EP3039107A1 - Solid rinse aid composition and method of making same - Google Patents
Solid rinse aid composition and method of making sameInfo
- Publication number
- EP3039107A1 EP3039107A1 EP13892591.2A EP13892591A EP3039107A1 EP 3039107 A1 EP3039107 A1 EP 3039107A1 EP 13892591 A EP13892591 A EP 13892591A EP 3039107 A1 EP3039107 A1 EP 3039107A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- solid
- rinse aid
- rinse
- sulfonate
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 title claims abstract description 156
- 239000000203 mixture Substances 0.000 title claims description 294
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- -1 alkyl naphthalene sulfonate Chemical compound 0.000 claims abstract description 115
- 239000004094 surface-active agent Substances 0.000 claims abstract description 91
- 150000004996 alkyl benzenes Chemical class 0.000 claims abstract description 22
- 238000005187 foaming Methods 0.000 claims abstract description 17
- 239000011973 solid acid Substances 0.000 claims abstract description 15
- 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 abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 96
- 238000004140 cleaning Methods 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 49
- 239000002253 acid Substances 0.000 claims description 33
- 239000002736 nonionic surfactant Substances 0.000 claims description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 239000011734 sodium Substances 0.000 claims description 15
- 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 claims description 13
- 239000003755 preservative agent Substances 0.000 claims description 13
- 229910052708 sodium Inorganic materials 0.000 claims description 13
- 229940048842 sodium xylenesulfonate Drugs 0.000 claims description 11
- 230000002335 preservative effect Effects 0.000 claims description 9
- 239000011149 active material Substances 0.000 claims description 6
- 239000000975 dye Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229940079842 sodium cumenesulfonate Drugs 0.000 claims description 6
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 claims description 6
- 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 claims description 6
- 229940047662 ammonium xylenesulfonate Drugs 0.000 claims description 5
- RCPKXZJUDJSTTM-UHFFFAOYSA-L calcium;2,2,2-trifluoroacetate Chemical compound [Ca+2].[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F RCPKXZJUDJSTTM-UHFFFAOYSA-L 0.000 claims description 5
- 239000013522 chelant Substances 0.000 claims description 5
- HESSGHHCXGBPAJ-UHFFFAOYSA-N n-[3,5,6-trihydroxy-1-oxo-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexan-2-yl]acetamide Chemical compound CC(=O)NC(C=O)C(O)C(C(O)CO)OC1OC(CO)C(O)C(O)C1O HESSGHHCXGBPAJ-UHFFFAOYSA-N 0.000 claims description 5
- GHKGUEZUGFJUEJ-UHFFFAOYSA-M potassium;4-methylbenzenesulfonate Chemical compound [K+].CC1=CC=C(S([O-])(=O)=O)C=C1 GHKGUEZUGFJUEJ-UHFFFAOYSA-M 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- UDHMTPILEWBIQI-UHFFFAOYSA-N butyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(=O)OCCCC)=CC=CC2=C1 UDHMTPILEWBIQI-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- UZVUJVFQFNHRSY-OUTKXMMCSA-J tetrasodium;(2s)-2-[bis(carboxylatomethyl)amino]pentanedioate Chemical group [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 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 37
- 238000007711 solidification Methods 0.000 abstract description 15
- 230000008023 solidification Effects 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 239000003752 hydrotrope Substances 0.000 abstract description 5
- 150000002739 metals Chemical class 0.000 abstract description 3
- 125000000217 alkyl group Chemical group 0.000 description 59
- 230000000845 anti-microbial effect Effects 0.000 description 43
- 125000004432 carbon atom Chemical group C* 0.000 description 41
- 150000001875 compounds Chemical class 0.000 description 36
- 239000000243 solution Substances 0.000 description 31
- 239000000463 material Substances 0.000 description 28
- 239000006260 foam Substances 0.000 description 25
- 239000000126 substance Substances 0.000 description 24
- 238000005406 washing Methods 0.000 description 22
- 235000002639 sodium chloride Nutrition 0.000 description 21
- 230000036541 health Effects 0.000 description 20
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 17
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 15
- 230000002209 hydrophobic effect Effects 0.000 description 15
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 14
- 150000007513 acids Chemical class 0.000 description 14
- 239000004615 ingredient Substances 0.000 description 14
- 239000008247 solid mixture Substances 0.000 description 14
- 239000012190 activator Substances 0.000 description 13
- 239000003945 anionic surfactant Substances 0.000 description 13
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 150000003839 salts Chemical class 0.000 description 13
- 239000000758 substrate Substances 0.000 description 13
- 150000001412 amines Chemical class 0.000 description 12
- 229920001296 polysiloxane Polymers 0.000 description 12
- 239000002280 amphoteric surfactant Substances 0.000 description 11
- 125000000129 anionic group Chemical group 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 11
- 239000003906 humectant Substances 0.000 description 11
- 125000001424 substituent group Chemical group 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910019142 PO4 Inorganic materials 0.000 description 10
- 239000003093 cationic surfactant Substances 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 239000006057 Non-nutritive feed additive Substances 0.000 description 9
- 239000003599 detergent Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 239000008204 material by function Substances 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 235000021317 phosphate Nutrition 0.000 description 9
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 9
- 239000003352 sequestering agent Substances 0.000 description 9
- 241001465754 Metazoa Species 0.000 description 8
- 239000000654 additive Substances 0.000 description 8
- 125000002947 alkylene group Chemical group 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- 125000002091 cationic group Chemical group 0.000 description 8
- 239000002738 chelating agent Substances 0.000 description 8
- 235000019441 ethanol Nutrition 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 8
- 229910052736 halogen Inorganic materials 0.000 description 8
- 150000002367 halogens Chemical class 0.000 description 8
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 8
- 239000000155 melt Substances 0.000 description 8
- 150000007524 organic acids Chemical class 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000002888 zwitterionic surfactant Substances 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 7
- 239000007844 bleaching agent Substances 0.000 description 7
- 150000001720 carbohydrates Chemical class 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 7
- 229940093915 gynecological organic acid Drugs 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 7
- 125000001165 hydrophobic group Chemical group 0.000 description 7
- 235000005985 organic acids Nutrition 0.000 description 7
- 125000006353 oxyethylene group Chemical group 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 244000060011 Cocos nucifera Species 0.000 description 6
- 235000013162 Cocos nucifera Nutrition 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 238000007792 addition Methods 0.000 description 6
- 125000004450 alkenylene group Chemical group 0.000 description 6
- 239000004599 antimicrobial Substances 0.000 description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 6
- 150000002191 fatty alcohols Chemical class 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 125000001453 quaternary ammonium group Chemical group 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 6
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 235000015165 citric acid Nutrition 0.000 description 5
- 239000007859 condensation product Substances 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 5
- 125000001475 halogen functional group Chemical group 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 150000002927 oxygen compounds Chemical class 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 5
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 5
- 239000008234 soft water Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 125000003342 alkenyl group Chemical group 0.000 description 4
- 150000008051 alkyl sulfates Chemical class 0.000 description 4
- 150000001413 amino acids Chemical class 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 239000012736 aqueous medium Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 229960003237 betaine Drugs 0.000 description 4
- 150000007942 carboxylates Chemical class 0.000 description 4
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 4
- 239000003205 fragrance Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 229940083124 ganglion-blocking antiadrenergic secondary and tertiary amines Drugs 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 150000007522 mineralic acids Chemical class 0.000 description 4
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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- WZGREKNBSLUCPW-UHFFFAOYSA-N 1-butylnaphthalene;sodium Chemical compound [Na].C1=CC=C2C(CCCC)=CC=CC2=C1 WZGREKNBSLUCPW-UHFFFAOYSA-N 0.000 description 3
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 3
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
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- 238000001816 cooling Methods 0.000 description 3
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- 150000002430 hydrocarbons Chemical class 0.000 description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 3
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- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229920001983 poloxamer Polymers 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 229920001281 polyalkylene Polymers 0.000 description 3
- 229920005646 polycarboxylate Polymers 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 229960003975 potassium Drugs 0.000 description 3
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 230000003381 solubilizing effect Effects 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- RAADJDWNEAXLBL-UHFFFAOYSA-N 1,2-di(nonyl)naphthalene Chemical compound C1=CC=CC2=C(CCCCCCCCC)C(CCCCCCCCC)=CC=C21 RAADJDWNEAXLBL-UHFFFAOYSA-N 0.000 description 2
- UYYPOPWOFQHNHH-UHFFFAOYSA-N 1,2-dipentylnaphthalene Chemical compound C1=CC=CC2=C(CCCCC)C(CCCCC)=CC=C21 UYYPOPWOFQHNHH-UHFFFAOYSA-N 0.000 description 2
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
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- 238000012958 reprocessing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000021391 short chain fatty acids Nutrition 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- NKAAEMMYHLFEFN-ZVGUSBNCSA-M sodium;(2r,3r)-2,3,4-trihydroxy-4-oxobutanoate Chemical compound [Na+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O NKAAEMMYHLFEFN-ZVGUSBNCSA-M 0.000 description 1
- KVMUSGMZFRRCAS-UHFFFAOYSA-N sodium;5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)diazenyl]-4h-pyrazole-3-carboxylic acid Chemical compound [Na+].OC(=O)C1=NN(C=2C=CC(=CC=2)S(O)(=O)=O)C(=O)C1N=NC1=CC=C(S(O)(=O)=O)C=C1 KVMUSGMZFRRCAS-UHFFFAOYSA-N 0.000 description 1
- 239000013042 solid detergent Substances 0.000 description 1
- 239000012265 solid product 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
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical compound [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- DIORMHZUUKOISG-UHFFFAOYSA-N sulfoformic acid Chemical compound OC(=O)S(O)(=O)=O DIORMHZUUKOISG-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- UJMBCXLDXJUMFB-GLCFPVLVSA-K tartrazine Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-GLCFPVLVSA-K 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 150000004026 tertiary sulfonium compounds Chemical class 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- MSLRPWGRFCKNIZ-UHFFFAOYSA-J tetrasodium;hydrogen peroxide;dicarbonate Chemical compound [Na+].[Na+].[Na+].[Na+].OO.OO.OO.[O-]C([O-])=O.[O-]C([O-])=O MSLRPWGRFCKNIZ-UHFFFAOYSA-J 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
-
- 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
- C11D3/042—Acids
-
- 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
- C11D3/34—Organic compounds containing sulfur
- C11D3/3418—Toluene -, xylene -, cumene -, benzene - or naphthalene sulfonates or sulfates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
Definitions
- the present invention relates to solid rinse aid compositions, and methods for manufacturing and using the same.
- the rinse aid compositions generally include a novel solidification system and surfactants designed for use in pressed or extruded solid formation.
- the rinse aids can be used in aqueous use solutions on articles including, for example, cookware, dishware, flatware, glasses, cups, hard surfaces, healthcare surfaces, glass surfaces, vehicle surfaces, etc. but are particularly useful for metal surfaces.
- Rinse agents may also be used in healthcare environments, typically for cleaning a medical cart, cage, instrument, or device.
- cleaning a medical cart, cage, instrument, or device includes contacting the medical cart, cage, instrument, or device with an aqueous cleaning composition and, rinsing or contacting the same with a rinse solution comprising a dissolved rinse aid.
- the method can also involve antimicrobial treatment of the medical cart, cage, instrument, or device by contacting with an aqueous antimicrobial composition formed by dissolving or suspending a solid antimicrobial composition, preferably a solid quaternary ammonium or solid halogen antimicrobial composition.
- rinse agents to reduce the formation of spotting have been, commonly been added to water to form an aqueous rinse that is sprayed on the hard surfaces after cleaning is complete.
- the precise mechanism through which rinse agents work is not established.
- One theory holds that the surfactant in the rinse agent is absorbed on the surface at temperatures at or above its cloud point, and thereby reduces the solid-liquid interfacial energy and contact angle. This leads to the formation of a continuous sheet which drains evenly from the surface and minimizes the formation of spots.
- high foaming surfactants have cloud points above the temperature of the rinse water, and, according to this theory, would not promote sheet formation, thereby resulting in spots.
- high foaming materials are known to interfere with the operation of warewashing machines.
- rinse aids are currently known, each having certain advantages and disadvantages.
- alternative rinse aid compositions especially alternative rinse aid compositions that are environmentally friendly (e.g., biodegradable), non-corrosive to metal, can handle high total dissolved solids, can handle high water hardness and are easily manufactured as solids.
- the invention includes a solid rinse aid that is particularly designed for pressed or extrusion solid formation and which is effective for leaving spotless surfaces after rinsing, especially rinsing metals without corrosion.
- a solid acid is combined with a short-chain alkylbenzene and alkyl naphthalene sulfonate class of hydrotopes, such as sodium xylene sulfonate, sodium toluene sulfonate, sodium cumene sulfonate, potassium toluene sulfonate, ammonium xylene sulfonate, calcium xylene sulfonate, sodium alkyl naphthalene sulfonate, and/or sodium butylnaphthalene.
- a short-chain alkylbenzene and alkyl naphthalene sulfonate class of hydrotopes such as sodium xylene sulfonate, sodium toluene
- the short-chain alkylbenzene and alkyl naphthalene sulfonate class of hydrotopes act as a solidification agent as well as a surfactant and are combined with at least one nonionic low foaming surfactant.
- a solid rinse agent composition of the present invention thus includes a solid acid for hardness control, a short chain alkyl benzene and/or alkyl naphthalene sulfonate, preferably sodium xylene sulfonate (SXS), and a surfactant system.
- the surfactant is preferably a non-ionic low foaming surfactant.
- the composition of the invention is particularly beneficial for use with hard water and also high total dissolved solid (TDS) conditions.
- the rinse aid concentrate is typically provided in a solid form. This is typically prepared by the steps of combining the solid materials then adding any liquid components. The material is then pressed or extruded to form a solid. In general, it is expected that the solid concentrate will be diluted with water to provide the use solution that is then supplied to the surface of a substrate.
- the use solution preferably contains an effective amount of active material to provide spotless surfaces by rinse water. It should be appreciated that the term "active materials" refers to the nonaqueous portion of the use solution that functions to reduce spotting and filming.
- Some example methods for using the rinse aid generally include the step of providing the rinse aid, mixing the rinse aid into an aqueous use solution, and applying the aqueous use solution to a substrate surface.
- the solid acid is present in an amount of from about 5 wt. to about 40 wt. %.
- the short chain alkyl benzene or alkyl naphthalene sulfonate is present 50wt % to 80 wt % and the nonionic surfactant is present from about 5 wt. % to about 20 wt. % for pressed solid and from about 5 wt. % to about 30 wt. % for an extruded solid.
- the solid rinse aid can also in some embodiments and as enumerated hereinafter, include an additional surfactant, a processing aids such as polyethylene glycol or urea, as well as other components such as a chelant, preservative, fragrant, or dye.
- the present invention is related to methods for rinsing surfaces in a warewashing application or surfaces involved in healthcare.
- the methods comprise providing an aqueous rinse aid composition, diluting the rinse aid composition with water to form an aqueous use solution; and applying the aqueous use solution to the surfaces.
- Figure 1 is s a graph showing hardness performance of compositions of the invention A and B and different commercial rinse aids A-D.
- Figure 2 is a graph showing the total dissolved solids (TDS) performance of compositions of the invention A and B and different commercial rinse aids A-D.
- Figure 3 is a graph showing the metal compatibility data of compositions of the invention A and B and different commercial rinse aids A-D.
- Figure 4 is a graph showing the foam height of compositions of the invention A and B and different commercial rinse aid D at dispenser sump concentration using Glewwe Foam Apparatus.
- Figure 5 is a graph showing foam height of compositions of the invention A and B and different commercial rinse aids A-D at RTU concentration
- the present invention relates to rinse aid compositions, and methods for making and using rinse aid compositions.
- the present invention provides rinse aid compositions including a solid acid, a short-chain alkylbenzene and alkyl naphthalene sulfonate, such as sodium xylene sulfonate, sodium toluene sulfonate, sodium cumene sulfonate, potassium toluene sulfonate, ammonium xylene sulfonate, calcium xylene sulfonate, sodium alkyl naphthalene sulfonate, and/or sodium butylnaphthalene, and at least one additional surfactant preferably a nonionic low foaming surfactant.
- compositions of the present invention can be used to reduce spotting and filming on a variety of surfaces including, but not limited to, plasticware, cookware, dishware, flatware, glasses, cups, hard surfaces, glass surfaces, healthcare surfaces and vehicle surfaces.
- ware refers to items such as eating, cooking, and serving utensils.
- Exemplary items of ware include, but are not limited to: dishes, e.g., plates and bowls; silverware, e.g., forks, knives, and spoons; cups and glasses, e.g., drinking cups and glasses; serving dishes, e.g., fiberglass trays, insulated plate covers.
- warewashing refers to washing, cleaning, or rinsing ware.
- the items of ware that can be contacted, e.g., washed, or rinsed, with the compositions of the invention can be made of any material.
- ware includes items made of wood, metal, ceramics, glass, etc. Ware also refers to items made of plastic. Types of plastics that can be cleaned or rinsed with the
- compositions according to the invention include but are not limited to, those that include polycarbonate polymers (PC), acrilonitrile -butadiene- styrene polymers (ABS), and polysulfone polymers (PS).
- PC polycarbonate polymers
- ABS acrilonitrile -butadiene- styrene polymers
- PS polysulfone polymers
- PET polyethylene terephthalate
- hard surface includes showers, sinks, toilets, bathtubs, countertops, windows, mirrors, transportation vehicles, floors, and the like.
- health care surface refers to a surface of an instrument, a device, a cart, a cage, furniture, a structure, a building, or the like that is employed as part of a health care activity.
- health care surfaces include surfaces of medical or dental instruments, of medical or dental devices, of autoclaves and sterilizers, of electronic apparatus employed for monitoring patient health, and of floors, walls, or fixtures of structures in which health care occurs.
- Health care surfaces are found in hospital, surgical, infirmity, birthing, mortuary, and clinical diagnosis rooms.
- These surfaces can be those typified as "hard surfaces” (such as walls, floors, bed-pans, etc.,), or fabric surfaces, e.g., knit, woven, and non-woven surfaces (such as surgical garments, draperies, bed linens, bandages, etc.,), or patient-care equipment (such as respirators, diagnostic equipment, shunts, body scopes, wheel chairs, beds, etc.,), or surgical and diagnostic equipment.
- Health care surfaces include articles and surfaces employed in animal health care.
- instrument refers to the various medical or dental instruments or devices that can benefit from cleaning using water treated according to the methods of the present invention.
- the phrases "medical instrument,” “dental instrument,” “medical device,” “dental device,” “medical equipment,” or “dental equipment” refer to instruments, devices, tools, appliances, apparatus, and equipment used in medicine or dentistry. Such instruments, devices, and equipment can be cold sterilized, soaked or washed and then heat sterilized, or otherwise benefit from cleaning using water treated according to the present invention. These various instruments, devices and equipment include, but are not limited to: diagnostic instruments, trays, pans, holders, racks, forceps, scissors, shears, saws (e.g.
- hemostats knives, chisels, rongeurs, files, nippers, drills, drill bits, rasps, burrs, spreaders, breakers, elevators, clamps, needle holders, carriers, clips, hooks, gouges, curettes, retractors, straightener, punches, extractors, scoops, keratomes, spatulas, expressors, trocars, dilators, cages, glassware, tubing, catheters, cannulas, plugs, stents, scopes (e.g., endoscopes, stethoscopes, and arthoscopes) and related equipment, and the like, or combinations thereof.
- scopes e.g., endoscopes, stethoscopes, and arthoscopes
- solid as used with reference to the composition of the invention, it is meant that the hardened composition will not flow perceptibly and will substantially retain its shape under moderate stress or pressure or mere gravity, as for example, the shape of a mold when removed from the mold, the shape of an article as formed upon extrusion from an extruder, and the like.
- the degree of hardness of the solid composition can range from that of a fused solid block which is relatively dense and hard, for example, like concrete, to a consistency characterized as being malleable and sponge-like, similar to caulking material.
- the "cloud point" of a surfactant rinse or sheeting agent is defined as the temperature at which a 1 wt. % aqueous solution of the surfactant turns cloudy when warmed.
- health care surface refers to a surface of an instrument, a device, a cart, a cage, furniture, a structure, a building, or the like that is employed as part of a health care activity.
- Examples of health care surfaces include surfaces of medical or dental instruments, of medical or dental devices, of electronic apparatus employed for monitoring patient health, and of floors, walls, or fixtures of structures in which health care occurs. Health care surfaces are found in hospital, surgical, infirmity, birthing, mortuary, and clinical diagnosis rooms.
- These surfaces can be those typified as "hard surfaces” (such as walls, floors, bed-pans, etc.,), or fabric surfaces, e.g., knit, woven, and non-woven surfaces (such as surgical garments, draperies, bed linens, bandages, etc.,), or patient-care equipment (such as respirators, diagnostic equipment, shunts, body scopes, wheel chairs, beds, etc.,), or surgical and diagnostic equipment.
- Health care surfaces include articles and surfaces employed in animal health care.
- medical cart refers to a cart employed in a health care environment to transport one or more medical instruments, devices, or equipment and that can benefit from cleaning with a use composition of a solid cleaning composition, rinsing with a use composition of a solid rinse composition, and/or antimicrobial treatment with a use composition of a solid antimicrobial composition.
- Medical carts include carts for transporting medical or dental devices or instruments or other medical or dental equipment in a health care environment, such as a hospital, clinic, dental or medical office, nursing home, extended care facility, or the like.
- the phrase "medical cage” refers to a cage employed in a health care environment to house and/or transport one or more animals employed in experiments, in clinical or toxicological testing, in diagnostics, or the like. Such animals include a rodent (e.g. a mouse or a rat), a rabbit, a dog, a cat, or the like.
- a medical cage typically includes an animal cage that actually houses the animal and which can be mounted on a wheeled rack.
- the medical cage can also include one or more containers or dispensers for animal food, one or more vessels or dispensers for water, and/or one or more systems for identifying the cart or animals.
- Medical cages can benefit from cleaning with a use composition of a solid alkaline cleaning composition, rinsing with a use composition of a solid rinse composition, and/or antimicrobial treatment with a use composition of a solid antimicrobial composition.
- instrument refers to the various medical or dental instruments or devices that can benefit from cleaning with a use composition of a solid alkaline cleaning composition, rinsing with a use composition of a solid rinse composition, and/or antimicrobial treatment with a use composition of a solid antimicrobial composition.
- the phrases "medical instrument,” “dental instrument,” “medical device,” “dental device,” “medical equipment,” or “dental equipment” refer to instruments, devices, tools, appliances, apparatus, and equipment used in medicine or dentistry. Such instruments, devices, and equipment can be cold sterilized, soaked or washed and then heat sterilized, or otherwise benefit from cleaning in a composition of the present invention. These various instruments, devices and equipment include, but are not limited to: diagnostic instruments, trays, pans, holders, racks, forceps, scissors, shears, saws (e.g.
- hemostats knives, chisels, rongeurs, files, nippers, drills, drill bits, rasps, burrs, spreaders, breakers, elevators, clamps, needle holders, carriers, clips, hooks, gouges, curettes, retractors, straightener, punches, extractors, scoops, keratomes, spatulas, expressors, trocars, dilators, cages, glassware, tubing, catheters, cannulas, plugs, stents, scopes (e.g., endoscopes, stethoscopes, and arthoscopes) and related equipment, and the like, or combinations thereof.
- scopes e.g., endoscopes, stethoscopes, and arthoscopes
- alkyl refers to a straight or branched chain monovalent hydrocarbon radical optionally containing one or more heteroatomic substitutions independently selected from S, O, Si, or N.
- Alkyl groups generally include those with one to twenty atoms. Alkyl groups may be unsubstituted or substituted with those substituents that do not interfere with the specified function of the composition. Substituents include alkoxy, hydroxy, mercapto, amino, alkyl substituted amino, or halo, for example.
- alkyl examples include, but are not limited to, methyl, ethyl, n-propyl, n-butyl, n-pentyl, isobutyl, and isopropyl, and the like.
- alkyl may include “alylenes”, “alkenylenes”, or “alkylynes”.
- alkylene refers to a straight or branched chain divalent hydrocarbon radical optionally containing one or more heteroatomic substitutions independently selected from S, O, Si, or N.
- Alkylene groups generally include those with one to twenty atoms. Alkylene groups may be unsubstituted or substituted with those substituents that do not interfere with the specified function of the composition. Substituents include alkoxy, hydroxy, mercapto, amino, alkyl substituted amino, or halo, for example.
- Examples of "alkylene” as used herein include, but are not limited to, methylene, ethylene, propane- 1,3-diyl, propane- 1,2- diyl and the like.
- alkenylene refers to a straight or branched chain divalent hydrocarbon radical having one or more carbon— carbon double bonds and optionally containing one or more heteroatomic substitutions independently selected from S, O, Si, or N.
- Alkenylene groups generally include those with one to twenty atoms. Alkenylene groups may be unsubstituted or substituted with those substituents that do not interfere with the specified function of the composition. Substituents include alkoxy, hydroxy, mercapto, amino, alkyl substituted amino, or halo, for example. Examples of “alkenylene” as used herein include, but are not limited to, ethene-l,2-diyl, propene- 1,3-diyl, and the like.
- alkylyne refers to a straight or branched chain divalent hydrocarbon radical having one or more carbon— carbon triple bonds and optionally containing one or more heteroatomic substitutions independently selected from S, O, Si, or N.
- Alkylyne groups generally include those with one to twenty atoms. Alkylyne groups may be unsubstituted or substituted with those substituents that do not interfere with the specified function of the composition. Substituents include alkoxy, hydroxy, mercapto, amino, alkyl substituted amino, or halo, for example.
- alkoxy refers to -O-alkyl groups wherein alkyl is as defined above.
- halogen or halo shall include iodine, bromine, chlorine and fluorine.
- mercapto and “sulfhydryl” refer to the substituent -SH.
- hydroxy refers to the substituent -OH.
- amino refers to the substituent -NH 2 .
- compositions of the present invention can comprise, consist of, or consist essentially of the listed steps or ingredients.
- a composition in accordance with embodiments of the present invention that "consists essentially of the recited ingredients does not include any additional ingredients that alter the basic and novel properties of the composition, e.g., the drying time, sheeting ability, spotting or filming properties of the composition.
- weight percent (wt%) As used herein, “weight percent (wt%),” “percent by weight,” “% by weight,” and the like are synonyms that refer to the concentration of a substance as the weight of that substance divided by the total weight of the composition and multiplied by 100.
- the term "about" modifying the quantity of an ingredient in the compositions of the invention or employed in the methods of the invention 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 employed to make the compositions or carry out the methods; and the like.
- the term about 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 "about,” the claims include equivalents to the quantities.
- a solid rinse agent composition of the present invention includes a solid acid, a short-chain alkylbenzene or alkyl naphthalene sulfonate, such as
- sodium xylene sulfonate sodium toluene sulfonate, sodium cumene sulfonate, potassium toluene sulfonate, ammonium xylene sulfonate, calcium xylene sulfonate, sodium alkyl naphthalene sulfonate, and/or sodium butylnaphthalene, and a one or more surfactants, preferably at least one of which is a nonionic low foaming surfactant.
- the solid rinse aid composition is advantageously formulated to give spotless surfaces after rinsing, especially in high hardness and high total dissolved solids (TDS) situations.
- the rinse aid is also particularly useful for metal surfaces and avoids corrosion of the same.
- the invention includes one or more solid acids.
- the solid acid of the composition includes any acid which is naturally or treated to be in solid form at room temperature.
- the term solid includes forms such as powdered, particulate, or granular solid forms.
- Acidic substances include, but are not limited to, pharmaceutically acceptable organic or inorganic acids, hydroxyl-acids, amino acids, Lewis acids, mono- or di-alkali or ammonium salts of molecules containing two or more acid groups, and monomers or polymeric molecules containing at least one acid group.
- suitable acid groups include carboxylic, hydroxamic, amide, phosphates (e.g., mono-hydrogen phosphates and di-hydrogen phosphates), sulfates, and bi-sulfites.
- the acids are organic acids with 2-18 carbon atoms, including, but not limited to, short, medium, or long chain fatty acids, hydroxyl acids, inorganic acids, amino acids, and mixtures thereof.
- the acid is selected from the group consisting of lactic acid, gluconic acid, citric acid, tartaric acid, hydrochloric acid, phosphoric acid, nitric acid, sulfuric acid, maleic acid, monosodium citrate, disodium citrate, potassium citrate, monosodium tartrate, disodium tartrate, potassium tartrate, aspartic acid, carboxymethylcellulose, acrylic polymers, methacrylic polymers, and mixtures thereof.
- organic acids are crystalline solids in pure form (and at room temperature), e.g. citric acid, oxalic acid, benzoic acid.
- Sulphamic acid in an example of an inorganic acid that is solid a room temperature.
- the solid acid or combination of one or more solid acids is present in the rinse aid compositions of the invention in an amount of from about 5 wt. % to about 40 wt. , preferably from about 7.5 wt. % to about 27.5 wt. % and more preferably from about 10 wt. % to about 25 wt. %.
- the class of short chain alkyl benzene or alkyl naphthalene sulfonates work as both a hardening agent and as a hydrotrope and TDS control active in the composition.
- the group includes alkyl benzene sulfonates based on toluene, xylene, and cumene , and alkyl naphthalene sulfonates.
- Sodium toluene sulfonate and sodium xylene sulfonate are the best known hydro topes. These have the general formula below:
- This group includes but is not limited to sodium xylene sulfonate, sodium toluene sulfonate, sodium cumene sulfonate, potassium toluene sulfonate, ammonium xylene sulfonate, calcium xylene sulfonate, sodium alkyl naphthalene sulfonate, and sodium butylnaphthalene sulfonate.
- the solidification agent is SXS.
- the invention provides a solid rinse aid composition including effective amounts of one or more of a short chain alkyl benzene or alkyl naphthalene sulfonates. Surprisingly, this class of hydro topes has been found to add to performance of the solid rinse aid as well as functioning as solidification agent.
- the short chain alkyl benzene or alkyl naphthalene sulfonate may also function as a builder.
- the solid rinse aid composition typically has a melt point greater than 110°F and is dimensionally stable.
- the hardening agent of a short chain alkyl benzene or alkyl naphthalene sulfonate is present in an amount of from about 40 wt. % to about 90 wt. , preferably from about 45 wt. % to about 85 wt. % and more preferably from about 50 wt. % to about 80 wt. %.
- the solid rinse aid can also in some embodiments and as enumerated hereinafter, include an additional processing aids, such as polyethylene glycol, or urea.
- additional processing aids such as polyethylene glycol, or urea.
- the additional processing aids if used is present in an amount of from about .1 wt to about l0 wt .
- Nonionic surfactants useful in the invention are generally characterized by the presence of an organic hydrophobic group and an organic hydrophilic group and are typically produced by the condensation of an organic aliphatic, alkyl aromatic or polyoxyalkylene hydrophobic compound with a hydrophilic alkaline oxide moiety which in common practice is ethylene oxide or a polyhydration product thereof, polyethylene glycol.
- any hydrophobic compound having a hydroxyl, carboxyl, amino, or amido group with a reactive hydrogen atom can be condensed with ethylene oxide, or its polyhydration adducts, or its mixtures with alkoxylenes such as propylene oxide to form a nonionic surface-active agent.
- hydrophilic polyoxyalkylene moiety which is condensed with any particular hydrophobic compound can be readily adjusted to yield a water dispersible or water soluble compound having the desired degree of balance between hydrophilic and hydrophobic properties.
- Useful nonionic surfactants in the present invention include:
- nonionic surfactants include alkoxylated surfactants, such as Dehypon LS-54 (R-(EO) 5 (PO) 4 ) and Dehypon LS-36 (R-(EO) 3 (PO) 6 ); and capped alcohol alkoxylates, such as Plurafac LF221 and Genepol from Clariant, Tegoten ECU; mixtures thereof, or the like.)
- nonionic surfactants that can used include:
- Block polyoxypropylene-polyoxyethylene polymeric compounds based upon propylene glycol, ethylene glycol, glycerol, trimethylolpropane, and ethylenediamine as the initiator reactive hydrogen compound are commercially available under the trade names Pluronic® and Tetronico manufactured by BASF Corp.
- Pluronic® compounds are difunctional (two reactive hydrogens) compounds formed by condensing ethylene oxide with a hydrophobic base formed by the addition of propylene oxide to the two hydroxyl groups of propylene glycol. This hydrophobic portion of the molecule weighs from 1,000 to 4,000. Ethylene oxide is then added to sandwich this hydrophobe between hydrophilic groups, controlled by length to constitute from about 10% by weight to about 80% by weight of the final molecule.
- Tetronic® compounds are tetra-functional block copolymers derived from the sequential addition of propylene oxide and ethylene oxide to ethylenediamine. The molecular weight of the propylene oxide hydrotype ranges from 500 to 7,000; and, the hydrophile, ethylene oxide, is added to constitute from 10% by weight to 80% by weight of the molecule.
- the alkyl group can, for example, be represented by diisobutylene, di-amyl, polymerized propylene, iso-octyl, nonyl, and di-nonyl.
- These surfactants can be polyethylene, polypropylene, and polybutylene oxide condensates of alkyl phenols. Examples of commercial compounds of this chemistry are available on the market under the trade names Igepal® manufactured by Rhone-Poulenc and Triton® manufactured by Dow.
- the alcohol moiety can consist of mixtures of alcohols in the above delineated carbon range or it can consist of an alcohol having a specific number of carbon atoms within this range. Examples of like commercial surfactant are available under the trade names Neodol® manufactured by Shell Chemical Co. and Alfonic® manufactured by Vista Chemical Co.
- the acid moiety can consist of mixtures of acids in the above defined carbon atoms range or it can consist of an acid having a specific number of carbon atoms within the range. Examples of commercial compounds of this chemistry are available on the market under the trade names Nopalcol® manufactured by Henkel Corporation and Lipopeg® manufactured by Lipo Chemicals, Inc.
- ethoxylated carboxylic acids commonly called polyethylene glycol esters
- other alkanoic acid esters formed by reaction with glycerides, glycerin, and polyhydric (saccharide or sorbitan/sorbitol) alcohols have application in this invention. All of these ester moieties have one or more reactive hydrogen sites on their molecule which can undergo further acylation or ethylene oxide (alkoxide) addition to control the hydrophilicity of these substances. Care must be exercised when adding these fatty ester or acylated carbohydrates to compositions of the present invention containing amylase and/or lipase enzymes because of potential incompatibility.
- nonionic surfactant is a low-foaming anionic surfactant.
- nonionic low foaming surfactants include:
- Tetronic® R surfactants are produced by BASF Corporation by the sequential addition of ethylene oxide and propylene oxide to
- the hydrophobic portion of the molecule weighs from 2,100 to 6,700 with the central hydrophile including 10% by weight to 80% by weight of the final molecule.
- defoaming nonionic surfactants disclosed in U.S. Pat. No. 3,382,178 issued May 7, 1968 to Lissant et al. having the general formula Z[(OR) n OH] z wherein Z is alkoxylatable material, R is a radical derived from an alkaline oxide which can be ethylene and propylene and n is an integer from, for example, 10 to 2,000 or more and z is an integer determined by the number of reactive
- Y is the residue of an organic compound having from 2 to 6 carbon atoms and containing x reactive hydrogen atoms in which x has a value of at least 2, n has a value such that the molecular weight of the
- polyoxypropylene hydrophobic base is at least 900 and m has value such that the oxyethylene content of the molecule is from 10% to 90% by weight.
- Compounds falling within the scope of the definition for Y include, for example, propylene glycol, glycerine, pentaerythritol, trimethylolpropane, ethylenediamine and the like.
- the oxypropylene chains optionally, but advantageously, contain small amounts of ethylene oxide and the oxyethylene chains also optionally, but advantageously, contain small amounts of propylene oxide.
- Additional conjugated polyoxyalkylene surface- active agents which are advantageously used in the compositions of this invention correspond to the formula: P[(C 3 H 6 0) N (C2H40) m H] x wherein P is the residue of an organic compound having from 8 to 18 carbon atoms and containing x reactive hydrogen atoms in which x has a value of 1 or 2, n has a value such that the molecular weight of the polyoxyethylene portion is at least 44 and m has a value such that the oxypropylene content of the molecule is from 10% to 90% by weight.
- the oxypropylene chains may contain optionally, but advantageously, small amounts of ethylene oxide and the oxyethylene chains may contain also optionally, but advantageously, small amounts of propylene oxide.
- Polyhydroxy fatty acid amide surfactants suitable for use in the present compositions include those having the structural formula R 2 CONR 1 Z in which: R 1 is H, C C 4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, ethoxy, propoxy group, or a mixture thereof; R is a C5-C 3 I hydrocarbyl, which can be straight-chain; and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative (preferably ethoxylated or propoxylated) thereof.
- Z can be derived from a reducing sugar in a reductive amination reaction; such as a glycityl moiety.
- alkyl ethoxylate condensation products of aliphatic alcohols with from 0 to 25 moles of ethylene oxide are suitable for use in the present
- the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from 6 to 22 carbon atoms.
- the ethoxylated C 6 -Ci 8 fatty alcohols and C 6 -Ci 8 mixed ethoxylated and propoxylated fatty alcohols are suitable surfactants for use in the present compositions, particularly those that are water soluble.
- Suitable ethoxylated fatty alcohols include the ethoxylated fatty alcohols with a degree of ethoxylation of from 3 to 50.
- Suitable nonionic alkylpoly saccharide surfactants, particularly for use in the present compositions include those disclosed in U.S. Pat. No. 4,565,647, Llenado, issued Jan. 21, 1986.
- surfactants include a hydrophobic group containing from 6 to 30 carbon atoms and a polysaccharide, e.g., a polyglycoside, hydrophilic group containing from 1.3 to 10 saccharide units. Any reducing saccharide containing 5 or 6 carbon atoms can be used, e.g., glucose, galactose and galactosyl moieties can be substituted for the glucosyl moieties. (Optionally the hydrophobic group is attached at the 2-, 3-, 4-, etc.
- the intersaccharide bonds can be, e.g., between the one position of the additional saccharide units and the 2-, 3-, 4-, and/or 6-positions on the preceding saccharide units.
- compositions include those having the formula: R 6 CON(R 7 ) 2 in which R 6 is an alkyl group containing from 7 to 21 carbon atoms and each R is independently hydrogen, CrC 4 alkyl, CrC 4 hydroxyalkyl, or— (C 2 H 4 0) x H, where x is in the range of from 1 to 3.
- a useful class of non-ionic surfactants includes the class defined as alkoxylated amines or, most particularly, alcohol alkoxylated/aminated/alkoxylated surfactants. These non-ionic surfactants may be at least in part represented by the general formulae:
- R 20 -N(EO) t H in which R 20 is an alkyl, alkenyl or other aliphatic group, or an alkyl-aryl group of from 8 to 20, preferably 12 to 14 carbon atoms, EO is oxyethylene, PO is
- oxypropylene s is 1 to 20, preferably 2-5, t is 1-10, preferably 2-5, and u is 1-10, preferably 2-5.
- Nonionic Surfactants edited by Schick, M. J., Vol. 1 of the Surfactant Science Series, Marcel Dekker, Inc., New York, 1983 is an excellent reference on the wide variety of nonionic compounds generally employed in the practice of the present invention.
- a typical listing of nonionic classes, and species of these surfactants, is given in U.S. Pat. No. 3,929,678 issued to Laughlin and Heuring on Dec. 30, 1975. Further examples are given in "Surface Active Agents and Detergents" (Vol. I and II by Schwartz, Perry and Berch).
- the solid rinse aid composition can in some embodiments includes water. Water many be independently added to the solid rinse aid composition or may be provided in the solid rinse aid composition as a result of its presence in a material that is added to the solid rinse aid composition.
- materials added to the solid rinse aid composition include water or may be prepared in an aqueous premix available for reaction with the solidification agent component(s).
- water is introduced into the solid rinse aid composition to provide the composition with a desired viscosity prior to solidification, and to provide a desired rate of
- water may be present as a processing aid and may be removed or become water of hydration. It is expected that water may be present in the solid composition. In the solid composition, it is expected that the water will be present in the solid rinse aid composition in the range of between 0 wt.% and 5 wt.%. For example, water is present in embodiments of the solid rinse aid composition in the range of between .1 wt.% to about 5 wt.%, or further embodiments in the range of between .5 wt.% and about 4 wt.%, or yet further embodiments in the range of between 1 wt.% and 3 wt.%. It should be additionally appreciated that the water may be provided as deionized water or as softened water.
- the components used to form the solid composition can include water as hydrates or hydrated forms of the binding agent, hydrates or hydrated forms of any of the other ingredients, and/or added aqueous medium as an aid in processing. It is expected that the aqueous medium will help provide the components with a desired viscosity for processing. In addition, it is expected that the aqueous medium may help in the solidification process when is desired to form the concentrate as a solid. Additional Functional Materials
- the solid rinse aid may contain other functional materials that provide the desired properties and functionality to the solid composition.
- Functional materials include a material that when dispersed or dissolved in a use solution, provides a beneficial property in a particular use.
- a functional material include preservatives, chelating/sequestering agents; bleaching agents or activators; sanitizers/anti-microbial agents; activators; builder or fillers; anti-redeposition agents; optical brighteners; dyes; odorants or perfumes; stabilizers; processing aids; corrosion inhibitors; fillers; solidifiers; additional hardening agent; additional surfactants, solubility modifiers; pH adjusting agents; humectants;
- hydrotropes or a broad variety of other functional materials, depending upon the desired characteristics and/or functionality of the composition.
- the functional materials, or ingredients are optionally included within the solidification matrix for their functional properties.
- the solid rinse aid composition may also include effective amounts of preservatives. Often, overall acidity and/or acids in the solid rinse aid composition and the use solution serves a preservative and stabilizing function. Some embodiments of the inventive solid rinse aid composition also include a preservative system for acidification of the solid rinse aid including sodium bisulfate and organic acids. In at least some embodiments, the solid rinse aid has pH of 2.0 or less and the use solution of the solid rinse aid has a pH of at least pH 4.0. Typically, sodium bisulfate is included in the solid rinse aid composition as an acid source. In certain embodiments, an effective amount of sodium bisulfate and one or more other acids are included in the solid rinse aid composition as a preservative system. Suitable acids include for example, inorganic acids, such as HC1 and organic acids. In certain further embodiments, an effective amount of sodium bisulfate and one or more organic acids are included in the solid rinse aid
- composition as a preservative system.
- Suitable organic acids include sorbic acid, benzoic acid, ascorbic acid, erythorbic acid, citric acid, etc...
- Preferred organic acids include benzoic and ascorbic acid.
- effective amounts of sodium bisulfate with or without additional acids are included such that a use solution of the solid rinse aid composition has a pH that shall be less than pH 4.0, often less pH 3.0, and may be even less than pH 2.0.
- the solid rinse aid composition includes
- sanitizers/anti-microbial agents in addition to or in alternative the preservative system described above. Suitable sanitizers/anti-microbial agents are described below.
- the preservative component if present is typically an amount of the solid rinse aid component in an amount of from about 0.05 to 20 wt % preferably 0.1 to 15 wt % and most preferably 1 wt % to about 10 wt %.
- the solid rinse aid composition may also include effective amounts of chelating/sequestering agents, also referred to as builders.
- the rinse aid may optionally include one or more additional builders as a functional ingredient.
- a chelating agent is a molecule capable of coordinating (i.e., binding) the metal ions commonly found in water sources to prevent the metal ions from interfering with the action of the other ingredients of a rinse aid or other cleaning composition.
- the chelating/sequestering agent may also function as a threshold agent when included in an effective amount.
- the solid rinse aid composition is also phosphate-free and/or amino- carboxylate-free.
- the additional functional materials, including builders exclude phosphorous-containing compounds such as condensed phosphates and
- Suitable additional builders include polycarboxylates.
- polymeric polycarboxylates suitable for use as sequestering agents 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 polymethacrylonitrile, hydrolyzed acrylonitrile-methacrylonitrile copolymers, and the like.
- solid rinse aid composition which are not aminocarboxylate-free may include added chelating/sequestering agents which are aminocarboxylates.
- aminocarboxylic acids include, N- hydroxyethyliminodiacetic acid, nitrilotriacetic acid (NTA),
- EDTA ethylenediaminetetraacetic acid
- HEDTA N-hydroxyethyl-ethylenediaminetriacetic acid
- DTP A diethylenetriaminepentaacetic acid
- added chelating/sequestering agents may include, for example a condensed phosphate, a phosphonate, and the like.
- condensed phosphates include sodium and potassium orthophosphate, sodium and potassium
- a condensed phosphate may also assist, to a limited extent, in solidification of the composition by fixing the free water present in the composition as water of hydration.
- the composition may include a phosphonate such as l-hydroxyethane-1,1- diphosphonic acid CH 3 C(OH)[PO(OH) 2 ] 2 ; aminotri(methylenephosphonic acid) N[CH 2 PO(OH) 2 ] ; aminotri(methylenephosphonate), sodium salt
- a phosphonate such as l-hydroxyethane-1,1- diphosphonic acid CH 3 C(OH)[PO(OH) 2 ] 2 ; aminotri(methylenephosphonic acid) N[CH 2 PO(OH) 2 ] ; aminotri(methylenephosphonate), sodium salt
- phosphonate combination such as ATMP and DTPMP may be used.
- a neutralized or alkaline phosphonate, or a combination of the phosphonate with an alkali source prior to being added into the mixture such that there is little or no heat or gas generated by a neutralization reaction when the phosphonate is added can be used.
- the chelant/sequestering agent if present may be in an amount of from about 0.1 wt. % to about 30 wt. , preferably from about 1 wt. % to about 25 wt. % and more preferably from about 5 wt. % to about 20 wt. %.
- the solid acid may also perform as a chelant. Processing Aids
- the solid rinse aid composition can include additional processing aids.
- processing aids include an amide such as stearic monoethanolamide or lauric diethanolamide, or an alkylamide, and the like; a solid polyethylene glycol, or a solid EO/PO block copolymer, urea and the like; starches that have been made water-soluble through an acid or alkaline treatment process; various inorganics that impart solidifying properties to a heated composition upon cooling, and the like.
- processing aids include an amide such as stearic monoethanolamide or lauric diethanolamide, or an alkylamide, and the like; a solid polyethylene glycol, or a solid EO/PO block copolymer, urea and the like; starches that have been made water-soluble through an acid or alkaline treatment process; various inorganics that impart solidifying properties to a heated composition upon cooling, and the like.
- Such compounds may also vary the solubility of the composition in an aqueous medium during use such that the rinse aid
- the composition may include a secondary hardening agent in an amount in the range of up to about 10 wt .
- secondary hardening agents are may be present in an amount in the range of 0-10 wt%, often in the range of 0 to 5 wt and sometimes in the range of about 0 to about .5 wt-%.
- composition may also include other surfactants as enumerated hereinafter.
- Anionic Surfactants may also include other surfactants as enumerated hereinafter.
- Anionic surfactants are surface active substances which are categorized as anionics because the charge on the hydrophobe is negative; or surfactants in which the hydrophobic section of the molecule carries no charge unless the pH is elevated to neutrality or above (e.g. carboxylic acids).
- Carboxylate, sulfonate, sulfate and phosphate are the polar (hydrophilic) solubilizing groups found in anionic surfactants.
- sodium, lithium and potassium impart water solubility; ammonium and substituted ammonium ions provide both water and oil solubility; and, calcium, barium, and magnesium promote oil solubility.
- anionics are excellent detersive surfactants and are therefore traditionally favored additions to heavy duty detergent compositions as well as rinse aids.
- anionics have high foam profiles which are useful for the present foaming cleaning compositions.
- Anionic surface active compounds are useful to impart special chemical or physical properties other than detergency within the composition.
- the first class includes acylamino acids (and salts), such as acylgluamates, acyl peptides, sarcosinates (e.g. N-acyl sarcosinates), taurates (e.g. N-acyl taurates and fatty acid amides of methyl tauride), and the like.
- the second class includes carboxylic acids (and salts), such as alkanoic acids (and alkanoates), ester carboxylic acids (e.g. alkyl succinates), ether carboxylic acids, and the like.
- the third class includes sulfonic acids (and salts), such as isethionates (e.g.
- acyl isethionates alkylaryl sulfonates, alkyl sulfonates, sulfosuccinates (e.g. monoesters and diesters of sulfosuccinate), and the like.
- a particularly preferred anionic surfactant is alpha olefin sulfonate.
- the fourth class includes sulfonic acids (and salts), such as isethionates (e.g. acyl isethionates), alkylaryl sulfonates, alkyl sulfonates, sulfosuccinates (e.g. monoesters and diesters of sulfosuccinate), and the like.
- the fifth class includes sulfuric acid esters (and salts), such as alkyl ether sulfates, alkyl sulfates, and the like.
- the fifth class includes sulfuric acid esters (and salts), such as alkyl ether sulfates, alkyl sulfates, and the like.
- a particularly preferred anionic surfactant is sodium laurel ether sulfate.
- Anionic sulfate surfactants suitable for use in the present compositions include the linear and branched primary and secondary alkyl sulfates, alkyl ethoxysulfates, fatty oleyl glycerol sulfates, alkyl phenol ethylene oxide ether sulfates, the C 5 -C 17 acyl-N— (Q-Ci alkyl) and ⁇ N ⁇ (C 1 -C 2 hydroxyalkyl) glucamine sulfates, and sulfates of alkylpolysaccharides such as the sulfates of
- alkylpolyglucoside the nonionic nonsulfated compounds being described herein.
- Ammonium and substituted ammonium such as mono-, di- and triethanolamine
- alkali metal such as sodium, lithium and potassium
- salts of the alkyl mononuclear aromatic sulfonates such as the alkyl benzene sulfonates containing from 5 to 18 carbon atoms in the alkyl group in a straight or branched chain, e.g., the salts of alkyl benzene sulfonates or of alkyl toluene, xylene, cumene and phenol sulfonates; alkyl naphthalene sulfonate, diamyl naphthalene sulfonate, and dinonyl naphthalene sulfonate and alkoxylated derivatives.
- Suitable synthetic, water soluble anionic surfactant compounds include the ammonium and substituted ammonium (such as mono-, di- and triethanolamine) and alkali metal (such as sodium, lithium and potassium) salts of the alkyl mononuclear aromatic sulfonates such as the alkyl benzene sulfonates containing from 5 to 18 carbon atoms in the alkyl group in a straight or branched chain, e.g., the salts of alkyl benzene sulfonates or of alkyl toluene, xylene, cumene and phenol sulfonates; alkyl naphthalene sulfonate, diamyl naphthalene sulfonate, and dinonyl naphthalene sulfonate and alkoxylated derivatives.
- ammonium and substituted ammonium such as mono-, di- and triethanolamine
- alkali metal such as sodium
- Anionic carboxylate surfactants suitable for use in the present compositions include the alkyl ethoxy carboxylates, the alkyl polyethoxy polycarboxylate surfactants and the soaps (e.g. alkyl carboxyls).
- Secondary soap surfactants (e.g. alkyl carboxyl surfactants) useful in the present compositions include those which contain a carboxyl unit connected to a secondary carbon.
- the secondary carbon can be in a ring structure, e.g. as in p-octyl benzoic acid, or as in alkyl-substituted cyclohexyl carboxylates.
- the secondary soap surfactants typically contain no ether linkages, no ester linkages and no hydroxyl groups. Further, they typically lack nitrogen atoms in the head-group (amphiphilic portion).
- Suitable secondary soap surfactants typically contain 11-13 total carbon atoms, although more carbons atoms (e.g., up to 16) can be
- anionic surfactants suitable for use in the present compositions include olefin sulfonates, such as long chain alkene sulfonates, long chain hydroxyalkane sulfonates or mixtures of alkenesulfonates and hydroxyalkane- sulfonates. Also included are the alkyl sulfates, alkyl poly(ethyleneoxy)ether sulfates and aromatic poly(ethyleneoxy)sulfates such as the sulfates or condensation products of ethylene oxide and nonyl phenol (usually having 1 to 6 oxyethylene groups per molecule). Resin acids and hydrogenated resin acids are also suitable, such as rosin, hydrogenated rosin, and resin acids and hydrogenated resin acids present in or derived from tallow oil.
- Zwitterionic surfactants can be thought of as a subset of the amphoteric surfactants.
- Zwitterionic surfactants can be broadly described as derivatives of secondary and tertiary amines, derivatives of heterocyclic secondary and tertiary amines, or derivatives of quaternary ammonium, quaternary phosphonium or tertiary sulfonium compounds.
- a zwitterionic surfactant includes a positive charged quaternary ammonium or, in some cases, a sulfonium or phosphonium ion, a negative charged carboxyl group, and an alkyl group.
- Zwitterionics generally contain cationic and anionic groups which ionize to a nearly equal degree in the isoelectric region of the molecule and which can develop strong "inner-salt" attraction between positive-negative charge centers.
- Examples of such zwitterionic synthetic surfactants include derivatives of aliphatic quaternary ammonium, phosphonium, and sulfonium compounds, in which the aliphatic radicals can be straight chain or branched, and wherein one of the aliphatic substituents contains from 8 to 18 carbon atoms and one contains an anionic water solubilizing group, e.g., carboxy, sulfonate, sulfate, phosphate, or phosphonate.
- Betaine and sultaine surfactants are exemplary zwitterionic surfactants for use herein.
- Rl contains an alkyl, alkenyl, or hydroxyalkyl radical of from 8 to 18 carbon atoms having from 0 to 10 ethylene oxide moieties and from 0 to 1 glyceryl moiety
- Y is selected from the group consisting of nitrogen, phosphorus, and sulfur atoms
- R is an alkyl or monohydroxy alkyl group containing 1 to 3 carbon atoms
- x is 1 when Y is a sulfur atom and 2 when Y is a nitrogen or phosphorus atom
- R is an alkylene or hydroxy alkylene or hydroxy alkylene of from 1 to 4 carbon atoms
- Z is a radical selected from the group consisting of carboxylate, sulfonate, sulfate, phosphonate, and phosphate groups.
- Examples of zwitterionic surfactants having the structures listed above include: 4- [N,N-di(2-hydroxyethyl)-N-octadecylammonio] -butane- 1 -car- boxylate; 5-[S-3-hydroxypropyl-S-hexadecylsulfonio]-3-hydroxypentane-l-sul- fate; 3-[P,P- diethyl-P-3,6,9-trioxatetracosanephosphonio]-2-hydroxypropane- -1-phosphate; 3- [N,N-dipropyl-N-3-dodecoxy-2-hydroxypropyl-ammonio]-propan- e-1- phosphonate; 3-(N,N-dimethyl-N-hexadecylammonio)-propane- 1 -sulfonate; 3-(N,N dimethyl-N-hexadecylammonio)-2-hydroxy-
- the zwitterionic surfactant suitable for use in the present compositions includes a betaine of the general structure:
- betaines typically do not exhibit strong cationic or anionic characters at pH extremes nor do they show reduced water solubility in their isoelectric range. Unlike "external" quaternary ammonium salts, betaines are compatible with anionics. Examples of suitable betaines include coconut acylamidopropyldimethyl betaine; hexadecyl dimethyl betaine; C 12 - ⁇ 4
- acylmethylamidodiethylammonio-l-carboxybutane C 16-18 acylamidodimethylbetaine; C 12-16 acylamidopentanediethylbetaine; and C 12-16 acylmethylamidodimethylbetaine.
- Sultaines useful in the present invention include those compounds having the
- R is a C6-Ci8 hydrocarbyl group
- each R is typically independently Q-C 3 alkyl, e.g. methyl
- R is a C -C hydrocarbyl group, e.g. a Q-C 3 alkylene or hydroxyalkylene group.
- Betaines and sultaines and other such zwitterionic surfactants are present in an amount of from Anionic surfactants are present in the composition in any detersive amount which can range typically from about 0.01 wt. % to about 75 wt. % of the rinse aid composition. In a preferred embodiment, about 10 wt. % to about 30 wt. % and more preferably from about 15 wt. % to about 25 wt. %.
- the semi-polar type of nonionic surface active agents is another class of nonionic surfactant useful in compositions of the present invention.
- semi-polar nonionics are high foamers and foam stabilizers, which can limit their application in CIP systems. However, within compositional embodiments of this invention designed for high foam cleaning methodology, semi-polar nonionics would have immediate utility.
- the semi-polar nonionic surfactants include the amine oxides, phosphine oxides, sulfoxides and their alkoxylated derivatives.
- Amine oxides are tertiary amine oxides corresponding to the general formula:
- R 1 , R 2 , and R may be aliphatic, aromatic, heterocyclic, alicyclic, or combinations thereof.
- R 1 is an alkyl radical of from 8 to
- R 2 and R 3 are alkyl or hydroxyalkyl of 1-3 carbon atoms or a mixture thereof; R 2 and R 3 can be attached to each other, e.g. through an oxygen or nitrogen atom, to form a ring structure; R 4 is an alkaline or a hydroxyalkylene group containing 2 to 3 carbon atoms; and n ranges from 0 to 20.
- Useful water soluble amine oxide surfactants are selected from the coconut or tallow alkyl di- (lower alkyl) amine oxides, specific examples of which are dodecyldimethylamine oxide, tridecyldimethylamine oxide,
- tetradecyldibutylamine oxide octadecyldibutylamine oxide, bis(2- hydroxyethyl)dodecylamine oxide, bis(2-hydroxyethyl)-3-dodecoxy- 1-h- ydroxypropylamine oxide, dimethyl-(2-hydroxydodecyl)amine oxide, 3,6,9- trioctadecyldimethylamine oxide and 3-dodecoxy-2-hydroxypropyldi-(2- - hydroxyethyl) amine oxide.
- Useful semi-polar nonionic surfactants also include the water soluble phosphine oxides having the following structure:
- R is an alkyl, alkenyl or hydroxyalkyl moiety ranging from 10 to 24 carbon atoms in chain length; and R 2 and R 3 are each alkyl moieties separately selected from alkyl hydroxyalkyl groups containing 1 to 3 carbon atoms.
- Examples of useful phosphine oxides include dimethyldecylphosphine oxide, dimethyltetradecylphosphine oxide, methylethyltetradecylphosphine oxide, dimethylhexadecylphosphine oxide, diethyl-2-hydroxyoctyldecylphosp- hine oxide, bis(2-hydroxyethyl)dodecylphosphine oxide, and
- Semi-polar nonionic surfactants useful herein also include the water soluble sulfoxide compounds which have the structure:
- R 1 is an alkyl or hydroxyalkyl moiety of 8 to 28 carbon atoms, from 0 to 5 ether linkages and from 0 to 2 hydroxyl substituents; and R is an alkyl moiety consisting of alkyl and hydroxyalkyl groups having 1 to 3 carbon atoms.
- sulfoxides include dodecyl methyl sulfoxide; 3- hydroxy tridecyl methyl sulfoxide; 3-methoxy tridecyl methyl sulfoxide; and 3- hydroxy-4-dodecoxybutyl methyl sulfoxide.
- anionic surfactants are given in "Surface Active Agents and Detergents" (Vol. I and II by Schwartz, Perry and Berch). A variety of such surfactants are also generally disclosed in U.S. Pat. No. 3,929,678, issued Dec. 30, 1975 to Laughlin, et al. at Column 23, line 58 through Column 29, line 23.
- cationic surfactants may be synthesized from any combination of elements containing an "onium" structure RnX+Y— and could include compounds other than nitrogen (ammonium) such as phosphorus (phosphonium) and sulfur (sulfonium).
- ammonium such as phosphorus (phosphonium) and sulfur (sulfonium).
- the cationic surfactant field is dominated by nitrogen containing compounds, probably because synthetic routes to nitrogenous cationics are simple and straightforward and give high yields of product, which can make them less expensive.
- Cationic surfactants preferably include, more preferably refer to, compounds containing at least one long carbon chain hydrophobic group and at least one positively charged nitrogen.
- the long carbon chain group may be attached directly to the nitrogen atom by simple substitution; or more preferably indirectly by a bridging functional group or groups in so-called interrupted alkylamines and amido amines.
- Such functional groups can make the molecule more hydrophilic and/or more water dispersible, more easily water solubilized by co- surfactant mixtures, and/or water soluble.
- additional primary, secondary or tertiary amino groups can be introduced or the amino nitrogen can be quaternized with low molecular weight alkyl groups.
- the nitrogen can be a part of branched or straight chain moiety of varying degrees of unsaturation or of a saturated or unsaturated heterocyclic ring.
- cationic surfactants may contain complex linkages having more than one cationic nitrogen atom.
- the surfactant compounds classified as amine oxides, amphoterics and zwitterions are themselves typically cationic in near neutral to acidic pH solutions and can overlap surfactant classifications.
- Polyoxyethylated cationic surfactants generally behave like nonionic surfactants in alkaline solution and like cationic surfactants in acidic solution.
- R represents a long alkyl chain
- R', R", and R' may be either long alkyl chains or smaller alkyl or aryl groups or hydrogen and X represents an anion.
- the amine salts and quaternary ammonium compounds are preferred for practical use in this invention due to their high degree of water solubility.
- the majority of large volume commercial cationic surfactants can be subdivided into four major classes and additional sub-groups known to those of skill in the art and described in "Surfactant Encyclopedia," Cosmetics & Toiletries, Vol. 104 (2) 86-96 (1989).
- the first class includes alkylamines and their salts.
- the second class includes alkyl imidazolines.
- the third class includes ethoxylated amines.
- the fourth class includes quaternaries, such as
- alkylbenzyldimethylammonium salts alkylbenzene salts, heterocyclic ammonium salts, tetra alkylammonium salts, and the like.
- Cationic surfactants are known to have a variety of properties that can be beneficial in the present compositions.
- These desirable properties can include detergency in compositions of or below neutral pH, antimicrobial efficacy, thickening or gelling in cooperation with other agents, and the like.
- Cationic surfactants useful in the compositions of the present invention include those having the formula R 1 m R2 X YLZ wherein each R 1 is an organic group containing a straight or branched alkyl or alkenyl group optionally substituted with up to three phenyl or hydroxy groups and optionally interrupted by up to four of the following structures:
- R 1 groups can additionally contain up to 12 ethoxy groups, m is a number from 1 to 3.
- m is a number from 1 to 3.
- no more than one R 1 group in a molecule has 16 or more carbon atoms when m is 2, or more than 12 carbon atoms when m is 3.
- R is an alkyl or hydroxyalkyl group containing from 1 to 4 carbon atoms or a benzyl group with no more than one R in a molecule being benzyl, and x is a number from 0 to 11, preferably from 0 to 6. The remainder of any carbon atom positions on the Y group is filled by hydrogens.
- Y can be a group including, but not limited to:
- L is 1 or 2
- the Y groups being separated by a moiety selected from R 1 and R 2 analogs (preferably alkylene or alkenylene) having from 1 to 22 carbon atoms and two free carbon single bonds when L is 2.
- Z is a water soluble anion, such as sulfate, methylsulfate, hydroxide, or nitrate anion, particularly preferred being sulfate or methyl sulfate anions, in a number to give electrical neutrality of the cationic component.
- Amphoteric, or ampholytic, surfactants contain both a basic and an acidic hydrophilic group and an organic hydrophobic group. These ionic entities may be any of the anionic or cationic groups described herein for other types of surfactants.
- a basic nitrogen and an acidic carboxylate group are the typical functional groups employed as the basic and acidic hydrophilic groups.
- surfactants sulfonate, sulfate, phosphonate or phosphate provide the negative charge.
- Amphoteric surfactants can be broadly described as derivatives of aliphatic secondary and tertiary amines, in which the aliphatic radical may be straight chain or branched and wherein one of the aliphatic substituents contains from 8 to 18 carbon atoms and one contains an anionic water solubilizing group, e.g., carboxy, sulfo, sulfato, phosphato, or phosphono.
- Amphoteric surfactants are subdivided into two major classes known to those of skill in the art and described in "Surfactant Encyclopedia," Cosmetics & Toiletries, Vol. 104 (2) 69-71 (1989).
- the first class includes acyl/dialkyl ethylenediamine derivatives (e.g. 2-alkyl hydroxyethyl imidazoline derivatives) and their salts.
- the second class includes N-alkylamino acids and their salts.
- Amphoteric surfactants can be synthesized by methods known to those of skill in the art. For example, 2-alkyl hydroxyethyl imidazoline is synthesized by condensation and ring closure of a long chain carboxylic acid (or a derivative) with dialkyl ethylenediamine. Commercial amphoteric surfactants are derivatized by subsequent hydrolysis and ring-opening of the imidazoline ring by alkylation— for example with ethyl acetate. During alkylation, one or two carboxy-alkyl groups react to form a tertiary amine and an ether linkage with differing alkylating agents yielding different tertiary amines.
- R is an acyclic hydrophobic group containing from 8 to 18 carbon atoms and M is a cation to neutralize the charge of the anion, generally sodium.
- imidazoline-derived amphoterics that can be employed in the present compositions include for example: Cocoamphopropionate,
- Cocoamphocarboxy-propionate Cocoamphoglycinate, Cocoamphocarboxy- glycinate, Cocoamphopropyl-sulfonate, and Cocoamphocarboxy-propionic acid.
- Preferred amphocarboxylic acids are produced from fatty imidazolines in which the dicarboxylic acid functionality of the amphodicarboxylic acid is diacetic acid and/or dipropionic acid.
- Betaines are a special class of amphoteric discussed herein below in the section entitled, Zwitterion Surfactants.
- N-alkylamino acids are readily prepared by reacting RNH 2 , in which R.dbd.Cg-Cig straight or branched chain alkyl, fatty amines with halogenated carboxylic acids. Alkylation of the primary amino groups of an amino acid leads to secondary and tertiary amines. Alkyl substituents may have additional amino groups that provide more than one reactive nitrogen center. Most commercial N- alkylamine acids are alkyl derivatives of beta-alanine or beta-N(2-carboxyethyl) alanine.
- Examples of commercial N-alkylamino acid ampholytes having application in this invention include alkyl beta-amino dipropionates, RN(C 2 H 4 COOM) 2 and RNHC 2 H 4 COOM.
- R is preferably an acyclic hydrophobic group containing from 8 to 18 carbon atoms
- M is a cation to neutralize the charge of the anion.
- Preferred amphoteric surfactants include those derived from coconut products such as coconut oil or coconut fatty acid.
- the more preferred of these coconut derived surfactants include as part of their structure an ethylenediamine moiety, an alkanolamide moiety, an amino acid moiety, preferably glycine, or a combination thereof; and an aliphatic substituent of from 8 to 18 (preferably 12) carbon atoms.
- Such a surfactant can also be considered an alkyl amphodicarboxylic acid.
- Disodium cocoampho dipropionate is one most preferred amphoteric surfactant and is commercially available under the tradename MiranolTM FBS from Rhodia Inc., Cranbury, N.J.
- Another most preferred coconut derived amphoteric surfactant with the chemical name disodium cocoampho diacetate is sold under the tradename Miranol C2M-SF Cone, also from Rhodia Inc., Cranbury, N.J.
- Additional surfactant may be present in the compositions in any detersive amount so long as they do not interfere with the electrostatic, ionic interactions that provide for foam stabilization.
- the rinse aid can optionally include bleaching agent.
- Bleaching agent can be used for lightening or whitening a substrate, and can include bleaching compounds capable of liberating an active halogen species, such as Cl 2 , Br 2 , -OC1 " and/or -OBr " , or the like, under conditions typically encountered during the cleansing process.
- Suitable bleaching agents for use can include, for example, chlorine-containing compounds such as a chlorine, a hypochlorite, chloramines, of the like.
- Some examples of halogen-releasing compounds include the alkali metal
- a bleaching agent may also include an agent containing or acting as a source of active oxygen.
- the active oxygen compound acts to provide a source of active oxygen, for example, may release active oxygen in aqueous solutions.
- An active oxygen compound can be inorganic or organic, or can be a mixture thereof. Some examples of active oxygen compound include peroxygen compounds, or peroxygen compound adducts.
- a rinse aid composition may include a minor but effective amount of a bleaching agent, for example, in some embodiments, in the range of up to about 10 wt. , and in some embodiments, in the range of about 0.1 to about 6 wt. %.
- Activators such as tetraacetylethylene diamine, and the like.
- the antimicrobial activity or bleaching activity of the rinse aid can be enhanced by the addition of a material which, when the composition is placed in use, reacts with the active oxygen to form an activated component.
- a peracid or a peracid salt is formed.
- tetraacetylethylene diamine can be included within the composition to react with the active oxygen and form a peracid or a peracid salt that acts as an antimicrobial agent.
- active oxygen activators include transition metals and their compounds, compounds that contain a carboxylic, nitrile, or ester moiety, or other such compounds known in the art.
- the activator includes tetraacetylethylene diamine; transition metal; compound that includes carboxylic, nitrile, amine, or ester moiety; or mixtures thereof.
- an activator component can include in the range of up to about 75 % by wt. of the composition, in some embodiments, in the range of about 0.01 to about 20% by wt, or in some embodiments, in the range of about 0.05 to 10% by weight of the composition.
- an activator for an active oxygen compound combines with the active oxygen to form an antimicrobial agent.
- the rinse aid composition includes a solid, such as a solid flake, pellet, or block, and an activator material for the active oxygen is coupled to the solid.
- the activator can be coupled to the solid by any of a variety of methods for coupling one solid composition to another.
- the activator can be in the form of a solid that is bound, affixed, glued or otherwise adhered to the solid of the rinse aid composition.
- the solid activator can be formed around and encasing the solid rinse aid composition.
- the solid activator can be coupled to the solid rinse aid composition by the container or package for the composition, such as by a plastic or shrink wrap or film.
- the rinse aid can optionally include a minor but effective amount of one or more of a filler which does not necessarily perform as a rinse and/or cleaning agent per se, but may cooperate with a rinse agent to enhance the overall capacity of the composition.
- suitable fillers may include sodium chloride, starch, sugars, C -C 10 alkylene glycols such as propylene glycol, and the like.
- a filler can be included in an amount in the range of up to about 20 wt. , and in some embodiments, in the range of about 1-15 wt. %.
- Sodium sulfate is conventionally used as inert filler.
- the rinse aid composition can optionally include an anti-redeposition agent capable of facilitating sustained suspension of soils in a rinse solution and preventing removed soils from being redeposited onto the substrate being rinsed.
- an anti-redeposition agent capable of facilitating sustained suspension of soils in a rinse solution and preventing removed soils from being redeposited onto the substrate being rinsed.
- suitable anti-redeposition agents can include fatty acid amides, fluorocarbon surfactants, complex phosphate esters, styrene maleic anhydride copolymers, and cellulosic derivatives such as hydroxyethyl cellulose,
- a rinse aid composition may include up to about 10 wt. , and in some embodiments, in the range of about lto about 5 wt. , of an anti-redeposition agent.
- Dyes may be included to alter the appearance of the composition, as for example, FD&C Blue 1 (Sigma Chemical), FD&C Yellow 5 (Sigma Chemical), Direct Blue 86 (Miles), Fastusol Blue (Mobay Chemical Corp.), Acid Orange 7 (American Cyanamid), Basic Violet 10 (Sandoz), Acid Yellow 23 (GAF), Acid Yellow 17 (Sigma Chemical), Sap Green (Keyston Analine and Chemical), Metanil Yellow (Keystone Analine and Chemical), Acid Blue 9 (Hilton Davis), Sandolan Blue/Acid Blue 182 (Sandoz), Hisol Fast Red (Capitol Color and Chemical), Fluorescein (Capitol Color and Chemical), Acid Green 25 (Ciba-Geigy), and the like.
- Dyes may be included to alter the appearance of the composition, as for example, FD&C Blue 1 (Sigma Chemical), FD&C Yellow 5 (Sigma Chemical), Direct Blue 86 (Miles), Fastusol Blue (Mobay Chemical Corp.), Acid Orange 7 (American Cyanamid
- Fragrances or perfumes that may be included in the compositions include, for example, terpenoids such as citronellol, aldehydes such as amyl cinnamaldehyde, a jasmine such as CIS-jasmine or jasmal, vanillin, and the like.
- terpenoids such as citronellol
- aldehydes such as amyl cinnamaldehyde
- a jasmine such as CIS-jasmine or jasmal, vanillin, and the like.
- composition can also optionally include one or more functional polydimethylsiloxones.
- a polyalkylene oxide- modified polydimethylsiloxane, nonionic surfactant or a polybetaine-modified polysiloxane amphoteric surfactant can be employed as an additive.
- Both, in some embodiments, are linear polysiloxane copolymers to which polyethers or
- polybetaines have been grafted through a hydrosilation reaction.
- Some examples of specific siloxane surfactants are known as SILWET ® surfactants available from Union Carbide or ABIL ® polyether or polybetaine polysiloxane copolymers available from Goldschmidt Chemical Corp., and described in U.S. Pat. No.
- the particular siloxanes used can be described as having, e.g., low surface tension, high wetting ability and excellent lubricity.
- these surfactants are said to be among the few capable of wetting polytetrafluoroethylene surfaces.
- the siloxane surfactant employed as an additive can be used alone or in combination with a fluorochemical surfactant.
- the fluorochemical surfactant employed as an additive optionally in combination with a silane can be, for example, a nonionic fluorohydrocarbon, for example, fluorinated alkyl polyoxyethylene ethanols, fluorinated alkyl alkoxylate and fluorinated alkyl esters.
- a nonionic fluorohydrocarbon for example, fluorinated alkyl polyoxyethylene ethanols, fluorinated alkyl alkoxylate and fluorinated alkyl esters.
- the composition may include functional
- polydimethylsiloxones in an amount in the range of up to about 10 wt-%.
- some embodiments may include in the range of about 0.1 to 10 wt-% of a polyalkylene oxide-modified polydimethylsiloxane or a polybetaine-modified polysiloxane, optionally in combination with about 0.1 to 10 wt-% of a fluorinated hydrocarbon nonionic surfactant.
- the composition can also optionally include one or more humectants.
- a humectant is a substance having an affinity for water.
- the humectant can be provided in an amount sufficient to aid in reducing the visibility of a film on the substrate surface.
- the visibility of a film on substrate surface is a particular concern when the rinse water contains in excess of 200 ppm total dissolved solids.
- the humectant is provided in an amount sufficient to reduce the visibility of a film on a substrate surface when the rinse water contains in excess of 200 ppm total dissolved solids compared to a rinse agent composition not containing the humectant.
- water solids filming or “filming” refer to the presence of a visible, continuous layer of matter on a substrate surface that gives the appearance that the substrate surface is not clean.
- humectants that can be used include those materials that contain greater than 5 wt. % water (based on dry humectant) equilibrated at 50% relative humidity and room temperature.
- Exemplary humectants that can be used include glycerin, propylene glycol, sorbitol, alkyl polyglycosides, polybetaine polysiloxanes, and mixtures thereof.
- the rinse agent composition can include humectant in an amount in the range of up to about 75% based on the total composition, and in some embodiments, in the range of about 5 wt. % to about 75 wt. % based on the weight of the composition.
- Other Ingredients include humectant in an amount in the range of up to about 75% based on the total composition, and in some embodiments, in the range of about 5 wt. % to about 75 wt. % based on the weight of the composition.
- the rinse aid may include other active ingredients, such as pH modifiers, buffering agents, cleaning enzyme, carriers, processing aids, or others, and the like.
- the rinse aid can be formulated such that during use in aqueous operations, for example in aqueous cleaning operations, the rinse water will have a desired pH.
- compositions designed for use in rinsing may be formulated such that during use in aqueous rinsing operation the rinse water will have a pH in the range of about 3 to about 5, or in the range of about 5 to about 9.
- Liquid product formulations in some embodiments have a (10% dilution) pH in the range of about 2 to about 4.
- Techniques for controlling pH at recommended usage levels include the use of buffers, alkali, acids, etc., and are well known to those skilled in the art.
- the present solid composition can be made by an advantageous method of pressing the solid composition. Specifically, in a forming process, the liquid and solid components are introduced into the final mixing system and are continuously mixed until the components form a substantially homogeneous semi-solid mixture in which the components are distributed throughout its mass. In an exemplary embodiment, the components are mixed in the mixing system for at least
- the solid formed composition begins to harden between approximately 1 minute and approximately 3 hours. Particularly, the formed composition begins to harden in between approximately 1 minute and approximately 2 hours. More particularly, the formed composition begins to harden in between approximately 1 minute and approximately 20 minutes.
- the method of the present invention can produce a stable solid without employing a melt and solidification of the melt as in conventional casting.
- Forming a melt requires heating a composition to melt it.
- the heat can be applied externally or can be produced by a chemical exotherm (e.g., from mixing caustic (sodium hydroxide) and water). Heating a composition consumes energy.
- Handling a hot melt requires safety precautions and equipment.
- solidification of a melt requires cooling the melt in a container to solidify the melt and form the cast solid. Cooling requires time and/or energy.
- the present method can employ ambient temperature and humidity during solidification or curing of the present compositions.
- the solids of the present invention are held together not by solidification from a melt but by a binding agent produced in the admixed particles and that is effective for producing a stable solid.
- a single- or twin-screw extruder may be used to combine and mix one or more components agents at high shear to form a homogeneous mixture.
- the processing temperature is at or below the melting temperature of the components.
- the processed mixture may be dispensed from the mixer by pressing, forming, extruding or other suitable means, whereupon the composition hardens to a solid form.
- the structure of the matrix may be characterized according to its hardness, melting point, material distribution, crystal structure, and other like properties according to known methods in the art.
- a solid composition processed according to the method of the invention is substantially homogeneous with regard to the distribution of ingredients throughout its mass and is dimensionally stable.
- the resulting solid composition may take forms including, but not limited to: an extruded, molded or formed solid pellet, block, tablet, powder, granule, flake; or the formed solid can thereafter be ground or formed into a powder, granule, or flake.
- extruded pellet materials formed have a weight of between approximately 50 grams and approximately 250 grams
- extruded solids have a weight of approximately 100 grams or greater
- solid blocks formed have a mass of between approximately 1 and approximately 10 kilograms.
- the solid compositions provide for a stabilized source of functional materials.
- the solid composition may be dissolved, for example, in an aqueous or other medium, to create a concentrated and/or use solution. The solution may be directed to a storage reservoir for later use and/or dilution, or may be applied directly to a point of use.
- the solid rinse aid composition is provided in the form of a unit dose.
- a unit dose refers to a solid rinse aid composition unit sized so that the entire unit is used during a single washing cycle.
- the solid cleaning composition can have a mass of about 1 g to about 50 g.
- the composition can be a solid, a pellet, or a tablet having a size of about 50 g to 250 g, of about 100 g or greater, or about 40 g to about 11,000 g-
- the solid rinse aid composition is provided in the form of a multiple-use solid, such as, a block or a plurality of pellets, and can be repeatedly used to generate aqueous rinse compositions for multiple washing cycles.
- the solid rinse aid composition is provided as a solid having a mass of about 5 g to 10 kg.
- a multiple-use form of the solid rinse aid composition has a mass of about 1 to 10 kg.
- a multiple-use form of the solid rinse aid composition has a mass of about 5 kg to about 8 kg.
- a multiple-use form of the solid rinse aid composition has a mass of about 5 g to about 1 kg, or about 5 g and to 500 g.
- the solid rinse aid composition can be, but is not necessarily, incorporated into a packaging system or receptacle.
- the packaging receptacle or container may be rigid or flexible, and include any material suitable for containing the
- Rinse aid compositions may be allowed to solidify in the packaging or may be packaged after formation of the solids in commonly available packaging and sent to distribution center before shipment to the consumer.
- the temperature of the processed mixture is low enough so that the mixture may be cast or extruded directly into the container or other packaging system without structurally damaging the material.
- the packaging used to contain the rinse aid is manufactured from a flexible, easy opening film material.
- the rinse aid can be dispensed as a concentrate or as a use solution.
- the rinse aid concentrate can be provided in a solid form or in a liquid form.
- the concentrate will be diluted with water to provide the use solution that is then supplied to the surface of a substrate.
- the aqueous use solution may contain about 2,000 parts per million (ppm) or less active materials, or about 1,000 ppm or less active material, or in the range of about 10 ppm to about 500 ppm of active materials, or in the range of about 10 to about 300 ppm, or in the range of about 10 to 200 ppm.
- the use solution can be applied to the substrate during a rinse application, for example, during a rinse cycle, for example, in a warewashing machine, a car wash application, institutional healthcare surface cleaning or the like.
- formation of a use solution can occur from a rinse agent installed in a cleaning machine, for example onto a dish rack.
- the rinse agent can be diluted and dispensed from a dispenser mounted on or in the machine or from a separate dispenser that is mounted separately but cooperatively with the dish machine.
- liquid rinse agents can be dispensed by incorporating compatible packaging containing the liquid material into a dispenser adapted to diluting the liquid with water to a final use concentration.
- dispensers for the liquid rinse agent of the invention are
- solid products may be conveniently dispensed by inserting a solid material in a container or with no enclosure into a spray-type dispenser such as the volume SOL-ET controlled ECOTEMP Rinse Injection Cylinder system manufactured by Ecolab Inc., St. Paul, Minn.
- a spray-type dispenser such as the volume SOL-ET controlled ECOTEMP Rinse Injection Cylinder system manufactured by Ecolab Inc., St. Paul, Minn.
- a spray-type dispenser such as the volume SOL-ET controlled ECOTEMP Rinse Injection Cylinder system manufactured by Ecolab Inc., St. Paul, Minn.
- the dispenser directs water onto the solid block of rinse agent which effectively dissolves a portion of the block creating a concentrated aqueous rinse solution which is then fed directly into the rinse water forming the aqueous rinse.
- the aqueous rinse is then contacted with the surfaces to affect a complete rinse.
- This dispenser and other similar dispensers are capable of controlling the effective concentration of the active portion in the aqueous rinse by measuring the volume of material dispensed, the actual concentration of the material in the rinse water (an electrolyte measured with an electrode) or by measuring the time of the spray on the cast block.
- concentration of active portion in the aqueous rinse is preferably the same as identified above for liquid rinse agents.
- composition of the invention is particularly beneficial for use with hard water.
- the composition can provide good rinsing and levels up to 20gpg water hardness.
- the rinse aid composition of the invention can be used in a high solids containing water environment in order to reduce the appearance of a visible film caused by the level of dissolved solids provided in the water.
- high solids containing water is considered to be water having a total dissolved solids (TDS) content in excess of 200 ppm.
- TDS total dissolved solids
- the service water contains total dissolved solids content in excess of 400 ppm, and even in excess of 800 ppm.
- the applications where the presence of a visible film after washing a substrate is a particular problem includes the restaurant or warewashing industry, the car wash industry, the healthcare instrument reprocessing and cart washing sections, and the general cleaning of hard surfaces.
- the rinse aid When used in these automated washing applications such as ware washers and healthcare instrument and cart washers, the rinse aid should provide effective sheeting action and low foaming properties. It is believed that the rinse aid composition of this invention is adventurously formulated to control the issues mentioned above
- the present methods and solid rinse aid compositions may be used for cleaning a medical cart, cage, instrument, or device in a medical or health care environment.
- cleaning a medical cart, cage, instrument, or device includes contacting the medical cart, cage, instrument, or device with an aqueous cleaning composition and then according to the invention, rinsing or contacting the same with a rinse solution comprising a dissolved rinse aid of the invention.
- the method can also involve antimicrobial treatment of the medical cart, cage, instrument, or device by contacting with an aqueous antimicrobial composition formed by dissolving or suspending a solid antimicrobial composition, preferably a solid quaternary ammonium or solid halogen antimicrobial composition.
- a typical cart, cage, instrument, or device washing apparatus includes a wash station which applies the cleaning composition.
- a washing apparatus also includes a rinse station that can rinse the cart, cage, instrument, or device with water or another suitable rinse composition, such as a solid neutral or neutralizing rinse composition.
- a washing apparatus can also, optionally, include an
- a washing apparatus can conduct one or more of washing, rinsing, and/or antimicrobial treatment of steps at one, two, three, or more stations.
- rinsing a medical cart, cage, instrument, or device can be employed for rinsing a medical cart, cage, instrument, or device made of a variety of materials in a medical or health care environment.
- rinsing a medical cart, cage, instrument, or device includes rinsing the medical cart, cage, instrument, or device using an aqueous rinse composition formed by dissolving or suspending the solid rinse composition of the invention.
- a typical cart, cage, instrument, or device washing apparatus includes a rinse station that can rinse the cart, cage, instrument, or device with a liquid rinse composition formed from a solid neutral or neutralizing rinse composition.
- a washing apparatus can also, optionally, include a washing and/or antimicrobial treatment station.
- the antimicrobial composition employed either for manual or machine medical cart, cage, instrument, or device antimicrobial treatment can be a solid antimicrobial composition, preferably a solid quaternary ammonium or solid halogen antimicrobial composition, which is described in greater detail herein below.
- Medical cart cleaning can be accomplished either manually or with a machine.
- Manual medical cart cleaning can include preparing a use composition of a solid cleaning composition and applying it to the medical cart. Applying typically includes wiping or scrubbing the medical cart with a brush, a towel, or a sponge soaked with the cleaning composition. Applying can also include spraying the cart with the use composition.
- Manual medical cart cleaning can also include preparing a use composition of a rinse composition, preferably a neutral rinse composition, and applying it to the medical cart. Applying a rinse composition can include spraying, pouring, or wiping the use composition onto the cart.
- Manual medical cart cleaning can also include preparing a use composition of a solid antimicrobial composition, preferably a solid quaternary ammonium or solid halogen antimicrobial
- Applying an antimicrobial composition can include spraying, pouring, or wiping the use composition onto the cart. Drying the medical cart, either manually or air drying, typically follows rinsing.
- Machine cleaning of a medical cart can employ any of a variety of configurations of medical cart cleaning apparatus. Such apparatus can be adapted to dispense the solid detergent, rinse aid composition of the invention and/or antimicrobial composition.
- a medical cart cleaning apparatus typically includes at least one chamber that houses the medical cart during washing, rinsing, and/or antimicrobial treatment.
- Smaller medical cart cleaning apparatus typically include a single chamber sized to house, for example, 1-3 medical carts. Medical carts can be introduced into the smaller apparatus by an operator through a door or other coverable opening in the chamber. The apparatus then subjects the carts in the chamber to one or more of washing, rinsing, antimicrobial treatment, and/or drying cycles. Washing typically occurs by spraying the medical cart with a use wash composition. Rinsing typically occurs by spraying the medical cart with a use rinse composition.
- antimicrobial treatment can occur by spraying the medical cart with a use
- Antimicrobial composition Drying can occur by blowing ambient or heated air, or by treating with steam.
- Medical carts can be removed from the chamber by an operator through the same door or other coverable opening or through an exit door or other coverable opening on an opposite side of the apparatus.
- Larger medical cart cleaning apparatus typically includes a transport apparatus that transports one or several carts through one or more chambers including washing, rinsing, optionally antimicrobial treatment, and/or drying stations.
- a medical cart cleaning apparatus can resemble a touchless car wash sized and configured for cleaning medical carts instead of cars.
- the cart is transported through the washing, rinsing, optional antimicrobial treatment, and/or drying stations by a track or rail apparatus while tipped at an acute angle from the horizontal, with its doors (if any) open. This tipping can keep the doors open and allow liquid to drain off any normally horizontal surfaces of the medical cart.
- the entry to a larger medical cart cleaning apparatus can be covered, for example, by a door or with hanging plastic strips that allow entry of carts but that retain use compositions in the apparatus.
- the wash station typically sprays the medical cart with use wash composition.
- a rinse station typically sprays the medical cart with use rinse composition.
- An optional antimicrobial treatment station typically sprays the medical cart with use antimicrobial composition.
- blowers blow ambient or heated air on the cart, or the cart is steam treated.
- the cart can be removed from the apparatus and towel dried.
- One or more stations can be at different, overlapping, or the same locations.
- the exit from the apparatus can be covered in the same manner as the entrance.
- Mechanical cart washers can employ up to about 30 to about 40 gallons of use composition of cleaning composition per wash cycle, up to about 30 to about 40 gallons of use composition rinse composition per rinse cycle, and, optionally, up to about 30 to about 40 gallons of use antimicrobial composition per antimicrobial treatment cycle.
- composition used will be based on the judgment of the user, and will depend upon factors such as the particular product formulation of the composition, the
- a machine that washes medical carts can also be employed to wash other wheeled medical equipment or supplies such as wheel chairs, wheeled stands, such as those that hold intravenous bags, tubes and pumps, wheeled (metro) shelves, and the like.
- Control is Water (0 or 17gpg depending on experimental purpose).
- Commercial Rinse aid A is a commercially available rinse aid from Steris.
- Commercial Rinse aid B is a commercially available rinse aid from Getinge that includes phosphoric acid.
- Rinse aid C is a commercially available liquid rinse aid from Ecolab.
- Commercial rinse aid D is a commercially available solid rinse aid from Ecolab that does not include any hardness or TDS components.
- compositions of the invention were formulated per below and tested.
- Step 6 was repeated for all chemistries with 17 grain water.
- the coupon is removed from the dip tester and set on a rack in the vertical position to cool down to room temperature.
- Steps 4-7 were repeated for all chemistries with 0 grain water.
- composition of the Invention A 125ppm
- control (0 grain water) was added along with coupons with material to be studied; example: aluminum 6061 and aluminum 1100. The vials were labeled.
- Step 6 was repeated for every chemistry with 0 grain water.
- ICP Inductively coupled plasma
- Figure 3 shows the results for the Al coupon and one can see that the compositions of the invention demonstrated very little corrosion. Other metal coupons tested showed that the formulations of the invention are compatible with all metals.
- the Inversion foam test is used to simulate Sump solution agitation. Rinse additive is added to the graduated cylinder, and the foam generated is measured after 10 180' inversions.
- the foam height was immediately recorded when the cylinder was placed on the flat surface. Read the foam height as the difference between the top of the liquid level to the top of the foam level.
- the top of the foam level is the level at which the foam is opaque and the operator cannot see through the cylinder.
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- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
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US14/010,815 US9567551B2 (en) | 2012-06-22 | 2013-08-27 | Solid rinse aid composition and method of making same |
PCT/US2013/059013 WO2015030836A1 (en) | 2013-08-27 | 2013-09-10 | Solid rinse aid composition and method of making same |
Publications (3)
Publication Number | Publication Date |
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EP3039107A1 true EP3039107A1 (en) | 2016-07-06 |
EP3039107A4 EP3039107A4 (en) | 2017-04-05 |
EP3039107B1 EP3039107B1 (en) | 2019-10-23 |
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EP13892591.2A Active EP3039107B1 (en) | 2013-08-27 | 2013-09-10 | Solid rinse aid composition and method of making same |
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EP (1) | EP3039107B1 (en) |
JP (2) | JP6208873B2 (en) |
CN (2) | CN105324473A (en) |
AU (3) | AU2013399081B2 (en) |
BR (1) | BR112016004119B1 (en) |
ES (1) | ES2759203T3 (en) |
MX (1) | MX2016002237A (en) |
WO (1) | WO2015030836A1 (en) |
Families Citing this family (7)
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US9011610B2 (en) | 2012-06-22 | 2015-04-21 | Ecolab Usa Inc. | Solid fast draining/drying rinse aid for high total dissolved solid water conditions |
US9567551B2 (en) | 2012-06-22 | 2017-02-14 | Ecolab Usa Inc. | Solid rinse aid composition and method of making same |
ES2759203T3 (en) * | 2013-08-27 | 2020-05-07 | Ecolab Usa Inc | Solid rinse aid composition and manufacturing method |
EP3337885B1 (en) * | 2015-08-21 | 2020-09-23 | Ecolab Usa Inc. | Pyrithione preservative system in solid rinse aid products |
US10221376B2 (en) * | 2016-04-18 | 2019-03-05 | Ecolab Usa Inc. | Solidification process using low levels of coupler/hydrotrope |
WO2020004191A1 (en) * | 2018-06-28 | 2020-01-02 | 小林製薬株式会社 | Coating material for toilet bowl |
JP7329976B2 (en) * | 2018-06-28 | 2023-08-21 | 小林製薬株式会社 | Coating agent for toilet bowl |
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- 2013-09-10 MX MX2016002237A patent/MX2016002237A/en unknown
- 2013-09-10 EP EP13892591.2A patent/EP3039107B1/en active Active
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- 2013-09-10 BR BR112016004119-4A patent/BR112016004119B1/en active IP Right Grant
- 2013-09-10 CN CN202111545735.9A patent/CN114164058A/en active Pending
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Also Published As
Publication number | Publication date |
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AU2013399081B2 (en) | 2016-12-22 |
WO2015030836A1 (en) | 2015-03-05 |
BR112016004119B1 (en) | 2021-06-29 |
JP2016534204A (en) | 2016-11-04 |
AU2017201539B2 (en) | 2018-11-22 |
CN105324473A (en) | 2016-02-10 |
MX2016002237A (en) | 2016-06-06 |
AU2019201156A1 (en) | 2019-03-07 |
JP6208873B2 (en) | 2017-10-04 |
CN114164058A (en) | 2022-03-11 |
JP6599944B2 (en) | 2019-10-30 |
AU2019201156B2 (en) | 2019-10-31 |
AU2013399081A1 (en) | 2015-11-26 |
JP2017210627A (en) | 2017-11-30 |
EP3039107B1 (en) | 2019-10-23 |
ES2759203T3 (en) | 2020-05-07 |
EP3039107A4 (en) | 2017-04-05 |
AU2017201539A1 (en) | 2017-03-23 |
BR112016004119A2 (en) | 2017-08-01 |
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