IE59109B1 - Liquid laundry detergent bleach composition - Google Patents
Liquid laundry detergent bleach compositionInfo
- Publication number
- IE59109B1 IE59109B1 IE85886A IE85886A IE59109B1 IE 59109 B1 IE59109 B1 IE 59109B1 IE 85886 A IE85886 A IE 85886A IE 85886 A IE85886 A IE 85886A IE 59109 B1 IE59109 B1 IE 59109B1
- Authority
- IE
- Ireland
- Prior art keywords
- composition
- hydroxylamine
- bleach
- bleaching agent
- enzyme
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 69
- 239000007844 bleaching agent Substances 0.000 title claims abstract description 51
- 239000003599 detergent Substances 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 25
- 239000012190 activator Substances 0.000 claims abstract description 23
- 102000004190 Enzymes Human genes 0.000 claims abstract description 20
- 108090000790 Enzymes Proteins 0.000 claims abstract description 20
- 238000004061 bleaching Methods 0.000 claims abstract description 8
- NXPHCVPFHOVZBC-UHFFFAOYSA-N hydroxylamine;sulfuric acid Chemical compound ON.OS(O)(=O)=O NXPHCVPFHOVZBC-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000005215 alkyl ethers Chemical class 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 11
- 150000002978 peroxides Chemical class 0.000 claims description 11
- 150000002443 hydroxylamines Chemical class 0.000 claims description 9
- 230000002401 inhibitory effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- XSVSPKKXQGNHMD-UHFFFAOYSA-N 5-bromo-3-methyl-1,2-thiazole Chemical compound CC=1C=C(Br)SN=1 XSVSPKKXQGNHMD-UHFFFAOYSA-N 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 238000010936 aqueous wash Methods 0.000 claims 1
- QBRSFUSGKXVSPM-UHFFFAOYSA-N hydroxylamine;hydrobromide Chemical compound Br.ON QBRSFUSGKXVSPM-UHFFFAOYSA-N 0.000 claims 1
- 125000005342 perphosphate group Chemical group 0.000 claims 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 claims 1
- -1 peroxide salt Chemical class 0.000 abstract description 14
- 239000003112 inhibitor Substances 0.000 abstract description 12
- 150000003839 salts Chemical class 0.000 abstract description 11
- 102000016938 Catalase Human genes 0.000 abstract description 9
- 108010053835 Catalase Proteins 0.000 abstract description 9
- 239000002689 soil Substances 0.000 abstract description 5
- 239000003381 stabilizer Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 30
- 229940088598 enzyme Drugs 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000000047 product Substances 0.000 description 16
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 15
- 238000000354 decomposition reaction Methods 0.000 description 15
- 125000000217 alkyl group Chemical group 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 125000004432 carbon atom Chemical group C* 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 230000002378 acidificating effect Effects 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 11
- 150000002148 esters Chemical class 0.000 description 11
- 150000002191 fatty alcohols Chemical class 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 9
- 239000004721 Polyphenylene oxide Substances 0.000 description 9
- 229920000570 polyether Polymers 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- 229910052708 sodium Inorganic materials 0.000 description 9
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- 238000000227 grinding Methods 0.000 description 7
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- 239000000243 solution Substances 0.000 description 6
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- 239000002253 acid Substances 0.000 description 5
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- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 5
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- 235000021286 stilbenes Nutrition 0.000 description 5
- 229940014800 succinic anhydride Drugs 0.000 description 5
- 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 description 5
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- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229920000388 Polyphosphate Polymers 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 150000004965 peroxy acids Chemical class 0.000 description 4
- 239000001205 polyphosphate Substances 0.000 description 4
- 235000011176 polyphosphates Nutrition 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 150000004760 silicates Chemical class 0.000 description 4
- 235000019832 sodium triphosphate Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 239000002671 adjuvant Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 150000007942 carboxylates Chemical class 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 3
- 239000002304 perfume Substances 0.000 description 3
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- 229910052700 potassium Inorganic materials 0.000 description 3
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- 239000000725 suspension Substances 0.000 description 3
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 3
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
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- 229940120146 EDTMP Drugs 0.000 description 2
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- 108091005804 Peptidases Proteins 0.000 description 2
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- 239000006096 absorbing agent Substances 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 235000016213 coffee Nutrition 0.000 description 1
- 235000013353 coffee beverage Nutrition 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 235000019961 diglycerides of fatty acid Nutrition 0.000 description 1
- FLISWPFVWWWNNP-BQYQJAHWSA-N dihydro-3-(1-octenyl)-2,5-furandione Chemical compound CCCCCC\C=C\C1CC(=O)OC1=O FLISWPFVWWWNNP-BQYQJAHWSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- SVMUEEINWGBIPD-UHFFFAOYSA-N dodecylphosphonic acid Chemical compound CCCCCCCCCCCCP(O)(O)=O SVMUEEINWGBIPD-UHFFFAOYSA-N 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 229940125532 enzyme inhibitor Drugs 0.000 description 1
- 239000002532 enzyme inhibitor Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000007046 ethoxylation reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000002193 fatty amides Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000003977 halocarboxylic acids Chemical class 0.000 description 1
- ACGUYXCXAPNIKK-UHFFFAOYSA-N hexachlorophene Chemical compound OC1=C(Cl)C=C(Cl)C(Cl)=C1CC1=C(O)C(Cl)=CC(Cl)=C1Cl ACGUYXCXAPNIKK-UHFFFAOYSA-N 0.000 description 1
- 229960004068 hexachlorophene Drugs 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 235000019960 monoglycerides of fatty acid Nutrition 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000004005 nitrosamines Chemical class 0.000 description 1
- 125000005461 organic phosphorous group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229940055729 papain Drugs 0.000 description 1
- 235000019834 papain Nutrition 0.000 description 1
- 229940111202 pepsin Drugs 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical group O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000007686 potassium Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- IFIDXBCRSWOUSB-UHFFFAOYSA-N potassium;1,3-dichloro-1,3,5-triazinane-2,4,6-trione Chemical compound [K+].ClN1C(=O)NC(=O)N(Cl)C1=O IFIDXBCRSWOUSB-UHFFFAOYSA-N 0.000 description 1
- GHTWQCXOBQMUHR-UHFFFAOYSA-M potassium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate Chemical compound [K+].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC([O-])=O GHTWQCXOBQMUHR-UHFFFAOYSA-M 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229960005076 sodium hypochlorite Drugs 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 235000018341 sodium sesquicarbonate Nutrition 0.000 description 1
- 229910000031 sodium sesquicarbonate Inorganic materials 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- BDOBMVIEWHZYDL-UHFFFAOYSA-N tetrachlorosalicylanilide Chemical compound OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C(=O)NC1=CC=CC=C1 BDOBMVIEWHZYDL-UHFFFAOYSA-N 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
- 239000004753 textile Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 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
- KQTIIICEAUMSDG-UHFFFAOYSA-N tricarballylic acid Chemical class OC(=O)CC(C(O)=O)CC(O)=O KQTIIICEAUMSDG-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- JEVFKQIDHQGBFB-UHFFFAOYSA-K tripotassium;2-[bis(carboxylatomethyl)amino]acetate Chemical class [K+].[K+].[K+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O JEVFKQIDHQGBFB-UHFFFAOYSA-K 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- WCTAGTRAWPDFQO-UHFFFAOYSA-K trisodium;hydrogen carbonate;carbonate Chemical compound [Na+].[Na+].[Na+].OC([O-])=O.[O-]C([O-])=O WCTAGTRAWPDFQO-UHFFFAOYSA-K 0.000 description 1
- 229960001322 trypsin Drugs 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 235000014101 wine Nutrition 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
- C11D7/00—Compositions of detergents based essentially on non-surface-active 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
-
- 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0004—Non aqueous liquid compositions comprising insoluble particles
-
- 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
- C11D3/3947—Liquid compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A liquid laundry detergent composition contains an inorganic peroxide salt bleach and an inhibitor such as hydroxylamine sulphate is added as a bleach stabilizer and specifically as an inhibitor of catalase, an enzyme present in natural body soils. This enzyme will rapidly decompose hydrogen peroxide, the active bleaching component of the bleach. The preferred compositions are non-aqueous liquids based on liquid nonionic surfactants and include a detergent builder salt suspended in the liquid nonionic surfactant, a bleach activator and a mono- or poly(C2 to C3)alkyleneglycol mono(C1-C5)alkyl ether.
Description
This invention relates to liquid laundry detergent compositions. More particularly, this invention relates to liquid detergent compositions containing a stabilised bleaching agent. Preferred . non-aqueous liquid laundry detergent compsitions are those which are easily pourable and which do not gel when added to water and to the use of these compositions for cleaning soiled fabrics.
Liquid nonaqueous heavy duty laundry detergent . compositions are well known in the art. For instance, compositions of that type may comprise a liquid nonionic surfactant in which are dispersed particles of a builder, as shown for instance in the U.S. patents nos. 4,316,812,- 3,630,929, 4,264,466, . and British patents nos. 1,205,711, 1,270,040 and 1,600,981.
Liquid detergents are often considered to be more convenient to employ than dry powdered or particulate products and, therefore, have found . substantial favour with consumers. They are readily measurable, speedily dissolved in the wash water, capable of being easily applied in concentrated solutions or dispersions to soiled areas on garments to be laundered and are non-dusting, and they usually . occupy less storage space. Additionally, the liquid detergents may have incorporated in their formulations materials which could not stand drying operations without deterioration, which materials are often desirably employed in the manufacture of particulate ( . detergent products» Although they are possessed of many advantages over unitary or particulate solid products, liquid detergents often have certain inherent disadvantages too, which have to be overcome to produce acceptable commercial detergent products. Thus, some such products separate out on storage and others separate out on cooling and are not readily redispersed. In some cases the product viscosity changes and it becomes either too thick to pour or so thin as to appear watery. Some clear products become cloudy and others gel on standing.
Liquid detergent compositions often include, in addition to the detergent active ingredient, one or more detergent additives or adjuvants. One of the more important of these, in terms of consumer is the class of bleach agents, especially the oxygen bleaches, of which sodium perborate monohydrate is a particularly preferred example. It is well known in the art that, in solution, the persalt oxygen bleach . releases hydrogen peroxide as the active oxidising agent. However, hydrogen peroxide is readily decomposed by catalase, an enzyme always present in natural soils and stains. This decomposition occurs even in the presence of bleach activators, as the . rate of reaction between hydrogen peroxide and the activator is slower than the decomposition of hydrogen peroxide by catalase. The activity of catalase is very high, even at room temperature, and a substantial quantity of active oxygen is lost . before catalase can be deactivated by increasing the temperature of the washing bath.
One approach to solving this problem has been to use an excessive amount of perborate or other peroxide bleaching agent, e.g. an amount generally 2 . to 4 or more times that which would be required to effectively bleach the soil or stain in the absence of peroxide decomposing enzyme and also 2 to 4 or more times molar excess relative to the number of moles of bleach activator.
. It has also been proposed to carry out the bleaching with an aqueous solution of peroxide bleaching agent in the presence of a compound capable of inhibiting enzyme-induced decomposition of the bleaching agent. Thus, U.S. patent 3,606,890 to . Gobert and Mouret and assigned to Colgate-Palmolive Company discloses a relatively wide range o£ inhibitor compounds, including, for example, hydroxylamine salt, hydrazine and phenyIhvdrazine and their salts, substituted phenols and polyphenols, and . others, as well as various detergent compositions incorporating the water soluble inorganic peroxide bleaching agent and the inhibitor compound. However, there is no teaching of liquid detergent compositions which incorporate the inhibitor compounds nor is ™ there a teaching that the inhibitor compounds would be effective in compositions containing a bleach activator in addition to the peroxide bleach.
Furthermore, U.S. patent 3,606,990 states in column 7, lines 25 to 29 that in the case of hydroxylamine sulphate the effective amount of inhibitor compound is from about 0.5 to 2% by weight . of the total composition.
It has now been discovered that in the detergent liquid compositions of this invention containing a water soluble inorganic peroxide bleaching agent of the persalt type the incorporation of very limited . amounts of less than about 0.5%, for example, 0.01 to about 0.45%, can effectively inhibit enzyme-induced decomposition of the bleaching agent, it has been further discovered that hydroxylamine sulphate is highly stable in the composition and does not at at all interfere with activation of the bleaching system by conventional persalt bleach activators.
Therefore, in accordance with the present invention there is provided a nonaqueous liquid laundry detergent composition, comprising a liquid nonionic surfactant, a mono or polyiCg-CgJalkylene glycol mono (Cj-C^Jalkylether, a water-soluble inorganic peroxide bleaching agent, a bleach activator to lower the temperature at which the bleaching agent will liberate hydrogen peroxide in aqueous solution, and from about 0 01 to 0»45 percent by weight, based on the total composition, of an hydroxylamine salt capable of inhibiting the enzyme-induced decomposition of the bleaching agent, the enzyme being present in the soiled fabrics.
Other features and specific embodiment of the invention will be apparent and the invention may be more readily understood from the following detailed description» The nonionic synthetic organic detergents employed in the practice of the invention may be any of a wide variety of such compounds, which are well known and, for example, are described at length in the text Surface Active Agents, Vol. II, by Schwartz, Perry and Berch, published in 1958 by Interscience Publishers, and in McCutcheons's Detergents and Emulsifiers. 1959 Annual, the relevant disclosures of which are hereby incorporated by reference® Usually, the nonionic detergents are poly-lower alkoxylated lipophiles wherein the desired hydrophile-lipophile balance is obtained from addition of a hydrophilic poly-lower group to a lipophilic moiety. A preferred class of the nonionic detergent employed is the ., poly-lower alkoxy lated higher alkanol wherein the alkanol is of 10 to 18 carbon atoms and wherein the number of mols of lower alkylene oxide (of 2 to 3 carbon atoms) is from 3 to 12» Of such materials it is preferred to employ those wherein the higher . alkanol is a higher fatty alcohol of 10 to 11 or 12 to 15 carbon atoms and which contain from 5 to 8 or 5 to 9 lower alkoxy groups per mol. Preferably, the lower alkoxy is ethoxy, taut in some instances, it may be desirably mixed with propoxy, the latter, if . present, usually, but not necessarily, being a minor (less than 50S) proportion. Exemplary of such compounds are those wherein the alkanol is of 12 to 15 carbon atoms and which contain about 7 ethylene oxide groups per mol» e.g. Heodol |Trade Mark) 25-7 and Neodol . 23-6,5, which products are made by Shell Chemical Company, Inc. The former is a condensation product of a mixture of higher fatty alcohols averaging about 12 to 15 carbon atoms, with about 7 mols of ethylene oxide and the latter is a corresponding mixture . wherein the carbon atom content of the higher fatty alcohol is 12 to 13 and the number of ethylene oxide groups present averages about 6.5» The higher alcohols are primary alkanols. Other examples of such detergents include Tergitol (Registered Trade » Mark) 15-S-7 and Tergitol 15-S-9, both of which are - 7 linear secondary alcohol ethoxylates made hy Union Carbide Corp, The former is mixed ethoxylation product of 11 to 15 carbon atoms linear secondary alkanol with 7 mols of ethylene oxide and the latter ,., is a similar product, but with 9 mols of ethylene oxide being reacted.
Also useful in the compositions of the present invention as a component of the nonionic detergent are higher molecular weight nonionics, such as Neodol . 45-11, which are similar ethylene oxide condensation products of higher fatty alcohols, with the higher fatty alcohol being of 14 to 15 carbon atoms and the number of ethylene oxide groups per mol being about 11. Such products are also made by Shell Chemical . Company. Other useful nonionics are represented by th6 well-known commercially available Plurafac (Trade Hark) series which are the reaction product of a higher linear alcohol and a mixture of ethylene and propylene oxides, containing a mixed chain of ethylene oxide . and propylene oxide, terminated by a hydroxyl group. Examples include Plurafac RA30 (a C^3-C^5 fatty alcohol condensed with δ moles ethylene oxide and 3 moles propylene oxide), Plurafac SA40 (a C13-C15 fatty alcohol condensed with 7 moles propylene oxide . and 4 moles ethylene oxide), Plurafac D25 (a Ci3-Cj_5 fatty alcohol condensed with 5 moles propylene oxide and 10 moles ethylene oxide), and Plurafac B26.
Generally, the mixed ethylene oxide-propylene oxide fatty alcohol condensation products can be . - 8 represented by the general formula RO(C2H4O)x(C3H6O)yH, where R is straight or branched primary or secondary aliphatic hydrocarbon, preferably alkyl or alkenyl, of from 6 to 20, . preferably 10 to 18, especially preferably 14 to 18 carbon atoms, x is a number of from 2 fo 12, preferably 4 to 10, and y is a number of from 2 to 7, preferably 3 to 6.
Another group of liquid nonionics are available . from Shell Chemical Company, Inc. under the Dobanol trade mark; Dobanol 91-5 is an ethoxylated Cg-Cj^. fatty alcohol with an average of 5 moles ethylene oxide; and Dobanol 25-7 is an ethoxylated C^2"c15 fatty alcohol with an average of 7 moles ethylene . oxides.
In the preferred poly-lower alkoxvlated higher alkanols, to obtain the best balance of hydrophilic and lipophilic moieties the number of lower alkoxies will usually be from 40% to 100% of the number of . carbon atoms in the higher alcohol, preferably 40 to 60% thereof and the nonionic detergent will preferably contain at least 50% of such preferred poly-lower alkoxy higher alkanol. Higher molecular weight alkanols and various other normally solid . nonionic detergents and surface active agents may be contributory to a gelation of the liquid detergent and consequently, will preferably be omitted or limited in quantity to the compositions of the present invention,, although minor proportions thereof . may be employed for their cleaning properties, etc. 9.
With respect to both preferred and less preferred nonionic detergents the alkyl groups present therein are generally linear although branching jnay be tolerated, such as at a carbon next to or two carbons . removed from the terminal carbon of the straight chain and away from the ethoxy chain, if such branched alkyl is not more than three carbons in length. Normally, the proportion of carbon atoms in such a branched configuration will be minor rarely . exceeding 201 of the total carbon atom content of the alkyl» Similarly, although linear alkyls which are terminally joined to the ethylene oxide chains are highly preferred and are considered to result in the best combination of detergency, biodegradability and . non-gelling chararacteristics, medial or secondary joinder to the ethylene oxide in the chain may occur» Xt is usually in only a minor proportion of such alkyls, generally less than 20%, but as is in the cases of the mentioned Terigtols, may be » greater» Also, when propylene oxide is present in the lower alkylene oxide chain, it will usually, but not necessarily, be less than 20% thereof and preferably less than 10% thereof» When greater proportions of non-terminallv . alkoxylated alkanols, propylene oxide-containing poly-lower alkoxylated alkanols and less hydrophile-lipophile balanced nonionic detergent than mentioned above are employed and when other nonionic detergents are used instead of the preferred » nonionics recited herein, the product resulting may - 10 not have as good detergency, stability, viscosity and non-gelling properties as the preferred compositions, but use of the viscosity and gel controlling compounds of the present invention can also improve the properties of the detergents based on such nonionics. In some cases, as when a higher molecular weight polylower alkoxylated higher alkanol is » employed, often for its detergency., the proportion thereof will be regulated or limited as in the , desired detergency and still have the product non-gelling and of desired viscosity. Also, it has been found that it is only rarely nece ssary to utilise the higher molecular weight nonionics for their detergent properties since the preferred nonionics ., described herein are excellent detergents and additionally, permit the attainment of the desired viscosity in the liquid detergent without gelation at low temperatures. Mixtures of two or more of these liquid nonionics can also be used and in some cases . advantages can be obtained by the use of such mixtures.
As mentioned above, the structure of the liquid nonionic surfactant may be optimised with regard to their carbon chain length and configuration (e.g. linear versus branched chains, etc.) and their content and distribution of alkylene oxide units. Extensive research has shown that these structural characteristics can and do have a profound effect on such properties of the nonionic as pour point, cloud . point, viscosity, gelling tendency, as well, of course, as on detergency.
Preferred examples of mono or poly (Cg-CgjaIkylene glycol mono (Cj-Cg) alkyl ethers include ethylene glycol monoethyl ether (CgHg-O-CHgCHgOH), and diethylene glycol monobutyl ether (C^Hg-O-iCHgCHgO^H). Diethylene glycol monoethyl ether is especially preferred and, as will be shown below, is uniquely effective to control viscosity. - 12 diethylene glycol monobutyl ether, may be the only viscosity control and gel-inhibiting additive in the invention compositions further improvements in the rheological properties of the anhydrous liquid . nonionic surfactant compositions can be obtained by including in the composition a small amount of a nonionic surfactant which has been modified to convert a free hydroxyl group thereof to a moiety having a free carboxyl group, such as a partial ester » of a nonionic surfactant and a polycarboxylic acid and/or an acidic organic phosphorous compound having an acidic - POH group, such as a partial ester of phosphorous acid and an alkanol.
As disclosed in the commonly assigned copending » application U.S. Ser. No. 597,948, filed 9 April 1984, corresponding to GB Application No. 8509084, Ser. No. 2158454 ----- the free carboxyl group modified nonionic surfactants, which may be . broadly characterised as polyether carboxylic acids, function to lower the temperature at which the liquid nonionic forms a gel with water. The acidic polyether compound can also decrease the yield s tress of such dispersion, aiding in their dispensability, . without a corresponding decrease in their stability against settling. Suitable polyether carboxylic acids contain a grouping of the formula (och2-ch2)p(CH-CH2)q-Y-S-GOOM I . CH3 - 13 I» where R2 represents a hydrogen atom or a methyl group, Y represents oxygen or sulphur, Z represents an organic linkage, p is a positive number or from about 3 to about 50 and q is zero or a positive . number of up to 10. Specific examples include the half-ester of Plurafac RA.30 with succinic anhydride, the half ester of Dobanol 25-7 with succinic anhydride, and the half ester of Dobanol 91-5 with succinic anhydride. Instead of a succinic acid . anhydride, other polycarboxylic acids or anhydrides may be used, e.g. maleic acid, maleic anhydride, glutaric acid, malonic acid, succinic acid, phthalic acid, phthalic anhydride, or citric acid.
Furthermore, other linkages may be used, such as ether, thioether or urethane linkages, formed by conventional reactions. For instance, to form an ether linkage, the nonionic surfactant may be treated with a strong base (to convert its OH group to an ONa group for instance) and then reacted with a . halocarboxylic acid such as chloroacetic acid or chloropropionic acid or the corresponding bromo compound. Thus, the resulting carboxylic acid may have the formula R-Y-ZCOOH where R is the residue of a nonionic surfactant (on removal of a terminal OH), . Y represents oxygen or sulpur and Z represents an organic linkage such as a hydrocarbon group of, say, to 10 carbon atoms which may be attached to the oxygen (or sulphur) of the formula directly or by means of an intervening linkage such as an oxygen30. containing linkage, e.g. a O or O linkage. •o as -c-C-NH-14 The polyether carboxylic acid may be produced from a polyether which is not a nonionic surfactant, e.g. it may be made by reaction with a polyalkoxy compound such as polyethylene glycol or a monoester - or monoether thereof which does not have the long alkyl chain characteristic of the nonionic surfactants™ Thus, R may have the formula R2 J . Rl(OCH"CH2)nwhere R2 represents a hydrogen atom of a methyl group, R^- represents an alky Iphenyl or alkyl or other chain terminating group and "n is at least 3 such as 5 fco 25« When the alkyl group of Ri is a higher « alkyl group, R is a residue of a nonionic surfactant. As indicated above, R1 may instead be hydrogen or lower alkyl (e.g. methyl, ethyl, propyl, butyl) or lower acyl (e.g. acetyl). The acidic polyether compound if present in the detergent . composition, is preferably added dissolved in the nonionic surfactant™ Another useful class of supplemental anti-gelling agent are the Cg to Cj4 alkyl or alkenyl dicarboxylic anhydrides, such as, for example, . octenylsuccinic anhydride, octenvlmaleic anhydride or dodecylsuccinic anhydride. These compounds may be used together with or in place or part or all of the polyether carboxylic acid anti-gelling agents.
As disclosed in the commonly assigned copending . application U.S. Ser. Wo. 597,783, filed 6 April - 15 1984, corresponding to GB application no. 8509083, Ser. Mo. 2158453, the acidic organic phosphorous compound having an acidic - POH group can . increase the stability of the suspension of builder, especially polyphosphate builders,, in the nonaqueous liquid nonionic surfactant.
The acidic organic phosphorous compound may be, for instance, a partial ester of phosphoric acid and . an alcohol such as an alkanol which has a lipophilic character, having, for instance, more than 5 carbon atoms, e.g. 8 to 20 carbon atoms.
A specific example is a partial ester of phosphoric acid and a Οχθ to Οχθ alkanol (Empiphos » 5632 from Marchon); it is made up of about 35% monoester and 65% diester.
The inclusion of quite small amounts, for example from about 0.5 to 0.3% by weight of the composition, of the acidic organic phosphorous » compound makes the suspension significantly more stable against settling or standing but remains pourable, presumably, as a result of increasing the yield value of the suspension, but decreases its plastic viscosity. It is believed that the use of . the acidic phosphorous compound may result in the formation of a high energy physical bond between the -POH portion of the molecule and the surfaces of the inorganic polyphosphate builder so that these surfaces take on an organic character and become more . compatible with the nonionic surfactant. - 15 The acidic organic phosphorous compound may be selected from a wide variety of materials, in addition to the partial esters of phosphoric acid and alkanols mentioned above. Thus, one may employ a . partial ester of phosphoric or phosphorous acid with a mono or polyhydric alcohol such as hexylene glycol, ethylene glycol, di- or tri-ethylene glycol or higher polyethylene glycol, polypropylene glycol, glycerol, sorbitol, or mono or diglycerides of fatty acids, in . which one, two or more of the alcoholic OH groups of the molecule may be esterified with the phosphorous acid. The alcohol may toe a nonionic surfactant such as an ethoxylated or ethoxylated propoxylated higher alkanol, higher alkyl phenol, or higher alkyl amide.
. The -POH group need not be bonded to the organic portion of the molecule through an ester linkage, instead it may toe directly toonded to carbon (as in a phosphonic acid, such as a polystyrene in which some of the aromatic rings carry phosphonic acid or . phosphinic acid groups; or an alkylphosphonic acid, such as propyl or laurylphosphonic acid) or may toe connected to the cartoon through other intervening linkage (such as linkages through O, S or N atoms). Preferably, the cartoon’.phosphor us atomic ratio in . the organic phosphorous compound is at least about 3si, such as 5sl, 10si, 20sl, 30sI or 40sl.
The detergent composition of the present invention may also and preferably does include water soluble detergent builder salts. Typical suitable . builders include, for example, those disclosed in U.S.
Patents 4,316,812; 4,264,466; and 3,630,929» Watersoluble inorganic alkaline builder salts which can be used alone with the detergent compound or in admixture with other builders are alkali metal » carbonates, borates, phosphates, polyphosphates, bicarbonates, and silicates» (Ammonium or substituted ammonium salts can also be used») Specific examples of such salts are sodium tripolyphosphate, sodium carbonate, sodium tetraborate, sodium pyrophosphate, » potassium pyrophosphate, sodium bicarbonate, potassium tripolyphosphate, sodium hexametaphosphate, sodium sesquicarbonate, sodium mono and diorthophosphate, and potassium bicarbonate. Sodium fcripolyphosphate (TPP) is especially preferred. The alkali metal » silicates are useful builder salts which also function to make the composition anticorrosive to washing machine parts. Sodium silicates of Na2O/SiC>2 ratios of from 1.6/1 to 1/3.2 especially about 1/2 to 1/2.8 are preferred. Potassium silicates of the same » ratios can also be used.
Another class of builders useful herein are the water-insoluble aluminosilicates, both of the crystalline and amorphous type. Various crystalline zeolites (i.e. alumino-silicate are described in » British Patent 1,504,168, U.S. Patent 4,409,136 and Canadian Patents 1,072,835 and 1,087,477.» An example of amorphous zeolites useful herein can be found in Belgium Patent 835,351. » ~ )8 ~ The zeolites generally have the formula rf (M20)x.(AI2O3)y.(SiO2)z.WH2O „ wherein x is 1, y is from 0.8 to 1.2 and preferably 1, z is from 1.5 to 3.5 or higher and preferably 2 to 3 and w is from 0 to 9, preferably 2.5 to 6 and M is preferably sodium. A typical zeolite is type A or similar structure, with type 4A particularly . preferred™ The preferred aluminosilicates have calcium ion exchange capacities of about 200 milliequivalents per gram or greater, e.g. 400 meq/g.
Other materials such as clays, particularly of the water-insoluble types, may be useful adjuncts in , compositions of the present invention. Particularly useful is bentonite. This material is primarily montmorillonite which is a hydrated aluminium silicate in which about l/6th of the aluminium atoms may be replaced by magnesium atoms and with which . varying amounts of hydrogen, sodium, potassium, calcium, etc., may be loosely combined. The bentonite in its more purified form (i.e. free from any grit, sand, etc.) suitable for detergents invariably contains at least 50% montmorillonite and . thus its cation exchange capacity is at least about 50 to 75 meq. per 100 g of bentonite. Particularly preferred bentonite are the Wyoming or Western U.S. bentonites which have been sold as Thixo-jels 1, 2, 3 and 4 by Georgia Kaolin Co. These bentonites are Λ . known fo soften textiles as described in British - 19 ~ Patent 401,413 to Marriott and British Patent 461,221 to Marriott and Dugan.
Examples of organic alkaline sequestrant builder salts which can be used alone with the detergent or . in admixture with other organic and inorganic builders are alkali metal, ammonium or substituted ammonium, aminopolycarboxylates, e.g. sodium and potassium ethylene diaminetetraacetate (EDTA), sodium and potassium nitrilotriacetates (NTA) and triethanol1θ· ammonium N-(2-hydroxyethyl)nitrilodiacetates» Mixed salts of these polycarboxylates are also suitable.
Other suitable builders of the organic type include carboxymethylsuccinates, tartronates and glycollates. Of special value are fhe polyacetal » carboxylates. The polyacetal carboxylates and their use in detergent compositions are described in 4,144,226,- 4,315,092 and 4,146,495. Other patents on similar builders include 4,141,676; 4,169,934; 4,201,858; 4,204,852? 4,224,420? 4,225,685? . 4,226,960; 4,233,422? 4,233,423; 4,302,564 and 4,303,777. Also relevant are European Patent Application Nos. 0015024; 0021491 and 0063399.
Since the compositions of the present invention are generally highly concentrated, and, therefore, » may be used at relatively low dosages, it is desirable to supplement any phosphate builder (such as sodium tripolyphosphate) with an auxiliary builder such as a polymeric carboxylic acid having high calcium binding capacity to inhibit incrustation . which could otherwise be caused by formation of an - 20 δ. . . . » » insoluble calcium phosphate. Such auxiliary builders are also well known in the art.
Various other detergent additives or adjuvants may be present in the detergent product to give it additional desired properties, either of functional or aesthetic nature. Thus, there may be included in the formulation, minor amounts of soil suspending or anti-redeposition agents, e.g. polyvinyl alcohol, fatty amides, sodium earboxymethyl cellulose, hydroxypropyl methyl cellulose; optical brighteners, e.g. cotton, amine and polyester brighteners, for example, stilbene, triazole and benzidine sulphone compositions, especially sulphonated substituted triasinyl stilbene, sulphonated naphthotriazole stilbene or benzidene sulphone, most pref ef erred are stilbene and triazole combinations.
Bluing agents such as ultramarine blue; enzymes, preferably proteolytic enzymes, such as subtilisin, bromelin, papain, trypsin and pepsin, as well as amylase type enzymes, lipase type enzymes, and mixtures thereof; bactericides, e.g. tetrachlorosalicylanilide, hexachlorophene; fungicides; dyes; pigments (water dispersible); preservatives; ultraviolet absorbers; anti-yeHowing agents, such as sodium earboxymethyl cellulose, complex of C12 ro c22 alkyl alcohol with C^2 to C^g alkylsulphate; pH modifiers and pH buffers; colour safe bleaches, perfume, and anti-foam agents or suds-suppressors, e.g. silicon compounds can also be used.
The bleaching agents are classified broadly, for - 21 convenience, as chlorine bleaches and oxygen bleaches. Chlorine bleaches are typified by sodiumhypochlorite (MaOCl),potassium dichloroisocyanurate (59% available chlorine), and trichloroiso-isocyanuric acid (85% . available chlorine). The oxygen bleaches ar® the subject of the present invention and are represented by percompounds which liberate hydrogen peroxide in solution, i.e. compounds containing hydrogen peroxide or inorganic perhydrates which, when dissolved, . liberate hydrogen peroxide enclosed in their crystal lattice. Preferred examples include sodium and potassium perborates, percarbonates, and perphosphafes, and potassium monopersulphate. The perborates, particularly sodium perborate monohydrate, . is especially preferred.
Hydrogen peroxide and the precursors which liberate it in solution are good oxidizing agents for removing certain stains from cloth, especially stains caused by wine, tea, coffee, cocoa or fruits.
. Hydrogen peroxide and its precursors have been found in general to bleach quickly and most effectively at a relatively high temperature, e.g. about 80°C to 100eC. However, such compounds tend to decompose and liberate gaseous oxygen at lower . temperatures. The liberation of gaseous oxygen, which is not involved in oxidation of dyed goods, needlessly consumes a sizable amount of hydrogen peroxide or precursors liberating if, both of which are expensive products. Moreover, it has been found » that the various stains in cloth and the like greatly - 22 accelerates decomposition of hydrogen peroxide into gaseous oxygen during washing at ordinary temperature In general, washing cloth, either in a machine, by hand, or in boiler or tubs, is accomplished by . dissolving a bleaching or detergent composition (containing perborate, for example) in cold or lukewarm water, adding to the solution thus formed the soiled cloth (from which some of the stains have often already been removed by soaking or previous , washing) and heating, often just to boiling.
However, it was found that, by a phenomenon similar to that previously mentioned, all or part of the perborate was decomposed during heating and more specifically during the temperature rise, i.e. that . all or part of the perborate was decomposed before the really effective temperature is reached.
It is believed that this rapid decomposition of hydrogen peroxide, perborate, or other precursors of hydrogen peroxide into gaseous oxygen at low tempera20. ture is due to the extremely powerful catalytic action of certain enzymes which are always present in stains, which are present on materials to be washed, and particularly on soiled cloth, such as linens, these enzymes coming from secretions or being of ., bacterial origin. Hydroperoxidases are an especially active group of enzymes in this respect, particularly catalase» which is well known as a highly effective catalyst for decomposing hydrogen peroxide to gaseous oxygen. Such enzyme substances, whether termed . Deredox8u or otherwise are nevertheless uniformly - 23 characterised in exhibiting a pronounced tendency to induce decomposition of peroxide bleaching agent, the decomposition products evolved thereby comprising ineffective bleaching species.
. In order to take advantage of the low temperature effective detergents and low temperature washing cycles now commonly used for temperature sensitive fabrics, the peroxygen compound is preferably used in admixture with an activator . therefor. Suitable activators which can lower the effective operating temperature of the peroxide bleaching agent to about 40°C (104°F) or less, are disclosed, for example, in U.S. Patent 4,264,466 or in column 1 of U.S. Patent 4,430,244* .
Polyacylated compounds are preferred activators; among these, compounds such as tetraacetyl ethylene diamine (TAED) and pentaacetyl glucose are particularly preferred. Other useful activators » include for instance acetylsalicyclic acid and its salts, ethylidene benzoate acetate (EBA) and its salts, ethylidene carboxylate acetate and its salts, alkyl and alkenyl succinic anhydride, tetraacetylgly™ couril (TAGU), and the derivatives of these. See . also U.S. Patents 4,111,826, 4,422,950 and 3,661,789 for other classes of activators useful herein.
The bleach activator usually interacts with the peroxygen compound to form a peroxyacid bleaching agent in the wash water. It is preferred to include . a sequestering agent of high complexing power to inhibit any undesired reaction between such peroxyacid and hydrogen peroxide in the wash solution in the presence of metal ions. Preferred sequestering agents are able to form a complex with Cu2'·" ions, . such that the stability constant (pK) of the complexation is equal to or greater than 6, at 25°C, in water, of an ionic strength of 0.1 mole/litre, pK being conventionally defined by the formulas pK=-log K where K represents the equilibrium constant. Thus, . for example, the pK values for complexation of copper ion with NTA and EDTA at the stated conditions are 12.7 and 18.8, respectively. Suitable sequestering agents include for example, in addition to those mentioned above, diethvlene triamine penfcaacetic acid . (DETPA); diethylene triamine pentamethylene phosphonic acid (DTPMP); and ethylene diamine tetramethylene phosphonic acid (EDITEMPA).
However, even in the presence of the bleach activators, and even at temperatures as low as room . temperature, decomposition of the persalt will occur in the presence of the stained cloth since the rate of reaction between the bleaching agent and the activator is slower than the rate of decomposition of hydrogen peroxide by catalase.
„ In order to avoid loss of bleaching agent resulting from ensyme-indueed decomposition, the compositions of this invention include an effective amount of a corapound capable of inhibiting this enzyme-induced decomposition of bleaching agent.
. Suitable inhibitor compounds are disclosed in U.S. - 25 Patent 3,606,990 κ Of special interest and importance as the inhibitor compound is hydroxylamine sulphate and « other water-soluble hydroxylamine salts, including, for example, hydrochloride, hydrobromide. It has now been found that the hydroxylamine salts, especially the sulphate, are effective to inhibit the deletorious effect of catalase even when present in . the composition in very limited amounts, for example, less than 0 5%, such as 0.01 to 0.4%, preferably 0.04 to 0.2%, and especially preferably about 0.1%, based on the weight of fhe total composition.
Furthermore, the hydroxylamine inhibitor is . highly stable in the compositions less than 20% loss after aging for 2 months at 43°C. The hydroxylamine salts are very rapidly solubilised in water and can accordingly react with catalase before dissolution of the perborate or other peroxide bleaching agent.
» Another advantage of the hydroxylamine salts is that they are rapidly destroyed in the washing liquor, and consequently, no nitrosamine derivatives have been detected.
Where the bleaching system is activated by one . of the bleach activators, e.g. TAED, the activator is utilised more effectively and, therefore, suitable ratios of persalt bleaching agent/bleach activator can . - 26 be maintained at levels much closer to the stoichiometric equivalent weights or with only small molar excess of the bleaching agent.
The composition may also contain an inorganic . insoluble thickening agent or dispersant of very high surface area such as finely divided silica of extremely fine particle size (e.g. of 5-100 millimicrons diameters such as sold under the name Aerosil) (Trade ^ark) or the other highly voluminous inorganic » carrier materials disclosed in U.S. Patent 3,630,929, in proportions of 0.1-10%, e.g. 1 to 5%. Xt is preferable, however, that compositions which form peroxyacids in the wash bath (e.g. compositions containing peroxvgen compound and activator therefor) . be substantially free of such compounds and of other silicates; if has been found, for instance, that silica and silicates promote the undesired decomposition of the peroxyacid» In a preferred form of the invention, the ' 20» mixture of liquid nonionic surfactant and solid ingredients is subjected to an attrition type of mill in which the particle sizes of the solid ingredients are reduced to less than about 10 microns, e.g. to an average particle size of 2 to 10 microns or even . lower (e.g. 1 micron). Compositions whose dispersed particles are of such small size have improved stability against separation or settling on storage.
In the grinding operation, it is preferred that the proportion of solid ingredients be high enough . (e.g. at least about 40% such as about 50%) that the - 27 solid particles are in contact with each other and are not substantially shielded from one another by the nonionic surfactant liquid. Mills which employ grinding balls (ball mills) or similar mobile » grinding elements have given very good results® Thus, one may use a laboratory batch attritor having 8 mm diameter steatite grinding balls. For larger scale work a continuously operating mill in which there are 1 mm or 1.5 mm diameter grinding balls . working in a very small gap between a stator and a rotor operating af a relatively high speed (e.g. a CoBall mill) may be employed; when using such a mill, it is desirable to pass the blend of nonionic surfactant and solids first through a mill which does . not effect such fine grinding (e.g. a colloid mill) to reduce the particle sise to less than 100 microns (e.g. fo about 40 microns) prior to the step of grinding to an average particle diameter below about 10 microns in the continuous ball mill.
. In the preferred heavy duty liquid detergent compositions of the present invention, typical proportions (based on the total composition, unless otherwise specified) of the ingredients are as follows: . Suspended detergent builder, within the range of about 10 fo 60% such as about 20 fo 50%, e.g. about 25 to 40%; Liquid phase comprising nonionic surfactant and dissolved amphiphilic viscosity-controlling and gel30. inhibiting compound, within the range of about 30 to - 28 70%, such as about 40 to 60%; this phase may also include minor amounts of a diluent such as glycol, e.g. polyethylene glycol (e.g. PEG 400), or hexylene glycol, such as up to 10%, preferably up to . 5%, for example,0.5 to 2%. The weight ratio of nonionic surfactant to amphiphilic compound is in the range of from about 100si to Isl, preferably from about 50:1 to about 2:1, especially from about 25si to about 3si? Polyether carboxylic acid gel-inhibiting compound may be present, for example, in an amount to supply in the range of about 0.5 to 10 parts (e.g. about 1 to 6 parts, such as about 2 to 5 parts) of COOH (M.W. 45) per 100 parts of blend of such acid . compound and nonionic surfactant. Typically, the amount of the polyether carboxylic acid compound is in the range of about 0.01 to 1 part per part of nonionic surfactant, such as about 0.05 to 0.6 part, e.g. about 0.2 to 0.5 part; » Acidic organic phosphoric acid compound, as antisettling agent; up to 5%, for example, in the range of 0.01 to 5%, such as about 0.05 to 2%, e.g. about 0.1 to 1%.
Suitable ranges of other optional detergent . additives ares enzymes - 0 to 2%, especially 0.7 to 1.3%; corrosion inhibitors - about 0 to 40%, and preferably 5 to 30%; anti-foam agents and sudssuppressors - 0 to 15%, preferably 0 to 5%, for example 0.1 to 3%; thickening agent and dispersants 30» 0 to 15%, for example 0.1 to 10%, preferably 1 to 5%; soil suspending or anti-redeposition agents and anti- 29 yellowing agents - 0 to 10%, preferably 0,.,5 to 5%; colourants, perfumes, brighteners and bluing agents total weight 0% to about 2% and preferably 0% to about 1%; pH modifiers and pH buffers - 0 to 5%, » preferably 0 to 2%; bleaching agent - 0% to about 40% and preferably 0% to about 25%, for example 2 to 20%; inhibitor compound for inhibiting enzyme-induced decomposition of bleaching agent - up to about 0,,5%, preferably 0.01 to 0.4 or 0.5%, more preferably 0.04 . to 0.2%; bleach stabilisers and bleach activators 0 to about 15%, preferably 0 to 10%, for example, 0.1 to 8%; sequestering agent of high complexing power, in the range of up to about 5%, preferably about 1/4 to 3%, such as about 1/2 to 2%. In the selections of . the adjuvants, they will be chosen to be compatible with the main constituents of the detergent composition.
The invention may be put into practice in various ways and a number of specific embodiments . will be described by way of example.
All proportions and percentages are by weight unless otherwise indicated. . . - 30 5.
EXAMPLE 1 (comparison Example) A heavy duty built nonaqueous liquid nonionic cleaning composition having the following formula is prepared s 1θ Ingredient Weight% Surfactant T7 17.0 Surfactant T8 17.0 Dobanol 51--5 Acid^ 5,0 Diethylene glycol monobutyl ether 10„0 15a Dequest 2066^ l„0 TPP NW (sodium tripolyphosphate) 25,,0525 Sokolan GPS3 (Calcium sequestering agent) 4.0 Perborate HjO (sodium perborate monohydrate) 9.0 T.A.E.D. (tetraacetylethylene diamine) 4.5 » Emphiphos 5632^ 0.3 Stilbene 4 (optical brightener) 0.5 Esperase (proteolytic enzyme) 1.0 Duet 7875 0.6 Relatin DM 4050® (anti-redeposition agent) 1.0 . Blue Foulan Sandolane (dye) 0.0075 1) The esterification product of Dobanol 91-5 (a Gq-Cji fatty alcohol ethoxylated with 5 moles ethylene oxide) with succinic anhydride - the half30. ester. - 31 5. » . . . . 2) Diethylene triamine pentaraethylene phosphoric acid, sodium salt» 3) A copolymer of about equal moles of methacrylic acid and maleic anhydride, completely neutralised to form the sodium salt thereof» 4) Partial ester of phosphoric acid and a Οχθ to Οχθ alkahol (about 1/3 monoester and 2/3 diester).
) Fragrance» 6) Mixture of sodium carboxymethyl cellulose and hydroxymethylcellulose» This composition is a stable, free-flowing, built, non-gelling, liquid nonionic cleaning composition in which the polyphosphate builder is stably suspended in the liquid nonionic surfactant phase.
EXAMPLE 2 «· Xn the same manner as in Example 1, the following heavy duty built non-aqueous liquid nonionic cleaning composition containing an enzyme inhibitor is prepareds Ingredient Plurafac RA 30 Diethyleneglycol monobutyl ether Octenylsuccinic anhydride TPP NW Sokolan CP5 Dequesf 2066 Perborate H20 TAED Hydroxylamine sulphate Emphiphos 5632 ATS-X (optical brightener) Weight^ 37.5 .5 2.0 23.4 4.0 1.0 9.0 4.5 0.1 0.3 0.2 - 32 Ingredient Weight% Esperase Perfume Relatin DM 4050 1.0 0.6 . TiO2 1.0 0.4 This composition has the same advantageous features as the composition of Example 1 and, in addition, provides improved bleaching performance.
It is understood that the foregoing detailed description is given merely by way of illustration and that variations may be made therein without departing from the spirit of the invention.
Claims (4)
1. A non-aqueous liquid laundry detergent composition comprising a liquid nonionic surfactant, a mono or polyfCg to C^Jalkylene glycol mono (Cj-Cg)alkyl ether, a water-soluble inorganic peroxide 10 bleaching agent, a bleach activator to lower the temperature at which the bleaching agent will liberate hydrogen peroxide in aqueous solution, and from about 0 01 to 0.45 percent by weight, based on the total composition, of an hydroxylamine salt capable of inhibiting the enzyme-induced decompositon of the bleaching agent, the enzyme being 15 present in the soiled fabrics.
2. A composition as claimed in Claim 1, wherein the bleaching agent is a perborate, percarbonate, perphosphate or a persulphate. 20 3. A composition as claimed in Claim 1 or Claim 2, wherein the hydroxylamine salt is hydroxylamine sulphate, hydroxylamine hydrochloride, or hydroxylamine hydrobromide. 4. A composition as claimed in Claim 1, 2 or 3, wherein the bleach 25 activator is N,H,W,M‘-tetraacetyl ethylene diamine. 5. A composition as claimed in any one of Claims 1 to 4, wherein the bleaching agent comprises sodium perborate monohydrate, the bleach activator is Ν,Ν,Η', Ν’-tetraacetyl ethylene diamine and the 30 hydroxylamine salt is hydroxylamine sulphate or hydroxylamine hydrdchloride and is present in an amount of from about 0.02 to 0.2%.
3. A composition substantially as herein disclosed with reference to Example 2.
4. 7. A method for cleaning and bleaching soiled fabrics which comprises contacting the soiled fabrics with a composition as claimed in any one of Claims 1 to 3. = 34 8. The method of Claim 7, wherein the aqueous wash bath has a temperature of 40°C or less
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71772685A | 1985-03-29 | 1985-03-29 |
Publications (2)
Publication Number | Publication Date |
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IE860858L IE860858L (en) | 1986-09-29 |
IE59109B1 true IE59109B1 (en) | 1994-01-12 |
Family
ID=24883214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE85886A IE59109B1 (en) | 1985-03-29 | 1986-04-02 | Liquid laundry detergent bleach composition |
Country Status (33)
Country | Link |
---|---|
JP (1) | JPH0742478B2 (en) |
KR (1) | KR930010379B1 (en) |
AU (1) | AU599017B2 (en) |
BE (1) | BE904510A (en) |
BR (1) | BR8601403A (en) |
CA (1) | CA1290639C (en) |
CH (1) | CH669604A5 (en) |
DE (1) | DE3609345C2 (en) |
DK (1) | DK164120C (en) |
EG (1) | EG17935A (en) |
ES (1) | ES8800978A1 (en) |
FI (1) | FI84279C (en) |
FR (1) | FR2579615B1 (en) |
GB (1) | GB2173224B (en) |
GR (1) | GR860853B (en) |
HK (2) | HK43492A (en) |
IE (1) | IE59109B1 (en) |
IL (1) | IL78322A (en) |
IN (1) | IN165971B (en) |
IT (1) | IT1190513B (en) |
LU (1) | LU86380A1 (en) |
MX (1) | MX162823B (en) |
MY (1) | MY100361A (en) |
NL (1) | NL8600798A (en) |
NO (1) | NO164551C (en) |
NZ (1) | NZ215582A (en) |
PH (1) | PH24806A (en) |
PT (1) | PT82266B (en) |
SE (1) | SE467623B (en) |
SG (1) | SG40392G (en) |
ZA (1) | ZA862003B (en) |
ZM (1) | ZM3486A1 (en) |
ZW (1) | ZW7186A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744916A (en) * | 1985-07-18 | 1988-05-17 | Colgate-Palmolive Company | Non-gelling non-aqueous liquid detergent composition containing higher fatty dicarboxylic acid and method of use |
IT1200285B (en) * | 1986-08-12 | 1989-01-12 | Mira Lanza Spa | NON-Aqueous LIQUID DETERGENT AND PROCEDURE FOR ITS MANUFACTURE |
US4772413A (en) * | 1986-08-28 | 1988-09-20 | Colgate-Palmolive Company | Nonaqueous liquid nonbuilt laundry detergent bleach booster composition containing diacetyl methyl amine and method of use |
NZ221555A (en) * | 1986-09-09 | 1989-08-29 | Colgate Palmolive Co | Detergent composition containing inorganic bleach and a liquid activator |
GB8625974D0 (en) * | 1986-10-30 | 1986-12-03 | Unilever Plc | Non-aqueous liquid detergent |
US5250212A (en) * | 1987-05-27 | 1993-10-05 | The Procter & Gamble Company | Liquid detergent containing solid peroxygen bleach and solvent system comprising water and lower aliphatic monoalcohol |
GB8713756D0 (en) * | 1987-06-12 | 1987-07-15 | Procter & Gamble | Liquid detergent |
US5269960A (en) * | 1988-09-25 | 1993-12-14 | The Clorox Company | Stable liquid aqueous enzyme detergent |
US4874537A (en) * | 1988-09-28 | 1989-10-17 | The Clorox Company | Stable liquid nonaqueous detergent compositions |
US4919834A (en) * | 1988-09-28 | 1990-04-24 | The Clorox Company | Package for controlling the stability of a liquid nonaqueous detergent |
US5275753A (en) * | 1989-01-10 | 1994-01-04 | The Procter & Gamble Company | Stabilized alkaline liquid detergent compositions containing enzyme and peroxygen bleach |
US5714449A (en) * | 1990-02-16 | 1998-02-03 | Unilever Patent Holdings B.V. | Non-aqueous liquid cleaning products which contain modified silica |
GB9222129D0 (en) * | 1992-10-21 | 1992-12-02 | Unilever Plc | Detergent composition |
GB0118932D0 (en) * | 2001-08-02 | 2001-09-26 | Unilever Plc | Improvements relating to laundry compositions |
ES2342594T3 (en) * | 2002-05-02 | 2010-07-09 | Basf Se | STABILIZED PRODUCTS FOR PERSONAL CARE AND HOUSEHOLD PRODUCTS. |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3606990A (en) * | 1970-02-12 | 1971-09-21 | Colgate Palmolive Co | Process for washing laundry and detergent composition for working of this process |
FR2094372A5 (en) * | 1970-06-18 | 1972-02-04 | Colgate Palmolive Co | |
US3953380A (en) * | 1970-10-28 | 1976-04-27 | Colgate-Palmolive Company | Liquid detergent |
FR2253823B1 (en) * | 1973-12-11 | 1977-06-10 | Colgate Palmolive Co | |
GB1600981A (en) * | 1977-06-09 | 1981-10-21 | Ici Ltd | Detergent composition |
ATE4818T1 (en) * | 1979-11-09 | 1983-10-15 | Unilever Nv | NON-AQUEOUS LIQUID DETERGENT COMPOSITION CONTAINING A SELICANT AND PROCESS FOR THE PREPARATION THEREOF. |
US4264466A (en) * | 1980-02-14 | 1981-04-28 | The Procter & Gamble Company | Mulls containing chain structure clay suspension aids |
DE3163946D1 (en) * | 1980-03-21 | 1984-07-12 | Unilever Nv | Bleaching detergent compositions |
GB8308508D0 (en) * | 1983-03-28 | 1983-05-05 | Ici Plc | Detergent compositions |
GB2158838B (en) * | 1984-04-06 | 1987-10-28 | Colgate Palmolive Co | Liquid bleaching laundry detergent composition |
ZA852201B (en) * | 1984-04-09 | 1986-11-26 | Colgate Palmolive Co | Liquid bleaching laundry detergent composition |
-
1985
- 1985-03-26 MX MX1993A patent/MX162823B/en unknown
-
1986
- 1986-03-18 ZA ZA862003A patent/ZA862003B/en unknown
- 1986-03-19 IN IN254/DEL/86A patent/IN165971B/en unknown
- 1986-03-20 DE DE3609345A patent/DE3609345C2/en not_active Expired - Fee Related
- 1986-03-24 NZ NZ215582A patent/NZ215582A/en unknown
- 1986-03-24 FI FI861258A patent/FI84279C/en not_active IP Right Cessation
- 1986-03-24 AU AU55088/86A patent/AU599017B2/en not_active Ceased
- 1986-03-25 NO NO861196A patent/NO164551C/en unknown
- 1986-03-25 SE SE8601364A patent/SE467623B/en not_active IP Right Cessation
- 1986-03-25 PT PT82266A patent/PT82266B/en not_active IP Right Cessation
- 1986-03-25 DK DK139386A patent/DK164120C/en not_active IP Right Cessation
- 1986-03-26 ES ES553489A patent/ES8800978A1/en not_active Expired
- 1986-03-26 ZW ZW71/86A patent/ZW7186A1/en unknown
- 1986-03-26 CH CH1253/86A patent/CH669604A5/de not_active IP Right Cessation
- 1986-03-26 BR BR8601403A patent/BR8601403A/en not_active IP Right Cessation
- 1986-03-27 GB GB8607655A patent/GB2173224B/en not_active Expired
- 1986-03-27 FR FR8604468A patent/FR2579615B1/en not_active Expired
- 1986-03-27 NL NL8600798A patent/NL8600798A/en not_active Application Discontinuation
- 1986-03-27 ZM ZM34/86A patent/ZM3486A1/en unknown
- 1986-03-27 CA CA000505269A patent/CA1290639C/en not_active Expired - Lifetime
- 1986-03-28 IT IT47838/86A patent/IT1190513B/en active
- 1986-03-28 IL IL78322A patent/IL78322A/en not_active IP Right Cessation
- 1986-03-28 KR KR1019860002321A patent/KR930010379B1/en not_active IP Right Cessation
- 1986-03-28 BE BE0/216469A patent/BE904510A/en not_active IP Right Cessation
- 1986-03-28 LU LU86380A patent/LU86380A1/en unknown
- 1986-03-29 JP JP61072371A patent/JPH0742478B2/en not_active Expired - Lifetime
- 1986-03-30 EG EG160/86A patent/EG17935A/en active
- 1986-03-31 PH PH33598A patent/PH24806A/en unknown
- 1986-03-31 GR GR860853A patent/GR860853B/en unknown
- 1986-04-02 IE IE85886A patent/IE59109B1/en not_active IP Right Cessation
-
1987
- 1987-09-28 MY MYPI87002041A patent/MY100361A/en unknown
-
1992
- 1992-04-13 SG SG403/92A patent/SG40392G/en unknown
- 1992-06-18 HK HK434/92A patent/HK43492A/en not_active IP Right Cessation
-
1994
- 1994-07-07 HK HK64094A patent/HK64094A/en not_active IP Right Cessation
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MM4A | Patent lapsed |