摘要:
Glycine-N,N-diacetic acid derivatives and their alkali metal, alkaline earth metal, ammonium and substituted ammonium salts are used as complexing agents for alkaline earth metal and heavy metal ions with the exception of .alpha.-alanine-N,N-diacetic acid as textile detergent builders in powder detergent formulations and as calcium sequestrants in oral hygiene products.
摘要:
Glycine-N,N-diacetic acid derivatives and their alkali metal, alkaline earth metal, ammonium and substituted ammonium salts are used as complexing agents for alkaline earth metal and heavy metal ions with the exception of .alpha.-alanine-N,N-diacetic acid as textile detergent builders in powder detergent formulations and as calcium sequestrants in oral hygiene products.
摘要:
Disclosed is the use of glycine-N,N-diacetic acid derivatives as their alkali metal, alkaline earth metal, ammonium and substituted ammonium salts as complexing agents for alkaline earth and heavy metal ions, except with .alpha.-alanine-N,N-diacetic acid, as textile detergent builders in powdered detergent formulations and as calcium sequestering agents in oral hygiene products.
摘要:
Hydroxamic acids and hydroxamic acid ethers I and II ##STR1## where Z.sup.1 and Z.sup.2 are --NH --OY, --NR.sup.1 --OY or --OX, where in the case of (I) at least one of Z.sup.1 or Z.sup.2, and in the case of (II) Z.sup.1 is --NH --OY or --NR.sup.1 --OY, and R.sup.1 is C.sub.1 -C.sub.18 -alkyl, X is hydrogen, alkali metal, ammonium or substituted ammonium, and Y is hydrogen, alkali metal, ammonium, substituted ammonium or C.sub.1 -C.sub.18 -alkyl, and L is a C.sub.1 -C.sub.100 linker which can also carry oxygen and nitrogen functional groups, with the exception of N,N-bis(carboxymethyl)-2-aminoacetohydroxamic acid.
摘要:
Modified polyaspartic acids useful as detergent and cleaner additives, as water treatment agents and as scale inhibitors in the evaporation of sugar juice are obtainable by polycondensation of (a) from 1 to 99.9 mol % of aspartic acid with (b) from 99 to 0.1 mol % of fatty acids, polybasic carboxylic acids, anhydrides of polybasic carboxylic acids, polybasic hydroxycarboxylic acids, monobasic polyhydroxycarboxylic acids, alcohols, amines, alkoxylated alcohols and amines, amino sugars, carbohydrates, sugarcarboxylic acids and/or non-proteinogenic aminocarboxylic acids or by polymerizing monoethylenically unsaturated monomers in the presence of polyaspartic acids in the manner of a free-radically initiated graft polymerization.
摘要:
Process for the preparation of products of the reaction of polyaspartimides and amino acids by reaction of amino acids with polyaspartimides in aqueous medium at pH values at which at least 5% of the amino groups in the amino acids are in non-protonated form in equilibrium with the protonated form, and use of the reaction products obtainable in this way and of products of the reaction of polyaspartimides with alkanolamines or aminated C.sub.1 -C.sub.30 -fatty alcohol alkoxylates which contain as copolymerized units up to 50 mol % of ethylene oxide and/or propylene oxide per mol of fatty alcohol, as additive to detergents and cleaners, as scale inhibitor and as dispersant.
摘要:
Polycocondensates based on aspartic acid which are obtainable by condensing aspartic acid in the presence of polymers containing carboxyl groups, which contain at least 10 mol % of a monoethylenically unsaturated carboxylic acid in copolymerized form and have a molecular weight of at least 300, in the weight ratio from 1,000:1 to 2:1, processes for preparing the polycocondensates and use of the polycocondensates in the form of the free acid groups or in a form neutralized with ammonia, amines, alkali metal or alkaline earth metal bases as an additive to detergents and cleaners, as scale inhibitors or as dispersants for finely divided solids are described.
摘要:
Process for the preparation of polymers of aspartic acid by reacting (a) maleic anhydride and (b) ammonia and/or primary or secondary amines without diluent in the (a):(b) molar ratio of 1:0.1 to 1:3 to give monoamides of maleic acid, fumaric acid or their ammonium salts at up to 100.degree. C. and subsequent condensation of the reaction products, with or without compounds capable of cocondensation, at above 100.degree. C. and, where appropriate, hydrolysis of the condensates and use of the polymers as scale inhibitor, as dispersants for pigments and as additive to detergents and cleaners.
摘要:
Alkyl (poly)glucoside ether carboxylates of the formula ##STR1## where R is C.sub.1 - to C.sub.24 -alkyl, C.sub.1 - to C.sub.24 -alkylphenyl, hydroxy-C.sub.2 - to C.sub.6 -alkyl, hydroxy-C.sub.1 - to C.sub.24 -alkylphenyl, ##STR2## or H, R.sup.1 is H or methyl,R.sup.2 is ##STR3## X is a hydrogen, alkali metal, ammonium and/or substituted ammonium equivalent,x is from 1 to 10, y is from 0 to 10, z is from 1 to 4,a process for the preparation of the compounds of the formula I and the use of these compounds as an additive to phosphate-free and low-phosphate detergents, are described.
摘要:
Glycerol aminocarboxylates of the formula ##STR1## where n is from 0 to 10 andR is ##STR2## where L is iminodiacetate, aspartate, glutamate, sarcosinate, glycinate, serinate, hydroxyaspartate, ethanolaminoacetate, diethanolamino, alanate or taurinate andX is hydrogen, an alkali metal, ammonium or substituted ammonium,are prepared by esterifying glycerol or polyglycerols which contain up to 10 glycerol units with maleic anhydride or itaconic anhydride and addition of compound L-H where L is as defined above to the double bonds of the esters, and are used as complexing agents.