WO2015036325A1 - Verwendung modifizierter polyasparaginsäuren in spülmitteln - Google Patents
Verwendung modifizierter polyasparaginsäuren in spülmitteln Download PDFInfo
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- WO2015036325A1 WO2015036325A1 PCT/EP2014/068924 EP2014068924W WO2015036325A1 WO 2015036325 A1 WO2015036325 A1 WO 2015036325A1 EP 2014068924 W EP2014068924 W EP 2014068924W WO 2015036325 A1 WO2015036325 A1 WO 2015036325A1
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- WIPO (PCT)
- Prior art keywords
- acid
- weight
- mol
- modified polyaspartic
- aspartic acid
- Prior art date
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- 229920000805 Polyaspartic acid Polymers 0.000 title claims abstract description 81
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- 238000004851 dishwashing Methods 0.000 title claims abstract description 30
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- 108010064470 polyaspartate Proteins 0.000 claims description 50
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- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 28
- 235000003704 aspartic acid Nutrition 0.000 claims description 25
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 239000002585 base Substances 0.000 claims description 21
- 150000003839 salts Chemical class 0.000 claims description 19
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000006068 polycondensation reaction Methods 0.000 claims description 16
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- 235000013345 egg yolk Nutrition 0.000 description 1
- 210000002969 egg yolk Anatomy 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- XWENCHGJOCJZQO-UHFFFAOYSA-N ethane-1,1,2,2-tetracarboxylic acid Chemical compound OC(=O)C(C(O)=O)C(C(O)=O)C(O)=O XWENCHGJOCJZQO-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 108010093305 exopolygalacturonase Proteins 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 235000011087 fumaric acid Nutrition 0.000 description 1
- DSLZVSRJTYRBFB-DUHBMQHGSA-N galactaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)C(O)=O DSLZVSRJTYRBFB-DUHBMQHGSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- ZDXPYRJPNDTMRX-UHFFFAOYSA-N glutamine Natural products OC(=O)C(N)CCC(N)=O ZDXPYRJPNDTMRX-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 235000013882 gravy Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- PMYUVOOOQDGQNW-UHFFFAOYSA-N hexasodium;trioxido(trioxidosilyloxy)silane Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])O[Si]([O-])([O-])[O-] PMYUVOOOQDGQNW-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- KCYQMQGPYWZZNJ-BQYQJAHWSA-N hydron;2-[(e)-oct-1-enyl]butanedioate Chemical compound CCCCCC\C=C\C(C(O)=O)CC(O)=O KCYQMQGPYWZZNJ-BQYQJAHWSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229960002591 hydroxyproline Drugs 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- JYJIGFIDKWBXDU-MNNPPOADSA-N inulin Chemical class O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)OC[C@]1(OC[C@]2(OC[C@]3(OC[C@]4(OC[C@]5(OC[C@]6(OC[C@]7(OC[C@]8(OC[C@]9(OC[C@]%10(OC[C@]%11(OC[C@]%12(OC[C@]%13(OC[C@]%14(OC[C@]%15(OC[C@]%16(OC[C@]%17(OC[C@]%18(OC[C@]%19(OC[C@]%20(OC[C@]%21(OC[C@]%22(OC[C@]%23(OC[C@]%24(OC[C@]%25(OC[C@]%26(OC[C@]%27(OC[C@]%28(OC[C@]%29(OC[C@]%30(OC[C@]%31(OC[C@]%32(OC[C@]%33(OC[C@]%34(OC[C@]%35(OC[C@]%36(O[C@@H]%37[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O%37)O)[C@H]([C@H](O)[C@@H](CO)O%36)O)[C@H]([C@H](O)[C@@H](CO)O%35)O)[C@H]([C@H](O)[C@@H](CO)O%34)O)[C@H]([C@H](O)[C@@H](CO)O%33)O)[C@H]([C@H](O)[C@@H](CO)O%32)O)[C@H]([C@H](O)[C@@H](CO)O%31)O)[C@H]([C@H](O)[C@@H](CO)O%30)O)[C@H]([C@H](O)[C@@H](CO)O%29)O)[C@H]([C@H](O)[C@@H](CO)O%28)O)[C@H]([C@H](O)[C@@H](CO)O%27)O)[C@H]([C@H](O)[C@@H](CO)O%26)O)[C@H]([C@H](O)[C@@H](CO)O%25)O)[C@H]([C@H](O)[C@@H](CO)O%24)O)[C@H]([C@H](O)[C@@H](CO)O%23)O)[C@H]([C@H](O)[C@@H](CO)O%22)O)[C@H]([C@H](O)[C@@H](CO)O%21)O)[C@H]([C@H](O)[C@@H](CO)O%20)O)[C@H]([C@H](O)[C@@H](CO)O%19)O)[C@H]([C@H](O)[C@@H](CO)O%18)O)[C@H]([C@H](O)[C@@H](CO)O%17)O)[C@H]([C@H](O)[C@@H](CO)O%16)O)[C@H]([C@H](O)[C@@H](CO)O%15)O)[C@H]([C@H](O)[C@@H](CO)O%14)O)[C@H]([C@H](O)[C@@H](CO)O%13)O)[C@H]([C@H](O)[C@@H](CO)O%12)O)[C@H]([C@H](O)[C@@H](CO)O%11)O)[C@H]([C@H](O)[C@@H](CO)O%10)O)[C@H]([C@H](O)[C@@H](CO)O9)O)[C@H]([C@H](O)[C@@H](CO)O8)O)[C@H]([C@H](O)[C@@H](CO)O7)O)[C@H]([C@H](O)[C@@H](CO)O6)O)[C@H]([C@H](O)[C@@H](CO)O5)O)[C@H]([C@H](O)[C@@H](CO)O4)O)[C@H]([C@H](O)[C@@H](CO)O3)O)[C@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](O)[C@@H](CO)O1 JYJIGFIDKWBXDU-MNNPPOADSA-N 0.000 description 1
- 229960000310 isoleucine Drugs 0.000 description 1
- AGPKZVBTJJNPAG-UHFFFAOYSA-N isoleucine Natural products CCC(C)C(N)C(O)=O AGPKZVBTJJNPAG-UHFFFAOYSA-N 0.000 description 1
- CPJRRXSHAYUTGL-UHFFFAOYSA-N isopentenyl alcohol Chemical compound CC(=C)CCO CPJRRXSHAYUTGL-UHFFFAOYSA-N 0.000 description 1
- 235000008960 ketchup Nutrition 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical class [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- YZQBYALVHAANGI-UHFFFAOYSA-N magnesium;dihypochlorite Chemical compound [Mg+2].Cl[O-].Cl[O-] YZQBYALVHAANGI-UHFFFAOYSA-N 0.000 description 1
- FSQQTNAZHBEJLS-UPHRSURJSA-N maleamic acid Chemical compound NC(=O)\C=C/C(O)=O FSQQTNAZHBEJLS-UPHRSURJSA-N 0.000 description 1
- 235000013310 margarine Nutrition 0.000 description 1
- 239000003264 margarine Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229930182817 methionine Natural products 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 235000010460 mustard Nutrition 0.000 description 1
- ARGDYOIRHYLIMT-UHFFFAOYSA-N n,n-dichloro-4-methylbenzenesulfonamide Chemical compound CC1=CC=C(S(=O)(=O)N(Cl)Cl)C=C1 ARGDYOIRHYLIMT-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- GGRGTHFWHGANTA-UHFFFAOYSA-N pentane-1,3,3,5-tetracarboxylic acid Chemical compound OC(=O)CCC(C(O)=O)(C(O)=O)CCC(O)=O GGRGTHFWHGANTA-UHFFFAOYSA-N 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- IFIDXBCRSWOUSB-UHFFFAOYSA-N potassium;1,3-dichloro-1,3,5-triazinane-2,4,6-trione Chemical compound [K+].ClN1C(=O)NC(=O)N(Cl)C1=O IFIDXBCRSWOUSB-UHFFFAOYSA-N 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 239000003755 preservative agent 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
- NJEVMKZODGWUQT-UHFFFAOYSA-N propane-1,1,3,3-tetracarboxylic acid Chemical compound OC(=O)C(C(O)=O)CC(C(O)=O)C(O)=O NJEVMKZODGWUQT-UHFFFAOYSA-N 0.000 description 1
- JXHDZGPVOXKUSI-UHFFFAOYSA-N propane-1,2,2,3-tetracarboxylic acid Chemical compound OC(=O)CC(C(O)=O)(C(O)=O)CC(O)=O JXHDZGPVOXKUSI-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229960000999 sodium citrate dihydrate Drugs 0.000 description 1
- MSFGZHUJTJBYFA-UHFFFAOYSA-M sodium dichloroisocyanurate Chemical compound [Na+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O MSFGZHUJTJBYFA-UHFFFAOYSA-M 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- FGMPLJWBKKVCDB-UHFFFAOYSA-N trans-L-hydroxy-proline Natural products ON1CCCC1C(O)=O FGMPLJWBKKVCDB-UHFFFAOYSA-N 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 239000004474 valine Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
-
- 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
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3719—Polyamides or polyimides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
Definitions
- the present invention relates to the use of modified polyaspartic acids in dishwashing detergents, in particular as dispersants, coating inhibitors and spot inhibitors.
- Polymers obtainable by free-radical polymerization from monomers containing carboxyl groups have been an important constituent of phosphate-containing and phosphate-free automatic dishwashing detergents for many years. Their dirt-dispersing and deposit-inhibiting action make a significant contribution to the cleaning and rinsing performance of automatic dishwashing detergents. In this way, they ensure that no salt deposits of the hardness-forming calcium and magnesium ions remain on the items to be washed. Frequently, homo- and copolymers of acrylic acid are used for this purpose.
- a disadvantage of these polymers obtainable by free-radical polymerization from carboxyl group-containing monomers is that they can be used under aerobic conditions, as described, for example, in US Pat. prevail in a municipal sewage treatment plant, are not biodegradable.
- biodegradable polymeric alternatives to the polycarboxylates based on acrylic acid Due to increasing environmental awareness, therefore, the demand for biodegradable polymeric alternatives to the polycarboxylates based on acrylic acid is growing.
- biodegradable polymers previously available on the market such as polyaspartic acid or carboxymethylated inulin, have proven to be difficult to enforce commercially. The reasons are manifold: insufficient effect in the specific application, too high costs due to complex manufacturing processes and / or expensive starting materials, little or no flexibility of the polymer synthesis.
- the processes used to produce the polyaspartic acid do not allow large variations in structure, molecular weight and degree of neutralization.
- the polyaspartic acid is obtained in neutralized form as the sodium salt.
- the molecular weights range between 2000-3000 g / mol or between 5000-6000 g / mol.
- An adaptation of the polymer structure or molecular weight to specific application requirements by targeted process changes is not possible or only to a very limited extent.
- WO 201 1/001 170 describes automatic dishwashing detergent compositions comprising polyaspartic acid, a liquid nonionic surfactant and at least one solid nonionic surfactant, wherein the preparation of the polyaspartic acid is not described.
- WO 2009/095645 describes detergent compositions which contain subsequently modified polyaspartic acids with polyaspartic acid as backbone as coating inhibitor.
- the modified polyaspartic acids are obtained by reacting the polyaspartic acid or the polysuccinimide with PO / EO block copolymers, polyethyleneimine or adenosine triphosphate. Such a polyaspagrainic backbone is not difficult to adjust in molecular weight.
- the object of the invention was therefore to provide polymers as rinse aid additives, in particular as an additive to phosphate-free rinse aid formulations for machine dishwashing, which can be used to inhibit scale in water-bearing systems, are variably adjustable in their polymer structure and their molecular weight and biodegradable.
- the molecular weight of the polymers can ideally be set between 1 000 and 10 000 g / mol.
- the present invention relates to the use of modified polyaspartic acids as an additive in dishwashing detergents, as well as a dishwashing detergent composition comprising modified polyaspartic acids.
- modified polyaspartic acids used in connection with the present invention can be prepared by polycondensation of
- the dishwashing detergent composition according to the invention also contains complexing agents, builders and / or co-builders, nonionic surfactants, bleaching agents and / or bleach activators, enzymes and optionally further additives.
- the polyaspartic acid in salt form is first obtained after the hydrolysis step with addition of a base, as the person skilled in the art readily recognizes.
- the acid form of the polyaspartic acid can be easily obtained by a further step of acidification of the salt, which can be carried out in a manner known to the person skilled in the art.
- Suitable acids for this purpose include mineral acids, for example sulfuric acid or hydrochloric acid. If only the salt of polyaspartic acid is desired, for example as an intermediate, the step of subsequent acidification can be dispensed with.
- polyaspartic acid is mentioned in the context of the present invention, its corresponding salts, as obtainable or obtained by the said subsequent acidification step, are also correspondingly included and as recognized by the person skilled in the art.
- the optional acidification of the salt of the modified polyaspartic acid can be carried out, for example, by adding a defined amount of a concentrated or dilute mineral acid such as, for example, sulfuric acid or hydrochloric acid to an aqueous sodium salt solution of the modified polyaspartic acid. Acidification can also be accomplished by treatment with an acidic ion exchanger, such as Amberlite IR 120 (Hydrogen Form), by flowing the aqueous Na salt solution of the modified polyaspartic acid over a column packed with the ion exchanger.
- an acidic ion exchanger such as Amberlite IR 120 (Hydrogen Form
- the modified polyaspartic acids to be used according to the invention have extremely good usability as additives in dishwashing detergents, in particular automatic dishwashing dishwashing detergents, and have very good dispersing, pad inhibiting and spot inhibiting properties. Furthermore, they are biodegradable and can be made with variable molecular weights.
- the present invention thus relates to the use of modified polyaspartic acid as an additive - for example, but not limited to dispersants, scale inhibitor or spot inhibitors - in dishwashing detergents, in particular dishwasher detergents, wherein the modified polyaspartic acid can be prepared by polycondensation of
- a base for example sodium hydroxide, where (ii) is not aspartic acid.
- the present invention also relates to detergent compositions, particularly automatic dishwashing detergent compositions, comprising modified polyaspartic acids preparable as illustrated and described herein.
- modified polyaspartic acids preparable as illustrated and described herein.
- the description of the preparation of modified polyaspartic acids in connection with the present invention therefore generally relates both to the use according to the invention of such modified polyaspartic acids as additives in dishwashing detergents and to their use as constituents of dishwashing detergent compositions according to the invention.
- aspartic acid (i) in connection with the preparation of the polyaspartic acid to be used according to the invention it is possible to use both L- and D-aspartic acid and DL-aspartic acid. Preference is given to using L-aspartic acid.
- Carboxylic acid (monocarboxylic acid or polycarboxylic acid), a hydroxycarboxylic acid and / or an amino acid (except aspartic acid) may be used as carboxyl-containing compound (ii) in connection with the preparation of the polyaspartic acid to be used according to the invention.
- Such carboxylic acids or hydroxycarboxylic acids are preferably polybasic.
- polybasparaginic acid to be used according to the invention can therefore be prepared using polybasic carboxylic acids, for example oxalic acid, adipic acid, fumaric acid, maleic acid, itaconic acid, aconitic acid, succinic acid, malonic acid, suberic acid, azelaic acid, diglycolic acid, glutaric acid, C1-C26 alkylsuccinic acids (eg Octylsuccinic acid), C2-C26 alkenylsuccinic acids (eg octenylsuccinic acid), 1,2,3-propanetricarboxylic acid, 1,1,3,3-propanetetracarboxylic acid, 1,1,2,2-ethanetetracarboxylic acid, 1,2,3,4-butanetetracarboxylic acid, 1, 2,2,3-Propantetracarbonklare, or 1, 3,3, 5-Pentantetracarbon Acid.
- polybasic carboxylic acids for example oxalic acid,
- polybasic hydroxycarboxylic acids can be used in this context, for example citric acid, isocitric acid, mucic acid, tartaric acid, tartronic acid, or apple juice.
- Amino acids in this context include, inter alia, aminocarboxylic acids (eg glutamic acid, cysteine), basic diaminocarboxylic acids (eg lysine, arginine, histidine, aminocaprlactam), neutral amino acids (eg glycine, alanine, valine, leucine, isoleucine, methionine, cysteine, norleucine , Caprolactam, asparagine, isoasparagine, glutamine, isoglutamine), aminosulphonic acids (eg taurine), hydroxylamino acids (eg hydroxyproline, serine, threonine), iminocarboxylic acids (eg proline, iminodiacetic acid), or aromatic and heterocyclic amino acids (eg an
- Preferred carboxyl-containing compounds (ii) in connection with the preparation of the modified polyaspartic acids to be used according to the invention are 1,2,3,4-butanetetracarboxylic acid, citric acid, glycine, glutamic acid, itaconic acid, succinic acid, taurine, maleic acid and glutaric acid, particularly preferably 1, 2, 3 , 4-butanetetracarboxylic acid, citric acid, glycine and glutamic acid.
- the bases used in the hydrolysis of the cocondensates in the preparation of the modified polyaspartic acids to be used according to the invention may include, but are not limited to: alkali and alkaline earth metal bases such as caustic soda, potassium hydroxide, calcium hydroxide or barium hydroxide; Carbonates such as soda and potassium carbonate; Ammonia and primary, secondary or tertiary amines; other bases with primary, secondary or tertiary amino groups.
- alkali and alkaline earth metal bases such as caustic soda, potassium hydroxide, calcium hydroxide or barium hydroxide
- Carbonates such as soda and potassium carbonate
- Ammonia and primary, secondary or tertiary amines other bases with primary, secondary or tertiary amino groups.
- Preferred in the context of the present invention are sodium hydroxide or ammonium hydroxide.
- the modified polyaspartic acids to be used according to the invention are generally prepared by a polycondensation of aspartic acid with at least one carboxyl-containing compound (not aspartic acid) and subsequent hydrolysis of the cocondensates with the addition of a base as described above and below.
- the preparation of such modified polyaspartic acids is also described by way of example in DE 4221875.6.
- the preparation of the modified polyaspartic acids to be used according to the invention is described by way of example below. This description of the production must not be understood as limiting with regard to the modified polyaspartic acids to be used according to the invention.
- the polyaspartic acids to be used according to the invention include, in addition to those which are prepared according to the following preparation description, also those which can be prepared by the following process.
- the modified polyaspartic acids to be used according to the invention can be prepared, for example, by polycondensation of components (i) and (ii), ie aspartic acid and at least one carboxyl-containing compound in the molar ratios as described herein.
- the polycondensation can be carried out at temperatures of 100 to 270 ° C, preferably at 120 to 250 ° C, more preferably at 180 to 220 ° C.
- the condensation (annealing) is preferably carried out in vacuo or under an inert gas atmosphere (eg N 2 or argon).
- the condensation can also be carried out under elevated pressure or in a gas stream, for example carbon dioxide, air, oxygen or water vapor. Depending on the chosen reaction conditions, the reaction times for the condensation are generally between 1 minute and 50 hours, preferably between 5 and 8 hours.
- the polycondensation can be carried out, for example, in solid phase, in which first an aqueous solution or suspension of aspartic acid and preparing at least one carboxyl-containing compound (ii) and evaporating the solution to dryness. This can already use a condensation.
- condensation of solids can be carried out with removal of water of reaction
- Low molecular weight polycondensates can be prepared in pressure-tight vessels by not or only partially removing the resulting water of reaction.
- the polycondensation can also be carried out by infrared radiation or microwave radiation.
- an acid-catalyzed polycondensation for example with inorganic acids of phosphorus or sulfur or with hydrogen halides. Such acid-catalyzed polycondensations are also described in DE 4221875.6.
- modified polyaspartic acid By adding small amounts of methanesulfonic acid in the polycondensation of aspartic acid, the molecular weight of the polyaspartic acid obtained after hydrolysis of the polysuccinimide intermediate can be controlled.
- methanesulfonic acid as additive in the polycondensation in addition to aspartic acid (i) and a carboxyl-containing compound (ii) and then the resulting cocondensate with a base as described here is hydrolyzed.
- the molar ratio of aspartic acid (i) and a carboxyl-containing compound (ii) on the one hand to methanesulfonic acid on the other hand in the condensation step should ideally be 200: 1 to 5: 1, preferably 100: 1 to 10: 1, particularly preferably 50 : 1 to 12: 1.
- 50 to 99 mol%, preferably 60 to 95 mol%, particularly preferably 80 to 95 mol% aspartic acid and 1 to 50 mol%, preferably 5 to 40 mol%, are therefore used to prepare the modified polyaspartic acid to be used according to the invention, particularly preferably 5 to 20 mol% of a carboxyl-containing compound with methanesulfonic acid in a ratio of 200: 1 to 5: 1, preferably 100: 1 to 10: 1, particularly preferably 50: 1 to 12: 1 polycondensed as described herein.
- Methanesulfonic acid like polyaspartic acid, is biodegradable. Small amounts of methanesulfonic acid can remain in the polymer product without environmental disadvantages and without affecting performance in the numerous applications. A complex workup or cleaning is not necessary. Yield losses due to the workup are avoided.
- the polycondensate In the case of the thermal polycondensation of aspartic acid with one of the suitable carboxyl-containing compounds (ii) (with or without methanesulfonic acid), the polycondensate generally accumulates in the form of the water-insoluble modified polyaspartimides, in a few cases in water-soluble form (for example in US Pat Polycondensation of L-aspartic acid with citric acid).
- the co-condensates of aspartic acid can be purified from the unreacted starting materials, for example, by the crushed product and extracted with water at temperatures of 10 to 100 ° C. The unreacted starting materials are dissolved out and any methanesulfonic acid used is dissolved washed out. Unreacted aspartic acid can be easily dissolved by extraction with 1N hydrochloric acid.
- the modified polyaspartic acids are preferably obtained from the polycondensates by slurrying or dissolving the polycocondensates in water (if the polycocondensate is already water-soluble, for example polycondensate of L-aspartic acid and citric acid) and at temperatures preferably in the range from 0 to 90 ° C.
- Suitable bases are, for example, alkali metal and alkaline earth metal bases, such as sodium hydroxide solution, potassium hydroxide solution, calcium hydroxide or barium hydroxide.
- bases for example, carbonates such as soda and potassium carbonate in question.
- ammonia and primary, secondary or tertiary amines and other bases having primary, secondary or tertiary amino groups are also suitable as the base.
- amines When amines are used for the reaction of polyaspartimide, the amines can be bound to the polyaspartic acid both salt-like and amide-like due to their high reactivity.
- bases obtained partially or completely neutralized polycocondensates according to the use in the preceding polycondensation 50 to 99 mol% aspartic acid according to (i), and 1 to 50 mol% of at least one carboxyl-containing compound (ii) (with or without methanesulfonic acid in proportions as described herein) in the form of the salts corresponding to the bases.
- the modified polyaspartic acids to be used according to the invention or their salts may be in the form of an aqueous solution or in solid form, e.g. be used in powder or granular form.
- the powder or granule form can be obtained, for example, by spray drying, spray granulation, fluidized-bed spray granulation, drum drying or freeze-drying of the aqueous solution of the polyaspartic acids or their salts.
- the present invention furthermore relates to detergent compositions, in particular dishwashing detergent compositions which, in addition to the modified polyaspartic acids described and to be used according to the invention, also include complexing agents, builders and / or co-builders, nonionic surfactants, bleaching agents and / or bleach activators, enzymes and optionally other additives such as solvents include.
- the modified polyaspartic acids described here and to be used according to the invention can be incorporated directly into the formulations (mixtures) in their various dosage forms by methods known to the person skilled in the art. These include, inter alia, solid formulations such as powders, tablets, gelatinous formulations and liquid formulations.
- modified polyaspartic acids described and to be used according to the invention which are used according to the invention can be used particularly advantageously in automatic dishwashing detergents. They are characterized mainly by their deposit-inhibiting effect against both inorganic and organic coatings. In particular, they inhibit deposits of calcium and magnesium carbonate and calcium and magnesium phosphates and phosphonates. In addition, they prevent deposits that come from the dirt components of the rinse, such as fat, protein and starch coverings.
- the detergent compositions of the invention may be provided in liquid, gel or solid form, single or multi-phase, as tablets or in the form of other dosage units, packaged or unpackaged.
- modified polyaspartic acids described and to be used according to the invention can be used both in multicomponent product systems (separate use of cleaner, rinse aid and regenerating salt) and in rinse aids in which the functions of cleaner, rinse aid and regenerating salt are combined in one product (eg 3-in-1 products, 6-in-1 products, 9-in-1 products, all-in-one products).
- compositions according to the invention comprise
- the detergent composition according to the invention is particularly suitable as a dishwashing detergent composition for machine dishwashing.
- the rinse aid composition of the present invention is a machine dishwashing detergent composition.
- complexing agent (b) it is possible to use, for example: nitrilotriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, hydroxyethylethylenediaminetriacetire, methylglycinediacetic acid, glutamic acid diacid, iminodisuccinic acid, hydroxyminodisuccinic acid, ethylenediamine disuccinic acid, aspartic acid diacetic acid, and in each case their salts.
- Preferred complexing agents (b) are methylglycinediacetic acid and glutamic acid diacetic acid and their salts.
- Particularly preferred complexing agents (b) are methylglycinediacetic acid and its salts.
- complexing agent (b) preference is given to 3 to 50% by weight of complexing agent (b).
- builder and / or co-builder (c) it is possible in particular to use water-soluble or water-insoluble substances whose main task is the binding of calcium and magnesium ions.
- carboxylic acids and their salts such as alkali in particular, anhydrous trisodium citrate or trisodium citrate dihydrate, alkali metal succinates, alkali metal malates, fatty acid sulfonates, oxydisuccinate, alkyl or alkenyl disuccinates, gluconic acids, oxadiacetates, carboxymethyloxysuccinates, tartrate monosuccinate, tartrate disuccinate, tartrate monoacetate, tartrate diacetate and ⁇ -hydroxypropionic acid.
- alkali in particular, anhydrous trisodium citrate or trisodium citrate dihydrate
- alkali metal succinates alkali metal malates
- fatty acid sulfonates oxydisuccinate
- alkyl or alkenyl disuccinates alkyl or alkenyl disuccinates
- gluconic acids oxadiacetates
- carboxymethyloxysuccinates tartrate monosuccinate, tartrate disucc
- phosphonates are, in particular, hydroxyalkane or aminoalkane phosphonates.
- hydroxyalkanophosphonates the 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance as a co-builder. It is preferably used as the sodium salt, the disodium salt neutral and the tetrasodium salt alkaline (pH 9).
- Preferred aminoalkane phosphonates are ethylenediamine tetramethylene phosphonate (EDTMP), diethylene triamine pentamethylene phosphonate (DTPMP) and their higher homologs.
- the builder used here is preferably HEDP from the class of phosphonates.
- the aminoalkane phosphonates also have a pronounced shear metal binder deficiency. Accordingly, in particular if the agents also contain bleach, it may be preferable to use aminoalkanephosphonates, in particular DTPMP, or to use mixtures of the phosphonates mentioned.
- silicates can be used as builders. Contain may be crystalline layered silicates having the general formula NaMSi x O 2x + i y H 2 O, where M is sodium or hydrogen, x is a number from 1, 9 to 22, preferably from 1, 9 to 4, with particularly preferred values for x 2, 3 or 4 and y is a number from 0 to 33, preferably 0 to 20.
- amorphous sodium silicates with a SiO 2: Na 2 O ratio of 1 to 3.5, preferably from 1, 6 to 3 and in particular from 2 to 2.8 can be used.
- builders and / or co-builders (c) in connection with the rinsing agent composition according to the invention can be used carbonates and bicarbonates, among which the alkali metal salts, in particular sodium salts, are preferred.
- co-builders homopolymers and copolymers of acrylic acid or of methacrylic acid, which preferably have a weight-average molar mass of from 2,000 to 50,000 g / mol.
- Suitable comonomers are in particular monoethylenically unsaturated dicarboxylic acids such as maleic acid, fumaric acid and itaconic acid and their anhydrides such as maleic anhydride.
- sulfonic acid-containing comonomers such as 2-acrylamido-2-methylpropanesulfonic acid, allylsulfonic acid and vinylsulfonic acid.
- Hydrophobic comonomers are also suitable, for example isobutene, diisobutene, styrene, alpha-olefins having 10 or more carbon atoms.
- Hydrophilic monomers having hydroxy functionality or alkylene oxide groups can also be used as comonomers. Examples which may be mentioned are: allyl alcohol and isoprenol and their alkoxylates and methoxypolyethylene glycol (meth) acrylate.
- Preferred amounts for builder and / or co-builder in connection with the inventive detergent composition is 5 to 80% by weight, more preferably 10 to 75% by weight, 15 to 70% by weight or 15 to 65% by weight.
- nonionic surfactants (d) in connection with the rinse aid composition according to the invention it is possible to use, for example, weakly or low foaming nonionic surfactants. These may be present in proportions of from 0.1 to 20% by weight, preferably from 0.1 to 15% by weight, more preferably from 0.25 to 10% by weight, or from 0.5 to 10% by weight.
- Suitable nonionic surfactants include, inter alia, surfactants of the general formula (I)
- R 2 and R 3 are independently hydrogen or a linear or branched alkyl radical having 1 to 10 C atoms or H, wherein R 2 is preferably methyl, and
- a and b are independently 0 to 300.
- surfactants of the formula (II) are also suitable for the purposes of the present invention.
- R 4 - [CH 2 CH (CH 3) O] c [CH 2 CH 2 O] d [CH 2 CH (CH 3) O] e CH 2 CH (OH) R 5 (II) wherein R 4 is a linear or branched aliphatic hydrocarbon radical of 4 to 22 Carbon atoms or mixtures thereof,
- R 5 denotes a linear or branched hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof
- c and e are values between 0 and 40, and
- d is a value of at least 15. Also suitable for the purposes of the present invention are surfactants of the formula (III)
- R 6 O- (CH 2 CHR 7 O) f (CH 2 CH 2 O) g (CH 2 CHR 8 O) h CO-R 9 (III) wherein R 6 is a branched or unbranched alkyl radical of 8 to 16 carbon atoms, R 7 , R 8 are independently H or a branched or unbranched alkyl radical having 1 to 5 carbon atoms,
- R 9 is an unbranched alkyl radical having 5 to 17 carbon atoms
- f, h are independently a number from 1 to 5
- g is a number from 13 to 35.
- the surfactants of formulas (I), (II) and (III) may be both random copolymers and block copolymers, preferably as block copolymers.
- di- and multi-block copolymers composed of ethylene oxide and propylene oxide are used, the examples game, under the name Pluronic ® (BASF SE) or Tetronic ® (BASF Corporation) are commercially available.
- Pluronic ® BASF SE
- Tetronic ® BASF Corporation
- reaction products of sorbitan esters with ethylene oxide and / or propylene oxide can be used.
- amine oxides or Alkylglycosides An overview of suitable nonionic surfactants are disclosed in EP-A 851 023 and in DE-A 198 19 187.
- inventive detergent compositions may further contain anionic or zwitterionic surfactants, preferably in admixture with nonionic surfactants. Suitable anionic and zwitterionic surfactants are also mentioned in EP-A 851 023 and DE-A 198 19 187.
- bleaching agents and bleach activators representatives known to the person skilled in the art can be used in connection with the dishwashing detergent compositions according to the invention.
- Bleaching agents are subdivided into oxygen bleaching agents and chlorine-containing bleaching agents. Use as oxygen bleach find alkali metal perborates and their hydrates and alkali metal per- carbonate.
- Preferred bleaching agents here are sodium perborate in the form of the mono- or tetrahydrate, sodium percarbonate or the hydrates of sodium percarbonate.
- oxygen bleaching agents are persulfates and hydrogen peroxide.
- Typical oxygen bleaches are also organic peracids such as perbenzoic acid, peroxy-alpha-naphthoic acid, peroxylauric acid, peroxystearic acid, phthalimidoperoxycaproic acid, 1,12-diperoxydodecanedioic acid, 1,9-diperoxyazelaic acid, diperoxoisophthalic acid or 2-decyldiperoxybutane-1,4-diacid.
- the following oxygen bleaching agents can also be used in the detergent composition: Cationic peroxyacids described in patent applications US Pat. Nos. 5,422,028, 5,294,362 and 5,292,447, and sulfonyl peroxyacids described in US Pat. No. 5,039,447.
- Oxygen bleaching agents can be used in amounts of generally from 0.1 to 30% by weight, preferably from 1 to 20% by weight, particularly preferably from 3 to 15% by weight, based on the total detergent composition.
- Chlorine-containing bleaching agents and the combination of chlorine-containing bleaching agents with peroxide-containing bleaching agents can also be used in connection with the dishwashing detergent compositions according to the invention.
- Known chlorine-containing bleaching agents are for example 1, 3-dichloro-5,5-dimethylhydantoin, N-Chlorosulfamid, chloramine T, dichloramine T, chloramine B, ⁇ , ⁇ '-Dichlorbenzoylharnstoff, p-Toluolsulfondichloroamid or Trichlorethylamin.
- chlorine-containing bleaching agents are sodium hypochlorite, calcium hypochlorite, potassium hypochlorite, magnesium hypochlorite, potassium dichloroisocyanurate or sodium dichloroisocyanurate.
- Chlorine-containing bleaches may in this context in amounts of from 0.1 to 30% by weight, preferably from 0.1 to 20% by weight, preferably from 0.2 to 10% by weight, particularly preferably from 0.3 to 8% by weight, based the entire detergent composition are used.
- bleach stabilizers such as phosphonates, borates, metaborates, metasilicates or magnesium salts can be added in small amounts.
- bleach activators may be compounds which, under perhydrolysis conditions, give aliphatic peroxycarboxylic acids having preferably 1 to 10 carbon atoms, in particular 2 to 4 carbon atoms, and / or substituted perbenzoic acid.
- compounds containing one or more N- or O-acyl groups and / or optionally substituted benzoyl groups are suitable.
- substances from the class of anhydrides, esters, imides, acylated imidazoles or oximes are suitable.
- TAED tetraacetylethylenediamine
- TAMD tetraacetylmethylenediamine
- TAGU tetraacetylglycoluril
- TAHD tetraacetylhexylenediamine
- N-acylimides such as N-nonanoylsuccinimide (NOSI)
- acylated phenolsulfonates such as n-nonanoyl or isononanoyloxybenzenesulfonates (n- or n-nonanoyl) iso-NOBS
- PAG pentaacetylglucose
- DADHT 1,5-diacetyl-2,2-dioxohexahydro-1,3,5-triazine
- ISA isatoic anhydride
- bleach activators are nitrile quats such as, for example, N-methyl-morpholinium-acetonitrile salts (MMA salts) or trimethylammonium acetonitrile salts (TMAQ salts).
- Bleach activators are preferably suitable from the group consisting of polyacylated alkylenediamines, particularly preferably TAED, N-acylimides, particularly preferably NOSI, acylated phenolsulfonates, particularly preferably n- or iso-NOBS, MMA, and TMAQ.
- Bleach activators may be used in the context of the present invention in amounts of from 0.1 to 30% by weight, preferably from 0.1 to 10% by weight, preferably from 1 to 9% by weight, particularly preferably from 1 to 5% by weight, based on the entire detergent composition can be used.
- bleach catalysts can also be incorporated into rinse aid particles.
- These substances are bleach-enhancing transition metal salts or transition metal complexes such as manganese, iron, cobalt, ruthenium or molybdenum-salene complexes or carbonyl complexes.
- Manganese, iron, cobalt, ruthenium, molybdenum, titanium, vanadium and copper complexes with nitrogen-containing tripod ligands and cobalt, iron, copper and ruthenium-amine complexes can also be used as bleach catalysts.
- the rinse-aid compositions according to the invention may contain from 0 to 8% by weight of enzymes. If the detergent compositions contain enzymes, they preferably contain them in amounts of from 0.1 to 8% by weight. Enzyme may be added to the rinse to enhance cleaning performance or to maintain cleaning performance of equal quality under milder conditions (e.g., at low temperatures).
- the enzymes can be used in free or on a carrier chemically or physically immobilized form or in encapsulated form.
- lipases amylases, cellulases and proteases.
- esterases, pectinases, lactases and peroxidases can be used.
- amylases and proteases are preferably used.
- additives (g) in connection with the rinse aid compositions according to the invention for example anionic or zwitterionic surfactants, alkali carriers, polymeric dispersants, corrosion inhibitors, defoamers, dyes, fragrances, fillers, tablet detonation agents, organic solvents, tableting aids, disintegrating agents, thickeners, solubilizers, or water are used.
- anionic or zwitterionic surfactants for example anionic or zwitterionic surfactants, alkali carriers, polymeric dispersants, corrosion inhibitors, defoamers, dyes, fragrances, fillers, tablet detonation agents, organic solvents, tableting aids, disintegrating agents, thickeners, solubilizers, or water are used.
- alkali carriers for example, in addition to the ammonium or alkali metal carbonates already mentioned in the case of the builder substances, ammonium or alkali metal hydrogencarbonates and ammonium or alkali metal sesquicarbonates, it is also possible to use ammonium or alkali metal hydroxides, ammonium or alkali metal silicates and ammonium or alkali metal silicates and mixtures of the aforementioned substances are used.
- silver protectants from the group of triazoles, benzotriazoles, bisbenzotriazoles, aminotriazoles, alkylaminotriazoles and transition metal salts or complexes can be used.
- Glass corrosion inhibitors are preferably used to prevent glass corrosion, which is manifested by clouding, iridescence, streaks and lines on the glasses.
- Preferred glass corrosion inhibitors are, for example, magnesium-zinc and bismuth salts and complexes.
- Paraffin oils and silicone oils can be used according to the invention optionally as defoamers and for the protection of plastic and metal surfaces. Defoamers are preferably used in proportions of 0.001% by weight to 5% by weight. In addition, dyes such as patent blue, preservatives such as Kathon CG, perfumes and other perfumes may be added to the cleaning formulation of the invention.
- a suitable filler in connection with the detergent compositions according to the invention is, for example, sodium sulfate.
- the detergent composition according to the invention is phosphate-free.
- phosphate-free also encompasses those detergent compositions which essentially contain no phosphate, ie phosphate in industrially ineffective amounts, in particular compositions with less than 1.0% by weight, preferably less than 0.5% by weight. Phosphate based on the total composition.
- Polymer 1 polycondensate of L-aspartic acid / BTC 1, 0: 0.1
- Polymer 1 b polycondensate of L-aspartic acid / BTC 1, 0: 0.1 in the presence of 5 mol%
- Polymer 2 polycondensate of L-aspartic acid / BTC 1, 0: 0.2
- Polymer 3 polycondensate of L-aspartic acid / citric acid 1, 0: 0.5
- Polymer 4 polycondensate of L-aspartic acid / glycine 1, 0: 0.1
- Polymer 5 polycondensate of L-aspartic acid / glutamic acid 1, 0: 0.1
- Polymer V1 polyaspartic acid, Na salt, Mw 3000 g / mol
- Polymer V2 polyaspartic acid, Na salt, Mw 5400 g / mol
- the weight-average molecular weight (Mw) of the modified polyaspartic acid was 2600 g / mol.
- Example 2 Analogously to Example 1, 133.10 g of L-aspartic acid, 30.00 g of water and 14.71 g of L-glutamic acid were introduced into the reactor and polycondensed at 220 ° C. for 7.5 h. The resulting melt of the modified polyaspartimide was cooled, comminuted and hydrolyzed as described in Example 1 to an aqueous sodium salt solution of the modified polyaspartic acid. The weight-average molecular weight (Mw) of the modified polyaspartic acid was 3810 g / mol.
- Mw weight-average molecular weight
- Polymer V2 (polyaspartic acid T):
- Example 2 In a rotary evaporator 133.10 g of L-aspartic acid were polycondensed for 2 h at a temperature of 220-240 ° C. The resulting polyaspartimide was hydrolyzed as described in Example 1 to an aqueous polyaspartic acid sodium salt solution. The weight-average molecular weight (Mw) was 5400 g / mol.
- Mw weight-average molecular weight
- the weight-average molecular weight (Mw) of the examples was determined by GPC (gel permeation chromatography) under the following conditions:
- test formulation PF1 The polymers were tested in the following phosphate-free test formulation PF1.
- the composition of the test formulation PF1 is given in Table 1 (in% by weight).
- Table 1 Test formulation PF1
- Dishwashing detergent 18 g
- ballast dirt 50 g ballast dirt is thawed with the formulation dosed after pre-rinsing, for composition see below
- Rinsing cycles 15; between each 1 h break (10 min closed door, 50 min open door)
- Starch 0.5% potato starch, 2.5% gravy
- the formulations with modified polyaspartic acid according to the invention were distinguished, in particular, by their very high deposit-inhibiting action against inorganic and organic deposits on glass and knives. Furthermore, they increased the cleaning power of the dishwashing detergent and favored the drainage of the water from the dishes, so that particularly clear glasses and shiny metal cutlery were obtained.
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Abstract
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Priority Applications (10)
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PL14758978T PL3047003T3 (pl) | 2013-09-16 | 2014-09-05 | Zastosowanie zmodyfikowanych kwasów poliasparaginowych w środkach do zmywania |
ES14758978T ES2851207T3 (es) | 2013-09-16 | 2014-09-05 | Uso de ácidos poliaspárticos modificados en detergentes |
KR1020167010011A KR20160055917A (ko) | 2013-09-16 | 2014-09-05 | 식기세척 세제에서의 개질된 폴리아스파르트산의 용도 |
US15/022,017 US9796951B2 (en) | 2013-09-16 | 2014-09-05 | Use of modified polyaspartic acids in dishwashing detergents |
CN201480050785.1A CN105555931B (zh) | 2013-09-16 | 2014-09-05 | 改性聚天冬氨酸在洗碗洗涤剂中的用途 |
EP14758978.2A EP3047003B1 (de) | 2013-09-16 | 2014-09-05 | Verwendung modifizierter polyasparaginsäuren in spülmitteln |
JP2016541890A JP2016536430A (ja) | 2013-09-16 | 2014-09-05 | 食器洗浄用洗剤での変性ポリアスパラギン酸の使用方法 |
RU2016114687A RU2665581C2 (ru) | 2013-09-16 | 2014-09-05 | Применение модифицированных полиаспарагиновых кислот в средствах для мытья посуды |
MX2016003438A MX2016003438A (es) | 2013-09-16 | 2014-09-05 | Uso de ácidos poliaspárticos modificados en detergentes. |
CA2923744A CA2923744A1 (en) | 2013-09-16 | 2014-09-05 | Use of modified polyaspartic acids in dishwashing detergents |
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CN (1) | CN105555931B (de) |
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Cited By (3)
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WO2017042112A1 (de) * | 2015-09-08 | 2017-03-16 | Basf Se | Verfahren zur herstellung von polyasparaginsäure unter rückflusskühlung |
EP3205393A1 (de) | 2016-02-12 | 2017-08-16 | Basf Se | Verfahren zur herstellung von mikrokapseln |
WO2019211231A1 (en) | 2018-05-02 | 2019-11-07 | Basf Se | Dishwashing detergent formulations comprising polyaspartic acid and graft polymers based on oligo- and polysaccharides as film inhibiting additives |
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US10538623B2 (en) | 2014-12-12 | 2020-01-21 | Basf Se | Method for producing polyaspartic acid by means of a precondensate |
FR3095132B1 (fr) | 2019-04-19 | 2021-05-07 | Exel Ind | Applicateur de produit de revêtement, installation d’application comprenant un tel applicateur et procédé d’application au moyen d’un tel applicateur |
JP2023525544A (ja) | 2020-05-12 | 2023-06-16 | ビーエーエスエフ ソシエタス・ヨーロピア | 分散剤としてのリジンのカルボキシメチル化ポリマーの使用及びそれを含む組成物 |
WO2022178075A1 (en) | 2021-02-19 | 2022-08-25 | Nutrition & Biosciences USA 4, Inc. | Oxidized polysaccharide derivatives |
WO2022235655A1 (en) | 2021-05-04 | 2022-11-10 | Nutrition & Biosciences USA 4, Inc. | Compositions comprising insoluble alpha-glucan |
CN117616054A (zh) | 2021-07-13 | 2024-02-27 | 营养与生物科学美国4公司 | 阳离子葡聚糖酯衍生物 |
WO2023114942A1 (en) | 2021-12-16 | 2023-06-22 | Nutrition & Biosciences USA 4, Inc. | Compositions comprising cationic alpha-glucan ethers in aqueous polar organic solvents |
WO2024015769A1 (en) | 2022-07-11 | 2024-01-18 | Nutrition & Biosciences USA 4, Inc. | Amphiphilic glucan ester derivatives |
WO2024081773A1 (en) | 2022-10-14 | 2024-04-18 | Nutrition & Biosciences USA 4, Inc. | Compositions comprising water, cationic alpha-1,6-glucan ether and organic solvent |
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Cited By (8)
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WO2017042112A1 (de) * | 2015-09-08 | 2017-03-16 | Basf Se | Verfahren zur herstellung von polyasparaginsäure unter rückflusskühlung |
JP2018527444A (ja) * | 2015-09-08 | 2018-09-20 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 還流冷却下でポリアスパラギン酸を生成させるための方法 |
US10370620B2 (en) | 2015-09-08 | 2019-08-06 | Basf Se | Method for producing polyaspartic acid under reflux cooling |
RU2738834C2 (ru) * | 2015-09-08 | 2020-12-17 | Басф Се | Способ получения полиаспарагиновой кислоты при охлаждении обратным холодильником |
EP3205393A1 (de) | 2016-02-12 | 2017-08-16 | Basf Se | Verfahren zur herstellung von mikrokapseln |
WO2017137293A1 (en) | 2016-02-12 | 2017-08-17 | Basf Se | Process for preparation of microcapsules |
WO2019211231A1 (en) | 2018-05-02 | 2019-11-07 | Basf Se | Dishwashing detergent formulations comprising polyaspartic acid and graft polymers based on oligo- and polysaccharides as film inhibiting additives |
US11840680B2 (en) | 2018-05-02 | 2023-12-12 | Basf Se | Dishwashing detergent formulations comprising polyaspartic acid and graft polymers based on oligo- and polysaccharides as film inhibiting additives |
Also Published As
Publication number | Publication date |
---|---|
MX2016003438A (es) | 2016-07-21 |
RU2016114687A3 (de) | 2018-03-22 |
KR20160055917A (ko) | 2016-05-18 |
JP2016536430A (ja) | 2016-11-24 |
ES2851207T3 (es) | 2021-09-03 |
US9796951B2 (en) | 2017-10-24 |
CA2923744A1 (en) | 2015-03-19 |
US20160222322A1 (en) | 2016-08-04 |
EP3047003A1 (de) | 2016-07-27 |
RU2665581C2 (ru) | 2018-08-31 |
RU2016114687A (ru) | 2017-10-23 |
PL3047003T3 (pl) | 2021-05-04 |
CN105555931B (zh) | 2018-11-16 |
EP3047003B1 (de) | 2020-11-11 |
CN105555931A (zh) | 2016-05-04 |
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