EP3444328A1 - Cleaning agent - Google Patents
Cleaning agent Download PDFInfo
- Publication number
- EP3444328A1 EP3444328A1 EP17186891.2A EP17186891A EP3444328A1 EP 3444328 A1 EP3444328 A1 EP 3444328A1 EP 17186891 A EP17186891 A EP 17186891A EP 3444328 A1 EP3444328 A1 EP 3444328A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- substrate
- cleaning agent
- pro
- fabrics
- 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.)
- Withdrawn
Links
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 239000007800 oxidant agent Substances 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims description 61
- 239000000203 mixture Substances 0.000 claims description 57
- 239000004744 fabric Substances 0.000 claims description 35
- 239000003054 catalyst Substances 0.000 claims description 33
- 239000007844 bleaching agent Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 14
- 239000002736 nonionic surfactant Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 9
- 239000003945 anionic surfactant Substances 0.000 claims description 6
- 239000010954 inorganic particle Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 102000004190 Enzymes Human genes 0.000 claims description 4
- 108090000790 Enzymes Proteins 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims 6
- SCKXCAADGDQQCS-UHFFFAOYSA-N Performic acid Chemical compound OOC=O SCKXCAADGDQQCS-UHFFFAOYSA-N 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- -1 pentafluorophenyl ester Chemical class 0.000 description 56
- 150000002191 fatty alcohols Chemical class 0.000 description 15
- 239000003795 chemical substances by application Substances 0.000 description 14
- 239000000975 dye Substances 0.000 description 14
- 239000011572 manganese Substances 0.000 description 13
- 239000003446 ligand Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 10
- 239000002689 soil Substances 0.000 description 9
- 230000003213 activating effect Effects 0.000 description 8
- 229910021653 sulphate ion Inorganic materials 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000003086 colorant Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000011324 bead Substances 0.000 description 6
- 125000000524 functional group Chemical group 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910016887 MnIV Inorganic materials 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 229910001914 chlorine tetroxide Inorganic materials 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910016884 MnIII Inorganic materials 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229920001661 Chitosan Polymers 0.000 description 3
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
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- 235000010980 cellulose Nutrition 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- MMIPFLVOWGHZQD-UHFFFAOYSA-N manganese(3+) Chemical compound [Mn+3] MMIPFLVOWGHZQD-UHFFFAOYSA-N 0.000 description 3
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- WLDGDTPNAKWAIR-UHFFFAOYSA-N 1,4,7-trimethyl-1,4,7-triazonane Chemical compound CN1CCN(C)CCN(C)CC1 WLDGDTPNAKWAIR-UHFFFAOYSA-N 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 239000001263 FEMA 3042 Substances 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- NQTADLQHYWFPDB-UHFFFAOYSA-N N-Hydroxysuccinimide Chemical class ON1C(=O)CCC1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 description 2
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 2
- 229910000071 diazene Inorganic materials 0.000 description 2
- 229960004132 diethyl ether Drugs 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 2
- 238000007046 ethoxylation reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000004005 microsphere Substances 0.000 description 2
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- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002304 perfume Substances 0.000 description 2
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 2
- 229920000083 poly(allylamine) Polymers 0.000 description 2
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- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 229940079877 pyrogallol Drugs 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 2
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- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
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- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
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- YRNNKGFMTBWUGL-UHFFFAOYSA-L copper(ii) perchlorate Chemical compound [Cu+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O YRNNKGFMTBWUGL-UHFFFAOYSA-L 0.000 description 1
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- 230000006866 deterioration Effects 0.000 description 1
- RNOJZAYWQCKGRK-UHFFFAOYSA-N diazene hydrochloride Chemical compound Cl.N=N RNOJZAYWQCKGRK-UHFFFAOYSA-N 0.000 description 1
- ZLFRJHOBQVVTOJ-UHFFFAOYSA-N dimethyl hexanediimidate Chemical compound COC(=N)CCCCC(=N)OC ZLFRJHOBQVVTOJ-UHFFFAOYSA-N 0.000 description 1
- FRTGEIHSCHXMTI-UHFFFAOYSA-N dimethyl octanediimidate Chemical compound COC(=N)CCCCCCC(=N)OC FRTGEIHSCHXMTI-UHFFFAOYSA-N 0.000 description 1
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- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000003752 hydrotrope Substances 0.000 description 1
- 150000002463 imidates Chemical class 0.000 description 1
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- 239000004615 ingredient Substances 0.000 description 1
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 1
- 229960000367 inositol Drugs 0.000 description 1
- NGLYWWPBKJFWRP-UHFFFAOYSA-L iron(2+) N-pyridin-2-ylpyridin-2-amine diperchlorate Chemical compound [Fe+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.C=1C=CC=NC=1NC1=CC=CC=N1.C=1C=CC=NC=1NC1=CC=CC=N1.C=1C=CC=NC=1NC1=CC=CC=N1 NGLYWWPBKJFWRP-UHFFFAOYSA-L 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 229960001375 lactose Drugs 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 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
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical class O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 239000011683 manganese gluconate Substances 0.000 description 1
- 229940072543 manganese gluconate Drugs 0.000 description 1
- 235000014012 manganese gluconate Nutrition 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- OXHQNTSSPHKCPB-IYEMJOQQSA-L manganese(2+);(2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanoate Chemical compound [Mn+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O OXHQNTSSPHKCPB-IYEMJOQQSA-L 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- HTEAGOMAXMOFFS-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C HTEAGOMAXMOFFS-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000005342 perphosphate group Chemical group 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- RDBMUARQWLPMNW-UHFFFAOYSA-N phosphanylmethanol Chemical compound OCP RDBMUARQWLPMNW-UHFFFAOYSA-N 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- HEBKCHPVOIAQTA-ZXFHETKHSA-N ribitol Chemical compound OC[C@H](O)[C@H](O)[C@H](O)CO HEBKCHPVOIAQTA-ZXFHETKHSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 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
- 125000001425 triazolyl group Chemical group 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 125000005500 uronium group Chemical group 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 239000001018 xanthene dye Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
- C11D17/046—Insoluble free body dispenser
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0021—Dye-stain or dye-transfer inhibiting compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
-
- C11D2111/12—
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)
Abstract
A cleaning agent comprising a supporting substrate with a pro-oxidizing agent immobilized thereof.
Description
- The present invention is in the field of cleaning. It relates to a cleaning agent, in particular, a cleaning agent comprising a supporting substrate with a pro-oxidizing agent immobilized thereon. The invention also relates to a cleaning kit comprising the cleaning agent and a method of cleaning using the kit. The invention provides better cleaning by decolourising the wash liquor, avoiding soil re-deposition and preventing and/or reducing malodour while caring for the surface cleaned.
- When cleaning a surface by immersion in a wash liquor, dirt goes from the surface to be cleaned to the liquor. Dirt encompasses stains, soils, malodours, bacteria, etc. Dirt can be redeposited onto the surface being cleaned. There can also be transfer of colour from the surface being cleaned to the liquor. Colour bleeding can occur during the cleaning of a surface with a wash liquor. During the cleaning process dyes can migrate from the surface to the wash liquor. These dyes can be deposited onto other surfaces immersed in the wash liquor impairing on the appearance of the surface, similarly colours coming from stains can also be deposited onto the surface being cleaned. This can be more apparent in the case of laundry loads containing white fabrics. The white fabrics tend to become greyish when washed in the presence of fabrics that are not completely white. Dyes in the wash liquor can also contribute to colour deterioration of coloured fabrics. Soils, stains, bacteria, malodours removed from the fabrics can also being re-deposited on the fabrics in detriment of the cleaning process.
- In the case of mixed laundry loads, i.e. loads containing coloured and white fabrics, high level of bleach cannot always be used because it could alter the colours of coloured fabrics. This can also be the case when cleaning patterned hard-surfaces.
- The object of the present invention is to provide improved cleaning and at the same time protect the colour of surfaces. In particular, to provide cleaning while caring for the colours of coloured fabrics and prevent the greying of white fabrics in mixed loads as well as preventing and/or reducing malodours and soil re-deposition.
- According to the first aspect of the invention, there is provided a cleaning agent. The cleaning agent comprises a pro-oxidizing agent immobilized on a supporting substrate.
- A "cleaning agent" within the meaning of the invention is an agent that can be used in a cleaning process to contribute to the cleaning on its own but preferably in combination with a cleaning composition.
- A "supporting substrate" within the meaning of the invention is any substrate capable of having an oxidoreductase mediator immobilized on its surface.
- An "pro-oxidizing agent" is an agent that can perform oxidation after it has been activated. It can be activated chemically, photochemically, enzymatically, etc. to a form that will oxidize or react with dyes to alter the color of the dye. It can also help to reduce and or prevent soil re-deposition and malodour and additionally it can prevent bacteria growth in the wash liquor. The object of this invention is to promote dye decolourization, soil re-deposition and malodour in the wash liquor while caring for the surface being cleaned. This is achieved by immobilizing a pro-oxidizing agent on a substrate. The transfer of oxidising species would take place in the wash liquor and not on the surface to be cleaned, this would result in a cleaner wash liquor that would be translated into cleaner surfaces without exposing the surface to the chemical aggression that mediators can present.
- Colour bleed can occur when fabrics, or any other surfaces, get wet and dye leaches out of the fibers. This commonly occurs in the washing machine and can result in colour transfer between items in the load.
- There are two different ways to attack a dye, chemically, to remove its colour. One is by oxidation, in which electrons are removed, while the other is by reduction, in which electrons are added.
- Chromophores cause colours by reflecting a certain portion of the visible spectrum of light. For example, a blue fabric contains chromophores that reflect blue light that our eyes see as the colour blue.
- An oxidizing agent works by breaking the chemical bonds of a chromophore (part of a molecule that has colour). This changes the molecule so that it either has no colour or else reflects colour outside the visible spectrum.
- A reducing agent works by changing the double bonds of a chromophore into single bonds. This alters the optical properties of the molecule, making it colourless.
- The pro-oxidizing agent is immobilised onto a supporting substrate. The immobilization of the pro-oxidizing agent makes the oxidation to take place where the agent is located rather than on the fabrics. As discussed before this results in better cleaning while caring for the cleaned surfaces. This differs from a traditional cleaning process where the oxidation/reduction takes place on the surface to be cleaned.
- Preferably the pro-oxidizing agent is selected from the group consisting of bleach catalyst, photobleach and a mixture thereof. A bleach catalyst is the preferred pro-oxidizing agent.
- The pro-oxidizing agent can be immobilized on the substrate but any means, physical or chemical means. It is preferably immobilised on the substrate by means of chemical bond. The substrate can be selected from the group consisting of fabrics, non-woven materials, plastics and inorganic particles. In particular, substrates in the form of a tri-dimensional hollow body that favours the flow of wash liquor through it are preferred herein. Plastic substrates in the form of a tri-dimensional hollow body are prefer for use herein. Preferably, the pro-oxidizing agent is immobilized on the inside of the hollow body, this further prevents the interaction of the oxidizing agent with the surface to be cleaned. Also preferred are inorganic particles having a large surface area such as zeolites.
- According to a second aspect of the invention, there is provided a cleaning kit comprising a cleaning composition and the cleaning agent of the invention. According to a third aspect of the invention, there is provided a method for cleaning a surface comprising contacting the surface with a wash liquor, the wash liquor comprising a cleaning composition comprising a pro-oxidizing agent and the cleaning agent of the invention. The method of the invention is applicable to any type of surfaces, including hard surfaces and soft surfaces. The method of the invention is especially suitable for the cleaning of fabrics, in particular for the cleaning of fabrics of mixed colours. According to a fourth aspect of the invention, there is provided the use of the cleaning agent of the invention for cleaning a surface comprising immersing the surface in a wash liquor to reduce dye transfer in the wash liquor. A preferred use of the cleaning agent of the invention is a laundry process. In particular when a load comprising white fabrics are subjected to a laundry process, more in particular when the load comprises fabrics of more than one colour, or fabrics of different colours. The cleaning agent contributes to better cleaning and avoids greying of white fabrics and protects the colour of coloured fabrics.
- The elements of the cleaning agent of the invention described in connection with the first aspect of the invention apply mutatis mutandis to the other aspects of the invention.
- The present invention envisages a cleaning agent comprising a supporting substrate with a pro-oxidizing agent immobilized on the substrate, a cleaning kit comprising the cleaning agent, a method of cleaning using a cleaning composition and the cleaning agent and the use of the cleaning agent in a cleaning process for cleaning surfaces by immersing the surfaces in a wash liquor, preferably the use of the cleaning agent of the invention in the laundry of fabrics, in particular when the laundry load comprises white fabrics, more in particular when the load further comprises other colours on the fabrics, either in the same piece of fabric or in different pieces of fabric. The cleaning agent of the invention prevents dye transfer, thereby keeping the white fabrics whiter than if there were cleaned in the absence of the cleaning agent. The cleaning agent can also contribute to reduction and/or prevention of soil re-deposition and malodour. It might additionally prevent bacterial growth. All this would be translated in better cleaning and care for the cleaned surface.
- As used herein, articles, for example, "a" and "an" when used in a claim, are understood to mean one or more of what is claimed or described.
- Immobilisation of the pro-oxidizing agent on the substrate can be achieved by any means. Immobilisation can be achieved via chemical means including covalent, ionic, hydrogen, polar bonds; or non-chemical means such as absorption and entrapment.
- Immobilisation of the pro-oxidizing agent on the substrate may be achieved by direct treatment of the substrate with the pro-oxidizing agent. Alternatively the substrate can be initially treated with at least one activating agent in order to modify the chemical properties at the surfaces of the substrate in order that the modified substrate may subsequently be treated with at least one pro-oxidizing agent in order to facilitate immobilisation of the agent.
- The activated substrate can then be further treated with a linking agent which facilitates attachment of the pro-oxidizing agent by means of a covalent bond.
- Activation of the surface may also be achieved by the use of physical agents, such as heat or electromagnetic radiation, e.g. ultra-violet radiation or microwave radiation prior to reaction with a linking agent.
- Suitable linking agents may include glutaraldehyde, or may be selected from, for example, typical crosslinking agents such as dimethyl adipimidate, dimethyl suberimidate, pentafluorophenyl ester, hydroxymethyl phosphine, imidoesters and N-hydroxysuccinimide esters.
- Other suitable linking agents include, for example:
- N-Hydroxysuccinimide (NHS) and N-(3-Dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDC);
- Acylimidazoles (e.g. Carbonyl Diimidazole (CDI) and N,N'-carbonylbis(3- methylimidazolium) triflate (CBMIT);
- Phosphonium salts (e.g. benzotriazol-1-yl-oxy-tris-(dimethylamino)-phosphonium hexafluorophosphate (BOP);
- Uronium salts (e.g. 0-((ethoxycarbonyl)cyanomethylene amino)-N,N,N',N'- tetramethyl-uronium tetrafluoroborate (TOTU); and
- Mukaiyama's reagent (2-chloro-1-methylpyridinium iodide).
- Alternatively, embodiments utilising activating agents may include the treatment of polymeric particles incorporating polar groups, including for example Nylon 6,6 or poly(ethylene terephthalate), initially with a polar group-containing material - such as, for example, gelatin, starch, cellulose, chitosan, chitan, carboxymethylcellulose, poly(vinylimidazoles), poly(acrylic acid), poly(methacrylic acid), poly (lactic acid), poly(maleic acid), poly(glycolic acid), poly(acrylonitrile), poly(vinylpyrrolidone), poly(dimethylaminoethyl methacrylate), poly(ethylene imine), poly(allylamine), poly(allylamine) hydrochloride, poly(ethylene glycol), poly(propylene glycol), poly(acrylamide), polyvinyl alcohol), polyvinyl acetate), polyvinyl formamide), poly(vinylamine), amine-containing molecules (including biomolecules such as proteins), carboxylic acids such as maleic acid and itaconic acid, and carboxylic acid-containing polymers, as well as derivatives and copolymers of all the foregoing - wherein ionic interactions are formed between the polymer particles and a layer of the polar group-containing material, and subsequently with the mediator wherein further ionic interactions are established between the layer of polar group-containing material and the layer of mediator.
- Optionally, embodiments utilising at least one activating agent may comprise multiple treatments with the at least one activating agent and/or multiple subsequent treatments or reactions with the at least one mediator. Said embodiments, which rely on ionic interactions, do not require the use of a linker.
- Porous substrates are preferred for use herein.
- A variety of materials that can be used as substrate for immobilization of the pro-oxidizing agent include cellulose, polystyrene, alkylamine glass beads through covalent coupling, cation exchange resin, photographic gelatin, plastic supports, agar gel, acrylonitrile/acrylamide membranes, poly(2-hydroxyethyl methacrylate) microspheres, poly (methyl methacrylate-acrylic acid) microspheres, polyacrylamide gel, glass beads, sodium alginate beads, superporous celbeads, polyster surface free and affixed alkyl and arylamine glass beads, alginate gel beads, cyclic carbonate bearing hybrid materials, cellulose fibre materials and cellulose-coated magnetite (CCM) nanoparticles.
- Other materials suitable as substrate for immobilization of the pro-oxidizing agent include polyurethane foam, tri(4-formyl phenoxy) cyanurate, polyacrylamide-acrylic gel, acrylamide grafted acrylonitrile copolymer (PAN), chemically modified pumic particles, nanofibrous poly (vinyl alcohol) PVA, passive epoxy acrylate films modified by magnetic filtered plasma stream, silicate clay mineral, modified polyvinyl alcohol coated chitosan beads, loofa sponge, liposomes, brick dust via glutaraldehyde and silicon wafers of amino terminated surface.
- Other suitable substrates for immobilization of the pro-oxidizing agents are particles, preferably selected from inorganic particles, however, some organic particles can also be used. A suitable supporting substrate herein is selected from the group consisting of a silica particle, a zeolite, an aluminum oxide, an organic polymer having either a carboxyl or an amino group, and a mixture thereof. These organic polymers are, preferably, selected from the group consisting of a polyacrylic acid, a polymaleic acid, a poly peptide, chitosan and a mixture thereof. Preferably, the supporting substrate has a median particle size (as measured as the diameter of the particle) of from about 1 nanometer to about 10 micrometers, more preferably, from about 1 nanometer to about 1 micrometer and even more preferably, the supporting substrate is selected from a silica having a particle size of from about 5 nanometers to about 1 micrometer. The median particle size is measured by SEM (Scanning Electron Microscope). A highly preferred silica is SiOx (MN1P, which is provided by Zhou Shan Ming Ri Nano Material Company (Zhejiang Province, China). Other preferred supporting substrates are described in
PCT patent publication No. WO 90/04181 - When an inorganic particle is selected as the substrate, it must be modified by a linking molecule before being activated. Any compounds which can provide the substrate with either carboxyl and/or amino groups can be used as a linking molecule herein. A suitable linking molecule is a silane linking molecule, preferably the structure of the silane molecule is R1-(CH2)n1-Si(O(CH2)n2CH3)3, wherein R1 is selected from -COOH or -NH2; n1 is from about 1 to about 16, preferably from about 3 to about 8; n2 is from about 0 to about 10, preferably from about 0 to about 4. A preferred linking molecule for use herein is 3-aminopropyltriethoxysilane (APS). The weight ratio of the linking molecule to the substrate is preferably from about 0.001:1 to about 10:1, and more preferably from about 0.1:1 to about 5:1. Other linking molecules useful herein are described in
U.S. Pat. No. 6,004,786 to Yamashita, et al., issued Dec. 21, 1999 . - The linking molecule modifies the substrate to connect the substrate and the pro-oxidizing agent. In some instances, it is preferred to add a functional group introducer together with the linking molecule to the substrate. A preferred functional group introducer is a carboxylic group introducer or an amino group introducer, more preferably a carboxylic group introducer such as a carboxylic acid anhydride. It is conceivable that the linking molecule itself may sometimes work as the functional group introducer. For example, when selecting carboxylic silane as the linking molecule, an additional functional group introducer is not necessary.
- The modification of the substrate by the linking molecule or functional group introducer can be accomplished by mixing the substrate with the linking molecule with functional group introducer into a common organic solvent such as toluene, and re-fluxing for from about 4 hours to about 7 hours, preferably about 6 hours. The refluxed mixture is extracted by filtration, washed with ethanol and dried at about 30° C to about 70° C, preferably from about 45° C to about 55° C, for 20 minutes. The mixture is preferably kept in the vacuum dry container until being applied to next step.
- Preferred carboxylic acid anhydrides are selected from the group consisting of a succinic anhydride, a maleic anhydrides, or a mixture thereof. In order to link a carboxyl group onto the substrate, the substrate is usually dissolved in organic solvents, preferably, a mixture of pyridine and anhydrous diethylether, and is mixed with a carboxylic acid anhydride at 25° C, for 17 hours. After mixing, the mixture is extracted by filtration and washed with organic solvents, preferably, anhydrous diethylether is used.
- After the substrate has been modified, an activating molecule activates the substrate to connect or entrap a mediator onto the substrate. The activation can be performed by adding an activating molecule to the activated substrate and stirring together for from about 30 minutes to about 60 minutes, at 4° C. A preferable activating molecule for use herein is a water soluble carbon diimide. More preferably, the water soluble carbon diimide is selected from the group consisting of ethyl-3-(3-dimethyaminopropyl)-carbon diimide hydrochloride (EDC), a succinimide, and a mixture thereof. The weight ratio of the activating molecule to the substrate is preferably from about 0.01:1 to about 1:1, more preferably, from about 0.05:1 to about 0.5:1. After the substrate is activated, the supporting substrate is isolated by centrifuging the sample and decanting the supernatant.
- A suitable way to immobilize the pro-oxidizing agent can be coating the substrate with polyphenol. The coating can be formed on diverse material surfaces under mild aqueous conditions. Examples of polyphenols include tannic acid, pyrogallol, pyrogallol 2-aminoethane, dopamine, etc, tannic acid is preferred for use herein.
- The substrate can have any configuration but it would preferably have a configuration that promotes the contact between the pro-oxidizing agent and the wash liquor and avoid the contact with the surface to be cleaned. Preferably, the substrate will be a tri-dimensional hollow body and the pro-oxidizing agent would be placed on the inside of the hollow body. Other preferred substrates for use herein are insoluble particles in which the mediator has been immobilized on the internal surface of the particle. Zeolites are preferred for use herein. Non-woven substrates are also preferred for use herein.
- Preferred pro-oxidizing agents are selected from bleach catalyst, photobleach and a mixture thereof. Bleach catalyst being specially preferred for use herein.
- One type of bleach catalyst is a metal-containing bleach catalyst comprising a transition metal cation of defined bleach catalytic activity, such as: copper, iron, nickel, chromium, titanium, ruthenium, tungsten, molybdenum, or manganese cations. Suitable bleach catalysts include the manganese-based complexes. Preferred examples of these catalysts include MnIV 2 (u-O)3(1,4,7-trimethyl-1,4,7-triazacyclononane)2-(PF6)2 (often referred to simply as MnTACN), MnIII 2(u-O)1(u-OAC)2 (1 ,4,7-trimethyl-1,4,7-triazacyclononane)2-(ClO4)2, MnIV 4 (u-O)6(1 ,4,7-triazacyclononane)2-(ClO4)2, MnIIIMnIV 4(u-O)1(u-OAc)2-(1,4,7-trimethyl-1,4,7-triazacyclononane)2-(ClO4)3, and mixtures thereof. Other ligands suitable for use herein include 1,5,9-trimethyl-1,5,9-triazacyclododecane, 2-methyl-1,4,7-triazacyclononane, and mixtures thereof.
- Still another type of bleach catalyst is a water-soluble complex of manganese (II), (III), and/or (IV) with a ligand which is a noncarboxylate polyhydroxy compound having at least three consecutive C-OH groups. Preferred ligands include sorbitol, iditol, dulsitol, mannitol, xylitol, arabitol, adonitol, meso-erythritol, meso-inositol, lactose, and mixtures thereof.
-
- Other suitable bleach catalysts comprise a complex of transition metals, including Mn, Co, Fe, or Cu, with a non-(macro)-cyclic ligand. Said ligands are of the formula:
- Other examples include Mn gluconate, Mn(CF3SO3)2, Co(NH3)5Cl, and the binuclear Mn complexed with tetra-N-dentate and bi-N-dentate ligands, including N4MnIII(u-O)2MnIVN4) and [Bipy2MnIII(u-O) 2MnIVbipy2]-(ClO4)3.
- The bleach catalysts may also be prepared by combining a water-soluble ligand with a water-soluble manganese salt in aqueous media and concentrating the resulting mixture by evaporation. Any convenient water-soluble salt of manganese can be used herein. Manganese (II), (III), (IV) and/or (V) is readily available on a commercial scale.
- Other bleach catalysts are described, for example, in European patent application, publication no.
408,131 384,503 306,089 U.S. Pat. No. 4,728,455 (manganese/multidentate ligand catalyst),U.S. Pat. No. 4,711,748 and European patent application publication no.224,952 U.S. Pat. No. 4,601,845 (aluminosilicate support with manganese and zinc or magnesium salt),U.S. Pat. No. 4,626,373 (manganese/ligand catalyst),U.S. Pat. No. 4,119,557 (ferric complex catalyst), German Pat. specification2,054,019 (cobalt chelant catalyst) Canadian866,191 (transition metal-containing salts),U.S. Pat. No. 4,430,243 (chelants with manganese cations and non-catalytic metal cations), andU.S. Pat. No. 4,728,455 (manganese gluconate catalysts). - Another example of a metal catalyst suitable for the present invention is described in
U.S. Pat. No. 6,528,469 .U.S. Pat. No. 6,528,469 describes certain other manganese compounds that are also excellent bleach catalysts for peroxy compounds and, relative to known bleach catalysts, provide enhanced bleach effects at low wash temperatures (e.g. at 15 to 40° C.) and/or using shorter washing times. The peroxy compounds may be produced by known methods, e.g. by the methods analogous to those disclosed inU.S. Pat. No. 4,655,785 relating to similar copper compounds. - Other catalysts, such as Fe, Ni, Cr, Cu, etc. could be employed. In addition,
U.S. Pat. No. 6,093,343 describes various cobalt catalysts that could be used in the present invention. - Photobleaches are suitable pro-oxidizing agents for use herein, for example sulfonated zinc phthalocyanine sulfonated aluminium phthalocyanines, xanthene dyes, thioxanthones, and mixtures thereof. The photo bleaches are activated by light.
- A cleaning agent comprising a bleach castalyst is preferably used in combination with a cleaning composition comprising a peroxygen source. The peroxygen source is generally present in the composition in an amount of from about 0.01 to about 5%, more preferably from about 0.5 to about 2% by weight of the composition.
- The amounts of peroxygen source and bleach catalyst may be selected such that the molar ratio of available oxygen (from the peroxide source) to bleach catalyst is from 1:1 to 35:1, or even 2:1 to 10:1.
- Sources of peroxygen include inorganic perhydrate salts, including alkali metal salts such as sodium salts of perborate (usually mono- or tetra-hydrate), percarbonate, persulphate, perphosphate, persilicate salts and mixtures thereof.
- The cleaning composition of the present invention is suitable for the cleaning of any type of surfaces when the cleaning involves the immersion of the surface in a wash liquor. The cleaning composition is suitable for use in hard surfaces and soft surfaces. It is particularly useful for use in laundry.
- The cleaning composition of the present invention would comprise the customary ingredients for the cleaning process, such as surfactants and builders. The cleaning composition would preferably comprise components which can be combined under the term cleaning aids and which comprise different active ingredient groups such as foam regulators and enzymes. The composition can comprise a low level of a source of peroxygen, in particular when the cleaning agent comprises a bleach catalyst. The composition, especially when the composition is for use in laundry, can comprise cleaning auxiliaries including substances which are intended to prevent dyed textiles from causing a change in colour impression after the wash (dye transfer inhibitors). This colour change of washed, i.e. clean, textiles can be due to the fact that dye components are removed from the fabric ("fading") by the washing process, and on the other hand, dyestuffs released from differently coloured fabrics can be deposited on the textile ("discolouring"). Other cleaning auxiliaries include electrolytes, pH regulators and in the case of compositions for use in laundry, optical brightener, dye transfer inhibitors, fragrances, etc.
- The composition preferably contains a surfactant or a plurality of surfactants, particularly anionic surfactants, nonionic surfactants and mixtures thereof, but it can also comprise cationic, zwitterionic and amphoteric surfactants.
- Preferably the composition of the invention is a laundry cleaning composition. A laundry cleaning composition is any composition suitable to be used in a fabric laundering operation. The laundry cleaning composition may be in the form of a powder, a liquid or a mixture thereof.
- The cleaning composition may comprise between 10% and 60%, preferably between 15% and 55%, more preferably between 20% and 50%, most preferably between 25% and 45% by weight of the composition of a surfactant system. Preferably, the surfactant system comprises a non-soap surfactant. Preferably, the surfactant system comprises an anionic surfactant and optionally a non-ionic surfactant. More preferably, the weight ratio of anionic surfactant to non-ionic surfactant is from 1:2 to 20:1, preferably from 1:1 to 15:1, more preferably from 1.5:1 to 10:1, most preferably from 5:1 to 10:1.
- The non-soap anionic surfactant is preferably selected from sulphate or sulphonate anionic surfactants or mixtures thereof, preferably linear alkylbenzene sulphonate, alkyl sulphate, alkoxylated alkyl sulphate or a mixture thereof. Preferably, the alkoxylated alkyl sulphate is an ethoxylated alkyl sulphate preferably with an average degree of ethoxylation of between 0.5 and 4, preferably between 1 and 4, more preferably between 2 and 4, most preferably about 3.
- Preferably, the weight ratio of linear alkylbenzene sulphonate to alkoxylated alkyl sulphate is between 15:1 and 1:3, preferably 10:1 and 1:2, more preferably 5:1 and 1:1, even more preferably 3:1 and 1:1, most preferably 2:1 and 1:1.
- The non-ionic surfactant may be selected from a fatty alcohol alkoxylate, an oxosynthesised fatty alcohol alkoxylate, Guerbet alcohol alkoxylates, alkyl phenol alcohol alkoxylates, alkyl polyglucoside or a mixture thereof. Preferably, the non-ionic surfactant comprises a fatty alcohol ethoxylate non-ionic surfactant. Even more preferably the nonionic surfactant consists of a fatty alcohol ethoxylate surfactant.
- Suitable fatty alcohol ethoxylate nonionic surfactants include the condensation products of aliphatic alcohols with from 1 to 25 moles of ethylene oxide. The alkyl chain of the aliphatic alcohol can either be straight or branched, guerbet, primary or secondary, and generally contains from 8 to 22 carbon atoms. The starting alcohol can be naturally derived, e.g. starting from natural oils, or synthetically derived, e.g. alcohols obtained from for example oxo-, modified oxo- or Fischer-Tropsch processes. Examples of oxo-process derived fatty alcohols include the Lial and Isalchem 5 fatty alcohols ex Sasol company and Lutensol fatty alcohols ex BASF company.
- Examples of modified-oxo process derived fatty alcohols include the Neodol fatty alcohols ex Shell company. Fischer-Tropsch derived fatty alcohols include Safol fatty alcohols ex Sasol company. The alkoxylate chain of fatty alcohol ethoxylates is made up solely of ethoxylate groups. Preferably, the fatty alcohol ethoxylate non-ionic surfactant comprises on average 10 between 8 and 18, more preferably between 10 and 16 even more preferably between 12 and 15 carbon atoms in the alcohol carbon chain, and on average between 5 and 12, preferably between 6 and 10, more preferably between 7 and 8 ethoxy units in the ethoxylation chain. Preferably, the weight ratio of linear alkylbenzene sulphonate to non-ionic surfactant is between 2:1 to 20:1 preferably 2:1 and 10:1; more preferably 5:1 and 10:1.
- Preferably, the weight ratio of alkoxylated alkyl sulphate to non-ionic surfactant is between 2:1 and 20:1 preferably between 2:1 and 10:1 more preferably between 2:1 and 5:1. Preferably, the weight ratio of linear alkylbenzene sulphonate to fatty alcohol ethoxylate non-ionic surfactant is between 2:1 to 20:1 preferably 2:1 and 10:1; more preferably 5:1 and 10:1. Preferably, the weight ratio of alkoxylated alkyl sulphate to fatty alcohol ethoxylate nonionic surfactant is between 2:1 and 20:1 preferably between 2:1 and 10:1 more preferably between 2:1 and 5:1.
- The cleaning composition may comprise polymers, preferably selected from alkoxylated, preferably ethoxylated polyethyleneimine, alkoxylated polyalkyl phenol, a polyester terephthalate, hydroxyethylcellulose, preferably quaternized hydroxyethylcellulose, a carboxymethylcellulose or a mixture thereof.
- The cleaning composition may comprise an adjunct material, wherein the adjunct material is preferably selected from cleaning polymers, soil suspension polymers, surface modifying polymers, builders, chelants, dispersants, enzymes, enzyme stabilizers, catalytic materials, bleach, bleach activators, polymeric dispersing agents, anti-redeposition agents, suds suppressors, aesthetic dyes, opacifiers, perfumes, perfume delivery systems, structurants, hydrotropes, rheology modifiers, processing aids, pigments and mixtures thereof. Having an adjunct material in the composition provides good overall cleaning, soil suspension and whiteness or colour brightness profile of the fabric to be treated.
- The dimensions and values disclosed herein are not to be understood as being strictly limited to the exact numerical values recited. Instead, unless otherwise specified, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value. For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm".
Claims (15)
- A cleaning agent comprising a supporting substrate with a pro-oxidizing agent immobilized thereof.
- A cleaning agent according to claim 1 wherein the pro-oxidizing agent is selected from the group consisting of bleach catalyst, photobleach and a mixture thereof.
- A cleaning agent according to any of claims 1 or 2 wherein the pro-oxidizing agent is immobilised on the substrate by means of chemical bond.
- A cleaning agent according to any preceding claims wherein the substrate is selected from the group consisting of fabrics, non-woven materials, plastics and inorganic particles.
- A cleaning agent according to any of the preceding claims wherein the substrate is a tri-dimensional hollow body wherein the mediator is immobilised on the surface of the hollow body.
- A cleaning agent according to any of claims 1 to 4 wherein the substrate is a non-woven substrate.
- A cleaning kit comprising:i) a cleaning composition; andii) a cleaning agent according to any of the preceding claims.
- A cleaning kit according to the preceding claim wherein the cleaning composition comprises from 0.01% to 5% by weight of the composition of a peroxygen source and the cleaning agent comprises a bleach catalyst.
- A cleaning kit according to the preceding claim wherein the peroxygen source is selected from the group consisting of hydrogen peroxide, a hydrogen peroxide precursor, a hydrogen peroxide generating enzyme system, or a peroxycarboxylic acid or a salt thereof and a mixture thereof.
- A cleaning kit according to any of claims 7 to 9 wherein the cleaning composition comprises a surfactant system comprising an anionic surfactant and preferably a non-ionic surfactant.
- A method for cleaning a surface comprising immersing the surface into a wash liquor, the wash liquor comprising a cleaning kit according to any of claims 7 to 10.
- A method for doing laundry in a washing machine according to the preceding claim.
- Use of a cleaning agent according to any of claims 1 to 6 for the cleaning of a surface comprising immersing the surface into a wash liquor to reduce dye transfer in the wash liquor.
- Use according to the preceding claim wherein the cleaning process is the laundry of fabrics.
- Use according to the preceding claim wherein the fabrics comprise mixed colour fabrics.
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CN114423852A (en) * | 2019-10-08 | 2022-04-29 | 宝洁公司 | Method for washing fabrics |
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