摘要:
Perfume polymeric particles, polymeric particles having affinities for certain perfume raw materials, compositions containing them and methods for making the same are provided.
摘要:
A cleaning implement comprises a modified open-cell foam with a density in the range from about 5 to about 1,000 kg/m3 and with an average pore diameter in the range from about 1 μm to about 1 mm, comprising an amount in the range from about 1 to about 2,500% by weight, based on the weight of the unmodified open-cell foam, of at least about one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes, with the proviso that styrene-acrylonitrile-C1-C10-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excluded.
摘要:
Condensation products that contain N,O-acetal or carboxamide structures and are useful as detergent and cleaner additives are obtainable by condensation of(a) compounds that contain at least one unit of the structural elements ##STR1## where X is OH or NHR and R is C.sub.1 -C.sub.6 -alkyl or --CH.sub.2 --COOH, with(b) aldehydes, ketones or aldehyde- or keto-carboxylic acids to form acetal-lactones, and subsequent cleavage of the acetal-lactones with(c) aminocarboxylic acids, primary or secondary amines and/or polyethyleneimines.
摘要:
Polyacetals useful as detergent additives contain units of the formula ##STR1## where R is hydrogen, C.sub.1 -C.sub.4 -alkyl or COOM,M is C.sub.1 -C.sub.4 -alkyl or an alkali metal, ammonium or alkanolamine group, andm is from 0 to 9,have K values (determined by the method of H. Fikentscher on the sodium salt in 1% strength by weight aqueous solution at 25.degree. C. and pH 7) of at least 8.5, and are prepared by polymerizing compounds of the formula ##STR2## where R is hydrogen, C.sub.1 -C.sub.4 -alkyl or COOM,M is C.sub.1 -C.sub.4 -alkyl or an alkali metal, ammonium or alkanolamine group,R.sup.2 is C.sub.1 -C.sub.4 -alkyl, andm is from 0 to 9,in the presence of initiators and optionally comonomers with or without hydrolysis of the ester groups.
摘要:
An olefinically unsaturated compound, in particular a very pure cis-isomer of an alkenylhydroxy compound of the formulaCH.sub.3 (CH.sub.2).sub.m --CH.dbd.CH--(CH.sub.2).sub.n --OR (I),where R is hydrogen or a protective group which can virtually be eliminated, m is from 1 to 12 and n is from 1 to 10, is obtained by catalytic partial hydrogenation of the corresponding acetylene derivative over a supported catalyst which contains from 0.05 to 5% by weight of palladium and from 0.05 to 15% by weight of zinc and/or cadmium.
摘要:
Modified open-cell aminoplastic foams with a density in the range from 5 to 1,000 kg/m3 and with an average pore diameter in the range from 1 μm to 1 mm, comprising an amount in the range from 1 to 2,500% by weight, based on the weight of the un-modified open-cell foam, of at least one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes with the proviso that styrene-acrylonitrile-C1-C10-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excluded
摘要:
Modified open-cell foams and method for the production thereofProcess for production of modified open-cell foams, which comprises bringing the following materials into contact (a) open-cell foams with density in the range from 5 to 500 kg/m3 and average pore diameter in the range from 1 μm to 1 mm, and (b) aqueous formulation of at least one compound having at least one hemiaminal or aminal group per molecule, or at least one copolymer comprising at least one copolymerized OH-containing or β-dicarbonyl-containing or epoxy-containing comonomer.
摘要翻译:改性开孔泡沫及其制备方法生产改性开孔泡沫的方法,其包括使以下材料接触(a)密度为5至500kg / m 2的开孔泡沫 > 3和平均孔径在1μm至1mm的范围内,和(b)每分子具有至少一个半缩醛基或亚胺基的至少一种化合物的水性制剂,或至少一种共聚物,至少包含 一种共聚的含OH或含二羰基或含环氧基的共聚单体。
摘要:
Process for preparing polycondensates of citric acid and/or isocitric acid, by converting(a) citric acid, isocitric acid or mixtures thereof in an organic solvent in the presence of a water-withdrawing agent at least partially into the anhydride form and then condensing the reaction mixture, if desired after addition of two cocondensable compounds selected from the group consisting of(b) other hydroxycarboxylic acids and/or(c) amino acids, alcohols, amines and/or at least dibasic carboxylic acids other than carboxylic acids (a) and (b), at temperatures of at least 80.degree. C. to form polycarboxylates which have an average molecular weight of at least 500, polycondensates of citric acid and/or isocitric acid obtainable thereby, anduse of said polycondensates as ingredients in phosphate-free and reduced-phosphate detergents and cleaners, and also detergents and cleaners which contain at least one surfactant and optionally builders and other customary constituents with from 0.1 to 30% by weight of an abovementioned polyestercarboxylate.
摘要:
Reaction products of polybasic acids and amino-containing compounds, which are obtainable by heating a mixture of (a) a polybasic carboxylic acid selected from the group consisting of citric acid, isocitric acid, aconitic acid, itaconic acid and/or tartaric acid and (b) an amino-containing compound in a molar ratio of (a) to (b) of from 1:0.1 to 1:10 to at least 80.degree. C. are used as additives in low-phosphate and phosphate-free detergents and cleaning agents.
摘要:
Copolymers comprisingfrom 75 to 92% by weight of ethylene andfrom 8 to 25% by weight of vinyl acetatehave a solidification point of greater than 87.degree. C. and a melt viscosity of greater than 1,200 centistokes.