WO2022117853A1 - Anhydrous solid composition comprising a combination of carboxylate and amphoteric or zwitterionic surfactants and silicones - Google Patents
Anhydrous solid composition comprising a combination of carboxylate and amphoteric or zwitterionic surfactants and silicones Download PDFInfo
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- WO2022117853A1 WO2022117853A1 PCT/EP2021/084237 EP2021084237W WO2022117853A1 WO 2022117853 A1 WO2022117853 A1 WO 2022117853A1 EP 2021084237 W EP2021084237 W EP 2021084237W WO 2022117853 A1 WO2022117853 A1 WO 2022117853A1
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- 239000008247 solid mixture Substances 0.000 title claims abstract description 90
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 66
- 239000002280 amphoteric surfactant Substances 0.000 title claims abstract description 15
- 239000002888 zwitterionic surfactant Substances 0.000 title claims abstract description 15
- 150000007942 carboxylates Chemical class 0.000 title claims description 27
- 102000011782 Keratins Human genes 0.000 claims abstract description 66
- 108010076876 Keratins Proteins 0.000 claims abstract description 66
- 238000004806 packaging method and process Methods 0.000 claims abstract description 50
- 210000004209 hair Anatomy 0.000 claims abstract description 28
- 239000002537 cosmetic Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 15
- 230000003750 conditioning effect Effects 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 185
- -1 alkaline-earth metal salts Chemical class 0.000 claims description 123
- 229920000642 polymer Polymers 0.000 claims description 83
- 125000004432 carbon atom Chemical group C* 0.000 claims description 78
- 125000000217 alkyl group Chemical group 0.000 claims description 62
- 150000003254 radicals Chemical class 0.000 claims description 47
- 239000003945 anionic surfactant Substances 0.000 claims description 45
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 44
- 150000001875 compounds Chemical class 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 229920002472 Starch Polymers 0.000 claims description 39
- 235000019698 starch Nutrition 0.000 claims description 39
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 34
- 229920002678 cellulose Polymers 0.000 claims description 28
- 229920013822 aminosilicone Polymers 0.000 claims description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 25
- 235000010980 cellulose Nutrition 0.000 claims description 24
- 239000004215 Carbon black (E152) Substances 0.000 claims description 22
- 229930195733 hydrocarbon Natural products 0.000 claims description 22
- 150000001450 anions Chemical class 0.000 claims description 20
- 229910052783 alkali metal Inorganic materials 0.000 claims description 19
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 19
- 244000007835 Cyamopsis tetragonoloba Species 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 18
- 150000002430 hydrocarbons Chemical class 0.000 claims description 18
- 150000001340 alkali metals Chemical class 0.000 claims description 17
- 229920006317 cationic polymer Polymers 0.000 claims description 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 17
- 229920006395 saturated elastomer Polymers 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 15
- 229910052708 sodium Inorganic materials 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 14
- 150000001412 amines Chemical class 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 14
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 14
- 150000004820 halides Chemical class 0.000 claims description 13
- 239000003960 organic solvent Substances 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 13
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 13
- 125000002252 acyl group Chemical group 0.000 claims description 12
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 12
- 229920001282 polysaccharide Polymers 0.000 claims description 12
- 239000005017 polysaccharide Substances 0.000 claims description 12
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 11
- 150000002500 ions Chemical class 0.000 claims description 11
- 125000002947 alkylene group Chemical group 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 10
- 229920000768 polyamine Polymers 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 9
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 8
- 150000001408 amides Chemical class 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229920001519 homopolymer Polymers 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229920005862 polyol Polymers 0.000 claims description 7
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical group C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 159000000003 magnesium salts Chemical class 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 150000003077 polyols Chemical class 0.000 claims description 6
- 125000000623 heterocyclic group Chemical group 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- 239000012766 organic filler Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 229920001281 polyalkylene Polymers 0.000 claims description 5
- 229920002148 Gellan gum Polymers 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 4
- 229920000615 alginic acid Polymers 0.000 claims description 4
- 235000010443 alginic acid Nutrition 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 125000004193 piperazinyl group Chemical group 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 229920000858 Cyclodextrin Polymers 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 229940097362 cyclodextrins Drugs 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- 125000005395 methacrylic acid group Chemical group 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 238000005956 quaternization reaction Methods 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical group C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 claims description 2
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 claims description 2
- QEVGZEDELICMKH-UHFFFAOYSA-N Diglycolic acid Chemical compound OC(=O)COCC(O)=O QEVGZEDELICMKH-UHFFFAOYSA-N 0.000 claims description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 125000002723 alicyclic group Chemical group 0.000 claims description 2
- 125000003282 alkyl amino group Chemical group 0.000 claims description 2
- 230000029936 alkylation Effects 0.000 claims description 2
- 238000005804 alkylation reaction Methods 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 125000004427 diamine group Chemical group 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 125000003827 glycol group Chemical group 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 150000004885 piperazines Chemical class 0.000 claims description 2
- 238000006068 polycondensation reaction Methods 0.000 claims description 2
- DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide Chemical compound NNC(N)=O DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 claims description 2
- 150000003457 sulfones Chemical class 0.000 claims description 2
- 150000003462 sulfoxides Chemical class 0.000 claims description 2
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims 1
- 125000002091 cationic group Chemical group 0.000 description 35
- 239000008107 starch Substances 0.000 description 21
- 229920002451 polyvinyl alcohol Polymers 0.000 description 19
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 19
- 239000004372 Polyvinyl alcohol Substances 0.000 description 18
- 125000000129 anionic group Chemical group 0.000 description 18
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 18
- 239000003921 oil Substances 0.000 description 17
- 235000019198 oils Nutrition 0.000 description 17
- 239000006260 foam Substances 0.000 description 16
- 239000000178 monomer Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 16
- 229910019142 PO4 Inorganic materials 0.000 description 15
- 239000004094 surface-active agent Substances 0.000 description 15
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 13
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 13
- 239000001913 cellulose Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 13
- 235000021317 phosphate Nutrition 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 12
- 229930182830 galactose Natural products 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 10
- 235000000346 sugar Nutrition 0.000 description 10
- 229920003169 water-soluble polymer Polymers 0.000 description 10
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 239000008103 glucose Substances 0.000 description 9
- 239000004745 nonwoven fabric Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 8
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 8
- 125000003342 alkenyl group Chemical group 0.000 description 8
- 125000003277 amino group Chemical group 0.000 description 8
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 8
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 8
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 8
- 239000010452 phosphate Substances 0.000 description 8
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 7
- IAJILQKETJEXLJ-QTBDOELSSA-N aldehydo-D-glucuronic acid Chemical compound O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O IAJILQKETJEXLJ-QTBDOELSSA-N 0.000 description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 7
- 229940097043 glucuronic acid Drugs 0.000 description 7
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 6
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- 241000282372 Panthera onca Species 0.000 description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 6
- 150000008051 alkyl sulfates Chemical class 0.000 description 6
- 150000003863 ammonium salts Chemical class 0.000 description 6
- 229920003086 cellulose ether Polymers 0.000 description 6
- 235000013804 distarch phosphate Nutrition 0.000 description 6
- 230000032050 esterification Effects 0.000 description 6
- 238000005886 esterification reaction Methods 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 6
- 150000002170 ethers Chemical class 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 150000004676 glycans Chemical class 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- 229920006294 polydialkylsiloxane Polymers 0.000 description 6
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 5
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 5
- 229920002907 Guar gum Polymers 0.000 description 5
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 5
- 240000003183 Manihot esculenta Species 0.000 description 5
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 5
- 150000008052 alkyl sulfonates Chemical class 0.000 description 5
- 239000003093 cationic surfactant Substances 0.000 description 5
- 239000001245 distarch phosphate Substances 0.000 description 5
- 235000010417 guar gum Nutrition 0.000 description 5
- 239000000665 guar gum Substances 0.000 description 5
- 229960002154 guar gum Drugs 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229940071826 hydroxyethyl cellulose Drugs 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 5
- 150000003335 secondary amines Chemical class 0.000 description 5
- 125000005208 trialkylammonium group Chemical group 0.000 description 5
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 description 4
- WZYRMLAWNVOIEX-MOJAZDJTSA-N (2s)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyacetaldehyde Chemical compound O=C[C@@H](O)[C@@H]1OC[C@H](O)[C@H]1O WZYRMLAWNVOIEX-MOJAZDJTSA-N 0.000 description 4
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 4
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- SHZGCJCMOBCMKK-JFNONXLTSA-N L-rhamnopyranose Chemical compound C[C@@H]1OC(O)[C@H](O)[C@H](O)[C@H]1O SHZGCJCMOBCMKK-JFNONXLTSA-N 0.000 description 4
- PNNNRSAQSRJVSB-UHFFFAOYSA-N L-rhamnose Natural products CC(O)C(O)C(O)C(O)C=O PNNNRSAQSRJVSB-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 4
- 229910006069 SO3H Inorganic materials 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
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- IAJILQKETJEXLJ-RSJOWCBRSA-N aldehydo-D-galacturonic acid Chemical compound O=C[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)C(O)=O IAJILQKETJEXLJ-RSJOWCBRSA-N 0.000 description 4
- 125000002877 alkyl aryl group Chemical group 0.000 description 4
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 4
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- YIOJGTBNHQAVBO-UHFFFAOYSA-N dimethyl-bis(prop-2-enyl)azanium Chemical class C=CC[N+](C)(C)CC=C YIOJGTBNHQAVBO-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
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- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 4
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 4
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 150000003141 primary amines Chemical class 0.000 description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 description 4
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- 239000002904 solvent Substances 0.000 description 4
- 150000003512 tertiary amines Chemical class 0.000 description 4
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 4
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 3
- OSCJHTSDLYVCQC-UHFFFAOYSA-N 2-ethylhexyl 4-[[4-[4-(tert-butylcarbamoyl)anilino]-6-[4-(2-ethylhexoxycarbonyl)anilino]-1,3,5-triazin-2-yl]amino]benzoate Chemical compound C1=CC(C(=O)OCC(CC)CCCC)=CC=C1NC1=NC(NC=2C=CC(=CC=2)C(=O)NC(C)(C)C)=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=N1 OSCJHTSDLYVCQC-UHFFFAOYSA-N 0.000 description 3
- 244000060011 Cocos nucifera Species 0.000 description 3
- 235000013162 Cocos nucifera Nutrition 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
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- 235000010494 karaya gum Nutrition 0.000 description 1
- 239000000231 karaya gum Substances 0.000 description 1
- 229940039371 karaya gum Drugs 0.000 description 1
- 150000002576 ketones Chemical group 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000252 konjac Substances 0.000 description 1
- 235000019823 konjac gum Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229960003646 lysine Drugs 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- VUQUOGPMUUJORT-UHFFFAOYSA-N methyl 4-methylbenzenesulfonate Chemical compound COS(=O)(=O)C1=CC=C(C)C=C1 VUQUOGPMUUJORT-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- MBABOKRGFJTBAE-UHFFFAOYSA-N methyl methanesulfonate Chemical compound COS(C)(=O)=O MBABOKRGFJTBAE-UHFFFAOYSA-N 0.000 description 1
- IZXGZAJMDLJLMF-UHFFFAOYSA-N methylaminomethanol Chemical class CNCO IZXGZAJMDLJLMF-UHFFFAOYSA-N 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 235000013807 monostarch phosphate Nutrition 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- QAVIDTFGPNJCCX-UHFFFAOYSA-N n'-(2-aminoethyl)ethane-1,2-diamine;2-(chloromethyl)oxirane;hexanedioic acid Chemical compound ClCC1CO1.NCCNCCN.OC(=O)CCCCC(O)=O QAVIDTFGPNJCCX-UHFFFAOYSA-N 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- OVHHHVAVHBHXAK-UHFFFAOYSA-N n,n-diethylprop-2-enamide Chemical compound CCN(CC)C(=O)C=C OVHHHVAVHBHXAK-UHFFFAOYSA-N 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- PNLUGRYDUHRLOF-UHFFFAOYSA-N n-ethenyl-n-methylacetamide Chemical compound C=CN(C)C(C)=O PNLUGRYDUHRLOF-UHFFFAOYSA-N 0.000 description 1
- OFESGEKAXKKFQT-UHFFFAOYSA-N n-ethenyl-n-methylformamide Chemical compound C=CN(C)C=O OFESGEKAXKKFQT-UHFFFAOYSA-N 0.000 description 1
- RQAKESSLMFZVMC-UHFFFAOYSA-N n-ethenylacetamide Chemical compound CC(=O)NC=C RQAKESSLMFZVMC-UHFFFAOYSA-N 0.000 description 1
- HBEXJDVFHJLGIV-UHFFFAOYSA-N n-ethyl-n-methylethanamine oxide Chemical compound CC[N+](C)([O-])CC HBEXJDVFHJLGIV-UHFFFAOYSA-N 0.000 description 1
- DYUWTXWIYMHBQS-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine Chemical compound C=CCNCC=C DYUWTXWIYMHBQS-UHFFFAOYSA-N 0.000 description 1
- ZBJVLWIYKOAYQH-UHFFFAOYSA-N naphthalen-2-yl 2-hydroxybenzoate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=C(C=CC=C2)C2=C1 ZBJVLWIYKOAYQH-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229960003104 ornithine Drugs 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 150000002924 oxiranes Chemical group 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 229940101267 panthenol Drugs 0.000 description 1
- 239000011619 pantothenol Substances 0.000 description 1
- 235000020957 pantothenol Nutrition 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- 229940067107 phenylethyl alcohol Drugs 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 229940107700 pyruvic acid Drugs 0.000 description 1
- NXLOLUFNDSBYTP-UHFFFAOYSA-N retene Chemical compound C1=CC=C2C3=CC=C(C(C)C)C=C3C=CC2=C1C NXLOLUFNDSBYTP-UHFFFAOYSA-N 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 229940043230 sarcosine Drugs 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000003724 sodium stearoyl-2-lactylate Substances 0.000 description 1
- 235000010956 sodium stearoyl-2-lactylate Nutrition 0.000 description 1
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 1
- 125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 235000001019 trigonella foenum-graecum Nutrition 0.000 description 1
- AIUAMYPYEUQVEM-UHFFFAOYSA-N trimethyl(2-prop-2-enoyloxyethyl)azanium Chemical compound C[N+](C)(C)CCOC(=O)C=C AIUAMYPYEUQVEM-UHFFFAOYSA-N 0.000 description 1
- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical group [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 description 1
- DGXNWWJYEMQHED-UHFFFAOYSA-N trimethyl-(4-methyl-3-oxopent-4-enyl)azanium Chemical compound CC(=C)C(=O)CC[N+](C)(C)C DGXNWWJYEMQHED-UHFFFAOYSA-N 0.000 description 1
- USFMMZYROHDWPJ-UHFFFAOYSA-N trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium Chemical compound CC(=C)C(=O)OCC[N+](C)(C)C USFMMZYROHDWPJ-UHFFFAOYSA-N 0.000 description 1
- VZTGWJFIMGVKSN-UHFFFAOYSA-O trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium Chemical compound CC(=C)C(=O)NCCC[N+](C)(C)C VZTGWJFIMGVKSN-UHFFFAOYSA-O 0.000 description 1
- UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 description 1
- LINXHFKHZLOLEI-UHFFFAOYSA-N trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane Chemical compound C[Si](C)(C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C1=CC=CC=C1 LINXHFKHZLOLEI-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical class OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0216—Solid or semisolid forms
- A61K8/022—Powders; Compacted Powders
- A61K8/0225—Granulated powders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
- A61K8/442—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof substituted by amido group(s)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
- A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/596—Mixtures of surface active compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
Definitions
- TITLE Anhydrous solid composition comprising a combination of carboxylate and amphoteric or zwitterionic surfactants and silicones
- the present invention relates to a solid composition intended in particular for washing and/or conditioning keratin fibres, notably human keratin fibres such as the hair, and which comprises a combination of carboxylate anionic and amphoteric or zwitterionic surfactants and silicones.
- the invention also relates to a packaging article containing said solid composition, and also to cosmetic processes for treating keratin fibres, in particular human keratin fibres such as the hair, using said solid composition or said packaging article.
- the invention also relates to the use of said solid composition or of said packaging article for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
- thickeners In order to modify the texture of these products, and notably to make it more compact, thickeners are generally used. However, the addition of these compounds usually comes at the expense of the cosmetic effects of the compositions. The use of these thicker compositions moreover necessitates a large amount of rinsing water in order to remove the surplus of product on the fibres. Now, in many countries where access to water is restricted, the rinsing time and consequently the amount of water required to properly rinse off the product are key indicators of the working qualities of a composition.
- novel solid cosmetic formulations notably shampoos in the form of solid granules or powder
- these novel formulations are not always entirely satisfactory.
- Those which are in loose powder form may, indeed, pose problems of volatility, uptake and/or measuring out.
- Those which are in the form of agglomerates, for instance granules may have a tendency to disintegrate or break down with difficulty in the presence of water and do not always make it possible to obtain a rapid start of foaming and/or a satisfactory abundance of foam, having a negative impact on their use and their spreading on keratin fibres. They may also be difficult to remove on rinsing and may occasionally even leave residues on the fibres, which the consumer finds unpleasant.
- formulations may also not be entirely satisfactory in terms of cosmetic performance qualities, notably in terms of suppleness, feel, softness, sheen and disentangling.
- compositions in solid form which has an improved environmental profile, i.e. which requires little water throughout its use.
- the composition must not only be easy to take up, break down easily and have good foaming properties, notably in terms of the start of foaming and the foam abundance and density, but must also rinse out quickly without leaving residues on the keratin fibres..
- composition must also have good detergent power while at the same time affording satisfactory cosmetic properties, notably in terms of suppleness, feel, softness, coverage, sheen and disentangling.
- a solid composition comprising an anionic surfactant of carboxylate type, an amphoteric or zwitterionic surfactant and silicones makes it possible to achieve the objectives presented above, and notably to propose a composition in solid form which combines good working qualities, good detergent power with improved foam properties, without, however, requiring large amounts of water.
- One subject of the present invention is a solid composition
- a solid composition comprising: i) one or more anionic surfactants of carboxylate type, ii) one or more amphoteric or zwitterionic surfactants, and iii) one or more silicones, the composition comprising a water content of less than 5% by weight, relative to the total weight of the composition.
- the particular combination of the compounds of the invention makes it possible to obtain a solid composition that is easy to take up, to handle and to measure out.
- the composition thus obtained has a cohesion or granulation such that the uptake and measuring-out properties are improved.
- the composition can then be packaged in single-dose form, which is a form that is particularly advantageous, for example, when travelling or performing a sporting activity (lightened bags, limited risks of leakage, reduced waste).
- this composition breaks down rapidly on contact with water and readily and quickly produces a firm, creamy and abundant foam, the quality of which is comparable to that of the foam obtained with a conventional liquid shampoo composition.
- This foam can then be easily and uniformly distributed on the keratin fibres.
- the composition of the invention rinses out rapidly without leaving unpleasant residues on the fibres and gives them a natural, clean feel after rinsing.
- Fibres treated with the composition of the invention also have good cosmetic properties, notably in terms of softness, suppleness and feel. They also have good strand separation and are thus easier to disentangle.
- a subject of the present invention is also a cosmetic treatment process, notably for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said keratin fibres of a solid composition as defined below, the solid composition being applied directly to said keratin fibres or after having been moistened beforehand with water.
- the present invention also relates to the use of a solid composition as defined below for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
- the present invention also relates to a packaging article comprising:
- an envelope defining at least one cavity, the envelope comprising one or more water-soluble and/or liposoluble compounds;
- This packaging article notably solves the problems of measuring out of the solid composition. It also facilitates its storage and transportation. In particular, the packaging article of the invention affords better protection of the composition against moisture.
- the packaging article may also make it possible to obtain a final keratin fibre washing and/or conditioning composition that is more thickened in the hand, which may be in cream form. It may also act as a foam booster. Specifically, the volume of foam obtained after dilution of the packaging article may be greater than the volume of foam obtained after dissolution of the solid composition alone.
- the invention also relates to the use of the above packaging article for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
- the invention also relates to a cosmetic treatment process, notably for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising a step of using at least one packaging article as defined above.
- said cosmetic treatment process comprises the following steps: i) mixing the packaging article in a composition that is capable of dissolving, totally or partially, the envelope of said packaging article, ii) applying the composition obtained in step i) to the keratin fibres, iii) optionally leaving to stand, iv) rinsing said keratin fibres, v) optionally drying said keratin fibres.
- the solid composition according to the present invention comprises a water content of less than 5% by weight, preferably less than 4% by weight, more preferably less than 3% by weight, relative to the total weight of the composition. Even more preferably, the solid composition according to the invention comprises a water content of 0% by weight, relative to the total weight of the composition.
- anhydrous composition Such a composition will be referred to as an “anhydrous composition” in the following description.
- the solid composition according to the present invention corresponds to an anhydrous solid composition in the following description.
- the composition does not comprise any water added during its preparation, the residual water that may be present possibly originating from the starting materials used during the preparation.
- the anhydrous solid composition according to the invention may be in powder, paste, particle (for example spherical particles such as small beads or granules), compressed tablet, stick or cake form.
- the composition according to the invention is in the form of a powder or of particles.
- binder means a composition in pulverulent form, which is preferably essentially free of dust (or fine particles).
- the particle size distribution of the particles is such that the weight content of particles which have a size of less than or equal to 50 pm (content of fines), preferably less than or equal to 45 pm (content of fines) is advantageously less than or equal to 5% by weight, preferably less than 3% by weight and more particularly less than 1% by weight, relative to the total weight of particles (particle size evaluated using a Retsch AS 200 Digit particle size analyser; oscillation height: 1.25 mm/screening time: 5 minutes).
- the term “paste” means a composition having a viscosity of greater than 5 poises (0.5 Pa.s) and preferably greater than 10 poises (1 Pa.s), measured at 25°C and at a shear rate of 1 s' 1 ; this viscosity possibly being determined using a cone-plate rheometer.
- particles means small fractionated objects formed from solid particles that are aggregated together, of variable shapes and sizes. They may be in regular or irregular form. They may in particular be in spherical form (such as granules, granulates or beads) or in square, rectangular or elongated form such as sticks. Spherical particles are most particularly preferred.
- the size of the powders or particles is, in its largest dimension, between 45 pm and 5 mm, preferably between 50 pm and 2 mm, more preferentially between 50 pm and 1 mm and even better still between 60 and 600 pm.
- the anhydrous solid composition according to the invention when it is not in powder or particle form, it advantageously has a penetration force at 25°C and 1 atm of greater than or equal to 200 g, preferably greater than or equal to 300 g, more preferentially greater than or equal to 400 g and better still greater than or equal to 500 g.
- the penetration force is determined by penetrometry.
- the texture analysis measurements are performed at 25°C using a Stable Micro Systems TA.XT Plus texturometer.
- the penetrometry experiments are performed with a metal rod equipped with a screwed end piece, said end piece being a P/2N needle of 2 mm for the top part, connected to the measuring head.
- the piston penetrates into the sample at a constant speed of 1 mm/s, to a depth of 5 mm.
- the force exerted on the piston is recorded and the mean value of the force is calculated.
- the anhydrous solid composition according to the invention may be in the form of a compressed anhydrous solid composition, notably compressed using a manual or mechanical press.
- the hardness of the compressed anhydrous solid composition is between 10 and 300 N, more preferentially between 15 and 200 N and better still between 15 and 100 N.
- the density of the anhydrous solid composition according to the present invention is preferably between 0.1 and 1, more preferentially between 0.2 and 0.8 and better still between 0.3 and 0.6.
- a given amount (mass, m) of powder is placed in a measuring cylinder.
- the measuring cylinder is then automatically tapped 2500 times.
- the anhydrous solid composition according to the present invention comprises one or more anionic surfactants of carboxylate type i).
- anionic surfactant of carboxylate type means an anionic surfactant including one or more carboxylic or carboxylate functions (-COOH or -COO”) and including no sulfonic or sulfonate function (-SO3H or -SCh”) and including no sulfate function.
- Surfactants of this kind may be advantageously chosen from acyllactates, N-acylglycinates, N-acylsarcosinates and N-acylglutamates, alkyl ether carboxylates, alkyl glucose carboxylates, alkyl glucoside tartrates, alkyl glucoside citrates, the acyl or alkyl groups including preferably from 8 to 30 carbon atoms, better still from 10 to 22 carbon atoms; and mixtures thereof; and also the unsalified forms of these compounds.
- the anionic surfactant(s) of carboxylate type may preferably be advantageously chosen from the compounds of formula (II):
- - W denotes an oxygen atom, a group (O-Glu-O)r-(COCH(Y2)- (C(OH)COOX)t)s or a group CO-NR3;
- - Y2 denotes a hydrogen atom or a hydroxyl group
- - R3 denotes a hydrogen atom or a methyl group
- - X denotes a hydrogen atom, an ammonium ion, an ion derived from an alkali metal or an alkaline-earth metal or an ion derived from an organic amine
- R denotes a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms;
- Glu denotes a divalent radical obtained from glucopyranose with removal of 2 hydroxyl groups
- - p is equal to 0 or 1;
- - n denotes an integer ranging from 0 to 50;
- - r denotes a number ranging from 1 to 10;
- - s is equal to 0 or 1;
- - 1 is equal to 0 or 1.
- anionic surfactant(s) of carboxylate type i) are preferably chosen from the compounds of formula (II) for which:
- R3 denotes a hydrogen atom or a methyl group
- - X denotes a hydrogen atom, an ammonium ion, an ion obtained from an alkali metal or alkaline-earth metal, or an ion obtained from an organic amine;
- R denotes a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms;
- - p is equal to 0 or 1, preferably 0;
- - n denotes an integer ranging from 0 to 50.
- anionic surfactant(s) of carboxylate type are chosen more preferentially from the compounds of formula (II) for which:
- the anionic surfactant(s) of carboxylate type may be employed in salified or unsalified form.
- salt it is possible in particular to use alkali metal salts, such as the sodium or potassium salt, ammonium salts, amine salts, amino alcohol salts, or alkaline-earth metal salts, for example the magnesium salt.
- Amino alcohol salts that may be mentioned include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2-methyl-l -propanol salts, 2-amino-2-methyl-l,3-propanediol salts and tri s(hydroxymethyl)aminom ethane salts.
- Alkali metal or alkaline-earth metal salts and in particular the sodium or magnesium salts are preferably used.
- the anionic surfactants of carboxylate type i) are preferentially chosen from N-acyl(Cs-C3o)glutamates, and especially stearoylglutamates, lauroylglutamates and cocoylglutamates; N-acyl(Cs-C3o)sarcosinates, and especially palmitoylsarcosinates, stearoyl sarcosinates, lauroylsarcosinates and cocoylsarcosinates; and mixtures thereof; especially in the form of alkali metal or alkaline-earth metal, ammonium, amine or amino alcohol salts.
- anionic surfactant(s) of carboxylate type i) are chosen from N-acyl(Cs-C3o)glutamates and mixtures thereof, especially in the form of alkali metal or alkaline-earth metal, ammonium, amine or amino alcohol salts, and mixtures thereof.
- the total content of the anionic surfactant(s) of carboxylate type i) present in the anhydrous solid composition according to the invention ranges preferably from 1% to 40% by weight, more preferentially from 2% to 35% by weight, more preferentially from 5% to 30% by weight, and even better still from 10% to 25% by weight, relative to the total weight of the composition.
- the anionic surfactant(s) of carboxylate type i) are preferably chosen from N-acyl(Cs-C3o)glutamates and mixtures thereof, and the total content of the N-acyl(Cs-C3o)glutamate(s) present in the anhydrous solid composition according to the invention ranges preferably from 1% to 40% by weight, more preferentially from 2% to 35% by weight, more preferentially from 5% to 30% by weight, and even better still from 10% to 25% by weight, relative to the total weight of the composition.
- the anhydrous solid composition according to the invention is free from anionic surfactant of sulfate type.
- anionic surfactant of sulfate type means surfactants including at least one group which is anionic or can be ionized to an anionic group, chosen from sulfate functions (-OSO3H or -OSCh").
- anionic surfactants are therefore preferably not present in the anhydrous solid composition according to the invention: alkyl sulfate, alkylamido sulfate, alkyl ether sulfate, alkylamido ether sulfate, alkylaryl ether sulfate and monoglyceride-sulfate salts.
- the term “free of’ means a composition which does not contain (0%) these anionic surfactants of sulfate type or which contains less than 0.1% by weight of such surfactants, relative to the total weight of the composition.
- the anhydrous solid composition according to the present invention also comprises one or more amphoteric or zwitterionic surfactants ii).
- amphoteric or zwitterionic surfactant(s), which are preferably non-silicone, used in the anhydrous solid composition according to the present invention may notably be derivatives of optionally quaternized secondary or tertiary aliphatic amines, in which derivatives the aliphatic group is a linear or branched chain including from 8 to 22 carbon atoms, said amine derivatives containing at least one anionic group, for instance a carboxylate, sulfonate, sulfate, phosphate or phosphonate group.
- Ra represents a C10 to C30 alkyl or alkenyl group derived from an acid RaCOOH preferably present in hydrolysed coconut kernel oil; preferably, Ra represents a heptyl, nonyl or undecyl group;
- - Rb represents a P-hydroxyethyl group
- - R c represents a carboxymethyl group
- - M represents a cationic counterion derived from an alkali metal or alkaline- earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine
- - X represents an organic or mineral anionic counterion, such as that chosen from halides, acetates, phosphates, nitrates, (Ci-C4)alkyl sulfates, (Ci-C4)alkyl- or (Ci- C4)alkylarylsulfonates, in particular methyl sulfate and ethyl sulfate; or alternatively M + and X" are absent;
- - B represents the group -CH2CH2OX’
- - X’ represents the group -CH2COOH, -CH2-COOZ’, -CH2CH2COOH or CH2CH2-COOZ’, or a hydrogen atom;
- - Y’ represents the group -COOH, -COOZ’ or -CH2CH(OH)SO3H or the group CH 2 CH(OH)SO 3 -Z’;
- - Z’ represents a cationic counterion derived from an alkali metal or alkaline- earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine;
- Ra - Ra’ represents a C10 to C30 alkyl or alkenyl group of an acid Ra -COOH which is preferably present in coconut kernel oil or in hydrolysed linseed oil, preferably Ra’ an alkyl group, notably a C17 group, and its iso form, or an unsaturated C17 group.
- cocoamphodiacetate sold by the company Rhodia under the trade name Miranol® C2M Concentrate.
- - Y represents the group -COOH, -COOZ” or -CH2-CH(OH)SO3H or the group CH 2 CH(OH)SO3-Z”;
- - Rd and Re independently of each other, represent a Ci to C4 alkyl or hydroxyalkyl radical;
- - Z’ ’ represents a cationic counterion derived from an alkali metal or alkaline- earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine;
- R a represents a C10 to C30 alkyl or alkenyl group of an acid Ra”-COOH which is preferably present in coconut kernel oil or in hydrolysed linseed oil;
- - n and n’ denote, independently of each other, an integer ranging from 1 to 3.
- (Cs-C2o)alkylbetaines such as cocoyl betaine (Cs- C2o)alkylamido(C3-Cs)alkylbetaines, such as cocamidopropylbetaine, (Cs- C2o)alkylamphoacetates, (Cs-C2o)alkylamphodiacetates and mixtures thereof; and preferably (Cs-C2o)alkylbetaines, (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof.
- amphoteric or zwitterionic surfactant(s) ii) are chosen from (Cs-C2o)alkylbetaines, (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof, and even better still from (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof.
- the total content of the amphoteric or zwitterionic surfactant(s) ii), present in the anhydrous solid composition according to the invention preferably ranges from 1% to 30% by weight, more preferentially from 2% to 25% by weight, and better still from 5% to 20% by weight, relative to the total weight of the composition.
- the total content of amphoteric or zwitterionic surfactant(s) chosen from (Cs-C2o)alkylbetaines, (Cs-C2o)alkylamido(C3- Cs)alkylbetaines and mixtures thereof ranges from 1% to 30% by weight, preferably from 2% to 25% by weight and more preferentially from 5% to 20% by weight relative to the total weight of the composition.
- the silicones Hi) The anhydrous solid composition according to the present invention also comprises one or more silicones iii).
- silicones that may be used in the invention are different from the cationic polymers vi) defined hereinbelow.
- the silicones which can be used may be soluble or insoluble in the composition according to the invention; they may be in the form of oil, wax, resin or gum; silicone oils and gums are preferred.
- the volatile silicones may be chosen from those with a boiling point of between 60°C and 260°C (at atmospheric pressure) and more particularly from: i) cyclic polydialkylsiloxanes including from 3 to 7 and preferably 4 to 5 silicon atoms, such as
- Volatile Silicone FZ 3109 sold by the company Union Carbide;
- cyclic silicones with silicon-based organic compounds such as the mixture of octamethylcyclotetrasiloxane and of tetratrimethylsilylpentaerythritol (50/50) and the mixture of octamethylcyclotetrasiloxane and of oxy-1,1’- bis(2, 2, 2’, 2’, 3, 3 ’-hexatrimethylsilyloxy )neopentane; ii) linear polydialkylsiloxanes containing 2 to 9 silicon atoms, which generally have a viscosity of less than or equal to 5* 10' 6 m 2 /s at 25°C, such as decamethyltetrasiloxane.
- non-volatile silicones mention may be made, alone or as a mixture, of polydialkylsiloxanes and notably polydimethylsiloxanes (PDMS), polydiarylsiloxanes, polyalkylarylsiloxanes, silicone gums and resins, and also organopolysiloxanes (or organomodified polysiloxanes, or alternatively organomodified silicones) which are polysiloxanes including in their structure one or more organofunctional groups, generally attached via a hydrocarbon-based group, and preferably chosen from aryl groups, amine groups, alkoxy groups and polyoxyethylene or polyoxypropylene groups.
- PDMS polydimethylsiloxanes
- organopolysiloxanes or organomodified polysiloxanes, or alternatively organomodified silicones
- the organomodified silicones may be polydiarylsiloxanes, notably polydiphenylsiloxanes, and polyalkylarylsiloxanes functionalized with the organofunctional groups mentioned previously.
- the polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes.
- organopolysiloxanes including:
- - polyoxyethylene and/or polyoxypropylene groups optionally including Ce- C24 alkyl groups, such as dimethicone copolyols, and notably those sold by the company Dow Corning under the name DC 1248 or the oils Silwet® L 722, L 7500, L 77 and L 711 from the company Union Carbide; or alternatively (C12)alkylmethicone copolyols, and notably those sold by the company Dow Corning under the name Q2- 5200;
- - alkoxylated groups such as the product sold under the name Silicone Copolymer F-755 by SWS Silicones and Abil Wax® 2428, 2434 and 2440 by the company Goldschmidt;
- - hydroxylated groups for instance polyorganosiloxanes bearing a hydroxyalkyl function;
- the silicones may also be chosen from polydialkylsiloxanes, among which mention may be made mainly of poly dimethyl siloxanes bearing trimethyl silyl end groups.
- polydialkylsiloxanes mention may be made of the following commercial products:
- oils of the 200 series from the company Dow Corning such as DC200 with a viscosity of 60 000 mm 2 /s;
- CTFA dimethiconol
- polydialkylsiloxanes In this category of polydialkylsiloxanes, mention may also be made of the products sold under the names Abil Wax® 9800 and 9801 by the company Goldschmidt, which are polydi(Ci-C2o)alkylsiloxanes.
- Products that may be used more particularly in accordance with the invention are mixtures such as:
- CTFA dimethiconol
- CFA cyclic poly dimethyl siloxane
- the polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes with a viscosity ranging from 1 * 10' 5 to 5* 10' 2 m 2 /s at 25°C.
- oils of the SF series from General Electric such as SF 1023, SF 1154, SF 1250 and SF 1265.
- the silicones that may be used may be amino silicones.
- amino silicone denotes any silicone including at least one primary, secondary or tertiary amine or a quaternary ammonium group.
- the weight-average molecular masses of these amino silicones may be measured by gel permeation chromatography (GPC) at room temperature (25°C), as polystyrene equivalent.
- the columns used are p styragel columns.
- the eluent is THF and the flow rate is 1 ml/min. 200 pl of a 0.5% by weight solution of silicone in THF are injected. Detection is performed by refractometry and UV-metry.
- the amino silicone(s) that may be used in the context of the invention are chosen from: a) the poly siloxanes corresponding to formula (A): in which x’ and y’ are integers such that the weight-average molecular weight (Mw) is between 5000 and 500 000 approximately; b) the amino silicones corresponding to formula (B):
- - G which may be identical or different, denotes a hydrogen atom or a group from among phenyl, OH, Ci-Cs alkyl, for example methyl, or Ci-Cs alkoxy, for example methoxy,
- - a which may be identical or different, denotes 0 or an integer from 1 to 3, in particular 0,
- - b denotes 0 or 1, in particular 1,
- n + m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10,
- - R which may be identical or different, denotes a monovalent radical of formula -CqH2qL in which q is a number ranging from 2 to 8 and L is an optionally quaternized amine group chosen from the following groups:
- R which may be identical or different, denotes hydrogen, phenyl, benzyl, or a saturated monovalent hydrocarbon-based radical, for example a C1-C20 alkyl radical
- Q denotes a linear or branched group of formula CrH2r, r being an integer ranging from 2 to 6, preferably from 2 to 4
- A" represents a cosmetically acceptable anion, notably a halide such as fluoride, chloride, bromide or iodide.
- the amino silicones are chosen from the amino silicones of formula (B).
- the amino silicones of formula (B) are chosen from the amino silicones corresponding to formulae (C), (D), (E), (F) and/or (G) below.
- amino silicones corresponding to formula (B) may be chosen from, alone or in a mixture:
- n + m and n are numbers such that the sum (n + m) ranges from 1 to 1000, in particular from 50 to 250 and more particularly from 100 to 200; n possibly denoting a number from 0 to 999, notably from 49 to 249 and more particularly from 125 to 175, and m possibly denoting a number from 1 to 1000, notably from 1 to 10 and more particularly from 1 to 5;
- the alkoxy radical is a methoxy radical.
- the hydroxy/alkoxy mole ratio preferably ranges from 0.2: 1 to 0.4: 1 and preferably from 0.25: 1 to 0.35: 1 and more particularly is equal to 0.3: 1.
- the weight-average molecular mass (Mw) of these silicones preferably ranges from 2000 to 1 000 000 and more particularly from 3500 to 200 000.
- - p and q are numbers such that the sum (p + q) ranges from 1 to 1000, in particular from 50 to 350 and more particularly from 150 to 250; p possibly denoting a number from 0 to 999, notably from 49 to 349 and more particularly from 159 to 239, and q possibly denoting a number from 1 to 1000, notably from 1 to 10 and more particularly from 1 to 5;
- Ri and R2 which are different, represent a hydroxyl or C1-C4 alkoxy radical, at least one of the radicals Ri or R2 denoting an alkoxy radical.
- the alkoxy radical is a methoxy radical.
- the hydroxy/alkoxy mole ratio generally ranges from 1 :0.8 to 1 : 1.1 and preferably from 1 :0.9 to 1 : 1 and more particularly is equal to 1 :0.95.
- the weight-average molecular mass (Mw) of the silicone preferably ranges from 2000 to 200 000, even more particularly from 5000 to 100 000 and more particularly from 10 000 to 50 000.
- the commercial products comprising silicones of structure (D) or (E) may include in their composition one or more other amino silicones the structure of which is different from formula (D) or (E).
- a product containing amino silicones of structure (D) is sold by the company Wacker under the name Belsil® ADM 652.
- a product containing amino silicones of structure (E) is sold by Wacker under the name Fluid WR 1300®.
- the oil- in-water emulsion may comprise one or more surfactants.
- the surfactants may be of any nature but are preferably cationic and/or nonionic.
- the number-average size of the silicone particles in the emulsion generally ranges from 3 nm to 500 nanometers.
- amino silicones of formula (E) use is made of microemulsions with a mean particle size ranging from 5 nm to 60 nanometres (limits included) and more particularly from 10 nm to 50 nanometres (limits included).
- n + m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10;
- A denotes a linear or branched alkylene radical containing from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably linear.
- the weight-average molecular mass (Mw) of these amino silicones preferably ranges from 2000 to 1 000 000 and even more particularly from 3500 to 200 000.
- a silicone corresponding to this formula is, for example, the Xiameter MEM 8299 Emulsion from Dow Corning.
- n + m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10;
- A denotes a linear or branched alkylene radical containing from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably branched.
- the weight-average molecular mass (Mw) of these amino silicones preferably ranges from 500 to 1 000 000 and even more particularly from 1000 to 200 000.
- a silicone corresponding to this formula is, for example, DC2-8566 Amino Fluid from Dow Coming; c) the amino silicones corresponding to formula (H): in which:
- R5 represents a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl or C2-C18 alkenyl radical, for example methyl;
- - R6 represents a divalent hydrocarbon-based radical, notably a Ci-Cis alkylene radical or a divalent Ci-Cis, for example Ci-Cs, alkyleneoxy radical linked to the Si via an SiC bond;
- - Q" is an anion such as a halide ion, notably chloride, or an organic acid salt, notably acetate;
- - r represents a mean statistical value ranging from 2 to 20 and in particular from 2 to 8;
- - s represents a mean statistical value ranging from 20 to 200 and in particular from 20 to 50.
- R7 which may be identical or different, represent a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl radical, a C2-C18 alkenyl radical or a ring comprising 5 or 6 carbon atoms, for example methyl;
- - R6 represents a divalent hydrocarbon-based radical, notably a Ci-Cis alkylene radical or a divalent Ci-Cis, for example Ci-Cs, alkyleneoxy radical linked to the Si via an SiC bond;
- R8 which may be identical or different, represent a hydrogen atom, a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl radical, a C2-C18 alkenyl radical or a radical -R6-NHCOR7;
- - X" is an anion such as a halide ion, notably chloride, or an organic acid salt, notably acetate;
- - r represents a mean statistical value ranging from 2 to 200 and in particular from 5 to 100.
- Rl R2, R3 and R4, which may be identical or different, denote a C1-C4 alkyl radical or a phenyl group,
- R5 denotes a C1-C4 alkyl radical or a hydroxyl group
- - n is an integer ranging from 1 to 5
- - m is an integer ranging from 1 to 5
- - x is chosen such that the amine number ranges from 0.01 to 1 meq/g; f) multiblock polyoxyalkylene amino silicones, of the type (AB)n, A being a polysiloxane block and B being a polyoxyalkylene block including at least one amine group.
- Said silicones are preferably formed from repeating units having the following general formulae:
- - a is an integer greater than or equal to 1, preferably ranging from 5 to 200 and more particularly ranging from 10 to 100;
- - b is an integer between 0 and 200, preferably ranging from 4 to 100 and more particularly between 5 and 30;
- - x is an integer ranging from 1 to 10 000 and more particularly from 10 to 5000;
- - R is a hydrogen atom or a methyl
- R which may be identical or different, represent a linear or branched divalent C2-C12 hydrocarbon-based radical, optionally including one or more heteroatoms such as oxygen; preferably, R denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical or a CH2CH2CH2OCH2CH(OH)CH2- radical; preferentially, R denotes a CH 2 CH2CH2OCH 2 CH(OH)CH2- radical;
- R’ which may be identical or different, represent a linear or branched divalent C2-C12 hydrocarbon-based radical, optionally including one or more heteroatoms such as oxygen; preferably, R’ denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical or a radical CH 2 CH2CH2OCH 2 CH(OH)CH2-; preferentially, R’ denotes -CH(CH 3 )-CH 2 -.
- the siloxane blocks preferably represent between 50 mol% and 95 mol% of the total weight of the silicone, more particularly from 70 mol% to 85 mol%.
- the amine content is preferably between 0.02 and 0.5 meq/g of copolymer in a 30% solution in dipropylene glycol, more particularly between 0.05 and 0.2.
- the weight-average molecular mass (Mw) of the silicone is preferably between 5000 and 1 000 000 and more particularly between 10 000 and 200 000.
- the amino silicones are chosen from the amino silicones of formula (A), (D), (E), (F), (G) and mixtures thereof.
- the silicones iii) are preferably chosen from the amino silicones, better still from the above amino silicones of formula (A), (D), (E), (F), (G) and mixtures thereof.
- the silicone(s) iii) are present in a total content ranging from 1% to 15% by weight, preferably from 0.5% to 10% by weight, more preferentially from 1% to 5% by weight, relative to the total weight of the composition.
- the amino silicones may be present in the composition in a total content ranging preferably from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, more preferentially from 1% to 5% by weight, relative to the total weight of the composition.
- the anhydrous solid composition according to the present invention may optionally further comprise one or more anionic surfactants iv), different from the anionic surfactants of carboxylate type i), which are preferably chosen from sulfonate surfactants.
- anionic surfactant of sulfonate type means an anionic surfactant comprising one or more sulfonic or sulfonate functions (-SO3H or -SCh”), possibly optionally comprising one or more carboxylic or carboxylate functions (-COOH or -COO”) and not comprising sulfate functions.
- Such surfactants may advantageously be chosen from alkyl sulfonates, alkylamidesulfonates, alkylarylsulfonates, alpha-olefinsulfonates, paraffinsulfonates, alkyl sulfosuccinates, alkylethersulfosuccinates, alkylamidesulfosuccinates, alkylsulfoacetates, sulfolaurates, N-acyltaurates, acylisethionates, and salts thereof and mixtures thereof;
- the alkyl groups of these compounds comprise in particular from 8 to 30 carbon atoms, preferably from 8 to 26, and more preferentially from 10 to 22 carbon atoms;
- the aryl group denotes preferably a phenyl or benzyl group; these compounds may be polyoxyalkylenated, especially polyoxyethylenated, and in that case comprise preferably from 1 to 50 ethylene oxide units, and more preferential
- the anionic surfactant(s) of sulfonate type are preferably chosen from N-acyltaurates, and especially N-acyl N-methyltaurates, acylisethionates and sulfolaurates such as disodium 2-sulfolaurate, and salts thereof and mixtures thereof.
- anionic surfactant(s) of sulfonate type may advantageously be chosen from the compounds of formula (I):
- - Ri represents a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms,
- - X represents an oxygen atom or an -N(CH3)- or -NH- group, preferably an oxygen atom
- R2 represents a linear or branched alkyl group comprising from 1 to 4 carbon atoms
- - M denotes a hydrogen atom, an ammonium ion, an ion obtained from an alkali metal or alkaline-earth metal, or an ion obtained from an organic amine.
- anionic surfactant(s) of sulfonate type may be employed in salified or unsalified form.
- salt it is possible to use in particular alkali metal salts, such as the sodium or potassium salts, ammonium salts, amine salts, the amino alcohol salts, and alkaline- earth metal salts, such as the magnesium salt.
- amino alcohol salts examples include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2- methyl-1 -propanol salts, 2-amino-2-methyl-l,3-propanediol salts and tris(hydroxymethyl)aminomethane salts.
- Alkali metal or alkaline-earth metal salts and in particular the sodium or magnesium salts are preferably used.
- the anionic surfactant(s) of sulfonate type iv) are preferably chosen from acylisethionates and mixtures thereof, and more preferentially from acyl(Cs-C3o)- isethionates and mixtures thereof, which are used in the form of salts, and even better still in the form of alkali metal or alkaline-earth metal salts, and especially of sodium or magnesium salts.
- acyl(Cs-C3o)isethionates include in particular cocylisethionates and lauroyl methyl isethionates, especially in the form of sodium salts.
- the solid composition according to the invention preferably comprises one or more anionic surfactants iv), different from the anionic surfactants of carboxylate type i), which are preferably chosen from sulfonate surfactants and preferentially one or more anionic surfactants of sulfonate type iv) chosen from acyl(Cs-C3o)isethionates and mixtures thereof.
- the anionic surfactant(s) of sulfonate type iv) are chosen from acyl(Cs-C3o)isethionates and mixtures thereof, and the total content of the acyl(Cs-C3o)isethionate(s) present in the anhydrous solid composition according to the invention ranges preferably from 1% to 30% by weight, more preferentially from 3% to 25% by weight and even better still from 5% to 20% by weight, or even from 8% to 16% by weight, relative to the total weight of the composition.
- the total content of the anionic surfactant(s), in other words in particular the total content of anionic surfactants of carboxylate type i) and of anionic surfactants iv), present in the anhydrous solid composition according to the invention is advantageously greater than or equal to 15% by weight, this content preferably ranging from 15% to 45% by weight, more preferentially from 20% to 40% by weight, and even better still from 25% to 35% by weight, relative to the total weight of the composition.
- the weight ratio (R) between the total content of surfactant(s) of carboxylate type i) and the total content of anionic surfactant(s) iv) present in the anhydrous solid composition of the invention is advantageously greater than or equal to 0.6, preferably greater than or equal to 0.7, more preferentially greater than or equal to 0.8, even better still greater than or equal to 1.0, or even strictly greater than 1.0, and even better still greater than or equal to 1.1.
- This weight ratio (R) preferably ranges from 0.6 to 5, more preferentially from 0.7 to 4.5, even better still from 0.8 to 4.0, even better still from 1.0 to 3.5, and even more preferentially from 1.1 to 3.0.
- the weight ratio (R) between the total content of surfactant(s) of carboxylate type i) and the total content of surfactant(s) of sulfonate type iv) present in the anhydrous solid composition of the invention is advantageously greater than or equal to 1, or even strictly greater than 1, this weight ratio (R) preferably ranging from 1 to 5, more preferentially from 1.5 to 3.5, and even better still from 2 to 3.
- the anhydrous solid composition according to the present invention may optionally also comprise one or more fillers v), which are different from the cationic polymers vi) defined hereinafter.
- filler refers to mineral or organic, polymeric or non-polymeric solid particles.
- the fillers according to the invention participate in the dissolution or breakdown of the anhydrous solid composition of the invention, in particular in the presence of water. They may also contribute towards improving the cosmetic performance qualities due to the other compounds present in the composition.
- the mineral fillers may be chosen from solid alkali metal or alkaline-earth metal salts, notably the sodium or calcium salts, in particular sodium or calcium halides, such as sodium chloride and calcium chloride; or else carbonates, notably of sodium or calcium, such as, for example, calcium carbonate and sodium bicarbonate . Mention may also be made of silicates, for instance mica or clays, notably kaolin.
- the non-polymeric organic fillers may be chosen from monosaccharides, for instance trehalose, sorbitol and mannitol.
- the polymeric organic fillers may be chosen from polysaccharides and mixtures thereof. Mention may be made in particular of cyclodextrins, starches, alginates, gellans, guar gums, celluloses and wood flours. Among the polymeric organic fillers, mention may also be made of crosslinked polyvinylpyrrolidones and polyacrylates (for example Aquakeep).
- the fillers v) according to the invention are chosen from polymeric organic fillers and mixtures thereof, preferably from cyclodextrins, starches, alginates, gellans, guar gums, celluloses, wood flours, crosslinked polyvinylpyrrolidones, polyacrylates and mixtures thereof, and more preferentially from starches and mixtures thereof.
- the composition according to the invention comprises one or more fillers v).
- the total content of the filler(s) v), when they are present in the anhydrous solid composition according to the invention, is preferably greater than or equal to 20% by weight, more preferentially greater than or equal to 30% by weight and better still greater than or equal to 35% by weight, relative to the total weight of the composition.
- the total content of the filler(s), when they are present in the anhydrous solid composition according to the invention ranges from 20% to 80% by weight, preferably from 30% to 70% by weight and more preferentially from 35% to 60% by weight relative to the total weight of the composition.
- the total content of the filler(s) v) chosen from starches, present in the anhydrous solid composition of the invention is preferably greater than or equal to 20% by weight, more preferentially greater than or equal to 30% by weight, better still greater than or equal to 35% by weight, relative to the total weight of the composition.
- the total content of the filler(s) v) chosen from starches, present in the anhydrous solid composition of the invention ranges from 20% to 80% by weight, preferably from 30% to 70% by weight and more preferentially from 35% to 60% by weight, relative to the total weight of the composition.
- the anhydrous solid composition according to the present invention may optionally also comprise one or more cationic polymers vi).
- the cationic polymers vi) are different from the silicones iii) and the fillers v) defined hereinabove.
- cationic polymer means any polymer comprising cationic groups and/or groups that may be ionized into cationic groups.
- the cationic polymer(s) are hydrophilic or amphiphilic.
- the cationic polymers are preferably not silicone-based (they do not comprise any Si-0 units).
- the preferred cationic polymers are chosen from those that contain units including primary, secondary, tertiary and/or quaternary amine groups that may either form part of the main polymer chain or may be borne by a side substituent directly connected thereto.
- the cationic polymers according to the invention do not comprise any anionic groups or any groups that can be ionized into anionic groups.
- the cationic polymers that may be used preferably have a weight-average molar mass (Mw) of between 500 and 5* 10 6 approximately and preferably between 10 3 and 3* 10 6 approximately.
- cationic polymers mention may be made more particularly of:
- - Rs which may be identical or different, denote a hydrogen atom or a CH3 radical
- - A which may be identical or different, represent a linear or branched divalent alkyl group of 1 to 6 carbon atoms, preferably 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms;
- R4, R5 and Re which may be identical or different, represent an alkyl group containing from 1 to 18 carbon atoms or a benzyl radical, and preferably an alkyl group containing from 1 to 6 carbon atoms;
- Ri and R2 which may be identical or different, represent a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms, preferably methyl or ethyl;
- the copolymers of the family (1) may also contain one or more units deriving from comonomers which may be chosen from the family of acrylamides, methacrylamides, diacetone acrylamides, acrylamides and methacrylamides substituted on the nitrogen with lower alkyls (C1-C4), acrylic acids or methacrylic acids or esters thereof, vinyllactams such as vinylpyrrohdone or vinylcaprolactam, and vinyl esters.
- - polymers preferably crosslinked polymers, of methacryloyloxy(Ci- C4)alkyltri(Ci-C4)alkylammonium salts, such as the polymers obtained by homopolymerization of dimethylaminoethyl methacrylate quaternized with methyl chloride, or by copolymerization of acrylamide with dimethylaminoethyl methacrylate quaternized with methyl chloride, the homo- or copolymerization being followed by crosslinking with an olefinically unsaturated compound, in particular methylenebisacrylamide.
- methacryloyloxy(Ci- C4)alkyltri(Ci-C4)alkylammonium salts such as the polymers obtained by homopolymerization of dimethylaminoethyl methacrylate quaternized with methyl chloride, or by copolymerization of acrylamide with dimethylaminoethyl methacrylate quaternized with methyl chlor
- Use may be made more particularly of a crosslinked acrylamide/methacryloyloxyethyltrimethylammonium chloride copolymer (20/80 by weight) in the form of a dispersion comprising 50% by weight of said copolymer in mineral oil.
- This dispersion is sold under the name Salcare® SC 92 by the company Ciba.
- Use may also be made of a crosslinked methacryloyloxyethyltrimethylammonium chloride homopolymer comprising approximately 50% by weight of the homopolymer in mineral oil or in a liquid ester. These dispersions are sold under the names Salcare® SC 95 and Salcare® SC 96 by the company Ciba.
- cationic polysaccharides notably cationic celluloses and galactomannan gums.
- cationic polysaccharides mention may be made more particularly of cellulose ether derivatives including quaternary ammonium groups, cationic cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer and cationic galactomannan gums.
- the cellulose ether derivatives including quaternary ammonium groups are notably described in FR 1 492 597, and mention may be made of the polymers sold under the name Ucare Polymer JR (JR 400 LT, JR 125 and JR 30M) or LR (LR 400 and LR 30M) by the company Amerchol. These polymers are also defined in the CTFA dictionary as quaternary ammoniums of hydroxy ethylcellulose that have reacted with an epoxide substituted with a trimethylammonium group.
- Cationic cellulose copolymers or cellulose derivatives grafted with a water- soluble quaternary ammonium monomer are described notably in patent US 4 131 576, and mention may be made of hydroxyalkyl celluloses, for instance hydroxymethyl, hydroxyethyl or hydroxypropyl celluloses notably grafted with a methacryloylethyltrimethylammonium, methacrylamidopropyltrimethylammonium or dimethyldiallylammonium salt.
- the commercial products corresponding to this definition are more particularly the products sold under the names Celquat L 200 and Celquat H 100 by the company National Starch.
- cationic associative celluloses which may be chosen from quaternized cellulose derivatives, and in particular quaternized celluloses modified with groups including at least one fatty chain, such as linear or branched alkyl groups, linear or branched arylalkyl groups, or linear or branched alkylaryl groups, preferably linear or branched alkyl groups, these groups including at least 8 carbon atoms, notably from 8 to 30 carbon atoms, better still from 10 to 24, or even from 10 to 14, carbon atoms; or mixtures thereof.
- groups including at least one fatty chain such as linear or branched alkyl groups, linear or branched arylalkyl groups, or linear or branched alkylaryl groups, preferably linear or branched alkyl groups, these groups including at least 8 carbon atoms, notably from 8 to 30 carbon atoms, better still from 10 to 24, or even from 10 to 14, carbon atoms; or mixtures thereof.
- quaternized hydroxyethylcelluloses modified with groups including at least one fatty chain, such as linear or branched alkyl groups, linear or branched arylalkyl groups, or linear or branched alkylaryl groups, preferably linear or branched alkyl groups, these groups including at least 8 carbon atoms, notably from 8 to 30 carbon atoms, better still from 10 to 24 or even from 10 to 14 carbon atoms; or mixtures thereof.
- groups including at least one fatty chain such as linear or branched alkyl groups, linear or branched arylalkyl groups, or linear or branched alkylaryl groups, preferably linear or branched alkyl groups, these groups including at least 8 carbon atoms, notably from 8 to 30 carbon atoms, better still from 10 to 24 or even from 10 to 14 carbon atoms; or mixtures thereof.
- Ra, Rb and Rc which may be identical or different, represent a hydrogen atom or a linear or branched Ci to C30 alkyl, preferably an alkyl, and Q" represents an anionic counterion such as a halide, for instance a chloride or bromide;
- R’ represents an ammonium group R’aR’bR’cN + -, Q” in which R’a, R’b and R’c, which may be identical or different, represent a hydrogen atom or a linear or branched Ci to C30 alkyl, preferably an alkyl, and Q” represents an anionic counterion such as a halide, for instance a chloride or bromide; it being understood that at least one of the radicals Ra, Rb, Rc, R’a, R’b and R’c represents a linear or branched Cs to C30 alkyl;
- x and y which may be identical or different, represent an integer between 1 and 10 000.
- At least one of the radicals Ra, Rb, Rc, R’a, R’b or R’c represents a linear or branched Cs to C30, better still C10 to C24 or even C10 to C14 alkyl; mention may be made in particular of the dodecyl radical (C12).
- the other radical(s) represent a linear or branched C1-C4 alkyl, notably methyl.
- radicals Ra, Rb, Rc, R’a, R’b or R’c represents a linear or branched Cs to C30, better still C10 to C24 or even C10 to C14 alkyl; mention may be made in particular of the dodecyl radical (C12).
- the other radicals represent a linear or branched Ci to C4 alkyl, notably methyl.
- R may be a group chosen from -N + (CH3)3, Q” and -N + (Ci2H25)(CH3)2, Q”, preferably a group -N + (CH3)3, Q” Even better still, R’ may be a group -N + (Ci2H25)(CH3)2, Q”
- the aryl radicals preferably denote phenyl, benzyl, naphthyl or anthryl groups.
- Crodacel QS® Stearyldimonium Chloride
- R represents a trimethylammonium halide
- R’ represents a dimethyldodecylammonium halide
- preferentially R represents trimethylammonium chloride (CH3)rN + -
- CT and R’ represents dimethyldodecylammonium chloride (CH3)2(Ci2H25)N + -, CT.
- This type of polymer is known under the INCI name Polyquatemium-67; as commercial products, mention may be made of the Softcat Polymer SL® polymers, such as SL-100, SL-60, SL-30 and SL-5, from the company Amerchol/Dow Chemical.
- the polymers of formula (lb) are, for example, those whose viscosity is between 2000 and 3000 cPs (2 Pa.s and 3 Pa.s) inclusive, preferentially between 2700 and 2800 cPs (2.7 Pa.s and 2.8 Pa.s).
- Softcat Polymer SL-5 has a viscosity of 2500 cPs (2.5 Pa.s)
- Softcat Polymer SL-30 has a viscosity of 2700 cPs (2.7 Pa.s)
- Softcat Polymer SL-60 has a viscosity of 2700 cPs (2.7 Pa.s)
- Softcat Polymer SL-100 has a viscosity of 2800 cPs (2.8 Pa.s).
- Use may also be made of Softcat Polymer SX-1300X with a viscosity of between 1000 and 2000 cPs (1 Pa.s and 2 Pa.s).
- guar gums comprising cationic trialkylammonium groups.
- Use is made, for example, of guar gums modified with a 2,3-epoxypropyltrimethylammonium salt (for example, a chloride).
- a 2,3-epoxypropyltrimethylammonium salt for example, a chloride.
- Such products are notably sold under the names Jaguar C13 S, Jaguar C 15, Jaguar C 17 and Jaguar Cl 62 by the company Rhodia.
- polyaminoamides prepared in particular by polycondensation of an acidic compound with a polyamine; these polyaminoamides can be crosslinked with an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a bis-unsaturated derivative, a bis-halohydrin, a bis-azetidinium, a bis- haloacyldiamine, a bis-alkyl halide or alternatively with an oligomer resulting from the reaction of a difunctional compound which is reactive with a bis-halohydrin, a bis- azetidinium, a bis-haloacyldiamine, a bis-alkyl halide, an epihalohydrin, a diepoxide or a bis-unsaturated derivative; the crosslinking agent being used in proportions ranging from 0.025 to 0.35 mol per amine group of the polyaminoamide; these polyaminoamide
- polyamino amide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation with difunctional agents Mention may be made, for example, of adipic acid/dialkylaminohydroxyalkyldialkylenetriamine polymers in which the alkyl radical includes from 1 to 4 carbon atoms and preferably denotes methyl, ethyl or propyl.
- alkyl radical includes from 1 to 4 carbon atoms and preferably denotes methyl, ethyl or propyl.
- these derivatives mention may be made more particularly of the adipic acid/dimethylaminohydroxypropyl/diethylenetriamine polymers sold under the name Cartaretine F, F4 or F8 by the company Sandoz.
- Polymers of this type are sold in particular under the name Hercosett 57 by the company Hercules Inc. or else under the name PD 170 or Delsette 101 by the company Hercules in the case of the adipic acid/epoxypropyl/diethylenetriamine copolymer.
- cyclopolymers of alkyldiallylamine or of dialkyldiallylammonium such as homopolymers or copolymers including, as main constituent of the chain, units corresponding to formula (VI) or (VII): in which formulae (VI) and (VII):
- R12 denotes a hydrogen atom or a methyl radical
- Rio and Rn independently of each other, denote an alkyl group containing from 1 to 6 carbon atoms, a hydroxyalkyl group in which the alkyl group contains 1 to 5 carbon atoms, a Ci to C4 amidoalkyl group; or alternatively Rio and R11 may denote, together with the nitrogen atom to which they are attached, heterocyclic groups such as piperidinyl or morpholinyl; Rio and R11, independently of each other, preferably denote an alkyl group containing from 1 to 4 carbon atoms; and
- - Y" is an anion such as bromide, chloride, acetate, borate, citrate, tartrate, bi sulfate, bisulfite, sulfate or phosphate.
- quaternary diammonium polymers comprising repeating units of formula: in which formula (VIII): - RB, RU, RB and Ri6, which may be identical or different, represent aliphatic, alicyclic or arylaliphatic radicals containing from 1 to 20 carbon atoms or lower hydroxyalkylaliphatic radicals, or alternatively RB, Ri4, Ri5 and Ri6, together or separately, constitute, with the nitrogen atoms to which they are attached, heterocycles optionally comprising a second non-nitrogen heteroatom, or alternatively RB, Ri4, RB and Ri6 represent a linear or branched Ci to Ce alkyl radical substituted with a nitrile, ester, acyl or amide group or a group -CO-O-R17-D or -CO-NH-R17-D where R17 is an alkylene and D is a quaternary ammonium group;
- - Ai and Bi represent divalent polymethylene groups comprising from 2 to 20 carbon atoms which may be linear or branched, and saturated or unsaturated, and which may contain, linked to or inserted in the main chain, one or more aromatic rings, or one or more oxygen or sulfur atoms or sulfoxide, sulfone, disulfide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups; and
- - X denotes an anion derived from a mineral or organic acid; it being understood that Ai, RB and R15 can form, with the two nitrogen atoms to which they are attached, a piperazine ring; in addition, if Ai denotes a linear or branched, saturated or unsaturated alkylene or hydroxyalkylene radical, Bi can also denote a group (CH2)nCO-D-OC- (CH2)n- in which D denotes: a) a glycol residue of formula -O-Z-O-, in which Z denotes a linear or branched hydrocarbon-based radical or a group corresponding to one of the following formulae: -(CH 2 -CH2-O)x-CH2-CH 2 - and -[CH2CH(CH 3 )-O] y -CH2-CH(CH 3 )-, where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing an average
- X is an anion, such as chloride or bromide.
- Mn number-average molar mass
- Ris, R19, R20 and R21 which may be identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, P-hydroxyethyl, P-hydroxypropyl or -CH2CH2(OCH2CH2) P OH radical, where p is equal to 0 or to an integer of between 1 and 6, with the proviso that Ris, R19, R20 and R21 do not simultaneously represent a hydrogen atom,
- - r and s which may be identical or different, are integers between 1 and 6,
- - X denotes an anion, such as a halide
- - A denotes a dihalide radical or preferably represents -CH2-CH2-O-CH2- CH2-.
- Examples that may be mentioned include the products Mirapol® A 15, Mirapol® ADI, Mirapol® AZ1 and Mirapol® 175 sold by the company Miranol.
- polyamines such as Polyquart® H sold by Cognis, which is referenced under the name Polyethylene Glycol (15) Tallow Polyamine in the CTFA dictionary.
- these polymers may be notably chosen from homopolymers or copolymers including one or more units derived from vinylamine and optionally one or more units derived from vinylformamide.
- these cationic polymers are chosen from polymers including, in their structure, from 5 mol% to 100 mol% of units corresponding to formula (A) and from 0 to 95 mol% of units corresponding to formula (B), preferentially from 10 mol% to 100 mol% of units corresponding to formula (A) and from 0 to 90 mol% of units corresponding to formula (B).
- These polymers may be obtained, for example, by partial hydrolysis of polyvinylformamide. This hydrolysis may take place in acidic or basic medium.
- the weight-average molecular mass of said polymer measured by light scattering, may range from 1000 to 3 000 000 g/mol, preferably from 10 000 to 1 000 000 and more particularly from 100 000 to 500 000 g/mol.
- the cationic charge density of these polymers may range from 2 meq/g to 20 meq/g, preferably from 2.5 to 15 meq/g and more particularly from 3.5 to 10 meq/g.
- the polymers including units of formula (A) and optionally units of formula (B) are notably sold under the name Lupamin by the company BASF, for instance, in a non-limiting manner, the products sold under the names Lupamin 9095, Lupamin 5095, Lupamin 1095, Lupamin 9030 (or Luviquat 9030) and Lupamin 9010.
- the cationic polymer(s) vi) are chosen from cationic polysaccharides (family (2)) and mixtures thereof, more preferentially from cationic galactomannan gums and mixtures thereof, and better still cationic guar gums, and mixtures thereof.
- the total content of the cationic polymer(s) vi), when they are present in the anhydrous solid composition according to the invention, is preferably greater than or equal to 0.05% by weight, more preferentially ranges from 0.05% to 5% by weight, better still from 0.1% to 2% by weight, and even more preferentially from 0.2% to 1.5% by weight, relative to the total weight of the composition.
- the total content of the cationic polysaccharide(s), when they are present in the anhydrous solid composition according to the invention is preferably greater than or equal to 0.05% by weight, more preferentially ranges from 0.05% to 5% by weight, better still from 0.1% to 2% by weight, or even from 0.2% to 1.5% by weight, relative to the total weight of the composition.
- the anhydrous solid composition according to the present invention may optionally also comprise one or more organic solvents vii).
- the organic solvent(s) are chosen from linear or branched monoalcohols containing from 1 to 8 carbon atoms, and more preferentially from 1 to 4 carbon atoms, polyols, polyethylene glycols, aromatic alcohols, and mixtures thereof.
- organic solvents that may be used according to the invention, mention may notably be made of ethanol, propanol, butanol, isopropanol, isobutanol, propylene glycol, dipropylene glycol, isoprene glycol, butylene glycol, glycerol, benzyl alcohol and phenoxyethanol, and mixtures thereof.
- the organic solvent(s) that may be used according to the invention may be chosen from linear or branched monoalcohols containing from 1 to 4 carbon atoms, and mixtures thereof, preferably from ethanol, propanol, butanol, isopropanol, isobutanol, and mixtures thereof.
- the organic solvent(s) vii) are preferably chosen from polyols and mixtures thereof, and more preferentially from glycerol, propylene glycol, and mixtures thereof.
- the anhydrous solid composition comprises one or more organic solvents, preferably one or more polyols.
- the total content of the organic solvent(s) vii), when they are present in the anhydrous solid composition according to the invention, is preferably less than or equal to 20% by weight, more preferentially less than or equal to 15% by weight, and better still from 0.5% to 12% by weight, relative to the total weight of the composition.
- the anhydrous solid composition according to the present invention may optionally comprise one or more cationic surfactants viii).
- cationic surfactant means a surfactant that is positively charged when it is contained in the compositions according to the invention. This surfactant may bear one or more positive permanent charges or may contain one or more cationizable functions within the compositions according to the invention.
- the cationic surfactants are advantageously chosen from optionally polyoxyalkylenated primary, secondary or tertiary fatty amine salts, quaternary ammonium salts, and mixtures thereof.
- the groups Rs to Rn which may be identical or different, represent a linear or branched aliphatic group including from 1 to 30 carbon atoms, or an aromatic group such as aryl or alkylaryl, at least one of the groups Rs to Rn including from 8 to 30 and preferably from 12 to 24 carbon atoms, it being possible for the aliphatic groups to include heteroatoms notably such as oxygen, nitrogen, sulfur and halogens; and
- X" is an anion notably chosen from the group of halides, phosphates, acetates, lactates, (Ci-C4)alkyl sulfates, (Ci-C4)alkylsulfonates or (Ci-C4)alkylarylsulfonates.
- the aliphatic groups Rs to Rn may be chosen from C1-C30 alkyl, C1-C30 alkoxy, (C2-C6) polyoxyalkylene, C1-C30 alkylamide, (Ci2-C22)alkylamido(C2- Ce)alkyl, (Ci2-C22)alkyl acetate, and C1-C30 hydroxyalkyl groups.
- tetraalkylammonium halides notably chlorides, such as dialkyldimethylammonium or alkyltrimethylammonium chlorides in which the alkyl group includes from 12 to 22 carbon atoms, in particular behenyltrimethylammonium chloride, distearyldimethylammonium chloride, cetyltrimethylammonium chloride and benzyldimethylstearylammonium chloride.
- R12 represents an alkenyl or alkyl group including from 8 to 30 carbon atoms, for example tallow fatty acid derivatives
- R13 represents a hydrogen atom, a C1-C4 alkyl group or an alkenyl or alkyl group including from 8 to 30 carbon atoms;
- R14 represents a C1-C4 alkyl group
- R15 represents a hydrogen atom or a C1-C4 alkyl group
- X" is an anion notably chosen from the group of halides, phosphates, acetates, lactates, (Ci-C4)alkyl sulfates, (Ci-C4)alkylsulfonates or (Ci-C4)alkylarylsulfonates.
- R12 and R13 denote a mixture of alkenyl or alkyl groups including from 12 to 21 carbon atoms, for example tallow fatty acid derivatives, R14 denotes a methyl group and R15 denotes a hydrogen atom.
- R12 and R13 denote a mixture of alkenyl or alkyl groups including from 12 to 21 carbon atoms, for example tallow fatty acid derivatives
- R14 denotes a methyl group
- R15 denotes a hydrogen atom.
- Such a product is sold, for example, under the name Rewoquat® W75 or W90 by the company Evonik.
- R16 denotes an alkyl group including from 16 to 30 carbon atoms, which is optionally hydroxylated and/or optionally interrupted with one or more oxygen atoms,
- R17 denotes hydrogen, an alkyl group including from 1 to 4 carbon atoms or a group -(CH2)3-N + (Ri6a)(Ri7a)(Ris a ), Ri6a, Ri7a and Risa, which may be identical or different, denoting hydrogen or an alkyl group including from 1 to 4 carbon atoms,
- R18, R19, R20 and R21 which may be identical or different, denote hydrogen or an alkyl group including from 1 to 4 carbon atoms, and
- - X" is an anion, chosen notably from the group of halides, acetates, phosphates, nitrates, (Cl-C4)alkyl sulfates, (Cl-C4)alkyl sulfonates and (Cl- C4)alkylarylsulfonates, in particular methyl sulfate and ethyl sulfate.
- Such compounds are, for example, Finquat CT-P (Quatemium 89) and
- R22 is chosen from Ci-Ce alkyl and Ci-Ce hydroxyalkyl or dihydroxyalkyl groups;
- R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C7-C21 hydrocarbon-based groups;
- - r, s and t which may be identical or different, are integers ranging from 2 to 6,
- - y is an integer ranging from 1 to 10,
- - x and z which may be identical or different, are integers ranging from 0 to 10,
- the alkyl groups R22 may be linear or branched, preferably linear.
- R22 denotes a methyl, ethyl, hydroxyethyl or dihydroxypropyl group, and more particularly a methyl or ethyl group.
- the sum x + y + z is from 1 to 10.
- R23 is a hydrocarbon-based group R27, it may comprise from 12 to 22 carbon atoms, or else may comprise from 1 to 3 carbon atoms.
- R25 is a hydrocarbon-based group R29, it preferably contains 1 to 3 carbon atoms.
- R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C11-C21 hydrocarbon-based groups, and more particularly from linear or branched C11-C21 alkyl and alkenyl groups.
- x and z which may be identical or different, are equal to 0 or 1.
- y is equal to 1.
- r, s and t which may be identical or different, are equal to 2 or 3, and even more particularly are equal to 2.
- the anion X- is preferably a halide, preferably chloride, bromide or iodide, a (Ci-C4)alkyl sulfate, a (Ci-C4)alkylsulfonate or a (Ci-C4)alkylarylsulfonate, a methanesulfonate, a phosphate, a nitrate, a tosylate, an anion derived from organic acid such as an acetate or a lactate or any other anion that is compatible with the ammonium bearing an ester function.
- the anion X- is more particularly a chloride, a methyl sulfate or an ethyl sulfate.
- R22 denotes a methyl or ethyl group
- R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C13-C17 hydrocarbon-based groups, and preferably from linear or branched, saturated or unsaturated C13-C17 alkyl and alkenyl groups.
- the hydrocarbon-based groups are linear.
- acyl groups preferably contain 14 to 18 carbon atoms and are derived more particularly from a plant oil such as palm oil or sunflower oil. When the compound contains several acyl groups, these groups may be identical or different.
- This esterification may be followed by quaternization by means of an alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
- alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
- an alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sul
- composition according to the invention may contain, for example, a mixture of quaternary ammonium monoester, diester and triester salts with a weight majority of diester salts.
- Use may also be made of the ammonium salts containing at least one ester function that are described in patents US-A-4 874 554 and US-A-4 137 180.
- Use may also be made of the behenoylhydroxypropyltrimethylammonium chloride sold, for example, by the company Kao under the name Quartamin BTC 131.
- the ammonium salts containing at least one ester function contain two ester functions.
- the cationic surfactant(s) viii) are present in a total content ranging from 0.01% to 5% by weight, preferably from 0.05% to 3% by weight and preferentially from 0.1% to 2% by weight, relative to the total weight of the composition.
- the total content of surfactants present in the anhydrous solid composition according to the invention is preferably less than or equal to 60% by weight, more preferentially this total content ranges from 20% to 55% by weight, better still from 30% to 50% by weight and even better still from 35% to 45% by weight, relative to the total weight of the composition.
- the anhydrous solid composition according to the present invention may also optionally comprise one or more additives, other than the compounds of the invention and among which mention may be made of anionic surfactants different from the anionic surfactants of the invention, nonionic surfactants, and mixtures thereof, anionic, nonionic or amphoteric polymers or mixtures thereof, antidandruff agents, anti-seborrhoea agents, vitamins and provitamins including panthenol, sunscreens, sequestrants, plasticizers, solubilizers, acidifying agents, alkaline agents, mineral or organic thickeners, notably polymeric thickeners, antioxidants, hydroxy acids, fragrances and preserving agents.
- anionic surfactants different from the anionic surfactants of the invention, nonionic surfactants, and mixtures thereof, anionic, nonionic or amphoteric polymers or mixtures thereof, antidandruff agents, anti-seborrhoea agents, vitamins and provitamins including panthenol, sunscreen
- the above additives may generally be present in an amount, for each of them, of between 0 and 20% by weight relative to the total weight of the composition.
- a subject of the present invention is also a cosmetic treatment process, notably for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said keratin fibres of an anhydrous solid composition as defined above, the anhydrous solid composition being applied directly to said keratin fibres or after having been moistened beforehand with water.
- the anhydrous solid composition according to the invention may be applied to dry or wet keratin fibres, preferably to wet keratin fibres.
- the anhydrous solid composition thus applied may optionally be rinsed off or left on, after an optional leave-on time that may range from 1 to 15 minutes, preferably from 2 to 10 minutes.
- the anhydrous solid composition is rinsed off after application.
- the anhydrous solid composition is applied directly to the keratin fibres, i.e. without being moistened and/or broken down in water beforehand.
- the anhydrous solid composition of the invention is applied directly (i.e. without being moistened or broken down beforehand) to the dry keratin fibres, water may optionally be added to said fibres in order subsequently to rub/massage so as to dissolve/pre-emulsify said composition and to form an immediate abundant foam.
- the foam thus obtained can subsequently be rinsed out after an optional leave-on time.
- anhydrous solid composition of the invention may also be applied directly (i.e. without moistening or breaking down beforehand) to the wet keratin fibres, followed by massaging/rubbing to break down the particles and to obtain an immediate abundant foam.
- the foam thus obtained can subsequently be rinsed out after an optional leave-on time.
- the anhydrous solid composition is moistened and/or broken down beforehand in water before being applied to the keratin fibres.
- a small amount (preferably ranging from 1 to 3 g) of anhydrous solid composition is advantageously taken up and dissolved with water, for example in the hand, so as to form an immediate abundant foam.
- the foam thus obtained may then be applied to the wet or dry keratin fibres, before being optionally rinsed out with water after an optional leave-on time.
- the present invention also relates to the use of an anhydrous solid composition as defined above for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
- the present invention also relates to a packaging article, preferably a cosmetic packaging article, comprising:
- an envelope defining at least one cavity, the envelope comprising one or more water-soluble and/or liposoluble compounds;
- anhydrous solid composition as defined above; it being understood that the anhydrous solid composition is in one of the cavities defined by the envelope.
- cosmetic packaging article means an article that is suitable for cosmetic use; in particular for use of the packaging article on keratin fibres, notably the hair, and/or on the scalp.
- the packaging article makes it possible to wash and/or condition the keratin fibres, in particular human keratin fibres such as the hair.
- the packaging article according to the invention is water-soluble or liposoluble at a temperature of less than or equal to 35°C.
- the envelope of the packaging article according to the invention is water-soluble at a temperature of less than or equal to 35°C.
- water-soluble means soluble in water, in particular in a proportion of at least 10 grams per liter of water, preferably at least 20 g/1, better still at least 50 g/1, at a temperature of less than or equal to 35°C.
- water preferably having a temperature of less than 35°C is added to the packaging article, the envelope dissolves and releases the anhydrous solid composition present in one of the cavities of the envelope.
- liposoluble means soluble in a liquid fatty substance as defined below, in particular in a proportion of at least 10 grams per liter of liquid fatty substance, in particular in a plant or mineral oil such as liquid petroleum jelly, preferably at least 20 g/1 in a liquid fatty substance, better still at least 50 g/1 in a fatty substance, at a temperature of less than or equal to 35°C.
- temperature of less than or equal to 35°C means a temperature not exceeding 35°C but greater than or equal to 0°C, for example ranging from more than 1 to 35°C, preferably from 5 to 30°C, more preferentially from 10 to 30°C and better still from 15 to 25°C. It is understood that all the temperatures are given at atmospheric pressure (1 atm).
- the packaging article may comprise one or more cavities, at least one of which contains the anhydrous solid composition as defined previously.
- the packaging article comprises only one cavity in which the anhydrous solid composition is contained.
- the envelope represents from 0.5% to 20% by weight, preferably from 1% to 15% by weight, more preferentially from 2% to 10% by weight and better still from 4% to 8% by weight relative to the total weight of the packaging article.
- the anhydrous solid composition as defined previously represents from 80% to 99.5% by weight, preferably from 85% to 99% by weight, more preferentially from 90% to 98% by weight and better still from 92% to 96% by weight relative to the total weight of the packaging article.
- the weight ratio between the total weight of the anhydrous solid composition of the invention and the total weight of the envelope advantageously ranges from 80/20 to 99/1, preferably from 85/15 to 98/2 and more preferentially from 90/10 to 97/3.
- the envelope of the packaging article comprises one or more water-soluble and/or liposoluble compounds, preferably one or more water-soluble compounds advantageously chosen from water-soluble polymers and mixtures thereof.
- the water-soluble polymer(s) that may be used according to the present invention contain water-soluble units in their backbones.
- the water-soluble units are obtained from one or more water-soluble monomers.
- water-soluble monomer means a monomer whose solubility in water is greater than or equal to 1%, preferably greater than or equal to 5%, at 25°C and at atmospheric pressure (760 mmHg).
- Said water-soluble polymer(s) that are capable of forming the envelope are advantageously obtained from water-soluble monomers including at least one double bond.
- These monomers may be chosen from cationic, anionic and nonionic monomers, and mixtures thereof.
- water-soluble monomers that may be used as precursors for the water- soluble units, alone or as a mixture, examples that may be mentioned include the following monomers, which may be in free or salified form:
- N-vinyllactams including a cyclic alkyl group containing from 4 to 9 carbon atoms, such as N-vinylpyrrolidone, N-butyrolactam and N-vinylcaprolactam,
- DMAEMA dimethylaminomethyl methacrylate
- - R is chosen from H, (Ci-Ce)alkyl such as methyl, ethyl and propyl, and
- R’ is a linear or branched, saturated or unsaturated hydrocarbon-based radical containing from 1 to 6 carbons, optionally substituted with at least one halogen (iodine, bromine, chlorine or fluorine); a group from among sulfonic (-SOs"), sulfate (SO ), phosphate (-PO4H2); hydroxyl (-OH); primary amine (-NH2); secondary amine (NHRe), tertiary amine (-NReR?) or quaternary amine (-NPReRvRs) with Re, R7 and Rs being, independently of each other, a linear or branched, saturated or unsaturated hydrocarbon-based radical containing 1 to 6 carbon atoms, with the proviso that the sum of the carbon atoms of R’ + Re + R7 + Rs does not exceed 6;
- R’ and R are, independently of each other, linear or branched, saturated or unsaturated hydrocarbonbased radicals containing from 1 to 6 carbons, with the proviso that the total number of carbon atoms of R’ + R” does not exceed 6, said radicals R’ and R” being optionally substituted with a halogen (iodine, bromine, chlorine or fluorine); a group from among hydroxyl (-OH); sulfonic (-SO3-), sulfate (SO ), phosphate (-PO4H2); primary amine (-NH2); secondary amine (NHRe), tertiary amine (-NReR?) and/or quaternary amine (- N + ReR?Rs) with Re, R7 and Rs being, independently of each other, a linear or branched, saturated or unsaturated hydrocarbon-based radical containing 1 to 6 carbon atoms, with the proviso that the sum
- Anionic monomers that may notably be mentioned include (meth)acrylic acid, acrylamido-2-methylpropanesulfonic acid, itaconic acid and the salts thereof with an alkali metal, an alkaline-earth metal or ammonium or those derived from an organic amine such as an alkanolamine.
- the cationic monomers are preferably chosen from quaternary ammonium salts derived from a diallylamine, and those corresponding to the following formula:
- H2C C(R1)-D-N + R 2 R 3 R4, X- in which:
- Ri represents a hydrogen atom or a methyl group
- R 2 and R 3 which may be identical or different, represent a hydrogen atom or a linear or branched Ci to C4 alkyl group,
- R4 represents a hydrogen atom, a linear or branched C1-C4 alkyl group or an aryl group,
- D represents the following divalent unit: -(Y)n-(A)- in which:
- - Y represents an amide function, an ester (O-C(O) or C(O)-O), a urethane or a urea,
- - A represents a linear or branched, cyclic or acyclic Ci to Cio alkylene group, which may be substituted or interrupted with a divalent aromatic or heteroaromatic group.
- the alkylene groups may be interrupted with an oxygen atom, a nitrogen atom, a sulfur atom or a phosphorus atom; the alkylene possibly being interrupted with a ketone function, an amide, an ester (O-C(O) or C(O)-O), a urethane or a urea,
- - n is an integer ranging from 0 to 1
- X represents an anionic counterion, for instance a chloride or a sulfate.
- water-soluble cationic monomers examples include the following compounds, and also the salts thereof: dimethylaminoethyl (meth)acrylate, (meth)acryloyloxyethyltrimethylammonium (meth)acrylate, (meth)acryloyloxyethyldimethylbenzylammonium (meth)acrylate, N-
- the water-soluble polymers that are capable of forming the envelope of the packaging article may also be chosen from water-soluble polymers derived from natural products, such as polysaccharides, i.e. polymers bearing sugar units. These water-soluble polymers are different from the cationic polysaccharide(s) (v) present in the anhydrous solid composition.
- sugar unit means a unit derived from a carbohydrate of formula Cn(H2O)n-i or (CH2O)n, which may be optionally modified by substitution and/or by oxidation and/or by dehydration.
- the sugar units that may be included in the composition of the polymers of the invention are preferably derived from the following sugars: glucose, galactose, arabinose, rhamnose, mannose, xylose, fucose, fructose, anhydrogalactose, galacturonic acid, glucuronic acid, mannuronic acid, galactose sulfate, anhydrogalactose sulfate.
- the polymers bearing sugar unit(s) according to the invention may be of natural or synthetic origin. They may be nonionic, anionic, cationic or amphoteric.
- the base units of the polymers bearing a sugar unit of the invention may be monosaccharides or disaccharides.
- polymers that may be used, mention may notably be made of the following native gums, and also derivatives thereof: a) tree or shrub exudates, including:
- acacia gum branched polymer of galactose, arabinose, rhamnose and glucuronic acid
- - ghatti gum polymer derived from arabinose, galactose, mannose, xylose and glucuronic acid
- karaya gum polymer derived from galacturonic acid, galactose, rhamnose and glucuronic acid
- gum tragacanth (or tragacanth) (polymer of galacturonic acid, galactose, fucose, xylose and arabinose); b) gums derived from algae, including:
- - alginates polymers of mannuronic acid and of glucuronic acid
- - carrageenans and furcellerans polymers of galactose sulfate and of anhydrogalactose sulfate
- c) gums derived from seeds or tubers including:
- locust bean gum polymer of mannose and galactose
- glucomannan which is a polysaccharide of high molecular weight (500 000 ⁇ Mgiucomannan ⁇ 2 000 000) composed of D-mannose and D-glucose units with a branch every 50 or 60 units approximately;
- microbial gums including:
- - xanthan gum polymer of glucose, mannose acetate, mannose/pyruvic acid and glucuronic acid
- - gellan gum polymer of partially acylated glucose, rhamnose and glucuronic acid
- biosaccharide gum polymer of galacturonic acid, fucose and D-galactose
- plant extracts including:
- polymers may be physically or chemically modified.
- a physical treatment that may notably be mentioned is the temperature.
- Chemical treatments that may be mentioned include esterification, etherification, amidation and oxidation reactions. These treatments can lead to polymers that may be nonionic, anionic, cationic or amphoteric.
- these chemical or physical treatments are applied to guar gums, locust bean gums, starches and celluloses.
- the nonionic guar gums that may be used according to the invention may be modified with Ci to Ce hydroxyalkyl groups.
- hydroxyalkyl groups mention may be made of hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups.
- These guar gums are well known in the prior art and may be prepared, for example, by reacting corresponding alkene oxides, for instance propylene oxides, with the guar gum so as to obtain a guar gum modified with hydroxypropyl groups.
- the degree of hydroxyalkylation preferably ranges from 0.4 to 1.2 and corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum.
- nonionic guar gums optionally modified with hydroxyalkyl groups are sold, for example, under the trade names Jaguar HP8, Jaguar HP60 and Jaguar HP120 by the company Rhodia Chimie.
- the guar gums modified with cationic groups that may more particularly be used according to the invention are guar gums including trialkylammonium cationic groups.
- guar gums including trialkylammonium cationic groups Preferably, 2% to 30% by number of the hydroxyl functions of these guar gums bear trialkylammonium cationic groups. Even more preferentially, 5% to 20% by number of the hydroxyl functions of these guar gums are branched with trialkylammonium cationic groups.
- these trialkylammonium groups mention may most particularly be made of the trimethylammonium and triethylammonium groups. Even more preferentially, these groups represent from 5% to 20% by weight relative to the total weight of the modified guar gum.
- guar gums modified with 2,3- epoxypropyltrimethylammonium chloride may be used.
- guar gums modified with cationic groups are products already known per se and are, for example, described in patents US 3 589 578 and US 4 013 307. Such products are moreover notably sold under the trade names Jaguar C I3S, Jaguar C15 and Jaguar C17 by the company Rhodia Chimie.
- modified locust bean gum use may be made of cationic locust bean gum containing hydroxypropyltrimonium groups, such as Catinal CLB 200 sold by the company Toho.
- the starch molecules used in the present invention may originate from any plant source of starch, notably cereals and tubers; more particularly, they may be starches from corn, rice, cassava, barley, potato, wheat, sorghum, pea, oat or tapioca. It is also possible to use hydrolysates of the starches mentioned above.
- the starch is preferably derived from potato.
- the starches may be chemically or physically modified, notably by one or more of the following reactions: pregelatinization, oxidation, crosslinking, esterification, etherification, amidation, heat treatments. More particularly, these reactions may be performed in the following manner:
- Monostarch phosphates (of the type St-O-PO-(OX)2), di starch phosphates (of the type St-O-PO-(OX)-O-St) or even tristarch phosphates (of the type St-O-PO-(O- St)2) or mixtures thereof may notably be obtained by crosslinking with phosphorus compounds; with St meaning starch and X notably denoting alkali metals (for example sodium or potassium), alkaline-earth metals (for example calcium or magnesium), ammonia salts, amine salts such as salts of monoethanolamine, diethanolamine, triethanolamine or 3-amino-l,2-propanediol, and ammonium salts derived from basic amino acids such as lysine, arginine, sarcosine, ornithine or citrulline.
- alkali metals for example sodium or potassium
- alkaline-earth metals for example calcium or magnesium
- ammonia salts amine
- the phosphorus compounds may be, for example, sodium tripolyphosphate, sodium orthophosphate, phosphorus oxychloride or sodium trimetaphosphate.
- Distarch phosphates or compounds rich in distarch phosphate may notably be mentioned, for instance the product sold under the references Prejel VA-70-T AGGL (gelatinized hydroxypropyl cassava distarch phosphate), Prejel TK1 (gelatinized cassava distarch phosphate) and Prejel 200 (gelatinized acetylated cassava distarch phosphate) by the company Avebe, or Structure Zea from National Starch (gelatinized corn distarch phosphate).
- a preferred starch is a starch that has undergone at least one chemical modification such as at least one esterification.
- amphoteric starches comprising one or more anionic groups and one or more cationic groups.
- the anionic and cationic groups may be bonded to the same reactive site of the starch molecule or to different reactive sites; they are preferably bonded to the same reactive site.
- the anionic groups may be of carboxylic, phosphate or sulfate type, preferably carboxylic.
- the cationic groups may be of primary, secondary, tertiary or quaternary amine type.
- amphoteric starches are notably chosen from the compounds having the following formulae: in which formulae (XI) to (XIV):
- - St-0 represents a starch molecule
- - R which may be identical or different, represents a hydrogen atom or a methyl radical
- - R’ which may be identical or different, represents a hydrogen atom, a methyl radical or a -C(O)-OH group;
- - n is an integer equal to 2 or 3;
- - M which may be identical or different, denotes a hydrogen atom, an alkali metal or alkaline-earth metal such as Na, K or Li, a quaternary ammonium NH4, or an organic amine; and
- - R represents a hydrogen atom or a Ci-Cis alkyl radical.
- Starches of formula (XII) or (XIII), and preferentially starches modified with 2-chloroethylaminodipropionic acid are particularly used, i.e. starches of formula (XII) or (XIII) in which R, R’, R” and M represent a hydrogen atom and n is equal to 2.
- the amphoteric starch is a starch chloroethylamido dipropionate.
- the celluloses and cellulose derivatives may be anionic, cationic, amphoteric or nonionic.
- cellulose ethers, cellulose esters and cellulose ester ethers are distinguished.
- cellulose esters examples include inorganic esters of cellulose (cellulose nitrates, sulfates or phosphates), organic esters of cellulose (cellulose monoacetates, triacetates, amidopropionates, acetatebutyrates, acetatepropionates or acetatetrimellitates), and mixed organic/inorganic esters of cellulose, such as cellulose acetatebutyrate sulfates and cellulose acetatepropionate sulfates.
- inorganic esters of cellulose cellulose nitrates, sulfates or phosphates
- organic esters of cellulose cellulose monoacetates, triacetates, amidopropionates, acetatebutyrates, acetatepropionates or acetatetrimellitates
- mixed organic/inorganic esters of cellulose such as cellulose acetatebutyrate sulfates and cellulose acetatepropionate sulfates.
- cellulose ester ethers mention may be made of hydroxypropylmethylcellulose phthalates and ethylcellulose sulfates.
- nonionic cellulose ethers that may be mentioned are alkylcelluloses such as methylcelluloses and ethylcelluloses (for example Ethocel Standard 100 Premium from Dow Chemical); hydroxyalkylcelluloses such as hydroxymethylcelluloses and hydroxy ethylcelluloses (for example Natrosol 250 HHR sold by Aquaion) and hydroxypropylcelluloses (for example Klucel EF from Aquaion); mixed hydroxyalkyl-alkylcelluloses such as hydroxypropylmethylcelluloses (for example Methocel E4M from Dow Chemical), hydroxy ethylmethylcelluloses, hydroxy ethylethylcelluloses (for example Bermocoll E 481 FQ from Akzo Nobel) and hydroxybutylmethylcelluloses.
- alkylcelluloses such as methylcelluloses and ethylcelluloses (for example Ethocel Standard 100 Premium from Dow Chemical); hydroxyalkylcelluloses such as hydroxymethylcelluloses and hydroxy ethylcelluloses (
- carboxyalkylcelluloses and salts thereof examples include carboxymethylcelluloses, carboxymethylmethylcelluloses (for example Blanose 7M from the company Aquaion) and carboxymethylhydroxyethylcelluloses, and also the sodium salts thereof.
- cationic cellulose ethers mention may be made of crosslinked or non-crosslinked quatemized hydroxyethylcelluloses.
- the quatemizing agent may notably be diallyldimethylammonium chloride (for example Celquat L200 from National Starch).
- Another cationic cellulose ether that may be mentioned is hydroxypropyltrimethylammonium hydroxyethyl cellulose (for example Ucare Polymer JR 400 from Amerchol).
- celluloses or derivatives thereof modified with groups including at least one fatty chain such as alkyl, arylalkyl or alkylaryl groups or mixtures thereof, in which the alkyl groups are C8-C22; nonionic alkylhydroxyethylcelluloses such as the products Natrosol Plus Grade 330 CS and Polysurf 67 (Ci6 alkyl) sold by the company Aquaion; quatermzed alkylhydroxy ethylcelluloses (cationic) such as the products Quatnsoft LM 200, QuatrisoftLM-X 529-18-A, QuatrisoftLM-X5 29-18-B (C12 alkyl) and Quatrisoft LM-X 529-8 (Cis alkyl) sold by the company Amerchol, the products Crodacel QM, Crodacel QL (C 12 alkyl) and Crodacel QS (Cis alkyl) sold by the company Crodacel QM, Crodacel QL (C 12 alkyl)
- hydroxypropyl guars modified with a fatty chain such as the product Esaflor HM 22 (modified with a C22 alkyl chain) sold by the company Lamberti; the product Miracare XC 95-3 (modified with a C14 alkyl chain) and the product RE 205- 146 (modified with a C20 alkyl chain) sold by Rhodia Chimie.
- the water-soluble polymer(s) bearing sugar unit(s) that may be used to form the envelope of the packaging article are preferably chosen from guar gums, locust bean gums, xanthan gums, starches and celluloses, in their modified (derived) form or unmodified form.
- said polymer(s) bearing sugar unit(s) are nonionic.
- the water-soluble polymers described above more particularly have a weightaverage molecular weight (Mw) of greater than 1 000 000 and preferably between 1 000000 and 50 000 000.
- Mw weightaverage molecular weight
- the molecular weight is determined by the RSV (Reduced Specific Viscosity) method as defined in “Principles of Polymer Chemistry” Cornell University Press, Ithaca, NY 1953 Chapter VII “Determination of Molecular Weight” pages 266-316.
- the water-soluble or liposoluble compound(s) that are capable of forming the envelope of the packaging article according to the invention may be in fibre or film form.
- the water-soluble or liposoluble compound(s) are in the form of fibres.
- the term “fibre” refers to any object whose length is greater than its cross section. In other words, it should be understood as referring to an object of length L and of diameter D such that L is greater and preferably very much greater (i.e. at least three times greater) than D, D being the diameter of the circle in which the cross section of the fibre is inscribed.
- the ratio L/D is chosen in the range extending from 3.5 to 2500, preferably from 5 to 500, and better still from 5 to 150.
- the cross section of a fibre may be of any shape: round, serrated or crenellated, or else bean-shaped, but also multilobal, in particular trilobal or pentalobal, X-shaped, in strip form, square, triangular, elliptical or the like.
- the fibres of the invention may or may not be hollow.
- the fibres may be spun, carded or twisted.
- the fibres used in the context of the present invention are spun.
- the mean diameter of the fibres used according to the present invention is less than 500 pm.
- such a diameter is less than 200 pm, preferably less than 100 pm, or even less than 50 pm.
- water-soluble fibres which include fibres based on PVA (polyvinyl alcohol), fibres of polysaccharides such as glucomannans, starches, celluloses such as carboxymethylcelluloses, polyalginic acid fibres, polylactic acid fibres and polyalkylene oxide fibres, and also mixtures thereof. More preferentially, the water-soluble fibre(s) used in the invention are chosen from PVA-based fibres.
- PVA polyvinyl alcohol
- the water-soluble fibre(s) used in the invention are chosen from PVA-based fibres.
- the fibres of the envelope are generally entangled.
- envelope comprising water-soluble fibres means an envelope which may consist entirely of water-soluble fibres which may include both fibres that are water-soluble and fibres that are water-insoluble at a temperature of less than or equal to 35°C, the soluble fibres needing to be in larger amount than the insoluble fibres.
- the envelope of the fibres must include at least 60% by weight of soluble fibres, preferably at least 70% and better still at least 80% by weight relative to the total weight of the fibres. It may thus include, for example, more than 95% by weight, or even more than 99% by weight and even 100% by weight of water-soluble fibres relative to the total weight of the fibres of the envelope.
- insoluble fibres these may be made of any material commonly used as insoluble fibres; they may be, for example, silk, cotton, wool, flax, polyamide (Nylon®), polylactic acid, modified cellulose (rayon, viscose, rayon acetate), poly-p-phenylene terephthalamide, notably Kevlar®, polyolefin and notably polyethylene or polypropylene, glass, silica, aramid, carbon, notably in graphite form, Teflon®, insoluble collagen, polyester, polyvinyl chloride or polyvinylidene chloride or polyethylene terephthalate fibres, or fibres formed from a mixture of the compounds mentioned above, such as polyamide/polyester or viscose/polyester fibres.
- polyamide Nylon®
- polylactic acid modified cellulose (rayon, viscose, rayon acetate)
- poly-p-phenylene terephthalamide notably Kevlar®
- polyolefin notably polyethylene or
- the envelope when it contains fibres, it may be woven or nonwoven. According to a first variant of the invention, the envelope may be woven.
- a “woven” material results from an organized assembly of fibres, in particular of water-soluble polymeric fibres, and more particularly of an intercrossing, in the same plane, of said fibres, arranged in the direction of the warp and of fibres arranged, perpendicular to the warp fibres, in the direction of the weft. The bonding obtained between these warp and weft fibres is defined by a weave.
- Such a woven material results from an operation directed towards assembling the fibres in an organized manner such as weaving per se, but may also result from knitting.
- the envelope is nonwoven.
- nonwoven fabric refers to a substrate comprising fibres, in particular water-soluble polymeric fibres, in which the individual fibres are arranged in a disordered manner in a structure in the form of a lap and which are neither woven nor knitted.
- the fibres of the nonwoven fabric are generally bonded together, either under the effect of a mechanical action (for example needle punching, air jet or water jet), or under the effect of a thermal action, or by addition of a binder.
- Such a nonwoven fabric is, for example, defined by the standard ISO 9092 as a web or lap of directionally or randomly oriented fibres, bonded by friction and/or cohesion and/or adhesion, excluding paper and products which are woven, knitted, tufted or stitch-bonded incorporating bonding yarns or filaments.
- a nonwoven fabric differs from a paper by the length of the fibres used. In paper, the fibres are shorter. However, there are nonwoven fabrics based on cellulose fibre, which are manufactured by a wet-laid process and which have short fibres like in paper. The difference between a nonwoven fabric and a paper is generally the absence of hydrogen bonding between the fibres in a nonwoven fabric.
- the fibres used in the context of the present invention are chosen from synthetic fibres such as PVA fibres.
- the envelope is nonwoven, and is preferentially made of nonwoven PVA fibres.
- PVA fibres that are soluble in water at a temperature of less than or equal to 35°C, for instance the fibres sold by the Japanese company Kuraray under the name Kuralon K-II, and particularly the grade WN2 which is soluble at and above 20°C.
- These fibres are described in EP -A- 636 716 which teaches the manufacture of PVA fibres that are soluble in water at temperatures not exceeding 100°C, by spinning and drawing of the wet or dry polyvinyl alcohol polymer in the presence of solvents participating in the dissolution and solidification of the fibre. The fibre thus obtained may lead to the production of woven or nonwoven substrates.
- These fibres may also be prepared from a solution to be spun, by dissolving a water-soluble PVA-based polymer in a first organic solvent, spinning of the solution in a second organic solvent to obtain solidified filaments and wet drawing of the filaments, from which the first solvent is removed, followed by drying and subjecting to a heat treatment.
- the cross section of these fibres may be substantially circular.
- These fibres have a tensile strength of at least 2.7 g/dtex (3 g/d).
- Patent application EP- A-0 636 716 describes such water-soluble PVA-based fibres and the process for manufacturing them.
- the fibres may also be formed by extrusion and deposited on a conveyor to form a lap of fibres which is then consolidated via a conventional fibre bonding technique, for instance needle punching, hot bonding, calendering or air-through bonding, in which technique the water-soluble lap passes through a tunnel into which hot air is blown, or spunlacing directed towards bonding the fibres under the action of fine jets of water at very high pressure, which cannot be applied to fibres whose dissolution temperature is too low pressure.
- a conventional fibre bonding technique for instance needle punching, hot bonding, calendering or air-through bonding, in which technique the water-soluble lap passes through a tunnel into which hot air is blown, or spunlacing directed towards bonding the fibres under the action of fine jets of water at very high pressure, which cannot be applied to fibres whose dissolution temperature is too low pressure.
- the invention is not limited to the use of PVA, and use may also be made of fibres made from other water-soluble materials provided that these materials dissolve in water having the desired temperature, for example the polysaccharide fibres sold under the name Lysorb by the company Lysac Technologies Inc. or other fibres based on polysaccharide polymers such as glucomannans or starch.
- the envelope may comprise a mixture of different fibres that are soluble in water at different temperatures (up to 35°C).
- the fibres may be composite, and they may include, for example, a core and a sheath which are not of the same nature, for example formed from different grades of PVA.
- the envelope is a nonwoven fabric, including water-soluble fibres, alone or as a mixture with insoluble fibres as indicated above, with not more than 40% by weight of insoluble fibres relative to the total weight of the fibres constituting the lap.
- the nonwoven fabric consists essentially of water-soluble fibres, i.e. it does not contain any insoluble fibres.
- the envelope of the packaging article may consist of one or more films, which each comprise one or more water-soluble and/or liposoluble compounds, notably as defined above.
- the envelope consists of several films, said films may be assembled, for example bonded together, so as to form a single unified film.
- the thickness of the “overall” film is advantageously between 10 and 1000 microns, preferably between 10 and 800 microns and more preferentially between 15-500 microns.
- film notably means a continuous layer preferentially formed from one or more water-soluble and/or liposoluble compounds as defined above, in particular of polymer(s).
- the main industrial methods for the production of polymer films are extrusion of a molten polymer, casting of a solution of a polymer onto a polished metal surface (in certain cases, the polymer solution is introduced into a precipitation tank), casting of a dispersion of the polymer onto a polished surface, and calendering.
- the films that may be used according to the present invention may be chosen from film-multilayer film, film-paper (laminating) and film-coating.
- the surface coatings undergo what is known as the formation of a film, and notably of filmcoating.
- a liquid coating of relatively low viscosity is applied to a solid substrate and is hardened as a solid adherent film based on high molecular weight polymer having the properties desired by the user.
- the films that may be used according to the present invention are notably PVA films which may be manufactured via any industrial production method, such as a method of casting a PVA-based polymer solution, a method of extrusion in the presence or absence of water, a dry-extrusion moulding method or a biaxial orientation method.
- the packaging article, and the envelope may have any shape that is suitable for the intended use, for example a rectangular, round or oval shape. Preferably, it has a rounded geometry, for example in the form of a sphere, a disc or an oval, or else a square or parallelepipedal geometry preferably with rounded corners.
- the envelope preferably has dimensions allowing it to be taken up between at least two fingers.
- it may, for example, have an ovoid shape about 2 to 10 cm long and about 0.5 to 4 cm wide, or a circular disc shape about 2 to 10 cm in diameter, or a square shape with a side length of about 2 to 15 cm, or a rectangular shape with a length of about 2 to 25 cm, it being understood that it may have any other shape and size that are suitable for the intended use.
- the envelope may be of round shape with an inside diameter ranging from 3 to 7 cm, more preferentially from 4 to 5 cm; to which may be added the dimension of the edges (sealed part) which may range from 1 to 5 mm, better still from 2 to 4 mm; and a height ranging from 2 to 7 mm, preferentially from 3 to 5 mm.
- the envelope may also be of square or rectangular shape with a length preferably ranging from 2 to 6 cm, more preferentially from 3 to 5 cm, and a width preferably ranging from 2 to 5 cm, more preferentially 2.5 to 4 cm; to which may be added the dimension of the edges (sealed part) which may preferably range from 1 to 5 mm, and more preferentially from 2 to 4 mm.
- the envelope has a low thickness, and may consist of several layers of different materials.
- the thickness of the envelope ranges from 3% to 99.9% of its other dimensions.
- the envelope is thus substantially flat, with thin edge profiles.
- the area delimiting the cavity or cavities has an extent advantageously less than 625 cm 2 , preferably between 0.025 cm 2 and 400 cm 2 , more preferentially between 1 and 200 cm 2 , better still between 2 and 50 cm 2 and even better still between 4 and 25 cm 2 , so as to have optimized compacting of the composition. It has been observed that when the area of the article is within the above ranges, the compacting of the anhydrous solid composition made of powder is lower and the transformation of the powder into a fluid composition in the hands is easier, without any formation of agglomerates.
- the height of the envelope is greater than or equal to 2 mm, more preferentially ranging from 2 to 10 mm and better still from 3 to 7 mm.
- the film(s) used in the context of the present invention are chosen from synthetic films such as PVA or PVOH films, and also mixtures thereof.
- the envelope consists of several layers, for example two or three layers, of films which are each preferably made of different materials.
- at least one of these films is a film comprising or consisting of PVA and/or PVOH.
- the film(s) are sealed so as to form one or more cavities which will comprise the anhydrous solid composition of the invention and will prevent it from escaping.
- the packaging article comprises from 1 to 5 g and preferably from 2 to 4.5 g of anhydrous solid composition; and from 0.1 to 0.8 g and preferably from 0.2 to 0.5 g of envelope.
- the present invention also relates to a cosmetic process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising a step of using a packaging article as defined above; preferably, said cosmetic treatment process comprises the following steps: i) mixing the packaging article in a composition that is capable of dissolving, totally or partially, the envelope of said packaging article, ii) applying the composition obtained in step i) to the keratin fibres, iii) optionally leaving in place, iv) rinsing said keratin fibres, and v) optionally drying said keratin fibres.
- composition that is suitable for dissolving the envelope depends on the nature of the envelope.
- the composition that is suitable for dissolving the envelope is water or an aqueous composition when the packaging article predominantly or solely contains a hydrophilic envelope.
- the composition that is suitable for dissolving the envelope is an anhydrous organic composition or an aqueous composition comprising at least one liquid fatty substance or at least one organic solvent other than liquid fatty substances such as lower monoalcohols, for example ethanol, or such as polyols, for example propylene glycol or glycerol, when the packaging article predominantly or solely contains a lipophilic envelope.
- the aqueous composition may simply be water.
- the aqueous composition may optionally comprise at least one polar solvent.
- polar solvents that may be used in this composition, mention may be made of organic compounds that are liquid at room temperature (25°C) and at least partially water- miscible.
- alkanols such as ethyl alcohol and isopropyl alcohol
- aromatic alcohols such as benzyl alcohol and phenylethyl alcohol
- polyols or polyol ethers for instance ethylene glycol monomethyl ether, monoethyl ether and monobutyl ether, propylene glycol or ethers thereof, for instance propylene glycol monomethyl ether, butylene glycol, dipropylene glycol, and also diethylene glycol alkyl ethers, for instance diethylene glycol monoethyl ether or monobutyl ether.
- their respective content in the aqueous composition ranges from 0.5% to 20% by weight and preferably from 2% to 10% by weight relative to the weight of said aqueous composition.
- the dilution ratio (expressed by weight) between one or more packaging articles, as defined previously, and the composition that is suitable for dissolving the packaging article(s) is preferably between 10/90 and 90/10 and more preferentially between 10/90 and 50/50. Better still, this dilution ratio is 20/80.
- the composition obtained on conclusion of the mixing (step i) of the process) may be applied to wet or dry keratin fibres. It is advantageously left in place on the keratin fibres for a time generally ranging from 1 to 15 minutes, preferably from 2 to 10 minutes.
- the keratin fibres are then rinsed with water. They may optionally be washed with a shampoo, followed by rinsing with water, before being dried or left to dry.
- the present invention also relates to the use of a packaging article as defined previously for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
- composition A according to the invention and comparative composition B were prepared from the ingredients whose contents are indicated , unless indicated otherwise, as mass percentages of active material relative to the total weight of the composition in the tables below (%AM):
- Protocol 0.1 g of composition is placed in a small dish and then 0.3 g of water at 37°C is applied to the composition by means of a disposable pipet and then mixed by means of a spatula until homogeneity.
- the contents of the dish are then applied to a lock of lightly sensitized hair (1 g) which has been moistened beforehand, and are left to act for 1 minute.
- the hair lock is subsequently rinsed with water for 10 seconds, with the lock being kneaded before being disentangled by means of a comb.
- the lock is subsequently passed under water for 2 seconds before being wrung out using tongs.
- a measurement is then made of the frictional forces of a lockwhen it is moved (in the root/tip direction) at constant speed (2 mm/s) between two neoprene pads holding said lock under constant compression.
- Composition A according to the invention requires a lower force and therefore has better smooth-feel performance, both on wet hair and on dry hair.
- composition A thus prepared is packaged in powder form in a water-soluble PVOH-based sachet.
- the packaging article thus obtained can then be used as a washing composition: it is placed in the palm of the hand, water is added to dissolve it and optionally to form a foam, and it is then applied onto the hair, which has preferably been moistened beforehand.
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Abstract
The present invention relates to a solid composition intended in particular for washing and/or conditioning keratin fibres, notably human keratin fibres such as the hair, and which comprises a combination of carboxylate anionic and amphoteric or zwitterionic surfactants and silicones. The invention also relates to a packaging article containing said solid composition, and also to cosmetic processes for treating keratin fibres, in particular human keratin fibres such as the hair, using said solid composition or said packaging article. The invention also relates to the use of said solid composition or of said packaging article for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
Description
DESCRIPTION
TITLE: Anhydrous solid composition comprising a combination of carboxylate and amphoteric or zwitterionic surfactants and silicones
The present invention relates to a solid composition intended in particular for washing and/or conditioning keratin fibres, notably human keratin fibres such as the hair, and which comprises a combination of carboxylate anionic and amphoteric or zwitterionic surfactants and silicones.
The invention also relates to a packaging article containing said solid composition, and also to cosmetic processes for treating keratin fibres, in particular human keratin fibres such as the hair, using said solid composition or said packaging article.
The invention also relates to the use of said solid composition or of said packaging article for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
In the field of hair hygiene, products for washing keratin fibres are generally intended to cleanse said fibres while at the same time giving them good cosmetic properties. Conventional products, such as shampoos, are usually in more or less thickened liquid form. However, on account of their liquid texture, these products may have various drawbacks, and may notably prove to be difficult to measure out.
The reason for this is that the more liquid they are, the greater their tendency to escape between the fingers, making them difficult to measure out and leading to waste. These products may also escape from their packaging, which is a source of inconvenience to the consumer when these products come into contact with clothing or objects, for example when travelling.
In order to modify the texture of these products, and notably to make it more compact, thickeners are generally used. However, the addition of these compounds usually comes at the expense of the cosmetic effects of the compositions. The use of these thicker compositions moreover necessitates a large amount of rinsing water in order to remove the surplus of product on the fibres. Now, in many countries where access to water is restricted, the rinsing time and consequently the amount of water required to properly rinse off the product are key indicators of the working qualities of a composition.
In order to overcome some of these problems, novel solid cosmetic formulations, notably shampoos in the form of solid granules or powder, have been
developed. However, these novel formulations are not always entirely satisfactory. Those which are in loose powder form may, indeed, pose problems of volatility, uptake and/or measuring out. Those which are in the form of agglomerates, for instance granules, may have a tendency to disintegrate or break down with difficulty in the presence of water and do not always make it possible to obtain a rapid start of foaming and/or a satisfactory abundance of foam, having a negative impact on their use and their spreading on keratin fibres. They may also be difficult to remove on rinsing and may occasionally even leave residues on the fibres, which the consumer finds unpleasant.
These formulations may also not be entirely satisfactory in terms of cosmetic performance qualities, notably in terms of suppleness, feel, softness, sheen and disentangling.
Thus, there is a real need to provide a composition in solid form which has an improved environmental profile, i.e. which requires little water throughout its use. The composition must not only be easy to take up, break down easily and have good foaming properties, notably in terms of the start of foaming and the foam abundance and density, but must also rinse out quickly without leaving residues on the keratin fibres..
The composition must also have good detergent power while at the same time affording satisfactory cosmetic properties, notably in terms of suppleness, feel, softness, coverage, sheen and disentangling.
It has now been found that a solid composition comprising an anionic surfactant of carboxylate type, an amphoteric or zwitterionic surfactant and silicones makes it possible to achieve the objectives presented above, and notably to propose a composition in solid form which combines good working qualities, good detergent power with improved foam properties, without, however, requiring large amounts of water.
One subject of the present invention is a solid composition comprising: i) one or more anionic surfactants of carboxylate type, ii) one or more amphoteric or zwitterionic surfactants, and iii) one or more silicones, the composition comprising a water content of less than 5% by weight, relative to the total weight of the composition.
The particular combination of the compounds of the invention makes it possible to obtain a solid composition that is easy to take up, to handle and to measure
out. Specifically, the composition thus obtained has a cohesion or granulation such that the uptake and measuring-out properties are improved. The composition can then be packaged in single-dose form, which is a form that is particularly advantageous, for example, when travelling or performing a sporting activity (lightened bags, limited risks of leakage, reduced waste).
In addition, this composition breaks down rapidly on contact with water and readily and quickly produces a firm, creamy and abundant foam, the quality of which is comparable to that of the foam obtained with a conventional liquid shampoo composition. This foam can then be easily and uniformly distributed on the keratin fibres.
Moreover, the composition of the invention rinses out rapidly without leaving unpleasant residues on the fibres and gives them a natural, clean feel after rinsing. Fibres treated with the composition of the invention also have good cosmetic properties, notably in terms of softness, suppleness and feel. They also have good strand separation and are thus easier to disentangle.
A subject of the present invention is also a cosmetic treatment process, notably for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said keratin fibres of a solid composition as defined below, the solid composition being applied directly to said keratin fibres or after having been moistened beforehand with water.
The present invention also relates to the use of a solid composition as defined below for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
The present invention also relates to a packaging article comprising:
- an envelope defining at least one cavity, the envelope comprising one or more water-soluble and/or liposoluble compounds;
- a solid composition as defined above; it being understood that the solid composition is in one of the cavities defined by the envelope.
This packaging article notably solves the problems of measuring out of the solid composition. It also facilitates its storage and transportation. In particular, the packaging article of the invention affords better protection of the composition against moisture.
The packaging article may also make it possible to obtain a final keratin fibre washing and/or conditioning composition that is more thickened in the hand, which
may be in cream form. It may also act as a foam booster. Specifically, the volume of foam obtained after dilution of the packaging article may be greater than the volume of foam obtained after dissolution of the solid composition alone.
The invention also relates to the use of the above packaging article for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
The invention also relates to a cosmetic treatment process, notably for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising a step of using at least one packaging article as defined above.
Preferably, said cosmetic treatment process comprises the following steps: i) mixing the packaging article in a composition that is capable of dissolving, totally or partially, the envelope of said packaging article, ii) applying the composition obtained in step i) to the keratin fibres, iii) optionally leaving to stand, iv) rinsing said keratin fibres, v) optionally drying said keratin fibres.
Other subjects, characteristics, aspects and advantages of the invention will emerge even more clearly on reading the description and the examples that follow.
In the text hereinbelow, unless otherwise indicated, the limits of a range of values are included in that range, notably in the expressions “between” and “ranging from ... to ...”.
Moreover, the expression “at least one” used in the present description is equivalent to the expression “one or more”.
The solid composition according to the present invention comprises a water content of less than 5% by weight, preferably less than 4% by weight, more preferably less than 3% by weight, relative to the total weight of the composition. Even more preferably, the solid composition according to the invention comprises a water content of 0% by weight, relative to the total weight of the composition.
Such a composition will be referred to as an “anhydrous composition” in the following description. In other words, the solid composition according to the present invention corresponds to an anhydrous solid composition in the following description.
In particular, the composition does not comprise any water added during its preparation, the residual water that may be present possibly originating from the starting materials used during the preparation.
The anhydrous solid composition according to the invention may be in powder, paste, particle (for example spherical particles such as small beads or granules), compressed tablet, stick or cake form. Preferably, the composition according to the invention is in the form of a powder or of particles.
The term “powder” means a composition in pulverulent form, which is preferably essentially free of dust (or fine particles). In other words, the particle size distribution of the particles is such that the weight content of particles which have a size of less than or equal to 50 pm (content of fines), preferably less than or equal to 45 pm (content of fines) is advantageously less than or equal to 5% by weight, preferably less than 3% by weight and more particularly less than 1% by weight, relative to the total weight of particles (particle size evaluated using a Retsch AS 200 Digit particle size analyser; oscillation height: 1.25 mm/screening time: 5 minutes).
The term “paste” means a composition having a viscosity of greater than 5 poises (0.5 Pa.s) and preferably greater than 10 poises (1 Pa.s), measured at 25°C and at a shear rate of 1 s'1; this viscosity possibly being determined using a cone-plate rheometer.
The term “particles” means small fractionated objects formed from solid particles that are aggregated together, of variable shapes and sizes. They may be in regular or irregular form. They may in particular be in spherical form (such as granules, granulates or beads) or in square, rectangular or elongated form such as sticks. Spherical particles are most particularly preferred.
Advantageously, the size of the powders or particles is, in its largest dimension, between 45 pm and 5 mm, preferably between 50 pm and 2 mm, more preferentially between 50 pm and 1 mm and even better still between 60 and 600 pm.
When the anhydrous solid composition according to the invention is not in powder or particle form, it advantageously has a penetration force at 25°C and 1 atm of greater than or equal to 200 g, preferably greater than or equal to 300 g, more preferentially greater than or equal to 400 g and better still greater than or equal to 500 g. The penetration force is determined by penetrometry. The texture analysis measurements are performed at 25°C using a Stable Micro Systems TA.XT Plus texturometer. The penetrometry experiments are performed with a metal rod equipped with a screwed end piece, said end piece being a P/2N needle of 2 mm for the top part, connected to the measuring head. The piston penetrates into the sample at a constant speed of 1 mm/s, to a depth of 5 mm. The force exerted on the piston is recorded and the mean value of the force is calculated.
The anhydrous solid composition according to the invention may be in the form of a compressed anhydrous solid composition, notably compressed using a manual or mechanical press. Preferably, the hardness of the compressed anhydrous solid composition is between 10 and 300 N, more preferentially between 15 and 200 N and better still between 15 and 100 N.
The density of the anhydrous solid composition according to the present invention is preferably between 0.1 and 1, more preferentially between 0.2 and 0.8 and better still between 0.3 and 0.6.
A given amount (mass, m) of powder is placed in a measuring cylinder. The measuring cylinder is then automatically tapped 2500 times. The volume (v) thus obtained is read on the measuring cylinder and the density (d) is then determined according to the formula d = m/v.
The anionic surfactants of carboxylate type i)
The anhydrous solid composition according to the present invention comprises one or more anionic surfactants of carboxylate type i).
Within the meaning of the present invention, the term “anionic surfactant of carboxylate type” means an anionic surfactant including one or more carboxylic or carboxylate functions (-COOH or -COO") and including no sulfonic or sulfonate function (-SO3H or -SCh") and including no sulfate function.
Surfactants of this kind may be advantageously chosen from acyllactates, N-acylglycinates, N-acylsarcosinates and N-acylglutamates, alkyl ether carboxylates, alkyl glucose carboxylates, alkyl glucoside tartrates, alkyl glucoside citrates, the acyl or alkyl groups including preferably from 8 to 30 carbon atoms, better still from 10 to 22 carbon atoms; and mixtures thereof; and also the unsalified forms of these compounds.
The anionic surfactant(s) of carboxylate type may preferably be advantageously chosen from the compounds of formula (II):
R-(OCH2CH2)nW-(CHYi)p-COOX (II) formula (II), in which:
- Yi denotes a hydrogen atom, a group (CH2)qCOOX or a hydroxyl group;
- W denotes an oxygen atom, a group (O-Glu-O)r-(COCH(Y2)- (C(OH)COOX)t)s or a group CO-NR3;
- Y2 denotes a hydrogen atom or a hydroxyl group;
- R3 denotes a hydrogen atom or a methyl group;
- X denotes a hydrogen atom, an ammonium ion, an ion derived from an alkali metal or an alkaline-earth metal or an ion derived from an organic amine;
- R denotes a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms;
- Glu denotes a divalent radical obtained from glucopyranose with removal of 2 hydroxyl groups;
- p is equal to 0 or 1;
- q denotes an integer ranging from 1 to 10;
- n denotes an integer ranging from 0 to 50;
- r denotes a number ranging from 1 to 10;
- s is equal to 0 or 1;
- 1 is equal to 0 or 1.
The anionic surfactant(s) of carboxylate type i) are preferably chosen from the compounds of formula (II) for which:
- Yi denotes a hydrogen atom or a group (CH2)qCOOX;
- W denotes a group CO-NRi;
- R3 denotes a hydrogen atom or a methyl group;
- X denotes a hydrogen atom, an ammonium ion, an ion obtained from an alkali metal or alkaline-earth metal, or an ion obtained from an organic amine;
- R denotes a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms;
- p is equal to 0 or 1, preferably 0;
- q denotes an integer ranging from 1 to 10;
- n denotes an integer ranging from 0 to 50.
The anionic surfactant(s) of carboxylate type are chosen more preferentially from the compounds of formula (II) for which:
- n=0, p=l, Yi=H, W=C0NH (N-acylglycinates);
- n=0, p=l, W= CON(CH3) and Yi = H (N-acylsarcosinates); and
- n=0, p=l, W =CONH and Yi = CH2CH2COOX (N-acylglutamates).
The anionic surfactant(s) of carboxylate type, and especially those of formula (II) as defined hereinabove, may be employed in salified or unsalified form.
As salt it is possible in particular to use alkali metal salts, such as the sodium or potassium salt, ammonium salts, amine salts, amino alcohol salts, or alkaline-earth metal salts, for example the magnesium salt.
Amino alcohol salts that may be mentioned include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2-methyl-l -propanol salts, 2-amino-2-methyl-l,3-propanediol salts and tri s(hydroxymethyl)aminom ethane salts.
Alkali metal or alkaline-earth metal salts and in particular the sodium or magnesium salts are preferably used.
The anionic surfactants of carboxylate type i) are preferentially chosen from N-acyl(Cs-C3o)glutamates, and especially stearoylglutamates, lauroylglutamates and cocoylglutamates; N-acyl(Cs-C3o)sarcosinates, and especially palmitoylsarcosinates, stearoyl sarcosinates, lauroylsarcosinates and cocoylsarcosinates; and mixtures thereof; especially in the form of alkali metal or alkaline-earth metal, ammonium, amine or amino alcohol salts.
With particular preference the anionic surfactant(s) of carboxylate type i) are chosen from N-acyl(Cs-C3o)glutamates and mixtures thereof, especially in the form of alkali metal or alkaline-earth metal, ammonium, amine or amino alcohol salts, and mixtures thereof.
The total content of the anionic surfactant(s) of carboxylate type i) present in the anhydrous solid composition according to the invention ranges preferably from 1% to 40% by weight, more preferentially from 2% to 35% by weight, more preferentially from 5% to 30% by weight, and even better still from 10% to 25% by weight, relative to the total weight of the composition.
The anionic surfactant(s) of carboxylate type i) are preferably chosen from N-acyl(Cs-C3o)glutamates and mixtures thereof, and the total content of the N-acyl(Cs-C3o)glutamate(s) present in the anhydrous solid composition according to the invention ranges preferably from 1% to 40% by weight, more preferentially from 2% to 35% by weight, more preferentially from 5% to 30% by weight, and even better still from 10% to 25% by weight, relative to the total weight of the composition.
According to one particular embodiment, the anhydrous solid composition according to the invention is free from anionic surfactant of sulfate type.
Within the meaning of the present invention, the term “anionic surfactant of sulfate type” means surfactants including at least one group which is anionic or can be ionized to an anionic group, chosen from sulfate functions (-OSO3H or -OSCh").
The following anionic surfactants are therefore preferably not present in the anhydrous solid composition according to the invention: alkyl sulfate, alkylamido sulfate, alkyl ether sulfate, alkylamido ether sulfate, alkylaryl ether sulfate and monoglyceride-sulfate salts.
Within the meaning of the present invention, the term “free of’ means a composition which does not contain (0%) these anionic surfactants of sulfate type or which contains less than 0.1% by weight of such surfactants, relative to the total weight of the composition.
The amphoteric or zwiterionic surfactants ii)
The anhydrous solid composition according to the present invention also comprises one or more amphoteric or zwitterionic surfactants ii).
In particular, the amphoteric or zwitterionic surfactant(s), which are preferably non-silicone, used in the anhydrous solid composition according to the present invention may notably be derivatives of optionally quaternized secondary or tertiary aliphatic amines, in which derivatives the aliphatic group is a linear or branched chain including from 8 to 22 carbon atoms, said amine derivatives containing at least one anionic group, for instance a carboxylate, sulfonate, sulfate, phosphate or phosphonate group.
Mention may in particular be made of (Cs-C2o)alkylbetaines, (Cs- C2o)alkylsulfobetaines, (Cs-C2o)alkylamido(Ci-C6)alkylbetaines and (Cs- C2o)alkylamido(Ci-C6)alkylsulfobetaines, and mixtures thereof.
Among the optionally quaternized derivatives of secondary or tertiary aliphatic amines that may be used, as defined above, mention may also be made of the compounds having the respective structures (III) and (IV) below:
Ra-CONHCH2CH2-N+(Rb)(Rc)-CH2COO-, M+, X' (III) in which formula (III):
- Ra represents a C10 to C30 alkyl or alkenyl group derived from an acid RaCOOH preferably present in hydrolysed coconut kernel oil; preferably, Ra represents a heptyl, nonyl or undecyl group;
- Rb represents a P-hydroxyethyl group;
- Rc represents a carboxymethyl group;
- M represents a cationic counterion derived from an alkali metal or alkaline- earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine; and
- X" represents an organic or mineral anionic counterion, such as that chosen from halides, acetates, phosphates, nitrates, (Ci-C4)alkyl sulfates, (Ci-C4)alkyl- or (Ci- C4)alkylarylsulfonates, in particular methyl sulfate and ethyl sulfate; or alternatively M+ and X" are absent;
Ra’-CONHCH2CH2-N(B)(B’) (IV) in which formula (IV):
- B represents the group -CH2CH2OX’;
- B’ represents the group -(CH2)zY’, with z = 1 or 2;
- X’ represents the group -CH2COOH, -CH2-COOZ’, -CH2CH2COOH or CH2CH2-COOZ’, or a hydrogen atom;
- Y’ represents the group -COOH, -COOZ’ or -CH2CH(OH)SO3H or the group CH2CH(OH)SO3-Z’;
- Z’ represents a cationic counterion derived from an alkali metal or alkaline- earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine;
- Ra’ represents a C10 to C30 alkyl or alkenyl group of an acid Ra -COOH which is preferably present in coconut kernel oil or in hydrolysed linseed oil, preferably Ra’ an alkyl group, notably a C17 group, and its iso form, or an unsaturated C17 group.
These compounds are classified in the CTFA dictionary, 5th edition, 1993, under the names disodium cocoamphodi acetate, disodium lauroamphodiacetate, disodium caprylamphodiacetate, disodium capryloamphodiacetate, disodium cocoamphodipropionate, disodium lauroamphodipropi onate, disodium caprylamphodipropionate, disodium capryloamphodipropionate, lauroamphodipropionic acid and cocoamphodipropionic acid.
By way of example, mention may be made of the cocoamphodiacetate sold by the company Rhodia under the trade name Miranol® C2M Concentrate.
Use may also be made of compounds of formula (V):
Ra”-NHCH(Y”)-(CH2)nCONH(CH2)n’-N(Rd)(Re) (V) in which formula (V):
- Y” represents the group -COOH, -COOZ” or -CH2-CH(OH)SO3H or the group CH2CH(OH)SO3-Z”;
- Rd and Re, independently of each other, represent a Ci to C4 alkyl or hydroxyalkyl radical;
- Z’ ’ represents a cationic counterion derived from an alkali metal or alkaline- earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine;
- Ra” represents a C10 to C30 alkyl or alkenyl group of an acid Ra”-COOH which is preferably present in coconut kernel oil or in hydrolysed linseed oil; and
- n and n’ denote, independently of each other, an integer ranging from 1 to 3.
Among the compounds of formula (V), mention may be made of the compound classified in the CTFA dictionary under the name sodium di ethylaminopropyl cocoaspartamide and sold by the company Chimex under the name Chimexane HB.
These compounds may be used alone or as mixtures.
Among the amphoteric or zwitterionic surfactants mentioned above, use is advantageously made of (Cs-C2o)alkylbetaines, such as cocoyl betaine (Cs- C2o)alkylamido(C3-Cs)alkylbetaines, such as cocamidopropylbetaine, (Cs- C2o)alkylamphoacetates, (Cs-C2o)alkylamphodiacetates and mixtures thereof; and preferably (Cs-C2o)alkylbetaines, (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof.
Preferentially, the amphoteric or zwitterionic surfactant(s) ii) are chosen from (Cs-C2o)alkylbetaines, (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof, and even better still from (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof.
The total content of the amphoteric or zwitterionic surfactant(s) ii), present in the anhydrous solid composition according to the invention, preferably ranges from 1% to 30% by weight, more preferentially from 2% to 25% by weight, and better still from 5% to 20% by weight, relative to the total weight of the composition.
In a preferred embodiment, the total content of amphoteric or zwitterionic surfactant(s) chosen from (Cs-C2o)alkylbetaines, (Cs-C2o)alkylamido(C3- Cs)alkylbetaines and mixtures thereof ranges from 1% to 30% by weight, preferably from 2% to 25% by weight and more preferentially from 5% to 20% by weight relative to the total weight of the composition.
The silicones Hi)
The anhydrous solid composition according to the present invention also comprises one or more silicones iii).
The silicones that may be used in the invention are different from the cationic polymers vi) defined hereinbelow.
The silicones which can be used may be soluble or insoluble in the composition according to the invention; they may be in the form of oil, wax, resin or gum; silicone oils and gums are preferred.
Silicones are notably described in detail in Walter Noll’s Chemistry and Technology of Silicones (1968), Academic Press.
The volatile silicones may be chosen from those with a boiling point of between 60°C and 260°C (at atmospheric pressure) and more particularly from: i) cyclic polydialkylsiloxanes including from 3 to 7 and preferably 4 to 5 silicon atoms, such as
- octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane.
Mention may be made of the products sold under the name Volatile Silicone 7207 by Union Carbide or Silbione 70045 V 2 by Rhodia, Volatile Silicone 7158 by Union Carbide or Silbione 70045 V 5 by Rhodia;
Mention may be made of Volatile Silicone FZ 3109 sold by the company Union Carbide;
- mixtures of cyclic silicones with silicon-based organic compounds, such as the mixture of octamethylcyclotetrasiloxane and of tetratrimethylsilylpentaerythritol (50/50) and the mixture of octamethylcyclotetrasiloxane and of oxy-1,1’- bis(2, 2, 2’, 2’, 3, 3 ’-hexatrimethylsilyloxy )neopentane; ii) linear polydialkylsiloxanes containing 2 to 9 silicon atoms, which generally have a viscosity of less than or equal to 5* 10'6 m2/s at 25°C, such as decamethyltetrasiloxane.
Other silicones belonging to this category are described in the article published in Cosmetics and Toiletries, Vol. 91, Jan. 76, pages 27-32, Todd & Byers Volatile Silicone Fluids for Cosmetics,' mention may be made of the product sold under the name SH 200 by the company Toray Silicone.
Among the non-volatile silicones, mention may be made, alone or as a mixture, of polydialkylsiloxanes and notably polydimethylsiloxanes (PDMS), polydiarylsiloxanes, polyalkylarylsiloxanes, silicone gums and resins, and also organopolysiloxanes (or organomodified polysiloxanes, or alternatively organomodified silicones) which are polysiloxanes including in their structure one or more organofunctional groups, generally attached via a hydrocarbon-based group, and preferably chosen from aryl groups, amine groups, alkoxy groups and polyoxyethylene or polyoxypropylene groups.
The organomodified silicones may be polydiarylsiloxanes, notably polydiphenylsiloxanes, and polyalkylarylsiloxanes functionalized with the organofunctional groups mentioned previously. The polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes.
Among the organomodified silicones, mention may be made of organopolysiloxanes including:
- polyoxyethylene and/or polyoxypropylene groups optionally including Ce- C24 alkyl groups, such as dimethicone copolyols, and notably those sold by the company Dow Corning under the name DC 1248 or the oils Silwet® L 722, L 7500, L 77 and L 711 from the company Union Carbide; or alternatively (C12)alkylmethicone copolyols, and notably those sold by the company Dow Corning under the name Q2- 5200;
- substituted or unsubstituted amine groups, in particular C1-C4 aminoalkyl groups; mention may be made of the products sold under the names GP4 Silicone Fluid and GP7100 by the company Genesee, or under the names Q2-8220 and DC929 or DC939 by the company Dow Coming;
- thiol groups, such as the products sold under the names GP 72 A and GP 71 from Genesee;
- alkoxylated groups, such as the product sold under the name Silicone Copolymer F-755 by SWS Silicones and Abil Wax® 2428, 2434 and 2440 by the company Goldschmidt;
- hydroxylated groups, for instance polyorganosiloxanes bearing a hydroxyalkyl function;
- acyloxyalkyl groups, such as the polyorganosiloxanes described in patent US-A-4 957 732;
- anionic groups of the carboxylic acid type, as described, for example, in EP 186 507, or of the alkylcarboxylic type, such as the product X-22-3701E from the company Shin-Etsu; or alternatively of the 2 -hydroxy alkyl sulfonate or 2- hydroxyalkylthiosulfate type, such as the products sold by the company Goldschmidt under the names Abil® S201 and Abil® S255;
- hydroxyacylamino groups, such as the polyorganosiloxanes described in patent application EP 342 834; mention may be made, for example, of the product Q2- 8413 from the company Dow Corning.
The silicones may also be chosen from polydialkylsiloxanes, among which mention may be made mainly of poly dimethyl siloxanes bearing trimethyl silyl end groups. Among these polydialkylsiloxanes, mention may be made of the following commercial products:
- the Silbione® oils of the 47 and 70 047 series or the Mirasil® oils sold by Rhodia, for instance the oil 70 047 V 500 000;
- the oils of the Mirasil® series sold by the company Rhodia;
- the oils of the 200 series from the company Dow Corning, such as DC200 with a viscosity of 60 000 mm2/s;
- the Viscasil® oils from General Electric and certain oils of the SF series (SF 96, SF 18) from General Electric.
Mention may also be made of polydimethylsiloxanes bearing dimethylsilanol end groups, known under the name dimethiconol (CTFA), such as the oils of the 48 series from the company Rhodia.
In this category of polydialkylsiloxanes, mention may also be made of the products sold under the names Abil Wax® 9800 and 9801 by the company Goldschmidt, which are polydi(Ci-C2o)alkylsiloxanes.
Products that may be used more particularly in accordance with the invention are mixtures such as:
- mixtures formed from a polydimethylsiloxane with a hydroxy-terminated chain, or dimethiconol (CTFA), and from a cyclic poly dimethyl siloxane, also known
as cyclomethicone (CTFA), such as the product Q2-1401 sold by the company Dow Corning.
The polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes with a viscosity ranging from 1 * 10'5 to 5* 10'2 m2/s at 25°C.
Among these polyalkylarylsiloxanes, mention may be made of the products sold under the following names:
- the Silbione® oils of the 70 641 series from Rhodia;
- the oils of the Rhodorsil® 70 633 and 763 series from Rhodia;
- the oil Dow Corning 556 Cosmetic Grade Fluid from Dow Corning;
- the silicones of the PK series from Bayer, such as the product PK20;
- the silicones of the PN and PH series from Bayer, such as the products PNIOOO and PHI 000;
- certain oils of the SF series from General Electric, such as SF 1023, SF 1154, SF 1250 and SF 1265.
The silicones that may be used may be amino silicones. The term “amino silicone” denotes any silicone including at least one primary, secondary or tertiary amine or a quaternary ammonium group.
The weight-average molecular masses of these amino silicones may be measured by gel permeation chromatography (GPC) at room temperature (25°C), as polystyrene equivalent. The columns used are p styragel columns. The eluent is THF and the flow rate is 1 ml/min. 200 pl of a 0.5% by weight solution of silicone in THF are injected. Detection is performed by refractometry and UV-metry.
Preferably, the amino silicone(s) that may be used in the context of the invention are chosen from: a) the poly siloxanes corresponding to formula (A):
in which x’ and y’ are integers such that the weight-average molecular weight (Mw) is between 5000 and 500 000 approximately; b) the amino silicones corresponding to formula (B):
R’aG3-a-Si(OSiG2)n-(OSiGbR’2-b)m-O-SiG3-a-R’a (B) in which:
- G, which may be identical or different, denotes a hydrogen atom or a group from among phenyl, OH, Ci-Cs alkyl, for example methyl, or Ci-Cs alkoxy, for example methoxy,
- a, which may be identical or different, denotes 0 or an integer from 1 to 3, in particular 0,
- b denotes 0 or 1, in particular 1,
- m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10,
- R’, which may be identical or different, denotes a monovalent radical of formula -CqH2qL in which q is a number ranging from 2 to 8 and L is an optionally quaternized amine group chosen from the following groups:
- N(R”)2; -N+(R”)3 A-; -NR”-Q-N(R”)2 and -NR”-Q-N+(R”)3 A-, in which R”, which may be identical or different, denotes hydrogen, phenyl, benzyl, or a saturated monovalent hydrocarbon-based radical, for example a C1-C20 alkyl radical; Q denotes a linear or branched group of formula CrH2r, r being an integer ranging from 2 to 6, preferably from 2 to 4; and A" represents a cosmetically acceptable anion, notably a halide such as fluoride, chloride, bromide or iodide.
Preferably, the amino silicones are chosen from the amino silicones of formula (B). Preferably, the amino silicones of formula (B) are chosen from the amino silicones corresponding to formulae (C), (D), (E), (F) and/or (G) below.
Hence, the amino silicones corresponding to formula (B) may be chosen from, alone or in a mixture:
A/ the silicones known as “trimethyl silyl amodimethicone” corresponding to formula (C):
in which m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10.
- m and n are numbers such that the sum (n + m) ranges from 1 to 1000, in particular from 50 to 250 and more particularly from 100 to 200; n possibly denoting a number from 0 to 999, notably from 49 to 249 and more particularly from 125 to 175, and m possibly denoting a number from 1 to 1000, notably from 1 to 10 and more particularly from 1 to 5;
- Ri, R2 and R3, which may be identical or different, represent a hydroxyl or C1-C4 alkoxy radical, at least one of the radicals Ri to R3 denoting an alkoxy radical.
Preferably, the alkoxy radical is a methoxy radical.
The hydroxy/alkoxy mole ratio preferably ranges from 0.2: 1 to 0.4: 1 and preferably from 0.25: 1 to 0.35: 1 and more particularly is equal to 0.3: 1.
The weight-average molecular mass (Mw) of these silicones preferably ranges from 2000 to 1 000 000 and more particularly from 3500 to 200 000.
- p and q are numbers such that the sum (p + q) ranges from 1 to 1000, in particular from 50 to 350 and more particularly from 150 to 250; p possibly denoting a number from 0 to 999, notably from 49 to 349 and more particularly from 159 to 239, and q possibly denoting a number from 1 to 1000, notably from 1 to 10 and more particularly from 1 to 5;
- Ri and R2, which are different, represent a hydroxyl or C1-C4 alkoxy radical, at least one of the radicals Ri or R2 denoting an alkoxy radical.
Preferably, the alkoxy radical is a methoxy radical.
The hydroxy/alkoxy mole ratio generally ranges from 1 :0.8 to 1 : 1.1 and preferably from 1 :0.9 to 1 : 1 and more particularly is equal to 1 :0.95.
The weight-average molecular mass (Mw) of the silicone preferably ranges from 2000 to 200 000, even more particularly from 5000 to 100 000 and more particularly from 10 000 to 50 000.
The commercial products comprising silicones of structure (D) or (E) may include in their composition one or more other amino silicones the structure of which is different from formula (D) or (E).
A product containing amino silicones of structure (D) is sold by the company Wacker under the name Belsil® ADM 652.
A product containing amino silicones of structure (E) is sold by Wacker under the name Fluid WR 1300®.
When these amino silicones are used, one particularly advantageous embodiment consists in using them in the form of an oil-in-water emulsion. The oil- in-water emulsion may comprise one or more surfactants. The surfactants may be of any nature but are preferably cationic and/or nonionic. The number-average size of the silicone particles in the emulsion generally ranges from 3 nm to 500 nanometers. Preferably, notably as amino silicones of formula (E), use is made of microemulsions with a mean particle size ranging from 5 nm to 60 nanometres (limits included) and more particularly from 10 nm to 50 nanometres (limits included). Thus, use may be made according to the invention of the amino silicone microemulsions of formula (E) proposed under the names Finish CT 96 E® or SLM 28020® by the company Wacker.
- m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10;
- A denotes a linear or branched alkylene radical containing from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably linear.
The weight-average molecular mass (Mw) of these amino silicones preferably ranges from 2000 to 1 000 000 and even more particularly from 3500 to 200 000.
A silicone corresponding to this formula is, for example, the Xiameter MEM 8299 Emulsion from Dow Corning.
- m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10;
- A denotes a linear or branched alkylene radical containing from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably branched.
The weight-average molecular mass (Mw) of these amino silicones preferably ranges from 500 to 1 000 000 and even more particularly from 1000 to 200 000.
A silicone corresponding to this formula is, for example, DC2-8566 Amino Fluid from Dow Coming; c) the amino silicones corresponding to formula (H):
in which:
- R5 represents a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl or C2-C18 alkenyl radical, for example methyl;
- R6 represents a divalent hydrocarbon-based radical, notably a Ci-Cis alkylene radical or a divalent Ci-Cis, for example Ci-Cs, alkyleneoxy radical linked to the Si via an SiC bond;
- Q" is an anion such as a halide ion, notably chloride, or an organic acid salt, notably acetate;
- r represents a mean statistical value ranging from 2 to 20 and in particular from 2 to 8;
- s represents a mean statistical value ranging from 20 to 200 and in particular from 20 to 50.
Such amino silicones are notably described in patent US 4 185 087. d) the quaternary ammonium silicones of formula (I):
in which:
- R7, which may be identical or different, represent a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl radical, a C2-C18 alkenyl radical or a ring comprising 5 or 6 carbon atoms, for example methyl;
- R6 represents a divalent hydrocarbon-based radical, notably a Ci-Cis alkylene radical or a divalent Ci-Cis, for example Ci-Cs, alkyleneoxy radical linked to the Si via an SiC bond;
- R8, which may be identical or different, represent a hydrogen atom, a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl radical, a C2-C18 alkenyl radical or a radical -R6-NHCOR7;
- X" is an anion such as a halide ion, notably chloride, or an organic acid salt, notably acetate;
- r represents a mean statistical value ranging from 2 to 200 and in particular from 5 to 100.
These silicones are described, for example, in patent application EP-A 0 530 974; e) the ammo silicones of formula (J):
in which:
- Rl, R2, R3 and R4, which may be identical or different, denote a C1-C4 alkyl radical or a phenyl group,
- R5 denotes a C1-C4 alkyl radical or a hydroxyl group,
- n is an integer ranging from 1 to 5,
- m is an integer ranging from 1 to 5, and
- x is chosen such that the amine number ranges from 0.01 to 1 meq/g; f) multiblock polyoxyalkylene amino silicones, of the type (AB)n, A being a polysiloxane block and B being a polyoxyalkylene block including at least one amine group.
Said silicones are preferably formed from repeating units having the following general formulae:
[-(SiMe2O)xSiMe2-R-N(R”)- R’ -O(C2H4O)a(C3H6O)b-R’ -N(H)-R-] or
[-(SiMe2O)xSiMe2-R-N(R”)- R’ -O(C2H4O)a(C3H6O)b-] in which:
- a is an integer greater than or equal to 1, preferably ranging from 5 to 200 and more particularly ranging from 10 to 100;
- b is an integer between 0 and 200, preferably ranging from 4 to 100 and more particularly between 5 and 30;
- x is an integer ranging from 1 to 10 000 and more particularly from 10 to 5000;
- R” is a hydrogen atom or a methyl;
- R, which may be identical or different, represent a linear or branched divalent C2-C12 hydrocarbon-based radical, optionally including one or more heteroatoms such as oxygen; preferably, R denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical or a
CH2CH2CH2OCH2CH(OH)CH2- radical; preferentially, R denotes a CH2CH2CH2OCH2CH(OH)CH2- radical;
- R’, which may be identical or different, represent a linear or branched divalent C2-C12 hydrocarbon-based radical, optionally including one or more heteroatoms such as oxygen; preferably, R’ denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical or a radical CH2CH2CH2OCH2CH(OH)CH2-; preferentially, R’ denotes -CH(CH3)-CH2-.
The siloxane blocks preferably represent between 50 mol% and 95 mol% of the total weight of the silicone, more particularly from 70 mol% to 85 mol%.
The amine content is preferably between 0.02 and 0.5 meq/g of copolymer in a 30% solution in dipropylene glycol, more particularly between 0.05 and 0.2.
The weight-average molecular mass (Mw) of the silicone is preferably between 5000 and 1 000 000 and more particularly between 10 000 and 200 000.
Mention may notably be made of the silicones sold under the name Sil soft A- 843 or Silsoft A+ by Momentive. g) and mixtures thereof.
Preferably, the amino silicones are chosen from the amino silicones of formula (A), (D), (E), (F), (G) and mixtures thereof.
The silicones iii) are preferably chosen from the amino silicones, better still from the above amino silicones of formula (A), (D), (E), (F), (G) and mixtures thereof.
Advantageously, the silicone(s) iii) are present in a total content ranging from 1% to 15% by weight, preferably from 0.5% to 10% by weight, more preferentially from 1% to 5% by weight, relative to the total weight of the composition.
Better still, the amino silicones may be present in the composition in a total content ranging preferably from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, more preferentially from 1% to 5% by weight, relative to the total weight of the composition.
The anionic surfactants of sulfonate type iv)
The anhydrous solid composition according to the present invention may optionally further comprise one or more anionic surfactants iv), different from the
anionic surfactants of carboxylate type i), which are preferably chosen from sulfonate surfactants.
Within the meaning of the present invention, the term “anionic surfactant of sulfonate type” means an anionic surfactant comprising one or more sulfonic or sulfonate functions (-SO3H or -SCh"), possibly optionally comprising one or more carboxylic or carboxylate functions (-COOH or -COO") and not comprising sulfate functions.
Such surfactants may advantageously be chosen from alkyl sulfonates, alkylamidesulfonates, alkylarylsulfonates, alpha-olefinsulfonates, paraffinsulfonates, alkyl sulfosuccinates, alkylethersulfosuccinates, alkylamidesulfosuccinates, alkylsulfoacetates, sulfolaurates, N-acyltaurates, acylisethionates, and salts thereof and mixtures thereof; the alkyl groups of these compounds comprise in particular from 8 to 30 carbon atoms, preferably from 8 to 26, and more preferentially from 10 to 22 carbon atoms; the aryl group denotes preferably a phenyl or benzyl group; these compounds may be polyoxyalkylenated, especially polyoxyethylenated, and in that case comprise preferably from 1 to 50 ethylene oxide units, and more preferentially from 2 to 10 ethylene oxide units.
The anionic surfactant(s) of sulfonate type are preferably chosen from N-acyltaurates, and especially N-acyl N-methyltaurates, acylisethionates and sulfolaurates such as disodium 2-sulfolaurate, and salts thereof and mixtures thereof.
More preferentially, the anionic surfactant(s) of sulfonate type may advantageously be chosen from the compounds of formula (I):
R1-COX-R2-SO3M (I) formula (I), in which:
- Ri represents a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms,
- X represents an oxygen atom or an -N(CH3)- or -NH- group, preferably an oxygen atom,
- R2 represents a linear or branched alkyl group comprising from 1 to 4 carbon atoms, and
- M denotes a hydrogen atom, an ammonium ion, an ion obtained from an alkali metal or alkaline-earth metal, or an ion obtained from an organic amine.
The anionic surfactant(s) of sulfonate type, and especially those of formula (I) as defined hereinabove, may be employed in salified or unsalified form.
As salt it is possible to use in particular alkali metal salts, such as the sodium or potassium salts, ammonium salts, amine salts, the amino alcohol salts, and alkaline- earth metal salts, such as the magnesium salt.
Examples of amino alcohol salts that may be mentioned include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2- methyl-1 -propanol salts, 2-amino-2-methyl-l,3-propanediol salts and tris(hydroxymethyl)aminomethane salts.
Alkali metal or alkaline-earth metal salts and in particular the sodium or magnesium salts are preferably used.
The anionic surfactant(s) of sulfonate type iv) are preferably chosen from acylisethionates and mixtures thereof, and more preferentially from acyl(Cs-C3o)- isethionates and mixtures thereof, which are used in the form of salts, and even better still in the form of alkali metal or alkaline-earth metal salts, and especially of sodium or magnesium salts.
Particularly preferred examples of acyl(Cs-C3o)isethionates include in particular cocylisethionates and lauroyl methyl isethionates, especially in the form of sodium salts.
The solid composition according to the invention preferably comprises one or more anionic surfactants iv), different from the anionic surfactants of carboxylate type i), which are preferably chosen from sulfonate surfactants and preferentially one or more anionic surfactants of sulfonate type iv) chosen from acyl(Cs-C3o)isethionates and mixtures thereof.
The total content of the anionic surfactant(s) iv), when they are present in the anhydrous solid composition according to the invention, ranges preferably from 1% to 30% by weight, more preferentially from 3% to 25% by weight, and even better still from 5% to 20% by weight, or even from 8% to 16% by weight, relative to the total weight of the composition.
In one preferred embodiment, the anionic surfactant(s) of sulfonate type iv) are chosen from acyl(Cs-C3o)isethionates and mixtures thereof, and the total content of the acyl(Cs-C3o)isethionate(s) present in the anhydrous solid composition according to the invention ranges preferably from 1% to 30% by weight, more preferentially from 3% to 25% by weight and even better still from 5% to 20% by weight, or even from 8% to 16% by weight, relative to the total weight of the composition.
The total content of the anionic surfactant(s), in other words in particular the total content of anionic surfactants of carboxylate type i) and of anionic surfactants iv), present in the anhydrous solid composition according to the invention is advantageously greater than or equal to 15% by weight, this content preferably ranging from 15% to 45% by weight, more preferentially from 20% to 40% by weight, and even better still from 25% to 35% by weight, relative to the total weight of the composition.
The weight ratio (R) between the total content of surfactant(s) of carboxylate type i) and the total content of anionic surfactant(s) iv) present in the anhydrous solid composition of the invention is advantageously greater than or equal to 0.6, preferably greater than or equal to 0.7, more preferentially greater than or equal to 0.8, even better still greater than or equal to 1.0, or even strictly greater than 1.0, and even better still greater than or equal to 1.1. This weight ratio (R) preferably ranges from 0.6 to 5, more preferentially from 0.7 to 4.5, even better still from 0.8 to 4.0, even better still from 1.0 to 3.5, and even more preferentially from 1.1 to 3.0.
In one particular embodiment, the weight ratio (R) between the total content of surfactant(s) of carboxylate type i) and the total content of surfactant(s) of sulfonate type iv) present in the anhydrous solid composition of the invention is advantageously greater than or equal to 1, or even strictly greater than 1, this weight ratio (R) preferably ranging from 1 to 5, more preferentially from 1.5 to 3.5, and even better still from 2 to 3.
The fillers v)
The anhydrous solid composition according to the present invention may optionally also comprise one or more fillers v), which are different from the cationic polymers vi) defined hereinafter.
For the purposes of the present invention, the term “filler” refers to mineral or organic, polymeric or non-polymeric solid particles.
The fillers according to the invention participate in the dissolution or breakdown of the anhydrous solid composition of the invention, in particular in the presence of water. They may also contribute towards improving the cosmetic performance qualities due to the other compounds present in the composition.
Certain fillers may also have “anticaking” properties.
The mineral fillers may be chosen from solid alkali metal or alkaline-earth metal salts, notably the sodium or calcium salts, in particular sodium or calcium halides, such as sodium chloride and calcium chloride; or else carbonates, notably of sodium or calcium, such as, for example, calcium carbonate and sodium bicarbonate . Mention may also be made of silicates, for instance mica or clays, notably kaolin.
The non-polymeric organic fillers may be chosen from monosaccharides, for instance trehalose, sorbitol and mannitol.
The polymeric organic fillers may be chosen from polysaccharides and mixtures thereof. Mention may be made in particular of cyclodextrins, starches, alginates, gellans, guar gums, celluloses and wood flours. Among the polymeric organic fillers, mention may also be made of crosslinked polyvinylpyrrolidones and polyacrylates (for example Aquakeep).
Preferably, the fillers v) according to the invention are chosen from polymeric organic fillers and mixtures thereof, preferably from cyclodextrins, starches, alginates, gellans, guar gums, celluloses, wood flours, crosslinked polyvinylpyrrolidones, polyacrylates and mixtures thereof, and more preferentially from starches and mixtures thereof.
Preferably, the composition according to the invention comprises one or more fillers v).
The total content of the filler(s) v), when they are present in the anhydrous solid composition according to the invention, is preferably greater than or equal to 20% by weight, more preferentially greater than or equal to 30% by weight and better still greater than or equal to 35% by weight, relative to the total weight of the composition. Advantageously, the total content of the filler(s), when they are present in the anhydrous solid composition according to the invention, ranges from 20% to 80% by weight, preferably from 30% to 70% by weight and more preferentially from 35% to 60% by weight relative to the total weight of the composition.
In a preferred embodiment, the total content of the filler(s) v) chosen from starches, present in the anhydrous solid composition of the invention, is preferably greater than or equal to 20% by weight, more preferentially greater than or equal to 30% by weight, better still greater than or equal to 35% by weight, relative to the total weight of the composition.
According to this embodiment, advantageously, the total content of the filler(s) v) chosen from starches, present in the anhydrous solid composition of the invention, ranges from 20% to 80% by weight, preferably from 30% to 70% by weight
and more preferentially from 35% to 60% by weight, relative to the total weight of the composition.
The cationic polymers vi)
The anhydrous solid composition according to the present invention may optionally also comprise one or more cationic polymers vi).
The cationic polymers vi) are different from the silicones iii) and the fillers v) defined hereinabove.
For the purposes of the present invention, the term “cationic polymer” means any polymer comprising cationic groups and/or groups that may be ionized into cationic groups. Preferably, the cationic polymer(s) are hydrophilic or amphiphilic.
The cationic polymers are preferably not silicone-based (they do not comprise any Si-0 units).
The preferred cationic polymers are chosen from those that contain units including primary, secondary, tertiary and/or quaternary amine groups that may either form part of the main polymer chain or may be borne by a side substituent directly connected thereto.
Preferably, the cationic polymers according to the invention do not comprise any anionic groups or any groups that can be ionized into anionic groups.
The cationic polymers that may be used preferably have a weight-average molar mass (Mw) of between 500 and 5* 106 approximately and preferably between 103 and 3* 106 approximately.
Among the cationic polymers, mention may be made more particularly of:
(1) homopolymers or copolymers derived from acrylic or methacrylic esters or amides and including at least one of the units having the following formulae:
- Rs, which may be identical or different, denote a hydrogen atom or a CH3 radical; - A, which may be identical or different, represent a linear or branched divalent alkyl group of 1 to 6 carbon atoms, preferably 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms;
- R4, R5 and Re, which may be identical or different, represent an alkyl group containing from 1 to 18 carbon atoms or a benzyl radical, and preferably an alkyl group containing from 1 to 6 carbon atoms;
- Ri and R2, which may be identical or different, represent a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms, preferably methyl or ethyl; and
- X denotes an anion derived from a mineral or organic acid, such as a methosulfate anion or a halide such as chloride or bromide. The copolymers of the family (1) may also contain one or more units deriving from comonomers which may be chosen from the family of acrylamides, methacrylamides, diacetone acrylamides, acrylamides and methacrylamides substituted on the nitrogen with lower alkyls (C1-C4), acrylic acids or methacrylic acids
or esters thereof, vinyllactams such as vinylpyrrohdone or vinylcaprolactam, and vinyl esters.
Among these copolymers of family (1), mention may be made of:
- copolymers of acrylamide and of dimethylaminoethyl methacrylate quaternized with dimethyl sulfate or with a dimethyl halide, such as the product sold under the name Hercofloc by the company Hercules,
- copolymers of acrylamide and of methacryloyloxy ethyltrimethylammonium chloride, such as the products sold under the name Bina Quat P 100 by the company Ciba Geigy, the copolymer of acrylamide and of methacryloyloxyethyltrimethylammonium methosulfate, such as the product sold under the name Reten by the company Hercules,
- quaternized or non-quaternized vinylpyrrolidone/dialkylaminoalkyl acrylate or methacrylate copolymers, such as the products sold under the name Gafquat by the company ISP, for instance Gafquat 734 or Gafquat 755, or alternatively the products known as Copolymer 845, 958 and 937. These polymers are described in detail in French patents 2 077 143 and 2 393 573, dimethylaminoethyl methacrylate/vinylcaprolactam/vinylpyrrolidone terpolymers, such as the product sold under the name Gaffix VC 713 by the company ISP,
- vinylpyrrolidone/methacrylamidopropyldimethylamine copolymers, such as the products sold under the name Styleze CC 10 by ISP; quaternized vinylpyrrolidone/dimethylaminopropylmethacrylamide copolymers such as the product sold under the name Gafquat HS 100 by the company ISP;
- polymers, preferably crosslinked polymers, of methacryloyloxy(Ci- C4)alkyltri(Ci-C4)alkylammonium salts, such as the polymers obtained by homopolymerization of dimethylaminoethyl methacrylate quaternized with methyl chloride, or by copolymerization of acrylamide with dimethylaminoethyl methacrylate quaternized with methyl chloride, the homo- or copolymerization being followed by crosslinking with an olefinically unsaturated compound, in particular methylenebisacrylamide. Use may be made more particularly of a crosslinked acrylamide/methacryloyloxyethyltrimethylammonium chloride copolymer (20/80 by weight) in the form of a dispersion comprising 50% by weight of said copolymer in mineral oil. This dispersion is sold under the name Salcare® SC 92 by the company
Ciba. Use may also be made of a crosslinked methacryloyloxyethyltrimethylammonium chloride homopolymer comprising approximately 50% by weight of the homopolymer in mineral oil or in a liquid ester. These dispersions are sold under the names Salcare® SC 95 and Salcare® SC 96 by the company Ciba.
(2) cationic polysaccharides, notably cationic celluloses and galactomannan gums. Among the cationic polysaccharides, mention may be made more particularly of cellulose ether derivatives including quaternary ammonium groups, cationic cellulose copolymers or cellulose derivatives grafted with a water-soluble quaternary ammonium monomer and cationic galactomannan gums.
The cellulose ether derivatives including quaternary ammonium groups are notably described in FR 1 492 597, and mention may be made of the polymers sold under the name Ucare Polymer JR (JR 400 LT, JR 125 and JR 30M) or LR (LR 400 and LR 30M) by the company Amerchol. These polymers are also defined in the CTFA dictionary as quaternary ammoniums of hydroxy ethylcellulose that have reacted with an epoxide substituted with a trimethylammonium group.
Cationic cellulose copolymers or cellulose derivatives grafted with a water- soluble quaternary ammonium monomer are described notably in patent US 4 131 576, and mention may be made of hydroxyalkyl celluloses, for instance hydroxymethyl, hydroxyethyl or hydroxypropyl celluloses notably grafted with a methacryloylethyltrimethylammonium, methacrylamidopropyltrimethylammonium or dimethyldiallylammonium salt. The commercial products corresponding to this definition are more particularly the products sold under the names Celquat L 200 and Celquat H 100 by the company National Starch.
Among the cationic cellulose derivatives, use may also be made of cationic associative celluloses, which may be chosen from quaternized cellulose derivatives, and in particular quaternized celluloses modified with groups including at least one fatty chain, such as linear or branched alkyl groups, linear or branched arylalkyl groups, or linear or branched alkylaryl groups, preferably linear or branched alkyl groups, these groups including at least 8 carbon atoms, notably from 8 to 30 carbon atoms, better still from 10 to 24, or even from 10 to 14, carbon atoms; or mixtures thereof.
Preferably, mention may be made of quaternized hydroxyethylcelluloses modified with groups including at least one fatty chain, such as linear or branched alkyl groups, linear or branched arylalkyl groups, or linear or branched alkylaryl groups,
preferably linear or branched alkyl groups, these groups including at least 8 carbon atoms, notably from 8 to 30 carbon atoms, better still from 10 to 24 or even from 10 to 14 carbon atoms; or mixtures thereof.
- R represents an ammonium group RaRbRcN+-, Q" in which Ra, Rb and Rc, which may be identical or different, represent a hydrogen atom or a linear or branched Ci to C30 alkyl, preferably an alkyl, and Q" represents an anionic counterion such as a halide, for instance a chloride or bromide;
- R’ represents an ammonium group R’aR’bR’cN+-, Q” in which R’a, R’b and R’c, which may be identical or different, represent a hydrogen atom or a linear or branched Ci to C30 alkyl, preferably an alkyl, and Q” represents an anionic counterion such as a halide, for instance a chloride or bromide; it being understood that at least one of the radicals Ra, Rb, Rc, R’a, R’b and R’c represents a linear or branched Cs to C30 alkyl;
- n, x and y, which may be identical or different, represent an integer between 1 and 10 000.
Preferably, in formula (lb), at least one of the radicals Ra, Rb, Rc, R’a, R’b or R’c represents a linear or branched Cs to C30, better still C10 to C24 or even C10 to C14 alkyl; mention may be made in particular of the dodecyl radical (C12). Preferably, the other radical(s) represent a linear or branched C1-C4 alkyl, notably methyl.
Preferably, in formula (lb), only one of the radicals Ra, Rb, Rc, R’a, R’b or R’c represents a linear or branched Cs to C30, better still C10 to C24 or even C10 to C14 alkyl; mention may be made in particular of the dodecyl radical (C12). Preferably, the other radicals represent a linear or branched Ci to C4 alkyl, notably methyl.
Better still, R may be a group chosen from -N+(CH3)3, Q” and -N+(Ci2H25)(CH3)2, Q”, preferably a group -N+(CH3)3, Q” Even better still, R’ may be a group -N+(Ci2H25)(CH3)2, Q”
The aryl radicals preferably denote phenyl, benzyl, naphthyl or anthryl groups.
Mention may notably be made of the polymers having the following INCI names:
- Polyquaternium-24, such as the product Quatrisoft LM 200®, sold by the company Amerchol/Dow Chemical;
- PG-Hydroxyethylcellulose Cocodimonium Chloride, such as the product Crodacel QM®;
- PG-Hydroxyethylcellulose Lauryldimonium Chloride (C12 alkyl), such as the product Crodacel QL®; and
- PG-Hydroxyethylcellulose Stearyldimonium Chloride (Cis alkyl), such as the product Crodacel QS®, sold by the company Croda.
Mention may also be made of the hydroxyethylcelluloses of formula (lb) in which R represents a trimethylammonium halide and R’ represents a dimethyldodecylammonium halide, preferentially R represents trimethylammonium chloride (CH3)rN+-, CT and R’ represents dimethyldodecylammonium chloride (CH3)2(Ci2H25)N+-, CT. This type of polymer is known under the INCI name Polyquatemium-67; as commercial products, mention may be made of the Softcat Polymer SL® polymers, such as SL-100, SL-60, SL-30 and SL-5, from the company Amerchol/Dow Chemical.
More particularly, the polymers of formula (lb) are, for example, those whose viscosity is between 2000 and 3000 cPs (2 Pa.s and 3 Pa.s) inclusive, preferentially between 2700 and 2800 cPs (2.7 Pa.s and 2.8 Pa.s). Typically, Softcat Polymer SL-5 has a viscosity of 2500 cPs (2.5 Pa.s), Softcat Polymer SL-30 has a viscosity of 2700 cPs (2.7 Pa.s), Softcat Polymer SL-60 has a viscosity of 2700 cPs (2.7 Pa.s) and Softcat Polymer SL-100 has a viscosity of 2800 cPs (2.8 Pa.s). Use may also be made of Softcat Polymer SX-1300X with a viscosity of between 1000 and 2000 cPs (1 Pa.s and 2 Pa.s).
The cationic galactomannan gums are described more particularly in patents US 3 589 578 and US 4 031 307, and mention may be made of guar gums comprising cationic trialkylammonium groups. Use is made, for example, of guar gums modified
with a 2,3-epoxypropyltrimethylammonium salt (for example, a chloride). Such products are notably sold under the names Jaguar C13 S, Jaguar C 15, Jaguar C 17 and Jaguar Cl 62 by the company Rhodia.
(3) polymers formed from piperazinyl units and divalent alkylene or hydroxyalkylene radicals containing linear or branched chains, optionally interrupted with oxygen, sulfur or nitrogen atoms or with aromatic or heterocyclic rings, and also the oxidation and/or quaternization products of these polymers.
(4) water-soluble polyaminoamides prepared in particular by polycondensation of an acidic compound with a polyamine; these polyaminoamides can be crosslinked with an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a bis-unsaturated derivative, a bis-halohydrin, a bis-azetidinium, a bis- haloacyldiamine, a bis-alkyl halide or alternatively with an oligomer resulting from the reaction of a difunctional compound which is reactive with a bis-halohydrin, a bis- azetidinium, a bis-haloacyldiamine, a bis-alkyl halide, an epihalohydrin, a diepoxide or a bis-unsaturated derivative; the crosslinking agent being used in proportions ranging from 0.025 to 0.35 mol per amine group of the polyaminoamide; these polyaminoamides can be alkylated or, if they include one or more tertiary amine functions, they can be quaternized;
(5) polyamino amide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation with difunctional agents. Mention may be made, for example, of adipic acid/dialkylaminohydroxyalkyldialkylenetriamine polymers in which the alkyl radical includes from 1 to 4 carbon atoms and preferably denotes methyl, ethyl or propyl. Among these derivatives, mention may be made more particularly of the adipic acid/dimethylaminohydroxypropyl/diethylenetriamine polymers sold under the name Cartaretine F, F4 or F8 by the company Sandoz.
(6) polymers obtained by reacting a polyalkylene polyamine including two primary amine groups and at least one secondary amine group with a dicarboxylic acid chosen from diglycolic acid and saturated aliphatic dicarboxylic acids containing from 3 to 8 carbon atoms; the mole ratio between the polyalkylene polyamine and the dicarboxylic acid preferably being between 0.8: 1 and 1.4: 1; the resulting polyaminoamide being reacted with epichlorohydrin in a mole ratio of epichlorohydrin relative to the secondary amine group of the polyaminoamide preferably of between 0.5: 1 and 1.8: 1. Polymers of this type are sold in particular under the name Hercosett 57 by the company Hercules Inc. or else under the name PD 170 or
Delsette 101 by the company Hercules in the case of the adipic acid/epoxypropyl/diethylenetriamine copolymer.
(7) cyclopolymers of alkyldiallylamine or of dialkyldiallylammonium, such as homopolymers or copolymers including, as main constituent of the chain, units corresponding to formula (VI) or (VII):
in which formulae (VI) and (VII):
- k and t are equal to 0 or 1, the sum k + 1 being equal to 1;
- R12 denotes a hydrogen atom or a methyl radical;
- Rio and Rn, independently of each other, denote an alkyl group containing from 1 to 6 carbon atoms, a hydroxyalkyl group in which the alkyl group contains 1 to 5 carbon atoms, a Ci to C4 amidoalkyl group; or alternatively Rio and R11 may denote, together with the nitrogen atom to which they are attached, heterocyclic groups such as piperidinyl or morpholinyl; Rio and R11, independently of each other, preferably denote an alkyl group containing from 1 to 4 carbon atoms; and
- Y" is an anion such as bromide, chloride, acetate, borate, citrate, tartrate, bi sulfate, bisulfite, sulfate or phosphate.
Mention may be made more particularly of the dimethyldiallylammonium salt (for example chloride) homopolymer sold under the name Merquat 100 by the company Nalco (and homologues thereof of low weight-average molar masses) and the copolymers of diallyldimethylammonium salts (for example chloride) and of acrylamide, notably sold under the names Merquat 550 and Merquat 7SPR.
(8) quaternary diammonium polymers comprising repeating units of formula:
in which formula (VIII):
- RB, RU, RB and Ri6, which may be identical or different, represent aliphatic, alicyclic or arylaliphatic radicals containing from 1 to 20 carbon atoms or lower hydroxyalkylaliphatic radicals, or alternatively RB, Ri4, Ri5 and Ri6, together or separately, constitute, with the nitrogen atoms to which they are attached, heterocycles optionally comprising a second non-nitrogen heteroatom, or alternatively RB, Ri4, RB and Ri6 represent a linear or branched Ci to Ce alkyl radical substituted with a nitrile, ester, acyl or amide group or a group -CO-O-R17-D or -CO-NH-R17-D where R17 is an alkylene and D is a quaternary ammonium group;
- Ai and Bi represent divalent polymethylene groups comprising from 2 to 20 carbon atoms which may be linear or branched, and saturated or unsaturated, and which may contain, linked to or inserted in the main chain, one or more aromatic rings, or one or more oxygen or sulfur atoms or sulfoxide, sulfone, disulfide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups; and
- X" denotes an anion derived from a mineral or organic acid; it being understood that Ai, RB and R15 can form, with the two nitrogen atoms to which they are attached, a piperazine ring; in addition, if Ai denotes a linear or branched, saturated or unsaturated alkylene or hydroxyalkylene radical, Bi can also denote a group (CH2)nCO-D-OC- (CH2)n- in which D denotes: a) a glycol residue of formula -O-Z-O-, in which Z denotes a linear or branched hydrocarbon-based radical or a group corresponding to one of the following formulae: -(CH2-CH2-O)x-CH2-CH2- and -[CH2CH(CH3)-O]y-CH2-CH(CH3)-, where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing an average degree of polymerization; b) a bis-secondary diamine residue, such as a piperazine derivative; c) a bis-primary diamine residue of formula: -NH-Y-NH-, where Y denotes a linear or branched hydrocarbon-based radical, or alternatively the divalent radical - CH2-CH2-S-S-CH2-CH2-; or d) a ureylene group of formula: -NH-CO-NH-.
Preferably, X" is an anion, such as chloride or bromide. These polymers have a number-average molar mass (Mn) generally of between 1000 and 100 000.
Mention may be made more particularly of polymers consisting of repeating units corresponding to the formula:
in which formula (IX) Ri, R2, R3 and R4, which may be identical or different, denote an alkyl or hydroxyalkyl radical containing from 1 to 4 carbon atoms approximately, n and p are integers ranging from 2 to 20 approximately, and X" is an anion derived from a mineral or organic acid.
A compound of formula (IX) that is particularly preferred is the one for which Ri, R2, R3 and R4 represent a methyl radical and n = 3, p = 6 and X = Cl, which is known as Hexadimethrine chloride according to the INCI (CTFA) nomenclature.
- Ris, R19, R20 and R21, which may be identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, P-hydroxyethyl, P-hydroxypropyl or -CH2CH2(OCH2CH2)POH radical, where p is equal to 0 or to an integer of between 1 and 6, with the proviso that Ris, R19, R20 and R21 do not simultaneously represent a hydrogen atom,
- r and s, which may be identical or different, are integers between 1 and 6,
- q is equal to 0 or to an integer between 1 and 34,
- X" denotes an anion, such as a halide, and
- A denotes a dihalide radical or preferably represents -CH2-CH2-O-CH2- CH2-.
Examples that may be mentioned include the products Mirapol® A 15, Mirapol® ADI, Mirapol® AZ1 and Mirapol® 175 sold by the company Miranol.
(10) quaternary polymers of vinylpyrrolidone and of vinylimidazole, for instance the products sold under the names Luviquat® FC 905, FC 550 and FC 370 by the company BASF.
(11) polyamines such as Polyquart® H sold by Cognis, which is referenced under the name Polyethylene Glycol (15) Tallow Polyamine in the CTFA dictionary.
(12) polymers including in their structure:
(a) one or more units corresponding to formula (A) below:
In other words, these polymers may be notably chosen from homopolymers or copolymers including one or more units derived from vinylamine and optionally one or more units derived from vinylformamide.
Preferably, these cationic polymers are chosen from polymers including, in their structure, from 5 mol% to 100 mol% of units corresponding to formula (A) and from 0 to 95 mol% of units corresponding to formula (B), preferentially from 10 mol% to 100 mol% of units corresponding to formula (A) and from 0 to 90 mol% of units corresponding to formula (B).
These polymers may be obtained, for example, by partial hydrolysis of polyvinylformamide. This hydrolysis may take place in acidic or basic medium.
The weight-average molecular mass of said polymer, measured by light scattering, may range from 1000 to 3 000 000 g/mol, preferably from 10 000 to 1 000 000 and more particularly from 100 000 to 500 000 g/mol.
The cationic charge density of these polymers may range from 2 meq/g to 20 meq/g, preferably from 2.5 to 15 meq/g and more particularly from 3.5 to 10 meq/g.
The polymers including units of formula (A) and optionally units of formula (B) are notably sold under the name Lupamin by the company BASF, for instance, in a non-limiting manner, the products sold under the names Lupamin 9095, Lupamin 5095, Lupamin 1095, Lupamin 9030 (or Luviquat 9030) and Lupamin 9010.
Preferably, the cationic polymer(s) vi) are chosen from cationic polysaccharides (family (2)) and mixtures thereof, more preferentially from cationic galactomannan gums and mixtures thereof, and better still cationic guar gums, and mixtures thereof.
The total content of the cationic polymer(s) vi), when they are present in the anhydrous solid composition according to the invention, is preferably greater than or equal to 0.05% by weight, more preferentially ranges from 0.05% to 5% by weight, better still from 0.1% to 2% by weight, and even more preferentially from 0.2% to 1.5% by weight, relative to the total weight of the composition.
According to a preferred embodiment, the total content of the cationic polysaccharide(s), when they are present in the anhydrous solid composition according to the invention, is preferably greater than or equal to 0.05% by weight, more preferentially ranges from 0.05% to 5% by weight, better still from 0.1% to 2% by weight, or even from 0.2% to 1.5% by weight, relative to the total weight of the composition.
Organic solvents vii)
The anhydrous solid composition according to the present invention may optionally also comprise one or more organic solvents vii).
Preferably, the organic solvent(s) are chosen from linear or branched monoalcohols containing from 1 to 8 carbon atoms, and more preferentially from 1 to 4 carbon atoms, polyols, polyethylene glycols, aromatic alcohols, and mixtures thereof.
As examples of organic solvents that may be used according to the invention, mention may notably be made of ethanol, propanol, butanol, isopropanol, isobutanol, propylene glycol, dipropylene glycol, isoprene glycol, butylene glycol, glycerol, benzyl alcohol and phenoxyethanol, and mixtures thereof.
The organic solvent(s) that may be used according to the invention may be chosen from linear or branched monoalcohols containing from 1 to 4 carbon atoms, and mixtures thereof, preferably from ethanol, propanol, butanol, isopropanol, isobutanol, and mixtures thereof.
The organic solvent(s) vii) are preferably chosen from polyols and mixtures thereof, and more preferentially from glycerol, propylene glycol, and mixtures thereof.
In one preferred embodiment of the invention, the anhydrous solid composition comprises one or more organic solvents, preferably one or more polyols.
The total content of the organic solvent(s) vii), when they are present in the anhydrous solid composition according to the invention, is preferably less than or equal to 20% by weight, more preferentially less than or equal to 15% by weight, and better still from 0.5% to 12% by weight, relative to the total weight of the composition.
Cationic surfactants viii )
The anhydrous solid composition according to the present invention may optionally comprise one or more cationic surfactants viii).
The term “cationic surfactant” means a surfactant that is positively charged when it is contained in the compositions according to the invention. This surfactant
may bear one or more positive permanent charges or may contain one or more cationizable functions within the compositions according to the invention.
The cationic surfactants are advantageously chosen from optionally polyoxyalkylenated primary, secondary or tertiary fatty amine salts, quaternary ammonium salts, and mixtures thereof.
As quaternary ammonium salts, mention may notably be made of:
- the quaternary ammonium salts of formula (la):
in which: the groups Rs to Rn, which may be identical or different, represent a linear or branched aliphatic group including from 1 to 30 carbon atoms, or an aromatic group such as aryl or alkylaryl, at least one of the groups Rs to Rn including from 8 to 30 and preferably from 12 to 24 carbon atoms, it being possible for the aliphatic groups to include heteroatoms notably such as oxygen, nitrogen, sulfur and halogens; and
X" is an anion notably chosen from the group of halides, phosphates, acetates, lactates, (Ci-C4)alkyl sulfates, (Ci-C4)alkylsulfonates or (Ci-C4)alkylarylsulfonates.
The aliphatic groups Rs to Rn may be chosen from C1-C30 alkyl, C1-C30 alkoxy, (C2-C6) polyoxyalkylene, C1-C30 alkylamide, (Ci2-C22)alkylamido(C2- Ce)alkyl, (Ci2-C22)alkyl acetate, and C1-C30 hydroxyalkyl groups.
Mention may notably be made of tetraalkylammonium halides, notably chlorides, such as dialkyldimethylammonium or alkyltrimethylammonium chlorides in which the alkyl group includes from 12 to 22 carbon atoms, in particular behenyltrimethylammonium chloride, distearyldimethylammonium chloride, cetyltrimethylammonium chloride and benzyldimethylstearylammonium chloride.
Mention may also be made of palmitylamidopropyltrimethylammonium or stearamidopropyldimethyl-(myristyl acetate)-ammonium halides, and notably chlorides; notably the product sold under the name Ceraphyl® 70 by the company Van Dyk.
R12 represents an alkenyl or alkyl group including from 8 to 30 carbon atoms, for example tallow fatty acid derivatives;
R13 represents a hydrogen atom, a C1-C4 alkyl group or an alkenyl or alkyl group including from 8 to 30 carbon atoms;
R14 represents a C1-C4 alkyl group;
R15 represents a hydrogen atom or a C1-C4 alkyl group;
X" is an anion notably chosen from the group of halides, phosphates, acetates, lactates, (Ci-C4)alkyl sulfates, (Ci-C4)alkylsulfonates or (Ci-C4)alkylarylsulfonates.
Preferably, R12 and R13 denote a mixture of alkenyl or alkyl groups including from 12 to 21 carbon atoms, for example tallow fatty acid derivatives, R14 denotes a methyl group and R15 denotes a hydrogen atom. Such a product is sold, for example, under the name Rewoquat® W75 or W90 by the company Evonik.
- R16 denotes an alkyl group including from 16 to 30 carbon atoms, which is optionally hydroxylated and/or optionally interrupted with one or more oxygen atoms,
- R17 denotes hydrogen, an alkyl group including from 1 to 4 carbon atoms or a group -(CH2)3-N+(Ri6a)(Ri7a)(Risa), Ri6a, Ri7a and Risa, which may be identical or different, denoting hydrogen or an alkyl group including from 1 to 4 carbon atoms,
R18, R19, R20 and R21, which may be identical or different, denote hydrogen or an alkyl group including from 1 to 4 carbon atoms, and
- X" is an anion, chosen notably from the group of halides, acetates, phosphates, nitrates, (Cl-C4)alkyl sulfates, (Cl-C4)alkyl sulfonates and (Cl- C4)alkylarylsulfonates, in particular methyl sulfate and ethyl sulfate.
Such compounds are, for example, Finquat CT-P (Quatemium 89) and
Finquat CT (Quatemium 75), sold by the company Finetex;
- quaternary ammonium salts containing one or more ester functions, of formula (IVa) below:
in which:
- R22 is chosen from Ci-Ce alkyl and Ci-Ce hydroxyalkyl or dihydroxyalkyl groups;
- R23 is chosen from the group R26-C(=O)-, linear or branched, saturated or unsaturated C1-C22 hydrocarbon-based groups R27, and a hydrogen atom;
- R25 is chosen from the group R28-C(=O)-, linear or branched, saturated or unsaturated C1-C6 hydrocarbon-based groups R29, and a hydrogen atom;
- R24, R26 and R28, which may be identical or different, are chosen from linear or branched, saturated or unsaturated C7-C21 hydrocarbon-based groups;
- r, s and t, which may be identical or different, are integers ranging from 2 to 6,
- rl and tl, which may be identical or different, are equal to 0 or 1,
- y is an integer ranging from 1 to 10,
- x and z, which may be identical or different, are integers ranging from 0 to 10,
- X- is an anion, it being understood that r2 + rl = 2r and tl + 12 = 2t, and that the sum x + y + z ranges from 1 to 15, with the proviso that when x = 0 then R23 denotes R27 and that when z = 0 then R25 denotes R29.
The alkyl groups R22 may be linear or branched, preferably linear. Preferably, R22 denotes a methyl, ethyl, hydroxyethyl or dihydroxypropyl group, and more particularly a methyl or ethyl group.
Advantageously, the sum x + y + z is from 1 to 10.
When R23 is a hydrocarbon-based group R27, it may comprise from 12 to 22 carbon atoms, or else may comprise from 1 to 3 carbon atoms.
When R25 is a hydrocarbon-based group R29, it preferably contains 1 to 3 carbon atoms.
Advantageously, R24, R26 and R28, which may be identical or different, are chosen from linear or branched, saturated or unsaturated C11-C21 hydrocarbon-based groups, and more particularly from linear or branched C11-C21 alkyl and alkenyl groups.
Preferably, x and z, which may be identical or different, are equal to 0 or 1.
Advantageously, y is equal to 1.
Preferably, r, s and t, which may be identical or different, are equal to 2 or 3, and even more particularly are equal to 2.
The anion X- is preferably a halide, preferably chloride, bromide or iodide, a (Ci-C4)alkyl sulfate, a (Ci-C4)alkylsulfonate or a (Ci-C4)alkylarylsulfonate, a methanesulfonate, a phosphate, a nitrate, a tosylate, an anion derived from organic acid such as an acetate or a lactate or any other anion that is compatible with the ammonium bearing an ester function. The anion X- is more particularly a chloride, a methyl sulfate or an ethyl sulfate.
Use is more particularly made, in the composition according to the invention, of the ammonium salts of formula (IVa) in which:
- R22 denotes a methyl or ethyl group,
- x and y are equal to 1,
- z is equal to 0 or 1,
- r, s and t are equal to 2,
- R23 is chosen from the group R26-C(=O)-; methyl, ethyl or C14-C22 hydrocarbon-based groups, and a hydrogen atom,
- R25 is chosen from the group R28-C(=O)-; and a hydrogen atom,
- R24, R26 and R28, which may be identical or different, are chosen from linear or branched, saturated or unsaturated C13-C17 hydrocarbon-based groups, and preferably from linear or branched, saturated or unsaturated C13-C17 alkyl and alkenyl groups.
Advantageously, the hydrocarbon-based groups are linear.
Among the compounds of formula (IVa), mention may be made of the salts, notably the chloride or methyl sulfate of diacyloxyethyldimethylammonium, diacyloxy ethylhydroxy ethylmethylammonium,
monoacyloxy ethyldihydroxy ethylmethylammonium, triacyloxyethylmethylammonium or monoacyloxyethylhydroxyethyldimethylammonium, and mixtures thereof. The acyl groups preferably contain 14 to 18 carbon atoms and are derived more particularly from a plant oil such as palm oil or sunflower oil. When the compound contains several acyl groups, these groups may be identical or different.
These products are obtained, for example, by direct esterification of triethanolamine, triisopropanolamine, alkyldiethanolamine or alkyldiisopropanolamine, which are optionally oxyalkylenated, with fatty acids or with fatty acid mixtures notably of plant or animal origin, or by transesterification of the methyl esters thereof. This esterification may be followed by quaternization by means of an alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin. Such compounds are sold, for example, under the names Dehyquart® by the company Henkel, Stepanquat® by the company Stepan, Noxamium® by the company CECA or Rewoquat® WE 18 by the company Evonik.
The composition according to the invention may contain, for example, a mixture of quaternary ammonium monoester, diester and triester salts with a weight majority of diester salts. Use may also be made of the ammonium salts containing at least one ester function that are described in patents US-A-4 874 554 and US-A-4 137 180. Use may also be made of the behenoylhydroxypropyltrimethylammonium chloride sold, for example, by the company Kao under the name Quartamin BTC 131.
Preferably, the ammonium salts containing at least one ester function contain two ester functions.
Advantageously, when they are present in the anhydrous solid composition according to the invention, the cationic surfactant(s) viii) are present in a total content ranging from 0.01% to 5% by weight, preferably from 0.05% to 3% by weight and preferentially from 0.1% to 2% by weight, relative to the total weight of the composition.
The total content of surfactants present in the anhydrous solid composition according to the invention is preferably less than or equal to 60% by weight, more preferentially this total content ranges from 20% to 55% by weight, better still from
30% to 50% by weight and even better still from 35% to 45% by weight, relative to the total weight of the composition.
Additives
The anhydrous solid composition according to the present invention may also optionally comprise one or more additives, other than the compounds of the invention and among which mention may be made of anionic surfactants different from the anionic surfactants of the invention, nonionic surfactants, and mixtures thereof, anionic, nonionic or amphoteric polymers or mixtures thereof, antidandruff agents, anti-seborrhoea agents, vitamins and provitamins including panthenol, sunscreens, sequestrants, plasticizers, solubilizers, acidifying agents, alkaline agents, mineral or organic thickeners, notably polymeric thickeners, antioxidants, hydroxy acids, fragrances and preserving agents.
Needless to say, a person skilled in the art will take care to select this or these optional additional compounds such that the advantageous properties intrinsically associated with the composition according to the invention are not, or are not substantially, adversely affected by the envisaged addition(s).
The above additives may generally be present in an amount, for each of them, of between 0 and 20% by weight relative to the total weight of the composition.
A subject of the present invention is also a cosmetic treatment process, notably for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said keratin fibres of an anhydrous solid composition as defined above, the anhydrous solid composition being applied directly to said keratin fibres or after having been moistened beforehand with water.
The anhydrous solid composition according to the invention may be applied to dry or wet keratin fibres, preferably to wet keratin fibres.
The anhydrous solid composition thus applied may optionally be rinsed off or left on, after an optional leave-on time that may range from 1 to 15 minutes, preferably from 2 to 10 minutes.
Preferably, the anhydrous solid composition is rinsed off after application.
According to a first embodiment of the invention, the anhydrous solid composition is applied directly to the keratin fibres, i.e. without being moistened and/or broken down in water beforehand.
When, according to this first embodiment, the anhydrous solid composition of the invention is applied directly (i.e. without being moistened or broken down beforehand) to the dry keratin fibres, water may optionally be added to said fibres in order subsequently to rub/massage so as to dissolve/pre-emulsify said composition and to form an immediate abundant foam. The foam thus obtained can subsequently be rinsed out after an optional leave-on time.
Conversely, the anhydrous solid composition of the invention may also be applied directly (i.e. without moistening or breaking down beforehand) to the wet keratin fibres, followed by massaging/rubbing to break down the particles and to obtain an immediate abundant foam. The foam thus obtained can subsequently be rinsed out after an optional leave-on time.
According to another embodiment of the invention, the anhydrous solid composition is moistened and/or broken down beforehand in water before being applied to the keratin fibres. According to this embodiment, a small amount (preferably ranging from 1 to 3 g) of anhydrous solid composition is advantageously taken up and dissolved with water, for example in the hand, so as to form an immediate abundant foam. The foam thus obtained may then be applied to the wet or dry keratin fibres, before being optionally rinsed out with water after an optional leave-on time.
The present invention also relates to the use of an anhydrous solid composition as defined above for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
The present invention also relates to a packaging article, preferably a cosmetic packaging article, comprising:
- an envelope defining at least one cavity, the envelope comprising one or more water-soluble and/or liposoluble compounds;
- an anhydrous solid composition as defined above; it being understood that the anhydrous solid composition is in one of the cavities defined by the envelope.
The term “cosmetic packaging article” means an article that is suitable for cosmetic use; in particular for use of the packaging article on keratin fibres, notably the hair, and/or on the scalp. In particular, the packaging article makes it possible to wash and/or condition the keratin fibres, in particular human keratin fibres such as the hair.
Preferably, the packaging article according to the invention is water-soluble or liposoluble at a temperature of less than or equal to 35°C.
Preferably, the envelope of the packaging article according to the invention is water-soluble at a temperature of less than or equal to 35°C.
The term “water-soluble” means soluble in water, in particular in a proportion of at least 10 grams per liter of water, preferably at least 20 g/1, better still at least 50 g/1, at a temperature of less than or equal to 35°C. Thus, when water preferably having a temperature of less than 35°C is added to the packaging article, the envelope dissolves and releases the anhydrous solid composition present in one of the cavities of the envelope.
The term “liposoluble” means soluble in a liquid fatty substance as defined below, in particular in a proportion of at least 10 grams per liter of liquid fatty substance, in particular in a plant or mineral oil such as liquid petroleum jelly, preferably at least 20 g/1 in a liquid fatty substance, better still at least 50 g/1 in a fatty substance, at a temperature of less than or equal to 35°C.
The term “temperature of less than or equal to 35°C” means a temperature not exceeding 35°C but greater than or equal to 0°C, for example ranging from more than 1 to 35°C, preferably from 5 to 30°C, more preferentially from 10 to 30°C and better still from 15 to 25°C. It is understood that all the temperatures are given at atmospheric pressure (1 atm).
The packaging article may comprise one or more cavities, at least one of which contains the anhydrous solid composition as defined previously. Preferably, the packaging article comprises only one cavity in which the anhydrous solid composition is contained.
Advantageously, the envelope represents from 0.5% to 20% by weight, preferably from 1% to 15% by weight, more preferentially from 2% to 10% by weight and better still from 4% to 8% by weight relative to the total weight of the packaging article.
Advantageously, the anhydrous solid composition as defined previously represents from 80% to 99.5% by weight, preferably from 85% to 99% by weight, more preferentially from 90% to 98% by weight and better still from 92% to 96% by weight relative to the total weight of the packaging article.
The weight ratio between the total weight of the anhydrous solid composition of the invention and the total weight of the envelope advantageously ranges from 80/20 to 99/1, preferably from 85/15 to 98/2 and more preferentially from 90/10 to 97/3.
The envelope of the packaging article comprises one or more water-soluble and/or liposoluble compounds, preferably one or more water-soluble compounds advantageously chosen from water-soluble polymers and mixtures thereof.
The water-soluble polymer(s) that may be used according to the present invention contain water-soluble units in their backbones. The water-soluble units are obtained from one or more water-soluble monomers.
The term “water-soluble monomer” means a monomer whose solubility in water is greater than or equal to 1%, preferably greater than or equal to 5%, at 25°C and at atmospheric pressure (760 mmHg).
Said water-soluble polymer(s) that are capable of forming the envelope are advantageously obtained from water-soluble monomers including at least one double bond. These monomers may be chosen from cationic, anionic and nonionic monomers, and mixtures thereof.
As water-soluble monomers that may be used as precursors for the water- soluble units, alone or as a mixture, examples that may be mentioned include the following monomers, which may be in free or salified form:
- (meth)acrylic acid,
- styrenesulfonic acid,
- vinylsulfonic acid and (meth)allylsulfonic acid,
- vinylphosphonic acid,
- N-vinylacetamide and N-methyl-N-vinylacetamide,
- N-vinylformamide and N-methyl-N-vinylformamide,
- N-vinyllactams including a cyclic alkyl group containing from 4 to 9 carbon atoms, such as N-vinylpyrrolidone, N-butyrolactam and N-vinylcaprolactam,
- maleic anhydride,
- itaconic acid,
- vinyl alcohol of formula CH2=CHOH,
- vinyl acetate of formula CH2=CHOC(O)CH3,
- vinyl ethers of formula CH2=CHOR in which R is a linear or branched, saturated or unsaturated hydrocarbon-based radical containing from 1 to 6 carbon atoms;
- dimethyldiallylammonium halides (chloride),
- quaternized dimethylaminomethyl methacrylate (DMAEMA),
- (meth)acrylamidopropyltrimethylammonium halides (chloride) (APTAC and MAPTAC),
- methylvinylimidazolium halides (chloride),
- 2-vinylpyridine and 4-vinylpyridine,
- acrylonitrile,
- glycidyl (meth)acrylate,
- vinyl halides (chloride) and vinylidene chloride,
- the vinyl monomers having the following formula: H2C=C(R)-C(O)-X, in which:
- R is chosen from H, (Ci-Ce)alkyl such as methyl, ethyl and propyl, and
- X is chosen from:
- alkoxy groups of the type -OR’ in which R’ is a linear or branched, saturated or unsaturated hydrocarbon-based radical containing from 1 to 6 carbons, optionally substituted with at least one halogen (iodine, bromine, chlorine or fluorine); a group from among sulfonic (-SOs"), sulfate (SO ), phosphate (-PO4H2); hydroxyl (-OH); primary amine (-NH2); secondary amine (NHRe), tertiary amine (-NReR?) or quaternary amine (-NPReRvRs) with Re, R7 and Rs being, independently of each other, a linear or branched, saturated or unsaturated hydrocarbon-based radical containing 1 to 6 carbon atoms, with the proviso that the sum of the carbon atoms of R’ + Re + R7 + Rs does not exceed 6;
- groups -NH2, -NHR’ and -NR’R” in which R’ and R” are, independently of each other, linear or branched, saturated or unsaturated hydrocarbonbased radicals containing from 1 to 6 carbons, with the proviso that the total number of carbon atoms of R’ + R” does not exceed 6, said radicals R’ and R” being optionally substituted with a halogen (iodine, bromine, chlorine or fluorine); a group from among hydroxyl (-OH); sulfonic (-SO3-), sulfate (SO ), phosphate (-PO4H2); primary amine (-NH2); secondary amine (NHRe), tertiary amine (-NReR?) and/or quaternary amine (- N+ReR?Rs) with Re, R7 and Rs being, independently of each other, a linear or branched, saturated or unsaturated hydrocarbon-based radical containing 1 to 6 carbon atoms, with the proviso that the sum of the carbon atoms of R’ + R” + Re + R7 + Rs does not exceed 6. As compounds corresponding to this formula, examples that may be mentioned include N,N-dimethylacrylamide and N,N-diethylacrylamide;
- and mixtures thereof.
Anionic monomers that may notably be mentioned include (meth)acrylic acid, acrylamido-2-methylpropanesulfonic acid, itaconic acid and the salts thereof with an alkali metal, an alkaline-earth metal or ammonium or those derived from an organic amine such as an alkanolamine.
Nomomc monomers that may notably be mentioned include (meth)acrylamide, N-vinylformamide, N-vinyl acetamide and hydroxypropyl (meth)acrylate, vinyl alcohol of formula CH2=CHOH, and vinyl acetate of formula CH2=CHOC(O)CH3.
The cationic monomers are preferably chosen from quaternary ammonium salts derived from a diallylamine, and those corresponding to the following formula:
H2C=C(R1)-D-N+R2R3R4, X- in which:
• Ri represents a hydrogen atom or a methyl group,
• R2 and R3, which may be identical or different, represent a hydrogen atom or a linear or branched Ci to C4 alkyl group,
• R4 represents a hydrogen atom, a linear or branched C1-C4 alkyl group or an aryl group,
• D represents the following divalent unit: -(Y)n-(A)- in which:
- Y represents an amide function, an ester (O-C(O) or C(O)-O), a urethane or a urea,
- A represents a linear or branched, cyclic or acyclic Ci to Cio alkylene group, which may be substituted or interrupted with a divalent aromatic or heteroaromatic group. The alkylene groups may be interrupted with an oxygen atom, a nitrogen atom, a sulfur atom or a phosphorus atom; the alkylene possibly being interrupted with a ketone function, an amide, an ester (O-C(O) or C(O)-O), a urethane or a urea,
- n is an integer ranging from 0 to 1,
• X" represents an anionic counterion, for instance a chloride or a sulfate.
Examples of water-soluble cationic monomers that may notably be mentioned include the following compounds, and also the salts thereof: dimethylaminoethyl (meth)acrylate, (meth)acryloyloxyethyltrimethylammonium (meth)acrylate, (meth)acryloyloxyethyldimethylbenzylammonium (meth)acrylate, N-
[dimethylaminopropyl](meth)acrylamide (meth)acrylate,
(meth)acrylamidopropyltrimethylammonium (meth)acrylate,
(meth)acrylamidopropyldimethylbenzylammonium (meth)acrylate, dimethylaminohydroxypropyl (meth)acrylate,
(meth)acryloyloxyhydroxypropyltrimethylammonium (meth)acrylate,
(meth)acryloyloxyhydroxypropyldimethylbenzylammonium (meth)acrylate and dimethyldiallylammonium (meth)acrylate.
Among the water-soluble polymers that may be used according to the present invention, mention may also be made of polyhydroxyalcohol (PHA).
Preferably, the water-soluble polymers are polymerized from one or more monomers chosen from vinyl alcohol of formula CH2=CHOH, vinyl acetate of formula CH2=CHOC(O)CH3 and mixtures thereof.
The water-soluble polymers that are capable of forming the envelope of the packaging article may also be chosen from water-soluble polymers derived from natural products, such as polysaccharides, i.e. polymers bearing sugar units. These water-soluble polymers are different from the cationic polysaccharide(s) (v) present in the anhydrous solid composition.
The term “sugar unit” means a unit derived from a carbohydrate of formula Cn(H2O)n-i or (CH2O)n, which may be optionally modified by substitution and/or by oxidation and/or by dehydration. The sugar units that may be included in the composition of the polymers of the invention are preferably derived from the following sugars: glucose, galactose, arabinose, rhamnose, mannose, xylose, fucose, fructose, anhydrogalactose, galacturonic acid, glucuronic acid, mannuronic acid, galactose sulfate, anhydrogalactose sulfate.
The polymers bearing sugar unit(s) according to the invention may be of natural or synthetic origin. They may be nonionic, anionic, cationic or amphoteric. The base units of the polymers bearing a sugar unit of the invention may be monosaccharides or disaccharides.
As polymers that may be used, mention may notably be made of the following native gums, and also derivatives thereof: a) tree or shrub exudates, including:
- acacia gum (branched polymer of galactose, arabinose, rhamnose and glucuronic acid);
- ghatti gum (polymer derived from arabinose, galactose, mannose, xylose and glucuronic acid);
- karaya gum (polymer derived from galacturonic acid, galactose, rhamnose and glucuronic acid);
- gum tragacanth (or tragacanth) (polymer of galacturonic acid, galactose, fucose, xylose and arabinose); b) gums derived from algae, including:
- agar (polymer derived from galactose and anhydrogalactose);
- alginates (polymers of mannuronic acid and of glucuronic acid);
- carrageenans and furcellerans (polymers of galactose sulfate and of anhydrogalactose sulfate); c) gums derived from seeds or tubers, including:
- guar gum (polymer of mannose and galactose);
- locust bean gum (polymer of mannose and galactose);
- fenugreek gum (polymer of mannose and galactose);
- tamarind gum (polymer of galactose, xylose and glucose);
- konjac gum (polymer of glucose and mannose), the main constituent of which is glucomannan, which is a polysaccharide of high molecular weight (500 000 < Mgiucomannan < 2 000 000) composed of D-mannose and D-glucose units with a branch every 50 or 60 units approximately; d) microbial gums, including:
- xanthan gum (polymer of glucose, mannose acetate, mannose/pyruvic acid and glucuronic acid);
- gellan gum (polymer of partially acylated glucose, rhamnose and glucuronic acid);
- scleroglucan gum (glucose polymer);
- biosaccharide gum (polymer of galacturonic acid, fucose and D-galactose), e) plant extracts, including:
- cellulose (glucose polymer);
- starch (glucose polymer);
- inulin (polymer of fructose and glucose).
These polymers may be physically or chemically modified. A physical treatment that may notably be mentioned is the temperature. Chemical treatments that may be mentioned include esterification, etherification, amidation and oxidation reactions. These treatments can lead to polymers that may be nonionic, anionic, cationic or amphoteric.
Preferably, these chemical or physical treatments are applied to guar gums, locust bean gums, starches and celluloses.
The nonionic guar gums that may be used according to the invention may be modified with Ci to Ce hydroxyalkyl groups. Among the hydroxyalkyl groups, mention may be made of hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups.
These guar gums are well known in the prior art and may be prepared, for example, by reacting corresponding alkene oxides, for instance propylene oxides, with the guar gum so as to obtain a guar gum modified with hydroxypropyl groups.
The degree of hydroxyalkylation preferably ranges from 0.4 to 1.2 and corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum.
Such nonionic guar gums optionally modified with hydroxyalkyl groups are sold, for example, under the trade names Jaguar HP8, Jaguar HP60 and Jaguar HP120 by the company Rhodia Chimie.
The guar gums modified with cationic groups that may more particularly be used according to the invention are guar gums including trialkylammonium cationic groups. Preferably, 2% to 30% by number of the hydroxyl functions of these guar gums bear trialkylammonium cationic groups. Even more preferentially, 5% to 20% by number of the hydroxyl functions of these guar gums are branched with trialkylammonium cationic groups. Among these trialkylammonium groups, mention may most particularly be made of the trimethylammonium and triethylammonium groups. Even more preferentially, these groups represent from 5% to 20% by weight relative to the total weight of the modified guar gum.
According to the invention, guar gums modified with 2,3- epoxypropyltrimethylammonium chloride may be used.
These guar gums modified with cationic groups are products already known per se and are, for example, described in patents US 3 589 578 and US 4 013 307. Such products are moreover notably sold under the trade names Jaguar C I3S, Jaguar C15 and Jaguar C17 by the company Rhodia Chimie.
As modified locust bean gum, use may be made of cationic locust bean gum containing hydroxypropyltrimonium groups, such as Catinal CLB 200 sold by the company Toho.
The starch molecules used in the present invention may originate from any plant source of starch, notably cereals and tubers; more particularly, they may be starches from corn, rice, cassava, barley, potato, wheat, sorghum, pea, oat or tapioca. It is also possible to use hydrolysates of the starches mentioned above. The starch is preferably derived from potato.
The starches may be chemically or physically modified, notably by one or more of the following reactions: pregelatinization, oxidation, crosslinking, esterification, etherification, amidation, heat treatments.
More particularly, these reactions may be performed in the following manner:
- pregelatinization by splitting the starch granules (for example drying and cooking in a drying drum);
- oxidation with strong oxidizing agents, leading to the introduction of carboxyl groups into the starch molecule and to depolymerization of the starch molecule (for example by treating an aqueous starch solution with sodium hypochlorite);
- crosslinking with functional agents capable of reacting with the hydroxyl groups of the starch molecules, which will thus be bonded together (for example with glyceryl and/or phosphate groups);
- esterification in alkaline medium for the grafting of functional groups, notably Ci to Ce acyl (acetyl), Ci to Ce hydroxyalkyl (hydroxy ethyl or hydroxypropyl), carboxymethyl or octenylsuccinic.
Monostarch phosphates (of the type St-O-PO-(OX)2), di starch phosphates (of the type St-O-PO-(OX)-O-St) or even tristarch phosphates (of the type St-O-PO-(O- St)2) or mixtures thereof may notably be obtained by crosslinking with phosphorus compounds; with St meaning starch and X notably denoting alkali metals (for example sodium or potassium), alkaline-earth metals (for example calcium or magnesium), ammonia salts, amine salts such as salts of monoethanolamine, diethanolamine, triethanolamine or 3-amino-l,2-propanediol, and ammonium salts derived from basic amino acids such as lysine, arginine, sarcosine, ornithine or citrulline.
The phosphorus compounds may be, for example, sodium tripolyphosphate, sodium orthophosphate, phosphorus oxychloride or sodium trimetaphosphate.
Distarch phosphates or compounds rich in distarch phosphate may notably be mentioned, for instance the product sold under the references Prejel VA-70-T AGGL (gelatinized hydroxypropyl cassava distarch phosphate), Prejel TK1 (gelatinized cassava distarch phosphate) and Prejel 200 (gelatinized acetylated cassava distarch phosphate) by the company Avebe, or Structure Zea from National Starch (gelatinized corn distarch phosphate).
A preferred starch is a starch that has undergone at least one chemical modification such as at least one esterification.
According to the invention, use may also be made of amphoteric starches, comprising one or more anionic groups and one or more cationic groups. The anionic and cationic groups may be bonded to the same reactive site of the starch molecule or to different reactive sites; they are preferably bonded to the same reactive site. The
anionic groups may be of carboxylic, phosphate or sulfate type, preferably carboxylic.
The cationic groups may be of primary, secondary, tertiary or quaternary amine type.
The amphoteric starches are notably chosen from the compounds having the following formulae:
in which formulae (XI) to (XIV):
- St-0 represents a starch molecule;
- R, which may be identical or different, represents a hydrogen atom or a methyl radical;
- R’, which may be identical or different, represents a hydrogen atom, a methyl radical or a -C(O)-OH group;
- n is an integer equal to 2 or 3;
- M, which may be identical or different, denotes a hydrogen atom, an alkali metal or alkaline-earth metal such as Na, K or Li, a quaternary ammonium NH4, or an organic amine; and
- R” represents a hydrogen atom or a Ci-Cis alkyl radical.
These compounds are notably described in patents US 5 455 340 and US 4 017 460.
Starches of formula (XII) or (XIII), and preferentially starches modified with 2-chloroethylaminodipropionic acid are particularly used, i.e. starches of formula (XII) or (XIII) in which R, R’, R” and M represent a hydrogen atom and n is equal to 2. Preferably, the amphoteric starch is a starch chloroethylamido dipropionate.
The celluloses and cellulose derivatives may be anionic, cationic, amphoteric or nonionic.
Among these derivatives, cellulose ethers, cellulose esters and cellulose ester ethers are distinguished.
Among the cellulose esters, mention may be made of inorganic esters of cellulose (cellulose nitrates, sulfates or phosphates), organic esters of cellulose (cellulose monoacetates, triacetates, amidopropionates, acetatebutyrates, acetatepropionates or acetatetrimellitates), and mixed organic/inorganic esters of cellulose, such as cellulose acetatebutyrate sulfates and cellulose acetatepropionate sulfates.
Among the cellulose ester ethers, mention may be made of hydroxypropylmethylcellulose phthalates and ethylcellulose sulfates.
Among the nonionic cellulose ethers that may be mentioned are alkylcelluloses such as methylcelluloses and ethylcelluloses (for example Ethocel Standard 100 Premium from Dow Chemical); hydroxyalkylcelluloses such as hydroxymethylcelluloses and hydroxy ethylcelluloses (for example Natrosol 250 HHR sold by Aquaion) and hydroxypropylcelluloses (for example Klucel EF from Aquaion); mixed hydroxyalkyl-alkylcelluloses such as hydroxypropylmethylcelluloses (for example Methocel E4M from Dow Chemical), hydroxy ethylmethylcelluloses, hydroxy ethylethylcelluloses (for example Bermocoll E 481 FQ from Akzo Nobel) and hydroxybutylmethylcelluloses.
Among the anionic cellulose ethers, mention may be made of carboxyalkylcelluloses and salts thereof. Examples that may be mentioned include carboxymethylcelluloses, carboxymethylmethylcelluloses (for example Blanose 7M from the company Aquaion) and carboxymethylhydroxyethylcelluloses, and also the sodium salts thereof.
Among the cationic cellulose ethers, mention may be made of crosslinked or non-crosslinked quatemized hydroxyethylcelluloses. The quatemizing agent may notably be diallyldimethylammonium chloride (for example Celquat L200 from National Starch). Another cationic cellulose ether that may be mentioned is hydroxypropyltrimethylammonium hydroxyethyl cellulose (for example Ucare Polymer JR 400 from Amerchol).
Among the associative polymers bearing sugar unit(s), mention may be made of celluloses or derivatives thereof, modified with groups including at least one fatty chain such as alkyl, arylalkyl or alkylaryl groups or mixtures thereof, in which the alkyl groups are C8-C22; nonionic alkylhydroxyethylcelluloses such as the products Natrosol Plus Grade 330 CS and Polysurf 67 (Ci6 alkyl) sold by the company Aquaion;
quatermzed alkylhydroxy ethylcelluloses (cationic) such as the products Quatnsoft LM 200, QuatrisoftLM-X 529-18-A, QuatrisoftLM-X5 29-18-B (C12 alkyl) and Quatrisoft LM-X 529-8 (Cis alkyl) sold by the company Amerchol, the products Crodacel QM, Crodacel QL (C 12 alkyl) and Crodacel QS (Cis alkyl) sold by the company Croda and the product Softcat SL 100 sold by the company Amerchol; nonionic nonoxynylhydroxy ethylcelluloses such as the product Amercell HM-1500 sold by the company Amerchol; nonionic alkylcelluloses such as the product Bermocoll EHM 100 sold by the company Berol Nobel.
As associative polymers bearing sugar unit(s) derived from guar, mention may be made of hydroxypropyl guars modified with a fatty chain, such as the product Esaflor HM 22 (modified with a C22 alkyl chain) sold by the company Lamberti; the product Miracare XC 95-3 (modified with a C14 alkyl chain) and the product RE 205- 146 (modified with a C20 alkyl chain) sold by Rhodia Chimie.
The water-soluble polymer(s) bearing sugar unit(s) that may be used to form the envelope of the packaging article are preferably chosen from guar gums, locust bean gums, xanthan gums, starches and celluloses, in their modified (derived) form or unmodified form.
Preferably, said polymer(s) bearing sugar unit(s) are nonionic.
The water-soluble polymers described above more particularly have a weightaverage molecular weight (Mw) of greater than 1 000 000 and preferably between 1 000000 and 50 000 000. The molecular weight is determined by the RSV (Reduced Specific Viscosity) method as defined in “Principles of Polymer Chemistry” Cornell University Press, Ithaca, NY 1953 Chapter VII “Determination of Molecular Weight” pages 266-316.
The water-soluble or liposoluble compound(s) that are capable of forming the envelope of the packaging article according to the invention may be in fibre or film form.
According to a first embodiment, the water-soluble or liposoluble compound(s) are in the form of fibres. The term “fibre” refers to any object whose length is greater than its cross section. In other words, it should be understood as referring to an object of length L and of diameter D such that L is greater and preferably very much greater (i.e. at least three times greater) than D, D being the diameter of the circle in which the cross section of the fibre is inscribed. In particular, the ratio L/D (or aspect ratio) is chosen in the range extending from 3.5 to 2500, preferably from 5 to 500, and better still from 5 to 150. The cross section of a fibre may be of any shape:
round, serrated or crenellated, or else bean-shaped, but also multilobal, in particular trilobal or pentalobal, X-shaped, in strip form, square, triangular, elliptical or the like. The fibres of the invention may or may not be hollow.
According to this embodiment, the fibres may be spun, carded or twisted. Advantageously, the fibres used in the context of the present invention are spun. The mean diameter of the fibres used according to the present invention, which may be identical or different, is less than 500 pm. Advantageously, such a diameter is less than 200 pm, preferably less than 100 pm, or even less than 50 pm.
Mention may be made more particularly of water-soluble fibres which include fibres based on PVA (polyvinyl alcohol), fibres of polysaccharides such as glucomannans, starches, celluloses such as carboxymethylcelluloses, polyalginic acid fibres, polylactic acid fibres and polyalkylene oxide fibres, and also mixtures thereof. More preferentially, the water-soluble fibre(s) used in the invention are chosen from PVA-based fibres.
The fibres of the envelope are generally entangled. The term “envelope comprising water-soluble fibres” means an envelope which may consist entirely of water-soluble fibres which may include both fibres that are water-soluble and fibres that are water-insoluble at a temperature of less than or equal to 35°C, the soluble fibres needing to be in larger amount than the insoluble fibres. The envelope of the fibres must include at least 60% by weight of soluble fibres, preferably at least 70% and better still at least 80% by weight relative to the total weight of the fibres. It may thus include, for example, more than 95% by weight, or even more than 99% by weight and even 100% by weight of water-soluble fibres relative to the total weight of the fibres of the envelope.
When the envelope contains insoluble fibres, these may be made of any material commonly used as insoluble fibres; they may be, for example, silk, cotton, wool, flax, polyamide (Nylon®), polylactic acid, modified cellulose (rayon, viscose, rayon acetate), poly-p-phenylene terephthalamide, notably Kevlar®, polyolefin and notably polyethylene or polypropylene, glass, silica, aramid, carbon, notably in graphite form, Teflon®, insoluble collagen, polyester, polyvinyl chloride or polyvinylidene chloride or polyethylene terephthalate fibres, or fibres formed from a mixture of the compounds mentioned above, such as polyamide/polyester or viscose/polyester fibres.
In addition, when the envelope contains fibres, it may be woven or nonwoven.
According to a first variant of the invention, the envelope may be woven. In the context of the present invention, a “woven” material results from an organized assembly of fibres, in particular of water-soluble polymeric fibres, and more particularly of an intercrossing, in the same plane, of said fibres, arranged in the direction of the warp and of fibres arranged, perpendicular to the warp fibres, in the direction of the weft. The bonding obtained between these warp and weft fibres is defined by a weave.
Such a woven material results from an operation directed towards assembling the fibres in an organized manner such as weaving per se, but may also result from knitting.
According to another variant of the invention, the envelope is nonwoven.
For the purposes of the present invention, the term “nonwoven fabric” refers to a substrate comprising fibres, in particular water-soluble polymeric fibres, in which the individual fibres are arranged in a disordered manner in a structure in the form of a lap and which are neither woven nor knitted. The fibres of the nonwoven fabric are generally bonded together, either under the effect of a mechanical action (for example needle punching, air jet or water jet), or under the effect of a thermal action, or by addition of a binder.
Such a nonwoven fabric is, for example, defined by the standard ISO 9092 as a web or lap of directionally or randomly oriented fibres, bonded by friction and/or cohesion and/or adhesion, excluding paper and products which are woven, knitted, tufted or stitch-bonded incorporating bonding yarns or filaments.
A nonwoven fabric differs from a paper by the length of the fibres used. In paper, the fibres are shorter. However, there are nonwoven fabrics based on cellulose fibre, which are manufactured by a wet-laid process and which have short fibres like in paper. The difference between a nonwoven fabric and a paper is generally the absence of hydrogen bonding between the fibres in a nonwoven fabric.
Very preferentially, the fibres used in the context of the present invention are chosen from synthetic fibres such as PVA fibres. In particular, the envelope is nonwoven, and is preferentially made of nonwoven PVA fibres.
To make the nonwoven envelope of the packaging article, use is preferably made of PVA fibres that are soluble in water at a temperature of less than or equal to 35°C, for instance the fibres sold by the Japanese company Kuraray under the name Kuralon K-II, and particularly the grade WN2 which is soluble at and above 20°C. These fibres are described in EP -A- 636 716 which teaches the manufacture of PVA
fibres that are soluble in water at temperatures not exceeding 100°C, by spinning and drawing of the wet or dry polyvinyl alcohol polymer in the presence of solvents participating in the dissolution and solidification of the fibre. The fibre thus obtained may lead to the production of woven or nonwoven substrates.
These fibres may also be prepared from a solution to be spun, by dissolving a water-soluble PVA-based polymer in a first organic solvent, spinning of the solution in a second organic solvent to obtain solidified filaments and wet drawing of the filaments, from which the first solvent is removed, followed by drying and subjecting to a heat treatment. The cross section of these fibres may be substantially circular. These fibres have a tensile strength of at least 2.7 g/dtex (3 g/d). Patent application EP- A-0 636 716 describes such water-soluble PVA-based fibres and the process for manufacturing them. For example, the fibres may also be formed by extrusion and deposited on a conveyor to form a lap of fibres which is then consolidated via a conventional fibre bonding technique, for instance needle punching, hot bonding, calendering or air-through bonding, in which technique the water-soluble lap passes through a tunnel into which hot air is blown, or spunlacing directed towards bonding the fibres under the action of fine jets of water at very high pressure, which cannot be applied to fibres whose dissolution temperature is too low pressure.
As has been seen previously, the invention is not limited to the use of PVA, and use may also be made of fibres made from other water-soluble materials provided that these materials dissolve in water having the desired temperature, for example the polysaccharide fibres sold under the name Lysorb by the company Lysac Technologies Inc. or other fibres based on polysaccharide polymers such as glucomannans or starch.
The envelope may comprise a mixture of different fibres that are soluble in water at different temperatures (up to 35°C).
The fibres may be composite, and they may include, for example, a core and a sheath which are not of the same nature, for example formed from different grades of PVA.
According to a particular embodiment of the invention, the envelope is a nonwoven fabric, including water-soluble fibres, alone or as a mixture with insoluble fibres as indicated above, with not more than 40% by weight of insoluble fibres relative to the total weight of the fibres constituting the lap. Preferably, the nonwoven fabric consists essentially of water-soluble fibres, i.e. it does not contain any insoluble fibres.
According to another embodiment of the invention, the envelope of the packaging article may consist of one or more films, which each comprise one or more
water-soluble and/or liposoluble compounds, notably as defined above. When the envelope consists of several films, said films may be assembled, for example bonded together, so as to form a single unified film.
The thickness of the “overall” film (i.e. the thickness of the single film when the envelope contains only one or of the unified film when the envelope contains several films) is advantageously between 10 and 1000 microns, preferably between 10 and 800 microns and more preferentially between 15-500 microns.
The term “film” notably means a continuous layer preferentially formed from one or more water-soluble and/or liposoluble compounds as defined above, in particular of polymer(s).
The main industrial methods for the production of polymer films are extrusion of a molten polymer, casting of a solution of a polymer onto a polished metal surface (in certain cases, the polymer solution is introduced into a precipitation tank), casting of a dispersion of the polymer onto a polished surface, and calendering.
The films that may be used according to the present invention may be chosen from film-multilayer film, film-paper (laminating) and film-coating.
During application by spraying, brushing or various industrial processes, the surface coatings undergo what is known as the formation of a film, and notably of filmcoating. In the majority of the film-forming processes, a liquid coating of relatively low viscosity is applied to a solid substrate and is hardened as a solid adherent film based on high molecular weight polymer having the properties desired by the user.
The films that may be used according to the present invention are notably PVA films which may be manufactured via any industrial production method, such as a method of casting a PVA-based polymer solution, a method of extrusion in the presence or absence of water, a dry-extrusion moulding method or a biaxial orientation method.
The packaging article, and the envelope, may have any shape that is suitable for the intended use, for example a rectangular, round or oval shape. Preferably, it has a rounded geometry, for example in the form of a sphere, a disc or an oval, or else a square or parallelepipedal geometry preferably with rounded corners. The envelope preferably has dimensions allowing it to be taken up between at least two fingers. Thus, it may, for example, have an ovoid shape about 2 to 10 cm long and about 0.5 to 4 cm wide, or a circular disc shape about 2 to 10 cm in diameter, or a square shape with a side length of about 2 to 15 cm, or a rectangular shape with a length of about 2 to
25 cm, it being understood that it may have any other shape and size that are suitable for the intended use.
Preferably, the envelope may be of round shape with an inside diameter ranging from 3 to 7 cm, more preferentially from 4 to 5 cm; to which may be added the dimension of the edges (sealed part) which may range from 1 to 5 mm, better still from 2 to 4 mm; and a height ranging from 2 to 7 mm, preferentially from 3 to 5 mm.
The envelope may also be of square or rectangular shape with a length preferably ranging from 2 to 6 cm, more preferentially from 3 to 5 cm, and a width preferably ranging from 2 to 5 cm, more preferentially 2.5 to 4 cm; to which may be added the dimension of the edges (sealed part) which may preferably range from 1 to 5 mm, and more preferentially from 2 to 4 mm.
Advantageously, the envelope has a low thickness, and may consist of several layers of different materials. Preferably, the thickness of the envelope ranges from 3% to 99.9% of its other dimensions. The envelope is thus substantially flat, with thin edge profiles.
The area delimiting the cavity or cavities has an extent advantageously less than 625 cm2, preferably between 0.025 cm2 and 400 cm2, more preferentially between 1 and 200 cm2, better still between 2 and 50 cm2 and even better still between 4 and 25 cm2, so as to have optimized compacting of the composition. It has been observed that when the area of the article is within the above ranges, the compacting of the anhydrous solid composition made of powder is lower and the transformation of the powder into a fluid composition in the hands is easier, without any formation of agglomerates.
Preferably, the height of the envelope is greater than or equal to 2 mm, more preferentially ranging from 2 to 10 mm and better still from 3 to 7 mm.
Preferably, the film(s) used in the context of the present invention are chosen from synthetic films such as PVA or PVOH films, and also mixtures thereof.
Preferably, the envelope consists of several layers, for example two or three layers, of films which are each preferably made of different materials. Advantageously, at least one of these films is a film comprising or consisting of PVA and/or PVOH.
Preferably, the film(s) are sealed so as to form one or more cavities which will comprise the anhydrous solid composition of the invention and will prevent it from escaping.
Advantageously, the packaging article comprises from 1 to 5 g and preferably from 2 to 4.5 g of anhydrous solid composition; and from 0.1 to 0.8 g and preferably from 0.2 to 0.5 g of envelope.
The present invention also relates to a cosmetic process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising a step of using a packaging article as defined above; preferably, said cosmetic treatment process comprises the following steps: i) mixing the packaging article in a composition that is capable of dissolving, totally or partially, the envelope of said packaging article, ii) applying the composition obtained in step i) to the keratin fibres, iii) optionally leaving in place, iv) rinsing said keratin fibres, and v) optionally drying said keratin fibres.
It is understood that the composition that is suitable for dissolving the envelope depends on the nature of the envelope. In other words, the composition that is suitable for dissolving the envelope is water or an aqueous composition when the packaging article predominantly or solely contains a hydrophilic envelope. Further, the composition that is suitable for dissolving the envelope is an anhydrous organic composition or an aqueous composition comprising at least one liquid fatty substance or at least one organic solvent other than liquid fatty substances such as lower monoalcohols, for example ethanol, or such as polyols, for example propylene glycol or glycerol, when the packaging article predominantly or solely contains a lipophilic envelope.
Thus, the aqueous composition may simply be water. The aqueous composition may optionally comprise at least one polar solvent. Among the polar solvents that may be used in this composition, mention may be made of organic compounds that are liquid at room temperature (25°C) and at least partially water- miscible.
Examples that may be mentioned more particularly include alkanols such as ethyl alcohol and isopropyl alcohol, aromatic alcohols such as benzyl alcohol and phenylethyl alcohol, or polyols or polyol ethers, for instance ethylene glycol monomethyl ether, monoethyl ether and monobutyl ether, propylene glycol or ethers thereof, for instance propylene glycol monomethyl ether, butylene glycol, dipropylene glycol, and also diethylene glycol alkyl ethers, for instance diethylene glycol monoethyl ether or monobutyl ether.
More particularly, if one or more solvents are present, their respective content in the aqueous composition ranges from 0.5% to 20% by weight and preferably from 2% to 10% by weight relative to the weight of said aqueous composition.
The dilution ratio (expressed by weight) between one or more packaging articles, as defined previously, and the composition that is suitable for dissolving the packaging article(s) is preferably between 10/90 and 90/10 and more preferentially between 10/90 and 50/50. Better still, this dilution ratio is 20/80.
In particular, the composition obtained on conclusion of the mixing (step i) of the process) may be applied to wet or dry keratin fibres. It is advantageously left in place on the keratin fibres for a time generally ranging from 1 to 15 minutes, preferably from 2 to 10 minutes.
The keratin fibres are then rinsed with water. They may optionally be washed with a shampoo, followed by rinsing with water, before being dried or left to dry.
The present invention also relates to the use of a packaging article as defined previously for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
The examples that follow serve to illustrate the invention without, however, being limiting in nature.
Examples
In the examples below, all the quantities are indicated, unless indicated otherwise, as mass percentages of active material relative to the total weight of the composition.
Example 1
Composition A according to the invention and comparative composition B were prepared from the ingredients whose contents are indicated , unless indicated otherwise, as mass percentages of active material relative to the total weight of the composition in the tables below (%AM):
The smooth-feel performance of each of the compositions A and B was evaluated by the protocol described below.
• Protocol 0.1 g of composition is placed in a small dish and then 0.3 g of water at 37°C is applied to the composition by means of a disposable pipet and then mixed by means of a spatula until homogeneity.
The contents of the dish are then applied to a lock of lightly sensitized hair (1 g) which has been moistened beforehand, and are left to act for 1 minute. The hair lock is subsequently rinsed with water for 10 seconds, with the lock being kneaded before being disentangled by means of a comb.
The lock is subsequently passed under water for 2 seconds before being wrung out using tongs.
A measurement is then made of the frictional forces of a lockwhen it is moved (in the root/tip direction) at constant speed (2 mm/s) between two neoprene pads holding said lock under constant compression. This method thus enables an evaluation of the “smooth feel” by imitating the passage of two fingers along a lock of hair. The lower the forces needed to traverse the lock over its length, the smoother the surface condition of the hair, and hence the greater the sensation of “smooth feel”.
• Results
The results are given below, and represent an average for 6 hair locks per composition tested, both on wet hair and on dry hair. [Table 2
Composition A according to the invention requires a lower force and therefore has better smooth-feel performance, both on wet hair and on dry hair.
Moreover, composition A thus prepared is packaged in powder form in a water-soluble PVOH-based sachet. The packaging article thus obtained can then be used as a washing composition: it is placed in the palm of the hand, water is added to dissolve it and optionally to form a foam, and it is then applied onto the hair, which has preferably been moistened beforehand.
Claims
1. A solid composition comprising: i) one or more anionic surfactants of carboxylate type, ii) one or more amphoteric or zwitterionic surfactants, and iii) one or more silicones, the composition comprising a water content of less than 5% by weight, relative to the total weight of the composition.
2. Composition according to Claim 1, characterized in that the anionic surfactant(s) of carboxylate type i) are chosen from the compounds of formula (II):
R- (OCH2CH2)nW-(CHYi)P-COOX (II) formula (II), in which:
- Yi denotes a hydrogen atom, a group (CH2)qCOOX or a hydroxyl group;
- W denotes an oxygen atom, a group (O-Glu-O)r-(COCH(Y2)- (C(OH)COOX)t)s or a group CO-NR3;
- Y2 denotes a hydrogen atom or a hydroxyl group;
- R3 denotes a hydrogen atom or a methyl group;
- X denotes a hydrogen atom, an ammonium ion, an ion obtained from an alkali metal or alkaline-earth metal, or an ion obtained from an organic amine;
- R denotes a linear or branched, preferably linear, alkyl group comprising from 8 to 30 carbon atoms, preferably from 8 to 26 carbon atoms, and more preferentially from 10 to 22 carbon atoms;
- Glu denotes a divalent radical obtained from glucopyranose with removal of 2 hydroxyl groups;
- p is equal to 0 or 1;
- q denotes an integer ranging from 1 to 10;
- n denotes an integer ranging from 0 to 50;
- r denotes a number ranging from 1 to 10;
- s is equal to 0 or 1; and
- 1 is equal to 0 or 1.
3. Composition according to either of the preceding claims, characterized in that the total content of anionic surfactant(s) of carboxylate type i) ranges from 1% to
68
40% by weight, preferably from 2% to 35% by weight, more preferentially from 5% to 30% by weight and better still from 10% to 25% by weight, relative to the total weight of the composition.
4. Composition according to any one of the preceding claims, characterized in that the amphoteric or zwitterionic surfactant(s) ii) are chosen from (Cs- C2o)alkylbetaines, (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof, and preferably from (Cs-C2o)alkylamido(C3-Cs)alkylbetaines and mixtures thereof.
5. Composition according to any one of the preceding claims, characterized in that the total content of the amphoteric or zwitterionic surfactant(s) ii) ranges from 1% to 30% by weight, more preferentially from 2% to 25% by weight and even better still from 5% to 20% by weight, relative to the total weight of the composition.
6. Composition according to any one of the preceding claims, characterized in that the silicone(s) iii) are chosen from amino silicones.
7. Composition according to any one of the preceding claims, characterized in that the total content of the silicone(s) iii) ranges from 0.1% to 15% by weight, preferably from 0.5% to 10% by weight, more preferentially from 1% to 5% by weight, relative to the total weight of the composition.
8. Composition according to any one of the preceding claims, characterized in that it further comprises one or more anionic surfactants iv) different from the anionic surfactants of carboxylate type i), preferably chosen from anionic surfactants of sulfonate type and more preferentially from acyl(Cs-C3o)isethionates and mixtures thereof, used in the form of salts, and even better still in the form of alkali metal or alkaline-earth metal salts, and especially of sodium or magnesium salts.
9. Composition according to the preceding claim, characterized in that the total content of the anionic surfactant(s) iv) ranges from 1% to 30% by weight, preferably from 3% to 25% by weight, more preferentially from 5% to 20% by weight, and even better still from 8% to 16% by weight, relative to the total weight of the composition.
69
10. Composition according to any one of the preceding claims, characterized in that it also comprises one or more fillers v), preferably chosen from polymeric organic fillers and mixtures thereof, preferably from cyclodextrins, starches, alginates, gellans, guar gums, celluloses, wood flours, crosslinked polyvinylpyrrolidones, polyacrylates and mixtures thereof, and more preferentially from starches and mixtures thereof.
11. Composition according to the preceding claim, characterized in that the total content of the filler(s) v) is greater than or equal to 20% by weight, preferably greater than or equal to 30% by weight, more preferentially greater than or equal to 35% by weight, better still ranges from 20% to 80% by weight, preferably from 30% to 70% by weight and more preferentially from 35% to 60% by weight, relative to the total weight of the composition.
12. Composition according to any one of the preceding claims, characterized in that it also comprises one or more cationic polymers vi), preferably chosen from:
(1) homopolymers or copolymers derived from acrylic or methacrylic esters or amides and including at least one of the units having the following formulae:
- Rs, which may be identical or different, denote a hydrogen atom or a CHs radical; - A, which may be identical or different, represent a linear or branched divalent alkyl group of 1 to 6 carbon atoms, preferably 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms;
- R4, R5 and Re, which may be identical or different, represent an alkyl group containing from 1 to 18 carbon atoms or a benzyl radical; - Ri and R2, which may be identical or different, represent a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms; and
- X denotes an anion derived from a mineral or organic acid, such as a methosulfate anion or a halide such as chloride or bromide;
(2) cationic polysaccharides;
(3) polymers formed from piperazinyl units and divalent alkylene or hydroxyalkylene radicals containing linear or branched chains, optionally interrupted
71 with oxygen, sulfur or nitrogen atoms or with aromatic or heterocyclic rings, and also the oxidation and/or quaternization products of these polymers;
(4) water-soluble polyamino amides prepared in particular by polycondensation of an acidic compound with a polyamine;
(5) polyamino amide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation with difunctional agents;
(6) polymers obtained by reacting a polyalkylene polyamine including two primary amine groups and at least one secondary amine group with a dicarboxylic acid chosen from diglycolic acid and saturated aliphatic dicarboxylic acids containing from 3 to 8 carbon atoms;
(7) alkyldiallylamine or dialkyldiallylammonium cyclopolymers;
(8) quaternary diammonium polymers comprising repeating units of formula (VIII):
in which formula (VIII):
- RB, R14, RB and Ri6, which may be identical or different, represent aliphatic, alicyclic or arylaliphatic radicals containing from 1 to 20 carbon atoms or lower hydroxyalkylaliphatic radicals, or alternatively RB, Ri4, Ri5 and Ri6, together or separately, constitute, with the nitrogen atoms to which they are attached, heterocycles optionally comprising a second non-nitrogen heteroatom, or alternatively RB, Ri4, RB and Ri6 represent a linear or branched Ci to Ce alkyl radical substituted with a nitrile, ester, acyl or amide group or a group -CO-O-R17-D or -CO-NH-R17-D where R17 is an alkylene and D is a quaternary ammonium group;
- Ai and Bi represent divalent polymethylene groups comprising from 2 to 20 carbon atoms which may be linear or branched, and saturated or unsaturated, and which may contain, linked to or inserted in the main chain, one or more aromatic rings, or one or more oxygen or sulfur atoms or sulfoxide, sulfone, disulfide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups; and
- X" denotes an anion derived from a mineral or organic acid; it being understood that Ai, RB and R15 can form, with the two nitrogen atoms to which they are attached, a piperazine ring;
72 in addition, if Ai denotes a linear or branched, saturated or unsaturated alkylene or hydroxyalkylene radical, Bi can also denote a group (CH2)nCO-D-OC- (CH2)n- in which D denotes: a) a glycol residue of formula -O-Z-O-, in which Z denotes a linear or branched hydrocarbon-based radical or a group corresponding to one of the following formulae: -(CH2-CH2-O)x-CH2-CH2- and -[CH2CH(CH3)-O]y-CH2-CH(CH3)-, where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing an average degree of polymerization; b) a bis-secondary diamine residue, such as a piperazine derivative; c) a bis-primary diamine residue of formula: -NH-Y-NH-, where Y denotes a linear or branched hydrocarbon-based radical, or alternatively the divalent radical -CH2-CH2-S-S-CH2-CH2-; or d) a ureylene group of formula: -NH-C0-NH-;
- Ris, R19, R20 and R21, which may be identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, P-hydroxyethyl, P-hydroxypropyl or -CH2CH2(OCH2CH2)POH radical, where p is equal to 0 or to an integer of between 1 and 6, with the proviso that Ris, R19, R20 and R21 do not simultaneously represent a hydrogen atom,
- r and s, which may be identical or different, are integers between 1 and 6,
- q is equal to 0 or to an integer between 1 and 34,
- X" denotes an anion, such as a halide, and
- A denotes a dihalide radical or preferably represents -CH2-CH2-O-CH2- CH2-;
(10) quaternary vinylpyrrolidone and vinylimidazole polymers;
(11) polyamines; and
(12) polymers including in their structure:
13. Composition according to the preceding claim, characterized in that the total content of the cationic polymer(s) vi) is greater than or equal to 0.05% by weight, preferably ranges from 0.05% to 5% by weight, more preferentially from 0.1% to 2% by weight and even more preferentially from 0.2% to 1.5% by weight, relative to the total weight of the composition.
14. Composition according to any one of the preceding claims, characterized in that it also comprises one or more organic solvents vii), preferably chosen from polyols and mixtures thereof.
15. Composition according to the preceding claim, characterized in that the total content of the organic solvent(s) vii) is less than or equal to 20% by weight, preferably less than or equal to 15% by weight, and more preferentially ranges from 0.5% to 12% by weight, relative to the total weight of the composition.
16. Cosmetic process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said keratin fibres of a solid composition as defined in any one of the preceding claims, the solid composition being applied directly to said keratin fibres or after having been moistened beforehand with water.
17. Packaging article comprising:
- an envelope defining at least one cavity, the envelope comprising one or more water-soluble and/or liposoluble compounds;
- a solid composition as defined in any one of Claims 1 to 15, it being understood that the solid composition is in one of the cavities defined by the envelope.
18. Cosmetic process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising a step of using a packaging article as defined in Claim 17; preferably, said cosmetic treatment process comprises the following steps: i) mixing the packaging article in a composition that is capable of dissolving, totally or partially, the envelope of said packaging article, ii) applying the composition obtained in step i) to the keratin fibres, iii) optionally leaving to stand, iv) rinsing said keratin fibres, and v) optionally drying said fibres.
19. Use of a solid composition as defined in any one of Claims 1 to 15 or of a packaging article as defined in Claim 17, for washing and/or conditioning keratin fibres, in particular human keratin fibres such as the hair.
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FRFR2012592 | 2020-12-03 | ||
FR2012592A FR3117020B1 (en) | 2020-12-03 | 2020-12-03 | Anhydrous solid composition comprising carboxylate and amphoteric or zwitterionic surfactants and silicones |
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DE202024100742U1 (en) | 2023-01-25 | 2024-04-04 | The Procter & Gamble Company | Recyclable packaging of absorbent articles |
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FR3141335A1 (en) * | 2022-10-26 | 2024-05-03 | L'oreal | Solid composition comprising a cationic surfactant, a starch, a polyol and a cationic polymer |
FR3141339A1 (en) * | 2022-10-26 | 2024-05-03 | L'oreal | SOLID COMPOSITION COMPRISING A CATIONIC SURFACTANT, TWO STARCHES, A LIQUID FAT AND A SPECIFIC QUANTITY OF WATER |
FR3141337A1 (en) * | 2022-10-26 | 2024-05-03 | L'oreal | SOLID COMPOSITION COMPRISING A CATIONIC SURFACTANT, A STARCH, AN AMPHOTERIC SURFACTANT AND A FAT |
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DE202024100742U1 (en) | 2023-01-25 | 2024-04-04 | The Procter & Gamble Company | Recyclable packaging of absorbent articles |
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FR3117020A1 (en) | 2022-06-10 |
FR3117020B1 (en) | 2023-12-22 |
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