EP3559190A1 - Aqueous foaming detergent composition with increased foam dwell time and moistening content - Google Patents
Aqueous foaming detergent composition with increased foam dwell time and moistening contentInfo
- Publication number
- EP3559190A1 EP3559190A1 EP16823004.3A EP16823004A EP3559190A1 EP 3559190 A1 EP3559190 A1 EP 3559190A1 EP 16823004 A EP16823004 A EP 16823004A EP 3559190 A1 EP3559190 A1 EP 3559190A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkyl
- composition
- detergent composition
- foaming detergent
- iminodiglycinate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 410
- 239000003599 detergent Substances 0.000 title claims abstract description 241
- 238000005187 foaming Methods 0.000 title claims abstract description 228
- 239000006260 foam Substances 0.000 title claims description 95
- 239000004094 surface-active agent Substances 0.000 claims abstract description 81
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 48
- -1 C1-C3-dialkylamino acetate Chemical compound 0.000 claims abstract description 39
- 239000002904 solvent Substances 0.000 claims abstract description 25
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 23
- 150000008051 alkyl sulfates Chemical class 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 98
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 81
- 238000000034 method Methods 0.000 claims description 74
- 239000002689 soil Substances 0.000 claims description 68
- 239000007788 liquid Substances 0.000 claims description 64
- 150000001298 alcohols Chemical class 0.000 claims description 50
- 238000004140 cleaning Methods 0.000 claims description 50
- 229920005646 polycarboxylate Polymers 0.000 claims description 31
- DTGPXJDZAMYHMM-UHFFFAOYSA-N 2-[2-(carboxymethylamino)hydrazinyl]acetic acid Chemical compound OC(=O)CNNNCC(O)=O DTGPXJDZAMYHMM-UHFFFAOYSA-N 0.000 claims description 21
- TXPKUUXHNFRBPS-UHFFFAOYSA-N 3-(2-carboxyethylamino)propanoic acid Chemical compound OC(=O)CCNCCC(O)=O TXPKUUXHNFRBPS-UHFFFAOYSA-N 0.000 claims description 18
- 239000003752 hydrotrope Substances 0.000 claims description 18
- CIEZZGWIJBXOTE-UHFFFAOYSA-N 2-[bis(carboxymethyl)amino]propanoic acid Chemical compound OC(=O)C(C)N(CC(O)=O)CC(O)=O CIEZZGWIJBXOTE-UHFFFAOYSA-N 0.000 claims description 17
- 239000002738 chelating agent Substances 0.000 claims description 17
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 claims description 17
- 229940043264 dodecyl sulfate Drugs 0.000 claims description 17
- UZVUJVFQFNHRSY-OUTKXMMCSA-J tetrasodium;(2s)-2-[bis(carboxylatomethyl)amino]pentanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CC[C@@H](C([O-])=O)N(CC([O-])=O)CC([O-])=O UZVUJVFQFNHRSY-OUTKXMMCSA-J 0.000 claims description 17
- 125000001841 imino group Chemical group [H]N=* 0.000 claims description 15
- JBVOQKNLGSOPNZ-UHFFFAOYSA-N 2-propan-2-ylbenzenesulfonic acid Chemical compound CC(C)C1=CC=CC=C1S(O)(=O)=O JBVOQKNLGSOPNZ-UHFFFAOYSA-N 0.000 claims description 14
- 229940071118 cumenesulfonate Drugs 0.000 claims description 14
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 claims description 13
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims description 12
- 229940050410 gluconate Drugs 0.000 claims description 12
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims description 12
- 239000003352 sequestering agent Substances 0.000 claims description 12
- GLULCKCBVYGUDD-UHFFFAOYSA-N 2-phosphonobutane-1,1,1-tricarboxylic acid Chemical compound CCC(P(O)(O)=O)C(C(O)=O)(C(O)=O)C(O)=O GLULCKCBVYGUDD-UHFFFAOYSA-N 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- PSHRANCNVXNITH-UHFFFAOYSA-N dimethylamino acetate Chemical compound CN(C)OC(C)=O PSHRANCNVXNITH-UHFFFAOYSA-N 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 description 22
- 235000013305 food Nutrition 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 19
- 238000012545 processing Methods 0.000 description 19
- 239000000243 solution Substances 0.000 description 17
- 229920000058 polyacrylate Polymers 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000008258 liquid foam Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000002253 acid Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- SZHQPBJEOCHCKM-UHFFFAOYSA-N 2-phosphonobutane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(P(O)(O)=O)(C(O)=O)CC(O)=O SZHQPBJEOCHCKM-UHFFFAOYSA-N 0.000 description 8
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical class OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 7
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical class OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 235000013372 meat Nutrition 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 6
- 235000013361 beverage Nutrition 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 6
- 229960001484 edetic acid Drugs 0.000 description 6
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical class OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 230000005923 long-lasting effect Effects 0.000 description 5
- 238000011012 sanitization Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- QQVDJLLNRSOCEL-UHFFFAOYSA-N (2-aminoethyl)phosphonic acid Chemical compound [NH3+]CCP(O)([O-])=O QQVDJLLNRSOCEL-UHFFFAOYSA-N 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 description 4
- 235000014633 carbohydrates Nutrition 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 235000008504 concentrate Nutrition 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 235000013772 propylene glycol Nutrition 0.000 description 4
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZTVCAEHRNBOTLI-UHFFFAOYSA-L Glycine, N-(carboxymethyl)-N-(2-hydroxyethyl)-, disodium salt Chemical compound [Na+].[Na+].OCCN(CC([O-])=O)CC([O-])=O ZTVCAEHRNBOTLI-UHFFFAOYSA-L 0.000 description 3
- 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 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-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
- 229920002472 Starch Polymers 0.000 description 3
- ZZXDRXVIRVJQBT-UHFFFAOYSA-M Xylenesulfonate Chemical compound CC1=CC=CC(S([O-])(=O)=O)=C1C ZZXDRXVIRVJQBT-UHFFFAOYSA-M 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
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- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
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- 235000011187 glycerol Nutrition 0.000 description 3
- 150000002334 glycols Chemical class 0.000 description 3
- 229940051250 hexylene glycol Drugs 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
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- 238000004659 sterilization and disinfection Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- 229940071104 xylenesulfonate Drugs 0.000 description 3
- QGJDXUIYIUGQGO-UHFFFAOYSA-N 1-[2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoyl]pyrrolidine-2-carboxylic acid Chemical compound CC(C)(C)OC(=O)NC(C)C(=O)N1CCCC1C(O)=O QGJDXUIYIUGQGO-UHFFFAOYSA-N 0.000 description 2
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- LBLYYCQCTBFVLH-UHFFFAOYSA-M 2-methylbenzenesulfonate Chemical compound CC1=CC=CC=C1S([O-])(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-M 0.000 description 2
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 235000021536 Sugar beet Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000009455 aseptic packaging Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000032770 biofilm formation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-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
- 238000009924 canning Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 235000013409 condiments Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 235000011868 grain product Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- BTFJIXJJCSYFAL-UHFFFAOYSA-N icosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCO BTFJIXJJCSYFAL-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- SYJRVVFAAIUVDH-UHFFFAOYSA-N ipa isopropanol Chemical compound CC(C)O.CC(C)O SYJRVVFAAIUVDH-UHFFFAOYSA-N 0.000 description 1
- 235000008960 ketchup Nutrition 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 235000019520 non-alcoholic beverage Nutrition 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- LQPLDXQVILYOOL-UHFFFAOYSA-I pentasodium;2-[bis[2-[bis(carboxylatomethyl)amino]ethyl]amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC(=O)[O-])CCN(CC([O-])=O)CC([O-])=O LQPLDXQVILYOOL-UHFFFAOYSA-I 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003214 poly(methacrylonitrile) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical class [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 description 1
- 235000015192 vegetable juice Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000009736 wetting 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
- C11D3/2013—Monohydric alcohols linear fatty or with at least 8 carbon atoms in the alkyl chain
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/90—Betaines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/40—Specific cleaning or washing processes
- C11D2111/42—Application of foam or a temporary coating on the surface to be cleaned
Definitions
- the present invention relates to surface aqueous cleaning foaming compositions having improved foam characteristics and increased foam dwell time as well as an increased moistening content over time, a method of manufacture and the use thereof.
- soils such as carbohydrate, proteins, blood and water hardness soils, food oil soils, fat soils and other soils.
- soils can arise from the manufacture of both liquid and solid residences/contaminants.
- Grease soils and residue soils such as proteins, fats, blood and oils, especially when dried, can be hard to remove soil.
- carbohydrate soils such as cellulosic, monosaccharides, di saccharides, oligosaccharides, starches, gums and other complex materials, when dried, can form tough, hard to remove soils, particularly when combined with other soil components such as proteins, blood, fats, oils, minerals, and others. The removal of such soils and residues, can be a significant problem.
- Clean out of place systems (COP) cleaning techniques are a specific cleaning regimen adapted for removing soils from exterior surfaces of a wide variety of parts, such as ceramic surfaces, metal surfaces, walls, wash tanks, soaking vessels, mop buckets, holding tanks, scrub sinks, vehicle parts washers, non-continuous batch washers and systems, ceilings, external parts of production machinery and the like.
- Often clean out of place methods can involve a first rinse, the application of the cleaning solutions, and a second rinse with potable water followed by resumed operations.
- the process can also include any other contacting step in which a rinse, acidic or basic functional fluid, solvent or other cleaning component such as hot water, cold water, etc. can be contacted with the equipment at any step during the process.
- Conventional clean in place as well as clean out of place methods require high temperatures, up to about 80° C. In production rooms, the elevated water temperature currently used for that kind of cleaning processes is in the range of about 40° C to about 60° C.
- Conventional clean out of place techniques (COP) thus require the consumption of large amounts of energy.
- Detergent compositions generally used in clean out of place processes, related to medical devices, hospitals, food and meat processing industry are no-foaming or low foaming liquid compositions.
- No-foaming or low foaming detergent compositions have the drawback that the dwell time or so called "soaking time" on an upright tiled wall is short due to a good flow rate of the liquid detergent composition.
- no-foaming or low foaming detergent compositions have the drawback that the user cannot easily track the areas that are processed or not processed due to the brief residence time of the detergent composition, and low foam stability. There is a tendency that surfaces to be cleaned are treated twice thus require the consumption of large amounts of water and detergent composition.
- the object addressed by the present invention is to provide a long lasting foaming detergent composition that has excellent soil removal properties at lower temperatures, increased foam stability, increased dwell time and being traceable, that can be used for example in removing soil from a surface to be cleaned, preferably in a clean-out-of-place systems (COP) or in a clean-in-place system (CIP).
- COP clean-out-of-place systems
- CIP clean-in-place system
- an aqueous foaming detergent composition for removing of soil at low temperatures from a surface to be cleaned is provided.
- an aqueous foaming detergent composition comprising:
- At least one source of alkalinity - at least one alkyl sulfate surfactant of a C 8 -C 2 o-alkyl sulfate;
- alkyl iminodipropionate surfactant of a C 8 -C 2 o-alkyl iminodipropionate
- At least one alcohol preferably two alcohols, selected from the group of C 6 -C 2 o alcohols;
- the solvent can be preferably water.
- the aqueous foaming detergent composition can be used for removal of soil at reduced temperatures, while still providing excellent soil removal properties.
- the compositions of the present invention provide for reduced energy consumption, since it is active at lower cleaning temperatures.
- the aqueous foaming detergent composition provides a long lasting foam, which adheres excellent on vertical and horizontal surfaces as well as overhead surfaces.
- the foam of the present invention holds the cleaning liquid and water released by collapsing foam bubbles over a significant increased time period. This provides a wet foam over a significant increased time period that adheres to the surface to be cleaned and maintains its cleaning activity for a significant increased time period.
- the composition of the invention is applied to the surface to be cleaned in the form of a foam.
- the foam has compared to know foaming composition an remarkable increased dwell time and liquid absorption capacity and the foam treated areas can be easily tracked due to the visibility of the foam that avoids multiple treatment of the same area.
- aqueous foaming detergent composition is active at a low
- the aqueous foaming detergent composition comprises:
- the weight % of the components are based on the total weight of the composition and the total wt.-% of all components of the composition does not exceed 100 wt.-%.
- the aqueous foaming detergent composition comprises:
- an aqueous foaming detergent composition wherein the aqueous foaming detergent composition comprises in addition:
- At least one chelating agent preferably a gluconate, tetra sodium N,N- bis(carboxylatomethyl)-L-glutamate, methyl glycine diacetic acid and/or diethylene glycol monobutyl ether; and/or
- At least one sequestering agent preferably phosphonobutane tricarboxylate
- hydrotrope preferably cumene sulfonate.
- an aqueous foaming detergent composition comprising:
- alkyl sulfate surfactant of a C 8 -C 20 -alkyl sulfate
- EO alkyl
- POm alkyl
- EO alkyl
- EO alkyl
- EO alkyl
- m 0 to 12, or 1 to 10, or 5 to 8;
- alkyl dialkylaminoacetate surfactant of a Cg-C 2 o-alkyl Ci-C3-dialkylamino acetate at least one alkyl dialkylaminoacetate surfactant of a Cg-C 2 o-alkyl Ci-C3-dialkylamino acetate
- alkyl iminodipropionate surfactant of a C 8 -C 2 o-alkyl iminodipropionate
- alkyl iminodiglycinate surfactant of a C 8 -C 2 o-alkyl iminodiglycinate - at least two alcohols selected from the group of C 6 -C 20 alcohols;
- At least one chelating agent preferably a gluconate, tetra sodium N,N- bis(carboxylatomethyl)-L-glutamate, methyl glycine diacetic acid and/or diethylene glycol monobutyl ether;
- At least one sequestering agent preferably phosphonobutane tricarboxylate
- hydrotrope preferably cumene sulfonate
- the solvent can be preferably water.
- an aqueous foaming detergent composition comprising:
- the aqueous foaming detergent composition can be present in form of a concentrated solution.
- the concentrated solution has advantages in transporting and storing.
- the concentrated solution can be diluted, for example prior use, by admixing a solvent, preferably water.
- the aqueous foaming detergent composition can be free of at least one additive selected from the group of dye, color transfer inhibitor, anti-redeposition agents, optical brighteners, builder, oil and water repellant agents, color fastness agents, starch/sizing agents, fabric softening agents, anti-microbials, fungicides, UV absorbers, fragrances and/or mixtures thereof.
- the present invention relates to aqueous foaming detergent compositions and methods for removing soils from surfaces to be cleaned.
- Surfaces to be cleaned are hard and/or soft surfaces.
- the composition of the invention is applied in a clean in place process (CIP) and/or in a clean out of place process (COP).
- CIP clean in place process
- COP clean out of place process
- compositions of the invention may be manually applied to the surface to be cleaned.
- compositions of the invention can be used in hospital cleaning, cleaning of medical devices, for example chirurgical instruments, the food processing industry, such as meat processing industry, for cleaning purposes.
- the aqueous foaming detergent composition can be a more component composition that can be mixed in situ at the place of use.
- the aqueous foaming detergent composition can be applied to the surfaces to be cleaned in form of foam. Applying foam to an upright surface to be cleaned provides a long lasting contact time and the treated areas can be easily traced.
- the aqueous foaming detergent composition allows for the use of reduced levels of chemistry, because the foaming detergent of the invention has a remarkable increased cleaning efficiency that allows the use of a lower concentrated foaming detergent
- the methods of the present invention provide for reduced energy consumption, e.g., lower cleaning temperatures, and reduced chemical consumption.
- by weight refers to the total weight of the composition. For example, if a composition has a total weight of 100 grams and comprises 40% (by weight) of an alcohol, the composition may comprise 40 grams of alcohol.
- the total weight percent amount of all components, substances or agents of a composition are selected such that it does not exceed 100 wt.-%.
- C -C 20 alcohols is not a solvent, but an active agent.
- the term “bulsurface” refers to a surface of a medical instrument, a healthcare setting, a tool, a machine, equipment, a structure, a building, or the like that is employed as part of a food processing, preparation, or storage activity.
- healthcare settings include hospitals, doctor's offices and long term care facilities.
- food processing surfaces include surfaces of food processing or preparation equipment, e.g., slicing, canning, or transport equipment, including flumes, of food processing wares, e.g., utensils, dishware, wash ware, and bar glasses), and of floors, walls, or fixtures of structures in which food processing occurs.
- Food processing surfaces are found and employed in milking machines, food anti-spoilage air circulation systems, aseptic packaging sanitizing, food refrigeration and cooler cleaners and sanitizers, ware washing sanitizing, blancher cleaning and sanitizing, food packaging materials, cutting board additives, third-sink sanitizing, beverage chillers and warmers, meat chilling or scalding waters, auto dish sanitizers, sanitizing gels, cooling towers, food processing antimicrobial garment sprays, and non-to-low-aqueous food preparation lubricants, oils, and rinse additives.
- the term “bulware” refers to items such as eating and cooking utensils, dishes, and other hard surfaces such as showers, sinks, toilets, bathtubs, countertops, windows, mirrors, transportation vehicles, and floors.
- the term “bula” refers to variation in the numerical quantity that can occur, for example, through typical measuring and liquid handling procedures used for making concentrates or use solutions in the real world; through inadvertent error in these procedures; through differences in the manufacture, source, or purity of the ingredients used to make the compositions or carry out the methods; and the like.
- the term “bulabout” also encompasses amounts that differ due to different equilibrium conditions for a composition resulting from a particular initial mixture. Whether or not modified by the term fittingabout", the claims include equivalents to the quantities.
- the humidity is about 40% ⁇ 5% at about 23° C.
- composition containing any compound includes a composition having two or more compounds.
- the term “additional surfactant” or “additional surfactants” means a surfactant that exceeds the number of the five different surfactants of the aqueous foaming detergent composition.
- any numerical value recited herein includes all values from the lower value to the upper value, i.e., all possible combinations of numerical values between the lowest value and the highest value enumerated are to be considered to be expressly stated in this application.
- concentration range is stated as 1% to 50%, it is intended that values such as 2% to 40%, 10% to 30%, or 1% to 3%, etc., are expressly enumerated in this specification. These are only examples of what is specifically intended.
- compositions of the invention including the foam can have an alkaline pH, for example a pH of about 7.0 to about 14.
- the aqueous foaming detergent composition as well as the foam has a pH in the range of about 7.0 to about 14.0, preferably a pH in the range of about 1 1 to about 14.0 and more preferred a pH in the range of about 12.0 to about 13.5.
- the term “Mw” refers to an average molecular weight.
- the methods, and compositions of the present invention can include, or consist essentially of, or consist, of the steps, and ingredients of the present invention as well as other ingredients described herein.
- “consisting essentially of” means that the methods, and compositions may include additional steps, or ingredients, but only if the additional steps, or ingredients do not materially alter the basic and novel characteristics of the claimed methods, and compositions.
- the methods and compositions of the present invention may be applied to equipment generally cleaned using clean in place cleaning procedures.
- equipment include evaporators, heat exchangers, including tube-in-tube exchangers, direct steam injection, and plate-in-frame exchangers, heating coils, including steam, flame or heat transfer fluid heated, re-cry stallizers, pan crystallizers, spray dryers, drum dryers, and tanks.
- thermally degraded soils i.e., caked on soils or burned on soils, such as proteins or carbohydrates
- thermally degraded soil refers to a soil or soils that have been exposed to heat and as a result have become baked on to the surface to be cleaned.
- thermally degraded soils include food soils that have been heated during processing, e.g., dairy products heated on pasteurizers, fructose, or corn syrup.
- the methods and compositions of the present invention may also be used to remove other non-thermally degraded soils that are not easily removed using conventional cleaning techniques.
- Soil types suited to cleaning with the methods of the present invention include, but are not limited to, starch, cellulosic fiber, protein, simple carbohydrates and combinations of any of these soil types with mineral complexes.
- Examples of specific food soils that are effectively removed using the methods of the present invention include, but are not limited to, meat residues, blood residues, protein residues, vegetable and fruit juices, brewing and fermentation residues, soils generated in sugar beet and cane processing, and soils generated in condiment and sauce manufacture, e.g., ketchup, tomato sauce, barbeque sauce. These soils can develop on heat exchange equipment surfaces and on other surfaces during the manufacturing and packaging process.
- Exemplary industries in which the methods and compositions of the present invention can be used include, but are not limited to: the food and beverage industry, e.g., the meat processing industry; dairy, cheese, sugar, and brewery industries; oil processing industry; industrial agriculture and ethanol processing; and the pharmaceutical manufacturing industry.
- Conventional CIP as well as COP processing is generally well-known.
- the process includes applying a foam composition of the invention onto the surface to be cleaned. The foam adheres on the surface for slowly removing the soil.
- the process to remove a soil according to the invention can includes an alkaline foam wash.
- a process to remove a soil can include a fresh water rinse and an alkaline foam wash or a fresh water rinse, an alkaline foam wash and a fresh water rinse.
- Another embodiment of a process of the invention to remove soil can comprise at least three steps: an alkaline foam wash, an acid solution wash, and then a fresh water rinse.
- the alkaline foam softens the soils and removes the organic alkaline soluble soils.
- the subsequent acid solution removes mineral soils left behind by the alkaline cleaning step.
- the strength of the alkaline and acid solutions and the duration of the cleaning steps are typically dependent on the durability of the soil.
- the water rinse removes any residual solution and soils, and cleans the surface prior to the equipment being returned on-line.
- the methods and compositions of the present invention provide for enhanced soil removal at reduced temperatures, e.g., about > 1° C to ⁇ 80° C, preferably at about 20° C to about 60° C or at about 35° C to about 50° C.
- the present invention also provides for a reduction in the amount of chemistry and water consumed during the cleaning process.
- the present invention provides both energy and water savings, while achieving effective soil removal.
- composition of the invention can be applied by spray as foam to the surface to be cleaned.
- spray the present invention means a spray of discrete droplets or a jet of foam.
- the foam stability allows an improved cleaning effect, because the foam as such can be considered as a carrier for the aqueous foaming detergent composition. It ensures that the foam of the aqueous foaming detergent composition can also adhere to vertical surface and ceilings. As a result, long lasting contact time is achieved between the foam of the aqueous foaming detergent composition and the surface to be cleaned.
- the foam layer of the aqueous foaming detergent composition has a repositoiy effect, i.e. through destmction of further foam bubbles new cleaning agent solution is constantly transported to the surface.
- a surfactant mixture of five different surfactants is used in the aqueous foaming detergent composition and methods of the present invention.
- the five different surfactants of the aqueous foaming detergent composition are selected from the group comprising: - at least one alkyl sulfate surfactant of a C8-C2o-alkyl sulfate;
- alkyl iminodipropionate surfactant of a C 8 -C 20 -alkyl iminodipropionate
- At least one alkyl iminodiglycinate surfactant of a Cs-C2o-alkyl iminodiglycinate is provided.
- the alkyl sulfate surfactant can be a C io-C ig-alkyl sulfate, preferably a Ci 2 -Ci 6 -alkyl sulfate and most preferred a lauryl sulfate.
- the alkyl C i-C3-dialkylaminoacetate surfactant can be a C
- the alkyl iminodipropionate surfactant can be a C i o- Ci 8 -alkyl iminodipropionate, preferably a Ci 0 -C] 6 -alkyl iminodipropionate, further preferred a C i2-Ci4-alkyl iminodipropionate and most preferred a coco iminodipropionate.
- the alkyl iminodiglycinate can be a Ci o-C] g- alkyl iminodiglycinate, preferably a C io-Ci 6-alkyl iminodiglycinate, further preferred a C 12-C 14- alkyl iminodiglycinate and most preferred a coco iminodiglycinate.
- the five different surfactants can be lauryl sulfate, Cg-Ci i-alkyl (EO)4 -6 -alkoxylate, coco imino Ci-C 3 -dialkylaminoacetate, coco
- he weight ratio of the five different surfactants of lauryl sulfate to C 9 -Cn -alkyl (EO)4 -6 - alkoxylate to coco imino Ci-C3-dialkylaminoacetate to coco iminodipropionate to coco iminodiglycinate can be in the range of about 1 : 5 : 1 : 4.5 : 2 to about 1 : 1.5 : 0.9 : 1.8 : 0.8.
- the aqueous foaming detergent composition may comprises in addition at least one further anionic surfactant and/or further non-ionic surfactant.
- the additional surfactant chosen may be compatible with the surface to be cleaned.
- the additional surfactant can be an anionic surfactant and/or non-ionic surfactant. It can be preferred that the additional surfactant, which differs from the five surfactants of the aqueous foaming detergent composition may be selected from the group comprising of linear alkyl benzene sulfonates, alcohol sulfonates, amine oxides, alcohol ethoxylates, alkyl phenol ethoxylates, polyethylene glycol esters, EO/PO block copolymers, and mixtures thereof.
- the level and degree of foaming under the conditions of use and in subsequent recovery of the composition may be a factor for selecting particular surfactants and mixtures of surfactants.
- the nonionics and anionics may be used in combination.
- the amount of total surfactant in the aqueous foaming detergent composition can be about > 0.1 wt,-% to about ⁇ 15 wt.-%.
- Acceptable levels of surfactants include about > 0.18 wt.-% to about ⁇ 13 wt.-%, about > 1.1 wt.-% to about ⁇ 6 wt.-%, about > 1.5 wt.-% to about ⁇ 5 wt.-%, or about > 1.9 wt.-% to about ⁇ 3.7 wt.-%.
- the amount of total surfactant of a C 8 -C 2 o-alkyl sulfate in the aqueous foaming detergent composition can be about > 0.01 wt.-% to about ⁇ 2 wt.-%, preferably about > 0.05 wt.-% to about ⁇ 1.5 wt.-%, further preferred about > 0.1 wt.-% to about ⁇ 1 wt.-% and in addition preferred about > 0.25 wt.-% to about ⁇ 0.75 wt,-%.
- the amount of total surfactant of a Cs-Qo-alkyl C 1 -C3- dialkylamino acetate in the aqueous foaming detergent composition can be about > 0.02 wt.-% to about ⁇ 2 wt.-%, preferably about > 0.05 wt.-% to about ⁇ 1.5 wt.-%, further preferred about > 0.1 wt- % to about ⁇ 1 wt.-% and in addition preferred about > 0.25 wt.-% to about ⁇ 0.75 wt.-%.
- the amount of total surfactant of a C8-C 2 o-alkyl is less than or equal to the amount of total surfactant of a C8-C 2 o-alkyl
- concentrated aqueous foaming detergent composition can be about > 0.1 wt.-% to about ⁇ 4 wt.-%, preferably about > 0.25 wt.-% to about ⁇ 3 wt.-%, further preferred about > 0.5 wt.-% to about ⁇ 2 wt.-% and in addition preferred about > 0.75 wt.-% to about ⁇ 1.2 wt.-%.
- the amount of total surfactant of a Cs-C 2 o-alkyl is less than or equal to the amount of total surfactant of a Cs-C 2 o-alkyl
- iminodiglycinate in the aqueous foaming detergent composition preferably in a concentrated aqueous foaming detergent composition, can be about > 0.05 wt.-% to about ⁇ 3 wt.-%, preferably about > 0.1 wt.-% to about ⁇ 2.5 wt.-%, further preferred about > 0.2 wt.-% to about ⁇ 2 wt.-% and in addition preferred about > 0.3 wt.-% to about ⁇ 1 wt.-%.
- the amount of total surfactant in the aqueous foaming detergent composition can be about > 0.0024 wt.-% to about ⁇ 0.20 wt-%.
- Acceptable levels of surfactants include about > 0.005 ⁇ wt -% to about ⁇ 0.14 wt.-%, about > 0.006 wt.-% to about ⁇ 0.10 wt.-%, about > 0.007 wt.-% to about ⁇ 0.05 wt.-%, or about > 0.01 wt.-% to about ⁇ 0.025 wt.-%.
- the amount of total surfactant of a Cg-C 2 o-alkyl sulfate in the aqueous foaming detergent composition can be about > 0,0001 wt.-% to about ⁇ 0.02 wt-%, preferably about > 0.0005 wt-% to about ⁇ 0.018 wt-%, further preferred about > 0.001 wt-% to about ⁇ 0.015 wt-% and in addition preferred about > 0.0025 wt-% to about ⁇ 0.012 wt-%.
- the amount of total surfactant of a C 8 -C 20 -alkyl Ci-C3-dialkyl- amino acetate in the aqueous foaming detergent composition can be about > 0.0002 wt.-% to about ⁇ 0.02 wt.-%, preferably about > 0.0005 wt.-% to about ⁇ 0.015 wt.-%, further preferred about > 0.001 wt- % to about ⁇ 0.01 wt.-% and in addition preferred about > 0.0025 wt.-% to about ⁇ 0.0075 wt.-%.
- the amount of total surfactant of a C 8 -C 2 o-alkyl iminodipropio- nate in the aqueous foaming detergent composition can be about > 0.001 wt.-% to about ⁇ 0.1 wt.-%, preferably about > 0.003 wt.-% to about ⁇ 0.07 wt.-%, further preferred about > 0.005 wt.-% to about ⁇ 0.05 wt- % and in addition preferred about > 0.01 wt.-% to about ⁇ 0.035 wt.-%.
- the amount of total surfactant of a C8-C 2 o-aIkyl iminodiglyci- nate in the aqueous foaming detergent composition can be about > 0.0015 wt.-% to about ⁇ 0,09 wt.-%, preferably about > 0.0045 wt.-% to about ⁇ 0.024 wt.-%, further preferred about > 0.012 wt.-% to about ⁇ 0.02 wt.-% and in addition preferred about > 0.0075 wt.-% to about ⁇ 0.018 wt.-%.
- compositions of the present invention include a source of alkalinity.
- Exemplaiy alkaline sources suitable for use with the present invention include, but are not limited to are, basic salts, amines, alkanol amines, carbonates, silicates, and mixtures thereof, preferably the source of alkalinity is selected from the group comprising sodium hydroxide, potassium hydroxide or a mixture thereof, most preferred the source of alkalinity is sodium hydroxide.
- the source of alkalinity is selected from the group comprising sodium hydroxide, potassium hydroxide or a mixture thereof, most preferred is sodium hydroxide.
- the aqueous foaming detergent composition may comprise a sources of alkalinity wherein the sources of alkalinity include alkali metal hydroxides, alkali metal salts, phosphates, amines, and mixtures thereof, preferably alkali metal hydroxides including sodium hydroxide, potassium hydroxide, and lithium hydroxide, or is a mixture, and most preferred the sources of alkalinity is sodium hydroxide.
- the sources of alkalinity include alkali metal hydroxides, alkali metal salts, phosphates, amines, and mixtures thereof, preferably alkali metal hydroxides including sodium hydroxide, potassium hydroxide, and lithium hydroxide, or is a mixture, and most preferred the sources of alkalinity is sodium hydroxide.
- the amount of alkaline source present is dependent on a variety of factors including, for example, the type of surface to be cleaned, and the amount and type of soil present on the surface.
- the amount of alkaline source present in a concentrated aqueous foaming detergent composition can be about > 0.5 wt.-% to about ⁇ 25 wt.-%, preferably about > 1 wt.-% to about ⁇ 17 wt.-%, and further preferred about > 5 wt.-% to about ⁇ 15 wt.-%; wherein the source of alkalinity is preferably sodium hydroxide.
- the amount of alkaline source present in a concentrated aqueous foaming detergent composition can be about > 0.5 wt.-% to about ⁇ 25 wt.-%, preferably about > 7 wt.-% to about ⁇ 13 wt.-%, and further preferred about > 5 wt.-% to about ⁇ 17 wt.-%; wherein the source of alkalinity is preferably sodium hydroxide.
- the amount of alkaline source present in a diluted aqueous foaming detergent composition can be about > 0.015 wt.-% to about ⁇ 0.75 wt.-%, preferably about > 0.15 wt.-% to about ⁇ 0.51 wt.-%, and further preferred about > 0.21 wt.-% to about ⁇ 0.39 wt.-%; wherein the source of alkalinity is preferably sodium hydroxide.
- surfactants of the aqueous foaming detergent composition are not regarded as an alkaline source.
- the aqueous foaming detergent composition can be free of an alkaline source except sodium hydroxide.
- the aqueous foaming detergent composition comprises at least one C 6 to C 20 alcohol and preferably a mixture of at least two alcohols selected from the group of C 6 to C 20 alcohols, also referred to as long chain alcohol.
- the mixture of at least two alcohols may comprises: a) at least one alcohol of a C 6 to C] 2 alcohol, preferably a Ci 2 alcohol;
- the mixture of at least two alcohols may comprises: a) at least one alcohol of a C 6 to C 12 alcohol, preferably a Cj 2 alcohol;
- the mixture has a ratio of a) C 6 to C] 2 alcohol, preferably a C 12 alcohol to b) Cj 4 to C i8 alcohol, preferably a Cj 4 alcohol of 6: 1 to 2: 1 , or 5: 1 to 3: 1, or 4: 1 to 3.5 : 1.
- the alcohol can be a C 8 -Ci 8 -alcohol, preferably a C] 0 -Ci 6 -alcohol and most preferred a mixture of at least two C 6 to C 20 alcohols, or a mixture of at least two Cg-Cig-alcohols, or a mixture of CJ O -C ⁇ - alcohols.
- the amount of the long chain alcohol, preferably present in a concentrated aqueous foaming detergent composition can be about > 0.05 wt.-% to about ⁇ 1.3 wt.-%, preferably about > 0.2 wt.-% to about ⁇ 0.8 wt.-%, further preferred about > 0.375 wt.-% to about ⁇ 0.625 wt.-%, and more preferred about > 0.04 wt.-% to about ⁇ 0.16 wt.
- the amount of the long chain alcohol, preferably present in a diluted aqueous foaming detergent is preferably present in a diluted aqueous foaming detergent
- composition can be about > 0,0015 wt.-% to about ⁇ 0.039 wt.-%, preferably about > 0.006 wt.-% to about ⁇ 0.024 wt.-%, and more preferred about > 0.01 1 wt.-% to about ⁇ 0.019 wt- %.
- the amount of the long chain alcohol of a mixture of Cg-Cjs-alcohols or a mixture of a Cio-C j 6-alcohols, preferably present in a concentrated aqueous foaming detergent composition can be about > 0.05 wt.-% to about ⁇ 1.3 wt.-%, preferably about > 0.2 wt. ⁇ % to about ⁇ 0.8 wt.-%, further preferred about > 0.375 wt.-% to about ⁇ 0.625 wt.-%, and more preferred about > 0.04 wt.-% to about ⁇ 0.16 wt.
- the amount of the long chain alcohol of a mixture of C 8 -Ci8-alcohols or a mixture of a Cio-Ci 6 -alcohols, preferably present in a diluted aqueous foaming detergent composition can be about > 0.0015 wt.-% to about ⁇ 0.039 wt.-%, preferably about > 0.006 wt,-% to about ⁇ 0.024 wt.-%, and more preferred about > 0.01 1 wt.-% to about ⁇ 0.019 wt.-%.
- hydrotropes Solubilizing intermediaries called hydrotropes.
- a hydrotrope is a compound that solubilizes hydrophobic compounds in aqueous solutions.
- hydrotropes consist of a hydrophilic part and a hydrophobic part (like surfactants) but the hydrophobic part is generally too small to cause spontaneous self-aggregation. Hydrotropes may be present in the aqueous foaming detergent composition.
- Hydrotropes that can be suitable used are selected from the group comprising aromatic hydrocarbon sulfonate, preferably xylene sulfonate, toluene sulfonate, or cumene sulfonate; or n-octane sulfonate; or their sodium-, potassium- or ammonium salts or as salts of organic ammonium bases.
- aromatic hydrocarbon sulfonate preferably xylene sulfonate, toluene sulfonate, or cumene sulfonate
- n-octane sulfonate or their sodium-, potassium- or ammonium salts or as salts of organic ammonium bases.
- polyols containing only carbon, hydrogen and oxygen atoms They preferably contain from about 2 to about 6 carbon atoms and from about 2 to about 6 hydroxy groups. Examples include 1,2-propanediol, 1,2-butanediol, he
- the hydrotrope may be selected from the group comprising of a xylene sulfonate, toluene sulfonate, or cumene sulfonate, n-octane sulfonate, and/or acids thereof and also more preferred cumene sulfonate.
- Na-cumolsulfonate, linear alkylbenzene sulfonates (LAS) and/or xylene sulfonate, cumolsulfonate may be suitable to use as hydrotrope and having an improved wetting effect.
- the aqueous foaming detergent composition may comprise at least one hydrotrope that is a cumene sulfonate.
- the aqueous foaming detergent composition may comprise in addition a hydrotrope, preferably cumolsulfonate or the acid thereof, in the range of about > 0 wt.-% to about ⁇ 10 wt.-%, preferably about > 1 wt.-% to about ⁇ 5 wt.-% and more preferred about > 2 wt.-% to about ⁇ 4 wt.-%, by weight of the total aqueous foaming detergent composition.
- the aqueous foaming detergent composition preferably a diluted aqueous foaming detergent composition may comprise a hydrotrope, preferably cumolsulfonate or the acid thereof, in the range of about > 0 wt.-% to about ⁇ 0.1 wt.-%, preferably about > 0 wt.-% to about ⁇ 0.3 wt.-%, further preferred > 0.03 wt.-% to about ⁇ 0.15 wt.-%, and more preferred about > 0.06 wt.-% to about ⁇ 0.12 wt.-%, by weight of the total aqueous foaming detergent composition.
- a hydrotrope preferably cumolsulfonate or the acid thereof
- hydrotrope can present in the form of an acid or salt thereof, depending on the pH of the aqueous foaming detergent composition.
- aqueous foaming detergent composition can be free of a hydrotrope.
- the aqueous foaming detergent composition can be free of a hydrotrope.
- the aqueous foaming detergent composition can be free of a hydrotrope, except cumene sulfonate.
- the aqueous foaming detergent composition may include at least one polymeric polycarboxylate.
- the polymeric polycarboxylates suitable for use include those having a pendant carboxylate (— C0 2 ) groups and include, for example, polyacrylic acid, maleic/olefin copolymer, acrylic/maleic copolymer, polymethacrylic acid, acrylic acid-methacrylic acid copolymers, hydrolyzed polyacrylamide, hydrolyzed polymethacrylamide, hydrolyzed polyamide-methacrylamide copolymers, hydrolyzed polyacrylonitrile, hydrolyzed
- copolymeric polycarboxylates are particularly those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
- Copolymers of acrylic acid with maleic acid which comprise about 50 wt- % to about 90 wt.- % acrylic acid and about 50 wt.- % to about 10 wt.- % maleic acid, have proven to be particularly suitable.
- More preferred suitable polycarboxylates are the polyacrylates, which preferably have a molecular weight of 1 ,000 to 50,000 g/mol and preferably about 2,000 to 10,000 g/mol.
- the aqueous foaming detergent composition may comprise a polymeric polycarboxylate, preferably a polyacrylate having a molecular weight of about 500 Mw to about 50000 Mw, preferably about 1000 Mw to about 20000 Mw, in addition preferred about 3000 Mw to about 10000 Mw and more preferred about 4000 Mw to about 6000 Mw, wherein the molecular weight of the polymeric polycarboxylate is based on a totally neutralized sodium polymeric polycarboxylate.
- a polymeric polycarboxylate preferably a polyacrylate having a molecular weight of about 500 Mw to about 50000 Mw, preferably about 1000 Mw to about 20000 Mw, in addition preferred about 3000 Mw to about 10000 Mw and more preferred about 4000 Mw to about 6000 Mw, wherein the molecular weight of the polymeric polycarboxylate is based on a totally neutralized sodium polymeric polycarboxylate.
- More preferred is a polymeric polycarboxylate that is a polyacrylate.
- an aqueous foaming detergent composition may comprise the polymeric polycarboxylate, preferably polyacrylate, in an amount of about > 0 wt.-% to about ⁇ 5 wt.-%, preferably about > 0.5 wt.-% to about ⁇ 2 wt.-% and more preferred about > 0.7 wt.-% to about ⁇ 1 wt.-% of a polycarboxylate, preferably polyacrylate of a polymeric polycarboxylate, based on the total weight amount of the aqueous foaming detergent composition.
- an aqueous foaming detergent composition may comprise the polymeric polycarboxylate, preferably polyacrylate, in an amount of about > 0 wt-% to about ⁇ 5 wt.-%, preferably about > 0.5 wt.-% to about ⁇ 2 wt.-% and more preferred about > 0.7 wt-% to about ⁇ 1 wt.-% of a polycarboxylate, preferably polyacrylate having about 4000 Mw to about 6000 Mw, based on the total weight amount of the aqueous foaming detergent composition.
- an aqueous foaming detergent composition may comprise the polymeric polycarboxylate, preferably polyacrylate, in an amount of about > 0 wt.-% to about ⁇ 0.15 wt.-%, preferably about > 0.015 wt.-% to about ⁇ 0.06 wt.-% and more preferred about > 0.021 wt.-% to about ⁇ 0.03 wt.-% of a polycarboxylate, preferably polyacrylate of a polymeric polycarboxylate, based on the total weight amount of the aqueous foaming detergent composition.
- an aqueous foaming detergent composition may comprise the polymeric polycarboxylate, preferably polyacrylate, in an amount of about > 0 wt.-% to about ⁇ 0.15 wt.-%, preferably about > 0.015 wt.-% to about ⁇ 0.06 wt.-% and more preferred about > 0.021 wt.-% to about ⁇ 0.03 wt.-% of a polycarboxylate, preferably polyacrylate having about 4000 Mw to about 6000 Mw, based on the total weight amount of the aqueous foaming detergent composition.
- preferred representatives of this group of polymeric polycarboxylate are the short-chain polyacrylates, which have average molecular weight (Mw), based on free acids, of 2,000 g/mol to 10,000 g/mol and, more particularly, 4,000 g/mol to 6,000 g/mol.
- Mw average molecular weight
- aqueous foaming detergent composition can be free of a polymeric polycarboxylate.
- the aqueous foaming detergent composition can be free of a polymeric polycarboxylate, except a polyacrylate.
- a solvent preferably water
- the solvent content, such as the water content, of the aqueous foaming detergent composition is simply determined by subtracting the weight-% amounts of all the other components, based on the total weight of the aqueous foaming detergent composition, except the solvent, from 100 wt. %.
- C 6 -C2o alcohols are not a solvent, but an active agent.
- Suitable solvents include, but are not limited to, water, Ci to C 5 -alcohols, glycols, glycol ethers, esters, and the like, or combinations thereof.
- Suitable alcohols include, but are not limited to, ethanol, isopropanol (propan-2-ol), glycerin, monoethanolamine (MEA), and the like, or combinations thereof.
- Suitable glycols include, but are not limited to, ethylene glycol (monoethylene glycol or MEG), diethylene glycol (propylene glycol or butoxy diglycol or DEG), tri ethylene glycol (TEG), tetraethylene glycol (TETRA EG), glycerin, propylene glycol, dipropylene glycol, hexylene glycol, and the like, or combinations thereof.
- MEG monoethylene glycol
- DEG tri ethylene glycol
- TETRA EG tri ethylene glycol
- glycerin propylene glycol, dipropylene glycol, hexylene glycol, and the like, or combinations thereof.
- the composition may comprise at least two solvents and more preferred the composition may comprise water and hexylene glycol.
- an aqueous foaming detergent composition may comprise the solvent, preferably water, in an amount of about > 45 wt.-%, preferably about > 70 wt.-% and further preferred about > 85 wt.-% to about ⁇ 92 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- an aqueous foaming detergent composition may comprise the solvent, preferably water, in an amount of about > 98 wt.-%, preferably about > 99 wt.-% and further preferred about > 99.9 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- a diluted aqueous foaming detergent composition is obtainable by diluting a concentrated liquid composition with a solvent, preferably water, in a ratio of an aqueous foaming detergent composition, preferably a concentrated liquid composition, to solvent, preferably water, of about 1 : 10 to 1 : 1000, preferably of about 1 : 50 to 1 : 500, in particular of about 1 : 100 to 1 : 250, and also preferred of about 1 : 30 to 1 : 50.
- the solvent is not a C 6 to C 2 o alcohol.
- the chelating agent can be selected from the group of sodium gluconate, pentasodium salt of diethylenetriamine pentaacetic acid, sodium glucoheptonate, salts of ethylene diamine tetraacetic acid, salts of ethylene diamine tetraacetic acid, salts of hydroxyethyl ethylene diamine triacetic acid, salts of hydroxyethyl ethylene diamine triacetic acid, salts of nitrilotriacetic acid, salts of nitrilotriacetic acid, diethanolglycine sodium salt,
- ethanoldiglycine disodium salt salts of hydroxymonocarboxylic acid compounds, salts of hydroxydicarboxylic acid compounds, salts of amine containing carboxylic acids, terasodium N,N-bis(carboxylatomethyl)-L-glutamate (GDLA) and mixtures thereof.
- At least one chelating agent that exhibits soil removal properties when used at a pH of at least about 11 to about 14 and more preferred at a pH in the range of about 12 to about 13.5.
- the chelating agent is provided for tying up metals in the soil to assist in cleaning and detergency.
- the chelating agent can be provided as part of the solid alkaline composition.
- Exemplary chelating agent that exhibit soil removal properties at a pH of greater than about 12.0 to about 13.5 that can be used according to the invention include sodium gluconate, pentasodium salt of diethylenetriamine pentaacetic acid (available under the name Versenex 80), sodium glucoheptonate, ethylene diamine tetraacetic acid (EDTA), salts of ethylene diamine tetraacetic acid, hydroxyethyl ethylene diamine triacetic acid (HEDTA), salts of hydroxyethyl ethylene diamine triacetic acid, nitrilotriacetic acid (NTA), salts of nitrilotriacetic acid, diethanolglycine sodium salt (DEG), ethanoldiglycine disodium salt (EDG), tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate (GLDA), methyl glycine diacetic acid (MGDA) and mixtures thereof.
- EDTA ethylene diamine
- Exemplary salts of ethylene diamine tetraacetic acid include disodium salts, tetrasodium salts, diammonium salts, and trisodium salts.
- An exemplary salt of hydroxyethyl ethylene diamine triacetic acid is the trisodium salt.
- the chelating agent can include mixtures of different chelating agent agents.
- an aqueous foaming detergent composition may comprise a chelating agent, preferably a gluconate, in an amount of about > 0.1 wt,-% to about ⁇ 3 wt.-%, preferably about > 0.5 wt.-% to about ⁇ 2 wt.-%, further preferred about > 1.0 wt.-% to about ⁇ 1.7 wt- % and more preferred about > 1.2 wt.-% to about ⁇ 1.4 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- a chelating agent preferably a gluconate
- an aqueous foaming detergent composition may comprise a chelating agent, preferably a gluconate, in an amount of about > 0 wt.-% to about ⁇ 0.1 wt.-%, preferably about > 0.01 wt- % to about ⁇ 0.05 wt.-%, further preferred about > 0.02 wt.-% to about ⁇ 0.04 wt.-% and more preferred about > 0.0375 wt.-% to about ⁇ 0.0395 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- a chelating agent preferably a gluconate
- an aqueous foaming detergent composition may comprise a tetrasodium N,N- bis(carboxylatomethyl)-L-glutamate (GLDA), in an amount of about > 0 wt.-% to about ⁇ 5 wt.-%, preferably about > 0.5 wt.-% to about ⁇ 2 wt.-% and more preferred about > 0.7 wt.-% to about ⁇ 1 wt.-%, based on the total weight amount of the aqueous foaming detergent composition,
- GLDA tetrasodium N,N- bis(carboxylatomethyl)-L-glutamate
- an aqueous foaming detergent composition may comprise a tetrasodium N,N-bis(carboxylato- methyl)-L-glutamate (GLDA), in an amount of about > 0 wt-% to about ⁇ 0.2 wt.-%, preferably about > 0.005 wt.-% to about ⁇ 0.05 wt.-%, further preferred about > 0.0228 wt.-% to about ⁇ 0.0232 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- GLDA tetrasodium N,N-bis(carboxylato- methyl)-L-glutamate
- an aqueous foaming detergent composition may comprise a methyl glycine diacetic acid (MGDA), in an amount of about > 0 wt.-% to about ⁇ 5 wt.-%, preferably about > 0.5 wt.-% to about ⁇ 2 wt.-% and more preferred about > 0.7 wt.-% to about ⁇ 1 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- MGDA methyl glycine diacetic acid
- an aqueous foaming detergent composition may comprise a methyl glycine diacetic acid (MGDA), in an amount of about > 0 wt.-% to about ⁇ 0.2 wt.-%, preferably about > 0.005 wt.-% to about ⁇ 0.05 wt.-%, further preferred about > 0.018 wt.-% to about ⁇ 0.022 wt.-%, based on the total weight amount of the aqueous foaming detergent composition.
- MGDA methyl glycine diacetic acid
- the aqueous foaming detergent composition can be free of a chelating agent.
- the aqueous foaming detergent composition can be free of a chelating agent except gluconate.
- the aqueous foaming detergent composition can be free of a chelating agent except tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate (GLDA).
- GLDA tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate
- the aqueous foaming detergent composition can be free of a chelating agent except methyl glycine diacetic acid (MGDA).
- MGDA methyl glycine diacetic acid
- the aqueous foaming detergent composition may include at least one sequestering.
- Exemplary commercially available sequestering agents for use with aqueous foaming detergent composition of the present invention may include, but are not limited to: sodium tripolyphosphate available from Innophos; Trilon A® available from BASF; Versene 100®, Low NTA Versene ®, Versene Powder®, and Versenol 120® all available from Dow;
- dipicolinic acid and/or phosphonic acid and corresponding salts thereof are suitable for use as sequestering agents with the methods of the invention.
- Phosphonates are suitable for use as sequestering agents with the methods of the invention and can be selected from the group comprising 2-aminoethylphosphonic acid (AEPn); dimethyl methylphosphonate (DMMP); 1 -hydroxy ethylidene- 1 , 1 -diphosphonic acid (HEDP); amino tris(methylene phosphonic acid) (ATMP); ethylenediamine tetra(methylene phosphonic acid) (EDTMP); tetramethylenediamine tetra(methylene phosphonic acid) TDTMP); hexamethylenediamine tetra(methylene phosphonic acid) (HDTMP);
- AEPn 2-aminoethylphosphonic acid
- DMMP dimethyl methylphosphonate
- HEDP 1 -hydroxy ethylidene- 1 ,
- DTPMP diethylenetriamine penta(methylene phosphonic acid)
- PBTC phosphonobutane- tricarboxylic acid
- PMIDA N-(phosphonomethyl)iminodiacetic acid
- CEP A 2- carboxyethyl phosphonic acid
- HPAA 2-hydroxyphosphonocarboxylic acid
- AMP amino- tris-(methylene-phosphonic acid)
- Aminophosphonates are also suitable for use as sequestering agents with the methods of the invention and include ethylenediaminetetramethylene phosphonates,
- nitrilotrismethylene phosphonates and diethylenetriamine-(pentamethylene phosphonate) for example. These aminophosphonates commonly contain alkyl or alkenyl groups with less than 8 carbon atoms.
- the aqueous foaming detergent composition preferably a concentrated aqueous foaming detergent composition, comprises in an amount of about > 0 wt.-% to about ⁇ 5 wt.-%, preferably about > 0.1 wt.-% to about ⁇ 2 wt.-%, further preferred
- a sequestering agent preferably phosphonobutane-tricarboxylic acid (PBTC), based on the total weight amount of the aqueous foaming detergent composition.
- PBTC phosphonobutane-tricarboxylic acid
- the aqueous foaming detergent composition preferably a diluted aqueous foaming detergent composition, comprises in an amount of about > 0 wt.-% to about ⁇ 0.2 wt.-%, preferably about > 0.005 wt.-% to about ⁇ 0.05 wt.-%, further preferred
- a sequestering agent preferably phosphonobutane-tricarboxylic acid (PBTC), based on the total weight amount of the aqueous foaming detergent composition.
- PBTC phosphonobutane-tricarboxylic acid
- the aqueous foaming detergent composition can be free of a sequestering agent.
- the aqueous foaming detergent composition can be free of a sequestering agent except phosphonobutane-tricarboxylic acid (PBTC).
- PBTC phosphonobutane-tricarboxylic acid
- a penetrant may be used with the aqueous foaming detergent composition of the present invention.
- the penetrant is water miscible.
- suitable penetrants include, but are not limited to short chain ethoxylated alcohols and phenol (having 1-6 ethoxylate groups).
- Organic solvents are also suitable penetrants.
- suitable organic solvents, for use as a penetrant include esters, ethers, ketones, amines, and nitrated and chlorinated hydrocarbons.
- Ethoxylated alcohols are also suitable for use with the methods of the present invention.
- ethoxylated alcohols include, but are not limited to, alky, aryl, and alkylaryl alkloxylates. These alkloxylates may be further modified by capping with chlorine-, bromine-, benzyl-, methyl-, ethyl-, propyl-, butyl- and alkyl-groups.
- Ethoxylated alcohols may be present in the foaming detergent composition from about > 0.1 wt% to about > 20 wt%.
- Fatty acids are also suitable for use as penetrants in the methods of the present invention.
- Some non-limiting examples of fatty acids are C 6 to C] 2 straight or branched fatty acids.
- fatty acids used in the methods of the present invention are liquid at room temperature.
- a penetrant for use in the methods of the present invention includes water soluble glycol ethers.
- glycol ethers include dipropylene glycol methyl ether (available under the trade designation DOWANOL DPM from Dow Chemical Co.), diethylene glycol methyl ether (available under the trade designation DOWANOL DM from Dow Chemical Co.), propylene glycol methyl ether (available under the trade designation DOWANOL PM from Dow Chemical Co.), and ethylene glycol monobutyl ether (available under the trade designation DOWANOL EB from Dow Chemical Co.).
- the aqueous foaming detergent composition preferably a concentrated aqueous foaming detergent composition, comprises in an amount of about > 0 wt.-% to about ⁇ 10 wt.-%, preferably about > 1 wt.-% to about ⁇ 8 wt.-%, further preferred > 3 wt.-% to about ⁇ 6 wt.-%, and also preferred > 4 wt.-% to about ⁇ 5 wt.-%, a penetrant, preferably diethylene glycol monobutyl ether, based on the total weight amount of the aqueous foaming detergent composition.
- the aqueous foaming detergent composition preferably a diluted aqueous foaming detergent composition, comprises in an amount of about > 0 wt.-% to about ⁇ 0.4 wt.-%, preferably about > 0.01 wt.-% to about ⁇ 0.3 wt.-%, further preferred > 0.05 wt.-% to about ⁇ 0.2 wt.-%, and also preferred > 0.130 wt.-% to about ⁇ 0.135 wt.-%, a penetrant, preferably diethylene glycol monobutyl ether, based on the total weight amount of the aqueous foaming detergent composition.
- the aqueous foaming detergent composition can be free of a penetrant.
- the aqueous foaming detergent composition can be free of a penetrant except diethylene glycol monobutyl ether.
- the liquid foaming detergent composition can be presented in a concentrated liquid form.
- the concentrates include a liquid medium, preferably water, and relatively large concentrations of the active cleaning component or cleaning components.
- the concentrated liquid foaming detergent composition may have a pH in the range of about 7.0 to about 14.0, preferably a pH in the range of about 1 1 to about 14 and more preferred a pH in the range of about 12 to about 13.5 and for the diluted liquid foaming detergent composition the pH may be adjusted to a pH of about 7.0 to pH of about 14.0, preferably to a pH of about 1 1 to about 14 and more preferred a pH in the range of about 12 to about 13.5.
- a solvent preferably water is added to 100 wt.-% to the concentrated liquid foaming detergent composition, wherein the weight.-% of the components are based on the total weight of the concentrated liquid foaming detergent composition, and the weight. -% of all components of the foaming detergent composition are select so that it does not exceed 100 wt.-%.
- a concentrated aqueous foaming detergent composition may comprise:
- an aqueous foaming detergent composition preferably a concentrated aqueous foaming detergent composition, is provided comprising:
- an aqueous foaming detergent composition preferably a concentrated aqueous foaming detergent composition, is provided comprising:
- gluconate - about 0.375 wt.-% to about 0.625 wt.-% of at least two alcohols selected from the group of C 6 -C 2 o alcohols; - about > 1 wt.-% to about ⁇ 1.5 wt.-% of a gluconate;
- the liquid foaming detergent composition can be present in form of a diluted or so called "ready-to-use" composition.
- the diluted compositions may be derived from a concentrated liquid foaming detergent composition, for example, by combining water, for example, deionized water, city or tap water, with said concentrate.
- the so called ready-to-use compositions may be treated to reduce hardness.
- the source of alkalinity and addition of the solvent, preferably water, are provided so that the diluted liquid foaming detergent composition may have a pH in the range of about 1 1 to about 14 and more preferred a pH in the range of about 12 to about 13.5.
- the concentrated liquid foaming detergent composition can be diluted with a solvent, preferably water, to an about 1 ,0 wt.-% to about 10 wt.-%, preferably to an about 2,0 wt.-% to 5.5 wt.-%, diluted foaming detergent composition, also named "ready-to-use solution”.
- a solvent preferably water
- a solvent preferably water is added to 100 wt.-% to the diluted liquid foaming detergent composition, wherein the weight. -% of the components are based on the total weight of the diluted liquid foaming detergent composition, and the weight.-% of all components of the foaming detergent composition are select so that it does not exceed 100 wt.-%.
- a diluted aqueous foaming detergent composition may comprise:
- a concentrated aqueous foaming detergent composition may comprise:
- the weight % of the components are based on the total weight of the composition and the total wt.-% of all components of the composition does not exceed 100 wt.-%.
- a diluted aqueous foaming detergent composition may comprise:
- the weight % of the components are based on the total weight of the composition and the total wt.-% of all components of the composition does not exceed 100 wt.-%.
- an aqueous foaming detergent composition preferably a diluted aqueous foaming detergent composition, is provided comprising:
- an aqueous foaming detergent composition preferably a concentrated aqueous foaming detergent composition, is provided comprising:
- the present invention provides methods for removing soil from a surface.
- the methods for removing soil from a surface include using a clean out of place (COP) or clean in place (CIP) cleaning process.
- the methods include applying to the surface a composition of the invention, preferably in form of foam.
- the method for removing soil from a surface to be cleaned may comprises applying to the surface a liquid foaming detergent composition.
- the method for removing soil from a surface to be cleaned may comprises applying to the surface a concentrated liquid foaming detergent composition.
- the method for removing soil from a surface to be cleaned may comprises preferably applying to the surface a diluted liquid foaming detergent composition.
- the method for removing soil from a surface to be cleaned may comprising:
- a pre-treatment solution preferably water
- liquid foaming detergent composition preferably the diluted liquid foaming detergent composition
- the methods and compositions of the present invention are applied to surfaces which are normally cleaned using a clean out of place or in place cleaning technique.
- surfaces include hard and soft surface, for example of upper outer and/or inner outer surfaces of materials such as ceramic, metal, plastic and/or glass, surface that came into contact with beverages and/or food, beverages such alcoholic or nonalcoholic beverages such as beer or milk, food such as meat, vegetables and/or grain-products.
- instruments and apparatus for example used in sanitary or medical services, evaporators, heat exchangers, including tube-in-tube exchangers, direct steam injection, and plate-in-frame exchangers, heating coils including steam, flame or heat transfer fluid heated re-crystallizers, pan crystallizers, spray dryers, drum dryers, and tanks.
- evaporators heat exchangers, including tube-in-tube exchangers, direct steam injection, and plate-in-frame exchangers
- heating coils including steam, flame or heat transfer fluid heated re-crystallizers, pan crystallizers, spray dryers, drum dryers, and tanks.
- Additional surfaces capable of being cleaned using the methods and compositions of the present invention include, but are not limited to membranes, medical devices, laundry and/or textiles, and hard surfaces, e.g., walls, floors, dishes, flatware, pots and pans, heat exchange coils, ovens, fryers, smoke houses, sewer drain lines, and vehicles.
- the surfaces may be cleaned using a clean in place method.
- the methods of the present invention may also be used to remove dust from air handling equipment, for example, from air conditioners and refrigeration heat exchangers.
- the methods of the present invention may be used for drain line microbial control, e.g., to reduce or remove biofilm formation.
- Exemplary industries in which the methods and compositions of the present invention may be used include, but are not limited to: the food and beverage industry, e.g., the dairy, cheese, sugar, and brewery industries; oil processing industry; industrial agriculture and ethanol processing; and the pharmaceutical manufacturing industry.
- the methods and aqueous foaming detergent composition for soil removal from surfaces can be applied at reduced temperatures, e.g., from about > 1° C to about ⁇ 80° C, preferably at about > 20° C to about ⁇ 60° C, preferably about > 35° C to about ⁇ 50° C.
- reduced temperatures e.g., from about > 1° C to about ⁇ 80° C, preferably at about > 20° C to about ⁇ 60° C, preferably about > 35° C to about ⁇ 50° C.
- the ability of stable foam formation and to clean at reduced temperatures, preferably at about 45° C results in energy and cost savings compared to traditional cleaning techniques that require increased temperatures.
- the present invention provides for effective soil removal on surfaces that cannot withstand high temperatures.
- the methods of the present invention provide for soil removal at reduced temperatures, and using reduced amounts of chemistry, compared to conventional cleaning methods.
- the methods of the present invention use about 25% to about 50% less chemistry, e.g., source of alkalinity, than conventional cleaning methods.
- the methods of the present invention may effectively remove soil at both low temperatures, and using a low concentration of chemicals, providing both an energy savings and a reduction in the amount of chemistry consumed per cleaning. Time
- aqueous foaming detergent composition for use with the methods of the present invention are applied as stable foam to the surface for a sufficient amount of time such that the composition penetrates into the soil to be removed.
- the aqueous foaming detergent composition for use with the methods of the present invention is applied as stable foam to the surface to be cleaned for about 1 to about 30 minutes. In some embodiments, the aqueous foaming detergent composition for use with the methods of the present invention is applied as stable foam to the surface to be cleaned for about 5 to about 15 minutes. In some embodiments, the aqueous foaming detergent composition for use with the methods of the present invention is applied as stable foam to the surface to be cleaned for about 10 minutes. It is to be understood that any value between these ranges is to be encompassed by the methods of the present invention.
- Another object is a foam comprising the components of the liquid foaming detergent composition.
- the foam stability allows an improved cleaning effect, because the foam as such can be considered as a carrier for the cleaning solution. It ensures that the solution can also adhere to vertical surface and ceilings. As a result, longer contact is achieved between the cleaning solution and the surface to be cleaned.
- the foam layer on the cleaning agent film has a repository effect, i.e. through destruction of further foam bubbles new cleaning agent solution is constantly transported to the surface.
- FIG. 1 shows the liquid height (water liquid loss) after 70 sec. of Examples 1 to 7 according to the present invention and comparative examples lto 6;
- FIG. 2 shows the foam height decrease over time of Examples 1 to 7 according to the present invention
- FIG. 3 shows the foam height decrease over time of Comparative examples 1 to 7 vs. Examples 1 of the present invention.
- compositions of examples El to E7 of the invention and comparative examples CI to C6 were prepared by mixing the components as mentioned in tables I and II below, wherein the compositions of tables I and II below are additional diluted with demineralized water.
- compositions of examples El to E7 of the invention and comparative examples C I to C6 were prepared by mixing the components as mentioned in table I and II below at about 20° C. The obtained compositions of tables I and II are then additional diluted by demineralized water to a 3% (w/w).
- the demineralized water (demin. water) is produced by a process of distillation and has an electrical conductivity of not more than 1 1 nS/cm and total dissolved solids of less than 10 mg/liter. Distillation involves boiling the water and then condensing the vapor into a clean container, leaving solid contaminants behind.
- Frit diameter (FL 4502): 45 mm
- the detergent compositions of examples El to E7 and Comparative examples CI to C6 are further diluted with addition of demin. water to a 3% (w/w) detergent composition.
- a 3% (w/w) detergent compositions of examples El to E7 and Comparative examples CI to C6 are tested in a Dynamic Foam Analyzer DFA 100 Kriiss; wherein 50 ml of each 3% (w/w) detergent compositions of examples El to E7 and Comparative examples CI to C6 are filed into a CY 4501 Glass Column.
- the CY 4501 Glass Column has a diameter 40 mm and a height of 250 mm. Then oxygen is blown through a frit for 5 sec and a flow rate of lL/min to generate foam.
- Tables III and IV show the liquid loss of the foam, measured as liquid height in the CY 4501 Glass Column, for each detergent compositions of examples El to E7 and
- the liquid high indicates the liquid loss at 70 seconds for each 3% (w/w) detergent compositions of examples El to E7 and comparative examples CI to C6. It can be seen from tables III and IV that the liquid loss of the 3% (w/w) detergent compositions of Examples El to E7 is significant less compared to the 3% (w/w) detergent compositions of comparative examples CI to C6.
- the volume liquid loss test clearly demonstrates that the foam of the 3% (w/w) aqueous foaming detergent composition El to E7 according to the present invention compared to the 3% (w/w) aqueous foaming detergent composition of comparative examples CI to C6 have a significant decreased liquid loss - see Fig. 1 - and a much better foam stability.
- the water liquid loss of the 3% (w/w) detergent compositions of examples El to E7 after 70s is below 35 mm.
- the water liquid loss of the 3% (w/w) detergent compositions of the comperative examples CI to C6 is after 70s closed to the maximum of liquid loss, which is about 42 mm.
- results of tables III and IV and Fig. 1 demonstrate for the 3% (w/w) detergent compositions of examples Examples 1 to 7 of the present invention an improved rewetting foam effect.
- the test further demonstrate that the foam of the 3% (w/w) detergent compositions of comparative examples CI to C6 dries over time, which leads to an decreased cleaning effect compared to the 3% (w/w) detergent compositions of examples El to E7.
- the volume liquid to volume foam test clearly demonstrates that the foam of the- 3% (w/w) aqueous foaming detergent compositions El to E7 according to the present invention compared to the 3% (w/w) detergent compositions of CI to C6 have a significant decreased foam liquid loss. Further the foam stability and moistening content of the 3% (w/w) foam compositions of Examples 1 to 7 are significant improved as indicated in Figs. 2 and 3.
- Fig. 3 it can be seen that the 3% (w/w) foam detergent composition of example El is practically stable over time with respect of foam stability and water liquid loss compared to the 3% (w/w) compositions of CI to C6.
- the test further demonstrate that the foam of CI to C6 quickly dries over time due rapid liquid loss, which leads to an decreased cleaning effect, since the loss of liquid causes a loss of cleaning components combined with a decrease of cleaning effectivity.
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Abstract
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CN109136950A (en) * | 2018-09-28 | 2019-01-04 | 天津圳鹏清洗技术开发有限公司 | Cleaning agent for medical instrument and equipment |
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EP0908512A3 (en) * | 1997-10-08 | 1999-04-28 | The Procter & Gamble Company | Liquid aqueous bleaching compositions |
AR080796A1 (en) * | 2010-03-26 | 2012-05-09 | Innospec Ltd | WATERY COMPOSITIONS THAT INCLUDE ACIL-ISETIONATE FOR PERSONAL CARE. |
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