Abstract:
The invention relates to an aqueous dispersion comprising (A) a copolymer incorporating by polymerization (a) at least one ethylenically unsaturated carboxylic acid or the anhydride thereof, (b) at least one non-ionic ethylenically unsaturated surfactant monomer of the general formula I R1-O-(CH2-CHR2-O)n-CO-C(R3)=CH2 (I) R1-O-(CH2-CHR2-O)n-O-(CH2)mCH=CH2 (II), wherein R1 is substantially unbranched C6-C30-Alkyl, R2 is the same or different and is hydrogen or methyl, R3 is hydrogen or methyl, and n is a whole number in the range from 2 to 100, and m is zero or one, (c) at least one C1-C2-alkylmethacrylate, (d) at least one C2-C4-alkylacrylate, and (B) a colorant.
Abstract:
The invention relates to copolymers containing the following as copolymerised monomers: (A) at least one ethylenically unsaturated mono- or dicarboxylic acid; (B) at least one ethylenically unsaturated compound which has at least one structural unit of general formula I per molecule, the variables being defined as follows: R1 is different or identical and is selected from hydrogen, C1-C30 alkyl, C6-C30 aryl and C7-C30 aralkyl; A1 is different or identical and selected from C2-C10 alkene, C6-C10 arylene and C7-C10 aralkylene, n is different or identical and selected from zero to 200, m is different or identical and selected from 1 to 6; and (C) at least one other comonomer.
Abstract:
The invention relates to water-soluble, hydrophobically associating copolymers containing novel hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with a block structure consisting of a hydrophilic polyalkylene oxide block, which essentially consists of ethylene oxide groups, and of a terminal, hydrophobic polyalkylene oxide block, which consists of alkylene oxides with at least 4 and preferably at least 5 carbon atoms.
Abstract:
The invention relates to the use of polymer particles for the production of photonic crystals, characterized in that the polymer particles have a weight average particle size of more than 600 nm and an ion group content of less than 0.001, preferably of less than 0.0001 mol/1 g of polymer particles and the polymer particles form the lattice structure of the photonic crystal without being embedded in a liquid or solid matrix.
Abstract:
copolímero que se associa hidrofobicamente, solúvel em água, e, uso de copolímeros a invenção diz respeito a copolímeros que se associam hidrofobicamente, solúveis em água que contêm novos monômeros que se associam hidrofobicamente. os monômeros compreendem um grupo etilenicamente insaturado e um grupo de poliéter com uma estrutura de bloco que consiste de um bloco de óxido de polialquileno hidrofílico, que essencialmente consiste de grupos de óxido de etileno e de um bloco de óxido de polialquileno hidrofóbico, terminal, que consiste de óxidos de alquileno com pelo menos 4 e preferivelmente pelo menos 5 átomos de carbono.
Abstract:
The invention relates to a thickener containing i) at least one polymer which can be obtained by the polymerisation of a) at least one water soluble ethylenically unsaturated monomer comprising at least one anionic monomer and/or at least one non ionic monomer b) at least one ethylenically unsaturated associative monomer c) optionally at least one cross linking agent d) optionally at least one chain transfer agent ii) at least one activator the ratio between the activator and the polymer being > 10 100 [wt. % / wt. %].
Abstract:
The invention relates to a thickener containing i) at least one polymer which can be obtained by the polymerisation of a) at least one water-soluble ethylenically unsaturated monomer comprising at least one anionic monomer and/or at least one non-ionic monomer, b) at least one ethylenically unsaturated associative monomer, c) optionally at least one cross-linking agent, d) optionally at least one chain transfer agent, ii) at least one activator, the ratio between the activator and the polymer being > 10 -100 [wt.-% / wt.-%].
Abstract:
Copolímeros hidrosolubles que se asocian de forma hidrófoba, que contienen novedosos monómeros que se asocian de forma hidrófoba. Los monómeros abarcan un grupo etilénicamente insaturado, así como un grupo poliéter con estructura de bloque formado de un bloque de polialquileno hidrófilo, que consta, substancialmente, de grupos de óxido de etileno, y un bloque de óxido de polialquileno hidrófobo terminal, que consta de óxidos de alquileno con por lo menos 4, preferentemente, por lo menos 5 átomos de carbono.