CN105247034B - 以高浓度含有配位剂的水溶液 - Google Patents
以高浓度含有配位剂的水溶液 Download PDFInfo
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- 239000007864 aqueous solution Substances 0.000 title claims abstract description 68
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 26
- CIEZZGWIJBXOTE-UHFFFAOYSA-N 2-[bis(carboxymethyl)amino]propanoic acid Chemical compound OC(=O)C(C)N(CC(O)=O)CC(O)=O CIEZZGWIJBXOTE-UHFFFAOYSA-N 0.000 claims abstract description 21
- -1 alkali metal salt Chemical class 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 14
- 239000004094 surface-active agent Substances 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 5
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims 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 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims 1
- 239000001630 malic acid Substances 0.000 claims 1
- 235000011090 malic acid Nutrition 0.000 claims 1
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 abstract description 7
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical compound CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 abstract description 7
- 235000013922 glutamic acid Nutrition 0.000 abstract description 7
- 239000004220 glutamic acid Substances 0.000 abstract description 7
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 abstract description 4
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 abstract description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000007787 solid Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 150000007529 inorganic bases Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 235000011056 potassium acetate Nutrition 0.000 description 2
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 235000004279 alanine Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/265—Carboxylic acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/3409—Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/264—Aldehydes; Ketones; Acetals or ketals
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- 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
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- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
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- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
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- C11D7/3245—Aminoacids
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- C11D7/22—Organic compounds
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Abstract
水溶液，包含(A)30‑60重量％配位剂，其选自甲基甘氨酸二乙酸的碱金属盐和谷氨酸二乙酸的碱金属盐，(B)1‑25重量％至少一种磺酸盐或有机酸盐，百分数涉及整个相应水溶液。
Description
本发明涉及一种水溶液，包含：
(A)30-60重量％配位剂，其选自甲基甘氨酸二乙酸的碱金属盐和谷氨酸二乙酸的碱金属盐，
(B)1-25重量％至少一种磺酸盐或有机酸盐，
百分数涉及整个相应水溶液，
所述水溶液不含表面活性剂。
配位剂如甲基甘氨酸二乙酸(MGDA)和谷氨酸二乙酸(GLDA)及其相应碱金属盐是碱土金属离子如Ca2+和Mg2+的有用螯合剂。为此，它们被推荐用于各种目的如衣用洗涤剂和自动洗碟(ADW)配制剂，尤其是所谓的无磷酸盐衣用洗涤剂和无磷酸盐ADW配制剂。为了装运该类配位剂，在大多数情况下使用固体如颗粒或水溶液。
颗粒和粉末是有用的，因为装运的水量可以忽略不计，但对于大多数混合和配制方法需要额外的溶解步骤。
许多工业用户希望以尽可能高度浓缩的水溶液获得配位剂。所要求的配位剂浓度越低，则装运的水越多。所述水增添了运输成本并且必须随后除去。尽管MGDA的约40重量％和甚至GLDA的45重量％溶液可以在室温下制备并储存，但局部或临时更冷溶液可能导致相应配位剂沉淀以及因杂质而成核。所述沉淀可能导致在管道和容器中结壳和/或在配制过程中产生杂质或不均匀。
可以尝试通过加入加溶剂，例如溶解度提高性聚合物或表面活性剂来提高配位剂的溶解度。然而，许多用户希望灵活使用其自己的洗涤剂配制剂并且它们希望在配位剂中避免聚合添加剂或表面活性添加剂。
可以考虑可以提高相应配位剂的溶解度的添加剂，但该类添加剂不应不利地影响相应配位剂的性能。
因此，本发明的目的是要提供配位剂如MGDA或GLDA的在0-50℃的温度下在不加入表面活性剂或聚合物下稳定的高度浓缩水溶液。此外，本发明的目的是要提供一种制造配位剂如MGDA或GLDA的在0-50℃的温度下稳定的高度浓缩水溶液的方法。该方法或该水溶液均不要求使用不利地影响相应配位剂的性能的添加剂。
因此，发现了开头所定义的水溶液，下文也称为本发明水溶液。
本发明水溶液含有
(A)30-60重量％配位剂，下文也称为“配位剂(A)”，其选自甲基甘氨酸二乙酸的碱金属盐和谷氨酸二乙酸的碱金属盐，
(B)1-25重量％至少一种磺酸盐或有机酸盐，所述盐下文也称为“盐(B)”，所述水溶液不含表面活性剂，
百分数涉及整个本发明相应水溶液。
配位剂(A)选自甲基甘氨酸二乙酸的碱金属盐和谷氨酸二乙酸的碱金属盐。
在本发明上下文中，甲基甘氨酸二乙酸的碱金属盐选自甲基甘氨酸二乙酸自的锂盐、钾盐和优选钠盐。甲基甘氨酸二乙酸可以部分或优选完全被相应碱金属中和。在优选实施方案中，MGDA的平均2.7-3个COOH基团用碱金属，优选钠中和。在特别优选的实施方案中，配位剂(A)为MGDA的三钠盐。
同样，谷氨酸二乙酸的碱金属盐选自谷氨酸二乙酸的锂盐、钾盐和优选钠盐。谷氨酸二乙酸可以部分或优选完全被相应碱金属中和。在优选实施方案中，GLDA的平均3.5-4个COOH基团用碱金属，优选钠中和。在特别优选的实施方案中，配位剂(A)为GLDA的四钠盐。
在本发明的一个实施方案中，本发明水溶液含有30-60重量％，优选35-50重量％，甚至更优选37-45重量％MGDA的碱金属盐作为配位剂(A)。
在本发明的一个实施方案中，本发明水溶液含有30-60重量％，优选45-58重量％，甚至更优选46-53重量％GDA的碱金属盐作为配位剂(A)。
配位剂(A)可以选自MGDA或GLDA的碱金属盐的外消旋混合物，纯对映体如L-MGDA的碱金属盐、L-GLDA的碱金属盐、D-MGDA的碱金属盐和D-GLDA的碱金属盐，以及对映体富集异构体的混合物。
无论怎样，少量配位剂(A)可以带有碱金属以外的阳离子。因此，可能的是全部配位剂(A)中少量，如0.01-5mol％带有碱土金属阳离子如Mg2+或Ca2+，或Fe+2或Fe3+阳离子。
本发明水溶液进一步包含(B)1-25重量％，优选3-15重量％盐(B)。
在本发明上下文中，盐(B)选自单羧酸和二羧酸的盐。此外，盐(B)因此不同于配位剂(A)。
在本发明的优选实施方案中，盐(B)选自乙酸、酒石酸、乳酸、马来酸、富马酸和苹果酸的碱金属盐。
盐(B)的优选实例是乙酸钾和乙酸钠。
在本发明的一个实施方案中，盐(B)为甲基磺酸的钾盐以及优选甲基磺酸的钠盐。
此外，本发明水溶液含有水。在本发明的一个实施方案中，在本发明水溶液中配位剂(A)和盐(B)以及任选无机碱的余量为水。在其他实施方案中，本发明水溶液可以含有配位剂(A)和盐(B)以及水以外的一种或多种液体或固体。
本发明水溶液不含表面活性剂。在本发明上下文中，“不含表面活性剂”应指表面活性剂的总含量参考配位剂(A)的量为0.1重量％或更低。在优选实施方案中，术语“不含表面活性剂”应包括浓度为50ppm至0.05％，其中ppm和％二者分别是指重量ppm或重量％且参考整个相应水溶液。
在本发明的一个实施方案中，本发明水溶液具有9-14，优选10.5-13的pH值。pH值在环境温度下测定。
本发明水溶液优选不含聚合物。不含聚合物在本发明上下文中应指表面活性剂的总含量参考配位剂(A)的量为0.1重量％或更低。然而，聚乙二醇(C)在本发明上下文中不被认为是聚合物。
在本发明的一个实施方案中，本发明水溶液可以含有至少一种无机碱，例如氢氧化钾或优选氢氧化钠。优选无机碱的量为0.1-20mol％，这涉及配位剂中COOH基团的总和。
在本发明的一个实施方案中，本发明水溶液进一步包含(C)至少一种平均分子量Mn为400-10,000g/mol，优选600-6,000g/mol的聚乙二醇，下文也称为“聚乙二醇(C)”。
在本发明的一个实施方案中，聚乙二醇(C)可以例如每分子被一个甲基封端，即转化成聚醚。在另一实施方案中，聚乙二醇(C)每分子带有两个羟基。
在本发明的一个实施方案中，本发明水溶液可以含有1-20重量％，优选5-15重量％聚乙二醇(C)。
聚乙二醇(C)的平均分子量Mn例如可以通过测定羟值而测定，优选根据DIN53240-1:2012-07测定羟值。
在本发明的其他实施方案中，本发明水溶液不含任何聚乙二醇(C)。
在本发明的一个实施方案中，配位剂(A)可以含有少量源自其合成的杂质，如乳酸、丙氨酸、丙酸等。“少量”就此而言是指参考配位剂(A)总共为0.1-1重量％。
在本发明的一个实施方案中，本发明水溶液可以具有80-500mPa·s，优选至多100mPa·s的运动粘度，根据DIN 53018-1:2008-09在25℃下测定。
在本发明的一个实施方案中，本发明水溶液可以具有的色数根据Hazen为15-400，优选15-360，根据DIN EN 1557:1997-03在25℃下测定。
在本发明的一个实施方案中，本发明水溶液具有31-65重量％，优选至少38重量％的总固体含量。
本发明水溶液呈现极低的具有配位剂(A)或其他固体的固体沉淀物的倾向。因此，它们可以在管道和/或容器中没有任何残留地储存和运输，甚至在接近相应本发明水溶液的凝固点的温度下。
因此，本发明的另一方面是本发明水溶液在管道或容器中运输的用途。在管道或容器中运输在本发明上下文中优选不涉及在其中制造配位剂(A)的装置的各部分，也不涉及构成在其中制造配位剂(A)的相应生产装置的部分的仓储建筑。容器例如可以选自罐、瓶、手推车、集装箱和拖罐车。管道可以具有任何直径，例如5cm-1m，并且它们可以由任何对配位剂(A)的碱性溶液稳定的材料制成。在管道中运输也可以包括构成整个运输系统的一部分的泵。
本发明的另一方面是一种制造本发明水溶液的方法，所述方法也称为本发明方法。本发明方法包括将配位剂(A)的水溶液与盐(B)合并的步骤，所述盐(B)作为固体或以水溶液使用。
在一个实施方案中，所述合并步骤之后可以除去过量水。当配位剂(A)的水溶液具有的浓度小于40重量％，尤其小于35重量％时，尤其在该类实施方案中将除去水作为本发明方法中的措施。
在本发明的一个实施方案中，配位剂(A)的水溶液与盐(B)的合并可以在30-75℃，优选25-50℃的温度下进行。在本发明的另一实施方案中，配位剂(A)的水溶液可以与盐(B)在环境温度或稍微升高的温度，例如21-29℃下合并。
本发明方法可以在任何压力下，例如在500毫巴至25巴的压力下进行。优选常压。
本发明方法可以在任何类型容器中，例如在搅拌釜反应器或具有用于投料盐(B)的装置的管道中或者在烧杯、烧瓶或瓶中进行。
水的除去例如可以借助膜或通过蒸发实现。水的蒸发可以通过在有或无搅拌下在20-65℃的温度下蒸除水而进行。
本发明的另一方面是本发明水溶液在制造洗衣护理或洗碟配制剂中的用途，所述方面也称为本发明用途或本发明应用。本发明的另一方面是一种通过使用至少一种本发明水溶液制造洗衣护理或洗碟配制剂的方法。本发明用途和相应方法包括将至少一种本发明水溶液与用于洗衣护理或洗碟配制剂的至少一种活性成分，例如至少一种表面活性剂混合的步骤并任选随后至少部分除去水。
本发明由下列工作实施例进一步说明。
工作实施例
百分数涉及重量％，除非另有明确指明。
使用下列物质：
配位剂(A.1)：MGDA的三钠盐，作为40重量％水溶液提供，pH值：13盐(B.1)：乙酸钠，固体
盐(B.2)：乙酸钾，固体
I.制造本发明的浓缩水溶液
I.1制造含有(A.1)和(B.1)的水溶液
向具有塑料瓶塞的25ml玻璃瓶中加入22.5g(A.1)的上述40重量％水溶液。将其温热至75℃。在反复振摇下向所述溶液中加入2.5g(B.1)。所得水溶液具有的总固体含量为46重量％。它为清澈溶液且甚至在23℃下30天之后也不显示MGDA的任何结晶或沉淀迹象。
I.2制造含有(A.1)和(B.1)的水溶液
向具有塑料瓶塞的25ml玻璃瓶中加入20g(A.1)的上述40重量％水溶液。将其温热至75℃。在反复振摇下向所述溶液中加入5g(B.1)。所得水溶液具有的总固体含量为52重量％。它为清澈溶液且甚至在23℃下30天之后也不显示MGDA的任何结晶或沉淀迹象。
I.3制造含有(A.1)和(B.2)的水溶液
向具有塑料瓶塞的25ml玻璃瓶中加入22.5g(A.1)的上述40重量％水溶液。将其温热至75℃。在反复振摇下向所述溶液中加入2.5g(B.2)。所得水溶液具有的总固体含量为46重量％。它为清澈溶液且甚至在23℃下30天之后也不显示MGDA的任何结晶或沉淀迹象。
I.4制造含有(A.1)和(B.2)的水溶液
向具有塑料瓶塞的25ml玻璃瓶中加入20g(A.1)的上述40重量％水溶液。将其温热至75℃。在反复振摇下向所述溶液中加入5g(B.2)。所得水溶液具有的总固体含量为52重量％。它为清澈溶液且甚至在23℃下30天之后也不显示MGDA的任何结晶或沉淀迹象。
Claims (7)
1.水溶液，包含：
(A)30-60重量％为甲基甘氨酸二乙酸的碱金属盐的配位剂，
(B)1-25重量％至少一种选自甲基磺酸的碱金属盐或乙酸、酒石酸、乳酸、马来酸、富马酸和苹果酸的碱金属盐，
百分数涉及整个相应水溶液，
所述水溶液不含表面活性剂。
2.根据权利要求1的水溶液，具有的pH值为9-13。
3.根据权利要求1的水溶液，具有的pH值为10.5-13。
4.根据前述权利要求1-3中任一项的水溶液，进一步包含(C)至少一种平均分子量Mn为400-10,000g/mol的聚乙二醇。
5.制备根据前述权利要求中任一项的水溶液的方法，包括将配位剂(A)的水溶液与盐(B)合并的步骤。
6.根据权利要求1-4中任一项的水溶液在制备洗衣护理或洗碟配制剂中的用途。
7.根据权利要求1-4中任一项的水溶液在管道或容器中运输的用途。
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| BR112017010968A2 (pt) | 2014-11-26 | 2018-02-14 | Basf Se | formulação aquosa, processo para preparação de uma solução aquosa, e, uso de soluções aquosas. |
| KR20170128398A (ko) | 2015-03-12 | 2017-11-22 | 바스프 에스이 | 거울상이성질체의 혼합물의 제조 방법, 및 거울상이성질체의 혼합물 |
| BR112018011462A2 (pt) * | 2015-12-08 | 2018-11-27 | Basf Se | ?solução aquosa, processo para preparar uma solução aquosa, e, uso de uma solução aquosa? |
| WO2018197249A1 (en) * | 2017-04-27 | 2018-11-01 | Basf Se | Container comprising a detergent composition containing salts of mgda and glda |
| EP3746535A1 (en) | 2018-01-30 | 2020-12-09 | Eastman Chemical Company | Compositions comprising aminocarboxylate chelating agents |
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| JP2016522857A (ja) | 2016-08-04 |
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| RU2659787C2 (ru) | 2018-07-04 |
| US9850453B2 (en) | 2017-12-26 |
| KR20160012209A (ko) | 2016-02-02 |
| PL3004316T3 (pl) | 2017-09-29 |
| CA2912309A1 (en) | 2014-12-04 |
| BR112015029544A2 (pt) | 2017-07-25 |
| US20160130531A1 (en) | 2016-05-12 |
| CN105247034A (zh) | 2016-01-13 |
| MX2015016424A (es) | 2016-03-03 |
| RU2015155965A (ru) | 2017-07-04 |
| EP3004316B1 (en) | 2017-03-22 |
| ES2628161T3 (es) | 2017-08-01 |
| WO2014191199A1 (en) | 2014-12-04 |
| EP3004316A1 (en) | 2016-04-13 |
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