CA2929357A1 - Laundry additive and drum treatment - Google Patents
Laundry additive and drum treatment Download PDFInfo
- Publication number
- CA2929357A1 CA2929357A1 CA2929357A CA2929357A CA2929357A1 CA 2929357 A1 CA2929357 A1 CA 2929357A1 CA 2929357 A CA2929357 A CA 2929357A CA 2929357 A CA2929357 A CA 2929357A CA 2929357 A1 CA2929357 A1 CA 2929357A1
- Authority
- CA
- Canada
- Prior art keywords
- additive
- zinc ricinoleate
- less
- liquid laundry
- surfactant
- 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
- 239000000654 additive Substances 0.000 title claims abstract description 114
- 230000000996 additive effect Effects 0.000 title claims abstract description 111
- 238000011282 treatment Methods 0.000 title description 3
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 239000000203 mixture Substances 0.000 claims abstract description 53
- 238000005406 washing Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 23
- GAWWVVGZMLGEIW-GNNYBVKZSA-L zinc ricinoleate Chemical compound [Zn+2].CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O.CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O GAWWVVGZMLGEIW-GNNYBVKZSA-L 0.000 claims description 96
- 229940100530 zinc ricinoleate Drugs 0.000 claims description 95
- 239000004094 surface-active agent Substances 0.000 claims description 74
- 239000003599 detergent Substances 0.000 claims description 40
- 239000001913 cellulose Substances 0.000 claims description 25
- 229920002678 cellulose Polymers 0.000 claims description 25
- 125000004181 carboxyalkyl group Chemical group 0.000 claims description 23
- 239000003205 fragrance Substances 0.000 claims description 17
- 239000003139 biocide Substances 0.000 claims description 16
- 239000003945 anionic surfactant Substances 0.000 claims description 15
- 230000003115 biocidal effect Effects 0.000 claims description 14
- 239000002736 nonionic surfactant Substances 0.000 claims description 14
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 239000002280 amphoteric surfactant Substances 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 238000010412 laundry washing Methods 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 5
- 108090000790 Enzymes Proteins 0.000 claims description 5
- 229920000858 Cyclodextrin Polymers 0.000 claims description 4
- 239000007844 bleaching agent Substances 0.000 claims description 4
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 150000003505 terpenes Chemical class 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 229920001282 polysaccharide Polymers 0.000 claims description 2
- 239000005017 polysaccharide Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 5
- 239000003125 aqueous solvent Substances 0.000 claims 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims 1
- 235000019645 odor Nutrition 0.000 abstract 2
- -1 softeners Substances 0.000 description 46
- 229960003237 betaine Drugs 0.000 description 20
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 19
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 description 19
- 239000000194 fatty acid Substances 0.000 description 14
- 235000014113 dietary fatty acids Nutrition 0.000 description 13
- 229930195729 fatty acid Natural products 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 10
- 150000002148 esters Chemical class 0.000 description 10
- 150000004665 fatty acids Chemical group 0.000 description 10
- 150000002191 fatty alcohols Chemical class 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 150000002170 ethers Chemical class 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000003760 tallow Substances 0.000 description 9
- 239000004744 fabric Substances 0.000 description 8
- 150000001298 alcohols Chemical class 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 125000000217 alkyl group Chemical class 0.000 description 5
- 239000002979 fabric softener Substances 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 239000003755 preservative agent Substances 0.000 description 5
- 239000000344 soap Substances 0.000 description 5
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000004359 castor oil Substances 0.000 description 4
- 235000019438 castor oil Nutrition 0.000 description 4
- 239000003093 cationic surfactant Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 4
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 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 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- 239000004460 silage Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- 235000013162 Cocos nucifera Nutrition 0.000 description 3
- 244000060011 Cocos nucifera Species 0.000 description 3
- 239000004166 Lanolin Substances 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 239000004599 antimicrobial Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 235000019388 lanolin Nutrition 0.000 description 3
- 229940039717 lanolin Drugs 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- 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 2
- ZKWJQNCOTNUNMF-QXMHVHEDSA-N 2-[dimethyl-[3-[[(z)-octadec-9-enoyl]amino]propyl]azaniumyl]acetate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O ZKWJQNCOTNUNMF-QXMHVHEDSA-N 0.000 description 2
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 2
- 229940099451 3-iodo-2-propynylbutylcarbamate Drugs 0.000 description 2
- WYVVKGNFXHOCQV-UHFFFAOYSA-N 3-iodoprop-2-yn-1-yl butylcarbamate Chemical compound CCCCNC(=O)OCC#CI WYVVKGNFXHOCQV-UHFFFAOYSA-N 0.000 description 2
- 235000021357 Behenic acid Nutrition 0.000 description 2
- UYWQUFXKFGHYNT-UHFFFAOYSA-N Benzylformate Chemical compound O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 2
- GLZPCOQZEFWAFX-UHFFFAOYSA-N Geraniol Chemical compound CC(C)=CCCC(C)=CCO GLZPCOQZEFWAFX-UHFFFAOYSA-N 0.000 description 2
- 239000005639 Lauric acid Substances 0.000 description 2
- BTJXBZZBBNNTOV-UHFFFAOYSA-N Linalyl benzoate Chemical compound CC(C)=CCCC(C)(C=C)OC(=O)C1=CC=CC=C1 BTJXBZZBBNNTOV-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229920006322 acrylamide copolymer Polymers 0.000 description 2
- 125000000278 alkyl amino alkyl group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 229940116226 behenic acid Drugs 0.000 description 2
- QUKGYYKBILRGFE-UHFFFAOYSA-N benzyl acetate Chemical compound CC(=O)OCC1=CC=CC=C1 QUKGYYKBILRGFE-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- MRUAUOIMASANKQ-UHFFFAOYSA-O carboxymethyl-[3-(dodecanoylamino)propyl]-dimethylazanium Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC(O)=O MRUAUOIMASANKQ-UHFFFAOYSA-O 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- QMVPMAAFGQKVCJ-UHFFFAOYSA-N citronellol Chemical compound OCCC(C)CCC=C(C)C QMVPMAAFGQKVCJ-UHFFFAOYSA-N 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Natural products O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000417 fungicide Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 2
- CDOSHBSSFJOMGT-UHFFFAOYSA-N linalool Chemical compound CC(C)=CCCC(C)(O)C=C CDOSHBSSFJOMGT-UHFFFAOYSA-N 0.000 description 2
- UWKAYLJWKGQEPM-LBPRGKRZSA-N linalyl acetate Chemical compound CC(C)=CCC[C@](C)(C=C)OC(C)=O UWKAYLJWKGQEPM-LBPRGKRZSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229940063557 methacrylate Drugs 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 150000007530 organic bases Chemical class 0.000 description 2
- MDHYEMXUFSJLGV-UHFFFAOYSA-N phenethyl acetate Chemical compound CC(=O)OCCC1=CC=CC=C1 MDHYEMXUFSJLGV-UHFFFAOYSA-N 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 125000006850 spacer group Chemical group 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
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 2
- RUVINXPYWBROJD-ONEGZZNKSA-N trans-anethole Chemical compound COC1=CC=C(\C=C\C)C=C1 RUVINXPYWBROJD-ONEGZZNKSA-N 0.000 description 2
- 239000001490 (3R)-3,7-dimethylocta-1,6-dien-3-ol Substances 0.000 description 1
- QMVPMAAFGQKVCJ-SNVBAGLBSA-N (R)-(+)-citronellol Natural products OCC[C@H](C)CCC=C(C)C QMVPMAAFGQKVCJ-SNVBAGLBSA-N 0.000 description 1
- PHIQHXFUZVPYII-ZCFIWIBFSA-O (R)-carnitinium Chemical compound C[N+](C)(C)C[C@H](O)CC(O)=O PHIQHXFUZVPYII-ZCFIWIBFSA-O 0.000 description 1
- CDOSHBSSFJOMGT-JTQLQIEISA-N (R)-linalool Natural products CC(C)=CCC[C@@](C)(O)C=C CDOSHBSSFJOMGT-JTQLQIEISA-N 0.000 description 1
- YYMCVDNIIFNDJK-XFQWXJFMSA-N (z)-1-(3-fluorophenyl)-n-[(z)-(3-fluorophenyl)methylideneamino]methanimine Chemical compound FC1=CC=CC(\C=N/N=C\C=2C=C(F)C=CC=2)=C1 YYMCVDNIIFNDJK-XFQWXJFMSA-N 0.000 description 1
- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 description 1
- WCIQNYOXLZQQMU-UHFFFAOYSA-N 1-Phenylethyl propanoate Chemical compound CCC(=O)OC(C)C1=CC=CC=C1 WCIQNYOXLZQQMU-UHFFFAOYSA-N 0.000 description 1
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N 1-Tetradecanol Natural products CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 1
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
- IGMPUMZBWDXPNW-UHFFFAOYSA-N 2,3-dihydroxypropyl hexadecanoate;2-hydroxypropanoic acid Chemical compound CC(O)C(O)=O.CCCCCCCCCCCCCCCC(=O)OCC(O)CO IGMPUMZBWDXPNW-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- FLUWAIIVLCVEKF-UHFFFAOYSA-N 2-Methyl-1-phenyl-2-propanyl acetate Chemical compound CC(=O)OC(C)(C)CC1=CC=CC=C1 FLUWAIIVLCVEKF-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- IHXPFEVSKSOROP-UHFFFAOYSA-N 2-[2-(2-tridecoxyethoxy)ethoxy]ethyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCOCCOCCOCCOP(O)(O)=O IHXPFEVSKSOROP-UHFFFAOYSA-N 0.000 description 1
- FPVJYHHGNGJAPC-UHFFFAOYSA-N 2-[3-(decanoylamino)propyl-dimethylazaniumyl]acetate Chemical compound CCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O FPVJYHHGNGJAPC-UHFFFAOYSA-N 0.000 description 1
- MNXZLMCTNGNXNX-UHFFFAOYSA-N 2-[3-(docosanoylamino)propyl-dimethylazaniumyl]acetate Chemical compound CCCCCCCCCCCCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MNXZLMCTNGNXNX-UHFFFAOYSA-N 0.000 description 1
- OTKWLUKIHNEGIG-UHFFFAOYSA-N 2-[3-(hexadecanoylamino)propyl-dimethylazaniumyl]acetate Chemical compound CCCCCCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O OTKWLUKIHNEGIG-UHFFFAOYSA-N 0.000 description 1
- NPKLJZUIYWRNMV-UHFFFAOYSA-N 2-[decyl(dimethyl)azaniumyl]acetate Chemical compound CCCCCCCCCC[N+](C)(C)CC([O-])=O NPKLJZUIYWRNMV-UHFFFAOYSA-N 0.000 description 1
- HVYJSOSGTDINLW-UHFFFAOYSA-N 2-[dimethyl(octadecyl)azaniumyl]acetate Chemical compound CCCCCCCCCCCCCCCCCC[N+](C)(C)CC([O-])=O HVYJSOSGTDINLW-UHFFFAOYSA-N 0.000 description 1
- KKMIHKCGXQMFEU-UHFFFAOYSA-N 2-[dimethyl(tetradecyl)azaniumyl]acetate Chemical compound CCCCCCCCCCCCCC[N+](C)(C)CC([O-])=O KKMIHKCGXQMFEU-UHFFFAOYSA-N 0.000 description 1
- QVRMIJZFODZFNE-UHFFFAOYSA-N 2-[dimethyl-[3-(octadecanoylamino)propyl]azaniumyl]acetate Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O QVRMIJZFODZFNE-UHFFFAOYSA-N 0.000 description 1
- SUZKAIPUWCLPCH-UHFFFAOYSA-N 2-[dimethyl-[3-(octanoylamino)propyl]azaniumyl]acetate Chemical group CCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O SUZKAIPUWCLPCH-UHFFFAOYSA-N 0.000 description 1
- UIJMHOVIUFGSNF-UHFFFAOYSA-N 2-[dimethyl-[3-(undec-10-enoylamino)propyl]azaniumyl]acetate Chemical compound [O-]C(=O)C[N+](C)(C)CCCNC(=O)CCCCCCCCC=C UIJMHOVIUFGSNF-UHFFFAOYSA-N 0.000 description 1
- SQXSZTQNKBBYPM-UHFFFAOYSA-N 2-[docosyl(dimethyl)azaniumyl]acetate Chemical compound CCCCCCCCCCCCCCCCCCCCCC[N+](C)(C)CC([O-])=O SQXSZTQNKBBYPM-UHFFFAOYSA-N 0.000 description 1
- TYIOVYZMKITKRO-UHFFFAOYSA-N 2-[hexadecyl(dimethyl)azaniumyl]acetate Chemical compound CCCCCCCCCCCCCCCC[N+](C)(C)CC([O-])=O TYIOVYZMKITKRO-UHFFFAOYSA-N 0.000 description 1
- OSCJHTSDLYVCQC-UHFFFAOYSA-N 2-ethylhexyl 4-[[4-[4-(tert-butylcarbamoyl)anilino]-6-[4-(2-ethylhexoxycarbonyl)anilino]-1,3,5-triazin-2-yl]amino]benzoate Chemical compound C1=CC(C(=O)OCC(CC)CCCC)=CC=C1NC1=NC(NC=2C=CC(=CC=2)C(=O)NC(C)(C)C)=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=N1 OSCJHTSDLYVCQC-UHFFFAOYSA-N 0.000 description 1
- IXOCGRPBILEGOX-UHFFFAOYSA-N 3-[3-(dodecanoylamino)propyl-dimethylazaniumyl]-2-hydroxypropane-1-sulfonate Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC(O)CS([O-])(=O)=O IXOCGRPBILEGOX-UHFFFAOYSA-N 0.000 description 1
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- CNIGBCBFYDWQHS-QXMHVHEDSA-N 3-[dimethyl-[3-[[(z)-octadec-9-enoyl]amino]propyl]azaniumyl]-2-hydroxypropane-1-sulfonate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)NCCC[N+](C)(C)CC(O)CS([O-])(=O)=O CNIGBCBFYDWQHS-QXMHVHEDSA-N 0.000 description 1
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Classifications
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- 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
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- 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
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic 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
- C11D3/0068—Deodorant compositions
-
- 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
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
-
- 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
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
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Abstract
The present invention relates to a liquid laundry additive composition and method of use in washing laundry. Not only does the composition reduce laundry odors but it also reduces washing machine drum odor.
Description
TITLE: Laundry Additive and Drum Treatment FIELD OF THE INVENTION
[0001] The present invention relates to a laundry additive composition and methods for its use in treating laundry and a washing machine drum.
BACKGROUND OF THE INVENTION
[0001] The present invention relates to a laundry additive composition and methods for its use in treating laundry and a washing machine drum.
BACKGROUND OF THE INVENTION
[0002] All publications referred to herein are specifically incorporated herein by reference in their entirety.
[0003] Laundry detergents and laundry additives are well known. Laundry detergents can include surfactants, builders, alkalis, anti-redeposition agents, optionally enzymes, bleaches, antimicrobials, softeners, fragrances, optical brighteners, preservatives, processing aids, foam regulators and corrosion inhibitors.
Some laundry detergents optionally include malodor neutralizing agents. For example, US2007/00495l l Al d;scloses a laundry detergent composition that comprises conventional additives such as cationic and amphoteric surfactants, an optical brightener, a coloring agent, a fragrance, an enzyme, a builder, an electrolyte, a UV absorber, a bleach, a chelating agent, a preservative, a redeposition inhibitor, a dye transfer inhibitor, a thickener, a crease control agent, a pearl luster agent, a fabric softener, and/or mixtures thereof. This detergent also includes, as a malodor neutralizing agent, metallic salts, with zinc ricinoleate being most preferred.
Some laundry detergents optionally include malodor neutralizing agents. For example, US2007/00495l l Al d;scloses a laundry detergent composition that comprises conventional additives such as cationic and amphoteric surfactants, an optical brightener, a coloring agent, a fragrance, an enzyme, a builder, an electrolyte, a UV absorber, a bleach, a chelating agent, a preservative, a redeposition inhibitor, a dye transfer inhibitor, a thickener, a crease control agent, a pearl luster agent, a fabric softener, and/or mixtures thereof. This detergent also includes, as a malodor neutralizing agent, metallic salts, with zinc ricinoleate being most preferred.
[0004] Laundry detergents are often satisfactory for use alone to wash laundry items. There are times when the detergent is not deemed adequate to clean the laundry items as desired. In such instances, a laundry additive can be added to reach the desired objective. For example, for removing stains, a bleach additive can be added. Or Extra fabric softeners or wrinkle removers can be added.
[0005] Laundry washing machines use various amounts of washing water to which detergent is added for washing laundry. A problem with some laundry washing machines is that after a number of uses with detergent and/or laundry additive(s), the inside (drum) of the washing machine develops an offensive odor. It is believed that the odor results from the development of mierobials in the drums. To remedy this odor problem, a number of commercial washing machine cleaning products are available. For the most part, these products are based on strong oxidizing agents such as sodium hypochlorite and sodium percarbonate.
Apparently due to the potential for these cleaners to harm fabrics being washed, the metal container (drum) and gaskets, most of these cleaning products recommend use in a separate wash/rinse cycle without any laundry or detergent present in the washing machine during the separate cycle.
Apparently due to the potential for these cleaners to harm fabrics being washed, the metal container (drum) and gaskets, most of these cleaning products recommend use in a separate wash/rinse cycle without any laundry or detergent present in the washing machine during the separate cycle.
[0006] Accordingly, laundry additives which treat laundry and which can also treat the washing machine drum for odor would be desirable.
SUMMARY OF THE INVENTION
SUMMARY OF THE INVENTION
[0007] The present invention relates to liquid laundry additive compositions and to their methods of use. According to an embodiment of the invention, the liquid laundry additive composition comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant, wherein the ratio of total surfactant to zinc ricinoleate, on a dry basis, is decreased without increasing the content of the zinc ricinoleate in the total formulation on a wet basis. It was unexpectedly found that by controlling the total amount of surfactant, on a dry basis, relative to the zinc ricinoleate, not only was the composition a superior laundry additive for removing odor from laundry, but the composition also reduced drum odor. This was unexpectedly accomplished without using an excessive amount of zinc ricinoleate on a wet basis. For example, known laundry detergents or laundry treatments disclose using zinc ricinoleate in amounts up to about 10% of the total composition on a wet basis. For example, US200701005745 Al discloses a fabric softener comprising up to 5% zinc ricinoleate. This publication discloses a fabric softener comprising from about 0.01% to about 5% by weight of zinc ricinoleate and about 1.0% to about 90% by weight of a cationic surfactant. Thus, at the lower end of both ranges the ratio of total surfactant to zinc ricinoleate, on a dry basis, is 100:1, and at the upper end of the ranges it is 18:1. Using the end points at the preferred ranges of about 0.2% to about 1.0% for zinc ricinoleate and most preferred range of about 3% to about 15% for cationic surfactant, the ratio, on a dry basis, of total surfactant to zinc ricinoleate is 15:1 at both the lower end and the upper end. In the formulations exemplified in the table in paragraph [0070] of this publication, the dry basis ratio of surfactant (TEA Estcrquat or Diamidoaminc Quaternary Ammonium compound) to TegoSorb Conc. 50 (described as 50% active zinc ricinolcate by supplier Evonik Industries) varies from 15.87:1 to 55.6: 1. US20070049511 Al discloses a laundry detergent composition that comprises from about 1.0% to about 10% by weight of a non-ionic surfactant, from about 1% to about 15% of an an-ionic surfactant, and from about 0.01% to about 3% by weight of zinc ricinoleate. Again, using the end points of these ranges, this reference discloses a ratio of total surfactant to zinc ricinoleate (an-ionic plus non-ionic surfactant), on a dry basis, of from about 8.3:1 to about 200:1. In the example formulation disclosed in paragraph [0137] on page 11 of this publication, the dry basis ratio of total active surfactant (Linear Alkyl Sulfonate, AES
and Alcohol Ethoxyolatc) to TegoSorb Conc. 50 is 58.8:1. W02008/084460 discloses a fabric color restoration spray for laundry that comprises up to 10% zinc ricinoleate. According to one embodiment in accordance with the present invention, the liquid laundry additive comprises zinc ricinoleate in an amount of about 10% or less on a wet basis (includes liquid solvent) and the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1.
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant, wherein the ratio of total surfactant to zinc ricinoleate, on a dry basis, is decreased without increasing the content of the zinc ricinoleate in the total formulation on a wet basis. It was unexpectedly found that by controlling the total amount of surfactant, on a dry basis, relative to the zinc ricinoleate, not only was the composition a superior laundry additive for removing odor from laundry, but the composition also reduced drum odor. This was unexpectedly accomplished without using an excessive amount of zinc ricinoleate on a wet basis. For example, known laundry detergents or laundry treatments disclose using zinc ricinoleate in amounts up to about 10% of the total composition on a wet basis. For example, US200701005745 Al discloses a fabric softener comprising up to 5% zinc ricinoleate. This publication discloses a fabric softener comprising from about 0.01% to about 5% by weight of zinc ricinoleate and about 1.0% to about 90% by weight of a cationic surfactant. Thus, at the lower end of both ranges the ratio of total surfactant to zinc ricinoleate, on a dry basis, is 100:1, and at the upper end of the ranges it is 18:1. Using the end points at the preferred ranges of about 0.2% to about 1.0% for zinc ricinoleate and most preferred range of about 3% to about 15% for cationic surfactant, the ratio, on a dry basis, of total surfactant to zinc ricinoleate is 15:1 at both the lower end and the upper end. In the formulations exemplified in the table in paragraph [0070] of this publication, the dry basis ratio of surfactant (TEA Estcrquat or Diamidoaminc Quaternary Ammonium compound) to TegoSorb Conc. 50 (described as 50% active zinc ricinolcate by supplier Evonik Industries) varies from 15.87:1 to 55.6: 1. US20070049511 Al discloses a laundry detergent composition that comprises from about 1.0% to about 10% by weight of a non-ionic surfactant, from about 1% to about 15% of an an-ionic surfactant, and from about 0.01% to about 3% by weight of zinc ricinoleate. Again, using the end points of these ranges, this reference discloses a ratio of total surfactant to zinc ricinoleate (an-ionic plus non-ionic surfactant), on a dry basis, of from about 8.3:1 to about 200:1. In the example formulation disclosed in paragraph [0137] on page 11 of this publication, the dry basis ratio of total active surfactant (Linear Alkyl Sulfonate, AES
and Alcohol Ethoxyolatc) to TegoSorb Conc. 50 is 58.8:1. W02008/084460 discloses a fabric color restoration spray for laundry that comprises up to 10% zinc ricinoleate. According to one embodiment in accordance with the present invention, the liquid laundry additive comprises zinc ricinoleate in an amount of about 10% or less on a wet basis (includes liquid solvent) and the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1.
[0008] According to one embodiment, the laundry additive is added to a laundry wash together with detergent, resulting in odor reduction/abatement of the laundry.
The detergent and the additive can be pre-mixed before addition to the laundry or can be added separately or sequentially with regard to the detergent.
The detergent and the additive can be pre-mixed before addition to the laundry or can be added separately or sequentially with regard to the detergent.
[0009] According to one embodiment, the laundry additive is added to a laundry wash together with detergent, resulting in both odor reduction/abatement of the laundry and, unexpectedly, odor reduction/abatement of the drum. This result was unexpected because the amount of zinc ricinoleate on a wet basis did not exceed normal amounts disclosed in prior art formulations.
DETAILED DESCRIPTION OF THE INVENTION
100101 All publications, patents and patent applications cited herein, whether supra or infra, are hereby incorporated herein by reference in their entirety to the same extent as if each individual publication, patent or patent application was specifically and individually indicated to be incorporated herein by reference. Further, when an amount, concentration, or other value or parameter is given as either a range, preferred range, or a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. Where a range of numerical values is recited herein, unless otherwise stated, the range is intended to include the endpoints thereof, and all integers and fractions within the range. It is not intended that the scope of the invention be limited to the specific values recited when defining a range.
[OG11] It noted that, as used in this specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the content clearly dictates otherwise. Unless otherwise expressly indicated herein, all amounts are based on weight. "Dry basis" means amounts specified in the absence of liquid carrier or water. "Wet basis" means amount as specified including liquid carrier or water. "Pourable" means a composition which is liquid and can be poured at temperatures above 40 degrees Farenheit. "Biocide" means an agent that inhibits the growth of microorganisms, or functions as a preservative to increase liquid product shelf life at the usage levels illustrated herein, and includes antimicrobials, fungicides and algicides. "Essentially free" allows for trace amounts of an item or amounts that do not materially affect the basic and novel characteristic(s)" of the invention disclosed herein. "Total surfactant" means the sum total, on a weight basis, of all surfactants in the composition. For example, Flexisorb OD 120ZnR from Innovative Chemical Technologies, Inc. contains 1.4000 weight % anionic surfactant which surfactant is to be included in determining the total surfactant in a composition.
[04112] According to one embodiment, a liquid laundry additive comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about
DETAILED DESCRIPTION OF THE INVENTION
100101 All publications, patents and patent applications cited herein, whether supra or infra, are hereby incorporated herein by reference in their entirety to the same extent as if each individual publication, patent or patent application was specifically and individually indicated to be incorporated herein by reference. Further, when an amount, concentration, or other value or parameter is given as either a range, preferred range, or a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. Where a range of numerical values is recited herein, unless otherwise stated, the range is intended to include the endpoints thereof, and all integers and fractions within the range. It is not intended that the scope of the invention be limited to the specific values recited when defining a range.
[OG11] It noted that, as used in this specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the content clearly dictates otherwise. Unless otherwise expressly indicated herein, all amounts are based on weight. "Dry basis" means amounts specified in the absence of liquid carrier or water. "Wet basis" means amount as specified including liquid carrier or water. "Pourable" means a composition which is liquid and can be poured at temperatures above 40 degrees Farenheit. "Biocide" means an agent that inhibits the growth of microorganisms, or functions as a preservative to increase liquid product shelf life at the usage levels illustrated herein, and includes antimicrobials, fungicides and algicides. "Essentially free" allows for trace amounts of an item or amounts that do not materially affect the basic and novel characteristic(s)" of the invention disclosed herein. "Total surfactant" means the sum total, on a weight basis, of all surfactants in the composition. For example, Flexisorb OD 120ZnR from Innovative Chemical Technologies, Inc. contains 1.4000 weight % anionic surfactant which surfactant is to be included in determining the total surfactant in a composition.
[04112] According to one embodiment, a liquid laundry additive comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about
10% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable. The composition can comprise a solvent (carrier).
The preferred solvent is water.
[0013] According to one embodiment, a liquid laundry additive comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1, and the additive is pourable.
[0014] According to another embodiment, a liquid laundry additive comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 5% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1:1, and the additive is pourable.
[0015] In accordance with another embodiment, a method for treating laundry in a washing machine comprises adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate, on a wet basis, is about 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable. It is understood that water is also used in the washing machine.
[0016] Detergents are well known in the art for cleaning laundry items and typically include many of the following components:
a. surfactants for penetrating and wetting fabric, loosening soil, and emulsifying soils to keep them suspended in the wash solution;
b. builders for enhancing the action of surfactants by, for example, softening the water, helping to disperse soils and prevent their redeposition out of solution, and assisting in dissolving oil-based soils;
c. alkalis to raise the pH of wash water;
d. anti-redeposition agents to prevent dislodged soils from being redeposited;
c. enzymes to effect stain removal and provide color and fabric care;
f. active bleaches to improve fabric whiteness and brightness;
g. antimicrobial agents to hygienically clean fabrics;
h. fabric softeners to impart softness, reduce static electricity and reduce crinkling;
i. fragrances to neutralize odor in both the detergent chemicals and the soils in the laundry wash;
j. optical brighteners to enhance the light reflected from washed fabric to make the fabric look whiter and brighter;
k. preservatives to prevent detergent spoilage during storage;
1. solubizcrs to help maintain the pouring characteristics of liquid detergent;
m. processing aids to maintain the physical characteristics of laundry detergents during process, storage and use;
n. foam regulators to inhibit the formation of suds during washing; and o. corrosion inhibitors to inhibit corrosion of metallic parts in the washing machine.
[0017] The laundry, detergent and additive can be added in any desired order, either sequentially or simultaneously. Alternatively, they can be mixed before adding to the wash. For example, the laundry to be treated can be added first to the washing machine followed by addition of either one of detergent or additive, or followed by simultaneous addition of detergent and additive.
[0018] In accordance with another embodiment, a method for treating laundry in a washing machine comprises adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 2:1 on a dry basis, and the liquid laundry additive is pourable.
[0019] In accordance with another embodiment, a method for treating laundry in a washing machine comprises adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of less than about 5% of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 1:1 on a dry basis, and the liquid laundry additive is pourable.
[0020] In accordance with a further embodiment, a method for treating laundry washing machine drum odor, comprises:
a. adding to the washing machine a liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate, on a wet basis, is 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 4:1 on a dry basis, and the additive is pourable. According to one embodiment, the washing machine contains laundry to be washed. According to another embodiment, detergent is also added in combination with the liquid laundry additive composition. The additive and detergent can be added in any order. For example, they can be added sequentially or combined before addition to the washing machine. The additive can further comprise biocide.
[0021] In accordance with another embodiment, a method for treating laundry washing machine drum odor, comprises:
a. adding to the washing machine a liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 2:1 on a dry basis, and the additive is pourable. According to one embodiment, the washing machine contains laundry to be washed. According to another embodiment, detergent is also added in combination with the liquid laundry additive composition. The additive and detergent can be added in any order.
For example, they can be added sequentially or combined before addition to the washing machine. The additive can further comprise biocide.
[0022] In accordance with another embodiment, a method for treating laundry washing machine drum odor, comprises:
a. adding to the washing machine containing laundry to be washed, detergent and an additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose;
iii. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 5% or less of the additive, the ratio of total surfactant to zinc ricinoleate is less than about 1:1 on a dry basis, and the additive is pourable. According to one embodiment, the washing machine contains laundry to be washed. According to another embodiment, detergent is also added in combination with the liquid laundry additive composition.
The additive and detergent can be added in any order. For example, they can be added sequentially or combined before addition to the washing machine. The additive can further comprise biocide.
[0023] According to another embodiment, a liquid laundry additive comprises:
a. zinc ricinolcatc;
b. carboxyalkyl cellulose;
c. amphoteric surfactant;
d. optionally, nonionic surfactant;
e. anionic surfactant;
f. biocide;
g. fragrance; and h. colorant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of less than about 10% and the ratio of total surfactant to zinc ricinoleate on a dry basis is less than about 4:1, and the additive is pourable. According to further embodiments, the zinc ricinoleate is present, on a wet basis, in an amount of less than 7% or 5%.
According to other embodiments, the ratio of total surfactant to zinc ricinoleate is less than about 2:1 or less than about 1:1.
[0024] In accordance with one aspect, zinc ricinoleate is used effectively as a malodor neutralizing agent. For example, malodor neutralizing agent may comprise a water-soluble zinc ricinoleate. According to one embodiment, the zinc ricinoleate is present in the liquid laundry additive composition in an amount that is less than 10%
on a wet basis. According to one embodiment, the zinc ricinoleate is present in an amount of less than about 7% of the additive on a wet basis. According to another embodiment, the zinc ricinoleate is present in an amount of less than about 5%
of the additive on a wet basis. According to a further embodiment, the zinc ricinoleate is present in amount of from about 2% to about 10% on a wet basis. According to one embodiment, the zinc ricinoleate is present in an amount of about 3 to about 6%. This agent is described in detail in US4968496, US7226584 B2 and US8318806 B2. Zinc ricinoleate controls malodors selectively through a chemical binding of low molecular weight organic compounds containing the osmogene functional groups. On the other hand, zinc ricinoleate generally has no effect on carbonylic groups, such as aldehydes and ketones, which comprise typical fragrance and fragrance components. In one embodiment, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1. In another embodiment, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1. In a further embodiment, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1:1. According to another embodiment, the biocide comprises less than 1% of the additive composition.
[0025] Beneficially, zinc ricinoleate may stably complex with malodor molecules.
The mode by which zinc ricinoleate complexes with malodors is similar to and can be compared to the iron binding and transport of oxygen in hemoglobin-the zinc acts as a catalyst to bind the malodor molecules, complcxing it with the fatty acid side chains of the zinc ricinoleate molecule, in this way, the zinc ricinoleate neutralizes the malodors-that is, it reduces the level of undesirable malodors available for human perception.
[0026] Zinc ricinoleate molecules complex with one or more malodor molecules, depending on the size and shape of the malodor molecule(s). Once the complex is formed, it is a stable (irreversible) complex, that is, the malodor molecule will not be released from the zinc ricinoleate, even when the substrate dries. In comparison when malodor is treated with cyclodextrin, the cyclodextrin is best described as forming a cage-like structure around the malodor molecule which is reversible.
[0027] In one embodiment, the zinc ricinoleate is zinc ricinoleate, for example as that commercially available under the trade name Tego Sorb conc. from Evonik Industries or Flexisorb OD 120ZnR from Innovative Chemical Technologies, Inc.
[0028] in accordance with one aspect, a liquid laundry additive composition comprises carboxyalkyl cellulose, for example a CI ¨ C4 carboxyalkyl cellulose. This component acts as a rheology modifier in the composition. In one embodiment, the carboxyalkyl cellulose is methylcarboxy cellulose, such as CMC 9H4F Cellulose Gum an Aqualon product available from Ashland Inc.
[0029] According to one embodiment, the liquid laundry additive further comprises at least one surfactant. Suitable surfactants for use therein include any known anionic, amphoteric and, optionally, nonionic surfactant(s).
[0030] In accordance with an embodiment of the present invention, a liquid laundry additive composition comprises anionic surfactant. Illustrative examples of anionic surfactants include alkali salts of fatty acids, alkyl ethoxysulfatc acting as an anionic surfactant, sodium linear alkyl benzene sulfonate, those of the sulfonatc type and of the sulfate type, such as C9-13-alkylbenzenesulfonates, olefin sulfonates, i.e.
mixtures of alkenesulfonates and hydroxyalkanesulfonates and also disulfonates, as are obtained, for example, from C12-18-monoolefins having a terminal or internal double bond by sulfonating with gaseous sulfur trioxide followed by alkaline or acidic hydrolysis of the sulfonation products. Other examples are alkancsulfonates, which are obtained from C12_18-alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization, respectively. Likewise suitable, in addition, are the esters of a-sulfo fatty acids (ester sulfonatcs), e.g. the a-sulfonatcd methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
Further exemplary anionic surfactants are sulfated fatty acid glycerol esters which are the monoesters, diesters and triesters, and mixtures thereof, as obtained in the preparation by esterification of a monoglycerol with from 1 to 3 mol of fatty acid or in the trausesterification of triglycerides with from 0.3 to 2 mol of glycerol.
Preferred sulfated fatty acid glyccryl esters are sulfation products of saturated fatty acids of 6 to 22 carbon atoms, e.g., of capric acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stcaric acid or behenic acid. Mixtures arc included. Such surfactants are described, for example, in US20060223738 Al and US20060229230 Al.
[0031] Examples of alk(en)yl sulfates are (including mixtures) the alkali metal salts, and especially the sodium salts, of the sulfuric monoesters of C12-C18 fatty alcohols, such as those of coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or of C10-C20 oxo alcohols, and those monoesters of secondary alcohols of this chain length. Also included are alk(en)yl sulfates of said chain length which contain a synthetic straight-chain alkyl radical prepared on a
The preferred solvent is water.
[0013] According to one embodiment, a liquid laundry additive comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1, and the additive is pourable.
[0014] According to another embodiment, a liquid laundry additive comprises:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 5% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1:1, and the additive is pourable.
[0015] In accordance with another embodiment, a method for treating laundry in a washing machine comprises adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate, on a wet basis, is about 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable. It is understood that water is also used in the washing machine.
[0016] Detergents are well known in the art for cleaning laundry items and typically include many of the following components:
a. surfactants for penetrating and wetting fabric, loosening soil, and emulsifying soils to keep them suspended in the wash solution;
b. builders for enhancing the action of surfactants by, for example, softening the water, helping to disperse soils and prevent their redeposition out of solution, and assisting in dissolving oil-based soils;
c. alkalis to raise the pH of wash water;
d. anti-redeposition agents to prevent dislodged soils from being redeposited;
c. enzymes to effect stain removal and provide color and fabric care;
f. active bleaches to improve fabric whiteness and brightness;
g. antimicrobial agents to hygienically clean fabrics;
h. fabric softeners to impart softness, reduce static electricity and reduce crinkling;
i. fragrances to neutralize odor in both the detergent chemicals and the soils in the laundry wash;
j. optical brighteners to enhance the light reflected from washed fabric to make the fabric look whiter and brighter;
k. preservatives to prevent detergent spoilage during storage;
1. solubizcrs to help maintain the pouring characteristics of liquid detergent;
m. processing aids to maintain the physical characteristics of laundry detergents during process, storage and use;
n. foam regulators to inhibit the formation of suds during washing; and o. corrosion inhibitors to inhibit corrosion of metallic parts in the washing machine.
[0017] The laundry, detergent and additive can be added in any desired order, either sequentially or simultaneously. Alternatively, they can be mixed before adding to the wash. For example, the laundry to be treated can be added first to the washing machine followed by addition of either one of detergent or additive, or followed by simultaneous addition of detergent and additive.
[0018] In accordance with another embodiment, a method for treating laundry in a washing machine comprises adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 2:1 on a dry basis, and the liquid laundry additive is pourable.
[0019] In accordance with another embodiment, a method for treating laundry in a washing machine comprises adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of less than about 5% of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 1:1 on a dry basis, and the liquid laundry additive is pourable.
[0020] In accordance with a further embodiment, a method for treating laundry washing machine drum odor, comprises:
a. adding to the washing machine a liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate, on a wet basis, is 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 4:1 on a dry basis, and the additive is pourable. According to one embodiment, the washing machine contains laundry to be washed. According to another embodiment, detergent is also added in combination with the liquid laundry additive composition. The additive and detergent can be added in any order. For example, they can be added sequentially or combined before addition to the washing machine. The additive can further comprise biocide.
[0021] In accordance with another embodiment, a method for treating laundry washing machine drum odor, comprises:
a. adding to the washing machine a liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 2:1 on a dry basis, and the additive is pourable. According to one embodiment, the washing machine contains laundry to be washed. According to another embodiment, detergent is also added in combination with the liquid laundry additive composition. The additive and detergent can be added in any order.
For example, they can be added sequentially or combined before addition to the washing machine. The additive can further comprise biocide.
[0022] In accordance with another embodiment, a method for treating laundry washing machine drum odor, comprises:
a. adding to the washing machine containing laundry to be washed, detergent and an additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose;
iii. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 5% or less of the additive, the ratio of total surfactant to zinc ricinoleate is less than about 1:1 on a dry basis, and the additive is pourable. According to one embodiment, the washing machine contains laundry to be washed. According to another embodiment, detergent is also added in combination with the liquid laundry additive composition.
The additive and detergent can be added in any order. For example, they can be added sequentially or combined before addition to the washing machine. The additive can further comprise biocide.
[0023] According to another embodiment, a liquid laundry additive comprises:
a. zinc ricinolcatc;
b. carboxyalkyl cellulose;
c. amphoteric surfactant;
d. optionally, nonionic surfactant;
e. anionic surfactant;
f. biocide;
g. fragrance; and h. colorant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of less than about 10% and the ratio of total surfactant to zinc ricinoleate on a dry basis is less than about 4:1, and the additive is pourable. According to further embodiments, the zinc ricinoleate is present, on a wet basis, in an amount of less than 7% or 5%.
According to other embodiments, the ratio of total surfactant to zinc ricinoleate is less than about 2:1 or less than about 1:1.
[0024] In accordance with one aspect, zinc ricinoleate is used effectively as a malodor neutralizing agent. For example, malodor neutralizing agent may comprise a water-soluble zinc ricinoleate. According to one embodiment, the zinc ricinoleate is present in the liquid laundry additive composition in an amount that is less than 10%
on a wet basis. According to one embodiment, the zinc ricinoleate is present in an amount of less than about 7% of the additive on a wet basis. According to another embodiment, the zinc ricinoleate is present in an amount of less than about 5%
of the additive on a wet basis. According to a further embodiment, the zinc ricinoleate is present in amount of from about 2% to about 10% on a wet basis. According to one embodiment, the zinc ricinoleate is present in an amount of about 3 to about 6%. This agent is described in detail in US4968496, US7226584 B2 and US8318806 B2. Zinc ricinoleate controls malodors selectively through a chemical binding of low molecular weight organic compounds containing the osmogene functional groups. On the other hand, zinc ricinoleate generally has no effect on carbonylic groups, such as aldehydes and ketones, which comprise typical fragrance and fragrance components. In one embodiment, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1. In another embodiment, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1. In a further embodiment, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1:1. According to another embodiment, the biocide comprises less than 1% of the additive composition.
[0025] Beneficially, zinc ricinoleate may stably complex with malodor molecules.
The mode by which zinc ricinoleate complexes with malodors is similar to and can be compared to the iron binding and transport of oxygen in hemoglobin-the zinc acts as a catalyst to bind the malodor molecules, complcxing it with the fatty acid side chains of the zinc ricinoleate molecule, in this way, the zinc ricinoleate neutralizes the malodors-that is, it reduces the level of undesirable malodors available for human perception.
[0026] Zinc ricinoleate molecules complex with one or more malodor molecules, depending on the size and shape of the malodor molecule(s). Once the complex is formed, it is a stable (irreversible) complex, that is, the malodor molecule will not be released from the zinc ricinoleate, even when the substrate dries. In comparison when malodor is treated with cyclodextrin, the cyclodextrin is best described as forming a cage-like structure around the malodor molecule which is reversible.
[0027] In one embodiment, the zinc ricinoleate is zinc ricinoleate, for example as that commercially available under the trade name Tego Sorb conc. from Evonik Industries or Flexisorb OD 120ZnR from Innovative Chemical Technologies, Inc.
[0028] in accordance with one aspect, a liquid laundry additive composition comprises carboxyalkyl cellulose, for example a CI ¨ C4 carboxyalkyl cellulose. This component acts as a rheology modifier in the composition. In one embodiment, the carboxyalkyl cellulose is methylcarboxy cellulose, such as CMC 9H4F Cellulose Gum an Aqualon product available from Ashland Inc.
[0029] According to one embodiment, the liquid laundry additive further comprises at least one surfactant. Suitable surfactants for use therein include any known anionic, amphoteric and, optionally, nonionic surfactant(s).
[0030] In accordance with an embodiment of the present invention, a liquid laundry additive composition comprises anionic surfactant. Illustrative examples of anionic surfactants include alkali salts of fatty acids, alkyl ethoxysulfatc acting as an anionic surfactant, sodium linear alkyl benzene sulfonate, those of the sulfonatc type and of the sulfate type, such as C9-13-alkylbenzenesulfonates, olefin sulfonates, i.e.
mixtures of alkenesulfonates and hydroxyalkanesulfonates and also disulfonates, as are obtained, for example, from C12-18-monoolefins having a terminal or internal double bond by sulfonating with gaseous sulfur trioxide followed by alkaline or acidic hydrolysis of the sulfonation products. Other examples are alkancsulfonates, which are obtained from C12_18-alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization, respectively. Likewise suitable, in addition, are the esters of a-sulfo fatty acids (ester sulfonatcs), e.g. the a-sulfonatcd methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
Further exemplary anionic surfactants are sulfated fatty acid glycerol esters which are the monoesters, diesters and triesters, and mixtures thereof, as obtained in the preparation by esterification of a monoglycerol with from 1 to 3 mol of fatty acid or in the trausesterification of triglycerides with from 0.3 to 2 mol of glycerol.
Preferred sulfated fatty acid glyccryl esters are sulfation products of saturated fatty acids of 6 to 22 carbon atoms, e.g., of capric acid, caprylic acid, capric acid, myristic acid, lauric acid, palmitic acid, stcaric acid or behenic acid. Mixtures arc included. Such surfactants are described, for example, in US20060223738 Al and US20060229230 Al.
[0031] Examples of alk(en)yl sulfates are (including mixtures) the alkali metal salts, and especially the sodium salts, of the sulfuric monoesters of C12-C18 fatty alcohols, such as those of coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or of C10-C20 oxo alcohols, and those monoesters of secondary alcohols of this chain length. Also included are alk(en)yl sulfates of said chain length which contain a synthetic straight-chain alkyl radical prepared on a
11 petrochemical basis, these sulfates possessing degradation properties similar to those of the corresponding compounds based on fatty-chemical raw materials, such as s-alkyl sulfates and C12-C15- alkyl sulfates, and also C14-C15 alkyl sulfates.
Also included are 2,3-alkyl sulfates, sulfuric monoesters of the straight chain or branched C7_21 alcohols ethoxylated with from 1 to 6 mol of ethylene oxide, such as 2-methyl-branched C9-11 alcohols containing on average 3.5 mol of ethylene oxide (EO) or C12-18 fatty alcohols containing from 1 to 4 EO which are known as fatty alcohol ether sulfates. Anionic surfactants further include the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic esters and which constitute the monoesters and/or diesters of sulfosuccinic acid with alcohols, such as fatty alcohols and ethoxylated fatty alcohols. Sulfosuccinates comprise C8-18 fatty alcohol radicals or mixtures thereof, such as sulfosuccinates containing a fatty alcohol radical derived from ethoxylated fatty alcohols which themselves represent nonionic surfactants. Further examples in include sulfosuccinates whose fatty alcohol radicals are derived from ethoxylated fatty alcohols having a narrowed homolog distribution.
Similarly, it is also possible to use alk(en)ylsuccinic acid containing 8 to 18 carbon atoms in the alk(en)yl chain, or salts thereof.
[0032] Further examples of anionic surfactants are soaps. Suitable soaps include fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid, and, in particular, mixtures of soaps derived from natural fatty acids,e.g., coconut, palm kernel, or tallow fatty acids, and mixtures thereof. The anionic surfactants, including the soaps, may be present in the form of their sodium, potassium or ammonium salts and also as soluble salts of organic bases, such as mono-, di- or triethanolamine. The anionic surfactants can be in the form of their sodium or potassium salts, in particular in the form of the sodium salts and ammonium salts, such as the salts of organic bases, as for example of isopropylamine. A further class of anionic surfactants is the class of ether carboxylic acids which is obtainable by reacting fatty alcohol ethoxylates with sodium chloroacetate in the presence of basic catalysts.
[0033] In accordance with an embodiment of the present invention, a liquid laundry additive composition, optionally, comprises nonionic surfactant.
Classes of nonionic surfactants include alcohols, alkanolamides, amine oxides, esters, and ethers.
Also included are 2,3-alkyl sulfates, sulfuric monoesters of the straight chain or branched C7_21 alcohols ethoxylated with from 1 to 6 mol of ethylene oxide, such as 2-methyl-branched C9-11 alcohols containing on average 3.5 mol of ethylene oxide (EO) or C12-18 fatty alcohols containing from 1 to 4 EO which are known as fatty alcohol ether sulfates. Anionic surfactants further include the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic esters and which constitute the monoesters and/or diesters of sulfosuccinic acid with alcohols, such as fatty alcohols and ethoxylated fatty alcohols. Sulfosuccinates comprise C8-18 fatty alcohol radicals or mixtures thereof, such as sulfosuccinates containing a fatty alcohol radical derived from ethoxylated fatty alcohols which themselves represent nonionic surfactants. Further examples in include sulfosuccinates whose fatty alcohol radicals are derived from ethoxylated fatty alcohols having a narrowed homolog distribution.
Similarly, it is also possible to use alk(en)ylsuccinic acid containing 8 to 18 carbon atoms in the alk(en)yl chain, or salts thereof.
[0032] Further examples of anionic surfactants are soaps. Suitable soaps include fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid, and, in particular, mixtures of soaps derived from natural fatty acids,e.g., coconut, palm kernel, or tallow fatty acids, and mixtures thereof. The anionic surfactants, including the soaps, may be present in the form of their sodium, potassium or ammonium salts and also as soluble salts of organic bases, such as mono-, di- or triethanolamine. The anionic surfactants can be in the form of their sodium or potassium salts, in particular in the form of the sodium salts and ammonium salts, such as the salts of organic bases, as for example of isopropylamine. A further class of anionic surfactants is the class of ether carboxylic acids which is obtainable by reacting fatty alcohol ethoxylates with sodium chloroacetate in the presence of basic catalysts.
[0033] In accordance with an embodiment of the present invention, a liquid laundry additive composition, optionally, comprises nonionic surfactant.
Classes of nonionic surfactants include alcohols, alkanolamides, amine oxides, esters, and ethers.
12 Nonionic alcohols are, for example, hydroxy derivatives of long-chain C8-C18, alkane hydrocarbons, such as cetearyl alcohol, hydrogenated tallow alcohol, lanolin alcohols, alkanolamides, and the like. Alkanolamides contain at least one alkoxyl or one polyoxyethylene grouping and include alkanol-derived amides, such as acylamide DEA, N-alkyl pyrrolidone, palmamide MEA, peanutamide MIPA, and the like and ethoxylated amides, such as PEG-50 tallow amidc. Amine oxides include alkylamine oxides, such as lauramine oxide; and acylamidopropyl morpholinc oxides, such as cocamidopropylamine oxide; and the like. Esters include ethoxylated carboxylic acids, ethoxylated glycerides, glycol esters and derivatives thereof, monoglyccrides, such as glyceryl myristate, glyceryl palmitate lactate, and the like; polyglyceryl esters, such as polyglycery1-6-distearate, polyglycery1-4 oleyl ether, and the like, polyhydric alcohol esters and ethers, such as methyl gluceth-20 sesquistearate, sucrose distearate; and the like; sorbitan/sorbitol esters, such as polysorbate-60, sorbitan sequiisostearate, and the like; and tricsters of phosphoric acid, such as trideceth-3 phosphate, triolcth-8 phosphate, and the like. Ethers include ethoxylated alcohols, such as cetcareth-10, nonoxyno1-9, and the like; ethoxylated lanolin, such as PEG-20 lanolin, PPG-12-PEG-65 lanolin oil, and the like; propoxylated POE ethers, such as meroxapol 314, poloxamer 122, PPG-5-ceteth-20, polyalkylene glycol including, for example, polyethylene glycol (PEG) and the like; and alkyl polyglycosides, such as lauryl glucose, and mixtures thereof.
[0034] More non-limiting examples of nonionic surfactants include alkyl ethoxylated surfactants, block copolymer surfactants, castor oil surfactants, sorbitan ester surfactants, polycthoxylated fatty alcohol surfactants, glycerol mono-fatty acid ester surfactants, polyethylene glycol fatty acid ester surfactants, and mixtures thereof.
These nonionic surfactants are described in more detail in U.S. Patent Application Pub. No. US 2002/0011584 Al. Castor oil surfactants include polyoxyethylene castor oil ethers or polyoxyethylene hardened castor oil ethers, which are either partially or fully hydrogenated. Nonionic surfactants are exemplified in US20130034505 Al and US20060258768 Al.
[0035] In accordance with an embodiment of the present invention, a liquid laundry additive composition comprises amphotcric surfactant. Exemplary non-limiting nonionic surfactants are illustrated in US20070089244 Al and include amine
[0034] More non-limiting examples of nonionic surfactants include alkyl ethoxylated surfactants, block copolymer surfactants, castor oil surfactants, sorbitan ester surfactants, polycthoxylated fatty alcohol surfactants, glycerol mono-fatty acid ester surfactants, polyethylene glycol fatty acid ester surfactants, and mixtures thereof.
These nonionic surfactants are described in more detail in U.S. Patent Application Pub. No. US 2002/0011584 Al. Castor oil surfactants include polyoxyethylene castor oil ethers or polyoxyethylene hardened castor oil ethers, which are either partially or fully hydrogenated. Nonionic surfactants are exemplified in US20130034505 Al and US20060258768 Al.
[0035] In accordance with an embodiment of the present invention, a liquid laundry additive composition comprises amphotcric surfactant. Exemplary non-limiting nonionic surfactants are illustrated in US20070089244 Al and include amine
13 oxides, alkylamidoalkylamines, alkyl-substituted amino acids, acylated amino acids alkoxylated, preferably ethoxylated or ethoxylated and propoxylated, fatty acid alkyl esters, preferably having 1 to 4 carbon atoms in the alkyl chain, especially fatty acid methyl esters. Further suitable surfactants include those known as "gemini surfactants". This term is used generally to refer to those compounds which possess two hydrophilic and two hydrophobic groups per molecule. These groups are generally separated from one another by what is known as a spacer. This spacer is generally a carbon chain, which should be long enough to keep the hydrophilic groups at a distance sufficient to allow them to act independently of one another.
Surfactants of this kind are generally notable for an unusually low critical micelle concentration and the ability to reduce greatly the surface tension of water. In exceptional cases, however, the expression gemini surfactants is used to embrace not only dimeric but also trimeric surfactants. Examples of gemini surfactants are sulfated hydroxy mixed ethers, dimer alcohol bis- and trimer alcohol tris-sulfates and ether sulfates. Tipped dimcric and trimeric mixed ethers are notable in particular for their bi- and multifunctionality. However, gemini-polyhydroxy fatty acid amides and polypolyhydroxy fatty acid amides arc also examples. Further examples of amphoteric surfactants are illustrated in US20070049511 Al and include the alkylbetaines of the formula (Ia), the alkylamidobetaines of the formula (Ib ), the sulfobetaines of the formula (Ic) and the amidosulfobetaines of the formula (Id), R1-N+(CH3)2-CH2COORI- (Ia) CO-NH-(CH2)1-N h(CH3)2-CH2COORI- (lb) N F(CH3)2-CH2CH(OH)CH2S03- (Ic) RI-CO-NH-(CH2)3-W(CH3)2-CH2CH(OH)CH2S03- (Id) in which R1 is a saturated or unsaturated C6_22-alkyl radical, a C8_18-alkyl radical, or a saturated C10_16-alkyl radical, for example a saturated C12_14-alkyl radical, and mixtures thereof.
[0036] Illustrative Examples of suitable betaines and sulfobetaines are the following compounds named according to INCI: Almondamidopropyl Betaine,
Surfactants of this kind are generally notable for an unusually low critical micelle concentration and the ability to reduce greatly the surface tension of water. In exceptional cases, however, the expression gemini surfactants is used to embrace not only dimeric but also trimeric surfactants. Examples of gemini surfactants are sulfated hydroxy mixed ethers, dimer alcohol bis- and trimer alcohol tris-sulfates and ether sulfates. Tipped dimcric and trimeric mixed ethers are notable in particular for their bi- and multifunctionality. However, gemini-polyhydroxy fatty acid amides and polypolyhydroxy fatty acid amides arc also examples. Further examples of amphoteric surfactants are illustrated in US20070049511 Al and include the alkylbetaines of the formula (Ia), the alkylamidobetaines of the formula (Ib ), the sulfobetaines of the formula (Ic) and the amidosulfobetaines of the formula (Id), R1-N+(CH3)2-CH2COORI- (Ia) CO-NH-(CH2)1-N h(CH3)2-CH2COORI- (lb) N F(CH3)2-CH2CH(OH)CH2S03- (Ic) RI-CO-NH-(CH2)3-W(CH3)2-CH2CH(OH)CH2S03- (Id) in which R1 is a saturated or unsaturated C6_22-alkyl radical, a C8_18-alkyl radical, or a saturated C10_16-alkyl radical, for example a saturated C12_14-alkyl radical, and mixtures thereof.
[0036] Illustrative Examples of suitable betaines and sulfobetaines are the following compounds named according to INCI: Almondamidopropyl Betaine,
14 Apricotamidopropyl Betaine, Avocadamidopropyl Betaine, Babassuamidopropyl Betaine, Behenamidopropyl Betaine, Behenyl Betaine, Betaine, Canolamidopropyl Betaine, Capryl/Capramidopropyl Betaine, Carnitine, Cetyl Betaine, Cocamidoethyl Betaine, Cocamidopropyl Betaine, Cocamidopropyl Hydroxysultaine, Coco-Betaine, Coco-Hydroxysultaine, Coco/Oleamidopropyl Betaine, Coco-Sultaine, Decyl Betaine, Dihydroxyethyl Olcyl Glycinate, Dihydroxycthyl Soy Glycinatc, Dihydroxyethyl Stearyl Glycinatc, Dihydroxyethyl Tallow Glycinatc, Dimethiconc Propyl PG-Betaine, Erucamidopropyl Hydroxysultaine, Hydrogenated Tallow Betaine, Isostearamidopropyl Bctainc, Lauramidopropyl Betaine, Lauryl Betaine, Laury!
Hydroxysultaine, Laury! Sultaine, Milkamidopropyl Betaine, Minkamidopropyl Betaine, Myristamidopropyl Betaine, Myristyl Betaine, Oleamidopropyl Betaine, Oleamidopropyl Hydroxysultaine, ()ley' Betaine, Olivamidopropyl Betaine, Palmamidopropyl Betaine, Palmitamidopropyl Betaine, Palmitoyl Camitine, Palm Kernelamiodopropyl Maine, Polytetrafluoroethylene Acctoxypropyl Betaine, Ricinolcamidopropyl Bctainc, Sesamidopropyl Bctaine, Soyamidopropyl Betaine, Stearamidopropyl Betaine, Stearyl Betaine, allowamidopropyl Betaine, Tallowamidopropyl Hydroxysultaine, Tallow Betaine, Tallow Dihydroxycthyl Betaine, Undecylenamidopropyl Betaine and Wheat Germamidopropyl Betaine, and mixtures therof.
[0037] Further examples of amphotcric surfactants, illustrated in US20070054829 Al, are from the group of alkyl acrylamide/acrylic acid copolymers, of alkyl acrylamide/methacrylic acid copolymers, of alkyl acrylamide/methyl mcthacrylic acid copolymers, of alkyl acrylamide/acrylic acid/alkyl aminoalkyl(meth)acrylic acid copolymers, of alkyl acrylamidc/methacrylic acid/alkyl aminoalkyl(mcth)acrylic acid copolymers, of alkyl acrylamide/methyl methacrylic acid/alkyl aminoalkyl (meth)acrylic acid copolymers, of alkyl acrylamide/alkyl meth acrylate/alkyl aminoethylmethacrylate/alkyl methacrylate copolymers as well as the copolymers from unsaturated carboxylic acids, cationically derivatized unsaturated carboxylic acid, and polymers which, in addition to one or more anionic monomers, also comprise methacrylamidoalkyl trialkyl ammonium chloride and dimethyl(diallyl)ammonium chloride as cationic monomers, and mixtures therof.
[0038] In accordance with an embodiment of the present invention, a liquid laundry additive comprises a biocide. At the dosage levels illustrated herein, tilhe biocide functions to stabilize the shelf life of the additive composition.
Examples of biocides are illustrated in US20100162923 Al such as carbendazim, chlorothalonil, 3-iodo-2-propynyl butyl carbamate (IPBC), 1,2-benzisothaiazolin-3-one (BIT), sodium omadinc, zinc omadinc, zinc oxide, tetrahydro-3,5-dimethy1-2H-1,3,5-thiadiazine-2 -thione solution, 5-hydroxymethoxymethy1-1 -AZA-3,7-dioxabicyclo [3.3.0] octane formaldehyde release type preservative, 2-n-octy1-4-isothiazolin-3-one, 1 -(3-chloroally1)-3,5,7-triaza- 1-azoniaadamantanc chloride. Various such biocides or fungicides are commercially available such as Mergal brand products from Troy Chemical Company, Inc., Promex¨ brand products from PromChem Ltd., Nuocide 960 Arch Zinc Omadinc and Proxcl GXL.'" antimicrobial from Arch Chemicals, and mixtures thereof.
[0039] In accordance with an embodiment of the present invention, a liquid laundry additive composition comprises fragrance. Any known fragrance or mixtures thereof that adds a pleasant aroma to the composition is suitable for use. Non-limiting illustrative examples of fragrances, for example those illustrated in Al, are the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type. Odorant compounds of the ester type are, for example, benzyl acetate, phenoxyethyl isobutyratc, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate, phenylethyl acetate, linalyl benzoate, benzyl formate, ethyl methyl phenylglycinate, allyl cyclohexylpropionate, styrallyl propionate and benzyl salicylatc. The ethers include, for example, benzyl ethyl ether; the aldehydes include, for example, the linear alkanals having 8-18 carbon atoms, citral, citronella], citronellyloxyacetaldehyde, cyclamen aldehyde, hydroxycitronellal, filial and bourgeonal; the ketones include, for example, the ionones, a-isomethylionone and methyl cedryl ketone; the alcohols include anethole, citronellol, eugenol, geraniol, linalool, phenylethyl alcohol and terpincol; the hydrocarbons include primarily the terpenes such as limoncne and pinenc. Mixtures of fragrances which together produce a pleasing fragrance note can also be used. Such fragrance oils may also comprise natural odorant mixtures, as are obtainable from vegetable sources, for example pine oil, citrus oil, jasmine oil, patchouli oil, rose oil or ylang-ylang oil.
Likewise are muscatel, sage oil, chamomile oil, clove oil, balm oil, mint oil, cinnamon leaf oil, lime blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil, and also orange blossom oil, neroli oil, orange peel oil and sandalwood oil.
[0040] In another embodiment, the liquid laundry additive is essentially free of at least one of enzyme, bleach, organic solvent, siloxanc, solids, citrate, polysaccharide, cationic surfactant and isoprenoid. In a further embodiment, the liquid laundry additive is additionally or alternatively essentially free of at least one of silicone and cyclodextrin.
100411 According to one embodiment, a laundry care article comprises a pour bottle containing the liquid laundry additive. According to another embodiment, the pour bottle is plastic, preferably a plastic squeeze bottle.
[0042] According to one embodiment, the liquid laundry additive, whether being used to treat laundry in a washing machine and/or treating washing machine drum odor, is added in an amount effective for the purpose. For example, the additive can be added for either purpose in an amount of at least about 1, 2, 3 or 4 ounces. It is believed that there is no upper limit for the amount added; however, from a cost-performance basis the additive can be added in amounts of up to about 6, 7, 8, 9 or even 10 ounces.
EXAMPLES
[0043] Following is a non-limiting illustrative example of liquid laundry detergent composition made in accordance with the teachings of this invention.
Component Weight A) Deionized water 78.1471 Promex Clear' 0.1000 CMC 9HF Cellulose gum2 0.6000 Flexisurf LDP3 1.0000 Green Ordenone4 0.1000 Flexisorb OD 120ZnR5 20.0000 Water (12.0000 wt.%) zinc ricinolcate (4.0000 wt.%) glycols (2.6000 wt.%) anionic surfactant (1.4000 wt.%) Fresh & Clean WS 119U52 0.0500 Key acid brilliant blue' 0.0029 1PromChem Ltd.
2Aqualon Product Manufactured by Ashland, Inc.
3Innovative Chemical Technologies, Inc.
4Belle Aire Fragrances 5Innovative Chemical Technologies, Inc.
Flavors & Fragrances Specialties, Inc.
'Keystone, Inc.
[0044] Six bath towels were washed in a front load washing machine with Tide brand laundry detergent alone, added according to the label instructions and then left overnight. When the washing machine was opened the next day to remove the towels, a noticeable objectionable (musty) odor was quite evident from both the towels and the washing machine drum upon removal of the towels therefrom. A liquid laundry additive composition according to the above formulation was then added in an amount of about 4 ounces and the towels without detergent were sent through a normal wash cycle. Upon completion of the wash cycle, the towels were removed and the objectionable odor was gone; a fresh aroma was detected. The odor was no longer present in the washing machine drum.
[0045] A quart sized glass jar with a round hinged metal lid, polymer lid gasket and closure clasp, to which a 3 inch square by 1/8 inch thick piece of silicone rubber to simulate a washing machine gasket, was used to simulate a small scale washing =
machine "test drum". The premise was that the inert glass surface, the lid's gasket and clasped closure would simulate a washing machine cycle on bench-top scale.
To create a silage odor in two "test drums", each was charged with about a quarter cup of fresh dry hay and sufficient water to substantially wet the rubber and hay. The lid clasps were then snapped shut forcing the polymer gaskets against the "test drum"
opening to create a seal. Under these condition microbes present in the hay convert the hay to silage which has a distinct volatile odor profile.
The "test drums" were allowed to stand sealed for three weeks. Upon opening both "test drums" a noticeable silage odor was detected. The "test drums" were emptied and then washed with detergent simulating a wash cycle. After drying both "test drums" still retained detectable silage odor.
One "test drum" was then dosed with two ounces of Zero Odor laundry additive and about 12 ounces of fresh warm water. The "test drum" was resealed and vigorously agitated by manual shaking for about five minutes. After the dosed "test drum"
was emptied of its contents it was rinsed with fresh warm water simulating a wash cycle.
Afterward the dry "test drum" had no detectable odor of any kind whatsoever.
Hydroxysultaine, Laury! Sultaine, Milkamidopropyl Betaine, Minkamidopropyl Betaine, Myristamidopropyl Betaine, Myristyl Betaine, Oleamidopropyl Betaine, Oleamidopropyl Hydroxysultaine, ()ley' Betaine, Olivamidopropyl Betaine, Palmamidopropyl Betaine, Palmitamidopropyl Betaine, Palmitoyl Camitine, Palm Kernelamiodopropyl Maine, Polytetrafluoroethylene Acctoxypropyl Betaine, Ricinolcamidopropyl Bctainc, Sesamidopropyl Bctaine, Soyamidopropyl Betaine, Stearamidopropyl Betaine, Stearyl Betaine, allowamidopropyl Betaine, Tallowamidopropyl Hydroxysultaine, Tallow Betaine, Tallow Dihydroxycthyl Betaine, Undecylenamidopropyl Betaine and Wheat Germamidopropyl Betaine, and mixtures therof.
[0037] Further examples of amphotcric surfactants, illustrated in US20070054829 Al, are from the group of alkyl acrylamide/acrylic acid copolymers, of alkyl acrylamide/methacrylic acid copolymers, of alkyl acrylamide/methyl mcthacrylic acid copolymers, of alkyl acrylamide/acrylic acid/alkyl aminoalkyl(meth)acrylic acid copolymers, of alkyl acrylamidc/methacrylic acid/alkyl aminoalkyl(mcth)acrylic acid copolymers, of alkyl acrylamide/methyl methacrylic acid/alkyl aminoalkyl (meth)acrylic acid copolymers, of alkyl acrylamide/alkyl meth acrylate/alkyl aminoethylmethacrylate/alkyl methacrylate copolymers as well as the copolymers from unsaturated carboxylic acids, cationically derivatized unsaturated carboxylic acid, and polymers which, in addition to one or more anionic monomers, also comprise methacrylamidoalkyl trialkyl ammonium chloride and dimethyl(diallyl)ammonium chloride as cationic monomers, and mixtures therof.
[0038] In accordance with an embodiment of the present invention, a liquid laundry additive comprises a biocide. At the dosage levels illustrated herein, tilhe biocide functions to stabilize the shelf life of the additive composition.
Examples of biocides are illustrated in US20100162923 Al such as carbendazim, chlorothalonil, 3-iodo-2-propynyl butyl carbamate (IPBC), 1,2-benzisothaiazolin-3-one (BIT), sodium omadinc, zinc omadinc, zinc oxide, tetrahydro-3,5-dimethy1-2H-1,3,5-thiadiazine-2 -thione solution, 5-hydroxymethoxymethy1-1 -AZA-3,7-dioxabicyclo [3.3.0] octane formaldehyde release type preservative, 2-n-octy1-4-isothiazolin-3-one, 1 -(3-chloroally1)-3,5,7-triaza- 1-azoniaadamantanc chloride. Various such biocides or fungicides are commercially available such as Mergal brand products from Troy Chemical Company, Inc., Promex¨ brand products from PromChem Ltd., Nuocide 960 Arch Zinc Omadinc and Proxcl GXL.'" antimicrobial from Arch Chemicals, and mixtures thereof.
[0039] In accordance with an embodiment of the present invention, a liquid laundry additive composition comprises fragrance. Any known fragrance or mixtures thereof that adds a pleasant aroma to the composition is suitable for use. Non-limiting illustrative examples of fragrances, for example those illustrated in Al, are the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type. Odorant compounds of the ester type are, for example, benzyl acetate, phenoxyethyl isobutyratc, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate, phenylethyl acetate, linalyl benzoate, benzyl formate, ethyl methyl phenylglycinate, allyl cyclohexylpropionate, styrallyl propionate and benzyl salicylatc. The ethers include, for example, benzyl ethyl ether; the aldehydes include, for example, the linear alkanals having 8-18 carbon atoms, citral, citronella], citronellyloxyacetaldehyde, cyclamen aldehyde, hydroxycitronellal, filial and bourgeonal; the ketones include, for example, the ionones, a-isomethylionone and methyl cedryl ketone; the alcohols include anethole, citronellol, eugenol, geraniol, linalool, phenylethyl alcohol and terpincol; the hydrocarbons include primarily the terpenes such as limoncne and pinenc. Mixtures of fragrances which together produce a pleasing fragrance note can also be used. Such fragrance oils may also comprise natural odorant mixtures, as are obtainable from vegetable sources, for example pine oil, citrus oil, jasmine oil, patchouli oil, rose oil or ylang-ylang oil.
Likewise are muscatel, sage oil, chamomile oil, clove oil, balm oil, mint oil, cinnamon leaf oil, lime blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil, and also orange blossom oil, neroli oil, orange peel oil and sandalwood oil.
[0040] In another embodiment, the liquid laundry additive is essentially free of at least one of enzyme, bleach, organic solvent, siloxanc, solids, citrate, polysaccharide, cationic surfactant and isoprenoid. In a further embodiment, the liquid laundry additive is additionally or alternatively essentially free of at least one of silicone and cyclodextrin.
100411 According to one embodiment, a laundry care article comprises a pour bottle containing the liquid laundry additive. According to another embodiment, the pour bottle is plastic, preferably a plastic squeeze bottle.
[0042] According to one embodiment, the liquid laundry additive, whether being used to treat laundry in a washing machine and/or treating washing machine drum odor, is added in an amount effective for the purpose. For example, the additive can be added for either purpose in an amount of at least about 1, 2, 3 or 4 ounces. It is believed that there is no upper limit for the amount added; however, from a cost-performance basis the additive can be added in amounts of up to about 6, 7, 8, 9 or even 10 ounces.
EXAMPLES
[0043] Following is a non-limiting illustrative example of liquid laundry detergent composition made in accordance with the teachings of this invention.
Component Weight A) Deionized water 78.1471 Promex Clear' 0.1000 CMC 9HF Cellulose gum2 0.6000 Flexisurf LDP3 1.0000 Green Ordenone4 0.1000 Flexisorb OD 120ZnR5 20.0000 Water (12.0000 wt.%) zinc ricinolcate (4.0000 wt.%) glycols (2.6000 wt.%) anionic surfactant (1.4000 wt.%) Fresh & Clean WS 119U52 0.0500 Key acid brilliant blue' 0.0029 1PromChem Ltd.
2Aqualon Product Manufactured by Ashland, Inc.
3Innovative Chemical Technologies, Inc.
4Belle Aire Fragrances 5Innovative Chemical Technologies, Inc.
Flavors & Fragrances Specialties, Inc.
'Keystone, Inc.
[0044] Six bath towels were washed in a front load washing machine with Tide brand laundry detergent alone, added according to the label instructions and then left overnight. When the washing machine was opened the next day to remove the towels, a noticeable objectionable (musty) odor was quite evident from both the towels and the washing machine drum upon removal of the towels therefrom. A liquid laundry additive composition according to the above formulation was then added in an amount of about 4 ounces and the towels without detergent were sent through a normal wash cycle. Upon completion of the wash cycle, the towels were removed and the objectionable odor was gone; a fresh aroma was detected. The odor was no longer present in the washing machine drum.
[0045] A quart sized glass jar with a round hinged metal lid, polymer lid gasket and closure clasp, to which a 3 inch square by 1/8 inch thick piece of silicone rubber to simulate a washing machine gasket, was used to simulate a small scale washing =
machine "test drum". The premise was that the inert glass surface, the lid's gasket and clasped closure would simulate a washing machine cycle on bench-top scale.
To create a silage odor in two "test drums", each was charged with about a quarter cup of fresh dry hay and sufficient water to substantially wet the rubber and hay. The lid clasps were then snapped shut forcing the polymer gaskets against the "test drum"
opening to create a seal. Under these condition microbes present in the hay convert the hay to silage which has a distinct volatile odor profile.
The "test drums" were allowed to stand sealed for three weeks. Upon opening both "test drums" a noticeable silage odor was detected. The "test drums" were emptied and then washed with detergent simulating a wash cycle. After drying both "test drums" still retained detectable silage odor.
One "test drum" was then dosed with two ounces of Zero Odor laundry additive and about 12 ounces of fresh warm water. The "test drum" was resealed and vigorously agitated by manual shaking for about five minutes. After the dosed "test drum"
was emptied of its contents it was rinsed with fresh warm water simulating a wash cycle.
Afterward the dry "test drum" had no detectable odor of any kind whatsoever.
Claims (38)
1. A liquid laundry additive comprising:
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 10% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable.
a. zinc ricinoleate;
b. carboxyalkyl cellulose; and c. at least one surfactant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 10% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable.
2. The liquid laundry additive of claim 1, wherein the surfactant comprises an amphoteric surfactant, an anionic surfactant, and, optionally, a nonionic surfactant.
3. The liquid laundry additive of claim 1, further comprising a biocide.
4. The liquid laundry additive of claim 1, wherein the carboxyalkyl cellulose comprises carboxymethyl cellulose.
5. The liquid laundry additive of claim 2, wherein the carboxyalkyl cellulose comprises carboxymethyl cellulose.
6. The liquid laundry additive of claim 1, wherein the additive has a pH
greater than 7.
greater than 7.
7. The liquid laundry additive of claim 6, wherein the additive has a pH of at least about 8.5.
8. The liquid laundry additive of claim 1, which is essentially free of enzyme, bleach, organic solvent, siloxane, solids, citrate, polysaccharide, and isoprenoid.
9. The liquid laundry additive of claim 1, which is essentially free of silicone and cyclodextrin.
10. The liquid laundry additive of claim 1, wherein, the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less and the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1.
11. The liquid laundry additive of claim 10, wherein the carboxyalkyl cellulose comprises carboxymethyl cellulose.
12. The liquid laundry additive of claim 2, wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 7% or less, and the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1.
13. The liquid laundry additive of claim 1, wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 5% or less, and the ratio of total surfactant to zinc ricinolcate, on a dry basis, is less than about 1:1.
14. The liquid laundry additive of claim 13, wherein the carboxyalkyl cellulose is carboxymethyl cellulose.
15. A method for treating laundry in a washing machine comprising adding to the washing machine in combination:
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the amount of zinc ricinoleate, on a wet basis, is about 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable.
a. laundry to be treated;
b. detergent; and c. liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the amount of zinc ricinoleate, on a wet basis, is about 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 4:1, and the additive is pourable.
16. The method of claim 15, wherein the surfactant comprises an amphoteric surfactant, an anionic surfactant, and, optionally, a nonionic surfactant.
17. The method of claim 16, further comprising a biocide.
18. The method of claim 17, wherein the carboxyalkyl cellulose comprises carboxymethyl cellulose.
19. The method of claim 15, wherein b. and c. are added separately.
20. The method of claim 15, wherein b. and c. arc mixed before adding to the laundry.
21. The method of claim 15, wherein the amount of zinc ricinoleate, on a wet basis, is about 7% or less of the liquid laundry additive and the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 2:1.
22. The method of claim 21, wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 5% or less in the additive, and the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1:1.
23. A method for treating laundry washing machine drum odor, comprising:
a. adding to the washing machine a liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate, on a wet basis, is 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 4:1 on a dry basis, and the additive is pourable.
a. adding to the washing machine a liquid laundry additive comprising:
i. zinc ricinoleate;
carboxyalkyl cellulose; and iii. at least one surfactant;
wherein the zinc ricinoleate, on a wet basis, is 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 4:1 on a dry basis, and the additive is pourable.
24. The method of claim 23, wherein the additive further comprises a biocide.
25. A method according to claim 23, wherein laundry detergent is also added.
26. A method according to claim 23, wherein the washing machine contains laundry to be washed.
27. A method according to claim 25, wherein the washing machine contains laundry to be washed.
28. A liquid laundry additive comprising:
a. zinc ricinoleate;
b. carboxyalkyl cellulose;
c. amphoteric surfactant;
d. anionic surfactant;
c. biocide;
f. fragrance; and g. colorant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount about 10% or less, the ratio of total surfactant to zinc ricinoleate is less than about 4:1 on a dry basis, and the additive is pourable.
a. zinc ricinoleate;
b. carboxyalkyl cellulose;
c. amphoteric surfactant;
d. anionic surfactant;
c. biocide;
f. fragrance; and g. colorant;
wherein the zinc ricinoleate is present, on a wet basis, in an amount about 10% or less, the ratio of total surfactant to zinc ricinoleate is less than about 4:1 on a dry basis, and the additive is pourable.
29. The liquid laundry additive of claim 28, wherein the zinc ricinoleate is present, on a wet basis, in an amount about 7% or less, the ratio of total surfactant to zinc ricinoleate is less than 2:1, and the biocide is less than about 1% of the composition.
30. The liquid laundry additive of claim 28, wherein the zinc ricinoleate is present, on a wet basis, in an amount about 5% or less, the ratio of total surfactant to zinc ricinoleate is less than 1:1, and the biocide is less than about 1% of the composition.
31. The liquid laundry additive of claim 1, wherein the zinc ricinoleate is present therein in an amount of about 2-10% on a wet basis.
32. The liquid laundry additive of claim 31, wherein the zinc ricinoleate is present therein in amount of about 3-6% on a wet basis.
33. The liquid laundry additive of claim 28, further comprising nonionic surfactant.
34. The liquid laundry additive of claim 1, comprising an aqueous solvent.
35. The liquid laundry additive of claim 15, wherein the additive comprises an aqueous solvent.
36. The liquid laundry additive of claim 23, wherein the additive comprises an aqueous solvent.
37. A laundry care article comprising a pour bottle containing the liquid laundry additive of claim 1.
38. The laundry care article of claim 36, wherein the pour bottle is a plastic squeeze bottle.
Priority Applications (1)
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CA2929357A CA2929357A1 (en) | 2016-05-09 | 2016-05-09 | Laundry additive and drum treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CA2929357A CA2929357A1 (en) | 2016-05-09 | 2016-05-09 | Laundry additive and drum treatment |
Publications (1)
Publication Number | Publication Date |
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CA2929357A1 true CA2929357A1 (en) | 2017-11-09 |
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ID=60265986
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CA2929357A Pending CA2929357A1 (en) | 2016-05-09 | 2016-05-09 | Laundry additive and drum treatment |
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2016
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