EP1299513A1 - Maschinelles geschirrspülmittel - Google Patents
Maschinelles geschirrspülmittelInfo
- Publication number
- EP1299513A1 EP1299513A1 EP01967102A EP01967102A EP1299513A1 EP 1299513 A1 EP1299513 A1 EP 1299513A1 EP 01967102 A EP01967102 A EP 01967102A EP 01967102 A EP01967102 A EP 01967102A EP 1299513 A1 EP1299513 A1 EP 1299513A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- acid
- copolymers
- preferred
- automatic dishwashing
- 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
- 229920001577 copolymer Polymers 0.000 claims abstract description 58
- 239000003599 detergent Substances 0.000 claims abstract description 48
- 239000000178 monomer Substances 0.000 claims abstract description 43
- 150000003839 salts Chemical class 0.000 claims abstract description 40
- 238000004851 dishwashing Methods 0.000 claims abstract description 37
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 25
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 24
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims description 65
- 239000002736 nonionic surfactant Substances 0.000 claims description 55
- 125000004432 carbon atom Chemical group C* 0.000 claims description 50
- 150000007513 acids Chemical class 0.000 claims description 42
- 229920000642 polymer Polymers 0.000 claims description 40
- 239000000126 substance Substances 0.000 claims description 27
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 26
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 24
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 23
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 20
- 239000011976 maleic acid Substances 0.000 claims description 20
- 125000006850 spacer group Chemical group 0.000 claims description 20
- 239000004615 ingredient Substances 0.000 claims description 19
- 229930195733 hydrocarbon Natural products 0.000 claims description 16
- 239000004215 Carbon black (E152) Substances 0.000 claims description 15
- 239000002535 acidifier Substances 0.000 claims description 14
- 229920005646 polycarboxylate Polymers 0.000 claims description 13
- 125000001931 aliphatic group Chemical group 0.000 claims description 12
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 9
- 229920001519 homopolymer Polymers 0.000 claims description 8
- 239000002738 chelating agent Substances 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 239000012459 cleaning agent Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 1
- -1 extrudates Substances 0.000 description 74
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 58
- 239000000203 mixture Substances 0.000 description 45
- 239000003795 chemical substances by application Substances 0.000 description 42
- 239000003826 tablet Substances 0.000 description 42
- 229920002678 cellulose Polymers 0.000 description 31
- 235000010980 cellulose Nutrition 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 239000007844 bleaching agent Substances 0.000 description 24
- 239000001913 cellulose Substances 0.000 description 23
- 239000011734 sodium Substances 0.000 description 22
- 239000002585 base Substances 0.000 description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 18
- 235000019832 sodium triphosphate Nutrition 0.000 description 17
- 102000004190 Enzymes Human genes 0.000 description 16
- 108090000790 Enzymes Proteins 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- 229940088598 enzyme Drugs 0.000 description 16
- 238000002844 melting Methods 0.000 description 16
- 230000008018 melting Effects 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 14
- 239000003205 fragrance Substances 0.000 description 14
- 238000000465 moulding Methods 0.000 description 14
- 239000004094 surface-active agent Substances 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 150000001298 alcohols Chemical class 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- 239000010457 zeolite Substances 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 239000012190 activator Substances 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 235000019198 oils Nutrition 0.000 description 10
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 10
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 9
- 229910021536 Zeolite Inorganic materials 0.000 description 9
- 235000014113 dietary fatty acids Nutrition 0.000 description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 9
- 239000007884 disintegrant Substances 0.000 description 9
- 239000000194 fatty acid Substances 0.000 description 9
- 229930195729 fatty acid Natural products 0.000 description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 229920002245 Dextrose equivalent Polymers 0.000 description 8
- 229910019142 PO4 Inorganic materials 0.000 description 8
- 108091005804 Peptidases Proteins 0.000 description 8
- 239000004365 Protease Substances 0.000 description 8
- 229910052783 alkali metal Inorganic materials 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 235000021317 phosphate Nutrition 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 150000003254 radicals Chemical class 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 8
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 7
- 239000001361 adipic acid Substances 0.000 description 7
- 235000011037 adipic acid Nutrition 0.000 description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 150000004665 fatty acids Chemical class 0.000 description 7
- 239000003446 ligand Substances 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 150000004760 silicates Chemical class 0.000 description 7
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 6
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 6
- 229920002125 Sokalan® Polymers 0.000 description 6
- 239000008139 complexing agent Substances 0.000 description 6
- 150000002191 fatty alcohols Chemical class 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 235000011007 phosphoric acid Nutrition 0.000 description 6
- 229920001451 polypropylene glycol Polymers 0.000 description 6
- 239000001488 sodium phosphate Substances 0.000 description 6
- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical compound CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 description 6
- 239000001226 triphosphate Substances 0.000 description 6
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 5
- 229920001353 Dextrin Polymers 0.000 description 5
- 239000004375 Dextrin Substances 0.000 description 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 5
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 5
- 108090001060 Lipase Proteins 0.000 description 5
- 102000004882 Lipase Human genes 0.000 description 5
- 239000004367 Lipase Substances 0.000 description 5
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 5
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 5
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 5
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 235000019425 dextrin Nutrition 0.000 description 5
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 235000019421 lipase Nutrition 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000002304 perfume Substances 0.000 description 5
- 235000019419 proteases Nutrition 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 159000000000 sodium salts Chemical class 0.000 description 5
- 239000003760 tallow Substances 0.000 description 5
- 229910052723 transition metal Inorganic materials 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- ZGZHWIAQICBGKN-UHFFFAOYSA-N 1-nonanoylpyrrolidine-2,5-dione Chemical compound CCCCCCCCC(=O)N1C(=O)CCC1=O ZGZHWIAQICBGKN-UHFFFAOYSA-N 0.000 description 4
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 4
- 108010065511 Amylases Proteins 0.000 description 4
- 102000013142 Amylases Human genes 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 4
- 240000007313 Tilia cordata Species 0.000 description 4
- 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 4
- 239000013543 active substance Substances 0.000 description 4
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- 150000008041 alkali metal carbonates Chemical class 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 235000019418 amylase Nutrition 0.000 description 4
- 239000001177 diphosphate Substances 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000019796 monopotassium phosphate Nutrition 0.000 description 4
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 4
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- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 4
- 235000011009 potassium phosphates Nutrition 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000011975 tartaric acid Substances 0.000 description 4
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- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 229920000858 Cyclodextrin Polymers 0.000 description 3
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 3
- 102000004157 Hydrolases Human genes 0.000 description 3
- 108090000604 Hydrolases Proteins 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 3
- 102000035195 Peptidases Human genes 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 229920001400 block copolymer Polymers 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000013522 chelant Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 3
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- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 3
- 235000011180 diphosphates Nutrition 0.000 description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000010438 heat treatment Methods 0.000 description 3
- 239000001257 hydrogen Chemical group 0.000 description 3
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- 150000002500 ions Chemical class 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 230000002366 lipolytic effect Effects 0.000 description 3
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- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
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- 150000003138 primary alcohols Chemical class 0.000 description 3
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- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 3
- 235000019351 sodium silicates Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 2
- 125000004398 2-methyl-2-butyl group Chemical group CC(C)(CC)* 0.000 description 2
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004382 Amylase Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZCTQGTTXIYCGGC-UHFFFAOYSA-N Benzyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OCC1=CC=CC=C1 ZCTQGTTXIYCGGC-UHFFFAOYSA-N 0.000 description 2
- UYWQUFXKFGHYNT-UHFFFAOYSA-N Benzylformate Chemical compound O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
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- SDQFDHOLCGWZPU-UHFFFAOYSA-N lilial Chemical compound O=CC(C)CC1=CC=C(C(C)(C)C)C=C1 SDQFDHOLCGWZPU-UHFFFAOYSA-N 0.000 description 1
- 235000001510 limonene Nutrition 0.000 description 1
- 229940087305 limonene Drugs 0.000 description 1
- 229930007744 linalool Natural products 0.000 description 1
- UWKAYLJWKGQEPM-UHFFFAOYSA-N linalool acetate Natural products CC(C)=CCCC(C)(C=C)OC(C)=O UWKAYLJWKGQEPM-UHFFFAOYSA-N 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229960004995 magnesium peroxide Drugs 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229940111688 monobasic potassium phosphate Drugs 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- SXLLDUPXUVRMEE-UHFFFAOYSA-N nonanediperoxoic acid Chemical compound OOC(=O)CCCCCCCC(=O)OO SXLLDUPXUVRMEE-UHFFFAOYSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- RUVINXPYWBROJD-UHFFFAOYSA-N para-methoxyphenyl Natural products COC1=CC=C(C=CC)C=C1 RUVINXPYWBROJD-UHFFFAOYSA-N 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- XCRBXWCUXJNEFX-UHFFFAOYSA-N peroxybenzoic acid Chemical compound OOC(=O)C1=CC=CC=C1 XCRBXWCUXJNEFX-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229940067107 phenylethyl alcohol Drugs 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000003109 potassium Chemical class 0.000 description 1
- OQZCJRJRGMMSGK-UHFFFAOYSA-M potassium metaphosphate Chemical compound [K+].[O-]P(=O)=O OQZCJRJRGMMSGK-UHFFFAOYSA-M 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 229940093916 potassium phosphate Drugs 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- WSHYKIAQCMIPTB-UHFFFAOYSA-M potassium;2-oxo-3-(3-oxo-1-phenylbutyl)chromen-4-olate Chemical compound [K+].[O-]C=1C2=CC=CC=C2OC(=O)C=1C(CC(=O)C)C1=CC=CC=C1 WSHYKIAQCMIPTB-UHFFFAOYSA-M 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 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
- 229940079877 pyrogallol Drugs 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010670 sage oil Substances 0.000 description 1
- 239000010671 sandalwood oil Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 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
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 235000019983 sodium metaphosphate Nutrition 0.000 description 1
- AQMNWCRSESPIJM-UHFFFAOYSA-M sodium metaphosphate Chemical compound [Na+].[O-]P(=O)=O AQMNWCRSESPIJM-UHFFFAOYSA-M 0.000 description 1
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 description 1
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229940116411 terpineol Drugs 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- ZKWDCFPLNQTHSH-UHFFFAOYSA-N tribromoisocyanuric acid Chemical compound BrN1C(=O)N(Br)C(=O)N(Br)C1=O ZKWDCFPLNQTHSH-UHFFFAOYSA-N 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- 239000010679 vetiver oil Substances 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- ZFNVDHOSLNRHNN-UHFFFAOYSA-N xi-3-(4-Isopropylphenyl)-2-methylpropanal Chemical compound O=CC(C)CC1=CC=C(C(C)C)C=C1 ZFNVDHOSLNRHNN-UHFFFAOYSA-N 0.000 description 1
- 150000003752 zinc compounds Chemical class 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/0065—Solid detergents containing builders
- C11D17/0073—Tablets
- C11D17/0078—Multilayered tablets
-
- 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
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate
-
- 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 automatic dishwashing detergents which contain polymers containing sulfonic acid groups and, moreover, have an additional benefit.
- the sulfonic acid group-containing polymers are copolymers of i) unsaturated carboxylic acids, ii) sulfonic acid group-containing monomers and iii) optionally further ionic or nonionic monomers.
- the agents can be in solid or liquid form, e.g. be provided as powders, granules, extrudates, tablets, liquids or gels.
- rinse aid is used successfully today.
- the addition of rinse aid at the end of the wash program ensures that the water runs off the dishes as completely as possible, so that the different surfaces are residue-free and immaculately shiny at the end of the wash program.
- the automatic cleaning of dishes in domestic dishwashers usually comprises a pre-wash, a main wash and a rinse cycle, which are interrupted by intermediate wash cycles.
- the pre-wash cycle for heavily soiled dishes can be activated, but is only selected by the consumer in exceptional cases, so that in most machines a main wash cycle, an intermediate rinse cycle with pure water and a rinse cycle are carried out.
- the temperature of the main wash cycle varies between 40 and 65 ° C depending on the machine type and program level selection.
- rinse aids are added from a dosing tank in the machine, which usually contain non-ionic surfactants as the main component. Such rinse aids are in liquid form and are widely described in the prior art. Your main task is to prevent limescale and deposits on the cleaned dishes.
- rinse aids In addition to water and low-foaming nonionic surfactants, these rinse aids often also contain hydrotopes, pH regulators such as citric acid or scale-inhibiting polymers.
- Liquid rinse aids are known from EP-B1 0 197 434 (Henkel) which contain mixed ethers as nonionic surfactants. A variety of different materials (glass, metal, silver, plastic, porcelain) are cleaned in the dishwasher. This variety of materials must be wetted as well as possible in the rinse cycle. Rinse aid formulations which contain only mixed ethers as the surfactant component do not meet these requirements, or do so only to a small extent, so that the rinse aid or drying effect is unsatisfactory, particularly in the case of plastic surfaces.
- the storage tank in the dishwasher must be filled with rinse aid at regular intervals, with one filling sufficient for 10 to 50 rinse cycles, depending on the machine type. If you forget to fill up the tank, glasses in particular become unsightly due to limescale and deposits. In the prior art there are therefore some proposed solutions for integrating a rinse aid into the detergent for machine dishwashing. These proposed solutions are tied to the offer form of the compact molded body.
- European patent application EP-A-0 851 024 (Unilever) describes two-layer detergent tablets, the first layer of which contains peroxy bleach, builder and enzyme, while the second layer contains acidifying agents and a continuous medium with a melting point between 55 and 70 ° C and scale inhibitors contains. Due to the high-melting continuous medium, the acid (s) and scale inhibitor (s) should be released with a delay and cause a rinse aid effect. Powdered machine dishwashing detergents or surfactant-containing rinse aid systems are not mentioned in this document.
- the object of the present invention was to provide new agents for the automatic washing of dishes, which deliver at least the same results in terms of technical application properties as agents available on the market and which also provide further performance advantages.
- the new agents should be able to be used both as conventional cleaners and in the form of combination products and should display their advantageous properties regardless of the form of preparation.
- This application therefore relates to automatic dishwashing agents which contain a) 1 to 94.9% by weight of builder (s), b) 0.1 to 70% by weight of copolymers of i) unsaturated carboxylic acids ii) monomers containing sulfonic acid groups iii) optionally further ionic or nonionic
- Monomers c) contain 5 to 30% by weight of nonionic surfactant (s), the stated amounts in each case relating to the total composition.
- these agents can be provided in any conceivable form, for example as a liquid or gel cleaner, as a powder, granules, extrudates, flakes, pellets or in the form of blocks or tablets.
- a liquid or gel cleaner with the form of the detergent tablets, both single-phase and multi-phase tablets can be manufactured.
- the amounts stated above can also refer to a single phase (layer), while the other phase (s) have a different composition. This allows multifunctional systems to be implemented which, for example, combine a quick-dissolving precleaner layer with a residual molded body composed according to the invention.
- agents have also been found to be particularly suitable which, in addition to the copolymers b), contain further homo- and / or copolymeric polycarboxylic acids or polycarboxylates.
- This application also relates to automatic dishwashing detergents which contain a) 1 to 98.8% by weight of builder (s), b) 0.1 to 70% by weight of copolymers of i) unsaturated carboxylic acids ii) sulfonic acid groups containing monomers iii) optionally further ionic or nonionic
- Monomers c) contain 0.1 to 30% by weight of homo- and / or copolymeric polycarboxylic acids or their salts.
- the two dosing processes required to operate a household dishwasher at intervals (after a certain number of rinsing processes, the regeneration salt must be refilled in the water softening system of the machine) can be combined into a single process using the agents according to the invention described above, since even after a higher number of washing cycles the dosing of another product (regeneration salt) and therefore a double dosing process is not necessary.
- the present application therefore also relates to automatic dishwashing agents which contain a) 1 to 93.8% by weight of builder (s), b) 0.1 to 70% by weight of copolymers of i) unsaturated carboxylic acids ii) sulfonic acid groups containing monomers iii) optionally further ionic or nonionic
- All of the above-mentioned agents according to the invention have the advantage that the dishes treated with such agents become significantly cleaner in subsequent cleaning operations than dishes that have been washed with conventional agents.
- the effect is independent of whether the automatic dishwashing detergents are liquid, powdered or in tablet form.
- drying time is generally understood to mean the meaning, i.e. the time which elapses until a dish surface treated in a dishwasher is dried, but in particular the time which elapses, up to 90% of one with a cleaning or Rinse aid is dried in a concentrated or diluted form treated surface.
- the agents according to the invention contain one or more builders as ingredient a). These are described below. In the context of the present invention, particularly preferred builders are phosphates and / or citrates.
- the cleaning agents according to the invention for machine dishwashing can contain all builders commonly used in washing and cleaning agents, in particular thus zeolites, silicates, carbonates, organic cobuilders and - if there are no ecological concerns about their use - also the phosphates.
- the builders mentioned below are all suitable as carrier materials for the rinse aid particles according to the invention, as has already been explained above.
- Suitable crystalline, layered sodium silicates have the general formula NaMSi x 0 2x + ⁇ 'H 2 0, where M is sodium or hydrogen, x is a number from 1, 9 to 4 and y is a number from 0 to 20 and preferred values for x 2 , 3 or 4 are.
- Preferred crystalline layered silicates of the formula given are those in which M represents sodium and x assumes the values 2 or 3. In particular, both ⁇ - and ⁇ -sodium disilicates Na 2 Si 2 0 5 "yH 2 0 are preferred.
- the delay in dissolution compared to conventional amorphous sodium silicates can be caused in various ways, for example by surface treatment, compounding, compacting / compression or by overdrying.
- the term “amorphous” is also understood to mean “X-ray amorphous”.
- silicates in X-ray diffraction experiments do not provide sharp X-ray reflections, as are typical for crystalline substances, but at most one or more maxima of the scattered X-rays, which have a width of several degree units of the diffraction angle.
- it can very well lead to particularly good builder properties if the silicate particles provide washed-out or even sharp diffraction maxima in electron diffraction experiments. This is to be interpreted as meaning that the products have microcrystalline areas of size 10 to a few hundred nm, values up to max. 50 nm and in particular up to max. 20 nm are preferred.
- Such so-called X-ray amorphous silicates which also have a delay in dissolution compared to conventional water glasses, are described, for example, in German patent application DE-A-44 00 024.
- compacted / compacted amorphous silicates, compounded amorphous silicates and over-dried X-ray amorphous silicates are particularly preferred.
- the finely crystalline, synthetic zeolite containing bound water used is preferably zeolite A and / or P.
- the zeolite P, zeolite MAP ® (commercially available from Crosfield) is especially preferred.
- zeolite X and mixtures of A, X and / or P are also suitable.
- Commercially available and can preferably be used in the context of the present invention for example a co-crystallizate of zeolite X and zeolite A (about 80% by weight of zeolite X) ), which is sold by CONDEA Augusta SpA under the brand name VEGOBOND AX ® and by the formula
- Suitable zeolites have an average particle size of less than 10 ⁇ m (volume distribution; measurement method: Coulter Counter) and preferably contain 18 to 22% by weight, in particular 20 to 22% by weight, of bound water.
- the alkali metal phosphates with particular preference for pentasodium or pentapotassium triphosphate (sodium or potassium tripolyphosphate), are of the greatest importance in the detergent and cleaning agent industry.
- Alkali metal phosphates is the general term for the alkali metal (especially sodium and potassium) salts of the various phosphoric acids, in which one can distinguish between metaphosphoric acids (HP0 3 ) n and orthophosphoric acid H 3 P0 4 in addition to higher molecular weight representatives.
- the phosphates combine several advantages: They act as alkali carriers, prevent limescale deposits on machine parts and lime incrustations in tissues and also contribute to cleaning performance.
- Sodium dihydrogen phosphate, NaH 2 P0 4 exists as a dihydrate (density 1, 91 like “3 , melting point 60 °) and as a monohydrate (density 2.04 like “ 3 ). Both salts are white powders that are very easily soluble in water, which lose water of crystallization when heated and into the weakly acidic diphosphate (disodium hydrogen diphosphate, Na 2 H 2 P 2 0 7 ) at 200 ° C, and at higher temperatures in sodium trimethane phosphate (Na 3 P 3 0 9 ) and Maddrell's salt (see below).
- NaH 2 P0 4 is acidic; it occurs when phosphoric acid is adjusted to a pH of 4.5 with sodium hydroxide solution and the mash is sprayed.
- Potassium dihydrogen phosphate primary or monobasic potassium phosphate, potassium biphosphate, KDP
- KH 2 P0 4 is a white salt of 2.33 like "3 , has a melting point 253 ° [decomposes to form potassium polyphosphate (KP0 3 ) x ] and is easily soluble in water.
- Disodium hydrogen phosphate (secondary sodium phosphate), Na 2 HP0 4 , is a colorless, very easily water-soluble crystalline salt. It exists anhydrous and with 2 mol. (Density 2.066 gladly “3 , water loss at 95 °), 7 mol. (Density 1, 68 gladly “ 3 , melting point 48 ° with loss of 5 H 2 0) and 12 mol. Water ( Density 1, 52 like “3 , melting point 35 ° with loss of 5 H 2 0), becomes anhydrous at 100 ° and changes to diphosphate Na 4 P 2 0 7 when heated.
- Disodium hydrogenphosphate is lost by neutralizing phosphoric acid with soda solution Using phenolphthalein as an indicator Dipotassium hydrogen phosphate (secondary or dibasic potassium phosphate), K 2 HP0 4 , is an amorphous, white salt that is easily soluble in water.
- Trisodium phosphate, tertiary sodium phosphate, Na 3 P0 4 are colorless crystals which like dodecahydrate a density of 1.62 "3 and a melting point of 73-76 ° C (decomposition), as decahydrate (corresponding to 19-20 % P 2 0 5 ) have a melting point of 100 ° C. and, in anhydrous form (corresponding to 39-40% P 2 0 5 ), a density of 2.536 "3 .
- Trisodium phosphate is readily soluble in water with an alkaline reaction and is produced by evaporating a solution of exactly 1 mol of disodium phosphate and 1 mol of NaOH.
- Tripotassium phosphate (tertiary or three-base potassium phosphate), K 3 P0 4 , is a white, deliquescent, granular powder with a density of 2.56 "3 , has a melting point of 1340 ° and is easily soluble in water with an alkaline reaction. It forms eg when heating Thomas slag with coal and potassium sulfate Despite the higher price, the more soluble, therefore highly effective, potassium phosphates are often preferred over corresponding sodium compounds in the cleaning agent industry.
- Tetrasodium diphosphate (sodium pyrophosphate), Na 4 P 2 0 7 , exists in anhydrous form (density 2.534 like “3 , melting point 988 °, also given 880 °) and as decahydrate (density 1, 815-1, 836 like " 3 , melting point 94 ° with water loss). Substances are colorless crystals that are soluble in water with an alkaline reaction. Na 4 P 2 0 7 is formed by heating disodium phosphate to> 200 ° or by reacting phosphoric acid with soda in a stoichiometric ratio and dewatering the solution by spraying. The decahydrate complexes heavy metal salts and hardness formers and therefore reduces the hardness of the water.
- Potassium diphosphate (potassium pyrophosphate), K 4 P 2 O 7 , exists in the form of the trihydrate and is a colorless, hygroscopic powder with a density of 2.33 "3 , which is soluble in water, the pH value being 1% Solution at 25 ° is 10.4.
- Sodium and potassium phosphates in which one can differentiate cyclic representatives, the sodium or potassium metaphosphates and chain-like types, the sodium or potassium polyphosphates.
- a large number of terms are used in particular for the latter: melt or glow phosphates, graphite hamsch salt, Kurrolsches and Maddrellsches salt. All higher sodium and potassium phosphates are collectively referred to as condensed phosphates.
- pentasodium triphosphate Na 5 P 3 O 10 (sodium tripolyphosphate)
- Approx. 17 g of the salt free from water of crystallization dissolve in 100 g of water at room temperature, approx. 20 g at 60 ° and around 32 g at 100 °; After heating the solution at 100 ° for two hours, hydrolysis produces about 8% orthophosphate and 15% diphosphate.
- pentasodium triphosphate In the production of pentasodium triphosphate, phosphoric acid is reacted with sodium carbonate solution or sodium hydroxide solution in a stoichiometric ratio and the solution is dewatered by spraying. Similar to Graham's salt and sodium diphosphate, pentasodium triphosphate dissolves many insoluble metal compounds (including lime soaps, etc.). Pentapotassium triphosphate, K 5 P 3 O 10 (potassium tripolyphosphate), is commercially available, for example, in the form of a 50% strength by weight solution (> 23% P 2 0 5 , 25% K 2 0). The potassium polyphosphates are widely used in the detergent and cleaning agent industry. There are also sodium potassium tripolyphosphates, which can also be used in the context of the present invention. These occur, for example, when hydrolyzing sodium trimetaphosphate with KOH:
- these can be used just like sodium tripolyphosphate, potassium tripolyphosphate or mixtures of these two; Mixtures of sodium tripolyphosphate and sodium potassium tripolyphosphate or mixtures of potassium tripolyphosphate and sodium potassium tripolyphosphate or mixtures of sodium tripolyphosphate and potassium tripolyphosphate and sodium potassium tripolyphosphate can also be used according to the invention.
- Organic cobuilders which can be used in the dishwasher detergents according to the invention are, in particular, polycarboxylates / polycarboxylic acids, polymeric polycarboxylates, aspartic acid, polyacetals, dextrins, other organic cobuilders (see below) and phosphonates. These classes of substances are described below.
- Usable organic builders are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids being understood to mean those carboxylic acids which carry more than one acid function.
- these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), as long as such use is not objectionable for ecological reasons, and mixtures of these.
- Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and mixtures of these.
- the acids themselves can also be used.
- the acids typically also have the property of an acidifying component and thus also serve to set a lower and milder pH of detergents or cleaning agents.
- Citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any mixtures thereof can be mentioned in particular.
- Polymeric polycarboxylates are also suitable as builders; these are, for example, the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example those with a relative molecular weight of 500 to 70,000 g / mol.
- the molecular weights given for polymeric polycarboxylates are weight-average molecular weights M w of the particular acid form, which were determined in principle by means of gel permeation chromatography (GPC), a UV detector being used.
- GPC gel permeation chromatography
- the measurement was made against an external polyacrylic acid standard, which provides realistic molecular weight values due to its structural relationship to the polymers investigated. This information differs significantly from the molecular weight information, for which polystyrene sulfonic acids are used as standard.
- the molecular weights measured against polystyrene sulfonic acids are generally significantly higher than the molecular weights given in this document.
- Suitable polymers are, in particular, polyacrylates, which preferably have a molecular weight of 2,000 to 20,000 g / mol. Because of their superior solubility, the short-chain polyacrylates which have molar masses from 2000 to 10000 g / mol, and particularly preferably from 3000 to 5000 g / mol, can in turn be preferred from this group.
- copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
- Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
- Their relative molecular weight, based on free acids, is generally 2,000 to 70,000 g / mol, preferably 20,000 to 50,000 g / mol and in particular 30,000 to 40,000 g / mol.
- the (co) polymeric polycarboxylates can be used either as a powder or as an aqueous solution.
- the content of (co) polymeric polycarboxylates in the agents is preferably 0.5 to 20% by weight, in particular 3 to 10% by weight.
- the polymers can also contain allylsulfonic acids, such as, for example, allyloxybenzenesulfonic acid and methallylsulfonic acid, as monomers.
- allylsulfonic acids such as, for example, allyloxybenzenesulfonic acid and methallylsulfonic acid
- biodegradable polymers composed of more than two different monomer units, for example those which contain salts of acrylic acid and maleic acid as well as vinyl alcohol or vinyl alcohol derivatives as monomers or those which contain salts of acrylic acid and 2-alkylallylsulfonic acid and sugar derivatives as monomers ,
- copolymers are those which preferably have acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate as monomers.
- polymeric aminodicarboxylic acids their salts or their precursor substances.
- Polyaspartic acids or their salts and derivatives are particularly preferred which, in addition to cobuilder properties, also have a bleach-stabilizing effect.
- polyacetals which are reacted with dialdehydes.
- Polyol carboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups can be obtained.
- Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and mixtures thereof and from polyol carboxylic acids such as gluconic acid and / or glucoheptonic acid.
- Suitable organic builder substances are dextrins, for example oligomers or polymers of carbohydrates, which can be obtained by partial hydrolysis of starches.
- the hydrolysis can be carried out by customary processes, for example acid-catalyzed or enzyme-catalyzed. They are preferably hydrolysis products with average molar masses in the range from 400 to 500,000 g / mol.
- DE dextrose equivalent
- the oxidized derivatives of such dextrins are their reaction products with oxidizing agents which are capable of oxidizing at least one alcohol function of the saccharide ring to the carboxylic acid function.
- a product oxidized at C 6 of the saccharide ring can be particularly advantageous.
- Ethylenediamine-N, N'-disuccinate (EDDS) is preferably in the form of its sodium or magnesium salts.
- EDDS is preferably in the form of its sodium or magnesium salts.
- glycerol disuccinates and glycerol trisuccinates are 3 to 15% by weight.
- organic cobuilders are, for example, acetylated hydroxycarboxylic acids or their salts, which may also be in lactone form and which contain at least 4 carbon atoms and at least one hydroxyl group and a maximum of two acid groups.
- phosphonates are, in particular, hydroxyalkane or aminoalkane phosphonates.
- hydroxyalkane phosphonates 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance as a cobuilder.
- HEDP 1-hydroxyethane-1,1-diphosphonate
- Preferred aminoalkane phosphonates are ethylenediaminetetramethylenephosphonate (EDTMP), diethylenetriaminepentamethylenephosphonate (DTPMP) and their higher homologs. They are preferably in the form of the neutral sodium salts, e.g. B.
- HEDP is preferably used as the builder from the class of the phosphonates.
- the aminoalkanephosphonates also have a pronounced ability to bind heavy metals. Accordingly, it may be preferred, particularly if the agents also contain bleach, to use aminoalkanephosphonates, in particular DTPMP, or to use mixtures of the phosphonates mentioned.
- R 1 to R 3 independently of one another are -H -CH 3 , a straight-chain or branched saturated alkyl radical having 2 to 12 carbon atoms, a straight-chain or branched, mono- or polyunsaturated alkenyl radical having 2 to 12 carbon atoms, with -NH 2 , -OH or -COOH substituted alkyl or alkenyl radicals as defined above or represents -COOH or -COOR 4 , where R 4 is a saturated or unsaturated, straight-chain or branched hydrocarbon radical having 1 to 12 carbon atoms.
- Preferred monomers containing sulfonic acid groups are those of the formula II
- Preferred among these monomers are those of the formulas IIa, Mb and / or IIc,
- H 2 C CH-X-S0 3 H (Ila),
- H 2 C C (CH 3 ) -X-S0 3 H (llb),
- ionic or nonionic monomers that can be used are, in particular, ethylenically unsaturated compounds.
- the group iii) monomer content of the polymers used according to the invention is preferably less than 20% by weight, based on the polymer. Polymers to be used with particular preference consist only of monomers of groups i) and ii).
- R 1 to R 3 independently of one another are -H -CH 3 , a straight-chain or branched saturated alkyl radical having 2 to 12 carbon atoms, a straight-chain or branched, mono- or polyunsaturated alkenyl radical having 2 to 12 carbon atoms, with -NH 2 , -OH or -COOH substituted alkyl or alkenyl radicals as defined above or represents -COOH or -COOR 4 , where R 4 is a saturated or unsaturated, straight-chain or branched hydrocarbon radical having 1 to 12 carbon atoms,
- a particularly preferred use is characterized in that one or more copolymers
- H 2 C CH-X-S0 3 H (Ila),
- H 2 C C (CH 3 ) -X-S0 3 H (llb),
- the copolymers used according to the invention can contain the monomers from groups i) and ii) and optionally iii) in varying amounts, all representatives from group i) being combined with all representatives from group ii) and all representatives from group iii) can.
- Particularly preferred polymers have certain structural units, which are described below.
- These polymers are produced by copolymerization of acrylic acid with an acrylic acid derivative containing sulfonic acid groups. If the sulfonic acid group-containing acrylic acid derivative is copolymerized with methacrylic acid, another polymer is obtained, the use of which is also preferred and is characterized in that one or more copolymers are used, the structural units of the formula IV
- acrylic acid and / or methacrylic acid can also be copolymerized with methacrylic acid derivatives containing sulfonic acid groups, as a result of which the structural units in the molecule are changed.
- the structural units of the formula V the structural units of the formula V
- maleic acid can also be used as a particularly preferred monomer from group i).
- the sulfonic acid groups in the polymers may be wholly or partly in neutralized form, i.e. that the acidic hydrogen atom of the sulfonic acid group in some or all sulfonic acid groups can be replaced by metal ions, preferably alkali metal ions and in particular by sodium ions.
- metal ions preferably alkali metal ions and in particular by sodium ions.
- the monomer distribution in the copolymers used according to the invention is preferably 5 to 95% by weight of i) or ii), particularly preferably 50 to 90% by weight of monomer, for copolymers which contain only monomers from groups i) and ii) from group i) and 10 to 50% by weight of monomer from group ii), in each case based on the polymer.
- terpolymers those which contain 20 to 85% by weight of monomer from group i), 10 to 60% by weight of monomer from group ii) and 5 to 30% by weight of monomer from group iii) are particularly preferred ,
- the molar mass of the polymers used according to the invention can be varied in order to adapt the properties of the polymers to the desired intended use.
- Preferred uses are characterized in that the copolymers have molecular weights of 2,000 to 200,000 gmol "1 , preferably from 4000 to 25,000 gmol " 1 and in particular from 5000 to 15,000 gmol "1 .
- dishwasher detergents which contain, as ingredient b), one or more copolymers which have structural units of the formulas III and / or IV and / or V and / or VI and / or VII and / or VIII
- the amounts in which the copolymers b) are contained in the agents according to the invention can vary depending on the desired product (recommended dosage).
- automatic dishwashing agents according to the invention are preferred which contain the sulfonated copolymer (s) in amounts of from 0.25 to 50% by weight, preferably from 0.5 to 35% by weight, particularly preferably from 0.75 Contain up to 20 wt .-% and in particular from 1 to 15 wt .-%.
- the agents according to the invention can contain polycarboxylic acids or their salts.
- Homo- or copolymers c) which are particularly suitable in the context of the present invention are polyacrylates, polymethacrylates, copolymers of acrylic acid and / or methacrylic acid with maleic acid and copolymers of maleic acid with olefins.
- Preferred automatic dishwashing agents according to the invention are therefore characterized in that they contain homo- and / or copolymers of acrylic acid and / or methacrylic acid and / or maleic acid as homo- and / or copolymeric polycarboxylic acids or their salts.
- the automatic dishwashing agents of the present invention contain (co) polymeric polycarboxylates, the polycarboxylates described above for the cobuilders are particularly preferred.
- automatic dishwashing agents which also contain copolymeric polycarboxylates, in particular those of acrylic acid, as ingredient c) Contain methacrylic acid and / or acrylic acid or methacrylic acid with maleic acid, copolymers of acrylic acid with maleic acid containing 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid, and polymers with relative molecular weights, based on free acids , from 2000 to 70,000 g / mol, preferably 20,000 to 50,000 g / mol and in particular 30,000 to 40,000 g / mol are particularly preferred.
- the weight ratio of sulfonated copolymers b) to (meth) acrylate copolymers c) is 100: 1 to 1: 100, preferably 25: 1 to 1:50, particularly preferably 10: 1 to 1:25 and in particular 5: 1 to 1:10.
- the agents according to the invention can contain further ingredients.
- Important ingredients from the groups of bleaching agents, bleach activators, enzymes, silver protection agents, cobuilders, dyes and fragrances etc. are described in detail below.
- the automatic dishwashing detergents additionally contain one or more substances from the group of the acidifying agents, chelate complexing agents or the deposit-inhibiting polymers.
- Substances from the group of acidifying agents are, for example, boric acid and alkali metal bisulfates, alkali metal dihydrogen phosphates and other inorganic salts.
- organic acidifying agents are preferably used, citric acid being a particularly preferred acidifying agent.
- the other solid mono-, oligo- and polycarboxylic acids can also be used in particular. Tartaric acid, succinic acid, malonic acid, adipic acid, maleic acid, fumaric acid, oxalic acid and polyacrylic acid are preferred from this group.
- Organic sulfonic acids such as amidosulfonic acid can also be used. Sokalan ® DCS (trademark of BASF), a mixture of succinic acid (max. 31% by weight), glutaric acid (max. 50% by weight) and adipic acid (commercially available and also preferably used as an acidifying agent in the context of the present invention) max. 33% by weight).
- Chelating agents are substances which form cyclic compounds with metal ions, with a single ligand occupying more than one coordination point on a central atom, i. H. is at least "bidentate". In this case, normally elongated compounds are closed to form rings by complex formation via an ion. The number of ligands bound depends on the coordination number of the central ion.
- Common chelate complexing agents preferred within the scope of the present invention are, for example, polyoxycarboxylic acids, polyamines, ethylenediaminetetraacetic acid (EDTA) and nitrilotriacetic acid (NTA).
- complex-forming polymers i.e. polymers that either carry in the main chain itself or laterally to this functional groups that act as ligands. ken and can react with suitable metal atoms usually to form chelate complexes can be used according to the invention.
- the polymer-bound ligands of the resulting metal complexes can originate from only one macromolecule or can belong to different polymer chains. The latter leads to the crosslinking of the material, provided that the complex-forming polymers were not previously crosslinked via covalent bonds.
- Complexing groups (ligands) of conventional complex-forming polymers are iminodiacetic acid, hydroxyquinoline, thiourea, guanidine, dithiocarbamate, hydroxamic acid, amidoxime, aminophosphoric acid, (cycl.) Polyamino, mercapto, 1,3 -Dicarbonyl and crown ether residues with z. T. very specific Activities against ions of different metals.
- the base polymers of many commercially important complex-forming polymers are polystyrene, polyacrylates, polyacrylonitriles, polyvinyl alcohols, polyvinyl pyridines and polyethyleneimines. Natural polymers such as cellulose, starch or chitin are also complex-forming polymers. In addition, these can be provided with further ligand functionalities by polymer-analogous conversions.
- machine dishwashing detergents which contain one or more chelating complexing agents from the groups of
- Dishwashing detergent in amounts above 0.1% by weight, preferably above 0.5% by weight, particularly preferably above 1% by weight and in particular above 2.5% by weight, in each case based on the weight of the Dishwashing detergent included.
- polycarboxylic acids a) are understood to mean carboxylic acids, including monocarboxylic acids, in which the sum of carboxyl and the hydroxyl groups contained in the molecule is at least 5.
- Complexing agents from the group of nitrogen-containing polycarboxylic acids, in particular EDTA, are preferred. At the alkaline pH values of the treatment solutions required according to the invention, these complexing agents are at least partially present as anions. It is immaterial whether they are introduced in the form of acids or in the form of salts. In the case of use as salts, alkali metal, ammonium or alkylammonium salts, in particular sodium salts, are preferred.
- nonionic surfactants that can be used in the automatic dishwashing detergents of the present application are described in detail below.
- the amounts in which the nonionic surfactants are used are between 5 and 30% by weight, machine dishwashing detergents being preferred, the 5 to 25% by weight, preferably 6 to 22.5% by weight, being particularly preferred Contain 7.5 to 20 wt .-% and in particular 8 to 17.5 wt .-% non-ionic surfactant (s).
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or may contain linear and methyl-branched radicals in the mixture, as are usually present in oxo alcohol radicals.
- EO ethylene oxide
- alcohol ethoxylates with linear residues from alcohols of native origin with 12 to 18 carbon atoms, for example from coconut, palm, tallow or oleyl alcohol, and an average of 2 to 8 EO per mole of alcohol are particularly preferred.
- the preferred ethoxylated alcohols include, for example, C 12-14 alcohols with 3 EO or 4 EO, C 9-1 alcohol with 7 EO, C 13-15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12 - ⁇ - alcohols with 3 EO, 5 EO or 7 EO and mixtures thereof, such as mixtures of C 12 - ⁇ - alcohol with 3 EO and C 12-18 alcohol with 5 EO.
- the degrees of ethoxylation given represent statistical mean values which, for a specific product, are an integer or a fraction can.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- fatty alcohols with more than 12 EO can also be used. Examples of this are tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
- alkyl glycosides of the general formula RO (G) x can also be used as further nonionic surfactants, in which R denotes a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18, C atoms and G is the symbol which stands for a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
- the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; x is preferably 1.2 to 1.4.
- nonionic surfactants which are used either as the sole nonionic surfactant or in combination with other nonionic surfactants, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain.
- Nonionic surfactants of the amine oxide type for example N-coconut alkyl-N, N-dimethylamine oxide and N-tallow alkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides can also be suitable.
- the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, in particular not more than half of them.
- surfactants are polyhydroxy fatty acid amides of the formula (IX),
- RCO stands for an aliphatic acyl radical with 6 to 22 carbon atoms
- R ' for hydrogen, an alkyl or hydroxyalkyl radical with 1 to 4 carbon atoms
- [Z] for a linear or branched polyhydroxyalkyl radical with 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
- the polyhydroxy fatty acid amides are known substances which can usually be obtained by reductive amination of a reducing sugar with ammonia, an alkylamine or an alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride.
- the group of polyhydroxy fatty acid amides also includes compounds of the formula (X) R 1 -0-R 2
- R represents a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms
- R 1 represents a linear, branched or cyclic alkyl radical or an aryl radical having 2 to 8 carbon atoms
- R 2 represents a linear, branched or cyclic alkyl radical or an aryl radical or an oxyalkyl radical having 1 to 8 carbon atoms
- C 1-4 alkyl or phenyl radicals being preferred
- [Z] being a linear polyhydroxyalkyl radical whose alkyl chain is substituted by at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or pro - Poxylated derivatives of this residue.
- [Z] is preferably obtained by reductive amination of a reduced sugar, for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- a reduced sugar for example glucose, fructose, maltose, lactose, galactose, mannose or xylose.
- the N-alkoxy- or N-aryloxy-substituted compounds can be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
- the cleaning agents according to the invention for machine dishwashing particularly preferably contain nonionic surfactants, in particular nonionic surfactants from the group of the alkoxylated alcohols.
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or may contain linear and methyl-branched radicals in the mixture, as are usually present in oxo alcohol radicals.
- EO ethylene oxide
- alcohol ethoxylates with linear residues of alcohols of native origin with 12 to 18 carbon atoms for example from coconut, palm, tallow or oleyl alcohol, and an average of 2 to 8 EO per mole of alcohol are particularly preferred.
- the preferred ethoxylated alcohols include, for example, C 12 . 14 -alcohols with 3 EO or 4 EO, C 9-11 -alcohol with 7 EO, C 13 . 15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12-18 alcohols with 3 EO, 5 EO or 7 EO and mixtures thereof, such as mixtures of C 12-14 alcohol with 3 EO and C. 12-18 alcohol with 5 EO.
- the degrees of ethoxylation given represent statistical averages, which can be an integer or a fraction for a specific product.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- fatty alcohols with more than 12 EO can also be used. Examples of this are tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
- Agents according to the invention which contain a nonionic surfactant which has a melting point above room temperature are particularly preferred.
- preferred agents are characterized in that they contain nonionic surfactant (s) with a melting point above 20 ° C., preferably above 25 ° C., particularly preferably between 25 and 60 ° C. and in particular between 26.6 and 43, 3 ° C.
- Suitable nonionic surfactants which have melting or softening points in the temperature range mentioned are, for example, low-foaming nonionic surfactants which can be solid or highly viscous at room temperature. If nonionic surfactants which are highly viscous at room temperature are used, it is preferred that they have a viscosity above 20 Pas, preferably above 35 Pas and in particular above 40 Pas. Nonionic surfactants that have a waxy consistency at room temperature are also preferred.
- Preferred nonionic surfactants to be used at room temperature originate from the groups of the alkoxylated nonionic surfactants, in particular the ethoxylated primary alcohols and mixtures of these surfactants with structurally more complex surfactants such as polyoxypropylene / polyoxyethylene / polyoxypropylene (PO / EO / PO) surfactants.
- Such (PO / EO / PO) nonionic surfactants are also characterized by good foam control.
- the nonionic surfactant with a melting point above room temperature is an ethoxylated nonionic surfactant which results from the reaction of a monohydroxyalkanol or alkylphenol having 6 to 20 carbon atoms with preferably at least 12 mol, particularly preferably at least 15 mol, in particular at least 20 moles of ethylene oxide per mole of alcohol or alkylphenol has resulted.
- a particularly preferred solid at room temperature, non-ionic surfactant is selected from a straight chain fatty alcohol having 16 to 20 carbon atoms (C 16th 20 -alcohol), preferably a C 18 -AlkohoI and at least 12 mole, preferably at least 15 mol and recovered in particular at least 20 moles of ethylene oxide , Among these, the so-called “narrow ranks ethoxylates" (see above) are particularly preferred.
- particularly preferred rinse aids according to the invention contain ethoxylated non-surfactant (s) consisting of C 6-2 o-monohydroxyalkanols or C 6-2 o-alkylphenols or C 16-2 o-fatty alcohols and more than 12 mol, preferably more than 15 moles and in particular more than 20 moles of ethylene oxide per mole of alcohol has been obtained.
- ethoxylated non-surfactant consisting of C 6-2 o-monohydroxyalkanols or C 6-2 o-alkylphenols or C 16-2 o-fatty alcohols and more than 12 mol, preferably more than 15 moles and in particular more than 20 moles of ethylene oxide per mole of alcohol has been obtained.
- the nonionic surfactant which is solid at room temperature, preferably additionally has propylene oxide units in the molecule.
- Such PO units preferably make up to 25% by weight, particularly preferably up to 20% by weight and in particular up to 15% by weight of the total molecular weight of the nonionic Surfactants.
- Particularly preferred nonionic surfactants are ethoxylated monohydroxyalkanols or alkylphenols, which additionally have polyoxyethylene-polyoxypropylene block copolymer units.
- the alcohol or alkylphenol portion of such nonionic surfactant molecules preferably makes up more than 30% by weight, particularly preferably more than 50% by weight and in particular more than 70% by weight of the total molecular weight of such nonionic surfactants.
- Preferred rinse aids are characterized in that they contain ethoxylated and propoxylated nonionic surfactants in which the propylene oxide units in the molecule contain up to 25% by weight, preferably up to 20% by weight and in particular up to 15% by weight, of the total molecular weight make up the nonionic surfactant included.
- nonionic surfactants with melting points above room temperature contain 40 to 70% of a polyoxypropylene / polyoxyethylene / polyoxypropylene block polymer blend which comprises 75% by weight of an inverted block copolymer of polyoxyethylene and polyoxypropylene with 17 mol of ethylene oxide and 44 mol of propylene oxide and 25 % By weight of a block copolymer of polyoxyethylene and polyoxypropylene, initiated with trimethylolpropane and containing 24 moles of ethylene oxide and 99 moles of propylene oxide per mole of trimethylolpropane.
- Nonionic surfactants that may be used with particular preference are available, for example under the name Poly Tergent ® SLF-18 from Olin Chemicals.
- a further preferred rinse aid according to the invention contains nonionic surfactants of the formula
- R 1 represents a linear or branched aliphatic hydrocarbon radical with 4 to 18 carbon atoms or mixtures thereof
- R 2 denotes a linear or branched hydrocarbon radical with 2 to 26 carbon atoms or mixtures thereof and x for values between 0.5 and 1, 5 and y stands for a value of at least 15.
- nonionic surfactants are the end-capped poly (oxyalkylated) nonionic surfactants of the formula
- R 1 and R 2 represent linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 1 to 30 carbon atoms
- R 3 represents H or a methyl, ethyl, n-propyl, isopropyl, n- Butyl, 2-butyl or 2-methyl-2-butyl radical
- x stands for values between 1 and 30, k and j stand for values between 1 and 12, preferably between 1 and 5. If the value x ⁇ 2, each R 3 in the above formula can be different.
- R 1 and R 2 are preferably linear or branched, saturated or unsaturated, aliphatic or aromatic Matic hydrocarbon radicals with 6 to 22 carbon atoms, radicals with 8 to 18 carbon atoms being particularly preferred.
- H, -CH 3 or -CH 2 CH 3 are particularly preferred for the radical R 3 .
- Particularly preferred values for x are in the range from 1 to 20, in particular from 6 to 15.
- each R 3 in the above formula can be different if x ⁇ 2.
- the value 3 for x has been chosen here by way of example and may well be larger, the range of variation increasing with increasing x values and including, for example, a large number (EO) groups combined with a small number (PO) groups, or vice versa ,
- R 1 , R 2 and R 3 are as defined above and x stands for numbers from 1 to 30, preferably from 1 to 20 and in particular from 6 to 18. Particularly preferred are surfactants in which the radicals R 1 and R 2 have 9 to 14 carbon atoms, R 3 represents H and x assumes values from 6 to 15.
- agents according to the invention are preferred, the end-capped poly (oxyalkylated) nonionic surfactants of the formula
- R 1 and R 2 represent linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 1 to 30 carbon atoms
- R 3 represents H or a methyl, ethyl, n-propyl, isopropyl, n-butyl, 2-butyl or 2-methyl-2-butyl radical
- x stands for values between 1 and 30
- k and j stand for values between 1 and 12, preferably between 1 and 5, with surfactants of the type
- agents according to the invention are preferred, the surfactant (s), preferably nonionic surfactant (s) and in particular nonionic surfactant (s) from the group of the alkoxylated alcohols, in amounts of 0.1 to 60% by weight , preferably from 0.5 to 50% by weight, particularly preferably from 1 to 40% by weight, and in particular from 2 to 30% by weight, in each case based on the composition.
- bleaching agents which can be used are, for example, sodium percarbonate, peroxypyrophosphates, citrate perhydrates and H 2 0 2 -supplying peracidic salts or peracids such as perbenzoates, peroxophthalates, diperazelaic acid, phthaloiminoperacid or diperdodecanedioic acid.
- Cleaning agents according to the invention can also contain bleaching agents from the group of organic bleaching agents. Typical organic bleaching agents are the diacyl peroxides, such as dibenzoyl peroxide.
- organic bleaching agents are peroxy acids, examples of which include alkyl peroxy acids and aryl peroxy acids.
- Preferred representatives are (a) the peroxybenzoic acid and its ring-substituted derivatives, such as alkylperoxybenzoic acids, but also peroxy- ⁇ -naphthoic acid and magnesium monoperphthalate, (b) the aliphatic or substituted aliphatic peroxyacids, such as peroxylauric acid, peroxystearic acid, ⁇ -phthalimoxyhexanoic acid panoic acid [phthalimidhexanoic acid] (p-phthalimidoxythanoic acid) ( ⁇ -phthalimidoxythanoic acid) )], o-Carboxybenzamidoperoxycapronsäure, N-nonenyl amidoperadipin Textre and N-nonenylamidopersuccinates, and (c) aliphatic and araliphatic icarbon Acid peroxide, such as 1, 12-diper
- Chlorine or bromine-releasing substances can also be used as bleaching agents in the cleaning agents according to the invention for machine dishwashing.
- Suitable materials which release chlorine or bromine include, for example, heterocyclic N-bromo- and N-chloramides, for example trichloroisocyanuric acid, tribromoisocyanuric acid, dibromoisocyanuric acid and / or dichloroisocyanuric acid (DICA) and / or their salts with cations such as potassium and sodium.
- DICA dichloroisocyanuric acid
- Hydantoin compounds such as 1,3-dichloro-5,5-dimethylhydanthoin are also suitable.
- Bleach activators that support the action of the bleach are other important ingredients.
- Known bleach activators are compounds that have one or more N or O acyl groups contain, such as substances from the class of anhydrides, esters, imides and acylated imidazoles or oximes. Examples are tetraacetylethylenediamine TAED, tetraacetylmethylenediamine TAMD and tetraacetylhexylenediamine TAHD, but also pentaacetylglucose PAG, 1, 5-diacetyl-2,2-dioxo-hexahydro-1, 3,5-triazine DADHT and isatoic anhydride ISA.
- Bleach activators which can be used are compounds which, under perhydrolysis conditions, give aliphatic peroxocarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid. Suitable substances are those which carry O- and / or N-acyl groups of the number of carbon atoms mentioned and / or optionally substituted benzoyl groups.
- polyalkylated alkylenediamines in particular tetraacetylethylenediamine (TAED), alkylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), aylated glycolurils, in particular tetraacetylglycoluril (TAGU), N- Acylimides, in particular N-nonanoylsuccinimide (NOSI), aeylated phenolsulfonates, in particular n-nonanoyl- or isononanoyloxybenzenesulfonate (n- or iso-NOBS), carboxylic acid anhydrides, in particular phthalic anhydride, aeylated polyhydric alcohols, especially triacoldiacetate Diacetoxy-2,5-dihydrofuran, n-methyl-morpholinium-ace
- TAED
- bleach catalysts can also be incorporated into the rinse aid particles.
- These substances are bleach-enhancing transition metal salts or transition metal complexes such as, for example, Mn, Fe, Co, Ru or Mo salt complexes or carbonyl complexes.
- Mn, Fe, Co, Ru, Mo, Ti, V and Cu complexes with N-containing tripod ligands as well as Co, Fe, Cu and Ru amine complexes can also be used as bleaching catalysts.
- TAED tetraacetylethylenediamine
- N-acylimides in particular N-nonanoylsuccinimide (NOSI)
- NOSI N-nonanoyl
- Bleach-enhancing transition metal complexes in particular with the central atoms Mn, Fe, Co, Cu, Mo, V, Ti and / or Ru, preferably selected from the group consisting of manganese and / or cobalt salts.
- ze and / or complexes particularly preferably the cobalt (ammin) complexes, the cobalt (acetate) complexes, the cobalt (carbonyl) complexes, the chlorides of cobalt or manganese, of the manganese sulfate are used in conventional amounts, preferably in one Amount up to 5% by weight, in particular from 0.0025% by weight to 1% by weight and particularly preferably from 0.01% by weight to 0.25% by weight, in each case based on the total composition , used. But in special cases, more bleach activator can be used.
- Suitable enzymes in the cleaning agents according to the invention are, in particular, those from the classes of hydrolases such as proteases, esterases, lipases or lipolytically active enzymes, amylases, glycosyl hydrolases and mixtures of the enzymes mentioned. All of these hydrolases contribute to the removal of stains such as stains containing protein, fat or starch. Oxidoreductases can also be used for bleaching. Particularly suitable are bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis, Streptomyceus griseus, Coprinus Cinereus and Humicola insolens as well as enzymatic active ingredients obtained from their genetically modified variants.
- hydrolases such as proteases, esterases, lipases or lipolytically active enzymes, amylases, glycosyl hydrolases and mixtures of the enzymes mentioned. All of these hydrolases contribute to the removal of stains such as stains containing protein, fat or starch
- protease and amylase or protease and lipase or lipolytic enzymes for example of protease, amylase and lipase or lipolytic enzymes or protease, lipase or lipolytic enzymes, but especially protease and / or lipase-containing mixtures or mixtures with lipolytically active enzymes of particular interest.
- Known cutinases are examples of such lipolytically active enzymes.
- Peroxidases or oxidases have also proven to be suitable in some cases.
- Suitable amylases include in particular alpha-amylases, iso-amylases, pullulanases and pectinases.
- the enzymes can be adsorbed on carriers or embedded in coating substances to protect them against premature decomposition.
- the proportion of the enzymes, enzyme mixtures or enzyme granules can be, for example, about 0.1 to 5% by weight, preferably 0.5 to about 4.5% by weight.
- Dyes and fragrances can be added to the automatic dishwashing agents according to the invention in order to improve the aesthetic impression of the resulting products and, in addition to the performance, to provide the consumer with a visually and sensorially "typical and unmistakable" product.
- Individual fragrance compounds for example the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type, can be used as perfume oils or fragrances.
- Fragrance compounds of the ester type are, for example, benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate, phenylethyl acetate, linalyl benzoate, benzyl formate, ethylmethylphenylglycinate, Allyl cyclohexyl propionate, styrallyl propionate and benzyl salicylate.
- the ethers include, for example, benzyl ethyl ether, the aldehydes, for example, the linear alkanals with 8-18 C atoms, citral, citronellal, citronellyloxyacetaldehyde, cyclamenaldehyde, hydroxycitronellal, lilial and bourgeonal, and the ketones include, for example, the jonones, ⁇ -isomethylionone and methylcedryl ketone , the alcohols anethole, citronellol, eugenol, geraniol, linalool, phenylethyl alcohol and terpineol, the hydrocarbons mainly include the terpenes such as limonene and pinene.
- Perfume oils of this type can also contain natural fragrance mixtures, such as are obtainable from plant sources, for example pine, citrus, jasmine, patchouly, rose or ylang-ylang oil. Also suitable are muscatel, sage oil, chamomile oil, clove oil, lemon balm oil, mint oil, cinnamon leaf oil, linden blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil as well as orange blossom oil, neroliol, orange peel oil and sandalwood oil.
- the fragrances can be incorporated directly into the cleaning agents according to the invention, but it can also be advantageous to apply the fragrances to carriers which increase the adhesion of the perfume to the laundry and ensure a long-lasting fragrance of the textiles due to a slower fragrance release.
- Cyclodextrins for example, have proven useful as such carrier materials, and the cyclodextrin-perfume complexes can additionally be coated with further auxiliaries. Incorporation of the fragrances into the rinse aid particles according to the invention is also possible and leads to a scent impression when the machine is opened (see above).
- the agents according to the invention can be colored with suitable dyes.
- Preferred dyes the selection of which is not difficult for the person skilled in the art, have a high storage stability and insensitivity to the other ingredients of the compositions and to light, and no pronounced substantivity to the substrates to be treated with the compositions, such as glass, ceramics or plastic tableware, not to mention these to stain.
- the cleaning agents according to the invention can contain corrosion inhibitors to protect the items to be washed or the machine, silver protection agents in particular being of particular importance in the field of automatic dishwashing.
- the known substances of the prior art can be used.
- silver protection agents selected from the group of the triazoles, the benzotriazoles, the bisbenzotriazoles, the aminotriazoles, the alkylaminotriazoles and the transition metal salts or complexes can be used in particular.
- Benzotriazole and / or alkylaminotriazole are particularly preferably to be used.
- active chlorine-containing agents are often found in cleaner formulations, which can significantly reduce the corroding of the silver surface.
- oxygen- and nitrogen-containing organic redox-active compounds such as di- and trihydric phenols, e.g. B. hydroquinone, pyrocatechol, hydroxyhydroquinone, gallic acid, phloroglucinol, pyrogallol or derivatives thereof Classes of compounds.
- Salt-like and complex-like inorganic compounds such as salts of the metals Mn, Ti, Zr, Hf, V, Co and Ce, are also frequently used.
- transition metal salts which are selected from the group consisting of manganese and / or cobalt salts and / or complexes, particularly preferably the Coba_t (ammin) complexes, the cobalt (acetate) complexes, the cobalt (carbonyl) complexes , the chlorides of cobalt or manganese and manganese sulfate.
- Zinc compounds can also be used to prevent corrosion on the wash ware.
- the agents according to the invention can be packaged in any desired form.
- both liquid and solid agents can be easily produced.
- liquid dishwashing agents with viscosities from a few Pas to gel-like agents or even cut-resistant pastes can be produced
- Solid media can be used to produce both particulate media such as powders, granules, extrudates, flakes, pellets, flakes, etc., and compact moldings such as blocks or tablets, the latter being clearly preferred due to their high consumer acceptance.
- Detergent tablets for machine dishwashing can be pressed from a single premix and can thus be provided in the form of a single-phase tablet.
- two-layer, three-layer or four-layer tablets are obtained.
- the different layers open up the possibility of separating active ingredients from one another, it being possible for both the ingredients which are mandatory according to the invention to be separated from one another and other optional ingredients such as bleaching agents and bleach activators.
- the individual phases of the shaped body can have different spatial shapes.
- the simplest possible implementation is in two- or multi-layer tablets, with each layer of the shaped body representing a phase.
- ring core tablets coated tablets or combinations of the above-mentioned embodiments are possible, for example.
- the most widespread spatial form of multi-phase tablets is the two- or multi-layer tablet.
- the phases of the shaped body have the shape of layers and the shaped body is 2-, 3- or 4-phase.
- the moldings according to the invention can assume any geometric shape, in particular concave, convex, biconcave, biconvex, cubic, tetragonal, orthorhombic, cylindrical, spherical, segment-like, disk-shaped, tetrahedral, dodecahedral, octahedral, conical, pyramidal, ellipsoid, five- hexagonal and octagonal prismatic and rhombohedral shapes are preferred.
- Completely irregular base areas such as arrow or animal shapes, trees, clouds, etc. can also be realized.
- the shaped bodies according to the invention have corners and edges, they are preferably rounded. As an additional optical differentiation, an embodiment with rounded corners and beveled (“chamfered”) edges is preferred.
- Another option for separating active substances from one another in individual areas is to provide a tablet which has a cavity (for example a trough or a through-hole) and to fill this cavity with a further part, for example by pouring it out with a melt or filling it with powder. It is also possible to glue on or glue in a separately produced molded body or a tablet, it being possible to dispense with the glue under certain geometric conditions (mechanical adhesion).
- This variant has the advantage that the second part can be manufactured on the one hand in a variety of ways (e.g. by tableting, sintering, casting, extrusion, etc.) and on the other hand by appropriate measures (e.g. by coating) before inserting or adding can be made up so that it dissolves at a predetermined point in the program sequence of the dishwasher and releases the ingredients.
- the cavity in the pressed part of such shaped bodies according to the invention can have any shape. It can cut through the molded body, ie have an opening on different sides, for example on the top and bottom of the molded body, but it can also be a cavity that does not go through the entire molded body, the opening of which is only visible on one side of the molded body.
- the shape of the cavity can also be freely selected within wide limits. For reasons of process economy, through holes, the openings of which lie on opposing surfaces of the shaped bodies, and troughs with an opening on one side of the shaped body have proven successful.
- the cavity has the shape of a through hole, the openings of which are located on two opposing tablet surfaces.
- the shape of such a through hole can be chosen freely, with molded bodies being preferred in which the through hole has circular, elliptical, triangular, rectangular, square, pentagonal, hexagonal, heptagonal or octagonal horizontal sections.
- Completely irregular hole shapes such as arrow or animal shapes, trees, clouds etc. can also be realized.
- shaped bodies in the case of angular holes, those with rounded corners and edges or with rounded corners and chamfered edges are preferred.
- the geometric implementation forms mentioned above can be combined with one another as desired. Shaped bodies with a rectangular or square base and circular holes can be produced as well as round shaped bodies with octagonal holes, whereby there are no limits to the variety of possible combinations.
- molded articles with a hole are particularly preferred in which the molded article base area and the hole cross section have the same geometric shape, for example molded articles with a square base area and a centrally incorporated square hole.
- Ring moldings ie circular moldings with a circular hole, are particularly preferred.
- the moldings according to the invention can also assume any geometric shape in this embodiment, in particular concave, convex, biconcave, biconvex, cubic, tetragonal, orthorhombic, cylindrical, spherical, cylindrical segment-like, disk-shaped, tetrahedral, dodecahedral, octahedral , conical, pyramidal, ellipsoidal, pentagonal, seven-sided and octagonal-prismatic as well as rhombohedral shapes are preferred, completely irregular base areas such as arrow or animal shapes, trees, clouds etc. can also be realized they are preferably rounded. As an additional optical differentiation, an embodiment with rounded corners and chamfered (“chamfered”) edges is preferred.
- the shape of the trough can also be chosen freely, preference being given to moldings in which at least one trough has a concave, convex, cubic, tetragonal, orthorhombic, cylindrical, spherical, segment-like, disc-shaped, tetrahedral, dodecahedral, octahedral, conical, pyramidal, ellipsoidal , five-, seven- and octagonal-prismatic and rhombohedral shape can take.
- Completely irregular trough shapes such as arrow or animal shapes, trees, clouds, etc. can also be realized.
- troughs with rounded corners and edges or with rounded corners and chamfered edges are preferred.
- the size of the trough or the through hole in comparison to the entire molded article depends on the intended use of the molded article.
- the size of the cavity can vary depending on how much more active substance the remaining hollow volume is to be filled with and whether a smaller or larger amount of detergent component is to be contained.
- detergent tablets are preferred in which the volume ratio of the pressed part (“base tablet”) to the “core” is 2: 1 to 100: 1, preferably 3: 1 to 80: 1, particularly preferably 4: 1 to 50: 1 and in particular 5: 1 to 30: 1.
- a mass ratio of the two parts can also be specified, the two values correlating with one another via the densities of the base molding or of the “core”.
- detergent tablets according to the invention are preferred, in which the weight ratio of the base tablet to “core” is 1: 1 to 100: 1, preferably 2: 1 to 80: 1, particularly preferably 3: 1 to 50: 1 and in particular 4: 1 to 30: 1.
- the core and the base molding are preferably colored to be optically distinguishable.
- application technology advantages can be achieved through different solubilities of the different shaped body regions.
- Detergent tablets in which the core dissolves faster than the base tablet are preferred according to the invention.
- the solubility of the cores can be accelerated in a targeted manner, on the other hand, the release of certain ingredients from the cores can lead to advantages in the cleaning process.
- detergent tablets according to the invention are preferred, in which the core dissolves later in the washing program than the base tablet.
- Performance advantages from this delayed release can be achieved, for example, by using a slower-soluble core to release active substance (s) only in later rinsing cycles.
- the more slowly soluble cores can ensure that additional active substance (s) are / are available in the rinse cycle.
- Additional substances such as nonionic surfactants, acidifying agents, soil release polymers, etc. can be used to improve the rinse aid results.
- Incorporation of perfume is also possible without any problems; Due to its delayed release, the often occurring "lye smell" when opening the machine can be eliminated in dishwashers.
- the base molding has a high specific weight.
- Detergent tablets which are characterized in that the base tablet has a density above 1000 kgdm “3 , preferably above 1025 kgdm “ 3 , particularly preferably above 1050 kgdm “3 and in particular above 1100 kgdm “ 3 , are according to the invention prefers.
- disintegration aids so-called tablet disintegrants
- tablet disintegrants or disintegration accelerators are understood as auxiliary substances which are necessary for the rapid disintegration of tablets in water or gastric juice and ensure the release of the pharmaceuticals in absorbable form.
- Preferred detergent tablets contain 0.5 to 10% by weight, preferably 3 to 7% by weight and in particular 4 to 6% by weight of one or more disintegration auxiliaries, in each case based on the weight of the tablet. If only the base molding contains disintegration aids, the information given relates only to the weight of the base molding. When disintegration aids are incorporated into the detergent components according to the invention, those count as ingredients d).
- Disintegrants based on cellulose are used as preferred disintegrants in the context of the present invention, so that preferred detergent tablets such a disintegrant based on cellulose in amounts of 0.5 to 10% by weight, preferably 3 to 7% by weight and in particular 4 to 6% by weight .-% contain.
- Pure cellulose has the formal gross composition (C 6 H 10 O 5 ) n and, formally speaking, is a ß-1,4 polyacetal of cellobiose, which in turn is made up of two molecules of glucose.
- Suitable celluloses consist of approximately 500 to 5000 glucose units and consequently have average molecular weights of 50,000 to 500,000.
- Cellulose-based disintegrants which can be used in the context of the present invention are also cellulose derivatives which can be obtained from cellulose by polymer-analogous reactions.
- Such chemically modified celluloses include, for example, products from esterifications or etherifications in which hydroxy hydrogen atoms have been substituted.
- celluloses in which the hydroxyl groups have been replaced by functional groups which are not bound via an oxygen atom can also be used as cellulose derivatives.
- the group of cellulose derivatives includes, for example, alkali celluloses, carboxymethyl cellulose (CMC), cellulose esters and ethers and aminocelluloses.
- the cellulose derivatives mentioned are preferably not used alone as a cellulose-based disintegrant, but are used in a mixture with cellulose.
- the cellulose derivative content of these mixtures is preferably below 50% by weight, particularly preferably below 20% by weight, based on the disintegrant based on cellulose. Pure cellulose which is free from cellulose derivatives is particularly preferably used as the disintegrant based on cellulose.
- the cellulose used as disintegration aid is preferably not used in finely divided form, but is converted into a coarser form, for example granulated or compacted, before being added to the premixes to be pressed.
- the particle sizes of such disintegrants are usually above 200 ⁇ m, preferably at least 90% by weight between 300 and 1600 ⁇ m and in particular at least 90% by weight between 400 and 1200 ⁇ m.
- Microcrystalline cellulose can be used as a further cellulose-based disintegrant or as a component of this component.
- This microcrystalline cellulose is obtained by partial hydrolysis of celluloses under conditions which only attack and completely dissolve the amorphous areas (approx. 30% of the total cellulose mass) of the celluloses, but leave the crystalline areas (approx. 70%) undamaged.
- a subsequent disaggregation of the microfine celluloses produced by the hydrolysis provides the microcrystalline celluloses, which have primary particle sizes of approximately 5 ⁇ m and can be compacted, for example, into granules with an average particle size of 200 ⁇ m.
- Preferred detergent tablets within the scope of the present invention additionally contain a disintegration aid, preferably a cellulose-based disintegration aid, preferably in granular, cogranulated or compacted form, in amounts of 0.5 to 10% by weight, preferably 3 to 7% by weight and in particular from 4 to 6% by weight, in each case based on the weight of the shaped body.
- a disintegration aid preferably a cellulose-based disintegration aid, preferably in granular, cogranulated or compacted form, in amounts of 0.5 to 10% by weight, preferably 3 to 7% by weight and in particular from 4 to 6% by weight, in each case based on the weight of the shaped body.
- the detergent tablets according to the invention can also contain a gas-developing shower system both in the base tablet and in the detergent component.
- the gas-developing shower system can consist of a single substance that releases a gas when it comes into contact with water.
- magnesium peroxide should be mentioned in particular, which releases oxygen on contact with water.
- the gas-releasing bubble system itself consists of at least two components that react with one another to form gas. While a large number of systems which release nitrogen, oxygen or hydrogen, for example, are conceivable and executable here, the bubbling system used in the detergent tablets according to the invention can be selected on the basis of both economic and ecological aspects.
- Preferred shower systems consist of alkali metal carbonate and / or bicarbonate and an acidification agent which is suitable for releasing carbon dioxide from the alkali metal salts in aqueous solution.
- the alkali metal carbonates or bicarbonates the sodium and potassium salts are clearly preferred over the other salts for reasons of cost.
- the pure alkali metal carbonates or bicarbonates in question do not have to be used; rather, mixtures of different carbonates and bicarbonates may be preferred for reasons of washing technology.
- effervescent system % 2 to 20% by weight, preferably 3 to 15% by weight and in particular 5 to 10% by weight of an alkali metal carbonate or hydrogen carbonate and 1 to 15, preferably 2 to 12 and in particular 3 to 10, are used as the effervescent system %
- an acidifying agent based in each case on the entire molded article, is used.
- Acidifying agents which release carbon dioxide from the alkali salts in aqueous solution are, for example, boric acid and alkali metal bisulfates, alkali metal dihydrogen phosphates and other inorganic salts.
- organic acidifying agents are preferably used, citric acid being a particularly preferred acidifying agent.
- the other solid mono-, oligo- and polycarboxylic acids can also be used in particular. Tartaric acid, succinic acid, malonic acid, adipic acid, maleic acid, fumaric acid, oxalic acid and polyacrylic acid are preferred from this group.
- Organic sulfonic acids such as amidosulfonic acid can also be used.
- Sokalan ® DCS (trademark of BASF), a mixture of succinic acid (max. 31% by weight), glutaric acid (max. 50% by weight) and adipic acid (commercially available and also preferably used as an acidifying agent in the context of the present invention) max. 33% by weight).
- shaped detergent bodies in which a substance from the group of the organic di-, tri- and oligocarboxylic acids or mixtures thereof are used as the acidifying agent in the effervescent system.
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Abstract
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10032612 | 2000-07-07 | ||
| DE2000132612 DE10032612A1 (de) | 2000-07-07 | 2000-07-07 | Klarspülmittel II |
| DE10050622A DE10050622A1 (de) | 2000-07-07 | 2000-10-12 | Klarspülmittel II a |
| DE10050622 | 2000-10-12 | ||
| PCT/EP2001/007383 WO2002004583A1 (de) | 2000-07-07 | 2001-06-28 | Maschinelles geschirrspülmittel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1299513A1 true EP1299513A1 (de) | 2003-04-09 |
| EP1299513B1 EP1299513B1 (de) | 2005-10-26 |
Family
ID=26006291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01967102A Revoked EP1299513B1 (de) | 2000-07-07 | 2001-06-28 | Maschinelles geschirrspülmittel |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6962898B2 (de) |
| EP (1) | EP1299513B1 (de) |
| AT (1) | ATE307870T1 (de) |
| AU (1) | AU2001287566A1 (de) |
| DE (2) | DE10050622A1 (de) |
| ES (1) | ES2251507T3 (de) |
| WO (1) | WO2002004583A1 (de) |
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|---|---|---|---|---|
| EP2196531A1 (de) | 2008-12-05 | 2010-06-16 | Dalli-Werke GmbH & Co. KG | Polymer beschichtete Reinigungsmitteltablette |
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| KR20090128438A (ko) | 2007-04-03 | 2009-12-15 | 헨켈 아게 운트 코. 카게아아 | 제 1 세척력을 개선하는 활성 성분을 가지는 세제 |
| DE102007042907A1 (de) * | 2007-09-10 | 2009-03-12 | Henkel Ag & Co. Kgaa | Reinigungsmittel |
| GB0717988D0 (en) | 2007-09-14 | 2007-10-24 | Reckitt Benckiser Nv | Composition |
| EP2207822A4 (de) * | 2007-11-09 | 2012-04-11 | Procter & Gamble | Reinigungszusammensetzungen mit monocarbonsäuremonomeren, dicarbonsäuremonomeren und monomeren mit sulfonsäuregruppen |
| US20090197787A1 (en) * | 2008-02-04 | 2009-08-06 | Eurotab | Multilayer Detergent Tablet |
| EP2260070B1 (de) * | 2008-03-31 | 2015-07-22 | Nippon Shokubai Co., Ltd. | Sulfongruppenhaltige, maleinsäurebasierte, wässrige lösung mit wasserlöslichem copolymer und durch trocknen der wässrigen lösung erhaltenes pulver |
| DE102009027158A1 (de) * | 2009-06-24 | 2010-12-30 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
| DE102009029635A1 (de) * | 2009-09-21 | 2011-03-24 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel |
| DE102015213942A1 (de) | 2015-07-23 | 2017-01-26 | Henkel Ag & Co. Kgaa | Maschinelles Geschirrspülmittel enthaltend Bleichmittel und Polymere |
| EP3153571A1 (de) * | 2015-10-09 | 2017-04-12 | Backer, Scott | Additiv zur reduzierung der fleckenbildung in automatischen geschirrspülsystemen |
| DE102018205971A1 (de) * | 2018-04-19 | 2019-10-24 | Henkel Ag & Co. Kgaa | Korrosionsschutz für Glaswaren in einer Geschirrspülmaschine |
| CA3148228C (en) | 2019-08-06 | 2025-07-22 | Ecolab Usa Inc. | DETERGENT COMPOSITION CONTAINING A MALEIC ACID TETRAPOLYMERE |
| US20220251485A1 (en) * | 2021-02-09 | 2022-08-11 | Urnex Brands, Llc | Dual function milk, milkstone cleaning tablet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8428985D0 (en) * | 1984-11-16 | 1984-12-27 | Allied Colloids Ltd | Water soluble polymers |
| EP0197434B1 (de) | 1985-04-03 | 1989-07-19 | Henkel Kommanditgesellschaft auf Aktien | Klarspülmittel für die maschinelle Geschirreinigung |
| DE4400024A1 (de) | 1994-01-03 | 1995-07-06 | Henkel Kgaa | Silikatische Builder und ihre Verwendung in Wasch- und Reinigungsmitteln sowie Mehrstoffgemische für den Einsatz auf diesem Sachgebiet |
| DE19616693A1 (de) | 1996-04-26 | 1997-11-06 | Henkel Kgaa | Enolester als Bleichaktivatoren für Wasch- und Reinigungsmittel |
| DE19616767A1 (de) | 1996-04-26 | 1997-11-06 | Henkel Kgaa | Bleichaktivatoren für Wasch- und Reinigungsmittel |
| US6210600B1 (en) | 1996-12-23 | 2001-04-03 | Lever Brothers Company, Division Of Conopco, Inc. | Rinse aid compositions containing scale inhibiting polymers |
| US5783540A (en) | 1996-12-23 | 1998-07-21 | Lever Brothers Company, Division Of Conopco, Inc. | Machine dishwashing tablets delivering a rinse aid benefit |
| US5958855A (en) * | 1998-03-20 | 1999-09-28 | Colgate Palmolive Company | Powdered automatic dishwashing tablets |
| CA2404579C (en) * | 2000-03-29 | 2009-08-11 | National Starch And Chemical Investment Holding Corporation | Polymers that inhibit calcium phosphate and calcium carbonate scale in autodish applications |
-
2000
- 2000-10-12 DE DE10050622A patent/DE10050622A1/de not_active Withdrawn
-
2001
- 2001-06-28 ES ES01967102T patent/ES2251507T3/es not_active Expired - Lifetime
- 2001-06-28 AU AU2001287566A patent/AU2001287566A1/en not_active Abandoned
- 2001-06-28 DE DE50107845T patent/DE50107845D1/de not_active Revoked
- 2001-06-28 US US10/332,328 patent/US6962898B2/en not_active Expired - Lifetime
- 2001-06-28 AT AT01967102T patent/ATE307870T1/de not_active IP Right Cessation
- 2001-06-28 EP EP01967102A patent/EP1299513B1/de not_active Revoked
- 2001-06-28 WO PCT/EP2001/007383 patent/WO2002004583A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0204583A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2196531A1 (de) | 2008-12-05 | 2010-06-16 | Dalli-Werke GmbH & Co. KG | Polymer beschichtete Reinigungsmitteltablette |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE307870T1 (de) | 2005-11-15 |
| DE10050622A1 (de) | 2002-05-02 |
| ES2251507T3 (es) | 2006-05-01 |
| EP1299513B1 (de) | 2005-10-26 |
| AU2001287566A1 (en) | 2002-01-21 |
| US6962898B2 (en) | 2005-11-08 |
| WO2002004583A1 (de) | 2002-01-17 |
| DE50107845D1 (de) | 2005-12-01 |
| US20030158064A1 (en) | 2003-08-21 |
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