摘要:
The use of terpolymers, obtainable by free radical copolymerization of (a) at least one anhydride of a C3-C10-dicarboxylic acid, (b) at least one 1,1-di-(C1-C3-alkyl)-substituted C4-C8-olefin, (c) polyisobutene having an average molecular weight Mn in the range of from 200 to 10 000 g/mol and, if appropriate hydrolysis, for the preparation of aqueous emulsions or dispersions of hydrophobic substances with the use of not more than 2% by weight of further emulsifier, based on the total aqueous emulsion or dispersion.
摘要翻译:通过(a)至少一种C 3 -C 10 -C 10 - 二羧酸的酸酐的自由基共聚获得的三元共聚物的使用,(b)至少一种1 ,1-二 - (C 1 -C 3 - 烷基) - 取代的C 4 -C 8 - 烯烃,(c)平均分子量M N n N 2的聚异丁烯在200至10000g / mol范围内,如果适用水解,则用于制备疏水性物质的水性乳液或分散体与 使用不超过2重量%的其他乳化剂,基于总水乳液或分散体。
摘要:
Fibrous substrates are treated with (a) at least one oligomer of branched or straight-chain C3-C10-alkene having an average molecular weight Mn of up to 1200 g/mol, (b) at least one emulsifier which is obtainable by copolymerization of (A) at least one ethylenically unsaturated dicarboxylic anhydride, derived from at least one dicarboxylic acid of 4 to 8 carbon atoms, (B) at least one oligomer of branched or straight-chain C3-C10-alkene, at least one oligomer having an average molecular weight Mn of up to 1200 g/mol, (C) at least one α-olefin of up to 16 carbon atoms and (D) optionally at least one ethylenically unsaturated comonomer, and optionally reaction with (E) at least one compound of the formula I a, I b, I c or I d and, if appropriate, subsequent contact with water, where, in formulae I a to I d, A1 are identical or different C2-C20-alkylene, R1 is linear or branched C1-C30-alkyl, phenyl or hydrogen, and n is an integer from 1 to 200.
摘要:
The present invention relates to the use of copolymers obtainable by copolymerization of at least one ethylenically unsaturated dicarboxylic acid anhydride derived from at least one dicarboxylic acid having 4 to 8 carbon atoms and at least one oligomer of branched or unbranched C3-C10-alkene, where at least one oligomer has an average molecular weight Mn in the range from 300 to 5000 g/mol, preferably up to 1200 g/mol or is obtainable by oligomerization of at least 3 equivalents of C3-C10-alkene, in cosmetic compositions.
摘要:
The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.
摘要:
Aqueous dispersions of copolymers are obtainable by free radical copolymerization of (A) at least one ethylenically unsaturated dicarboxylic anhydride, derived from at least one dicarboxylic acid of 4 to 8 carbon atoms, (B) at least one oligomer of branched or straight-chain C3-C10-alkene, at least one oligomer having an average molecular weight Mn of from 300 to 5 000 g/mol or being obtainable by oligomerization of at least 3 equivalents of C3-C10-alkene, (C) optionally at least one ethylenically unsaturated comonomer differing from (A), and optionally reaction with (D) at least one compound of the formula I a or I b and subsequent addition of water, where, in formulae I a and I b, A1 are identical or different C2-C20-alkylene, R1 is linear or branched C1-C30-alkyl, phenyl or hydrogen, and n is an integer from 1 to 200, the water content being from 30 to 99.5% by weight, based on aqueous dispersion.
摘要:
Graft copolymers which contain at least one monoethylenically unsaturated monomer comprising at least one nitrogen-containing heterocycle are used as assistants for leather production.
摘要:
The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphonic acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.
摘要:
A process for passivating a metallic surface by treating it with an acidic aqueous preparation comprising at least one itaconic acid homo- or copolymer. Passivating layers and metallic surfaces obtainable by means of the process.
摘要:
A mixture comprising a surfactant and a cosurfactant is proposed wherein the cosurfactant used is an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, where the side chains differ from one another and/or the side chains differ from the backbone in their amphiphilic character.
摘要:
The present invention relates to a passivating layer on a metal surface, obtainable by contacting the metal surface with a composition comprising a water-soluble nitrogenous polymer, to a surface composed of a metal surface and the passivating layer of the invention, to a process for forming a passivating layer on a metal surface, to the use of a composition comprising a water-soluble nitrogenous polymer to passivate a metal surface, and to a system on a metal surface that comprises a passivating layer of the invention and further coating films.