EP3775126A1 - Detergent - Google Patents
DetergentInfo
- Publication number
- EP3775126A1 EP3775126A1 EP19724494.0A EP19724494A EP3775126A1 EP 3775126 A1 EP3775126 A1 EP 3775126A1 EP 19724494 A EP19724494 A EP 19724494A EP 3775126 A1 EP3775126 A1 EP 3775126A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- weight
- weight based
- total weight
- total
- 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.)
- Pending
Links
- 239000003599 detergent Substances 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 140
- -1 alkylbenzene sulfonates Chemical class 0.000 claims abstract description 31
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 18
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 10
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000003839 salts Chemical group 0.000 claims description 15
- 229920002873 Polyethylenimine Polymers 0.000 claims description 13
- 238000007046 ethoxylation reaction Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 13
- 239000003352 sequestering agent Substances 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 7
- 229920001634 Copolyester Polymers 0.000 claims description 6
- 150000002009 diols Chemical class 0.000 claims description 5
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 4
- 229920005646 polycarboxylate Polymers 0.000 claims description 4
- 238000004900 laundering Methods 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 2
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims description 2
- 239000000463 material Substances 0.000 description 23
- 125000000217 alkyl group Chemical group 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 17
- 229910052708 sodium Inorganic materials 0.000 description 17
- 239000011734 sodium Substances 0.000 description 15
- 239000000178 monomer Substances 0.000 description 13
- 229920006261 self reinforced polyphenylene Polymers 0.000 description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 8
- 235000014113 dietary fatty acids Nutrition 0.000 description 8
- 239000000194 fatty acid Substances 0.000 description 8
- 229930195729 fatty acid Natural products 0.000 description 8
- 150000004665 fatty acids Chemical class 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 8
- 229910052700 potassium Inorganic materials 0.000 description 8
- 239000011591 potassium Substances 0.000 description 8
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 229940088598 enzyme Drugs 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000012644 addition polymerization Methods 0.000 description 3
- 239000003093 cationic surfactant Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 159000000001 potassium salts Chemical class 0.000 description 3
- 229960004063 propylene glycol Drugs 0.000 description 3
- 235000013772 propylene glycol Nutrition 0.000 description 3
- 229920001567 vinyl ester resin Polymers 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical group C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 238000010162 Tukey test Methods 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
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 239000008365 aqueous carrier Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004064 cosurfactant Substances 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229940093476 ethylene glycol Drugs 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 239000006254 rheological additive Substances 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- 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 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- SFHBJXIEBWOOFA-UHFFFAOYSA-N 5-methyl-3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical compound O=C1OC(C)COC(=O)C2=CC=C1C=C2 SFHBJXIEBWOOFA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 102100032487 Beta-mannosidase Human genes 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 241000207199 Citrus Species 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 239000004367 Lipase Substances 0.000 description 1
- 102000004882 Lipase Human genes 0.000 description 1
- 108090001060 Lipase Proteins 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
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- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- OWXLRKWPEIAGAT-UHFFFAOYSA-N [Mg].[Cu] Chemical compound [Mg].[Cu] OWXLRKWPEIAGAT-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
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- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001153 anti-wrinkle effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 108010055059 beta-Mannosidase Proteins 0.000 description 1
- CMFFZBGFNICZIS-UHFFFAOYSA-N butanedioic acid;2,3-dihydroxybutanedioic acid Chemical class OC(=O)CCC(O)=O.OC(=O)CCC(O)=O.OC(=O)C(O)C(O)C(O)=O CMFFZBGFNICZIS-UHFFFAOYSA-N 0.000 description 1
- HXDRSFFFXJISME-UHFFFAOYSA-N butanedioic acid;2,3-dihydroxybutanedioic acid Chemical class OC(=O)CCC(O)=O.OC(=O)C(O)C(O)C(O)=O HXDRSFFFXJISME-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
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- 150000001768 cations Chemical class 0.000 description 1
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- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical class OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
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- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
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- 235000019421 lipase Nutrition 0.000 description 1
- 229920001427 mPEG Polymers 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003346 palm kernel oil Substances 0.000 description 1
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- 230000002085 persistent effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical class [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
- AVTYONGGKAJVTE-UHFFFAOYSA-L potassium tartrate Chemical class [K+].[K+].[O-]C(=O)C(O)C(O)C([O-])=O AVTYONGGKAJVTE-UHFFFAOYSA-L 0.000 description 1
- 239000001472 potassium tartrate Substances 0.000 description 1
- 235000011005 potassium tartrates Nutrition 0.000 description 1
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N protonated dimethyl amine Natural products CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- 239000003760 tallow Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- JZBRFIUYUGTUGG-UHFFFAOYSA-J tetrapotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical class [K+].[K+].[K+].[K+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JZBRFIUYUGTUGG-UHFFFAOYSA-J 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- JEVFKQIDHQGBFB-UHFFFAOYSA-K tripotassium;2-[bis(carboxylatomethyl)amino]acetate Chemical class [K+].[K+].[K+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O JEVFKQIDHQGBFB-UHFFFAOYSA-K 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000008096 xylene 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
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
-
- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- 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
-
- C11D2111/12—
Definitions
- the present invention relates to liquid laundry detergents having enhanced oily soil removal activity.
- WO2009153184 describes such an approach, where the preferred formulations have high amounts of soil release polymer and antiredeposition polymer relative to the total detersive surfactants level.
- the present invention addresses this problem.
- the present invention provides a liquid laundry detergent composition
- a liquid laundry detergent composition comprising: a) from 8 to 15% (by weight based on the total weight of the composition) of anionic surfactants selected from linear alkylbenzene sulfonates and mixtures thereof with alkyl ether sulfate; b) from 1 to 5% (by weight based on the total weight of the composition) of nonionic surfactants selected from Cs to Cie primary or secondary linear or branched alcohol ethoxylates with an average of from 2 to 40 moles of ethylene oxide per mole of alcohol; c) from 0.5 to 15% (by weight based on the total weight of the composition) of
- polymeric cleaning boosters selected from antiredeposition polymers, soil release polymers and mixtures thereof; in which the total amount of anionic surfactants (a) + nonionic surfactants (b) ranges from 9 to 20% (by weight based on the total weight of the composition); and in which the weight ratio of anionic surfactants (a) to nonionic surfactants (b) ranges from 3:1 to 12:1.
- laundry detergent in the context of this invention denotes formulated compositions intended for and capable of wetting and cleaning domestic laundry such as clothing, linens and other household textiles.
- the term“linen” is often used to describe certain types of laundry items including bed sheets, pillow cases, towels, tablecloths, table napkins and uniforms.
- Textiles can include woven fabrics, non-woven fabrics, and knitted fabrics; and can include natural or synthetic fibres such as silk fibres, linen fibres, cotton fibres, polyester fibres, polyamide fibres such as nylon, acrylic fibres, acetate fibres, and blends thereof including cotton and polyester blends.
- liquid laundry detergents include heavy-duty liquid laundry detergents for use in the wash cycle of automatic washing machines, as well as liquid fine wash and liquid colour care detergents such as those suitable for washing delicate garments (e.g those made of silk or wool) either by hand or in the wash cycle of automatic washing machines.
- liquid laundry detergents include heavy-duty liquid laundry detergents for use in the wash cycle of automatic washing machines, as well as liquid fine wash and liquid colour care detergents such as those suitable for washing delicate garments (e.g those made of silk or wool) either by hand or in the wash cycle of automatic washing machines.
- liquid in the context of this invention denotes that a continuous phase or predominant part of the composition is liquid and that the composition is flowable at 15°C and above. Accordingly the term“liquid” may encompass emulsions, suspensions, and compositions having flowable yet stiffer consistency, known as gels or pastes.
- the viscosity of the composition may suitably range from about 200 to about 10,000 mPa.s at 25°C at a shear rate of 21 sec 1 . This shear rate is the shear rate that is usually exerted on the liquid when poured from a bottle.
- Pourable liquid detergent compositions generally have a viscosity of from 200 to 2,500 mPa.s, preferably from 200 to 1500 mPa.s.
- Liquid detergent compositions which are pourable gels generally have a viscosity of from 1 ,500 mPa.s to 6,000 mPa.s, preferably from 1 ,500 mPa.s to 2,000 mPa.s.
- a composition of the invention may generally comprise from 5 to 95%, preferably from 10 to 90%, more preferably from 15 to 85% water (by weight based on the total weight of the composition).
- the composition may also incorporate non-aqueous carriers such as hydrotropes, co-solvents and phase stabilizers.
- non-aqueous carriers such as hydrotropes, co-solvents and phase stabilizers.
- Such materials are typically low molecular weight, water-soluble or water-miscible organic liquids such as C1 to C5 monohydric alcohols (such as ethanol and n- or i-propanol); C2 to C6 diols (such as monopropylene glycol and dipropylene glycol); C3 to C9 triols (such as glycerol);
- polyethylene glycols having a weight average molecular weight (M w ) ranging from about 200 to 600; C1 to C3 alkanolamines such as mono-, di- and triethanolamines; and alkyl aryl sulfonates having up to 3 carbon atoms in the lower alkyl group (such as the sodium and potassium xylene, toluene, ethylbenzene and isopropyl benzene (cumene) sulfonates).
- M w weight average molecular weight
- C1 to C3 alkanolamines such as mono-, di- and triethanolamines
- alkyl aryl sulfonates having up to 3 carbon atoms in the lower alkyl group (such as the sodium and potassium xylene, toluene, ethylbenzene and isopropyl benzene (cumene) sulfonates).
- Non-aqueous carriers when included, may be present in an amount ranging from 0.1 to 20%, preferably from 1 to 15%, and more preferably from 3 to 12% (by weight based on the total weight of the composition).
- the composition of the invention preferably has a pH in the range of 5 to 9, more preferably 6 to 8, when measured on dilution of the composition to 1 % using
- composition of the invention comprises from 8 to 15% (by weight based on the total weight of the composition) of anionic surfactants (a) selected from linear alkylbenzene sulfonates and mixtures thereof with alkyl ether sulfate.
- anionic surfactants selected from linear alkylbenzene sulfonates and mixtures thereof with alkyl ether sulfate.
- Linear alkylbenzene sulfonates for use in the invention generally contain from about 10 to about 18 carbon atoms in the linear alkyl chain.
- Commercial LAS is a mixture of closely related isomers and alkyl chain homologues, each containing an aromatic ring sulfonated at the“para” position and attached to a linear alkyl chain at any position except the terminal carbons.
- the linear alkyl chain typically has a chain length of from 11 to 15 carbon atoms, with the predominant materials having a chain length of from 12 to 14 carbon atoms.
- Each alkyl chain homologue consists of a mixture of all the possible sulfophenyl isomers. except for the 1 -phenyl isomer.
- LAS is produced as a salt by neutralizing it with a suitable counterion, which is typically selected from alkali metals such as sodium and potassium (preferably sodium); or ammoniacal counterions such as ammonium, monoethanolamine (MEA) and triethanolamine (TEA). Mixtures of such counterions may also be employed.
- LAS may be formulated into compositions in acid (i.e. HLAS) form and then at least partially neutralized in-situ.
- Alkyl ether sulfates (AES) for use in the invention generally contain a straight or branched chain alkyl group having 10 to 16 carbon atoms.
- Preferred types of AES have a structure corresponding to general formula (I):
- M is preferably sodium, potassium, ammonium or ethanolamine
- R is preferably a linear alkyl group having from 12 to 14 carbon atoms, and the average degree of ethoxylation n preferably ranges from 2.5 to 3.5.
- AES generally contain a mixture of homologues and the degree of ethoxylation is a statistical average value which may be an integer or a fraction.
- the value of n in general formula (I) is governed by the starting molar ratio of ethylene oxide to aliphatic alcohol in the ethoxylation reaction and the temperature, time and catalytic conditions under which the ethoxylation reaction takes place.
- a commercially produced AES having general formula (I) will usually comprise a mixture of homologues in which from 55 to 80 mol% of the total mixture is made up of homologues with ethoxy chains of 5EO or less (down to OEO, i.e. unethoxylated alkyl sulfate), with the remainder of the mixture made up of homologues with ethoxy chains of 6EO or more (up to about 10EO).
- Higher homologues e.g. up to about 15EO
- a preferred mixture of anionic surfactants (a) for use in the invention contains:
- the weight ratio of (ai):(aii) in the mixture preferably ranges from 1 :1 to 4:1 , more preferably from 2:1 to 3:1.
- the total amount of anionic surfactants (a) in a composition of the invention preferably ranges from 10 to 14% (by weight based on the total weight of the composition).
- the composition of the invention comprises from 1 to 5% (by weight based on the total weight of the composition) of nonionic surfactants (b).
- Preferred aliphatic alcohol ethoxylates for use in the invention may be selected from C12 to C15 primary linear alcohol ethoxylates with an average of from 3 to 20, more preferably from 5 to 10, most preferably 7 to 9 moles of ethylene oxide per mole of alcohol.
- the total amount of nonionic surfactants (b) in a composition of the invention preferably ranges from 1 to 3.5% (by weight based on the total weight of the composition).
- the weight ratio of anionic surfactants (a) to nonionic surfactants (b) in a composition of the invention preferably ranges rom 3:1 to 10:1 , more preferably from 3.5:1 to 9.5:1.
- the total amount of anionic surfactants (a) + nonionic surfactants (b) in a composition of the invention preferably ranges from 11 to 18%, more preferably from 12 to 16% (by weight based on the total weight of the composition).
- a particularly preferred composition of the invention comprises, as the anionic surfactants
- composition of the invention comprises from 0.5 to 15% (by weight based on the total weight of the composition) of polymeric cleaning boosters (c) selected from antiredeposition polymers, soil release polymers and mixtures thereof.
- SRPs help to improve the detachment of soils from fabric by modifying the fabric surface during washing.
- the adsorption of a SRP over the fabric surface is promoted by an affinity between the chemical structure of the SRP and the target fibre.
- SRPs for use in the invention may include a variety of charged (e.g. anionic) as well as non-charged monomer units and structures may be linear, branched or star-shaped.
- the SRP structure may also include capping groups to control molecular weight or to alter polymer properties such as surface activity.
- the weight average molecular weight (M w ) of the SRP may suitably range from about 1000 to about 20,000 and preferably ranges from about 1500 to about 10,000.
- SRPs for use in the invention may suitably be selected from copolyesters of dicarboxylic acids (for example adipic acid, phthalic acid or terephthalic acid) with diols (for example ethylene glycol or propylene glycol) and polydiols (for example polyethylene glycol or polypropylene glycol).
- the copolyester may also include monomeric units substituted with anionic groups, such as for example sulfonated isophthaloyl units.
- oligomeric esters produced by transesterification/oligomerization of poly(ethyleneglycol) methyl ether, dimethyl terephthalate (“DMT”), propylene glycol (“PG”) and poly(ethyleneglycol) (“PEG”); partly- and fully-anionic-end-capped oligomeric esters such as oligomers from ethylene glycol (“EG”), PG, DMT and Na-3,6-dioxa-8- hydroxyoctanesulfonate; nonionic-capped block polyester oligomeric compounds such as those produced from DMT, Me-capped PEG and EG and/or PG, or a combination of DMT, EG and/or PG, Me-capped PEG and Na-dimethyl-5-sulfoisophthalate, and copolymeric blocks of ethylene terephthalate or propylene terephthalate with polyethylene oxide or polypropylene oxide terephthalate.
- DMT dimethyl terephthalate
- PG propylene
- cellulosic derivatives such as hydroxyether cellulosic polymers, Ci-C alkylcelluloses and C 4 hydroxyalkyl celluloses
- polymers with poly(vinyl ester) hydrophobic segments such as
- Preferred SRPs for use in the invention include copolyesters formed by condensation of terephthalic acid ester and diol, preferably 1 ,2 propanediol, and further comprising an end cap formed from repeat units of alkylene oxide capped with an alkyl group. Examples of such materials have a structure corresponding to general formula (I):
- R 1 and R 2 independently of one another are X-(OC2H4) n -(OC3H6) m ;
- X is Ci -4 alkyl and preferably methyl
- n is a number from 12 to 120, preferably from 40 to 50;
- n is a number from 1 to 10, preferably from 1 to 7;
- a is a number from 4 to 9.
- n, n and a are not necessarily whole numbers for the polymer in bulk.
- the total amount of SRP in a composition of the invention preferably ranges from 0.1 to 5%, more preferably from 0.2 to 2% (by weight based on the total weight of the composition) of one or more SRPs (such as, for example, the copolyesters of general formula (I) as are described above).
- Anti-redeposition polymers stabilise the soil in the wash solution thus preventing redeposition of the soil.
- Suitable anti-redeposition polymers for use in the invention include alkoxylated polyethyleneimines.
- Polyethyleneimines are materials composed of ethylene imine units -CH2CH2NH- and, where branched, the hydrogen on the nitrogen is replaced by another chain of ethylene imine units.
- Preferred alkoxylated polyethyleneimines are materials composed of ethylene imine units -CH2CH2NH- and, where branched, the hydrogen on the nitrogen is replaced by another chain of ethylene imine units.
- polyethylenimines for use in the invention have a polyethyleneimine backbone of about 300 to about 10000 weight average molecular weight (M w ).
- the polyethyleneimine backbone may be linear or branched. It may be branched to the extent that it is a dendrimer.
- the alkoxylation may typically be ethoxylation or propoxylation, or a mixture of both. Where a nitrogen atom is alkoxylated, a preferred average degree of alkoxylation is from 10 to 30, preferably from 15 to 25 alkoxy groups per modification.
- a preferred material is ethoxylated polyethyleneimine, with an average degree of ethoxylation being from 10 to 30, preferably from 15 to 25 ethoxy groups per ethoxylated nitrogen atom in the polyethyleneimine backbone.
- Another type of suitable anti-redeposition polymer for use in the invention includes cellulose esters and ethers, for example sodium
- the total amount of anti-redeposition polymer in a composition of the invention preferably ranges from 0.05 to 6%, more preferably from 0.5 to 5% (by weight based on the total weight of the composition).
- a composition of the invention preferably comprises, as the polymeric cleaning boosters (c), a mixture of SRP (as further described above) and antiredeposition polymer (as further described above).
- a particularly preferred composition of the invention comprises, as the polymeric cleaning boosters (c):
- polyethyleneimine backbone of 300 to 10000 weight average molecular weight (M w ).and an average degree of ethoxylation of from 15 to 25 ethoxy groups per ethoxylated nitrogen atom in the polyethyleneimine backbone.
- the total amount of polymeric cleaning boosters (c) in a composition of the invention preferably ranges from 0.5 to 10%, more preferably from 1 to 5% (by weight based on the total weight of the composition).
- composition of the invention may contain further optional ingredients to enhance performance and/or consumer acceptability, as follows:
- a composition of the invention may contain one or more cosurfactants (such as amphoteric (zwitterionic) and/or cationic surfactants) in addition to the anionic surfactants (a) and nonionic surfactants (b) described above.
- cosurfactants such as amphoteric (zwitterionic) and/or cationic surfactants
- Specific cationic surfactants include Csto Cis alkyl dimethyl ammonium halides and derivatives thereof in which one or two hydroxyethyl groups replace one or two of the methyl groups, and mixtures thereof.
- Cationic surfactant when included, may be present in an amount ranging from about 0.1 to about 5% (by weight based on the total weight of the composition).
- amphoteric (zwitterionic) surfactants include alkyl amine oxides, alkyl betaines, alkyl amidopropyl betaines, alkyl sulphobetaines (sultaines), alkyl glycinates, alkyl carboxyglycinates, alkyl amphoacetates, alkyl amphopropionates, alkylamphoglycinates, alkyl amidopropyl hydroxysultaines, acyl taurates and acyl glutamates, having alkyl radicals containing from about 8 to about 22 carbon atoms, the term“alkyl” being used to include the alkyl portion of higher acyl radicals.
- Amphoteric (zwitterionic) surfactant, when included, may be present in an amount ranging from about 0.1 to about 5% (by weight based on the total weight of the composition).
- a composition of the invention will preferably include one or more sequestrants.
- Sequestrants may help to enhance or maintain the cleaning efficiency of the composition, primarily by coordinating (i.e. binding) those metal ions which might otherwise interfere with cleaning action.
- metal ions which are commonly found in wash water include divalent and trivalent metal ions such as ferrous, ferric, manganese, copper magnesium and calcium ions.
- Suitable sequestrants for use in the invention include phosphonates, in acid and/or salt form.
- alkali metal e.g. sodium and potassium
- alkali metal e.g. sodium and potassium
- alkanolammonium salts are preferred.
- specific examples of such materials include aminotris(methylene phosphonic acid) (ATMP), 1-hydroxyethylidene diphosphonic acid (HEDP) and diethylenetriamine penta(methylene phosphonic acid (DTPMP) and their respective sodium or potassium salts.
- a preferred phosphonate sequestrant for use in the invention is HEDP.
- sequestrant for use in the invention include polycarboxylates, in acid and/or salt form.
- alkali metal e.g. sodium and potassium
- alkanolammonium salts are preferred.
- Specific examples of such materials include sodium and potassium citrates, sodium and potassium tartrates, the sodium and potassium salts of tartaric acid monosuccinate, the sodium and potassium salts of tartaric acid disuccinate, sodium and potassium ethylenediaminetetraacetates, sodium and potassium N(2-hydroxyethyl)-ethylenediamine triacetates, sodium and potassium nitrilotriacetates and sodium and potassium N-(2-hydroxyethyl)-nitrilodiacetates.
- Polymeric polycarboxylates may also be used, such as polymers of unsaturated monocarboxylic acids (e.g. acrylic, methacrylic, vinylacetic, and crotonic acids) and/or unsaturated dicarboxylic acids (e.g. maleic, fumaric, itaconic, mesaconic and citraconic acids and their anhydrides).
- unsaturated monocarboxylic acids e.g. acrylic, methacrylic, vinylacetic, and crotonic acids
- unsaturated dicarboxylic acids e.g. maleic, fumaric, itaconic, mesaconic and citraconic acids and their anhydrides
- Specific examples of such materials include polyacrylic acid, polymaleic acid, and copolymers of acrylic and maleic acid.
- the polymers may be in acid, salt or partially neutralised form and may suitably have a molecular weight (Mw) ranging from about 1 ,000 to 100,000, preferably from about 2,000 to about 85,000,
- Sequestrant when included, may be present in an amount ranging from about 0.1 to about 10%, preferably from about 0.5 to about 5%, more preferably from about 1 to about 4% (by weight based on the total weight of the composition).
- a composition of the invention may in some cases contain one or more fatty acids and/or salts thereof.
- Suitable fatty acids in the context of this invention include aliphatic carboxylic acids of formula RCOOH, where R is a linear or branched alkyl or alkenyl chain containing from 6 to 24, more preferably 10 to 22, most preferably from 12 to 18 carbon atoms and 0 or 1 double bond.
- R is a linear or branched alkyl or alkenyl chain containing from 6 to 24, more preferably 10 to 22, most preferably from 12 to 18 carbon atoms and 0 or 1 double bond.
- saturated C12-18 fatty acids such as lauric acid, myristic acid, palmitic acid or stearic acid
- fatty acid mixtures in which 50 to 100% (by weight based on the total weight of the mixture) consists of saturated C12-18 fatty acids.
- Such mixtures may typically be derived from natural fats and/or optionally hydrogenated natural oils (such as coconut oil, palm kernel oil or tallow).
- the fatty acids may be present in the form of their sodium, potassium or ammonium salts and/or in the form of soluble salts of organic bases, such as mono-, di- or triethanolamine.
- Fatty acids and/or their salts when included, may be present in an amount ranging from about 0.25 to 5%, more preferably from 0.5 to 5%, most preferably from 0.75 to 4% (by weight based on the total weight of the composition).
- Rheology modifiers when included, may be present in an amount ranging from about 0.25 to 5%, more preferably from 0.5 to 5%, most preferably from 0.75 to 4% (by weight based on the total weight of the composition).
- a composition of the invention may comprise one or more rheology modifiers.
- examples of such materials include polymeric thickeners and/or structurants such as
- HASE copolymers for use in the invention include linear or crosslinked copolymers that are prepared by the addition polymerization of a monomer mixture including at least one acidic vinyl monomer, such as (meth)acrylic acid (i.e. methacrylic acid and/or acrylic acid); and at least one associative monomer.
- acidic vinyl monomer such as (meth)acrylic acid (i.e. methacrylic acid and/or acrylic acid); and at least one associative monomer.
- associative monomer in the context of this invention denotes a monomer having an ethylenically unsaturated section (for addition polymerization with the other monomers in the mixture) and a hydrophobic section.
- a preferred type of associative monomer includes a polyoxyalkylene section between the ethylenically unsaturated section and the hydrophobic section.
- Preferred HASE copolymers for use in the invention include linear or crosslinked copolymers that are prepared by the addition polymerization of (meth)acrylic acid with (i) at least one associative monomer selected from linear or branched C8-C40 alkyl (preferably linear C12- C22 alkyl) polyethoxylated (meth)acrylates; and (ii) at least one further monomer selected from C1-C4 alkyl (meth) acrylates, polyacidic vinyl monomers (such as maleic acid, maleic anhydride and/or salts thereof) and mixtures thereof.
- the polyethoxylated portion of the associative monomer (i) generally comprises about 5 to about 100, preferably about 10 to about 80, and more preferably about 15 to about 60 oxyethylene repeating units.
- a composition of the invention will preferably comprise from 0.1 to 5% (by weight based on the total weight of the composition) of one or more polymeric thickeners such as, for example, the HASE copolymers which are described above.
- compositions of the invention may also have their rheology modified by use of one or more external structurants which form a structuring network within the composition.
- external structurants include hydrogenated castor oil, microfibrous cellulose and citrus pulp fibre.
- the presence of an external structurant may provide shear thinning rheology and may also enable materials such as encapsulates and visual cues to be suspended stably in the liquid.
- a composition of the invention may comprise an effective amount of one or more enzyme selected from the group comprising, pectate lyase, protease, amylase, cellulase, lipase, mannanase and mixtures thereof.
- the enzymes are preferably present with
- a composition of the invention may contain further optional ingredients to enhance performance and/or consumer acceptability.
- additional optional ingredients include foam boosting agents, preservatives (e.g. bactericides), polyelectrolytes, anti-shrinking agents, anti-wrinkle agents, anti-oxidants, sunscreens, anti-corrosion agents, drape imparting agents, anti-static agents, ironing aids, colorants, pearlisers and/or opacifiers, and shading dye.
- foam boosting agents e.g. bactericides
- preservatives e.g. bactericides
- polyelectrolytes e.g. bactericides
- anti-shrinking agents e.g. bactericides
- anti-wrinkle agents e.g. bactericides
- anti-oxidants e.g. s, sunscreens, anti-corrosion agents, drape imparting agents, anti-static agents, ironing aids, colorants, pearlisers and/or opacifiers, and shading dye.
- a composition of the invention may be packaged as unit doses in polymeric film soluble in the wash water.
- a composition of the invention may be supplied in multidose plastics packs with a top or bottom closure.
- a dosing measure may be supplied with the pack either as a part of the cap or as an integrated system.
- a method of laundering fabric using a composition of the invention will usually involve diluting the dose of composition to obtain a wash liquor, and washing fabrics with the wash liquor so formed.
- the method of laundering fabric may suitably be carried out in a top-loading or front-loading automatic washing machine, or can be carried out by hand.
- the dose of composition is typically put into a dispenser and from there it is flushed into the machine by the water flowing into the machine, thereby forming the wash liquor.
- Dosages for a typical front-loading washing machine (using 10 to 15 litres of water to form the wash liquor) may range from about 10 ml to about 60 ml, preferably about 15 to 40 ml.
- Dosages for a typical top-loading washing machine (using from 40 to 60 litres of water to form the wash liquor) may be higher, e.g. up to about 100 ml.
- Lower dosages of composition e.g. 50 ml or less) may be used for hand washing methods (using about 1 to 10 litres of water to form the wash liquor).
- a subsequent aqueous rinse step and drying the laundry is preferred. Any input of water during any optional rinsing step(s) is not included when determining the volume of the wash liquor.
- the laundry drying step can take place either in an automatic dryer or in the open air.
- Liquid laundry detergent formulations were prepared by sequential mixing of the ingredients as shown in Table 1. Compositions according to the invention are indicated by a number; and comparative examples (not according to the invention) are indicated by a letter. Table 1
- the detergents were used to wash a lard stain on cotton (lard and violet dye stain on CN42 sourced from Warwick Equest) in a Terg-o-tometer for 30 minutes in 1 litre of 24° French Hard water at 313K at a dose of 2.33g/L. 40g total fabric was placed in the Terg-o-tometer being an equal weight mix of woven cotton and polyester.
Abstract
Description
Claims
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WO2009153184A1 (en) | 2008-06-16 | 2009-12-23 | Unilever Plc | Improvements relating to fabric cleaning |
WO2015078764A1 (en) * | 2013-11-27 | 2015-06-04 | Unilever Plc | Laundry compositions |
CN106715664B (en) * | 2014-09-18 | 2019-09-17 | 荷兰联合利华有限公司 | Liquid whitening composition |
JP6600361B2 (en) * | 2015-01-08 | 2019-10-30 | ステパン カンパニー | Cold water laundry detergent |
US10053651B2 (en) * | 2015-05-22 | 2018-08-21 | The Procter & Gamble Company | Method of making surfactant compositions and detergent compositions |
BR112018070468B1 (en) * | 2016-04-08 | 2022-07-12 | Unilever Ip Holdings B.V | AQUEOUS LIQUID DETERGENT COMPOSITION FOR WASHING CLOTHES AND DOMESTIC FABRIC TREATMENT METHOD |
CN107502467A (en) * | 2017-09-01 | 2017-12-22 | 中国日用化学工业研究院 | A kind of transparent liquid detergent composition and preparation method with antiredeposition function |
-
2019
- 2019-05-16 CN CN201980034311.0A patent/CN112236508B/en active Active
- 2019-05-16 WO PCT/EP2019/062577 patent/WO2019238350A1/en active Search and Examination
- 2019-05-16 EP EP19724494.0A patent/EP3775126A1/en active Pending
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2020
- 2020-10-29 ZA ZA2020/06780A patent/ZA202006780B/en unknown
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CN112236508A (en) | 2021-01-15 |
CN112236508B (en) | 2022-01-25 |
WO2019238350A1 (en) | 2019-12-19 |
ZA202006780B (en) | 2022-07-27 |
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