EP2970823B1 - Laundry detergent composition for low temperature washing - Google Patents
Laundry detergent composition for low temperature washing Download PDFInfo
- Publication number
- EP2970823B1 EP2970823B1 EP13709212.8A EP13709212A EP2970823B1 EP 2970823 B1 EP2970823 B1 EP 2970823B1 EP 13709212 A EP13709212 A EP 13709212A EP 2970823 B1 EP2970823 B1 EP 2970823B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent composition
- acid
- component
- preferred
- composition
- 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.)
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- 239000000203 mixture Substances 0.000 title claims description 202
- 239000003599 detergent Substances 0.000 title claims description 131
- 238000005406 washing Methods 0.000 title description 18
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 41
- 239000003795 chemical substances by application Substances 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 claims description 35
- 239000004094 surface-active agent Substances 0.000 claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 28
- 239000002736 nonionic surfactant Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000003112 inhibitor Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 13
- 239000003002 pH adjusting agent Substances 0.000 claims description 13
- 239000003945 anionic surfactant Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 150000003138 primary alcohols Chemical class 0.000 claims description 11
- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical compound CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 claims description 11
- 239000004615 ingredient Substances 0.000 claims description 10
- 102000004190 Enzymes Human genes 0.000 claims description 8
- 108090000790 Enzymes Proteins 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 235000021317 phosphate Nutrition 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 6
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 claims description 6
- 239000008139 complexing agent Substances 0.000 claims description 5
- 239000002304 perfume Substances 0.000 claims description 5
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 3
- 125000005907 alkyl ester group Chemical group 0.000 claims description 3
- 229940115440 aluminum sodium silicate Drugs 0.000 claims description 3
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 150000003385 sodium Chemical class 0.000 claims description 3
- 239000000429 sodium aluminium silicate Substances 0.000 claims description 3
- 235000012217 sodium aluminium silicate Nutrition 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- MSLRPWGRFCKNIZ-UHFFFAOYSA-J tetrasodium;hydrogen peroxide;dicarbonate Chemical compound [Na+].[Na+].[Na+].[Na+].OO.OO.OO.[O-]C([O-])=O.[O-]C([O-])=O MSLRPWGRFCKNIZ-UHFFFAOYSA-J 0.000 claims description 3
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 claims description 2
- 241000402754 Erythranthe moschata Species 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 125000003367 polycyclic group Chemical group 0.000 claims description 2
- -1 unsaturated aliphatic radical Chemical class 0.000 description 48
- 239000000975 dye Substances 0.000 description 37
- 239000002253 acid Substances 0.000 description 29
- 239000004744 fabric Substances 0.000 description 25
- 239000000047 product Substances 0.000 description 25
- 229920000742 Cotton Polymers 0.000 description 23
- 241000219146 Gossypium Species 0.000 description 22
- 239000002689 soil Substances 0.000 description 20
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 17
- 239000003352 sequestering agent Substances 0.000 description 16
- 238000012360 testing method Methods 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 15
- 238000012546 transfer Methods 0.000 description 15
- 125000000217 alkyl group Chemical group 0.000 description 14
- 150000001298 alcohols Chemical class 0.000 description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 12
- 239000000194 fatty acid Substances 0.000 description 12
- 238000011010 flushing procedure Methods 0.000 description 12
- 239000010457 zeolite Substances 0.000 description 12
- 239000000370 acceptor Substances 0.000 description 11
- 150000007513 acids Chemical class 0.000 description 11
- 235000014113 dietary fatty acids Nutrition 0.000 description 11
- 229930195729 fatty acid Natural products 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 229960001484 edetic acid Drugs 0.000 description 10
- 238000010412 laundry washing Methods 0.000 description 10
- 150000001412 amines Chemical class 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 239000003093 cationic surfactant Substances 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000003752 hydrotrope Substances 0.000 description 8
- 229910021536 Zeolite Inorganic materials 0.000 description 7
- 239000002280 amphoteric surfactant Substances 0.000 description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 7
- 239000004753 textile Substances 0.000 description 7
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 6
- 239000004902 Softening Agent Substances 0.000 description 6
- 239000013522 chelant Substances 0.000 description 6
- 229940088598 enzyme Drugs 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000985 reactive dye Substances 0.000 description 6
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 description 6
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 6
- 150000001735 carboxylic acids Chemical class 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000007046 ethoxylation reaction Methods 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- 239000003205 fragrance Substances 0.000 description 5
- 229940093915 gynecological organic acid Drugs 0.000 description 5
- 150000007524 organic acids Chemical class 0.000 description 5
- 235000005985 organic acids Nutrition 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- CIEZZGWIJBXOTE-UHFFFAOYSA-N 2-[bis(carboxymethyl)amino]propanoic acid Chemical compound OC(=O)C(C)N(CC(O)=O)CC(O)=O CIEZZGWIJBXOTE-UHFFFAOYSA-N 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 4
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229920002125 Sokalan® Polymers 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 150000003868 ammonium compounds Chemical group 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 4
- 235000015165 citric acid Nutrition 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical class OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 4
- PQHYOGIRXOKOEJ-UHFFFAOYSA-N 2-(1,2-dicarboxyethylamino)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)NC(C(O)=O)CC(O)=O PQHYOGIRXOKOEJ-UHFFFAOYSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical class [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical class CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical class [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 150000003973 alkyl amines Chemical class 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- XPRMZBUQQMPKCR-UHFFFAOYSA-L disodium;8-anilino-5-[[4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C3=CC=CC=C3C(N=NC=3C4=CC=CC(=C4C(NC=4C=CC=CC=4)=CC=3)S([O-])(=O)=O)=CC=2)=C1 XPRMZBUQQMPKCR-UHFFFAOYSA-L 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000004900 laundering Methods 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000010186 staining Methods 0.000 description 3
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 235000021286 stilbenes Nutrition 0.000 description 3
- 239000003760 tallow Substances 0.000 description 3
- 239000011975 tartaric acid Substances 0.000 description 3
- 235000002906 tartaric acid Nutrition 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 239000011701 zinc Chemical class 0.000 description 3
- 229910052725 zinc Chemical class 0.000 description 3
- KWMLJOLKUYYJFJ-GASJEMHNSA-N (2xi)-D-gluco-heptonic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)C(O)=O KWMLJOLKUYYJFJ-GASJEMHNSA-N 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 2
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 2
- XUJLWPFSUCHPQL-UHFFFAOYSA-N 11-methyldodecan-1-ol Chemical compound CC(C)CCCCCCCCCCO XUJLWPFSUCHPQL-UHFFFAOYSA-N 0.000 description 2
- JPIJQSOTBSSVTP-UHFFFAOYSA-N 2,3,4-trihydroxybutanoic acid Chemical compound OCC(O)C(O)C(O)=O JPIJQSOTBSSVTP-UHFFFAOYSA-N 0.000 description 2
- YDZIJQXINJLRLL-UHFFFAOYSA-N 2-hydroxydodecanoic acid Chemical compound CCCCCCCCCCC(O)C(O)=O YDZIJQXINJLRLL-UHFFFAOYSA-N 0.000 description 2
- HZLCGUXUOFWCCN-UHFFFAOYSA-N 2-hydroxynonadecane-1,2,3-tricarboxylic acid Chemical compound CCCCCCCCCCCCCCCCC(C(O)=O)C(O)(C(O)=O)CC(O)=O HZLCGUXUOFWCCN-UHFFFAOYSA-N 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 2
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
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- ZTVCAEHRNBOTLI-UHFFFAOYSA-L Glycine, N-(carboxymethyl)-N-(2-hydroxyethyl)-, disodium salt Chemical compound [Na+].[Na+].OCCN(CC([O-])=O)CC([O-])=O ZTVCAEHRNBOTLI-UHFFFAOYSA-L 0.000 description 2
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
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- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 239000002535 acidifier Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
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- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- KHKRPRQZEUYKNE-UHFFFAOYSA-M sodium;3-[2-(2-heptyl-4,5-dihydroimidazol-1-yl)ethoxy]propanoate Chemical compound [Na+].CCCCCCCC1=NCCN1CCOCCC([O-])=O KHKRPRQZEUYKNE-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- UJMBCXLDXJUMFB-GLCFPVLVSA-K tartrazine Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-GLCFPVLVSA-K 0.000 description 1
- 235000012756 tartrazine Nutrition 0.000 description 1
- 239000004149 tartrazine Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 description 1
- 235000015113 tomato pastes and purées Nutrition 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical class [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 description 1
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3907—Organic compounds
- C11D3/3917—Nitrogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/12—Soft surfaces, e.g. textile
Definitions
- the cleaning properties of the two-component color detergent composition for use at low temperature are predominantly determined by the at least one non-ionic surfactant.
- the non-ionic alkoxylated alcohol surfactants provide for enhancing the cleaning properties of the detergent composition.
- the non-ionic alkoxylated alcohol surfactants can be used to reduce surface tension, to wet the soil particulate in order to allow penetration of the detergent composition and to separate the soil from the laundry item washed with it.
- Suitable non-ionic surfactants include the polyoxyethylene-polyoxypropylene condensates, which are sold by BASF under the trade name Pluronic®, polyoxy ethylene condensates of aliphatic alcohols/ethylene oxide condensates having from 1 to 30 moles of ethylene oxide per mole of coconut alcohol; ethoxylated long chain alcohols sold by Shell Chemical Co.
- Neodol® polyoxyethylene condensates of sorbitan fatty acids, alkanolamides, such as the monoalkoanolamides, dialkanolamides and the ethoxylated alkanolamides, for example coconut monoethanolamide, lauric isopropanolamide and lauric diethanolamide, and amine oxides, for example dodecyldimethylamine oxide.
- non-ionic surfactants include alkylphenol alkoxylates and amine oxides such as alkyl dimethylamine oxide or bis (2-hydroxyethyl)alkylamine oxide.
- Suitable cationic surfactants include quaternary ammonium compounds having the formula of RR'R"R''N + X + , where R, R', R" and R'" independently from another represent a C 1 -C 24 alkyl, aryl or arylalkyl group that can optionally contain one or more P, O, S or N heteroatoms, and X is F, Cl, Br, I or an alkyl sulfate.
- Additional preferred cationic surfactants include ethoxylated and/or propoxylated alkyl amines, diamines, or triamines.
- the detergent composition according to the invention can be adjusted by adding the at least one source of alkalinity so that a pH-value of > 8 and ⁇ 10, preferably of > 8.2 and ⁇ 9.8, more preferably of > 8.3 and ⁇ 9.7, even more preferably of > 8.4 and ⁇ 9.6, further preferred of > 8.6 and ⁇ 9.5, most preferred of > 8.8 and ⁇ 9.3 is achieved.
- Exemplary phosphates include sodium pyrophosphate, potassium pyrophosphate, and mixtures thereof.
- the detergent composition of the present invention can comprise zeolites.
- the amount of zeolites can be > 2 wt.-% to ⁇ 40 wt.-%, preferably > 10 wt.-% to ⁇ 35 wt.-%, further preferred > 15 wt.-% to ⁇ 30 wt.-%, and more preferred > 20 wt.-% to ⁇ 25 wt.-%, based on the total weight of the detergent composition.
- Suitable zeolites have a mean particle size of less than 10 ⁇ m(volume distribution, as measured by the Coulter Counter Method) and preferably comprise >18% to ⁇ 22% by weight of bound water.
- the detergent composition according to the invention is free of zeolites.
- the detergent composition according to the invention may comprises a corrosion inhibitor selected from the group consisting of silicate, calcium acetate, calcium chloride, calcium gluconate, calcium phosphate, calcium borate, calcium carbonate, calcium citrate, calcium lactate, calcium sulfate, calcium tartrate, benzotriazole, 1,2,3-benzotriazole and mixtures thereof.
- a corrosion inhibitor selected from the group consisting of silicate, calcium acetate, calcium chloride, calcium gluconate, calcium phosphate, calcium borate, calcium carbonate, calcium citrate, calcium lactate, calcium sulfate, calcium tartrate, benzotriazole, 1,2,3-benzotriazole and mixtures thereof.
- silicates include sodium metasilicates, sesquisilicates, orthosilicates, potassium silicates, and mixtures thereof. However, most preferred is sodium silicate.
- Additional corrosion inhibitors which may optionally be added to the composition of this invention include metal salts of magnesium and/or zinc.
- the metal ions are provided in water-soluble form.
- useful water-soluble forms of magnesium and zinc ions are the chlorides, nitrates and sulfates of the respective metals.
- Useful carboxylated polymers may generically be categorized as water-soluble carboxylic acid polymers such as polyacrylic and polymethacrylic acids or vinyl addition polymers.
- hydrotropes examples include the sodium, potassium, ammonium and alkanol ammonium salts of xylene, toluene, ethylbenzoate, isopropylbenzene, naphthalene, alkyl naphthalene sulfonates, phosphate esters of alkoxylated alkyl phenols, phosphate esters of alkoxylated alcohols, short chain (C 1 to C 8 ) alkyl polyglycosides, sodium, potassium and ammonium salts of the alkyl sarcosinates, salts of cumene sulfonates, amino propionates, diphenyl oxides, and disulfonates.
- the hydrotropes are useful in maintaining the organic materials including the surfactant(s) readily dispersed in the aqueous cleaning solution.
- the detergent composition according to the invention is preferably free of chelant component.
- the detergent composition of the invention can comprise a chelant that exhibits soil removal properties when used at alkaline conditions.
- the chelant component is provided for tying up metals in the soil to assist in cleaning and detergency.
- the chelant component can be provided in the composition in an amount of > 1 wt.-% to ⁇ 30 wt.-%, preferably > 2 wt.-% to ⁇ 20 wt.-%, further preferred > 4 wt.-% to ⁇ 10 wt.-%, and more preferred > 6 wt.-% to ⁇ 8 wt.-%, based on the total weight of the composition.
- the chelant component can include mixtures of different chelants.
- Exemplary salts of ethylene diamine tetraacetic acid include disodium salts, tetrasodium salts, diammonium salts, and trisodium salts.
- An exemplary salt of hydroxyethyl ethylene diamine triacetic acid is the trisodium salt.
- Preferred hydroxymonocarboxylic acid compounds include citric acid; propionic acid; gluconic acid; glycolic acid; glucoheptanoic acid; and succinic acid.
- Suitable hydroxydicarboxylic acid compounds include, but are not limited to, tartronic acid ; malic acid; tartaric acid; arabiraric acid; ribaric acid; xylaric acid; lyxaric acid; glucaric acid; galactaric acid; mannaric acid; gularic acid; allaric acid; altraric acid; idaric acid; and talaric acid.
- Preferred hydroxydicarboxylic acid compounds include tartaric acid as well as ethylene diamine tetraacetic acid.
- foam inhibitors for example mixtures of silicones, paraffins or waxes, may also be used.
- the detergent composition according to the invention may comprise dispersion agents.
- a dispersion agent can be provided in the composition in an amount of > 1 wt.-% to ⁇ 20 wt.- %, preferably > 2 wt.-% to ⁇ 15 wt.-%, further preferred > 4 wt.-% to ⁇ 10 wt.-%, and more preferred > 6 wt.-% to ⁇ 8 wt.-%, based on the total weight of the detergent composition.
- the dispersion agent can include mixtures of different dispersion agent.
- Suitable, yet less preferred dispersion agents of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene, in which the content of the acid is at least 50 wt. %.
- vinyl ethers such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene
- Terpolymers which comprise two unsaturated acids and/or their salts as monomers as well as vinyl alcohol and/or an esterified vinyl alcohol or a carbohydrate, can also be used as water-soluble organic builders.
- the detergent composition according to the invention is preferably free of other additives. However, other additives may be included in the composition according to the present invention if considered necessary.
- Exemplary additional agents include anti-redeposition agents, optical brighteners, sequestrates, builders, water conditioning agents, oil and water repellant agents, color fastness agents, starch/sizing agents, fabric softening agents, souring agents, iron controlling agents, antimicrobials, fungicides, UV absorbers and/or fragrances, and the like.
- the detergent composition according to the invention may also comprises an enzyme material.
- the enzyme material can be selected from proteases, amylases, lipases, cellulases, peroxidases, and mixtures thereof.
- the enzyme material can be present in said composition in a concentration of from 0.001 wt.-% to 3 wt.-%, based on the total weight of the detergent composition.
- Dyes may be included to alter the appearance of the composition, as for example, Direct Blue 86® (Miles), Fastusol Blue® (Mobay Chemical Corp.), Acid Orange 7® (American Cyanamid), Basic Violet 10® (Sandoz), Acid Yellow 23® (GAF), Acid Yellow 17® (Sigma Chemical), Sap Green® (Keyston Analine and Chemical), Metanil Yellow® (Keystone Analine and Chemical), Acid Blue 9® (Hilton Davis), Sandolan Blue/ Acid Blue 182® (Sandoz), Hisol Fast Red® (Capitol Color and Chemical), Fluorescein® (Capitol Color and Chemical), Acid Green 25® (Ciba-Geigy), and the like.
- Direct Blue 86® Miles
- Fastusol Blue® Mobay Chemical Corp.
- Acid Orange 7® American Cyanamid
- Basic Violet 10® Sandoz
- Acid Yellow 23® GAF
- Acid Yellow 17® Sigma Chemical
- Sap Green® Keyston Analine and Chemical
- Metanil Yellow® Keystone Ana
- preferred dyes and odorants include one or more blue dyes, which can be employed at concentrations up to 1 wt-%.
- Anti-redeposition agents can be used to facilitate sustaining a suspension of soils in solution and reduce the tendency of the soils to be redeposited onto a substrate from which they have been removed.
- the amount of anti-redeposition agents can be > 0.1 wt.-% to ⁇ 10 wt.-%, preferably > 0.2 wt.-% to ⁇ 5 wt.-%, further preferred > 0.3 wt.-% to ⁇ 1 wt.-%, and more preferred > 0.4 wt.-% to ⁇ 0.5 wt.-%, based on the total weight of the composition.
- Most brightener compounds are derivatives of stilbene or 4,4'-diamino stilbene, biphenyl, five-membered heterocycles (triazoles, oxazoles, imidazoles, etc.) or six-membered heterocycles (cumarins, naphthalamides, triazines, etc.).
- optical brighteners which may be useful in a detergent composition according to the present invention can be classified into subgroups, which include, but are not necessarily limited to, derivatives of stilbene, pyrazoline, coumarin, carboxylic acid, methinecyanines, dibenzothiophene-5,5-dioxide, azoles, 5- and 6-membered-ring heterocycles and other miscellaneous agents.
- Stilbene derivatives which may be useful in the present invention include, but are not necessarily limited to, derivatives of bis(triazinyl)amino-stilbene; bisacylamino derivatives of stilbene; triazole derivatives of stilbene; oxadiazole derivatives of stilbene; oxazole derivatives of stilbene; and styryl derivatives of stilbene.
- Preferred optical brighteners include stilbene derivatives.
- Optical brighteners that can suitably be used are 4,4'-bis-(2-sulostyryl)biphenyl (CBS- X) and/or 4,4'-bis-[(4,6-di-anilino-s-triazin-2-yl)-amino]-2,2'-stilbenedisulfonate (DMS-X).
- the amount of optical brighteners can be > 0.1 wt.-% to ⁇ 2 wt.-%, and more preferred > 0.2 wt.-% to ⁇ 1 wt.-%, based on the total weight of the detergent composition.
- the builder can include an organic phosphonate, such as an organic-phosphonic acid and alkali metal salts thereof.
- the sequestrant can be or include an aminocarboxylic acid type sequestrant. Suitable aminocarboxylic acid type sequestrants include the acids or alkali metal salts thereof, e.g. amino acetates and salts thereof.
- N-hydroxyethylaminodiacetic acid hydro xyethylenediaminetetraacetic acid, nitrilotriacetic acid (NTA); methylglycinediacetic acid (MGDA); 2-hydroxyethyliminodiacetic acid (HEIDA); ethylenediaminetetraacetic acid (EDTA); N-hydroxyethyl-ethylenediaminetriacetic acid (HEDTA); diethylenetriammepentaacetic acid (DTPA); and alanine-N,N-diacetic acid; and mixtures thereof.
- Preferred amino carboxylates include the sodium salt of EDTA, MGDA, and HEIDA.
- An exemplary sequestrant or builder that can be used includes iminodisuccinic acid (IDS) and salts of iminodisuccinic acid.
- IDS iminodisuccinic acid
- Such sequestrants are desirable because they are generally considered to be more environmentally friendly compared with other sequestrants.
- alkylated quaternary ammonium compounds include monoalkyl trimethyl quaternary ammonium compounds, monomethyl trialkyl quaternary ammonium compounds, and dialkyl dimethyl quaternary ammonium compounds.
- alkylated quaternary ammonium compounds that are commercially available are Adogen®, Arosurf®, Variquat®, and Varisoft®.
- the alkyl group can be a C 8 - C 22 group or a C 8 -C 18 group or a C 12 -C 22 group that is aliphatic and saturated or unsaturated or straight or branched, a benzyl group, an alkyl ether propyl group, a stearyl group, or a palmityl group.
- amido amine quaternary ammonium compounds that can be used according to the invention are methyl-bis(tallow amidoethyl)-2-hydroxyethyl ammonium methyl sulfate, and methyl bis (oleylamidoethyl)-2-hydroxyethyl ammonium methyl sulfate.
- ester quaternary compounds are available under the name Stephantex®.
- the quaternary ammonium compounds can include any counter ion that allows the component to be used in a manner that imparts fabric-softening properties.
- Exemplary counter ions include chloride, methyl sulfate, ethyl sulfate, and sulfate.
- the softening agents are optional components and need not be present in the detergent composition according to the invention.
- fabric softening agents When fabric softening agents are incorporated into the composition of the invention, they can be included in amounts of > 1 wt.-% to ⁇ 20 wt.-%, preferably > 2 wt.-% to ⁇ 18 wt.-%, further preferred > 4 wt.-% to ⁇ 15 wt.-%, and more preferred > 5 wt.-% to ⁇ 10 wt.-%, based on the total weight of the detergent composition.
- the pH adjusting agent When used to increase the pH, it can be referred to as an alkaline agent.
- exemplary alkaline agents that can be used have already been mentioned above and referred to as "source of alkalinity".
- an acidifying agent When the pH adjusting agent is used to lower the pH, it can be referred to as an acidifying agent.
- exemplary acidifying agents include inorganic acids, organic acids, and mixtures of inorganic acids and organic acids.
- Exemplary inorganic acids that can be used include mineral acids such as sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid.
- Exemplary organic acids that can be used include carboxylic acids including monocarboxylic acids and polycarboxylic acids such as dicarboxylic acids.
- Exemplary carboxylic acids include aliphatic and aromatic carboxylic acids.
- Exemplary aliphatic fatty acids include oleic acid, palmitic acid, stearic acid, C 3 -C 26 fatty acids that may be saturated or unsaturated, and sulfonated forms of fatty acids.
- An exemplary aromatic fatty acid includes phenylstearic acid. Additional acids that can be used include peroxycarboxylic acid such as peroxyacetic acid, and phthalimidopercarboxylic acids. Additional acidic pH adjusting agents include carbon dioxide and ozone.
- the detergent composition according to the invention does not comprise any peroxo compound other than the at least one percarbonate.
- the two-component color detergent composition according to the present application can be prepared by a process comprising the steps of
- Flushing can include contacting the laundry item with a flushing composition.
- flushing is the initial wetting step in the machine that carries out the washing procedure.
- a method of cleaning laundry can include flushing one, two, or more times.
- Conventional flushing compositions are water (e.g., soft or tap water).
- flushing can separate loose soil from and wet a laundry item, but little more.
- Flushing can be referred to as presoaking, preflushing, or prewashing.
- flushing includes or can be contacting the laundry item with a penetrant composition.
- contacting with a penetrant composition precedes contact of the laundry item with any composition other than water.
- Sudsing can be referred to as "washing”, includes cleaning the laundry item with the detergent composition of the invention.
- the detergent composition of the invention can herein be referred to as “cleaning composition”. Sudsing can follow flushing.
- sudsing and other cleaning processes follow contacting with the penetrant composition.
- contacting with the penetrant composition can occur during the sudsing cycle, but before addition of the cleaning composition.
- sudsing includes contacting a penetrant-treated laundry item with a cleaning composition.
- Draining includes removing a cleaning, flushing, or other composition from the laundry item, for example, by gravity and/or centrifugal force. Draining can follow sudsing. Draining can occur between repeats of flushing.
- Extracting can include removing a rinse composition from the laundry item, typically with centrifugal force. Extracting can follow one or more rinsing cycles.
- the laundry item can be processed in a laundry washing machine like a washer extractor or a tunnel washer.
- a washer extractor that can be used includes a drum having an interior for holding laundry, a motor constructed and arranged for rotating the drum, a water inlet for introducing water into the drum interior, a chemical inlet for introducing chemicals into the drum interior, a drain for allowing fluid to drain from the drum interior, and a processing unit constructed for operating the washer extractor.
- Each compartment can be connected to a dosing unit that allows the addition of one or more detergent components.
- the first component and the second component, as well as other chemicals for the treatment of the laundry can be added independently into various compartments of the tunnel washer.
- the method for treating laundry can be provided for a commercial and/or industrial laundry washing apparatus and can be provided in a residential and/or home laundry washing machine.
- a tunnel washer also called a continuous batch washer, is an industrial laundry machine designed specifically to handle heavy loads.
- Exemplary commercial and/or industrial laundry washing facilities include those cleaning textiles for the rental, health care, and hospitality industries.
- the method for treating laundry can occur as part of an operation the steps of washing, rinsing, finishing, and extracting.
- the step of treating laundry can include, as part of the step, additional activities such as, for example, washing and finishing.
- Many commercial and industrial laundry washing machines are computer programmable, and computer programs can be provided to operate the machines according to the invention.
- machines can be made available to treat laundry according to the invention, and that these machines can be used in both industrial and commercial applications and in home and residential applications.
- the detergent composition of the invention can be formulated so that it can be used in commercial and industrial laundry washing machines and residential laundry washing machines that are in common use, that are not computer programmable, and without modification. That is, it is expected that conventional laundry washing machines can be used to treat laundry according to the invention.
- the length of time sufficient to provide a desired level of cleaning of the detergent composition of the invention often depends on the laundry washing machine that is being used. In general, it is expected that sufficient cleaning can occur at a time of > 1 minute and ⁇ 60 minutes, at a time of t > 5 minutes and ⁇ 40 minutes, and a time of > 10 minutes and ⁇ 30 minutes. Of course, the amount of time often depends on the temperature of the cleaning process.
- the temperature of the cleaning can be provided at > 20 °C to ⁇ 60 °C, preferably at > 30 °C to ⁇ 40 °C.
- the IEC-reference detergent type A* and PVP (Sokalan HP 56K) were supplied by wfk Testgewebe GmbH.
- the two-component color detergent composition according to the invention B had the following ingredients: ingredient component wt.-% modified sodium aluminiumsilicate 1 21 sodium hydroxide 1 0.18 complexing agent 1 0.35 builder 1 2.34 alcohol, C13-15, branched and linear, ethoxylated 1 6.9 sodium sulphate 1 50.46 alcohol, C13-15, branched and linear, ethoxylated 1 1.7 starch/sizing agent 1 0.02 foam inhibitor 1 0.18 sodium carbonate peroxyhydrate 2 4.23 tetraacetylethylenediamine 2 2.5 enzyme 2 0.3 sulfuric acid, mono-C12-18 alkylester, sodium salt 2 4.32 perfume 2 0.05 alkylpolyethylenglycolether 1 0.62 water - ad 100 total: 100,0
- the washing trials were carried out in three washing machines Miele Novotronic W 527 under the following conditions: product efficient at wash program test product wash program reference product water inlet temperature test product water Inlet temperature reference product heaters machine test product disconnected CSD powder 30 °C 30 °C normal cotton program, 1200 rpm 30 °C normal cotton program, 1200 rpm (20 +/-2) °C (20 +/-2) °C no
- the trials were carried out at a water-hardness of (2.5 +/- 0.2) mmol/L (i.e. 14 +/-0.5 °dH).
- the total load was (4.5 +/- 0.1) kg.
- the composition of the load during the 15 wash cycles is given in the Table 1.
- Table 1 Composition of the load during 15 wash cycles wash cycle no. textile items test criteria
- Table 1 C omposition of the load during 15 wash cycles wash cycle no.
- the swatches are washed in a single wash cycle (single wash assessment). After each wash cycle the stains are ironed two times (adjustment: 2 points without steam) at a Miele Professional HM16-83 household mangle.
- the washes are done in a suitable laundering device (e.g. Lini-Test equipment).
- the Laundering device is described in EN ISO 105-C06:1997 " Textiles. Tests for color fastness. Colour fastness to domestic and commercial laundering " .
- a water Bath containing a routable shaft which supports, radially stainless steel containers (diameter 7.5 ⁇ 0.5 cm, height 12.0 ⁇ 0.5 cm) with 525 ⁇ 50 ml capacity each), the bottom of the containers being 4.5 ⁇ 1 cm from the centre of the shaft.
- the shaft/container assembly is rotated at a frequency of 40 ⁇ 2rpm.
- the temperature of the water bath is thermostatically controlled to maintain the test solution at the prescribed temperature ⁇ 2°C.
- the same liquor concentration and water hardness is used as in the washing machine.
- the product in test (amount for 1 l) is dispersed in 1 l of lukewarm water using a magnetic stirrer and then rapidly heated until the liquor
- Dye donator 0.3 g
- dye acceptor cotton and polyamide
- Both textiles are not fixed to each other.
- the volume to give the correct liquor: fabric ratio 100:1 is added and the containers are placed in the preheated (40°C) machine. Temperature raises 2°C up to 60°C and the wash is continued for 20 minutes at this temperature.
- colour differences DE between the standard cotton or polyamide piece washed without and with dye donator is determined. Measurements are taken at two defined areas of the dye acceptor using an appropriate device (e.g. datacolor). The instrumental assessments on colour fastness are done according to ISO 105-A04. They are based on ISO 105-A03 (Grey scale for assessing staining). The measurements for all products to be compared are performed using one common calibration and the same conditions.
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Description
- The present patent application relates to a two-component color detergent composition for use at low temperature comprising or consisting of a first component comprising (a) > 0 wt.-% to < 15 wt.-% of at least one non-ionic surfactant, and a second component comprising (b) > 0 wt.-% to < 10 wt.-% of at least one percarbonate, (c) > 0 wt.-% to < 5 wt.-% of tetraacetylethylenediamine (TAED), calculated on the total weight amount of the detergent composition. The present application further relates to a method for preparing such two-component color detergent composition and to the use of such two-component color detergent composition for cleaning laundry items, in particular colored laundry items, preferably at a temperature of 60 °C or less, more preferably at a temperature of 40 °C or less, most preferably at a temperature of 30 °C or less.
- Removing stains or soils, particularly hydrophobic soils, typically requires machine washing of laundry items at temperatures above 60° C, sometimes even at 95° C, so-called "boiling washes". Under these conditions, most stains or soils are removed without any problem. On the other hand, most washed materials do not support the conditions of a boiling wash. On the contrary, there is an increasing trend towards so-called low maintenance and functional laundry items, which can only be washed at washing temperatures of 30° C or 40° C at the most. At these temperatures, an efficient removal of stains or soils is not always satisfactorily guaranteed.
- Further, when washing colored laundry items it can often be observed that dyestuffs are dissolved from one laundry item and redeposited on another laundry item, redeposition taking place in particular during the spin cycle ("running of the colors").
-
WO 2012/045364 relates to a low temperature detergent composition of a first component for cleaning and disinfecting comprising: (a) about > 2 wt.-% to about < 50 wt.-% of a non-ionic low alkoxylated alcohol tenside containing 1 to 2 alkylene oxide units; (b) about > 0 wt. -% to about < 60 wt.-% of non-ionic higher alkoxylated alcohol tenside containing 3 to 40 alkylene oxide units; (c) about > 1 wt.-% to about < 60 wt.-% of a source of alkalinity; (d) about > 0 wt.-% to about < 95 wt.-% of at least one solvent; calculated on the total weight amount of the detergent composition of the first component. Further disclosed is a low temperature detergent composition for cleaning and disinfecting of a first component composition and a second component composition containing at least one bleaching agent. - Accordingly, there exists a requirement for a washing agent which, when used even at low temperature wash cycles, leads to a sufficient removing of stains and/or soils and exhibits a significant reduction in color transfer of the laundry, neither damages the laundry item material nor the color of the treated laundry item.
- Accordingly, it is a main object of the present application to provide a laundry detergent composition which, when used even at low temperature wash cycles, leads to a sufficient removing of stains and/or soils and exhibits a significant reduction in color transfer of the laundry, neither damages the laundry item material nor the color of the treated laundry item.
- This object is solved by two-component color detergent composition for use at low temperature comprising or consisting of a first component comprising (a) > 0 wt.-% to < 15 wt.-% of at least one non-ionic surfactant, wherein the at least one non-ionic surfactant is a higher alkoxylated alcohol surfactant containing 3 to 40 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof or wherein the at least one non-ionic surfactant is a low alkoxylated alcohol surfactant containing 1 to 2 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof, and a second component comprising (b) > 0 wt.-% to < 10 wt.-% of at least one percarbonate, and (c) > 0 wt.-% to < 5 wt.-% of tetraacetylethylenediamine (TAED), calculated on the total weight amount of the detergent composition, wherein the composition is free of phosphates and alkylbenzenesulfonates.
- The weight percent (wt.-%) is calculated on the total weight amount of the final detergent composition comprising or consisting of both a first and a second component. Further, the total weight amount of all components is selected such that it does not exceed 100 wt.-%. The ratio of components is parts by weight, if not otherwise stated.
- The two-component color detergent composition of the invention improves cleaning, in particular at temperatures below 60 °C, and prevents color transfer of the laundry.
- Preferably, the two-component color detergent composition is in the form of a powder or granulate. This facilitates the addition of the detergent composition of the invention into the washing machine.
- Another object of the present invention is to provide a method for preparing a color detergent composition, which improves cleaning, in particular at temperatures below 60 °C, and prevents color transfer of the laundry.
- The method for preparing a two-component color detergent composition according to the present application comprises the steps of
- preparing a first component,
- preparing a second component,
- combining the first and second component to obtain a two-component color detergent composition,
- optionally granulating the two-component color detergent composition.
- Also disclosed is a method for removing stain or soil from a laundry item, in particular a colored laundry item, even at low washing temperatures, as well as significantly reducing the color transfer from one laundry item to another.
- Another object of the present invention is the use of the two-component color detergent composition as defined above for cleaning laundry items, preferably colored laundry items. It is preferred that the cleaning is carried out at a temperature of 60 °C or less, more preferably at a temperature of 40 °C or less, most preferably at a temperature of 30 °C or less.
- As used herein, the phrase "low temperature" refers to a temperature of 60° C or less, preferably of 40 °C or less, more preferably of 30 °C or less. As used herein, the phrase "laundry item" or "washing" refers to an item made from or including textiles, woven fabrics, non-woven fabrics, or knitted fabrics. The laundry item can include natural or synthetic fibers such as silk fibers, linen fibers, cotton fibers, polyester fibers, polyamide fibers such as nylon, acrylic fibers, acetate fibers, and blends thereof including cotton and polyester blends. The fibers can be pretreated or untreated. Exemplary treated fibers include those treated for flame retardancy.
- It should be understood that the term "linen" is often used to describe certain types of laundry items including bed sheets, pillow cases, towels, table linen, table cloth, bar mops and uniforms.
- The first component of the detergent composition of the invention may comprise additional ingredients such at least one builder and/or at least one complexing agent and/or at least one antifoaming agent and/or at least one pH-adjusting agent.
- Also, the second component of the detergent composition of the invention may comprise additional ingredients such as at least one enzyme and/or at least one anionic surfactant and/or at least one copolymer of 1-vinylimidazole and 1-vinyl-2-pyrrolidone.
- It should be understood that the addition of anionic surfactants is optional, thus the two-component color detergent composition of the invention can be free of anionic surfactants.
- In order to optimize the reduction of color transfer from one laundry item to another, the ratio of (b) at least one percarbonate to (c) tetraacetylethylenediamine (TAED) can be in the range of 4 : 1 to 1 : 1, preferably in the range of 3 : 1 to 1 : 1, more preferably in the range of 2 : 1 to 1 : 1, most preferably in the range of 1.8 : 1 to 1.6 : 1. The ratio of the components (b) and (c) are selected such that the total weight of the detergent composition comprising or consisting of a first component and a second component does not exceed 100 wt.-%.
- The cleaning properties of the two-component color detergent composition for use at low temperature are predominantly determined by the at least one non-ionic surfactant. The non-ionic alkoxylated alcohol surfactants provide for enhancing the cleaning properties of the detergent composition. The non-ionic alkoxylated alcohol surfactants can be used to reduce surface tension, to wet the soil particulate in order to allow penetration of the detergent composition and to separate the soil from the laundry item washed with it.
- According to the present invention, it may be preferred that the at least one non-ionic surfactant is a low alkoxylated alcohol surfactant containing 1 to 2 ethylene oxide groups and at least one linear or branched primary alcohol containing 8 to 18 carbon atoms.
- However, it may also be preferred that the least one non-ionic surfactant is a higher alkoxylated alcohol surfactant containing 3 to 40 ethylene oxide groups and at least one linear or branched primary alcohol containing 8 to 18 carbon atoms.
- Non-ionic low alkoxylated alcohol surfactants in the detergent composition according to the invention are alkoxylated alcohols containing 1 to 2 ethylene oxide groups (1-2 EO), preferably 2 ethylene oxide (2 EO) groups, or mixtures thereof. Low ethoxylated alcohols used in the detergent composition according to the invention are linear and/or branched primary alcohols containing 8 to 18 carbon atoms, preferably containing 1 to 2 ethylene oxide groups (1-2 EO), most preferred containing 2 ethylene oxide groups (2 EO), or mixtures thereof.
- Particularly preferred low ethoxylated alcohols of the detergent composition according to the invention are, however, alcohol ethoxylates from linear alcohols of natural origin with 12 to 18 carbon atoms, e.g. from coco-, palm-, tallow- or oleyl alcohol, containing 1 to 2 ethylene oxide groups (1-2 EO), most preferred containing 2 ethylene oxide groups (2EO), or mixtures thereof. However, most preferred is isotridecyl alcohol containing 1 to 2 ethylene oxide groups (1-2 EO), most preferred containing 2 ethylene oxide groups (2EO), or mixtures thereof.
- The degrees of ethoxylation from 1 EO to 2 EO, most preferred 2 EO, mentioned above are statistical mean values, which for a special product may be either a whole number or a fractional number. Preferred lower ethoxylated alcohols have a narrow homologues distribution (narrow range ethoxylates, NRE).
- The non-ionic low alkoxylated alcohol surfactant containing 1 to 2 alkylene oxide units can be provided in the first component of the detergent composition in an amount of > 1 wt.-%, preferred >2 wt.-%, in addition preferred >3 wt.-% to <15 wt.-%, more preferred >4 wt.-% to <10 wt.-% and most preferred >5 wt.-% to <8 wt.-% based on the total weight of the detergent composition. According to the invention, the first component comprises > 0 wt.-% to < 15 wt.-% of at least one non-ionic surfactant, wherein the at least one non-ionic surfactant is a higher alkoxylated alcohol surfactant containing 3 to 40 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof or wherein the at least one non-ionic surfactant is a low alkoxylated alcohol surfactant containing 1 to 2 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof.
- Non-ionic higher alkoxylated alcohol surfactants in the detergent composition according to the invention are alkoxylated alcohols containing 3 to 40 ethylene oxide groups (5-40 EO), preferably 6 to 30 ethylene oxide groups (6-30 EO), further preferred 7 to 20 ethylene oxide groups (7-20 EO), more preferred 8 to 10 ethylene oxide groups (8-10 EO), and most preferred 8 ethylene oxide (8 EO) groups, or mixtures thereof.
- Higher ethoxylated alcohols used in the detergent composition according to the invention are linear and/or branched alcohols containing 8 to 18 carbon atoms and 3 to 40 ethylene oxide groups (3-40 EO), preferably 6 to 30 ethylene oxide groups (6-30 EO), further preferred 7 to 20 ethylene oxide groups (7-20 EO), more preferred 8 to 10 ethylene oxide groups (8-10 EO), and most preferred 8 ethylene oxide groups (8EO), or mixtures thereof.
- Particularly preferred higher ethoxylated alcohols of the detergent composition according to the invention are, however, alcohol ethoxylates from linear or branched alcohols of natural origin with 12 to 18 carbon atoms, e.g. from coco-, palm-, tallow- or oleyl alcohol, containing 3 to 40 ethylene oxide groups (3-40 EO), preferably 6 to 30 ethylene oxide groups (6-30 EO), further preferred 7 to 20 ethylene oxide groups (7-20 EO), more preferred 8 to 10 ethylene oxide groups (8-10 EO), and most preferred 8 ethylene oxide groups (8 EO), or mixtures thereof.
- However, most preferred is isotridecyl alcohol containing 6 EO to 14 EO, preferably 7 EO to 10 EO, and most preferred 8 EO, or mixtures thereof.
- The degrees of ethoxylation from 3 EO to 40 EO, preferably 6 EO to 30 EO, further preferred 7 EO to 20 EO, more preferred 8 EO to 10 EO and most preferred 8 EO ethoxylation mentioned, are statistical mean values, which for a special product may be either a whole number or a fractional number. Preferred higher ethoxylated alcohols have a narrow homologues distribution (narrow range ethoxylates, NRE).
- The non-ionic higher alkoxylated alcohol surfactant containing 3 to 40 alkylene oxide units can be provided in the first component of the detergent composition in an amount of > 0 wt.-%, preferably >1 wt.-%, further preferred >3 wt.-%, also preferred >5 wt.-%, furthermore preferred >7 wt.-%, in addition preferred >9 wt.- %, and more preferred >11 wt.-% based on the total weight of the detergent composition. According to the invention, the first component comprises > 0 wt.-% to < 15 wt.-% of at least one non-ionic surfactant, wherein the at least one non-ionic surfactant is a higher alkoxylated alcohol surfactant containing 3 to 40 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof or wherein the at least one non-ionic surfactant is a low alkoxylated alcohol surfactant containing 1 to 2 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof.
- The two-component color detergent composition of the invention may include additional ingredients or forms of ingredients found in laundry detergents such as the following:
- The additional surfactant component provides for enhancing the cleaning properties of the detergent composition. The surfactant component can be used to reduce surface tension and wet the soil particulate to allow penetration of the use solution and separation of the soil. The surfactant component can include anionic surfactants, non-ionic surfactants other than the non-ionic lower alkoxylated alcohol surfactants and the non-ionic higher alkoxylated alcohol surfactants mentioned above, amphoteric surfactants and mixtures thereof.
- Exemplary non-ionic surfactants that can be used in the detergent composition according to the invention are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated, fatty acid alkyl esters, preferably containing 1 to 4 carbon atoms in the alkyl chain. Particularly preferred are the fatty acid methyl esters.
- Further surfactants include ethoxylated long chain fatty acid amides wherein the fatty acid has 8-20 carbon atoms and the amide group is ethoxylated with 1-20 ethylene oxide units.
- A further class of non-ionic surfactants, which can be used as ingredients of the detergent composition according to the invention, is that of alkyl polyglycosides (APG). Suitable alkyl polyglycosides satisfy the general Formula RO(G)z where R is a linear or branched, saturated or unsaturated aliphatic radical containing 8 to 22 carbon atoms, preferably containing 12 to 18 carbon atoms, and G represents a glycose unit containing 5 or 6 carbon atoms. The degree of oligomerization z is a whole or fractional number between 1.0 and 4.0 and preferably is between 1.1 and 1.4.
- Silicone containing non-ionic surfactants, such as the commercially available ABIL B8852® or Silwet 7602®, can also be used. An exemplary silicone-containing surfactant is silicone polybutane.
- Examples of amine oxide surfactants include: dimethyldodecylamine oxide, dimethyltetradecylamine oxide; ethylmethyltetradecylamine oxide, cetyldimethylamine oxide, dimethylstearylamine oxide, cetylethylpropylamine oxide, diethyldodecylamine oxide, diethyltetradecylamine oxide, dipropyldodecylamine oxide, lauryl dimethyl amine oxide, bis-(2-hydroxyethyl)dodecylamine oxide, bis-(2-hydroxyethyl)-3-dodecoxy-1-hydroxypropylamine oxide, (2-hydroxypropyl)methyltetradecylamine oxide, dimethyloleyamine oxide, dimethyl-(2-hydroxydodecyl)amine oxide, and the corresponding decyl, hexadecyl and octadecyl homologues of the above compounds.
- Additional nitrogen-containing surfactants include ethoxylated primary alkyl amines where the alkyl group has 10-20 carbon atoms and the amine is ethoxylated with 2-20 ethylene oxide units.
- Additionally, nonionic surfactants derived from the condensation of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylene diamine are also useful. For example, there are compounds containing from 40% to 80% of polyoxyethylene by weight and having a molecular weight from 5,000 to 11,000 resulting from the reaction of ethylene oxide groups with a hydrophobic base constituted of the reaction product from ethylene diamine and excess propylene oxide, wherein the base has a molecular weight of 2,500 to 3,000.
- Suitable non-ionic surfactants include the polyoxyethylene-polyoxypropylene condensates, which are sold by BASF under the trade name Pluronic®, polyoxy ethylene condensates of aliphatic alcohols/ethylene oxide condensates having from 1 to 30 moles of ethylene oxide per mole of coconut alcohol; ethoxylated long chain alcohols sold by Shell Chemical Co. under the trade name Neodol®, polyoxyethylene condensates of sorbitan fatty acids, alkanolamides, such as the monoalkoanolamides, dialkanolamides and the ethoxylated alkanolamides, for example coconut monoethanolamide, lauric isopropanolamide and lauric diethanolamide, and amine oxides, for example dodecyldimethylamine oxide.
- Further exemplary non-ionic surfactants include alkylphenol alkoxylates and amine oxides such as alkyl dimethylamine oxide or bis (2-hydroxyethyl)alkylamine oxide.
- The additional non-ionic surfactants can be provided in the first component of the detergent composition according to the invention in an amount of > 0 wt.-%, preferably > 1 wt.-%, further preferred > 5 wt.-%, and more preferred >10 wt.-% to <15 wt.-%, based on the total weight of the detergent composition. According to the invention, the first component comprises > 0 wt.-% to < 15 wt.-% of at least one non-ionic surfactant.
- The first component of the detergent composition according to the invention is preferably free of anionic surfactants.
- According to the disclosure, exemplary anionic surfactants that can be used include organic carboxylates, organic sulfonates, organic sulfates, in particular alkylarylcarboxylates.
- It is preferred that the detergent composition according to the invention is free of phosphonates and/or anionic surfactants. According to the invention, the composition is free of phosphates and alkylbenzenesulfonates.
- The anionic surfactants can be provided in the second component of the detergent composition in an amount of > 0 wt.-% to < 30 wt.-%, preferably > 1 wt.-% to < 25 wt.-%, further preferred > 5 wt.-% to < 20 wt.-%, and more preferred >10 wt.-% to <15 wt.- %, based on the total weight of the detergent composition.
- The presence of the non-ionic surfactants enables the use of low levels of higher foaming cationic surfactants, while keeping the foaming at an acceptable level. In an aspect of the invention, the detergent compositions also comprises a cationic surfactant or an amphoteric surfactant, wherein the cationic or amphoteric surfactant is present in a concentration of > 1 wt.-% to < 20 wt.-%, preferably > 2 wt.-% to < 15 wt.-% and more preferably > 3 wt.-% to < 12% wt.-%>, based on the total weight of the detergent composition. Most preferred the first component of the detergent composition according to the invention is free of cationic surfactants.
- Suitable cationic surfactants include quaternary ammonium compounds having the formula of RR'R"R'''N+X+, where R, R', R" and R'" independently from another represent a C1-C24 alkyl, aryl or arylalkyl group that can optionally contain one or more P, O, S or N heteroatoms, and X is F, Cl, Br, I or an alkyl sulfate. Additional preferred cationic surfactants include ethoxylated and/or propoxylated alkyl amines, diamines, or triamines.
- Each of R, R', R" and R'" can independently include, individually or in combination, substituents including 6 to 24 carbon atoms, preferably 14 to 24 carbon atoms, and more preferably 16 to 24 carbon atoms. Each of R, R', R" and R'" can independently be linear, cyclic, branched, saturated, or unsaturated. Any two of R, R', R" and R'" can form a cyclic group. Any one to three of R, R, R" and R'" can independently be hydrogen. X is a counter ion and preferably is a non-fluoride counter ion, more preferably selected form chloride, bromide, methosulfate, ethosulfate, sulfate, and phosphate.
- In an aspect, the quaternary ammonium compound includes alkyl ethoxylated and/or propoxylated quaternary ammonium salts (or amines).
- In these alkyl ethoxylated and/or propoxylated quaternary ammonium salts (or amines), the alkyl group preferably contains between 6 and 22 carbon atoms and can be saturated and/or unsaturated. The degree of ethoxylation is preferably between 2 and 20, and/or the degree of propoxylation is preferably between 0 and 30. In an aspect, the quaternary ammonium compound includes an alkyl group with 6 to 22 carbon atoms and a degree of ethoxylation between 2 and 20. A preferred cationic surfactant is commercially available under the name Berol 563® from Akzo-Nobel.
- Examples of suitable amphoteric surfactants that can be contained in the detergent composition according to the invention include capryloamphopropionate, disodium lauryl B-iminodipropionate, cocoamphocarboxypropionate and disodium octylimino dipropionate.
- The amphoteric surfactants can be provided in the composition in an amount of > 0 wt.-% to < 30 wt.-%, preferably > 1 wt.-% to < 25 wt.-%, further preferred > 5 wt.-% to < 20 wt.-%, and more preferred >10 wt.-% to <15 wt.-%, based on the total weight of the detergent composition.
- The detergent composition according to the invention is preferably free of amphoteric surfactants.
- The detergent composition may further comprises at least one source of alkalinity. The at least one source of alkalinity can be any source of alkalinity that is compatible with the other components of the detergent composition. Exemplary sources of alkalinity include alkali metal hydroxides, alkali metal salts, phosphates, amines, and mixtures thereof.
- The detergent composition according to the invention can be adjusted by adding the at least one source of alkalinity so that a pH-value of > 8 and < 10, preferably of > 8.2 and < 9.8, more preferably of > 8.3 and < 9.7, even more preferably of > 8.4 and < 9.6, further preferred of > 8.6 and < 9.5, most preferred of > 8.8 and < 9.3 is achieved.
- Exemplary alkali metal hydroxides include sodium hydroxide, potassium hydroxide, and lithium hydroxide. However, most preferred is sodium hydroxide.
- Exemplary alkali metal salts include sodium carbonate, lithium carbonate, potassium carbonate, and mixtures thereof.
- Exemplary phosphates include sodium pyrophosphate, potassium pyrophosphate, and mixtures thereof.
- Exemplary amines include alkanolamines, preferably selected from the group consisting of triethanolamine, monoethanolamine, diethanolamine, and mixtures thereof.
- The source of alkalinity, preferably an alkali metal hydroxide, may be added to the composition in a variety of forms, including for example in the form of solid beads or dissolved in an aqueous solution.
- The detergent composition of the present invention can comprise zeolites. The amount of zeolites can be > 2 wt.-% to < 40 wt.-%, preferably > 10 wt.-% to < 35 wt.-%, further preferred > 15 wt.-% to < 30 wt.-%, and more preferred > 20 wt.-% to < 25 wt.-%, based on the total weight of the detergent composition.
- Zeolite A and/or P are preferred. A particularly preferred zeolite P is zeolite MAP®(a commercial product of Crosfield). However, zeolites X as well as mixtures of A, X and/or P are also suitable. Commercially available and preferred in the context of the present invention is, for example, a co-crystallizate of zeolite X and zeolite A (ca. 80 wt. % zeolite X), which is marketed under the name of VEGOBOND AX® by Condea Augusta S.p.A.
- Suitable zeolites have a mean particle size of less than 10 µm(volume distribution, as measured by the Coulter Counter Method) and preferably comprise >18% to <22% by weight of bound water.
- However, it is preferred that the detergent composition according to the invention is free of zeolites.
- The detergent composition according to the invention may comprises a corrosion inhibitor selected from the group consisting of silicate, calcium acetate, calcium chloride, calcium gluconate, calcium phosphate, calcium borate, calcium carbonate, calcium citrate, calcium lactate, calcium sulfate, calcium tartrate, benzotriazole, 1,2,3-benzotriazole and mixtures thereof. Exemplary silicates include sodium metasilicates, sesquisilicates, orthosilicates, potassium silicates, and mixtures thereof. However, most preferred is sodium silicate. The amount of corrosion inhibitor, when present, is > 1 wt.-% to < 20 wt.-%, preferably > 2 wt.-% to < 18 wt.-%, further preferred > 4 wt.-% to < 15 wt.-%, and more preferred > 6 wt.-% to < 10 wt.-%, based on the total weight of the detergent composition.
- However, it is preferred that the detergent composition according to the invention is free of corrosion inhibitors.
- Additional corrosion inhibitors which may optionally be added to the composition of this invention include metal salts of magnesium and/or zinc. Preferably, the metal ions are provided in water-soluble form. Examples of useful water-soluble forms of magnesium and zinc ions are the chlorides, nitrates and sulfates of the respective metals.
- In order to maintain the dispersibility of the magnesium and/or zinc metal corrosion inhibitors in the presence of agents which would otherwise cause precipitation of the zinc or magnesium ions, e. g. , carbonates, phosphates, etc. , it might be advantageous to include a carboxylated polymer to the detergent composition.
- Useful carboxylated polymers may generically be categorized as water-soluble carboxylic acid polymers such as polyacrylic and polymethacrylic acids or vinyl addition polymers.
- Of the vinyl addition polymers contemplated, maleic anhydride copolymers with vinyl acetate, styrene, ethylene, isobutylene, acrylic acid and vinyl ethers are useful examples.
- The molecular weight of these polymers may vary over a broad range although it is preferred to use polymers having an average molecular weight from 1,000 up to 1,000, 000, more preferably from 1,000 up to 100,000, most preferably from 1,000 up to 10,000.
- It should be understood that a hydrotrope component is optional in the detergent composition according to the invention and can be omitted if it is not needed for stabilizing the surfactant component. Thus, the detergent according to the invention is preferably free of a hydrotrope component. However, a hydrotrope component can be used to stabilize the surfactant(s).
- Examples of suitable hydrotropes include the sodium, potassium, ammonium and alkanol ammonium salts of xylene, toluene, ethylbenzoate, isopropylbenzene, naphthalene, alkyl naphthalene sulfonates, phosphate esters of alkoxylated alkyl phenols, phosphate esters of alkoxylated alcohols, short chain (C1 to C8) alkyl polyglycosides, sodium, potassium and ammonium salts of the alkyl sarcosinates, salts of cumene sulfonates, amino propionates, diphenyl oxides, and disulfonates.
- The hydrotropes are useful in maintaining the organic materials including the surfactant(s) readily dispersed in the aqueous cleaning solution.
- The hydrotrope component can be provided in combination with the corrosion inhibitor in an amount sufficient to stabilize the surfactant component. When a hydrotrope component is used, it can be provided in an amount of > 1 wt.-% to < 20 wt.-%, preferably > 2 wt.-% to < 15 wt.-%, further preferred > 4 wt.-% to < 10 wt.-%, and more preferred > 6 wt.-% to < 8 wt.-%, based on the weight of the corrosion inhibitor of the detergent composition according to the present invention.
- The detergent composition according to the invention is preferably free of chelant component. However, the detergent composition of the invention can comprise a chelant that exhibits soil removal properties when used at alkaline conditions. The chelant component is provided for tying up metals in the soil to assist in cleaning and detergency. The chelant component can be provided in the composition in an amount of > 1 wt.-% to < 30 wt.-%, preferably > 2 wt.-% to < 20 wt.-%, further preferred > 4 wt.-% to < 10 wt.-%, and more preferred > 6 wt.-% to < 8 wt.-%, based on the total weight of the composition. It should be understood that the chelant component can include mixtures of different chelants.
- Exemplary chelants that can be used according to the invention include phosphonates, sodium gluconate, pentasodium salt of diethylenetriamine pentaacetic acid (available under the name Versenex 80®), sodium glucoheptonate, ethylene diamine tetraacetic acid (EDTA), salts of ethylene diamine tetraacetic acid, hydroxyethyl ethylene diamine triacetic acid (HEDTA), salts of hydroxyethyl ethylene diamine triacetic acid, nitrilotriacetic acid (NTA), salts of nitrilotriacetic acid, diethanolglycine sodium salt (DEG), ethanoldiglycine disodium salt (EDG), tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate (GLDA), and mixtures thereof. Exemplary salts of ethylene diamine tetraacetic acid include disodium salts, tetrasodium salts, diammonium salts, and trisodium salts. An exemplary salt of hydroxyethyl ethylene diamine triacetic acid is the trisodium salt. Suitable hydroxymonocarboxylic acid compounds include, but are not limited to, citric acid; propionic acid; gluconic acid; glycolic acid; glucoheptanoic acid; succinic acid; lactic acid; methyllactic acid; 2-hydroxybutanoic acid; mandelic acid; atrolactic acid; phenyllactic acid; glyeric acid; 2,3,4-trihydroxybutanoic acid; alpha hydroxylauric acid; benzillic acid; isocitric acid; citramalic acid; agaricic acid; quinic acid; uronic acids, including glucuronic acid, glucuronolactonic acid, galaturonic acid, and galacturonolactonic acid; hydroxypyruvic acid; ascorbic acid; and tropic acid. Preferred hydroxymonocarboxylic acid compounds include citric acid; propionic acid; gluconic acid; glycolic acid; glucoheptanoic acid; and succinic acid. Suitable hydroxydicarboxylic acid compounds include, but are not limited to, tartronic acid ; malic acid; tartaric acid; arabiraric acid; ribaric acid; xylaric acid; lyxaric acid; glucaric acid; galactaric acid; mannaric acid; gularic acid; allaric acid; altraric acid; idaric acid; and talaric acid. Preferred hydroxydicarboxylic acid compounds include tartaric acid as well as ethylene diamine tetraacetic acid.
- The detergent composition according to the invention may comprise foam inhibitors. Suitable non-surface-active foam inhibitors are, for example, organopolysiloxanes and mixtures thereof with microfine, optionally silanised silica and also paraffins, waxes, micro crystalline waxes and mixtures thereof with silanised silica or bis-fatty acid alkylenediamides such as bis-stearyl ethylenediamide. The amount of foam inhibitors can be > 1 wt.-% to < 10 wt.-%, preferably > 2 wt.-% to < 9 wt.-%, further preferred > 3 wt.-% to < 6 wt.-%, and more preferred > 4 wt.-% to < 5 wt.-%, based on the total weight of the detergent composition.
- Mixtures of various foam inhibitors, for example mixtures of silicones, paraffins or waxes, may also be used.
- The detergent composition according to the invention may comprise dispersion agents. A dispersion agent can be provided in the composition in an amount of > 1 wt.-% to < 20 wt.- %, preferably > 2 wt.-% to < 15 wt.-%, further preferred > 4 wt.-% to < 10 wt.-%, and more preferred > 6 wt.-% to < 8 wt.-%, based on the total weight of the detergent composition. It should be understood that the dispersion agent can include mixtures of different dispersion agent.
- Suitable dispersion agents are polycarboxylic acids, particularly malic acid, tartaric acid, citric acid and sugar acids, monomeric and polymeric aminopolycarboxylic acids, particularly methylglycinediacetic acid, nitrilotriacetic acid and ethylenediaminetetraacetic acid as well as polyaspartic acid, polyphosphonic acids, particularly aminotris(methylene-phosphonic acid), ethylenediaminetetrakis(methylenephosphonic acid), hydroxyethylidene diposphoric acid and 1-hydroxyethane-1,1-diphosphonic acid, polymeric hydroxyl compounds such as dextrin as well as (poly)-carboxylic acids, particularly those polycarboxylates obtained from the oxidation of polysaccharides or dextrins, polymeric acrylic acids, methacrylic acids, maleic acids and mixed polymers thereof, which can comprise small amounts of copolymerized polymerizable substances exempt from carboxylic acid functionality.
- The average molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5,000 and 200,000 and that of the copolymers between 2,000 and 200,000, preferably 50,000 to 120,000, each based on the free acid. Particularly preferred is an acrylic acid-maleic acid copolymer having an average molecular weight of 50,000 to 100,000.
- Suitable, yet less preferred dispersion agents of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene, in which the content of the acid is at least 50 wt. %. Terpolymers, which comprise two unsaturated acids and/or their salts as monomers as well as vinyl alcohol and/or an esterified vinyl alcohol or a carbohydrate, can also be used as water-soluble organic builders.
- The first acid monomer or its salt is derived from a monoethylenically unsaturated C3- C8-carboxylic acid and preferably from a C3-C4-monocarboxylic acid, particularly from (meth)acrylic acid.
- The second monomer or its salt can be a derivative of a C4-C8-dicarboxylic acid, maleic acid being particularly preferred, and/or a derivative of an allyl sulfonic acid, which is substituted in the 2-position with an alkyl or aryl radical. These types of polymers generally have an average molecular weight between 1000 and 200,000.
- Further preferred copolymers are those, which have acrolein and acrylic acid/acrylic acid salts or vinyl acetate as monomers. Polyaspartic acids are particularly preferred.
- The detergent composition according to the invention is preferably free of other additives. However, other additives may be included in the composition according to the present invention if considered necessary.
- Exemplary additional agents include anti-redeposition agents, optical brighteners, sequestrates, builders, water conditioning agents, oil and water repellant agents, color fastness agents, starch/sizing agents, fabric softening agents, souring agents, iron controlling agents, antimicrobials, fungicides, UV absorbers and/or fragrances, and the like.
- The detergent composition according to the invention may also comprises an enzyme material. The enzyme material can be selected from proteases, amylases, lipases, cellulases, peroxidases, and mixtures thereof. The enzyme material can be present in said composition in a concentration of from 0.001 wt.-% to 3 wt.-%, based on the total weight of the detergent composition.
- Various dyes, odorants including perfumes, and other aesthetic enhancing agents may also be included in the composition. Dyes may be included to alter the appearance of the composition, as for example, Direct Blue 86® (Miles), Fastusol Blue® (Mobay Chemical Corp.), Acid Orange 7® (American Cyanamid), Basic Violet 10® (Sandoz), Acid Yellow 23® (GAF), Acid Yellow 17® (Sigma Chemical), Sap Green® (Keyston Analine and Chemical), Metanil Yellow® (Keystone Analine and Chemical), Acid Blue 9® (Hilton Davis), Sandolan Blue/ Acid Blue 182® (Sandoz), Hisol Fast Red® (Capitol Color and Chemical), Fluorescein® (Capitol Color and Chemical), Acid Green 25® (Ciba-Geigy), and the like.
- Fragrances or perfumes that may be included in the compositions include, for example, terpenoids such as citronellol, aldehydes such as amyl cinnamaldehyde, a jasmine such as CIS-jasmine or jasmal, vanillin, and the like.
- For laundry cleaning or sanitizing compositions, preferred dyes and odorants include one or more blue dyes, which can be employed at concentrations up to 1 wt-%.
- Anti-redeposition agents can be used to facilitate sustaining a suspension of soils in solution and reduce the tendency of the soils to be redeposited onto a substrate from which they have been removed.
- Exemplary anti-redeposition agents include fatty acid amides, fluorocarbon surfactants, complex phosphate esters, styrene maleic anhydride copolymers, and cellulosic derivatives such as carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and the like. Specific exemplary anti-redeposition agents include styrene maleic anhydride copolymers, sodium tripolyphosphate, sodium carboxymethyl cellulose, polyvinylpyrrolidone, acrylic acid polymers, and maleic/olefmic copolymers. The amount of anti-redeposition agents can be > 0.1 wt.-% to < 10 wt.-%, preferably > 0.2 wt.-% to < 5 wt.-%, further preferred > 0.3 wt.-% to < 1 wt.-%, and more preferred > 0.4 wt.-% to < 0.5 wt.-%, based on the total weight of the composition.
- Optical brighteners, referred to as fluorescent whitening agents or fluorescent brightening agents, provide optical compensation for the yellow cast in fabric substrates. With optical brighteners, yellowing is replaced by light emitted from optical brighteners present in the area commensurate in scope with yellow color.
- The violet to blue light supplied by the optical brighteners combines with other light reflected from the location to provide a substantially complete or enhanced bright white appearance. The brightener produces this additional light through fluorescence. Optical brighteners can absorb light in the ultraviolet range (e.g. 275-400 nm) and can emit light in the ultraviolet blue spectrum (e.g. 400-500 nm).
- Fluorescent compounds belonging to the optical brightener family are typically aromatic or aromatic heterocyclic materials often containing condensed ring systems. An important feature of these compounds is the presence of an uninterrupted chain of conjugated double bonds associated with an aromatic ring.
- The number of such conjugated double bonds is dependent on substituents as well as the planarity of the fluorescent part of the molecule.
- Most brightener compounds are derivatives of stilbene or 4,4'-diamino stilbene, biphenyl, five-membered heterocycles (triazoles, oxazoles, imidazoles, etc.) or six-membered heterocycles (cumarins, naphthalamides, triazines, etc.).
- The choice of optical brighteners for use in a detergent composition will depend upon a number of factors, such as the type of detergent, the nature of other components present in the detergent composition, the temperature of the wash water, the degree of agitation, and the ratio of the material washed to the tub size.
- The brightener selection is also dependent upon the type of material to be cleaned, e.g. cottons, synthetics, etc. Since most laundry detergent products are used to clean a variety of fabrics, the detergent composition may contain a mixture of brighteners, which are effective for a variety of fabrics. It is of course necessary that the individual components of such a brightener mixture be compatible.
- Commercial optical brighteners which may be useful in a detergent composition according to the present invention can be classified into subgroups, which include, but are not necessarily limited to, derivatives of stilbene, pyrazoline, coumarin, carboxylic acid, methinecyanines, dibenzothiophene-5,5-dioxide, azoles, 5- and 6-membered-ring heterocycles and other miscellaneous agents.
- Examples of these types of brighteners are disclosed in "The Production and Application of Fluorescent Brightening Agents" by M. Zahradnik, published by John Wiley & Sons, New York (1982).
- Stilbene derivatives which may be useful in the present invention include, but are not necessarily limited to, derivatives of bis(triazinyl)amino-stilbene; bisacylamino derivatives of stilbene; triazole derivatives of stilbene; oxadiazole derivatives of stilbene; oxazole derivatives of stilbene; and styryl derivatives of stilbene. Preferred optical brighteners include stilbene derivatives.
- Optical brighteners that can suitably be used are 4,4'-bis-(2-sulostyryl)biphenyl (CBS- X) and/or 4,4'-bis-[(4,6-di-anilino-s-triazin-2-yl)-amino]-2,2'-stilbenedisulfonate (DMS-X). The amount of optical brighteners can be > 0.1 wt.-% to < 2 wt.-%, and more preferred > 0.2 wt.-% to < 1 wt.-%, based on the total weight of the detergent composition.
- The detergent composition for low temperature washing of the invention can include a sequestrant. In general, a sequestrant is a molecule capable of coordinating (i.e., binding) the metal ions commonly found in natural water to prevent the metal ions from interfering with the action of the other detersive ingredients of a cleaning composition. Some chelating/sequestering agents can also function as a threshold agent when included in an effective amount. For a further discussion of chelating agents/sequestrants, see Kirk-Othmer, "Encyclopedia of Chemical Technology", Third Edition, volume 5, pages 339-366 and volume 23, pages 319-320. A variety of sequestrants can be used including, for example, organic phosphonate, aminocarboxylic acid, inorganic builder, polymeric polycarboxylate, and mixtures thereof. Such sequestrants and builders are commercially available.
- The builder can include an organic phosphonate, such as an organic-phosphonic acid and alkali metal salts thereof. The sequestrant can be or include an aminocarboxylic acid type sequestrant. Suitable aminocarboxylic acid type sequestrants include the acids or alkali metal salts thereof, e.g. amino acetates and salts thereof. Some examples include N-hydroxyethylaminodiacetic acid; hydro xyethylenediaminetetraacetic acid, nitrilotriacetic acid (NTA); methylglycinediacetic acid (MGDA); 2-hydroxyethyliminodiacetic acid (HEIDA); ethylenediaminetetraacetic acid (EDTA); N-hydroxyethyl-ethylenediaminetriacetic acid (HEDTA); diethylenetriammepentaacetic acid (DTPA); and alanine-N,N-diacetic acid; and mixtures thereof. Preferred amino carboxylates include the sodium salt of EDTA, MGDA, and HEIDA.
- An exemplary sequestrant or builder that can be used includes iminodisuccinic acid (IDS) and salts of iminodisuccinic acid. Such sequestrants are desirable because they are generally considered to be more environmentally friendly compared with other sequestrants.
- It should be understood that the sequestrant and/or builder are optional components.
- When the composition of the invention includes a sequestrant and/or builder, the sequestrant and/or builder can be provided in an amount of > 1 wt.-% to < 30 wt.-%, preferably > 2 wt.-% to < 20 wt.-%, further preferred > 4 wt.-% to < 10 wt.-%, and more preferred > 6 wt.-% to < 8 wt.-%, based on the weight of the detergent composition.
- Exemplary color fastness agents that can be used include polyvinyl pyrrolidone and quaternary amines. It should be understood that the color fastness agents are optional, but when they are used, they can be used in the detergent composition of the invention in amounts of > 0.1 wt.-% to < 10 wt.-%, preferably > 0.2 wt.-% to < 5 wt.-%, further preferred > 0.3 wt.-% to < 3 wt.-%, and more preferred > 0.5 wt.-% to < 1 wt.-%, based on the total weight of the detergent composition.
- The detergent composition of the invention can include softening agents.
- Exemplary softening agents include quaternary ammonium compounds such as alkylated quaternary ammonium compounds, cyclic quaternary ammonium compounds, aromatic quaternary ammonium compounds, diquaternary ammonium compounds, alkoxylated quaternary ammonium compounds, amidoamine quaternary ammonium compounds, ester quaternary ammonium compounds, and mixtures thereof. Exemplary alkylated quaternary ammonium compounds include ammonium compounds having an alkyl group containing between 6 and 24 carbon atoms. Exemplary alkylated quaternary ammonium compounds include monoalkyl trimethyl quaternary ammonium compounds, monomethyl trialkyl quaternary ammonium compounds, and dialkyl dimethyl quaternary ammonium compounds. Examples of alkylated quaternary ammonium compounds that are commercially available are Adogen®, Arosurf®, Variquat®, and Varisoft®. The alkyl group can be a C8- C22 group or a C8-C18 group or a C12-C22 group that is aliphatic and saturated or unsaturated or straight or branched, a benzyl group, an alkyl ether propyl group, a stearyl group, or a palmityl group.
- Exemplary cyclic quaternary ammonium compounds include imidazolinium quaternary ammonium compounds and are commercially available under the name Varisoft®. Exemplary aromatic quaternary ammonium compounds include dimethyl alkyl benzyl quaternary ammonium compounds, monomethyl dialkyl benzyl quaternary ammonium compounds, trimethyl benzyl quaternary ammonium compounds, and trialkyl benzyl quaternary ammonium compounds. The alkyl group can contain between 6 and 24 carbon atoms, preferably between 10 and 18 carbon atoms, and can be a stearyl group or a hydrogenated tallow group.
- Exemplary aromatic quaternary ammonium compounds are available under the names Variquat® and Varisoft®. The aromatic quaternary ammonium compounds can include multiple benzyl groups. Diquatemary ammonium compounds include those compounds that have at least two quaternary ammonium groups. An exemplary diquatemary ammonium compound is N-tallow pentamethyl propane diammonium dichloride and is available under the name Adogen 477®. Exemplary alkoxylated quaternary ammonium compounds include methyldialkoxy alkyl quaternary ammonium compounds, trialkoxy alkyl quaternary ammonium compounds, trialkoxy methyl quaternary ammonium compounds, dimethyl alkoxy alkyl quaternary ammonium compounds, and trimethyl alkoxy quaternary ammonium compounds. Exemplary alkoxylated quaternary ammonium compounds are available under the names Varstat® and Variquat®. Exemplary amido amine quaternary ammonium compounds include diamidoamine quaternary ammonium compounds. Exemplary diamidoamine quaternary ammonium compounds are available under the name Varisoft®. Exemplary amido amine quaternary ammonium compounds that can be used according to the invention are methyl-bis(tallow amidoethyl)-2-hydroxyethyl ammonium methyl sulfate, and methyl bis (oleylamidoethyl)-2-hydroxyethyl ammonium methyl sulfate. Exemplary ester quaternary compounds are available under the name Stephantex®.
- The quaternary ammonium compounds can include any counter ion that allows the component to be used in a manner that imparts fabric-softening properties.
- Exemplary counter ions include chloride, methyl sulfate, ethyl sulfate, and sulfate. It should be understood that the softening agents are optional components and need not be present in the detergent composition according to the invention. When fabric softening agents are incorporated into the composition of the invention, they can be included in amounts of > 1 wt.-% to < 20 wt.-%, preferably > 2 wt.-% to < 18 wt.-%, further preferred > 4 wt.-% to < 15 wt.-%, and more preferred > 5 wt.-% to < 10 wt.-%, based on the total weight of the detergent composition.
- The pH value of the detergent composition according to the invention can be adjusted by adding a pH adjusting agent and/or can be provided as a result of a carryover effect, if present, from a prior washing process step. In addition, the pH of the detergent composition according to the invention can be provided as a result of components in the first and second component of the detergent composition.
- The detergent composition according to the invention can be provided with a pH that favors cleaning. The pH of the first and second component can be adjusted by the introduction of a pH adjusting agent that can be an acid or a base.
- When the pH adjusting agent is used to increase the pH, it can be referred to as an alkaline agent. Exemplary alkaline agents that can be used have already been mentioned above and referred to as "source of alkalinity".
- When the pH adjusting agent is used to lower the pH, it can be referred to as an acidifying agent. Exemplary acidifying agents include inorganic acids, organic acids, and mixtures of inorganic acids and organic acids. Exemplary inorganic acids that can be used include mineral acids such as sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid. Exemplary organic acids that can be used include carboxylic acids including monocarboxylic acids and polycarboxylic acids such as dicarboxylic acids. Exemplary carboxylic acids include aliphatic and aromatic carboxylic acids. Exemplary aliphatic carboxylic acids include acetic acid, formic acid, halogen-containing carboxylic acids such as chloroacetic carboxylic acid, and modified carboxylic acids containing side groups such as -OH, -R, -OR, - (EO)x, -(PO)x, -NH2, and -NO2 wherein R is a C1 to C10 alkyl group. Exemplary aromatic carboxylic acids include benzoic carboxylic acid and salicylic carboxylic acid. Additional exemplary organic acids include oxalic acid, phthalic acid, sebacic acid, adipic acid, citric acid, maleic acid, and modified forms thereof containing side groups including halogen, -OH, -R, -OR, -(EO)x, -(PO)x, -NH2, and -NO2 wherein R is a C1 to C10 alkyl group. It should be understood that the subscript "x" refers to repeating units. Additional exemplary organic acids include fatty acids such as aliphatic fatty acids and aromatic fatty acids. Exemplary aliphatic fatty acids include oleic acid, palmitic acid, stearic acid, C3-C26 fatty acids that may be saturated or unsaturated, and sulfonated forms of fatty acids. An exemplary aromatic fatty acid includes phenylstearic acid. Additional acids that can be used include peroxycarboxylic acid such as peroxyacetic acid, and phthalimidopercarboxylic acids. Additional acidic pH adjusting agents include carbon dioxide and ozone.
- The pH can be adjusted by adding the pH adjusting agent and/or by allowing the pH adjusting agent to cause a pH shift. For example, the pH adjusting agent can be formed in situ by reaction and/or the pH adjusting agent can be coated and, once the coating is degraded, the pH adjusting agent can become exposed to the composition of first and/or second component.
- It is preferred that the detergent composition according to the invention is free of phosphonates and/or ethylenediamine tetraacetate (EDTA) and/or anionic surfactants and/or nitromusks and/or polycyclic musks.
- In particular, it is preferred that the detergent composition according to the invention does not comprise any peroxo compound other than the at least one percarbonate.
- A particularly preferred detergent composition according to the present invention consists of the following ingredients:
modified sodium aluminiumsilicate 21 wt.-% sodium hydroxide 0.18 wt.-% complexing agent 0.35 wt.-% builder 2.34 wt.-% alcohol, C13-15, branched and linear, ethoxylated 6.9 wt.-% sodium sulphate 50.46 wt.-% alcohol, C13-15, branched and linear, ethoxylated 1.7 wt.-% starch/sizing agent 0.02 wt.-% foam inhibitor 0.18 wt.-% sodium carbonate peroxyhydrate 4.23 wt.-% tetraacetylethylenediamine 2.5 wt.-% enzyme 0.3 wt.-% sulfuric acid, mono-C12-18 alkylester, sodium salt 4.32 wt.-% perfume 0.05 wt.-% alkylpolyethylenglycolether 0.62 wt.-% water ad 100 wt.-% - The two-component color detergent composition according to the present application can be prepared by a process comprising the steps of
- preparing the first component as defined above,
- preparing the second component as defined above,
- combining the first and second component to obtain a two-component color detergent composition according to the invention,
- optionally granulating the two-component color detergent composition.
- In a preferred aspect of the present invention, the two-component color detergent composition is in the form of a powder or granulate.
- Another object of the present invention is to provide a method for removing soil from a laundry item, in particular at low temperatures, as well as significantly reducing color transfer from one laundry item to another. Laundry cleaning processes can include processes such as flushing, sudsing, draining, rinsing, extracting, repetitions thereof, or combinations thereof.
- Flushing can include contacting the laundry item with a flushing composition.
- In an aspect, flushing is the initial wetting step in the machine that carries out the washing procedure. A method of cleaning laundry can include flushing one, two, or more times. Conventional flushing compositions are water (e.g., soft or tap water).
- In conventional systems, flushing can separate loose soil from and wet a laundry item, but little more.
- Flushing can be referred to as presoaking, preflushing, or prewashing. According to the present invention, flushing includes or can be contacting the laundry item with a penetrant composition. Preferably, contacting with a penetrant composition precedes contact of the laundry item with any composition other than water.
- Sudsing can be referred to as "washing", includes cleaning the laundry item with the detergent composition of the invention. The detergent composition of the invention can herein be referred to as "cleaning composition". Sudsing can follow flushing. According to the present invention, sudsing and other cleaning processes follow contacting with the penetrant composition. In an aspect, contacting with the penetrant composition can occur during the sudsing cycle, but before addition of the cleaning composition. In an aspect, sudsing includes contacting a penetrant-treated laundry item with a cleaning composition.
- Draining includes removing a cleaning, flushing, or other composition from the laundry item, for example, by gravity and/or centrifugal force. Draining can follow sudsing. Draining can occur between repeats of flushing.
- Rinsing can include contacting the laundry item with a rinse composition suitable for removing remaining cleaning (sudsing and/or bleach) composition. The rinse composition can, for example, be water (e.g., soft or tap water), a sour rinse, or a rinse including a softener. A method of cleaning laundry can include one, two, three, or more rinses. Rinsing can follow sudsing.
- Extracting can include removing a rinse composition from the laundry item, typically with centrifugal force. Extracting can follow one or more rinsing cycles.
- The laundry item can be processed in a laundry washing machine like a washer extractor or a tunnel washer. A washer extractor that can be used includes a drum having an interior for holding laundry, a motor constructed and arranged for rotating the drum, a water inlet for introducing water into the drum interior, a chemical inlet for introducing chemicals into the drum interior, a drain for allowing fluid to drain from the drum interior, and a processing unit constructed for operating the washer extractor.
- A tunnel washer consists of several compartments that are arranged in a tunnel-like construction. The laundry remains in each compartment for a certain time and then is transported to the next compartment by top-transfer or bottom-transfer.
- Each compartment can be connected to a dosing unit that allows the addition of one or more detergent components. In this way, the first component and the second component, as well as other chemicals for the treatment of the laundry, can be added independently into various compartments of the tunnel washer.
- The method for treating laundry can be provided for a commercial and/or industrial laundry washing apparatus and can be provided in a residential and/or home laundry washing machine. A tunnel washer, also called a continuous batch washer, is an industrial laundry machine designed specifically to handle heavy loads.
- Exemplary commercial and/or industrial laundry washing facilities include those cleaning textiles for the rental, health care, and hospitality industries. In addition, the method for treating laundry can occur as part of an operation the steps of washing, rinsing, finishing, and extracting. In addition, it should be understood that the step of treating laundry can include, as part of the step, additional activities such as, for example, washing and finishing.
- It is expected that many commercial and industrial laundry washing machines are capable of handling the method for treating laundry according to the invention.
- Many commercial and industrial laundry washing machines are computer programmable, and computer programs can be provided to operate the machines according to the invention. In addition, it is expected that machines can be made available to treat laundry according to the invention, and that these machines can be used in both industrial and commercial applications and in home and residential applications. In addition, the detergent composition of the invention can be formulated so that it can be used in commercial and industrial laundry washing machines and residential laundry washing machines that are in common use, that are not computer programmable, and without modification. That is, it is expected that conventional laundry washing machines can be used to treat laundry according to the invention.
- The length of time sufficient to provide a desired level of cleaning of the detergent composition of the invention often depends on the laundry washing machine that is being used. In general, it is expected that sufficient cleaning can occur at a time of > 1 minute and < 60 minutes, at a time of t > 5 minutes and < 40 minutes, and a time of > 10 minutes and < 30 minutes. Of course, the amount of time often depends on the temperature of the cleaning process. The temperature of the cleaning can be provided at > 20 °C to < 60 °C, preferably at > 30 °C to < 40 °C.
- The present invention may be better understood with reference to the following examples. These examples are intended to be representative of specific aspects of the invention, and are not intended as limiting the scope of the invention.
- A two-component color detergent composition according to the invention was tested at 30 °C cotton-program without pre-wash according to the test program "Revised EU Ecolabel Performance Test for Laundry Detergents - Final Draft - Version 10/02/2011".
- The following products were tested:
product batch-No. No. and type of package filling quantity dosage per wash cycle wash temperature A IEC-base detergent type A* basic powder 237-970 1 x PP-bucket 5,0 kg 70 g + + Sokalan HP 56K PV P 36283175LO 1 x PEHD-bottle 0,5 kg 1 ml 30 °C B Taxat Clean Color - 1 x neutral PE-bucket 3,23 kg 76,5 g 30 °C - The IEC-reference detergent type A* and PVP (Sokalan HP 56K) were supplied by wfk Testgewebe GmbH.
- The two-component color detergent composition according to the invention B had the following ingredients:
ingredient component wt.-% modified sodium aluminiumsilicate 1 21 sodium hydroxide 1 0.18 complexing agent 1 0.35 builder 1 2.34 alcohol, C13-15, branched and linear, ethoxylated 1 6.9 sodium sulphate 1 50.46 alcohol, C13-15, branched and linear, ethoxylated 1 1.7 starch/sizing agent 1 0.02 foam inhibitor 1 0.18 sodium carbonate peroxyhydrate 2 4.23 tetraacetylethylenediamine 2 2.5 enzyme 2 0.3 sulfuric acid, mono-C12-18 alkylester, sodium salt 2 4.32 perfume 2 0.05 alkylpolyethylenglycolether 1 0.62 water - ad 100 total: 100,0 - The following criteria of washing performance of the products were tested:
- Stain removal at standardized and circular stains
- Greying (Basic Degree of Whiteness) after 15 wash cycles on standard cotton fabric wfk 11 A
- Dye transfer on white single wash textiles after one cycle at LINITEST
- Colour damage on 14 standard dyes of the AISE-Dye-Set after 15 wash cycles
- The washing trials were carried out in three washing machines Miele Novotronic W 527 under the following conditions:
product efficient at wash program test product wash program reference product water inlet temperature test product water Inlet temperature reference product heaters machine test product disconnected CSD powder 30 °C 30 °C normal cotton program, 1200 rpm 30 °C normal cotton program, 1200 rpm (20 +/-2) °C (20 +/-2) °C no - The trials were carried out at a water-hardness of (2.5 +/- 0.2) mmol/L (i.e. 14 +/-0.5 °dH). The total load was (4.5 +/- 0.1) kg. The composition of the load during the 15 wash cycles is given in the Table 1.
Table 1 Composition of the load during 15 wash cycles wash cycle no. textile items test criteria Table 1 Composition of the load during 15 wash cycles wash cycle no. textile Items test criteria 1 - 5 and 12 - 15 16 huckaback towels Cleaning performance 12 pillow cases 4 soil ballast fabrics wk SBL 2 standard cotton fabrics (20 cm x 20 cm) 6-11 12 huckaback towels 12 pillow cases 4 soil ballast fabrics wk SBL 2 standard cotton fabrics (20 cm x 20 cm) 2 x 14 stains 15-30 15 huckaback towels Colour Maintenance 12 pillow cases 2 soil ballast fabrics wk SBL 1 x AISE Dye Sets - Before starting the 15 test cycles the standard cotton fabrics for all products (2 pieces per product) were added to new huckaback towels, which are not used in the test to a (4.0 ± 0.5) kg load. Three washes at 60 °C cotton program without pre-wash with "water-plus-button" in the Miele Novotronic W 527 machines were carried out. For the basic powder of ECE standard detergent for colour fastness tests (phosphate containing, free of optical brighteners, 1 x 1.5 kg; batch 317-969) a dosage of 85.0 g per 4.0 kg load is used. Only after the 3rd wash the standard cotton fabrics were ironed (adjustment: 2 points without steam). Per product each of the 2 pre-washed standard cotton fabrics were added to the washes 1 to 15.
- For determination of stain removal standardized stains (12 x 12) cm2 and circular stains (5 x 5) cm2 are applied from the 6th to the 11th wash cycle using two new sets of test fabrics for each wash cycle. The following test fabrics, which are fixed on four huckaback towels, are used for:
Stain Supplier Tea wfk 10J Coffee wfk 10K Red Wine wfk 10LIU Chocolate wfk 10Z Blood wfk 10PBU Make up wfk 10MU Fruit Juice CFT CS-15 motor oil, unused EMPA106 Grass EMPA164 Tomato Puree Equest Carrot Baby Food Equest French Sqeezy Mustard Equest Grass/Mud Equest Frying Fat(Hamburger Grease) Equest - The swatches are washed in a single wash cycle (single wash assessment). After each wash cycle the stains are ironed two times (adjustment: 2 points without steam) at a Miele Professional HM16-83 household mangle.
- Cleaning performance was quantified through reflectancy measurement using an automatic reflectometer (Datacolor Spectraflash SF 600, 10 ° observer, D 65, without gloss, with UV-filter at 420 nm) measuring the Y-value. Each standardized stain was measured 4 times, the circular stains were measured 2 times. For each standardized stain mean and standard deviation of 48 measurements and for each circular stain mean and standard deviation of 24 measurements were calculated.
- For determination of greying two pieces of standard cotton fabric wfk 11A were applied during 15 wash cycles.
- After 15 wash cycles wash cycle the standard cotton fabrics were ironed two times (adjustment: 2 points without steam) at a Miele Professional HM16-83 household mangle. The samples have to be measured at minimum fourfold. Averages are calculated out of 8 single measurements per standard cotton fabric (8 measurements) with standard deviation. The measurement of the Basic Degree of Whiteness (Y-value) excludes the influence of UV-light, which is excluded by an appropriate filter.
- The washes are done in a suitable laundering device (e.g. Lini-Test equipment). The Laundering device is described in EN ISO 105-C06:1997 "Textiles. Tests for color fastness. Colour fastness to domestic and commercial laundering". A water Bath containing a routable shaft which supports, radially stainless steel containers (diameter 7.5 ± 0.5 cm, height 12.0 ± 0.5 cm) with 525 ± 50 ml capacity each), the bottom of the containers being 4.5 ± 1 cm from the centre of the shaft. The shaft/container assembly is rotated at a frequency of 40 ± 2rpm. The temperature of the water bath is thermostatically controlled to maintain the test solution at the prescribed temperature ± 2°C. The same liquor concentration and water hardness is used as in the washing machine. The product in test (amount for 1 l) is dispersed in 1 l of lukewarm water using a magnetic stirrer and then rapidly heated until the liquor reaches 40°C.
- Dye donator (0.3 g) and dye acceptor (cotton and polyamide) are placed in the container (no addition of steel balls). Both textiles are not fixed to each other. The volume to give the correct liquor: fabric ratio 100:1 is added and the containers are placed in the preheated (40°C) machine. Temperature raises 2°C up to 60°C and the wash is continued for 20 minutes at this temperature.
-
- Direct Black 22 (CO)
- Direct Orange 39 (CO)
- Direct Red 83:1 (CO)
- Acid Blue 113 (CO)
-
- Standard Cotton according to DIN 53919, part 1 (size 5,5 x 16 cm)
- Polyamide according to ISO 105 F03 (size 6 x 16 cm)
- Three replicates with new dye donators and acceptors are carried out for each product.
- In order to assess the dye transfer after one wash, colour differences DE between the standard cotton or polyamide piece washed without and with dye donator is determined. Measurements are taken at two defined areas of the dye acceptor using an appropriate device (e.g. datacolor). The instrumental assessments on colour fastness are done according to ISO 105-A04. They are based on ISO 105-A03 (Grey scale for assessing staining). The measurements for all products to be compared are performed using one common calibration and the same conditions.
- The following cotton standard dyes of the AISE dye-sets were used for determination of colour damage:
AISE 1 Black sulphur dyeing, untreated AISE 3 Green Vat dye AISE 5 Blue Vat dye AISE 8 Yellow Direct Dye, treated with a cationic after-treatment agent AISE 16 Red Reactive dyes AISE 20 Navy/ Black reactive dye, applied at pale depth of shade AISE 21 Navy/ Black reactive dye, applied at heavy depth of shade AISE 22 Orange Reactive dye AISE 24 Green Reactive dye AISE 26 Violet Reactive dye AISE 27 Reactive trichromatic combination no oxidative-bleach sensitive dyes AISE 29 Reactive trichromatic combination two oxidative-bleach sensitive dyes AISE 33 Navy Disperse dye AISE 39 Red 2:1 Chromium compl monosulf., with aftertreatment - Change of colour of the 14 standard dyes was evaluated instrumentally measuring the colour distance DE with a spectra photometer (e.g. Data Color Spectra flash 600 (10° observer, light source D 65, without gloss, without UV-light) after 15 washes. The colour differences were calculated according to EN ISO 105-J03:2009. The initial state of the colour is taken as a reference for determining the colour differences DE. The change in colour was instrumentally assessed as described in ISO 20105 A05 (grey scale for colour change). Mean and standard deviation of 6 measurements were calculated.
- In Table 2 the minimum requirements for Color safe detergent powders are given:
Table 2 Minimum Requirements for Color safe detergents Test criteria Monitors Color safe Detergents Stain Removal 14 stains All the stains must be evaluated separately (Y final) and referred to the reference: DY = (AVERAGE REFERENCE - σ) - (AVERAGE PRODUCT + σ) DY ≤ 10 pass DY > 10 fail 3 failures are allowed. Greying (Basic Degree of Whiteness) 2 standard cotton fabrics ΔY = AVERAGE REFERENCE - AVERAGE PRODUCT ΔY < 3.0 pass Dye transfer Colour acceptors Each DTI data must be evaluated separately and compared to the reference detergent. (ΔGREY SCALE) = AVERAGE REFERENCE - AVERAGE PRODUCT Δ GREY SCALE ≤ 1,0 pass 1 failure is allowed on maximum 1 (of the 4) dyes. Color Maintenance AISE Dye-Set All dyes must be evaluated separately and referred to reference detergent. (Δ GREY SCALE) = AVERAGE REFERENCE - AVERAGE PRODUCT ≤ 1 2 failures are allowed. -
-
- The results of colour difference DE and grey scale scores (Grey scale for assessing staining) of the dye acceptors after one wash cycle at Linitest are given in Table 5.
Table 5 Dye Transfer on white standard fabrics - Colour Distance ΔE and Grey scale scores (Grey scale for assessing staining) of the dye acceptors after 1 wash cycle at Linitest - arithmetical mean of 6 measurements Test Monitors A B Reference - teat product ΔE GS ΔE GS Δ Grey scale Dye acceptor of Acid Blue 113 wk CO (11 A) 4,0 4,4 3,1 4,5 -0,1 wk PA (TIC) 19.5 2,3 19,2 2,3 0,0 Dye acceptor of Direct Black 22 wk CO (11 A) 7,3 3,6 2,5 4,5 -0,9 wk PA (TIC) 4,6 4,2 1,8 4,6 -0,5 Dye acceptor of Direct Orange 39 wk CO (11 A) 14,3 3,0 14,8 2,9 0,0 wk PA (TIC) 1,5 4,8 2,2 4,7 0,1 Dye acceptor of Direct Red 83:1 wk CO (11 A) 1,5 4.8 1,0 4,9 -0,1 wk PA (TIC) 0,3 5,0 0,3 5,0 0,0 MEAN 4,0 4,2 - The results of colour difference DE and grey scale scores (grey scale for colour change) of the standard dyes of the AISE dye set after 15 wash cycles are given in Table 6.
Table 6 Colour damage of the standard dyes of the AISE Dye set - Colour difference ΔE and Grey scale scores (Grey scale for colour change) arithmetical mean of 4 measurements standard dyes of the AISE dye set A B Reference - test product ΔE GS ΔE GS Δ Grey scale AISE 1 4,4 2,6 4,8 2,5 0,1 AISE 3 5,3 2,7 4,0 2,9 -0,3 AISE 5 4,1 4,0 3,7 4,0 0,0 AISE 8 8,8 2,9 9,5 2,8 0,1 AISE 16 1,3 4,5 2,8 4,0 0,5 AISE 20 1,3 4,3 1,3 4,2 0,1 AISE 21 1,4 4,3 1,7 4.0 0,3 AISE 22 2,5 4,3 2,7 4,3 0,0 AISE 24 3,6 3,1 4,7 2,8 0,3 AISE 26 5,8 2,4 2,5 3,6 -1,2 AISE 27 0,9 4,5 1,1 4,3 0,2 AISE 29 1,1 4,4 1,9 3,9 0,5 AISE 33 1,3 4,3 1,1 4,4 -0,1 AISE 39 0,5 4,8 0,6 4,8 0,0 MEAN 3,8 3,8
Claims (12)
- A two-component color detergent composition for use at low temperature comprising or consisting of
a first component comprising(a) > 0 wt.-% to < 15 wt.-% of at least one non-ionic surfactant, wherein the at least one non-ionic surfactant is a higher alkoxylated alcohol surfactant containing 3 to 40 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof or wherein the at least one non-ionic surfactant is a low alkoxylated alcohol surfactant containing 1 to 2 ethylene oxide groups and at least one linear and/or branched primary alcohol containing 8 to 18 carbon atoms or mixtures thereof,
and a second component comprising(b) > 0 wt.-% to < 10 wt.-% of at least one percarbonate, and(c) > 0 wt.-% to < 5 wt.-% of tetraacetylethylenediamine (TAED),calculated on the total weight amount of the detergent composition,
wherein the composition is free of phosphates and alkylbenzenesulfonates. - The detergent composition of claim 1, wherein the weight ratio of (b) to (c) is in the range of 4 : 1 to 1 : 1, preferably in the range of 3 : 1 to 1 : 1, more preferably in the range of 2 : 1 to 1 : 1, most preferably in the range of 1.8 : 1 to 1.6 : 1.
- The detergent composition of any of claims 1 or 2, wherein the first component further comprises at least one builder and/or at least one complexing agent and/or at least one antifoaming agent and/or at least one pH-adjusting agent.
- The detergent composition of any of claims 1 to 3, wherein the second component further comprises at least one enzyme and/or at least one anionic surfactant and/or at least one copolymer of 1-vinylimidazole and 1-vinyl-2-pyrrolidone.
- The detergent composition of any of claims 1 to 4, wherein the composition does not comprise any peroxo compound other than the at least one percarbonate.
- The detergent composition of any of claims 1 to 5, wherein the composition is free of phosphonates and/or ethylenediamine tetraacetate (EDTA) and/or anionic surfactants and/or nitromusks and/or polycyclic musks.
- The detergent composition of any of claims 1 to 6, wherein the composition has a pH-value between 8 and 10, preferably between 8.2 and 9.8, further preferred between 8.3 and 9.7, also preferred between 8.4 and 9.6, more preferred between 8.6 and 9.5, and most preferred between 8.8 and 9.3.
- The detergent composition of any of claims 1 to 7, wherein the composition is in the form of a powder or granulate.
- The detergent composition of any of claims 1 to 8, wherein the composition consists of the following ingredients:
modified sodium aluminiumsilicate 21 wt.-% sodium hydroxide 0.18 wt.-% complexing agent 0.35 wt.-% builder 2.34 wt.-% alcohol, C13-15, branched and linear, ethoxylated 6.9 wt.-% sodium sulphate 50.46 wt.-% alcohol, C13-15, branched and linear, ethoxylated 1.7 wt.-% starch/sizing agent 0.02 wt.-% foam inhibitor 0.18 wt.-% sodium carbonate peroxyhydrate 4.23 wt.-% tetraacetylethylenediamine 2.5 wt.-% enzyme 0.3 wt.-% sulfuric acid, mono-C12-18 alkylester, sodium salt 4.32 wt.-% perfume 0.05 wt.-% alkylpolyethylenglycolether 0.62 wt.-% water ad 100 wt.-% - Method for preparing a two-component color detergent composition according to any of claims 1 to 9, comprising the steps of- preparing the first component,- preparing the second component,- combining the first and second component to obtain a two-component color detergent composition,- optionally granulating the two-component color detergent composition.
- Use of the two-component color detergent composition according to any of claims 1 to 9 for cleaning laundry items, preferably colored laundry items.
- The use according to claim 11, wherein the cleaning is carried out at a temperature of 60 °C or less, preferably at a temperature of 40 °C or less, most preferably at a temperature of 30 °C or less.
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US9783766B2 (en) | 2015-04-03 | 2017-10-10 | Ecolab Usa Inc. | Enhanced peroxygen stability using anionic surfactant in TAED-containing peroxygen solid |
US10280386B2 (en) | 2015-04-03 | 2019-05-07 | Ecolab Usa Inc. | Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid |
WO2019241629A1 (en) | 2018-06-15 | 2019-12-19 | Ecolab Usa Inc. | Enhanced peroxygen stability using fatty acid in bleach activating agent containing peroxygen solid |
US11427787B2 (en) | 2018-12-20 | 2022-08-30 | Ecolab Usa Inc. | Surfactant blend for removal of fatty soils |
BR112023019583A2 (en) | 2021-04-01 | 2023-12-05 | Sterilex LLC | QUATERNARY-FREE POWDER DISINFECTANT/SANITIZER |
WO2022271898A1 (en) | 2021-06-24 | 2022-12-29 | The Procter & Gamble Company | Colour care detergent compositions |
EP4108749A1 (en) | 2021-06-24 | 2022-12-28 | The Procter & Gamble Company | Colour care detergent compositions |
WO2022271897A1 (en) | 2021-06-24 | 2022-12-29 | The Procter & Gamble Company | Colour care detergent composition |
EP4108748A1 (en) | 2021-06-24 | 2022-12-28 | The Procter & Gamble Company | Colour care detergent compositions |
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