EP1063281A2 - Agent de rinçage et procédé d'utilisation dudit agent de rinçage - Google Patents
Agent de rinçage et procédé d'utilisation dudit agent de rinçage Download PDFInfo
- Publication number
- EP1063281A2 EP1063281A2 EP00202034A EP00202034A EP1063281A2 EP 1063281 A2 EP1063281 A2 EP 1063281A2 EP 00202034 A EP00202034 A EP 00202034A EP 00202034 A EP00202034 A EP 00202034A EP 1063281 A2 EP1063281 A2 EP 1063281A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- starch
- rinse aid
- aid composition
- hydrogen
- independently
- 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- Withdrawn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
- 239000000203 mixture Substances 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims description 25
- 229920002472 Starch Polymers 0.000 claims abstract description 108
- 239000008107 starch Substances 0.000 claims abstract description 108
- 235000019698 starch Nutrition 0.000 claims abstract description 108
- 239000003599 detergent Substances 0.000 claims abstract description 73
- 239000004094 surface-active agent Substances 0.000 claims abstract description 55
- 239000000919 ceramic Substances 0.000 claims abstract description 35
- 229920001592 potato starch Polymers 0.000 claims abstract description 30
- 230000015556 catabolic process Effects 0.000 claims abstract description 28
- 238000006731 degradation reaction Methods 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 25
- 229910052739 hydrogen Inorganic materials 0.000 claims description 56
- 239000001257 hydrogen Substances 0.000 claims description 56
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 38
- 125000006732 (C1-C15) alkyl group Chemical group 0.000 claims description 34
- 125000003118 aryl group Chemical group 0.000 claims description 34
- 125000003545 alkoxy group Chemical group 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 28
- 238000004851 dishwashing Methods 0.000 claims description 20
- 230000000593 degrading effect Effects 0.000 claims description 19
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 18
- 239000002736 nonionic surfactant Substances 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 15
- 239000003945 anionic surfactant Substances 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 12
- 150000008282 halocarbons Chemical class 0.000 claims description 12
- 108090000790 Enzymes Proteins 0.000 claims description 11
- 102000004190 Enzymes Human genes 0.000 claims description 11
- 239000003518 caustics Substances 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000007800 oxidant agent Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- 229910003202 NH4 Inorganic materials 0.000 claims description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 125000002950 monocyclic group Chemical group 0.000 claims description 4
- 125000000129 anionic group Chemical group 0.000 claims 3
- 239000003093 cationic surfactant Substances 0.000 claims 1
- 150000002431 hydrogen Chemical group 0.000 description 16
- 229940088598 enzyme Drugs 0.000 description 10
- 239000002689 soil Substances 0.000 description 9
- 239000011572 manganese Substances 0.000 description 8
- 238000002835 absorbance Methods 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 239000000499 gel Substances 0.000 description 6
- 239000003752 hydrotrope Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
- 150000001261 hydroxy acids Chemical class 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 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
- -1 phosphate ester Chemical class 0.000 description 4
- 239000003755 preservative agent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WLDGDTPNAKWAIR-UHFFFAOYSA-N 1,4,7-trimethyl-1,4,7-triazonane Chemical compound CN1CCN(C)CCN(C)CC1 WLDGDTPNAKWAIR-UHFFFAOYSA-N 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920001983 poloxamer Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 108010075550 termamyl Proteins 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- 229920000856 Amylose Polymers 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 108090000637 alpha-Amylases Proteins 0.000 description 2
- 102000004139 alpha-Amylases Human genes 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000011012 sanitization Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- ITWBWJFEJCHKSN-UHFFFAOYSA-N 1,4,7-triazonane Chemical compound C1CNCCNCCN1 ITWBWJFEJCHKSN-UHFFFAOYSA-N 0.000 description 1
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- ACUZDYFTRHEKOS-SNVBAGLBSA-N 2-Decanol Natural products CCCCCCCC[C@@H](C)O ACUZDYFTRHEKOS-SNVBAGLBSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- JTNCEQNHURODLX-UHFFFAOYSA-N 2-phenylethanimidamide Chemical compound NC(=N)CC1=CC=CC=C1 JTNCEQNHURODLX-UHFFFAOYSA-N 0.000 description 1
- ODJQKYXPKWQWNK-UHFFFAOYSA-N 3,3'-Thiobispropanoic acid Chemical compound OC(=O)CCSCCC(O)=O ODJQKYXPKWQWNK-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000640882 Condea Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-araboascorbic acid Natural products OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 1
- 239000003508 Dilauryl thiodipropionate Substances 0.000 description 1
- 235000002256 Diospyros oleifera Nutrition 0.000 description 1
- 244000153389 Diospyros oleifera Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
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- QAQJMLQRFWZOBN-LAUBAEHRSA-N L-ascorbyl-6-palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](O)[C@H]1OC(=O)C(O)=C1O QAQJMLQRFWZOBN-LAUBAEHRSA-N 0.000 description 1
- 239000011786 L-ascorbyl-6-palmitate Substances 0.000 description 1
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- ACUZDYFTRHEKOS-UHFFFAOYSA-N decan-2-ol Chemical compound CCCCCCCCC(C)O ACUZDYFTRHEKOS-UHFFFAOYSA-N 0.000 description 1
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- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
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- 125000001165 hydrophobic group Chemical group 0.000 description 1
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- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical class [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 235000010241 potassium sorbate Nutrition 0.000 description 1
- 239000004302 potassium sorbate Substances 0.000 description 1
- 229940069338 potassium sorbate Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229960004063 propylene glycol Drugs 0.000 description 1
- KUIXZSYWBHSYCN-UHFFFAOYSA-L remazol brilliant blue r Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=C2C(=O)C3=CC=CC=C3C(=O)C2=C1NC1=CC=CC(S(=O)(=O)CCOS([O-])(=O)=O)=C1 KUIXZSYWBHSYCN-UHFFFAOYSA-L 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000010378 sodium ascorbate Nutrition 0.000 description 1
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 1
- 229960005055 sodium ascorbate Drugs 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 229940100996 sodium bisulfate Drugs 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229940079842 sodium cumenesulfonate Drugs 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- LROWVYNUWKVTCU-STWYSWDKSA-M sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 description 1
- 235000019250 sodium sorbate Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 229940048842 sodium xylenesulfonate Drugs 0.000 description 1
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 1
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 description 1
- QEKATQBVVAZOAY-UHFFFAOYSA-M sodium;4-propan-2-ylbenzenesulfonate Chemical compound [Na+].CC(C)C1=CC=C(S([O-])(=O)=O)C=C1 QEKATQBVVAZOAY-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 235000019303 thiodipropionic acid Nutrition 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229940001496 tribasic sodium phosphate Drugs 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- 125000002264 triphosphate group Chemical class [H]OP(=O)(O[H])OP(=O)(O[H])OP(=O)(O[H])O* 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000010937 tungsten Substances 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
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
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- 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
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
- C11D1/24—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds containing ester or ether groups directly attached to the nucleus
-
- 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
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- 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
- C11D1/38—Cationic compounds
- C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
- C11D1/525—Carboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain two or more hydroxy groups per alkyl group, e.g. R3 being a reducing sugar rest
-
- 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
- C11D1/662—Carbohydrates or derivatives
-
- 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
- C11D1/667—Neutral esters, e.g. sorbitan 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
-
- C11D2111/14—
Definitions
- This invention relates to a novel rinse aid composition and a method for using the same. More particularly, the invention is directed to a method for using a superior rinse aid composition in dishwashing systems that unexpectedly results in dishware that does not display starch build-up after washing.
- dishwashing systems that are effective at handling starchy soils. These systems typically employ commercially available enzymes that break down the starchy soil in the various cycles of the dishwashing systems they are employed in.
- the enzymes used in systems for treating starchy soils on dishware are generally not limited and include those which typically break or hydrolyze the ⁇ -1,4-glycosidic linkages of the starch backbone.
- dishware exiting dishwashing systems In addition to being sanitized, it is very desirable for dishware exiting dishwashing systems to be dry with a glossy finish. These characteristics are often achieved by employing a rinse aid composition in the final rinse step of the dishwashing system.
- rinse aid compositions typically results in dishware with appealing characteristics, such use also can interfere with the removal of starchy soils from the dishware being cleaned. In fact, studies indicate that rinse aid compositions can result in poor starch removal on dishware subject to as little as one cleaning cycle.
- microemulsion useful as a rinse aid composition comprises an oil component of a fatty acid.
- rinse aid compositions comprising nonionic surfactants, acrylic acid polymers and phosphate esters are disclosed.
- rinse aid compositions having fatty acid N-alkyl polyhydroxyalkyl amides are disclosed.
- this invention is directed to a superior rinse aid composition.
- the rinse aid composition is compatible with cleaning systems, like dishwashing systems, designed for removing starchy soils.
- the rinse aid composition which prevents starch build-up, comprises at least one surfactant selected from the group consisting of a nonionic and anionic surfactant, and the rinse aid composition, when contacted with gelled azure starch that is subsequently retrograded and suspended in a detergent wash having a compound capable of causing starch degradation, does not prevent at least about 75% degradation of the suspended azure starch present in the detergent wash as determined by monitoring color development at 596 nm of the detergent wash which comprises about 1.25 grams per liter of suspended azure starch and enough compound capable of degrading, in no more than about 30 minutes, about 1.25 grams of azure starch that, when in its gelled form, was not contacted with the rinse aid composition, or the rinse aid composition, when contacted with a washed ceramic tile originally and uniformly soiled with
- this invention is directed to a cleaning system having the above-described rinse aid composition.
- this invention is directed to a method for preventing starch build-up by using the above-described rinse aid composition.
- % starch degradation is equal to A s /A i x 100 wherein A s is the absorbance at 596 nm of the detergent wash which comprises about 1.25 grams per liter of suspended azure starch that has been subjected to the rinse aid composition of this invention and enough compound capable of degrading, in no more than about 30 minutes, about 1.25 grams of azure starch, when in its gelled form has not been contacted with the rinse aid composition of this invention, and A i is the absorbance at 596 nm of the detergent wash which comprises about 1.25 grams per liter of suspended azure starch that has not been subjected to the rinse aid composition of this invention and enough compound capable of degrading, in no more than a bout 30 minutes, about 1.25 grams of azure starch, when in its gelled form has not been contacted with the rinse aid composition of this invention.
- rinse aid composition is defined to mean 0.0375 grams per liter surfactant, either in the neat or via
- % ⁇ R is equal to (Rw-Ri)/(Rs-Ri)
- the rinse aid composition of this invention takes other than that the rinse aid composition is capable of being used in a cleaning system such as a dishwashing system. Therefore, it is within the scope of this invention for the rinse aid composition to, for example, be a solid, liquid, gel or slurry. In the solid form, the rinse aid composition is often a tablet, block or powder. Preferably, however, the rinse aid composition of this invention is in liquid form.
- the composition When preparing the rinse aid composition of this invention, the composition often comprises at least about 5.0% by weight surfactant, and preferably, at least about 10.0% by weight surfactant, and most preferably, at least about 20.0% by weight surfactant, (not to exceed about 70.0% by weight) based on total weight of the rinse aid composition, and including all ranges subsumed therein.
- the rinse aid composition of this invention may also comprise conventional additives which include water, acids and alcohols.
- rinse aid composition of this invention includes defoaming agents, hydrotropes, chelators, preservatives, hydroxides, buffers, bleach scavengers, flow control agents, colorants, anti-microbial agents, anti-scalants, anti-corrosion agents and the like.
- the surfactant results in a rinse aid composition which, when contacted with gelled azure starch that is subsequently retrograded and suspended in a detergent wash having a compound capable of causing starch degradation, does not prevent at least about 75% degradation of the suspended azure starch present in the detergent wash as determined by monitoring color development at 596 nm of the detergent wash which comprises about 1.25 grams per liter of suspended azure starch and enough compound capable of degrading, in no more than about 30 minutes, about 1.25 grams of azure starch that, when in its gelled form, was not contacted with the rinse aid composition, or the rinse aid composition, when contacted with a washed ceramic tile originally and uniformly soiled with potato starch, does not cause the washed ceramic tile originally and uniformly soiled with potato starch to display a % ⁇ R of more than about 24 as determined by monitoring reflectance at 460 nm of a ceramic tile wherein the ceramic tile:
- the surfactants result in a rinse aid composition which, when contacted with gelled azure starch that is subsequently retrograded and suspended in a detergent wash having a compound capable of causing starch degradation, does not prevent at least about 85% degradation, and most preferably, does not prevent at least about 90% degradation of suspended azure starch as determined by monitoring color development at 596 nm of the detergent wash which comprises about 1.25 grams per liter of suspended azure starch and enough compound capable of degrading, in no more than about 30 minutes, about 1.25 grams of azure starch that, when in its gelled form, was not contacted with the rinse aid composition, or preferably, the surfactants result in a rinse aid composition which, when contacted with a washed ceramic tile soiled with potato starch, does not cause the washed ceramic tile to display a % ⁇ R of more than about 20, and preferably, does not cause the washed ceramic tile to display a % ⁇ R of more than about 18 under
- the surfactant When selecting the surfactant to yield the superior rinse aid composition that prevents starch build-up of this invention, it is important to consider the alkyl chain length of the surfactant employed as well as the nature of the hydrophobe (e.g., branching). It is also important to consider the hydrophilic head groups on the surfactant. It has been unexpectedly discovered that by considering such characteristics of the surfactant, the amount of residual amylose remaining on articles at the end of a wash is substantially eliminated. The substantial elimination of residual amylose on washed articles inevitably results in cleaned articles (like dishes) having a dry, glossy finish, even after being subjected to a cleaning system, like a dishwashing system, on one or multiple occasions.
- the nonionic surfactant which may be employed in this invention includes those which may be generally classified as fatty acid or alcohol condensates.
- the nonionic surfactant may be defined, for example, as a compound produced by the condensation of alkylene oxide groups (hydrophilic groups) with an organic compound having a hydrophobic group.
- Such a nonionic surfactant is commercially available from, for example, Uniqema, Henkel Kilandit GmbH auf Atkien, Shell Chemical Company, Union Carbide, Condea, Stepan and BASF.
- Many of the nonionic surfactants which may be used in this invention are sold under the names Neodol®, Plurafac®, Dehypon and Synperonic. It is also noted herein that derivatives of the commercially available nonionic surfactants may be employed in this invention.
- nonionic surfactants are commercially available from, for example, Uniqema, Nippon Youshi, Toho Chemical and Dow. They are typically sold under the names Tween®, Arlecel®, and Glucopon®, and use of derivatives of these commercially available surfactants is also within the scope of this invention.
- the preferred nonionic surfactant which may be employed in the superior rinse aid composition of this invention is often represented by at least one structural formula selected from the group consisting of: wherein
- each R 1 and each R 2 are not simultaneously hydrogen and each R 6 is not simultaneously hydrogen, and at least about 50% of all units represented as q have at least one R 2 as a C 1 -C 15 alkyl or aryl when each R 1 is hydrogen and each t is 1.
- at least about 55%, and most preferably, at least about 60% of all units represented as q have at least one R 2 as a C 1 -C 15 alkyl or aryl when each R 1 is hydrogen and each t is 1.
- each unit represented as q may be identical or different and q may be a random or block portion of formula I.
- the superior rinse aid composition of this invention will have a first surfactant represented by formula I wherein each R is hydrogen, R 1 is hydrogen, p is an integer from about 11 to about 14, t is 1, q is 8 with a block of 3 ethylene oxide units and a block of 5 propylene oxide units and R 3 is a hydrogen, and a second surfactant represented by formula I wherein each R is hydrogen, R 1 is hydrogen, p is an integer from about 11 to about 14, t is 1, q is 10 with a block of 5 ethylene oxide units and a block of 5 propylene oxide units and R 3 is a hydrogen.
- the first surfactant and second surfactant are sold under the names Synperonic LF/RA270 and Synperonic LF/RA280, respectively, and commercially available from Uniqema.
- the amount of first surfactant to second surfactant employed in the rinse aid composition is not limited, but about 25% to about 100% by weight more of the second surfactant is preferred, based on total weight of first and second surfactant in the rinse aid composition.
- anionic surfactants which may be employed in the rinse aid compositions of this invention include those having a sulfate, phosphate ester or sulfonate group. Such anionic surfactants are often made via conventional processes known in the art. These anionic surfactants are often commercially available from, for example, Stepan Chemical and Dow. Some of the anionic surfactants which may be used in this invention are sold under the name Dowfax®. It is also noted herein that derivatives of these commercially available anionic surfactants may be employed in this invention.
- the preferred anionic surfactant which may be employed in the superior rinse aid composition of this invention is often represented by at least one structural formula selected from the group consisting of: wherein each Ar is independently a monocyclic or polycyclic aromatic radical and each X + is an alkali metal, alkaline earth metal or NH 4 + , and each R 10 is independently a hydrogen, C 1 -C 15 alkyl or an aryl, and r is an integer from about 2 to about 8.
- the preferred conventional additives which may be used in the rinse aid compositions of this invention include hydroxy acids, alcohols, hydrotropes, preservatives and water.
- the hydroxy acids which may be employed in this invention include those that are naturally occurring and commercially available. Often, when preparing the rinse aid compositions of this invention, about 0.0% to about 50.0%, and preferably, from about 5.0% to about 40.0%, and most preferably, from about 10.0% to about 30.0% by weight of hydroxy acid is employed based on total weight of the rinse aid composition, including all ranges subsumed therein.
- An illustrative list of the hydroxy acids which may be used in this invention include malic acid, lactic acid, citric acid, glycollic acid, tartaric acid and the like. Citric acid, however, is often the most preferred hydroxy acid.
- the alcohols which may be employed in this invention include, for example, C 1 -C 8 primary, secondary or tertiary alcohols. Such alcohols are commercially available. Isopropanol, however, is often the most preferred alcohol.
- the rinse aid compositions often employ from about 0.0% to about 20.0%, and preferably from about 0.5% to about 10.0% and most preferably from about 1.0% to about 5.0% by weight alcohol based on total weight of the rinse aid composition.
- hydrotropes which may be employed in this invention are limited only to the extent that they enhance the solubility of the surfactants in the superior rinse aid compositions of this invention.
- the hydrotropes which may be used in this invention are those which are commercially available, and an illustrative list includes sodium xylene sulfonate, sodium cumene sulfonate, hexylene glycol, propylene glycol, dihexyl sodium sulfonate and low molecular weight sulfate.
- Other useful hydrotropes which may be employed in this invention include those described in U.S. Patent Nos. 3,563,901 and 4,443,270, the disclosures of which are incorporated herein by reference.
- hydrotropes When hydrotropes are employed in the superior rinse aid compositions of this invention, they often represent from about 0.1% to about 20.0%, and preferably, from about 2.0% to about 15.0%, and most preferably, from about 5.0% to about 12.0% by weight of the total weight of the rinse aid composition, including all ranges subsumed therein.
- the preservatives which may be used in the rinse aid composition of this invention include ascorbic acid, erythorbic acid, sorbic acid, thiodipropionic acid, ascorbyl palmitate, butylated hydroxyamisol, butylated hydroxytoluene, calcium ascorbate, calcium sorbate, dilauryl thiodipropionate, potassium bisulfate, potassium metabisulfate, potassium sorbate, sodium ascorbate, sodium bisulfate, sodium meta bisulfite, sodium sorbate, sodium sulfite, sulfur dioxide, tocophenols and Group IA and IIA salts, with potassium chloride being preferred.
- preservatives When preservatives are used in the rinse aid compositions of this invention, they typically make up about 0.01% to about 0.2%, and preferably, from about 0.02% to about 0.1%, and most preferably, from about 0.04% to about 0.8% by weight of the total rinse aid composition, including all ranges subsumed therein.
- the superior rinse aid compositions of this invention may be prepared via any of the art recognized techniques.
- the components (e.g., surfactant, water, alcohol) of the rinse aid composition are, for example, mixed, stirred or agitated.
- the rinse aid composition of this invention may be made at ambient temperature, atmospheric pressure or at any pressure or temperature variations which may result in the rinse aid compositions of this invention.
- the addition of the components is not limited to any particular order, with the proviso that the resulting composition is one which may be employed as a rinse aid composition that prevents starch build-up in cleaning systems.
- the total amount of surfactant used in the rinse aid composition of this invention may comprise, consist essentially of, or consist of the nonionic and anionic surfactants described in formulae (I) through (VII).
- the cleaning system which comprises the superior rinse aid composition of this invention is limited only to the extent that the cleaning system is one which has the general objective of producing a clean article that is dry with a glossy finish and free of starch build-up. Therefore, the cleaning system which may employ the rinse aid composition of this invention includes systems for cleaning kitchens and dishware.
- the preferred cleaning system which comprises the rinse aid composition of this invention is, however, a dishwashing system.
- the dishwashing system which may use the rinse aid composition of this invention is not limited and includes those which usually have at least one prewash, wash and rinse step.
- the actual hardware involving the dishwashing system which may use the rinse aid composition of this invention is not limited and includes dishwashing machines that are conventionally used in household kitchens as well as those which may be classified as single or multi-tank industrial warewashing machines and conveyor-type machines.
- the dishwashing system which uses the superior rinse aid composition of this invention also uses a detergent wash.
- the detergent wash which may be used in this invention is generally not limited, and preferably, is one that comprises at least one compound capable of causing starch degradation.
- the compound which is capable of causing starch degradation is only limited to the extent that it is a compound which is capable of hydrolyzing the glycosidic linkages of starch or breaking any of the sp 3 bonds of the glucose monomers that make up the starch backbone.
- the compounds which are used for starch degradation in the detergent washes which may be employed in this invention are generally classified as enzymes, caustic agents, and oxidizing agents, whereby the oxidizing agents may be used with catalysts.
- the enzymes which may be used for starch degradation in the detergent washes used in this invention include ⁇ -amylase enzymes such as those made commercially available from Novo Industries and Genencor and sold, for example, under the names of Purafect OxAm, Termamyl® and Duramyl®.
- the amount of enzyme typically used in the formulation is such that the final use composition of said enzyme component has an enzyme activity of from about 10 to about 10 8 Maltose Units/kilogram, and preferably, from about 10 2 to about 10 6 MU/kg, and preferably, from about 10 2 to about 10 4 MU/kg.
- the enzyme activity as referred to herein can be determined by the method as described by P. Bernfeld in "Method of Enzymology", Volume I (1955), page 149, the disclosure of which is incorporated herein by reference.
- Other additives which may be employed in the enzymatic detergent washes which may be used in this invention include disilicates, such as sodium disilicate, soda ash, triphosphates like sodium triphosphates, chelators like nitriloacetic acid, polycarboxylates such as sodium polycarboxylate, water, fatty acid alcoxylates and alcohol phosphate ester-type defoaming agents.
- disilicates such as sodium disilicate, soda ash, triphosphates like sodium triphosphates, chelators like nitriloacetic acid
- polycarboxylates such as sodium polycarboxylate
- water fatty acid alcoxylates
- alcohol phosphate ester-type defoaming agents A more detailed description of the
- Detergent washes comprising caustic agents that may be used in this invention typically comprise detergent comprising from about 10% to about 75% by weight caustic agent, and preferably, from about 20% to about 65% by weight caustic agent, and most preferably, from about 45% to about 55% by weight caustic agent, based on total weight of the detergent, including all ranges subsumed therein.
- Other additives which may be employed in the detergent washes comprising caustic agents that may be used in this invention include chelators like nitrilotriacetic acid, water and acids like aminomethylene phosphonic acid and gluconic acid.
- a more detailed description of the detergent washes with caustic agents that may be used in this invention include those described in U.S. Patent No. 4,774,014, the disclosure of which is incorporated herein by reference.
- oxidizing agents which may be used in the detergent washes employable in this invention include hydrogen peroxide, chlorine bleach and organo peroxy acids such as those described in U.S. Patent No. 5,741,767, the disclosure of which has been incorporated herein by reference.
- the catalysts which may be used in the detergent washes employable in this invention include, for example, those which are broadly classified as metal containing catalysts that enhance oxidizing agents in breaking the sp 3 bonds of a glucose ring.
- metal containing catalysts include those based on manganese, iron, cobalt, titanium, molybdenum, nickel, chromium, copper, ruthenium, tungsten, silver and mixtures thereof.
- Those include simple water-soluble salts such as those of iron, manganese and cobalt as well as catalysts containing complex ligands.
- Preferred examples of these catalysts include Mn IV 2 ( ⁇ -O) 2 (1,4,7-trimethyl-1,4,7-triazacyclononane) 2 (PF 6 ) 2 , Mn III 2 ( ⁇ -o) 1 ( ⁇ -O ⁇ c) 2 (1,4,7-trimethyl-1,4,7-triazacyclononane) 2 (CIO 4 ) 2 , Mn IV 4 ( ⁇ -O) 6 (1,4,7-triazacyclononane) 4 (CIO 4 ) 4 , Mn III Mn IV 4 ( ⁇ -O) 1 ( ⁇ -OAc) 2 (1,4,7-trimethyl-1,4,7 triazacyclononane) 2 (CIO 4 ) 3 , Mn IV (1,4,7-trimethyl-1,4,7-triazacyclononane)-(OCH 3 ) 3 (PF 6 ), and mixtures thereof.
- the metal containing catalyst is used in combination with the oxidizing agent to enhance or catalyse the oxidizing agent's ability to break the sp 3 bonds of the glucose rings present in the starch backbone.
- the amount of catalyst used is from about 0.05 to about 5.0 weight percent, and preferably, from about 0.05 to about 2.0 weight percent, and most preferably from about 0.075 to about 0.4 weight percent metal containing catalyst based on total weight of the detergent wash, including all ranges subsumed therein.
- a more detailed description of the types of metal catalysts which may be used in this invention includes those described in U.S. Patent No. 5,900,395, the disclosure of which is incorporated herein by reference.
- the method comprises the steps of:
- the article being cleaned e.g., knife, glass mug, cup, china, dishes or plastic kitchen utensils
- the article being cleaned is often subjected to at least one cycle selected from the group consisting of a presoak cycle, a wash cycle and a rinse cycle, followed by a final rinse cycle which utilizes the superior rinse aid composition of this invention.
- the final rinse cycle is typically run for about 5 seconds to about 60 seconds in industrial systems and for about 60 seconds to about 5 minutes in domestic systems, and preferably, for about 6 seconds to about 30 seconds, in industrial systems and 75 seconds to 4 minutes in domestic systems, and most preferably, from about 7 seconds to about 12 seconds, in industrial systems and from about 85 seconds to 15 minutes in domestic systems, including all ranges subsumed therein.
- the temperature of the final rinse is usually from about ambient to about 95°C, and preferably, from about 30°C to about 85°C, and most preferably, from about 40°C to about 75°C, including all ranges subsumed therein, whereby the articles being cleaned are typically dipped in, or preferably, sprayed with the final rinse which comprises the superior rinse aid composition of this invention.
- the final result of such a method is a clean article with a glossy finish, whereby starch build-up has been prevented, and the clean article dries in about substantially the same time as a clean article that has not been subjected to the superior rinse aid composition of this invention but has been subjected to a commercially available rinse aid composition.
- dishwashers for example, that are used with the method of preventing starch build-up in this invention, such dishwashers include those which are made commercially available from manufacturers including KitchenAid, Bendix Appliances, Electrolux, Meiko, Hobart, Winterhalter, Equator Appliance, Frigidaire, Asko USA and the like.
- a first vessel was charged with 500 ml of water and 50 g of commercially available crystalline potato starch. The contents were stirred at ambient temperature to produce a potato starch suspension.
- a second vessel was charged with 5 grams of Remazol brilliant blue dye (commercially available from Aldrich) and 500 ml of water. The contents were stirred at ambient temperature to produce a dye solution. The dye solution was added to the potato starch suspension to produce a starch-dye solution which was subsequently stirred and heated to 50°C. The starch-dye solution was maintained at 50°C for about 45 minutes, during which 100 grams of sodium sulfate were added in parts (about 4 additions).
- a solution having 50 ml of water and 5 grams of tri-basic sodium phosphate was added wherein the resulting final mixture was stirred for 75 minutes while maintaining the temperature at 50°C. After stirring, the final mixture was filtered and the filtrate was discarded. The resulting solid was resuspended in water and refiltered. The washing was repeated until the filtrate obtained was colorless. The resulting final solid was washed with methanol to remove any residual water. The resulting washed final solid was about 50 grams of azure starch as described in this invention (crystalline potato starch with dye covalently bonded to its backbone and having an absorbance of 0.345 at 596 nm).
- Three slides having dry retrograded azure starch were submerged upright in the jacketed beaker with the starch containing sides of the slide facing inward.
- a compound capable of degrading starch (Termamyl 300L, commercially available from Novo) was dosed into the detergent wash in the beaker so that the concentration of starch degrading material was maintained at about 40 ppm.
- the degradation of azure starch on the slides was monitored by spectrophotometric analysis of the detergent wash at 30 second intervals over a thirty minute time period. As the azure starch degraded, soluble fragments of starch containing dye were liberated into the detergent wash.
- the colored detergent wash was circulated through a flow cell with a 1 cm path length via a Hewlett Packard peristaltic pump (No. 89052) set at a flow rate of 50 mL per minute.
- the pumps inlet tube (about 2mm) was fitted with a 45 micron frit to prevent the circulation of any insolube starch fragments into the flow cell.
- Absorbance was measured at 596 nm using a Hewlett Packard 8453 photodiode array spectrophotometer. The absorbance values increased as the colored detergent wash darkened, indicating that more of the azure starch degraded. All data obtained was analyzed with Hewlett Packard UV-Vis Chemstation software and is set forth in Table III.
- Rinse Aid Surfactants 1. 1-decanol sulfate 12. sodium dodecyl 2. 2-decanol lactobionamide 13. C 16-18 3. dodecanol 14. C 12 lactobionamde 4. tetradecanol 15. C 13 (EO) 8 -C 4 H 9 5. hexadecanol 16. C 18 (EO) 8 -C 4 H 9 6. C12-(EO) 2 17. C 12-15 (EO) 5 (PO) 5 7. C12-(EO) 4 18. C 12 - 15 (EO) 9 (PO) 5 8. C12-(EO) 6 19. C 12-15 (EO) 9 (BO) 1-2 9. C12-(EO) 8 20. C 12-15 (EO) 3 (PO) 5 and 10.
- a mixing vessel was charged with deionized water and a 4:1 calcium:magnesium mixture to produce water having a hardness of 150 ppm expressed as CaCO 3 .
- a jacketed beaker was charged with 100 grams of the hard water, and a water temperature of about 95°C was maintained.
- To the water was added a potato starch suspension prepared by adding 15 grams of potato starch (commercially available from Aldrich) to 35 mL of water at about 5°C.
- To 100 grams of the resulting thick gel were added 50 mL of cold (about 5°C) water.
- the resulting mixture was blended with a commercially available blender set on liquefy for about 3 minutes, producing the potato starch soil used in the following experiments.
- Ceramic tiles (about 5.7 cm 2 ) were washed with water and dried.
- Potato starch soil (1 gram), as prepared above, was uniformly applied to the tiles with a brush. The tiles were air dried at room temperature for 15 minutes, then baked at 71°C for 15 minutes, producing soiled tiles.
- a simulated multi-tank dishwashing machine having a wash tank and a rinse tank was set up.
- the wash tank was maintained at 65°C and charged with buffer (1.42g/L) and made from potassium silicate (12.5%), KOH (50%) (balance water) to maintain a detergent wash pH of about 10.
- the detergent wash was dosed with builder (0.56 g/L, commercially available from BASF and sold under the name Sokalan CP7), and Termamyl 300L (enough to produce a 40 ppm solution).
- the detergent wash was also dosed with 0.0375 g/L surfactant (or 0.25 g/L rinse aid having 15% surfactant) (as described in Table IV) in a counter-flow manner to simulate actual dishwashing conditions.
- the rinse tank was charged with the identical rinse aid surfactant that was dosed into the detergent wash in the form of a 0.0375 g/L water solution at about 70°C.
- Six (6) soiled tiles (as prepared above) were washed in the detergent wash for 3 minutes, and then rinsed in the rinse tank for 30 seconds. The tiles were then air dried and the entire process was repeated for a total of three cycles (including soiling) to produce washed tiles subjected to rinse aid composition.
- the reflectance of the washed tiles was measured using a Gardner Reflectometer (Model No. 2000) set at 460*nm (UV filter) .
- the washed tiles were uniformly submerged in an iodine solution (containing 1.5% by weight potassium iodide and 0.2% by weight iodine, balance water) for a few seconds, gently rinsed with deionized water, and allowed to air dry for about 15 minutes.
- the starch build-up on the tiles was recorded as a % ⁇ R (percent change in reflectance) which is determined by taking the difference in the reflectance of the washed tile and a clean tile, divided by the difference in the reflectance of a soiled, unwashed tile and a clean tile.
- the reflectance was measured at the center and four corners of each tile and the values from the six tiles were averaged.
- the % ⁇ R values are set forth in Table IV.
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US34401399A | 1999-06-25 | 1999-06-25 | |
US344013 | 1999-06-25 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8871699B2 (en) | 2012-09-13 | 2014-10-28 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US9023784B2 (en) | 2012-09-13 | 2015-05-05 | Ecolab Usa Inc. | Method of reducing soil redeposition on a hard surface using phosphinosuccinic acid adducts |
US9752105B2 (en) | 2012-09-13 | 2017-09-05 | Ecolab Usa Inc. | Two step method of cleaning, sanitizing, and rinsing a surface |
US9994799B2 (en) | 2012-09-13 | 2018-06-12 | Ecolab Usa Inc. | Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use |
US11865219B2 (en) | 2013-04-15 | 2024-01-09 | Ecolab Usa Inc. | Peroxycarboxylic acid based sanitizing rinse additives for use in ware washing |
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US3563901A (en) * | 1966-08-12 | 1971-02-16 | Grace W R & Co | Rinse aid compositions |
DD262550A3 (de) * | 1986-11-05 | 1988-12-07 | Leuna Werke Veb | Geschirrspuel- und reinigungsmittel |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8871699B2 (en) | 2012-09-13 | 2014-10-28 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US9023784B2 (en) | 2012-09-13 | 2015-05-05 | Ecolab Usa Inc. | Method of reducing soil redeposition on a hard surface using phosphinosuccinic acid adducts |
US9670434B2 (en) | 2012-09-13 | 2017-06-06 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US9752105B2 (en) | 2012-09-13 | 2017-09-05 | Ecolab Usa Inc. | Two step method of cleaning, sanitizing, and rinsing a surface |
US9994799B2 (en) | 2012-09-13 | 2018-06-12 | Ecolab Usa Inc. | Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use |
US10358622B2 (en) | 2012-09-13 | 2019-07-23 | Ecolab Usa Inc. | Two step method of cleaning, sanitizing, and rinsing a surface |
US10377971B2 (en) | 2012-09-13 | 2019-08-13 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US11001784B2 (en) | 2012-09-13 | 2021-05-11 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US11053458B2 (en) | 2012-09-13 | 2021-07-06 | Ecolab Usa Inc. | Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use |
US11859155B2 (en) | 2012-09-13 | 2024-01-02 | Ecolab Usa Inc. | Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use |
US11952556B2 (en) | 2012-09-13 | 2024-04-09 | Ecolab Usa Inc. | Detergent composition comprising phosphinosuccinic acid adducts and methods of use |
US11865219B2 (en) | 2013-04-15 | 2024-01-09 | Ecolab Usa Inc. | Peroxycarboxylic acid based sanitizing rinse additives for use in ware washing |
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