EP0123423B1 - Compositions détergentes, détergents liguides et méthodes pour leur préparation - Google Patents
Compositions détergentes, détergents liguides et méthodes pour leur préparation Download PDFInfo
- Publication number
- EP0123423B1 EP0123423B1 EP84301902A EP84301902A EP0123423B1 EP 0123423 B1 EP0123423 B1 EP 0123423B1 EP 84301902 A EP84301902 A EP 84301902A EP 84301902 A EP84301902 A EP 84301902A EP 0123423 B1 EP0123423 B1 EP 0123423B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- composition
- composition according
- glyceryl
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000203 mixture Substances 0.000 title claims description 156
- 239000003599 detergent Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 20
- 238000002360 preparation method Methods 0.000 title description 2
- 239000000654 additive Substances 0.000 claims description 37
- 230000000996 additive effect Effects 0.000 claims description 36
- 239000002243 precursor Substances 0.000 claims description 31
- 239000004094 surface-active agent Substances 0.000 claims description 27
- 239000003945 anionic surfactant Substances 0.000 claims description 26
- 239000007844 bleaching agent Substances 0.000 claims description 26
- 125000005908 glyceryl ester group Chemical group 0.000 claims description 22
- 125000000129 anionic group Chemical group 0.000 claims description 20
- 239000002736 nonionic surfactant Substances 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 15
- 239000003352 sequestering agent Substances 0.000 claims description 15
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 claims description 14
- 239000004615 ingredient Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 150000004965 peroxy acids Chemical class 0.000 claims description 9
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims description 8
- 150000003138 primary alcohols Chemical class 0.000 claims description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 150000004967 organic peroxy acids Chemical class 0.000 claims description 3
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 claims description 3
- 150000005691 triesters Chemical class 0.000 claims description 3
- XSVSPKKXQGNHMD-UHFFFAOYSA-N 5-bromo-3-methyl-1,2-thiazole Chemical compound CC=1C=C(Br)SN=1 XSVSPKKXQGNHMD-UHFFFAOYSA-N 0.000 claims description 2
- 238000010936 aqueous wash Methods 0.000 claims description 2
- 150000005690 diesters Chemical class 0.000 claims description 2
- 150000002190 fatty acyls Chemical group 0.000 claims 1
- 150000002194 fatty esters Chemical class 0.000 claims 1
- 239000011236 particulate material Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 62
- 239000000047 product Substances 0.000 description 44
- 239000000463 material Substances 0.000 description 43
- -1 aliphatic monocarboxylic acids Chemical class 0.000 description 37
- 125000004432 carbon atom Chemical group C* 0.000 description 25
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 22
- 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 description 20
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 20
- 229910052708 sodium Inorganic materials 0.000 description 20
- 239000011734 sodium Substances 0.000 description 20
- 125000000217 alkyl group Chemical group 0.000 description 18
- 235000014113 dietary fatty acids Nutrition 0.000 description 17
- 239000000194 fatty acid Substances 0.000 description 17
- 229930195729 fatty acid Natural products 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 229920001296 polysiloxane Polymers 0.000 description 16
- 150000003839 salts Chemical class 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 13
- 150000004665 fatty acids Chemical class 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 238000009472 formulation Methods 0.000 description 12
- ARIWANIATODDMH-UHFFFAOYSA-N rac-1-monolauroylglycerol Chemical compound CCCCCCCCCCCC(=O)OCC(O)CO ARIWANIATODDMH-UHFFFAOYSA-N 0.000 description 12
- 230000002209 hydrophobic effect Effects 0.000 description 11
- 239000003760 tallow Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 230000008901 benefit Effects 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 125000002252 acyl group Chemical group 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 8
- 239000006057 Non-nutritive feed additive Substances 0.000 description 8
- 239000002585 base Substances 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- 239000006260 foam Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000002609 medium Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229920001223 polyethylene glycol Polymers 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000004519 grease Substances 0.000 description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 7
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 6
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 229940068939 glyceryl monolaurate Drugs 0.000 description 6
- 238000010348 incorporation Methods 0.000 description 6
- 238000011068 loading method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 239000002304 perfume Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 5
- 150000004996 alkyl benzenes Chemical class 0.000 description 5
- 150000008051 alkyl sulfates Chemical class 0.000 description 5
- 239000003093 cationic surfactant Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 5
- 239000003925 fat Substances 0.000 description 5
- 235000019197 fats Nutrition 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 239000011976 maleic acid Substances 0.000 description 5
- 229920001983 poloxamer Polymers 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 239000003240 coconut oil Substances 0.000 description 4
- 235000019864 coconut oil Nutrition 0.000 description 4
- 239000007859 condensation product Substances 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 229960001484 edetic acid Drugs 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- DCBSHORRWZKAKO-UHFFFAOYSA-N rac-1-monomyristoylglycerol Chemical compound CCCCCCCCCCCCCC(=O)OCC(O)CO DCBSHORRWZKAKO-UHFFFAOYSA-N 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 235000019832 sodium triphosphate Nutrition 0.000 description 4
- 150000003871 sulfonates Chemical class 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 150000001335 aliphatic alkanes Chemical group 0.000 description 3
- 125000002877 alkyl aryl group Chemical group 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 3
- 229940077388 benzenesulfonate Drugs 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000004200 microcrystalline wax Substances 0.000 description 3
- 235000019808 microcrystalline wax Nutrition 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000344 soap Substances 0.000 description 3
- 229960001922 sodium perborate Drugs 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- LKUNXBRZDFMZOK-GFCCVEGCSA-N Capric acid monoglyceride Natural products CCCCCCCCCC(=O)OC[C@H](O)CO LKUNXBRZDFMZOK-GFCCVEGCSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229940120146 EDTMP Drugs 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 2
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- ROBFUDYVXSDBQM-UHFFFAOYSA-N hydroxymalonic acid Chemical compound OC(=O)C(O)C(O)=O ROBFUDYVXSDBQM-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 229960003390 magnesium sulfate Drugs 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 229940091250 magnesium supplement Drugs 0.000 description 2
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O YDSWCNNOKPMOTP-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229960003330 pentetic acid Drugs 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920005646 polycarboxylate Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- LKUNXBRZDFMZOK-UHFFFAOYSA-N rac-1-monodecanoylglycerol Chemical compound CCCCCCCCCC(=O)OCC(O)CO LKUNXBRZDFMZOK-UHFFFAOYSA-N 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 150000003333 secondary alcohols Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229940045872 sodium percarbonate Drugs 0.000 description 2
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical class OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 1
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 description 1
- CIOXZGOUEYHNBF-UHFFFAOYSA-N (carboxymethoxy)succinic acid Chemical compound OC(=O)COC(C(O)=O)CC(O)=O CIOXZGOUEYHNBF-UHFFFAOYSA-N 0.000 description 1
- RDKDZVKTUNMUMT-BHVWUGLYSA-N 1-[(3R,4R,5S,6R)-2,3,4-trihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]ethanone Chemical compound C(C)(=O)C1(O)[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@@H](O)[C@H](O2)CO)[C@H](O1)CO RDKDZVKTUNMUMT-BHVWUGLYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
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- NJKRDXUWFBJCDI-UHFFFAOYSA-N propane-1,1,2,3-tetracarboxylic acid Chemical compound OC(=O)CC(C(O)=O)C(C(O)=O)C(O)=O NJKRDXUWFBJCDI-UHFFFAOYSA-N 0.000 description 1
- NJEVMKZODGWUQT-UHFFFAOYSA-N propane-1,1,3,3-tetracarboxylic acid Chemical compound OC(=O)C(C(O)=O)CC(C(O)=O)C(O)=O NJEVMKZODGWUQT-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical group O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009919 sequestration Effects 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 description 1
- QSKQNALVHFTOQX-UHFFFAOYSA-M sodium nonanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O QSKQNALVHFTOQX-UHFFFAOYSA-M 0.000 description 1
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- NWPMTMCXJZTLSO-UHFFFAOYSA-M sodium;4-acetyloxybenzenesulfonate Chemical compound [Na+].CC(=O)OC1=CC=C(S([O-])(=O)=O)C=C1 NWPMTMCXJZTLSO-UHFFFAOYSA-M 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 150000008053 sultones Chemical class 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- VUYXVWGKCKTUMF-UHFFFAOYSA-N tetratriacontaethylene glycol monomethyl ether Chemical compound COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO VUYXVWGKCKTUMF-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/667—Neutral esters, e.g. sorbitan esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
Definitions
- This invention relates to detergent compositions and wash liquors incorporating mixtures of surfactants intended to provide enhanced grease and oily soil removal from fabrics and is especially concerned with compositions incorporating surfactant mixtures comprising anionics, ethoxylated nonionics and glyceryl monoesters of aliphatic monocarboxylic acids.
- surfactant combinations that include cationic materials do give rise to difficulties both in formulation and in processing.
- the tendency of quaternary ammonium salts to react with anionic components of the formulation is well known and cationic salts containing one or more detergent length hydrocarbyl groups produce water insoluble complexes with anionic surfactants and anionic optical brighteners.
- these complexes may or may not be kept in suspension in the wash solution and the effectiveness of the reactants is likely to be reduced.
- compositions containing cationic materials are also less straightforward than for compositions in which these materials are not present.
- Aqueous liquid compositions are less phase stable, particularly when exposed to cyclical temperatures near to 0°C, and the incorporation of cationic materials in spray dried particulate compositions requires care in order to avoid degradation resulting from exposure to highly alkaline conditions during the drying step.
- Control of the impregnation of non woven sheet substrates with a substantially anhydrous molten dispersion of surfactants and other components, to provide laundry detergent additive products, is also affected by the viscosity increase resulting from the addition of cationic surfactants.
- Some cationic surfactants are hygroscopic and products containing them tend to develop stickiness on storage because of the moisture pick up, causing flow problems with granular products and a tendency for sheet substrate products to adhere together.
- cationic surfactants confer a number of specific performance benefits on detergent compositions containing them, their high cost relative to other surfactant types and the formulation and processing constraints which their inclusion imposes, make it desirable that alternative means be found of providing such benefits.
- glyceryl monoesters of C8-C14 aliphatic carboxylic acids when used in combination with certain anionic and ethoxylated nonionic surfactants, can provide the same range of grease and oily soil removal benefits as were hitherto believed only to be attainable by compositions incorporating cationic surfactants.
- Glyceryl monoesters of fatty acids are surfactants employed primarily as emulsifiers in the foods industry but their low solubility in water has limited their use in detergent compositions designed for use in aqueous media.
- British Patent No 1,564,507 discloses and claims aqueous compositions designed to provide skin benefits and comprising from 1 to 50% by weight of glycerol monoesters of C8-C14 fatty acids, from 5 to 50% by weight of anionic surfactants and optionally from 2 to 3% of ethoxylated coconut monoethanolamide. While the compositions are asserted to be of general utility in eg shampoos, dishwashing and fabric washing applications, their principal use is in foam bath and shower products, where skin benefits are of prime importance.
- both the anionic surfactant and the glycerol monoester are condensed with up to 3 moles of ethylene oxide in order to promote both foaming and phase stability of the composition without sacrificing the deposition of the glycerol monoester.
- Japanese Patent Application No. 73500/73 discloses a liquid detergent composition comprising an N-longchain acylated amino acid salt and a fatty acid nonionic surfactant, which can be glyceryl monostearate, optionally in the presence of a sequestering agent such as EDTA, NTA or citrate.
- a sequestering agent such as EDTA, NTA or citrate.
- British Patent Application No. 2040982A equivalent to (EP-A-0 000 216) teaches the use of glyceryl fatty esters as components of suds suppressing systems for detergent compositions, including anionic and nononic surfactants.
- the glyceryl esters are present at levels of from 0.2% to 0.4% by weight of the composition.
- Glycerol monoesters of C12-C18 fatty acids have also been disclosed as components of dryer-added sheet substrate fabric softening compositions, examples of such disclosures being those in Murphy et al USP 4,000,340, Perez Zamora USP 3,632,396 and British Patent No. 1,571,527.
- a controlled sudsing detergent composition adapted to provide greasy, oily stain removal from fabrics comprising
- the anionic surfactant is of the sulfonate or sulfate type and, in more preferred compositions, the ethoxylated nonionic is an ethoxylated primary C10-C15 alcohol or an ethoxylated C6-C12 alkyl phenol.
- an aqueous laundry liquor comprising from 100 to 25,000 ppm more preferably from about 1,000 to about 5,000 ppm of a composition as above defined.
- a method of forming a laundry liquor as above defined comprises adding an additive product comprising the glyceryl ester component of the surfactant mixture to a wash liquor comprising an aqueous solution of at least the anionic surfactant.
- Detergent compositions in accordance with the present invention comprise a three component surfactant system a sequestering agent and a suds regulating agent.
- This comprises from 5% to 40%, preferably from 7 to 20%, most preferably from 10 to 15% of the composition and is composed of a mixture of unethoxylated anionic, ethoxylated nonionic and glyceryl ester nonionic surfactants.
- the anionic surfactant can subject to certain conditions, be any one or more of the materials used conventionally in laundry detergents.
- Suitable synthetic anionic surfactants are water-soluble salts of alkyl benzene sulfonates, alkyl sulfates, paraffin sulfonates, alpha-olefin sulfonates, alpha-sulpho-carboxylates and their esters, alkyl glyceryl ether sulfonates, fatty acid monoglyceride sulfates and sulfonates, 2-acyloxy alkane-1-sulfonates, and beta-alkyloxy alkane sulfonates.
- Alkyl polyethoxy ether sulfates and alkyl phenol poly ethoxy ether sulfates are not suitable as the sole anionic surfactant for the purposes of the present invention but may be included as part of a mixture of anionic surfactants in which the non-ethoxylated species form the major proportion i.e. >50% by weight of the mixture.
- a particularly suitable class of anionic surfactants includes water-soluble salts, particularly the alkali metal, ammonium and alkanolammonium salts of organic sulfuric reaction products having in their molecular structure an alkyl or alkaryl group containing from 8 to 22, especially from 10 to 20 carbon atoms and a sulfonic acid or sulfuric acid ester group. (Included in the term “alkyl” is the alkyl portion of acyl groups).
- Examples of this group of synthetic detergents which form part of the detergent compositions of the present invention are the sodium and potassium alkyl sulfates, especially those obtained by sulphating the higher alcohols (C8 ⁇ 18) carbon atoms produced by reducing the glycerides of tallow or coconut oil and sodium and potassium alkyl benzene sulfonates, in which the alkyl group contains from 9 to 15, especially 11 to 13, carbon atoms, in straight chain or branched chain configuration, e.g. those of the type described in U.S.P.
- anionic detergent compounds herein include the sodium C10 ⁇ 18 alkyl glyceryl ether sulfonates, especially those ethers of higher alcohols derived from tallow and coconut oil; sodium coconut oil fatty acid monoglyceride sulfonates and sulfates; the water-soluble salts or esters of alpha-sulfonated fatty acids containing from 6 to 20 carbon atoms in the fatty acid group and from 1 to 10 carbon atoms in the ester group; water-soluble salts of 2-acyloxy-alkane-1-sulfonic acids containing from 2 to 9 carbon atoms in the acyl group and from 9 to 23 carbon atoms in the alkane moiety; water-soluble salts of olefin sulfonates containing from 12 to 24, preferably 14 to 16, carbon atoms, especially those made by reaction with sulfur trioxide followed by neutralization under conditions such that any sultones present are hydrolysed to the corresponding hydroxy alkane sulf
- Ethoxylated anionic surfactants that can be used in admixture with the foregoing compounds so as to form a minor proportion of the mixture, include alkyl ether sulfates containing from 10 to 18, especially from 12 to 16, carbon atoms in the alkyl group and from 1 to 12, especially from 1 to 6, more especially from 1 to 4 moles of ethylene oxide; and sodium or potassium salts of alkyl phenol ethylene oxide ether sulfates containing 1 to 10 units of ethylene oxide per molecule and wherein the alkyl groups contain 8 to 12 carbon atoms.
- alkane chains of the foregoing non-soap anionic surfactants can be derived from natural sources such as coconut oil or tallow, or can be made synthetically as for example using the Ziegler or Oxo processes. Water solubility can be achieved by using alkali metal, ammonium or alkanolammonium cations; sodium is preferred. Suitable fatty acid soaps can be selected from the ordinary alkali metal (sodium, potassium), ammonium, and alkanolammonium salts of higher fatty acids containing from 8 to 24, preferably from 10 to 22 and especially from 16 to 22 carbon atoms in the alkyl chain.
- Suitable fatty acids can be obtained from natural sources such as, for instance, from soybean oil, castor oil, tallow, whale and fish oils, grease, lard and mixtures thereof).
- the fatty acids also can be synthetically prepared (e.g., by the oxidation of petroleum, or by hydrogenation of carbon monoxide by the Fischer-Tropsch process).
- Resin acids are suitable such as rosin and those resin acids in tall oil.
- Naphthenic acids are also suitable.
- Sodium and potassium soaps can be made by direct saponification of the fats and oils or by the neutralization of the free fatty acids which are prepared in a separate manufacturing process. Particularly useful are the sodium and potassium salts of the mixtures of fatty acids derived from tallow and hydrogenated fish oil.
- the anionic surfactants should contain no ethoxylated species as unethoxylated surfactants show superior grease and oily soil removal capability.
- the surfactants are of the sulfonate or sulfate type and mixtures of anionic surfactants are particularly suitable herein, especially mixtures of sulfonate and sulfate surfactants in a weight ratio of from 10:1 to 1:5, preferably from 5:1 to 1:1.5, more preferably from 5:1 to 1:1.
- an alkyl benzene sulfonate having from 9 to 15, especially from 11 to 13 carbon atoms in the alkyl radical, the cation being an alkali metal, preferably sodium; and an alkyl sulfate having from 10 to 20, preferably from 12 to 18 carbon atoms in the alkyl radical.
- the nonionic surfactants useful in the present invention are condensates of ethylene oxide with a hydrophobic moiety to provide a surfactant having an average hydrophilic-lipophilic balance (HLB) in the range from 9 to 15, preferably from 9.5 to 13.5, more preferably from 10 to 12.5.
- HLB hydrophilic-lipophilic balance
- the hydrophobic moiety may be aliphatic or aromatic in nature and the length of the polyoxyethylene group which is condensed with any particular hydrophobic group can be readily adjusted to yield a water-soluble compound having the desired degree of balance between hydrophilic and hydrophobic elements.
- Suitable nonionic surfactants include:
- Especially preferred nonionic surfactants for use herein are the C9-C15 primary and secondary alcohol ethoxylates containing 3-8 moles of ethylene oxide per mole of alcohol, particularly the C12-C15 primary alcohols containing 6-8 moles of ethylene oxide per mole of alcohol.
- the glyceryl esters useful in the present invention are the monoesters of C8-C14 aliphatic carboxylic acids, particularly the monoesters of C10-C14 aliphatic carboxylic acids.
- the carboxylic acids may be derived from natural sources i.e. vegetable oils or animal fats, or may be synthetic in origin i.e. from olefin build up or OXO synthesis. Accordingly, the aliphatic group may be saturated or unsaturated in type and linear or branched in structure. Preferably the aliphatic carboxylic acids are linear or predominantly linear in structure and are fully saturated.
- Preferred materials are glyceryl monocaprate, glyceryl monolaurate and glyceryl monomyristate although glyceryl mono esters of blends of C10, C12 and C14 carboxylic acids are also suitable for the purposes of the invention.
- Commercial grades of glyceryl monolaurate and glyceryl monomyristate are particularly preferred as their waxy physical characteristics and melting point range (50-70°C) make them useful binder materials for the prilled form of chemically labile detergent components such as bleach activators. It will be understand that the glyceryl esters will also contain low levels of C8 and C16+ esters arising from the particular source of the aliphatic carboxylic acid.
- glyceryl monoesters The preparation of glyceryl monoesters is well known in the art, and is conventionally carried out by means of a two stage process involving partial glycerolysis of fats or oils followed by molecular distillation.
- the monoester comprises at least 90%, most preferably at least 95% by weight of the glyceryl ester component, esters of monoester content ⁇ 70% can be used in which the major portion of the remainder is usually the diester together with minor proportions of glycerol and fatty acid.
- the level of tri ester i.e. the starting fat or oil
- Separation of the desired monoester or monoester fraction from the saponification reaction mixture is normally carried out by means of vacuum distillation.
- the glyceryl ester surfactant must be present in an amount of at least 0.5%, preferably at least 0.7% and normally at least 1.0% by weight. Most preferably the glyceryl ester is present in an amount of at least 2% by weight of the composition.
- Preferred surfactant systems employ a ratio of anionic surfactant to glyceryl ester of ⁇ 15:1 by weight, more normally ⁇ 10:1 and most commonly ⁇ 6:1.
- the surfactant system will normally comprise, by weight of the system, from 30 to 80% more preferably from 50 to 70% anionic, from 12 to 60% ethoxylated more preferably from 20 to 40% nonionic and from 2.5 to 30% more preferably from 10 to 25% glyceryl ester, with the proviso that the amount of glyceryl ester will always be at least 0.50% by weight of the composition.
- An other essential component of detergent compositions in accordance with the invention is a sequestering agent, present in an amount of from 1 to 60%, more usually from 5 to 50% by weight of the composition.
- the sequestering agents can be either organic or inorganic in form and may be water soluble or water insoluble in character.
- Suitable inorganic builder salts include orthophosphates, pyrophosphates, tripolyphosphates and the higher polymeric glassy phosphates, silicates, carbonates, and the water insoluble crystalline aluminosilicates such as hydrated Zeolite A, X or P.
- Organic sequestering agents that can be incorporated include the aminocarboxylates such as the salts of nitrilotriacetic acid (NTA), ethylenediaminetetra acetic acid (EDTA) and diethylenetriaminepenta acetic acid (DETPA) and the methylene phosphonate analogues of these materials NTMP, EDTMP and DETPMP, as well as the salts of polycarboxylic acids such as lactic acid, glycollic acid and ether derivatives thereof as disclosed in Belgian Patents 821,368, 821,369 and 821,370; succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, diglycollic acid, tartaric acid, tartronic acid and fumaric acid; citric acid, aconitic acid, citraconic acid, carboxymethyloxysuccinic acid, lactoxysuccinic acid, and 2-oxy-1,1,3-propane tri-carboxylic acid; oxy
- Polymeric organic sequestering agents can also be used, such as copolymeric polycarboxylic acids which comprise at least two carboxyl radicals separated from each other by not more than two carbon atoms and which has an average molecular weight in the range from 500 to 2,000,000, more preferably from 12,000 to 1,500,000 comprises:
- carboxylates are 1:1 styrene/maleic acid copolymers, di-isobutylene/maleic acid copolymers, methyl vinyl ether/maleic acid copolymers and maleic acid; acrylic acid copolymers having a molar ratio between 1:1 and 1:4.
- Other suitable polycarboxylates are poly-alpha-hydroxy acrylates and lactones thereof as described in Belgian Patent 817,678 and B.P. 1,425,307.
- inorganic and organic sequestering agents can be used in combination in order to ensure sequestration of each metal ion that influences detergency.
- An example of such a combination would be the use of an insoluble zeolite primarily for calcium, a polycarboxylate primarily for magnesium, and an amino polyphosphonate primarily for heavy metal ions.
- the present compositions also contain suds regulating components in an amount of from 0.05% to 3%.
- Preferred are silicone fluids and also microcrystalline waxes having a melting point in the range from 35°C to 115°C and saponification value of less than 100.
- the microcrystalline waxes are substantially water-insoluble, but are water-dispersible in the presence of organic surfactants.
- Suitable examples of the above waxes include microcrystalline and oxidized micro-crystalline petrolatum waxes; Fischer-Tropsch and oxidized Fischer-Tropsch waxes; ozokerite; ceresin; montan wax; beeswax, candelilla; and carnauba wax.
- U.S. Patent 3,933,672 issued January 20 1976, to Bartollota et al. discloses silicone suds controlling agents suitable herein.
- the silicone material can be represented by alkylated polysiloxane materials such as silica aerogels and xerogels and hydrophobic silicas of various types.
- the silicone material can be described as siloxane having the formula: wherein x is from 20 to 2,000 and R and R' are each alkyl or aryl groups, especially methyl, ethyl, propyl, butyl and phenyl.
- the polydimethylsiloxanes (R and R' are methyl) having a molecular weight within the range of from 200 to 2,000,000, and higher, are all useful as suds controlling agents.
- Additional suitable silicone materials wherein the side chain groups R and R' are alkyl, aryl, or mixed alkyl or aryl hydrocarbyl groups exhibit useful suds controlling properties.
- the like ingredients include diethyl-, dipropyl-, dibutyl-, methyl-, ethyl-, phenyl-, methylpolysiloxanes and the like.
- Additional useful silicone suds controlling agents can be represented by a mixture of an alkylated siloxane, as referred to hereinbefore, and solid silica. Such mixtures are prepared by affixing the silicone to the surface of the solid silica.
- a preferred silicone suds controlling agent is represented by a hydrophobic silanated (most preferably trimethylsilanated) silica having a particle size in the range from 10 millimicrons to 20 millimicrons and a specific surface area above 50 m2/g. intimately admixed with dimethyl silicone fluid having a molecular weight in the range from 500 to 200,000 at a weight ratio of silicone to silanated silica of from 1:1 to 1:10.
- the silicone suds suppressing agent is advantageously releasably incorporated in a water-soluble or water-dispersible, substantially non-surface-active detergent-impermeable carrier.
- Particularly useful suds suppressors are the self-emulsifying silicone suds suppressors, described in German Patent Application DTOS 2,646,126 published April 28, 1977.
- An example of such a compound is DB-544, commercially available from Dow Corning, which is a siloxane/glycol copolymer.
- compositions of the present invention can be supplemented by a wide range of optional components.
- the principal optional component which is a highly preferred ingredient of the compositions is an inorganic peroxygen bleach of the perhydrate type, defined for the purposes of this invention as having hydrogen peroxide associated with the molecule.
- Alkali metal perborates, percarbonates, persilicates and perpyrophosphates are examples of such bleaches. They are normally included at levels of from 5% to 35% by weight, preferably from 15% to 25% by weight of the composition, so as to provide from 50 to 7000 ppm, preferably from 300 to 2000 ppm of bleach in the laundry liquor.
- Preferred perhydrates are sodium perborate mono- and tetrahydrate and sodium percarbonate.
- Sodium perborate is the most preferred perhydrate as the addition of this material to compositions according to the invention provides an enhancement of their grease and oily soil removal capability.
- a highly preferred optional component of compositions in accordance with the invention is an organic peroxyacid bleach precursor, a so-called bleach activator.
- organic peroxyacid bleach precursor a so-called bleach activator.
- Compounds of this type are well known in the detergent art, exemplary disclosures being provided in British Patent Nos. 836,988, 864,798, 1,586,769, 2040893 and European Patent Application Publication No. 0062523.
- Highly preferred precursors include tetraacetyl ethylene diamine, tetra acetyl methylene diamine, tetraacetylglycouril, sodium p-acetoxybenzene sulfonate, sodium p-C7-C9 acyloxybenzene sulfonate, penta acetyl glucose and octa acetyl lactose.
- the precursors are incorporated so as to provide from 2 to 50 ppm of available oxygen from the peroxy acid in the wash liquor and normally are present in an amount such that the inorganic perhydrate to precursor molar ratio is at least 1.5:1, preferably at least 2:1 and normally in the range from 3:1 to 12:1,
- Soil suspending and antiredeposition agents are also preferred components of the compositions of the invention at levels of from 0.1% to 10% by weight.
- Methyl cellulose and its derivatives such as water-soluble salts of carboxymethylcellulose, carboxyhydroxymethyl cellulose and polyethylene glycols having a molecular weight of from 400 to 10,000 are common components of the present invention.
- Certain organic polymeric materials such as maleic anhydride-methyl vinyl ether and maleic anhydride-ethylene copolymers of Mwt 25,000 are also useful in this function.
- Enzymes in minor amounts are conventional ingredients of the compositions, those suitable for use including the materials discussed in U.S. patents 3,519,570 and 3,533,139 to McCarty and McCarty et al.
- Anionic fluorescent brightening agents are well-known ingredients, examples of which are disodium 4,4'-bis-(2-diethanolamino-4-anilio-s-triazin-6-ylamino)stilbene-2:2'-disulfonate, disodium 4,4'-bis-(2-morpholino-4-anilino-s-triazin-6-ylaminostilbene-2:2'-disulfonate, disodium 4'4-bis-(2,4-dianilino-s-triazin-6-ylamino)stilbene-2:2'-disulfonate, disodium 4,4'-bis-(2-anilino-4-(N-methyl N-2-hydroxyethylamino)-S-triazin-6-ylamino)stilbene-2,2'-disulfonate, disodium 4,4'-bis-(4-phenyl-2,1,3-triazol-2yl) -stilbene-2,2'-d
- a highly preferred ingredient of the detergent liquors and of compositions for their production is a polyphosphonic acid or salt thereof in an amount from 0.01 to 4%, especially from 0.1 to 1.0% by weight. At this level of incorporation, which is below the range of levels normally employed for detergent builders, the polyphosphonic acid or salt thereof is found to provide bleachable stain detergency benefits.
- Especially preferred polyphosphonates have the formula:- wherein each R is CH2PO3H2 or a water-soluble salt thereof and n is from 0 to 2.
- examples of compounds within this class are aminotri-(methylenephosphonic acid), ethylene diamine tetra(methylenephosphonic acid) and diethylene triamine penta(methylene phosphonic acid). Of these, ethylenediamine tetra(methylene phosphonic acid) is particularly preferred.
- Another suitable component of detergent compositions in accordance with the invention is a water-soluble magnesium salt which is added at levels in the range from 0.015% to 0.2%, preferably from 0.03% to 0.15% and more preferably from 0.05% to 0.12% by weight of the compositions (based on weight of magnesium).
- Suitable magnesium salts include magnesium sulfate, magnesium sulfate heptahydrate, magnesium chloride, magnesium chloride hexahydrate, magnesium fluoride and magnesium acetate.
- anticaking agents such as sodium sulfosuccinate or sodium benzoate can be included in varying amounts as desired.
- Aesthetic ingredients such as dyes, pigments, photo activated bleaches such as tri- and tetra-sulfonated zinc phthalo cyanine, and perfumes are also normal components of the compositions.
- Detergent compositions in accordance with the invention, can be solid or liquid and where they are solid can take any of the conventional forms, e.g. spray dried or agglomerated particles, bars or tablets.
- the glyceryl esters can be incorporated into spray dried granular compositions either as one of the components of the slurry which is spray dried to form the base powder or as a sprayed or prilled additive to the base granules.
- addition to the spray dried base powder, together with the ethoxylated nonionic surfactant is utilised in order to avoid saponification of the esters under the hot alkaline conditions encountered in the aqueous slurries from which the spray dried powders are formed.
- the glyceryl ester is employed as a binder medium for the formation of prills incorporating the bleach precursor.
- prills are typically of 1-1.5mm diameter and 4-10mm length and are formed by radial or axial extrusion e.g. by means of the technique disclosed in European Patent Publication No. 0062523.
- the prills are normally added as a dry mix component to the spray dried base powder.
- Glyceryl monoesters such as glyceryl monolaurate and glyceryl mono-myristate are particularly useful in forming prills of branched chain C7-C9 peroxy acid precursors.
- Binder levels of from 10% to 25% by weight of the prills i.e. precursor levels of from 75 to 90%, can be employed at prilling temperatures of 50° to 80°C in batch operation and 55° to 60°C under continuous operating conditions.
- prills of branched chain C7-C9 peroxy acid precursors with conventional binders, such as tallow alcohol ethoxylates or polyethylene glycols require binder levels of from 40 to 50% by weight and tend to discolour under the temperatures necessary to carry out the prilling process.
- a particularly preferred embodiment of the detergent composition aspect of the invention incorporates a C10-C14 glyceryl ester, such as glyceryl monolaurate, as the binder for a prill containing a C7-C9 peroxy acid precursor such as an alkali metal linear or branched chain C7-C9 acyl oxybenzene sulphonate or acyl oxybenzoate.
- a C10-C14 glyceryl ester such as glyceryl monolaurate
- a C7-C9 peroxy acid precursor such as an alkali metal linear or branched chain C7-C9 acyl oxybenzene sulphonate or acyl oxybenzoate.
- aqueous laundry liquors comprising from 100 to 25,000, preferably from 1,000 to 15,000 ppm of the compositions as hereinbefore described and such liquors can be formed in the conventional manner by direct dissolution of the compositions into water to form the wash solution.
- the liquors can also be formed by the addition of a laundry additive product incorporating some of the components of the present invention to a previously formed wash liquor containing the remainder.
- Such laundry additive products can take a variety of physical forms, viz. liquids, particulate solids, tablets, pouches or sachets or impregnated sheet substrates.
- Additive products in particulate substrate form can comprise powders, flakes, chips, tablets or noodles which may be used as-is or may themselves be enclosed in containers for addition to an aqueous liquor.
- the aqueous wash liquor will already contain an anionic surfactant together with a sequestering agent and possibly some ethoxylated nonionic surfactant and the additive product will comprise the additional glyceryl ester component together with ethoxylated nonionic surfactant.
- additive products may themselves constitute compositions in accordance with the invention although designed to be added to detergent liquors to provide a boost in detergency performance.
- Additive products in accordance with this aspect of the present invention may comprise one or more of the components of the composition in combination with a carrier such as a compatible particulate substrate, a flexible non particulate substrate or a container.
- a carrier such as a compatible particulate substrate, a flexible non particulate substrate or a container.
- compatible particulate substrates include inert materials such as clays and other aluminosilicates including zeolites both natural and synthetic in origin.
- Other compatible particular carrier materials include hydratable inorganic salts such as phosphates, carbonates and sulfates.
- Additive products enclosed in bags or containers are manufactured such that the containers prevent egress of their contents when dry but are adapted to release their contents on immersion in an aqueous solution.
- a convenient execution of this form of the additive product comprises a particulate solid composition enclosed in a container.
- the container will be flexible, such as a bag or pouch.
- the bag may be of fibrous construction coated with a water impermeable protective material so as to retain the contents, such as is disclosed in European published Patent Application No. 0018678.
- it may be formed of a water insoluble synthetic polymeric material provided with an edge seal or closure designed to rupture in aqueous media as disclosed in European published Patent Application Nos. 0011500, 0011501, 0011502, and 0011968.
- a convenient form of water frangible closure comprises a water soluble adhesive disposed along and sealing one edge of a pouch formed of a water impermeable polymeric film such as polyethylene or polypropylene.
- An alternative form of the additive product comprises a composition in water releasable combination with a non particulate flexible substrate in a weight ratio of 1:10 to 30:1.
- Additive products of this type incorporating a peroxy acid bleach precursor are disclosed in British Patent Specification Nos. 1,586,769 and 2040983B and also in European Patent Application No. 0098129 and in European Patent Application No. 84301070.3.
- non particulate substrate additive product embodiment of this aspect of the invention embraces formulations from which one or more of the components of the present invention may be absent e.g. anionic and/or sequestering agent. In such cases, however, it is assumed that the missing components will be present in the wash liquor to which the product is added.
- the substrate may itself be water soluble or water insoluble and in the latter case it should possess sufficient structural integrity under the conditions of the wash to be recovered from the machine at the end of the laundry cycle. Structures which are water disintegratable i.e. that break down in aqueous media to insoluble individual fibres or particles are not considered satisfactory for the purposes of the present invention.
- Water soluble materials include certain cellulose ethers, alginates, polyvinyl alcohol and water soluble polyvinyl pyrrolidone polymers, which can be formed into non-woven and woven fibrous structures.
- Suitable water insoluble materials include, but are not restricted to, natural and synthetic fibres, foams, sponges and films.
- the substrate may have any one of a number of physical forms such as sheets, blocks, rings, balls, rods or tubes. Such forms should be amenable to unit usage by the consumer, i.e. they should be capable of addition to the washing liquor in measured amounts, such as individual sheets, blocks or balls and unit lengths of rods or tubes. Certain of these substrate types can also be adapted for single or multiple uses, and can be provided with composition loadings up to a composition:substrate ratio of 30:1 by weight.
- One such article comprises a sponge material releasably enclosing enough additives to permit its effective use during several washing cycles.
- This multi-use article can be made by impregnating a sponge ball or block with 20 grams of the additive composition. In use, the composition leaches out through the pores of the sponge into the wash liquor and can be used to treat several loads of fabrics in conventional washing machines, and has the advantage that it can remain in the washer after use.
- a highly preferred execution of this type of additive product utilises a flexible sheet so as to make it compatible with the movement of the fabrics in the washing machine and to facilitate its handling during manufacture of the product.
- the sheet is water pervious i.e. water can pass from one surface of the sheet to the opposite surface and, for film type substrates, perforation of the sheet is desirable.
- the most preferred form of the substrate is a sheet of woven or non-woven fabric or a thin sheet of cellular plastics material.
- Woven fabric sheets can take the form of a plain weave natural or synthetic fibre of low fibre count/unit length, such as is used for surgical dressings, or of the type known as cheese cloth. Loading limitations on sheet type substrates limit the amount of composition that can be applied to the sheet and, in practice, the weight ratio of composition:sheet substrate normally lies within the range from 1:2 to 15:1.
- suitable materials which can be used as a substrate in the invention herein include, among others, sponges, paper, and woven and non-woven fabrics.
- a suitable sponge like material that can be used in the present invention comprises an absorbent foam like material in the form of a sheet.
- the term 'absorbent foam-like material' is intended to encompass three dimensional absorptive materials such as 'gas blown foams', natural sponges and composite fibrous based structures such as are disclosed in US Patent Nos. 3311115 and 3430630.
- a particularly suitable material of this type is a hydrophilic polyurethane foam in which the internal cellular walls of the foam have been broken by reticulation. Foams of this type are described in detail in Dulle US Patent No. 3794029.
- a preferred example of this foam type comprises a hydrophilic polyurethane foam of density 0.596 grs per cubic inch with a cell count of between 8 and 40 cells per cm, preferably from 24 to 32 per cm available from the Scott Paper Company, Eddystone, Pennsylvania USA., under the Registered Trade Mark "Hydrofoam”.
- Preferred sheets of this type of material have thicknesses in the range from 3 to 5 mm.
- Preferred sheet substrates for use in this type of additive product are apertured and non apertured non woven fabrics which can generally be defined as adhesively bonded fibrous or filamentous products, having a web or carded fibre structure (where the fibre strength is suitable to allow carding) or comprising fibrous mats, in which the fibres or filaments are distributed haphazardly or in random array (i.e. an array of fibres in a carded web wherein partial orientation of the fibres is frequently present as well as a completely haphazard distributional orientation) or substantially aligned.
- the fibres or filaments can be natural (e.g. wool, silk, wood pulp, jute, hemp, cotton, linen, sisal, or ramie), synthetic (e.g. rayon, cellulose, ester, polyvinyl derivatives, polyolefins, polyamides, or polyesters) or mixtures of any of the above.
- binder-resins used in the manufacture of non-woven cloths can provide substrates possessing a variety of desirable traits.
- the absorbent capacity of the cloth can be increased, decreased, or regulated by respectively using a hydrophilic binder-resin, a hydrophobic binder-resin or a mixture thereof in the fibre bonding step.
- the hydrophobic binder-resin when used singly or as the predominant compound of a hydrophobic-hydrophilic mixture, provides non-woven cloths which are especially useful as substrates when the additive products are used in an automatic washer.
- the substrate herein is a bonded non-woven cloth made from fibres, deposited haphazardly or in random array on the screen, the compositions exhibit excellent strength in all directions and are not prone to tear or separate when used in the washer.
- the non-woven cloth is water-laid or air-laid and is made from cellulosic fibres, particularly from regenerated cellulose or rayon, which are lubricated with standard textile lubricant.
- the fibres are from 4 to 50 mm in length and are from 1.5 to 5 denier (Denier is an internationally recognised unit in yarn measure, corresponding to the weight in grams of a 9,000 meter length of yarn).
- the fibres are at least partially orientated haphazardly, particularly substantially haphazardly, and are adhesively bonded together with hydrophobic or substantially hydrophobic binder-resin, particularly with a nonionic self-crosslinking acrylic polymer or polymers.
- the cloth comprises 70% fibre and 30% binder-resin polymer by weight and has a basis weight of from 10 to 100, preferably from 24 to 72 g/m2.
- Apertured non-woven substrates are also useful for the purposes of the present invention.
- the apertures, which extend between opposite surfaces of the substrate are normally in a pattern and are formed during lay-down of the fibres to produce the substrate.
- Exemplary apertured non-woven substrates are disclosed in US Patent Nos. 3,741,724, 3,930,086 and 3,750,237.
- a suitable diamond patterned apertured substrate is obtainable from Chioopee Manufacturing Co., Milltown, New Jersey, USA under the Code No SK 650 WFX 577 and comprising a polyester-wood pulp mixture having a basis weight of 50 g/m2 and approximately 13 apertures per square cm.
- an apertured non-woven substrate also available from Chicopee Manufacturing Co., under the Code No. AK 30 ML 1379 comprises a regenerated cellulose sheet of 3.0 denier fibres bonded with Rhoplex RA 8 binder (fibre:binder ratio 70:30) having a basis weight of 40 g/m2 and 17 apertures/cm2.
- a highly preferred square patterned apertured substrate of similar composition but fibre:binder ratio of 80:20 and basis weight 35 g/m2 is also available from Chicopee BV Holland.
- apertured fabrics for the purposes of the invention have from 10 to 20 apertures/cm2, preferably 12 to 18 apertures/cm2.
- the size and shape of the substrate sheet is a matter of choice and is determined principally by factors associated with the convenience of its use. Thus the sheet should not be so small as to become trapped in the crevices of the machine or the clothes being washed or so large as to be awkward to package and dispense from the container in which it is sold.
- sheets ranging in plan area from 130 cm2 to 1300 cm2 are acceptable, the preferred area lying in the range of from 520 cm2 to 780 cm2.
- additive products in accordance with this aspect of the invention contain other detergent ingredients in addition to one or more of the essential components of the composition.
- any peroxy acid precursor present can be incorporated in additive products useful in the present invention but it is essential that the precursor is spatially separate therefrom, i.e. is disposed at a substrate location that is free or substantially free of the other reactant materials.
- One factor determining the acceptable level of incorporation of an optional ingredient in an additive product is its physical characteristics i.e. whether it is liquid or solid, and if solid, whether it is crystalline or waxy and of high or low melting or softening point.
- Highly desirable optional components for additive products in sheet substrate form are solid, water soluble or water dispersible organic processing aids of a waxy nature having a Mpt in the range 30-80°C.
- the most preferred processing aids have a softening point greater than 40°C and a melting point less than 80°C to permit their easy processing.
- the preferred processing aids in such sheet substrate products serve as plasticisers or thickeners in the incorporation of compositions into or onto the substrate and ideally are non-hygroscopic solids that are melted to form molten fluids to which the compositions are added to provide mixtures having a viscosity of up to 30,000 centipoises at 50°C.
- Typical solids are C14-C18 primary and secondary alcohols and C12-C20 fatty acids and ethoxylates thereof containing from 15 to 80 ethylene oxide groups per mole of alcohol, sorbitan esters of C12-C20 fatty acids and polyethylene glycols of Mwt 4000-10,000. Minor proportions of lower Mwt glycols of Mwt 1000-4000 can also be used to control mix fluidity but they should not form the major component of the processing aid. As stated hereinbefore, preferred materials are those of low hygroscopicity particularly the C14-C18 saturated fatty acids.
- the C16-C18 fatty acids and polyethylene glycols of Mwt 4,000-8,000 are particularly effective when used in amounts such that the weight ratio of compounds:processing aid lies in the range from 20:1 to 1:2 particularly from 4:1 to 1:1.
- compositions are of primary value in incorporating the composition onto, and releasing it from, the substrate
- other optional conventional detergent ingredients as previously described can be incorporated into the composition provided that they are not reactive towards other composition components.
- surfactants, suds modifiers, chelating agents, anti-redeposition and soil suspending agents, optical brighteners, bactericides, anti-tarnish agents, enzymatic materials, fabric softeners, antistatic agents, perfumes and bleach catalysts can all be introduced into a wash liquor by means of the additive products of the present invention, subject to the contraints imposed by the loading limitations of the substrate.
- compositions comprise a peroxy bleach precursor compound disposed on a substrate of either particulate or non particulate form
- the substrate is preferably absorbent and the composition is impregnated therein.
- the substrate comprises a non-woven material or a foam article of sheet-like form
- a compatible non-hygroscopic material of melting point ⁇ 80°C such as the processing aids hereinbefore described to provide a waxy solid in which the surfactant is present in the form of a solid solution and/or as a dispersed phase.
- the melting point range and waxy nature of polyethylene glycols of molecular weight ⁇ 4000 make them useful for this purpose.
- nonionic surfactants form components of the composition
- their physical properties may permit their use as, or as part of, a liquid medium in which other solid components are incorporated.
- materials reactive towards any peroxy bleach precursor compounds present in the composition can be incorporated in detergent additive products containing them provided that the precursor and the reactive material are spatially separated from one another.
- Inorganic peroxygen bleaches such as sodium perborate monohydrate or tetrahydrate, sodium percarbonate, sodium persilicate or sodium perpyrophosphate, and also urea-hydrogen peroxide addition products, are materials which are sufficiently reactive to require this spatial separation.
- a convenient method of application is the deposition of the respective melts, suspensions or solutions as discrete bands of material on the substrate. This can be achieved using a divided extrusion head or by applying the melt or suspension to separate webs of substrate which are subsequently joined longitudinally.
- the bleach is applied as a dispersion of solid particles in a molten processing aid (as hereinbefore described) at a temperature in the range from 40° to 90°C.
- dispersion:substrate weight ratios of up to 15:1 can be obtained although for aesthetic reasons, dispersion loadings on substrates of fibrous character are limited in practice to weight ratios of 10:1. Furthermore, loading limitations imposed by the substrate surface area required for the incorporation of the precursor may limit the amount of bleach to less than 5:1. Provision must also be made for the separation of the bands or areas of bleach and the corresponding bands or areas of precursor during transport and/or storage. This is achieved by interposing layers of material between the layers of substrate or by producing patterns of deposited material that are not coincident on stacking of the substrate.
- a preferred method of making the particulate substrate forms of detergent additive product is by applying a spray of the composition as a solution, dispersion or molten suspension on to a moving bed of particulate substrate in a rotating drum or pan fluidised bed, or a rotating blade mixer of the Schugi or Patterson-Kelly type.
- the composition dissolved or dispersed in a molten processing aid is held in a trough formed by the nip of two horizontal rolls arranged side by side and rotating in opposite directions such that the nip is formed by surfaces having approximately the sane velocity in a downward direction.
- Molten material is spread on one of the rolls and transferred to a continuous web of substrate whose speed is the same as that of the roll and which contacts the roll over a limited length of its periphery.
- the impregnated substrate is then contacted by a smoothing and spreading roll having a direction of rotation such that its contact surface is moving in the opposite direction to that of the substrate.
- the rolls employed in this technique are fabricated in metal and are heated to maintain the impregnating mixture in the liquid phase.
- Non-linear bleach precursor levels of from 2 to 10 g. per sheet of 1265 cm2 area and 2.80 g. weight, can be achieved using glyceryl monolaurate levels of from 2 to 4 g. in combination with a polyethylene glycol-ethoxylated nonionic mixture of from 8 to 10 g.
- non-linear acyl oxybenzene sulphonate bleach precursors such as linear or branched C7-C10 acyl oxybenzene sulfonate
- the weight ratio of the C7-C10 acyl oxybenzene sulfonate precursor to the other peroxy acid (e.g. peracetic acid) precursor should be such as to provide a C7-C10 alkyl peroxy acid:peracetic acid molar ratio in the range from 1:1 to 1:10.
- blends in which the C7-C10 acyl oxybenzene sulfonate delivers from 5 to 50 ppm available oxygen in the wash liquor are preferred.
- inorganic peroxy bleaches It is conventional with inorganic peroxy bleaches to provide a level of available oxygen in solution of from 50 ppm to 350 ppm by weight for heavy duty laundry purposes.
- a level of available oxygen provided by the organic peroxy compound may lie in the range from 2 ppm to 100 ppm, levels of from 3 ppm to 30 ppm being appropriate under conventional US washing conditions while levels of from 20 ppm to 50 ppm are more commonly used under European washing conditions. This level of available oxygen should be attained within the normal wash cycle time i.e. within 5-25 minutes depending on the particular wash cycle being employed.
- compositions are prepared:
- compositions are prepared by spray drying the anionic and sequestering agent components together with the silicate, magnesium sulfate and brightener to form a base powder, onto which the ethoxylated nonionic components are sprayed as a liquid.
- a base powder onto which the ethoxylated nonionic components are sprayed as a liquid.
- the perborate, suds suppressor and enzyme ingredients the latter two in the form of prills in a carrier medium.
- the perfume is sprayed onto the mixture to form the finished product.
- TAED or ISONOBS is a component of the product the precursor is formed into a prill using a carrier medium, by means of the technique disclosed in published European Application No. 0062523, and dry mixed with the base powder, prior to perfume addition.
- TAE80 forms a suitable prilling medium for TAED, the ratio of TAED:TAE80 being 4:1 by weight.
- the preferred prilling medium is the, or part of the, glycerol monoester component which can be used to form prills having satisfactory solution and physical stability characteristics at an ISONOBS:glyceryl monoester ratio of 7:1 by weight.
- Detergent additive products are prepared having the following composition in parts by weight (g).
- the products were made in each case by forming a melt of the PEG GML and A 45E7 at approximately 80°C, dispersing the other components (except the perfume) therein and applying the resultant slurry to the substrate from an applicator roll with which the substrate was brought into contact.
- the dissolved compositions comprise
- Laundry additive products having the following formulations are prepared in accordance with the method of Examples 7-9.
- Example 15 In the case of the formulation of Example 15, two separate impregnating mixes are prepared and are used to impregnate two substrate sheets, one mix comprising 6.3g of perborate, 2.0g of A45E7, 6.0g of PEG 6000 and 2.0g PEG 1500 and the other comprising the remaining ingredients. Each additive product is then added to a washing machine with 135g of the detergent formulation set out in Example 8 to form a laundry liquor in accordance with the invention.
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Claims (18)
- Composition détergente à mousse limitée adaptée pour procurer un détachage des taches graisseuses, huileuses, sur les tissus, comprenantA) un système tensioactif comprenant de 5 à 40% en poids de la composition et composé1) de 30% à 80%, en poids du système, d'un tensioactif anionique non éthoxylé, seul ou en mélange avec un tensioactif anionique éthoxylé, dans lequel plus de 50% en poids du mélange est non éthoxylé;2) de 12% à 60% en poids d'un tensioactif non ionique éthoxylé ayant un rapport hydrolipophile dans la gamme de 9-15;3) de 2,5% à 30% en poids d'un monoester glycérylique d'acide carboxylique aliphatique en C₈-C₁₄, l'ester glycérylique étant présent en une quantité d'au moins 0,50% en poids de la composition;B) un agent séquestrant, en une quantité de 1-60% en poids de la composition;C) un agent régulateur de mousse, en une quantité de 0,05% à 3% en poids de la composition;D) de 0% à 93,95% d'ingrédients de détergence autres que ceux de A) à C).
- Composition selon la revendicaion 1, dans laquelle le tensioactif anionique est du type sulfate ou sulfonate.
- Composition selon l'une quelconque des revendications 1 et 2, dans laquelle le tensioactif non ionique éthoxylé est un éthoxylat d'alcool primaire en C₉-C₁₅ ou un éthoxylat d'alkyl(en C₆-C₁₂)phénol.
- Composition selon l'une quelconque des revendications 1-3, dans laquelle le monoester glycérylique est présent à raison d'au moins 0,7% en poids de la composition.
- Composition selon l'une quelconque des revendications 1-4, dans laquelle le groupement acyle aliphatique en C₈-C₁₄ du monoester glycérylique est un groupe acyle gras en C₈-C₁₄.
- Composition selon la revendication 5, dans laquelle l'ester glycérylique est un mélange de monoesters gras en C₁₀-C₁₄ glycéryliques.
- Composition selon l'une quelconque des revendications 5 et 6, dans laquelle le constituant ester glycérylique comprend un mélange de mono-, di- et triesters dans lequel les monoesters constituent au moins 90% en poids du mélange, les triesters ne constituant pas plus de 1% en poids du mélange.
- Composition selon l'une quelconque des revendications précédentes, dans laquelle l'agent séquestrant est présent à raison de 5 à 50% en poids de la composition.
- Composition selon l'une quelconque des revendications précédentes, renfermant, en outre, de 5 à 35% en poids d'un agent de blanchiment oxygéné minéral du type perhydrate.
- Composition selon la revendication 9, dans laquelle l'agent de blanchiment oxygéné est le perborate de sodium monohydraté ou tétrahydraté.
- Composition selon l'une quelconque des revendications 9 et 10, renfermant, en outre, un précurseur d'agent de blanchiment de type peroxyacide organique.
- Composition selon la revendication 11, dans laquelle le précurseur d'agent de blanchiment se présente sous la forme d'un agrégat mélangé à sec de matière particulaire fine liée au moyen du monoester glycérylique.
- Composition selon la revendication 12, dans laquelle l'agrégat comprend un granulé (prill) formé par extrusion radiale ou axiale.
- Liqueur de lavage aqueuse comprenant de 100 à 25 000 ppm d'une composition selon l'une quelconque des revendications 1-13.
- Procédé de formation d'une liqueur de blanchissage selon la revendication 14, caractérisé en ce qu'il comprend l'étape d'addition d'un produit additif contenant le constituant ester glycérylique à une liqueur de lavage renfermant au moins le tensioactif anionique.
- Procédé de formation d'une liqueur de blanchissage selon la revendication 14, comprenant la dissolution d'une composition comprenant les constituants tensioactif anionique et agent séquestrant et l'addition à ceux-ci d'un produit additif comprenant les constituants non ionique éthoxylé et ester glycérylique.
- Procédé selon l'une quelconque des revendications 15 et 16, dans lequel le produit additif se présente sous la forme d'une feuille souple imprégnée.
- Procédé selon l'une quelconque des revendications 16 et 17, dans lequel la composition dissoute renferme aussi un agent de blanchiment oxygéné minéral du type perhydrate et le produit additif renferme un précurseur d'agent de blanchiment de type peroxyacide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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AT84301902T ATE70855T1 (de) | 1983-03-26 | 1984-03-21 | Detergenszusammensetzungen, detergensfluessigkeiten und verfahren fuer ihre zubereitung. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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GB838308406A GB8308406D0 (en) | 1983-03-26 | 1983-03-26 | Detergent compositions |
GB8308406 | 1983-03-26 | ||
GB8323127 | 1983-08-27 | ||
GB838323127A GB8323127D0 (en) | 1983-08-27 | 1983-08-27 | Detergent compositions |
Publications (3)
Publication Number | Publication Date |
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EP0123423A2 EP0123423A2 (fr) | 1984-10-31 |
EP0123423A3 EP0123423A3 (en) | 1988-08-10 |
EP0123423B1 true EP0123423B1 (fr) | 1991-12-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP84301902A Expired - Lifetime EP0123423B1 (fr) | 1983-03-26 | 1984-03-21 | Compositions détergentes, détergents liguides et méthodes pour leur préparation |
Country Status (5)
Country | Link |
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EP (1) | EP0123423B1 (fr) |
JP (1) | JPH064871B2 (fr) |
DE (1) | DE3485378D1 (fr) |
GR (1) | GR81844B (fr) |
IE (1) | IE57882B1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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NL8304144A (nl) * | 1983-12-02 | 1985-07-01 | Shell Int Research | Wasmiddelconcentraten. |
GB8728386D0 (en) * | 1987-12-04 | 1988-01-13 | Unilever Plc | Phosphate-free detergent bleach compositions |
JP2756000B2 (ja) * | 1989-08-25 | 1998-05-25 | 花王株式会社 | 第3級アミノアルコール及びその製造方法 |
DE4236109A1 (de) * | 1992-10-26 | 1994-04-28 | Henkel Kgaa | Flüssiges Waschmittel |
JPH07197083A (ja) * | 1993-12-28 | 1995-08-01 | Kao Corp | 洗浄剤組成物 |
BR9508088A (pt) * | 1994-06-20 | 1997-08-12 | Unilever Nv | Composição de limpeza antimicrobiana processo para desinfetar superfícies não vivas e uso em um processo para a preparação de uma coposição desinfetante |
US6150324A (en) * | 1997-01-13 | 2000-11-21 | Ecolab, Inc. | Alkaline detergent containing mixed organic and inorganic sequestrants resulting in improved soil removal |
US7754004B2 (en) * | 2005-07-06 | 2010-07-13 | Resource Development, L.L.C. | Thickened surfactant-free cleansing and multifunctional liquid coating compositions containing nonreactive abrasive solid particles and an organosilane quaternary compound and methods of using |
JP5688318B2 (ja) * | 2011-03-31 | 2015-03-25 | 花王株式会社 | 自動食器洗浄機用洗浄剤組成物 |
JP5611879B2 (ja) * | 2011-03-31 | 2014-10-22 | 花王株式会社 | 自動食器洗浄機用洗浄剤組成物 |
US20120324655A1 (en) | 2011-06-23 | 2012-12-27 | Nalini Chawla | Product for pre-treatment and laundering of stained fabric |
GB201316619D0 (en) * | 2013-09-19 | 2013-10-30 | Croda Int Plc | A stain treatment additive |
JP6407682B2 (ja) * | 2014-11-27 | 2018-10-17 | 花王株式会社 | 衣料用粉末洗剤組成物の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1564507A (en) * | 1976-01-16 | 1980-04-10 | Unilever Ltd | Detergent composition |
GB2040982A (en) * | 1977-06-23 | 1980-09-03 | Procter & Gamble | Detergent composition with a suds-regulaing system |
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Publication number | Priority date | Publication date | Assignee | Title |
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BE549817A (fr) | 1955-07-27 | |||
GB864798A (en) | 1958-03-20 | 1961-04-06 | Unilever Ltd | Bleaching processes and compositions |
US3519570A (en) | 1966-04-25 | 1970-07-07 | Procter & Gamble | Enzyme - containing detergent compositions and a process for conglutination of enzymes and detergent compositions |
BE714453A (fr) * | 1968-04-30 | 1968-09-16 | ||
US3533139A (en) | 1968-12-19 | 1970-10-13 | Roy A Gomes | Connector for glass crystals and like members |
US3632396A (en) * | 1969-04-28 | 1972-01-04 | Procter & Gamble | Dryer-added fabric-softening compositions |
GB1407997A (en) | 1972-08-01 | 1975-10-01 | Procter & Gamble | Controlled sudsing detergent compositions |
DE2353176A1 (de) | 1973-10-24 | 1975-05-07 | Henkel & Cie Gmbh | Verfahren zur herstellung von aetherpolycarbonsaeuren |
AT325590B (de) | 1974-03-04 | 1975-10-27 | Henkel & Cie Gmbh | Verfahren zur herstellung von ätherpolycarbonsäuren und deren alkalisalzen |
AT326098B (de) | 1974-03-04 | 1975-11-25 | Henkel & Cie Gmbh | Verfahren zur herstellung von ätherpolycarbonsäuren und deren alkalisalzen |
US4000340A (en) * | 1973-10-29 | 1976-12-28 | The Procter & Gamble Company | Clothes dryer additive containing crisping agents |
AU510901B2 (en) * | 1976-01-09 | 1980-07-17 | Procter & Gamble Company, The | Fabric softening method and device |
GB1586769A (en) | 1976-10-06 | 1981-03-25 | Procter & Gamble Ltd | Laundry additive product |
DE2646126A1 (de) | 1976-10-13 | 1978-04-20 | Baer Elektrowerke Kg | Schaltungsanordnung zur steuerung von elektrischen stromverbrauchern |
US4206852A (en) | 1979-01-26 | 1980-06-10 | Aluminum Company Of America | Linerless closure for pressurized container |
US4399049A (en) | 1981-04-08 | 1983-08-16 | The Procter & Gamble Company | Detergent additive compositions |
-
1984
- 1984-03-19 GR GR74153A patent/GR81844B/el unknown
- 1984-03-21 EP EP84301902A patent/EP0123423B1/fr not_active Expired - Lifetime
- 1984-03-21 DE DE8484301902T patent/DE3485378D1/de not_active Revoked
- 1984-03-23 IE IE72184A patent/IE57882B1/en not_active IP Right Cessation
- 1984-03-26 JP JP5807684A patent/JPH064871B2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1564507A (en) * | 1976-01-16 | 1980-04-10 | Unilever Ltd | Detergent composition |
GB2040982A (en) * | 1977-06-23 | 1980-09-03 | Procter & Gamble | Detergent composition with a suds-regulaing system |
Also Published As
Publication number | Publication date |
---|---|
JPH064871B2 (ja) | 1994-01-19 |
JPS601297A (ja) | 1985-01-07 |
IE840721L (en) | 1984-09-28 |
EP0123423A2 (fr) | 1984-10-31 |
IE57882B1 (en) | 1993-05-05 |
EP0123423A3 (en) | 1988-08-10 |
DE3485378D1 (de) | 1992-02-06 |
GR81844B (fr) | 1984-12-12 |
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