EP0906407B1 - Mgda-haltige maschinengeschirrspülmittel niederer alkalität - Google Patents
Mgda-haltige maschinengeschirrspülmittel niederer alkalität Download PDFInfo
- Publication number
- EP0906407B1 EP0906407B1 EP97928266A EP97928266A EP0906407B1 EP 0906407 B1 EP0906407 B1 EP 0906407B1 EP 97928266 A EP97928266 A EP 97928266A EP 97928266 A EP97928266 A EP 97928266A EP 0906407 B1 EP0906407 B1 EP 0906407B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mgda
- acid
- detergent
- salts
- agents
- 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.)
- Revoked
Links
- CIEZZGWIJBXOTE-UHFFFAOYSA-N 2-[bis(carboxymethyl)amino]propanoic acid Chemical compound OC(=O)C(C)N(CC(O)=O)CC(O)=O CIEZZGWIJBXOTE-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000008139 complexing agent Substances 0.000 claims abstract description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 19
- 235000013336 milk Nutrition 0.000 claims abstract description 17
- 239000008267 milk Substances 0.000 claims abstract description 17
- 210000004080 milk Anatomy 0.000 claims abstract description 17
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- 241001122767 Theaceae Species 0.000 claims abstract description 11
- 239000003599 detergent Substances 0.000 claims description 60
- 239000007844 bleaching agent Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 abstract description 17
- 238000004851 dishwashing Methods 0.000 description 25
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 17
- 239000002253 acid Substances 0.000 description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 7
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 102000004190 Enzymes Human genes 0.000 description 6
- 108090000790 Enzymes Proteins 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 6
- -1 aromatic carboxylic acids Chemical class 0.000 description 6
- 239000001506 calcium phosphate Substances 0.000 description 6
- 235000011010 calcium phosphates Nutrition 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229940088598 enzyme Drugs 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 239000003518 caustics Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
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- 150000007513 acids Chemical class 0.000 description 4
- 239000012190 activator Substances 0.000 description 4
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- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 229960004106 citric acid Drugs 0.000 description 4
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- 102000013142 Amylases Human genes 0.000 description 3
- 108010065511 Amylases Proteins 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 108091005804 Peptidases Proteins 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000004365 Protease Substances 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- 235000019418 amylase Nutrition 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 3
- 150000001642 boronic acid derivatives Chemical class 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 235000013365 dairy product Nutrition 0.000 description 3
- 150000002191 fatty alcohols Chemical class 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 150000004967 organic peroxy acids Chemical class 0.000 description 3
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- 229910052700 potassium Inorganic materials 0.000 description 3
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- 239000000047 product Substances 0.000 description 3
- 150000004760 silicates Chemical class 0.000 description 3
- 235000019832 sodium triphosphate Nutrition 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- DEWLEGDTCGBNGU-UHFFFAOYSA-N 1,3-dichloropropan-2-ol Chemical compound ClCC(O)CCl DEWLEGDTCGBNGU-UHFFFAOYSA-N 0.000 description 2
- 239000004382 Amylase Substances 0.000 description 2
- 101100277692 Arabidopsis thaliana GDH1 gene Proteins 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 2
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- UAOKXEHOENRFMP-ZJIFWQFVSA-N [(2r,3r,4s,5r)-2,3,4,5-tetraacetyloxy-6-oxohexyl] acetate Chemical compound CC(=O)OC[C@@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)C=O UAOKXEHOENRFMP-ZJIFWQFVSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- 235000011180 diphosphates Nutrition 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- ROBFUDYVXSDBQM-UHFFFAOYSA-N hydroxymalonic acid Chemical compound OC(=O)C(O)C(O)=O ROBFUDYVXSDBQM-UHFFFAOYSA-N 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229920005646 polycarboxylate Polymers 0.000 description 2
- 159000000005 rubidium salts Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 2
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 2
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- HWSJQFCTYLBBOF-UHFFFAOYSA-N 2,5-diamino-4-hydroxy-1h-pyrimidin-6-one Chemical compound NC1=NC(O)=C(N)C(O)=N1 HWSJQFCTYLBBOF-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- CQWXKASOCUAEOW-UHFFFAOYSA-N 2-[2-(carboxymethoxy)ethoxy]acetic acid Chemical compound OC(=O)COCCOCC(O)=O CQWXKASOCUAEOW-UHFFFAOYSA-N 0.000 description 1
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 1
- ODAKQJVOEZMLOD-UHFFFAOYSA-N 3-[bis(carboxymethyl)amino]-2-hydroxypropanoic acid Chemical compound OC(=O)C(O)CN(CC(O)=O)CC(O)=O ODAKQJVOEZMLOD-UHFFFAOYSA-N 0.000 description 1
- UWRBFYBQPCJRRL-UHFFFAOYSA-N 3-[bis(carboxymethyl)amino]propanoic acid Chemical compound OC(=O)CCN(CC(O)=O)CC(O)=O UWRBFYBQPCJRRL-UHFFFAOYSA-N 0.000 description 1
- VTSFNCCQCOEPKF-UHFFFAOYSA-N 3-amino-1h-pyridin-2-one Chemical class NC1=CC=CN=C1O VTSFNCCQCOEPKF-UHFFFAOYSA-N 0.000 description 1
- DUFGYCAXVIUXIP-UHFFFAOYSA-N 4,6-dihydroxypyrimidine Chemical class OC1=CC(O)=NC=N1 DUFGYCAXVIUXIP-UHFFFAOYSA-N 0.000 description 1
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical group CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
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- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 125000001046 glycoluril group Chemical group [H]C12N(*)C(=O)N(*)C1([H])N(*)C(=O)N2* 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- PMYUVOOOQDGQNW-UHFFFAOYSA-N hexasodium;trioxido(trioxidosilyloxy)silane Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])O[Si]([O-])([O-])[O-] PMYUVOOOQDGQNW-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- PGOMUAXHEQEHJB-UHFFFAOYSA-N manganese;octadecanoic acid Chemical compound [Mn].CCCCCCCCCCCCCCCCCC(O)=O PGOMUAXHEQEHJB-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 229930182817 methionine Natural products 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SXLLDUPXUVRMEE-UHFFFAOYSA-N nonanediperoxoic acid Chemical compound OOC(=O)CCCCCCCC(=O)OO SXLLDUPXUVRMEE-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 150000003142 primary aromatic amines Chemical class 0.000 description 1
- 235000019419 proteases Nutrition 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical class O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 1
- ZZYXNRREDYWPLN-UHFFFAOYSA-N pyridine-2,3-diamine Chemical class NC1=CC=CN=C1N ZZYXNRREDYWPLN-UHFFFAOYSA-N 0.000 description 1
- GGOZGYRTNQBSSA-UHFFFAOYSA-N pyridine-2,3-diol Chemical class OC1=CC=CN=C1O GGOZGYRTNQBSSA-UHFFFAOYSA-N 0.000 description 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical class OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 229960000999 sodium citrate dihydrate Drugs 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 229940045919 sodium polymetaphosphate Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- FNXKBSAUKFCXIK-UHFFFAOYSA-M sodium;hydrogen carbonate;8-hydroxy-7-iodoquinoline-5-sulfonic acid Chemical class [Na+].OC([O-])=O.C1=CN=C2C(O)=C(I)C=C(S(O)(=O)=O)C2=C1 FNXKBSAUKFCXIK-UHFFFAOYSA-M 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical group [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 108010075550 termamyl Proteins 0.000 description 1
- VKFFEYLSKIYTSJ-UHFFFAOYSA-N tetraazanium;phosphonato phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])(=O)OP([O-])([O-])=O VKFFEYLSKIYTSJ-UHFFFAOYSA-N 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-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
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic 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
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3947—Liquid compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3245—Aminoacids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3281—Heterocyclic compounds
Definitions
- the invention relates to machine dishwashing detergents Alkalinity, methylglycinediacetic acid (MGDA) or a salt of which contain and which preferably have a reduced content of Have bleach.
- MGDA methylglycinediacetic acid
- US-A 3 673 098 discloses caustic compositions without Bleaching agents based on KOH and nitrilotriacetic acid (NTA) based.
- Fr-A 1 590 416 also discloses caustic compositions without bleach based on alkali hydroxides, Pyrophosphates and NTA based.
- EP-A-530 635 discloses acidic to mildly alkaline Compositions (pH 5-9) that do not contain complexing agents contain and on builders, enzymes and optionally Oxygen bleaching is based.
- DE-A-3 833 047 discloses acidic compositions (pH 2-6) with hydrolases and builders or complexing agents.
- the Examples disclose high NTA or EDTA share (up to 30%). While these compositions can e.g. Eliminate tea residues well, there is milk residue their effect, measured on a scale from 0 to 10, however always under 5.
- biodegradable complexing agents such as ⁇ -alanine diacetic acid ( ⁇ -ADA) and iso-serine diacetic acid (ISDA), in detergents is in the DE-A-3 829 847 and DE-A-4 036 995. If those Publications Application examples for dishwasher detergents contained, it is machine dishwashing detergent, which in about 0.5% aqueous solution has a pH of more than 10.5.
- DE-A-4 319 935 describes the use of MGDA in Dishwasher detergents disclosed without an example specify.
- MGDA methylglycinediacetic acid
- MGDA is supposed to be a better one, especially for blood-soiled laundry Have effect, as phosphonates and with tea soiled Laundry have about the same effect as phosphonates.
- the same publication discloses that MGDA in a dishwashing detergent, similar to NTA, a very good one Deposit inhibition on glass, metal and porcelain shows, whereby a dishwashing detergent is disclosed which in solution provides pH of more than 10.5. It will too suggested MGDA in very strongly alkaline conditions to use for dairy cleaning.
- a dishwashing detergent excellent cleaning performance for dishes have both milk and milk Tea residue is contaminated.
- This task is accomplished by a Dishwasher detergent dissolved, the methylglycinediacetic acid or their salts as complexing agents and is characterized in that it is approximately 0.5% aqueous solution does not exceed a pH of 10.4 with which Provided that the dishwasher detergent more than 10 wt .-% of Contains methylglycine diacetic acid.
- Milk residues consist of a mixture of denatured proteins (casein), fats, sugars and mineral deposits and consist of around 70% calcium phosphate (Ca 3 (PO 4 ) 2 ).
- Complexing agents therefore have a significant influence on the removal of milk residues because they dissolve calcium phosphates by complexing the calcium ions.
- Tea residues are also based on Ca deposits, that arise when brewing tea with hard water.
- tea residues are usually different Requirements for a dishwasher detergent as Milk residues, which can be seen from the fact that the detergent disclosed in DE-A 3 833 047 in the acidic range (pH 2-6) Tea residues removed satisfactorily, at Milk residues cannot convince.
- the ability (based on the weight of the complexing agent) to complex calcium ions at a certain pH value depends on the stability constant of the calcium complex (pK c ), the acidic character of the complexing agent (pK 3 ) and its molecular weight.
- the theoretical is at pH 10.4 Degree of complexation for calcium phosphates when using NTA at 360 mg / g and when using MGDA at 340 mg / g, and at pH 8 the theoretical values are 510 mg / g for NTA and 490 mg / g for MGDA.
- MGDA was only used in dishwashing detergents used in about 0.5% aqueous solution have a pH of more than 10.4.
- Dishwashing detergents that contain MGDA and one of them 0.5% aqueous solution with a pH of up to 10.4 deliver better both tea residues and milk residues can remove and overall a better washing result have as dishwashing detergent, which instead of MGDA another Contain complexing agents such as the common NTA.
- the sufficient Amount of complexing agent MGDA has the amount of Oxygen bleach can be reduced without changing thereby the flushing performance and in particular the ability Remove milk residues and tea residues, worsened. This surprising finding even opens up the possibility of using a sufficiently large amount of complexing agents completely on the use of To avoid oxygen bleach.
- the dishwashing detergent according to the invention can be liquid or be powdery and also in the form of a single layer or multi-layer tablet. Appropriate Dosage forms and methods of obtaining them are the Known specialist.
- the dishwasher detergents according to the invention preferably contain one or more enzymes such as Amylase, protease, lipase or cellulase. Through the combined application of amylase and protease were the best cleaning results.
- the ones here are particularly suitable for the pH ranges described use effectively; for example, the temperature stable amylase Termamyl (Novo) at pH 7-8 das Optimal of your spectrum of activity.
- the enzymes come in Granulate form or in solution with commercially available Concentrations or activities are used, the Enzyme content is 0.5-6, preferably 1-4% by weight can.
- Suitable builders are homo- and copolymers Polycarboxylic acids and their partially or completely neutralized salts, monomeric polycarboxylic acids and Hydroxycarboxylic acids and their salts, carbonates, bicarbonates, Borates, phosphates, silicates, aluminosilicates and mixtures such substances.
- Preferred salts of the above compounds are the ammonium and / or alkali salts, i.e. the lithium, Sodium, potassium and rubidium salts and particularly preferred the sodium salt used.
- Suitable polycarboxylic acids are acyclic, alicyclic, heterocyclic and aromatic carboxylic acids, these contain at least two carboxy groups, each through preferably no more than two carbon atoms from each other are separated.
- Polycarboxylates containing two carboxy groups include for example water-soluble salts of succinic acid, Malonic acid, (ethylenedioxy) diacetic acid, maleic acid, Diglycolic acid, tartaric acid, tartronic acid and fumaric acid.
- Polycarboxylates containing three carboxy groups include for example, water-soluble citrates.
- Corresponding is suitable as a hydroxycarboxylic acid, for example Citric acid.
- one of aspartic acid can also be used HOOC-CH (NH 2 ) -CH 2 -COOH derived polymer with monomer units of the formula to be named.
- the homopolymer of is also suitable as the polycarboxylic acid Acrylic acid.
- borate builders can also such builders are used, the borates among the Detergent storage conditions or rinsing conditions release.
- Suitable phosphates are polyphosphates such as tripolyphosphate, Pyrophosphate, orthophosphate and the polymeric metaphosphate.
- polyphosphates such as tripolyphosphate, Pyrophosphate, orthophosphate and the polymeric metaphosphate.
- Suitable silicates are sodium silicates such as sodium disilicate, Sodium metasilicate and crystalline layered silicates. Sodium aluminosilicates are also suitable (Zeolite).
- a builder system from the salt of one is particularly preferred Hydroxycarboxylic acid or from the mixture of one Hydroxycarboxylic acid and the salt of a hydroxycarboxylic acid.
- Both the hydroxycarboxylic acid and the salt of Hydroxycarboxylic acid can be completely or partially Tripolyphosphate can be replaced, although this is not preferred becomes.
- the builder system preferably consists of a Hydroxypolycarboxylic acid with 2-4 carboxyl groups (or acidic inorganic salts), which are used to adjust the pH value with their Salt can be mixed.
- Citric acid is preferred or a mixture of sodium citrate with citric acid used.
- the required pH value is suitable depending on the others Components of the mixture e.g. Mix with one predominant proportion of citric acid.
- the water content of liquid dishwashing detergent can be 40-80 % By weight.
- the liquid dishwashing detergents also contain 0.2-5.0% by weight, preferably 0.5-2% by weight, of a thickener.
- a thickener preferably 0.5-2% by weight
- Carboxyvinyl polymers such as those marketed by BF Goodrich under the production name "Carbopol”, proved to be very useful.
- Inorganic compounds which have thickening properties in this product composition can also be used. Examples of this are natural or synthetic thickeners based on differently structured silicate structures. Their use is described in various patents, for example in US-A-4 933 101 or EP-A2-0 407 187.
- nonionic surfactants are suitable as surfactants. These include, for example, water-soluble ethoxylated C 6-16 fatty alcohols and C 6-16 mixed ethoxylated / propoxylated fatty alcohols and mixtures thereof, and also polyglucosides.
- Another class of non-ionic surfactants includes polyhydroxy fatty acid amides.
- the dishwasher detergent according to the invention can further contain one or more foam control agents. All those used in this area are suitable for this Foam control agents such as silicones and Paraffin oil.
- the foam control agents are in the invention Machine dishwashing detergent preferably with less than 5% by weight of the total weight of the detergent.
- the machine dishwashing detergents according to the invention can be used as Bleaching agents prefer chlorine-free, active oxygen releasing bleaches such as inorganic perhydrates or contain organic peracids and their salts.
- inorganic perhydrates are perborates, Percarbonates and persulfates such as peroxymonopersulfate.
- the inorganic perhydrates are usually alkali metal salts, such as lithium, sodium, potassium or rubidium salts, especially the sodium salts.
- the inorganic perhydrates can in the detergent as crystalline solids without protection. For certain perhydrates however, it is advantageous to use them as granular To use compositions with a coating are provided, the better the granular products Gives storage stability.
- the preferred perborate is sodium perborate, which can be present as a monohydrate with the formula NaBO 2 H 2 O 2 or as a tetrahydrate with the formula NaBO 2 H 2 O 2 .3H 2 O.
- the preferred percarbonate is sodium percarbonate with the formula 2Na 2 CO 3 3H 2 O 2 .
- the percarbonate is preferably used in a coated form to increase its stability.
- Organic peracids all conventionally include bleaching agents used organic peracids, including for example perbenzoic acid and peroxycarboxylic acids such as Mono- or diperoxyphthalic acid, 2-octydiperoxysuccinic acid, Diperoxydodecanedicarboxylic acid, Diperoxyazelaic acid and Imidoperoxycarboxylic acid and optionally its salts.
- perbenzoic acid and peroxycarboxylic acids such as Mono- or diperoxyphthalic acid, 2-octydiperoxysuccinic acid, Diperoxydodecanedicarboxylic acid, Diperoxyazelaic acid and Imidoperoxycarboxylic acid and optionally its salts.
- the dishwasher detergent according to the invention can continue to contain one or more bleach activators. These are preferred in detergents for dishwashing operations at temperatures below 60 ° C used to achieve a sufficient bleaching effect.
- N- and O-acyl compounds are particularly suitable such as acylated amines, acylated glycolurils or acylated sugar compounds.
- TAED N, N ', N'-tetraacetylethylenediamine
- PAG pentaacetylglucose
- TAGU tetraacetylglycoluril
- Dishwasher detergent is an oxygen bleach an amount of less than 1% by weight, based on the active Oxygen on. The amount of bleach activator used will be adjusted accordingly.
- the machine dishwashing detergent s a large percentage of MGDA, like 25% or more, preferably 30% or more, in each case based on the free acid, and an oxygen bleach is not used.
- the dishwasher detergent according to the invention can also contain a silver / copper anti-corrosion agent.
- This term includes funds that start up Non-ferrous metals, especially silver and copper, prevent or mitigate.
- Preferred silver / copper anti-corrosion agents are benzotriazole or bis-benzotriazoles as well as their substituted derivatives.
- Suitable agents are organic and / or inorganic redox-active substances and paraffin oil.
- Benzotriazole derivatives are those compounds in which the available substitution sites of the aromatic ring are partially or completely substituted.
- Suitable substituents are linear or branched C 1- 20 alkyl groups are suitable as well as hydroxy, thio, phenyl or halogen such as fluorine, chlorine, bromine and iodine.
- Preferred substituted benzotriazole is tolyltriazole.
- Suitable bis-benzotriazoles are those in which the benzotriazole groups are each connected in the 6-position by a group X, in which X is a bond, a straight-chain alkylene group which is optionally substituted by one or more C 1-4 alkyl groups and preferably has 1-6 carbon atoms , a cycloalkyl radical having at least 5 carbon atoms, a carbonyl group, a sulfuryl group, an oxygen or a sulfur atom.
- the aromatic rings of the bis-benzotriazoles can be substituted as defined above for the benzotriazole.
- Suitable organic redox-active substances are, for example, ascorbic acid, indole, methionine, an N-mono- (C 1 -C 4 alkyl) glycine, an N, N-di (C 1 -C 4 alkyl) glycine, 2- phenylglycine or a coupler and / or developer compound chosen from the group of diaminopyridines, aminohydroxypyridines, dihydroxypyridines, heterocyclic hydrazones, aminohydroxypyrimidines, dihydroxypyrimidines, tetraaminopyrimidines, triaminohydroxypyrimidines, Diaminodihydroxypyrimidine, Dihydroxynaphtaline, naphthols, pyrazolones, hydroxyquinolines, aminoquinolines, primary aromatic amines, which in ortho, meta or para position have a further free or with C 1 -C 4 alkyl or C 2 -C 4 hydroxyalkyl groups substituted hydroxy or amino
- Suitable inorganic redox-active substances are for example, metal salts and / or metal complexes selected from the group of manganese, titanium, zirconium, hafnium, Vanadium, cobalt and cerium salts and / or complexes, wherein the metals in one of the oxidation states II, III, IV, V or VI are available.
- Organic and inorganic redox-active substances which as Silver / copper anti-corrosion agents are suitable also mentioned in WO 94/26860 and WO 94/26859, on the Content hereby referred.
- Suitable paraffin oil are predominantly branched aliphatic hydrocarbons with a number of carbon atoms in the range from 20 to 50.
- the paraffin oil is preferably selected from predominantly branched chain C 25-45 species with a ratio of cyclic to noncyclic hydrocarbons of 1:10 to 2: 1 , preferably from 1: 5 to 1: 1.
- a silver / copper anticorrosive in the machine dishwashing detergent according to the invention is present, it is preferably 0.01 to 5% by weight, particularly preferably with 0.1 to 2 wt .-% of the total weight.
- the proportion of MGDA on the dishwasher detergent is high enough, such as 25% or more, preferably 30% or more, each based on is the free acid, so that there is no bleaching agent can also be used on a silver / copper anti-corrosion agent to be dispensed with.
- the machine dishwashing detergents according to the invention are not caustic and therefore do not require a specially secured one Packaging. A good washing result can be achieved with one relatively low use of 15-20 g powder or 20-50 ml of liquid detergent can be achieved. All ingredients are according to current knowledge, neither toxic nor otherwise harmful to health.
- the cleaning agents described here therefore also represent an environmentally and consumer-friendly Alternative to conventional cleaners with Complexing agents in the strongly basic area work.
- the methylglycinediacetic acid used according to the invention has the following structural formula:
- Methylglycinediacetic acid is particularly preferred as free acid or used as sodium or potassium salt and is preferably in an amount of 3% to 90%, based on the free acid, contained in the detergent.
- the amount of MGDA is preferably at least 5%, based on the free acid.
- an approximately 0.5% aqueous solution of the detergent has a pH of no more than 10.4.
- the pH is preferably about 0.5% aqueous solution of the detergent according to the invention more than 6 to 10.4, particularly preferably from 7 to 10.0.
- the table below shows the quantities of each Components in g and%.
- the ingredients were in one Liters of water of 10 ° hardness dissolved, and the pH of the solution was determined in each case.
- the total amount of ingredients (100%) is 4 g each, corresponding to a 0.4% Concentration as disclosed in Figure 14 of the article.
- MGDA is not commercially available in its pure form and therefore a 77% solution in water was used. A larger amount of the commercially available product had to be used, as shown in the table. Two values are given in the table for MGDA. The first value indicates the amount in g of the commercial product, and the second value corresponds to the corresponding amount of pure substance (100%). S ⁇ FW Journal 122, 1996, 392-397 Ex. 1 Ex. 2 Quantities in g. (%) Ex.
- the following example shows that when replacing part of the builder of a dishwasher detergent with methylglycinediacetic acid at low pH values excellent washing performance can be achieved and especially contrary to theoretical expectations Ability to remove milk residues and tea residues higher than other common complexing agents such as NTA.
- the example illustrates the invention.
- Liquid dishwashing detergents with a Composition as shown in Table 1 is made (both according to the invention using MGDA and using the NTA used in the prior art), and their washing performance was measured using dishes that both Contained milk and tea residues, determined. In this Test was essentially the DIN standard No. 44990, part 2 followed. It became a Bosch SMS 5062 dishwasher used. The water had a hardness of 19 ° dH (3.39 mmol Calcium carbonate), the temperature of the water was 65 ° C and 20 ml of detergent were used in each case. The results The flushing performance was assessed on a scale of 1-5 (5 for 100% clean dishes are rated) and are also listed in Table 1.
- the non-ionic surfactant is a common, low-foaming ethoxylated and propoxylated fatty alcohol. Common proteases and amylases are used.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Description
| SÖFW-Journal 122, 1996, 392-397 | |||
| Beisp. 1 | Beisp. 2 Mengen in g. (%) | Beisp. 3 | |
| Citrat | 2 (50%) | 1,6 (40%) | 1 (25%) |
| Carbonat | 1 (25%) | 1 (25%) | 1 (25%) |
| Hydrogencarbonat | 0,36 (9%) | 0,36 (9%) | 0,36 (9%) |
| Perborat | 0,28 (7%) | 0,28 (7%) | 0,28 (7%) |
| TAED | 0,08 (2%) | 0,08 (2%) | 0,08 (2%) |
| nichtionisches oberflächenaktives Mittel | 0,08 (2%) | 0,08 (2%) | 0,08 (2%) |
| MGDA (77% Lös.)/ (100%) | 0,26/0,2 (5%) | 0,78/0,6 (15%) | 1,56/1,2 (30%) |
| Gesamt | 4,06 4 | 4,18 4 | 4,36 4 |
| pH | 10,64 | 10,79 | 10,82 |
Claims (4)
- Maschinengeschirrspülmittel, enthaltend Methylglycindiessigsäure oder deren Salze als Komplexierungsmittel, dadurch gekennzeichnet, daß das Mittel in etwa 0,5%-iger wäßriger Lösung einen pH-Wert von 10,4 nicht übersteigt, mit der Maßgabe, daß das Maschinengeschirrspülmittel mehr als 10 Gew.-% der Methylglycindiessigsäure enthält.
- Maschinengeschirrspülmittel nach Anspruch 1, dadurch gekennzeichnet, daß es ein Sauerstoffbleichmittel in einer Menge von weniger als 1% bezogen auf das Gewicht aktiven Sauerstoffs enthält.
- Maschinengeschirrspülmittel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Mittel in etwa 0,5%-iger wäßriger Lösung einen pH-Wert von 6 bis 10,4 aufweist.
- Verwendung von Methylglycindiessigsäure oder deren Salze als vollständiger oder teilweiser Ersatz für Builder oder Komplexierungsmittel in Maschinengeschirrspülmitteln mit einem pH-Wert von nicht mehr als 10,4 in etwa 0,5%-iger wäßriger Lösung zur Verbesserung der Fähigkeit sowohl Milchrückstände als auch Teerückstände zu beseitigen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01105118A EP1113070B1 (de) | 1996-06-21 | 1997-06-20 | MGDA-haltige Maschinengeschirrspülmittel niederer Alkalität |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19624839 | 1996-06-21 | ||
| DE19624839 | 1996-06-21 | ||
| PCT/EP1997/003256 WO1997049792A1 (de) | 1996-06-21 | 1997-06-20 | Mgda-haltige maschinengeschirrspülmittel niederer alkalität |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01105118A Division EP1113070B1 (de) | 1996-06-21 | 1997-06-20 | MGDA-haltige Maschinengeschirrspülmittel niederer Alkalität |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0906407A1 EP0906407A1 (de) | 1999-04-07 |
| EP0906407B1 true EP0906407B1 (de) | 2001-09-05 |
Family
ID=7797614
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01105118A Revoked EP1113070B1 (de) | 1996-06-21 | 1997-06-20 | MGDA-haltige Maschinengeschirrspülmittel niederer Alkalität |
| EP97928266A Revoked EP0906407B1 (de) | 1996-06-21 | 1997-06-20 | Mgda-haltige maschinengeschirrspülmittel niederer alkalität |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01105118A Revoked EP1113070B1 (de) | 1996-06-21 | 1997-06-20 | MGDA-haltige Maschinengeschirrspülmittel niederer Alkalität |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP1113070B1 (de) |
| AT (2) | ATE205250T1 (de) |
| CA (1) | CA2258218A1 (de) |
| DE (2) | DE59712930D1 (de) |
| ES (2) | ES2300287T3 (de) |
| WO (1) | WO1997049792A1 (de) |
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| DE102007006629A1 (de) | 2007-02-06 | 2008-08-07 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| DE102007006630A1 (de) | 2007-02-06 | 2008-08-07 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| DE102007006627A1 (de) | 2007-02-06 | 2008-08-07 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| DE102007044417A1 (de) | 2007-09-17 | 2009-03-19 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| DE102008060470A1 (de) | 2008-12-05 | 2010-06-10 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| DE102008063801A1 (de) | 2008-12-19 | 2010-06-24 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
| DE102009029636A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschine Geschirrspülmittel |
| WO2011032868A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| WO2011032869A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| WO2011051419A1 (de) | 2009-10-30 | 2011-05-05 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| DE102013019269A1 (de) | 2013-11-15 | 2015-06-03 | Weylchem Switzerland Ag | Geschirrspülmittel sowie dessen Verwendung |
| DE102016212248A1 (de) | 2016-07-05 | 2018-01-11 | Henkel Ag & Co. Kgaa | Geschirrspülmittel enthaltend Zuckersäure und Aminocarbonsäure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2311537A (en) * | 1996-03-29 | 1997-10-01 | Procter & Gamble | Rinse composition for dishwashers |
| EP1721962B1 (de) * | 2005-05-11 | 2008-08-13 | Unilever N.V. | Geschirrspülmittel und Verfahren zum Geschirrspülen |
| US20070015674A1 (en) | 2005-06-30 | 2007-01-18 | Xinbei Song | Low phosphate automatic dishwashing detergent composition |
| DE102005041347A1 (de) | 2005-08-31 | 2007-03-01 | Basf Ag | Reinigungsformulierungen für die maschinelle Geschirrreinigung enthaltend hydrophil modifizierte Polycarboxylate |
| GB0522658D0 (en) | 2005-11-07 | 2005-12-14 | Reckitt Benckiser Nv | Composition |
| GB0611206D0 (en) | 2006-06-07 | 2006-07-19 | Reckitt Benckiser Nv | Detergent composition |
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| DE102009027160A1 (de) * | 2009-06-24 | 2010-12-30 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
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| US8709990B2 (en) | 2011-10-19 | 2014-04-29 | Basf Se | Formulations, their use as or for producing dishwashing detergents and their production |
| WO2014017564A1 (ja) * | 2012-07-27 | 2014-01-30 | 花王株式会社 | 食器用洗浄剤組成物 |
| CN103146506A (zh) * | 2013-03-05 | 2013-06-12 | 广州立白企业集团有限公司 | 一种具有清除茶渍功效的餐具洗涤剂组合物 |
| US20160130532A1 (en) * | 2013-06-25 | 2016-05-12 | Conopco, Inc., D/B/A Unilever | Hygroscopic detergent formulation comprising water, aminocarboxylate chelant and moisture-sensitive ingredients |
| EP2821471A1 (de) * | 2013-07-02 | 2015-01-07 | Basf Se | Wässrige Lösungen mit Komplexbildner in hoher Konzentration |
| DE102013214780A1 (de) * | 2013-07-29 | 2015-01-29 | Henkel Ag & Co. Kgaa | Pflegemittel für automatische Geschirrspülmaschinen |
| EP3228686B1 (de) | 2016-04-08 | 2021-10-27 | The Procter & Gamble Company | Automatisches geschirrspülen |
| DE102019219812A1 (de) * | 2019-12-17 | 2021-06-17 | Henkel Ag & Co. Kgaa | Mittel für das maschinelle Geschirrspülen mit verbesserter Reinigungsleistung für bleichbare Anschmutzungen |
| CA3197110A1 (en) | 2020-11-17 | 2022-05-27 | Patrick Firmin August Delplancke | Automatic dishwashing method with alkaline rinse |
| DE102024205394A1 (de) * | 2024-06-12 | 2025-12-18 | BSH Hausgeräte GmbH | Geschirrspülzusammensetzung zum Reinigen von Geschirr, Verfahren zum Spülen von Geschirr und Geschirrspülmaschine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4036695C2 (de) * | 1990-11-17 | 1994-08-25 | Henkel Kgaa | Verwendung von beta-Alaninderivaten als Gerüstsubstanzen in phosphatfreien Mitteln für das maschinelle Geschirrspülen |
| JPH05105900A (ja) * | 1991-08-27 | 1993-04-27 | Kao Corp | 洗浄機用洗浄剤 |
| DE4319798A1 (de) * | 1993-06-15 | 1994-12-22 | Henkel Kgaa | Geschirrspülmittel mit verringerter Belagsbildungsneigung |
| DE4319935A1 (de) * | 1993-06-16 | 1994-12-22 | Basf Ag | Verwendung von Glycin-N,N-diessigsäure-Derivaten als Komplexbildner für Erdalkali- und Schwermetallionen |
| US5481018A (en) * | 1995-03-31 | 1996-01-02 | The Dow Chemical Company | Amino nitrile intermediate for the preparation of alanine diacetic acid |
| GB2311536A (en) * | 1996-03-29 | 1997-10-01 | Procter & Gamble | Dishwashing and laundry detergents |
-
1997
- 1997-06-20 AT AT97928266T patent/ATE205250T1/de not_active IP Right Cessation
- 1997-06-20 DE DE59712930T patent/DE59712930D1/de not_active Expired - Lifetime
- 1997-06-20 WO PCT/EP1997/003256 patent/WO1997049792A1/de not_active Ceased
- 1997-06-20 DE DE59704543T patent/DE59704543D1/de not_active Expired - Fee Related
- 1997-06-20 ES ES01105118T patent/ES2300287T3/es not_active Expired - Lifetime
- 1997-06-20 EP EP01105118A patent/EP1113070B1/de not_active Revoked
- 1997-06-20 ES ES97928266T patent/ES2160355T3/es not_active Expired - Lifetime
- 1997-06-20 EP EP97928266A patent/EP0906407B1/de not_active Revoked
- 1997-06-20 CA CA002258218A patent/CA2258218A1/en not_active Abandoned
- 1997-06-20 AT AT01105118T patent/ATE389709T1/de not_active IP Right Cessation
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| US7879154B2 (en) | 2007-02-06 | 2011-02-01 | Henkel Ag & Co. Kgaa | Phosphate-free dishwashing detergents comprising builder, bleaching agent, nonionic surfactant, copolymer and a phosphonate |
| US9752100B2 (en) | 2007-02-06 | 2017-09-05 | Henkel Ag & Co. Kgaa | Detergents |
| DE202007019720U1 (de) | 2007-02-06 | 2017-06-07 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| US8303721B2 (en) | 2007-02-06 | 2012-11-06 | Henkel Ag & Co. Kgaa | Detergent comprising a builder, a bleaching agent, and a copolymer |
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| US8242068B2 (en) | 2008-12-05 | 2012-08-14 | Henkel Ag & Co. Kgaa | Cleaning agents |
| DE102008060470A1 (de) | 2008-12-05 | 2010-06-10 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| DE102008063801A1 (de) | 2008-12-19 | 2010-06-24 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
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| WO2011032868A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| WO2011032869A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| DE102009029635A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
| DE102009029637A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
| US8551930B2 (en) | 2009-09-21 | 2013-10-08 | Henkel Ag & Co. Kgaa | Dishwasher detergent |
| WO2011032870A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| DE102009029636A1 (de) | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschine Geschirrspülmittel |
| WO2011051419A1 (de) | 2009-10-30 | 2011-05-05 | Henkel Ag & Co. Kgaa | Maschinelles geschirrspülmittel |
| DE102009046216A1 (de) | 2009-10-30 | 2011-05-12 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
| DE102013019269A1 (de) | 2013-11-15 | 2015-06-03 | Weylchem Switzerland Ag | Geschirrspülmittel sowie dessen Verwendung |
| DE102016212248A1 (de) | 2016-07-05 | 2018-01-11 | Henkel Ag & Co. Kgaa | Geschirrspülmittel enthaltend Zuckersäure und Aminocarbonsäure |
| WO2018007298A1 (de) | 2016-07-05 | 2018-01-11 | Henkel Ag & Co. Kgaa | Geschirrspülmittel enthaltend zuckersäure und aminocarbonsäure |
| EP3623456A1 (de) | 2018-09-12 | 2020-03-18 | CLARO Products GmbH | Silberschutzmittel |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2300287T3 (es) | 2008-06-16 |
| DE59712930D1 (de) | 2008-04-30 |
| ATE205250T1 (de) | 2001-09-15 |
| CA2258218A1 (en) | 1997-12-31 |
| DE59704543D1 (de) | 2001-10-11 |
| EP1113070A2 (de) | 2001-07-04 |
| EP1113070B1 (de) | 2008-03-19 |
| EP1113070A3 (de) | 2002-01-02 |
| EP0906407A1 (de) | 1999-04-07 |
| WO1997049792A1 (de) | 1997-12-31 |
| ATE389709T1 (de) | 2008-04-15 |
| ES2160355T3 (es) | 2001-11-01 |
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