Abstract:
The invention relates to coating masses containing polymers dispersions which can be obtained in a plurality of steps, to a method for the production thereof and use thereof in corrosion protection.
Abstract:
Mezcla acuosa de agentes ligantes, que contiene a) un polímero insoluble en agua en forma de partículas dispersas de polímero con una temperatura de transición vítrea enel rango de -50°C a 50°C obtenible mediante polimerización por radicales libres de monómeros M etilénicamenteinsaturados M, donde los monómeros M incluyen: * 80 a 99,9 % en peso, referido a la cantidad total de monómeros M, de por lo menos un monómero M1 monoetilénicamenteinsaturado neutro poco soluble en agua M1; y * 0,1 a 20 % en peso, referido a la cantidad total del monómeros M, de por lo menos un monómero M2 monoetilénicamenteinsaturado, que porta por lo menos un grupo carboxilo y/o por lo menos un grupo carboxamido (CONH2); y b) ácido bórico y/o por lo menos una sal del ácido bórico.
Abstract:
Composición acuosa de aglutinante, que contiene a) un polímero insoluble en agua P en forma de partículas de polímero dispersadas, que puede obtenerse mediante polimerización de monómeros etilénicamente insaturados M, en donde los monómeros M comprenden: - del 90 al 99,9 % en peso, con respecto a la cantidad total de monómeros M, de al menos un monómero M1 monoetilénicamente insaturado, neutro, poco soluble en agua; y - del 0,1 al 10 % en peso, con respecto a la cantidad total de monómeros M, de al menos un monómero M2 monoetilénicamente insaturado, que se selecciona entre monómeros monoetilénicamente insaturados, que presentan al menos dos grupos hidroxilo unidos a átomos de C vecinales, y monómeros monoetilénicamente insaturados, que portan un grupo funcional, que mediante hidrólisis pueden convertirse en dos grupos hidroxilo unidos a átomos de C vecinales; y b) ácido bórico y/o al menos una sal del ácido bórico; seleccionándose el al menos un monómero M1 entre ésteres y diésteres de ácidos monocarboxílicos C3-C8 y ácidos dicarboxílicos C4-C8 monoetilénicamente insaturados con alcanoles C1-C30, ésteres de alcohol vinílico o de alcohol alílico con ácidos monocarboxílicos C1-C30, compuestos aromáticos de vinilo, amidas y diamidas, de ácidos monocarboxílicos C3-C8 y ácidos dicarboxílicos C4-C8 monoetilénicamente insaturados con alquilaminas C1-C30 o di-alquilaminas C1-C30 y mezclas de los mismos.
Abstract:
The present invention relates to polymer dispersion-based binder compositions comprising boric acid or salts of boric acid as cross-linking agents, to a method for the production thereof and to use thereof. The aqueous binder composition comprises: a) a water-insoluble polymer (P) in the form of dispersed polymer particles with a glass transition temperature in the range of -50°C to 50°C, obtained through radical polymerization of ethylenically unsaturated monomers M, wherein the monomers M contain: 80 to 99.9 wt %, relative to the total amount of monomers M, of at least one slightly soluble neutral monoethylenically unsaturated monomer M1; and 0.1 to 20 wt %, relative to the total amount of monomers M, of at least one monoethylenically unsaturated monomer M2 that contains at least one carboxyl group and/or at least one carboxylic acid amide group (CONH
Abstract:
The present invention relates to polymer dispersion-based binder compositions comprising boric acid or salts of boric acid as cross-linking agents, to a method for the production thereof and to use thereof. The aqueous binder composition comprises: a) a water-insoluble polymer (P) in the form of dispersed polymer particles with a glass transition temperature in the range of -50°C to 50°C, obtained through radical polymerization of ethylenically unsaturated monomers M, wherein the monomers M contain: 80 to 99.9 wt %, relative to the total amount of monomers M, of at least one slightly soluble neutral monoethylenically unsaturated monomer M1; and 0.1 to 20 wt %, relative to the total amount of monomers M, of at least one monoethylenically unsaturated monomer M2 that contains at least one carboxyl group and/or at least one carboxylic acid amide group (CONH2); and b) boric acid and/or at least one salt of boric acid.
Abstract:
The present invention relates to polymer dispersion-based binder compositions comprising boric acid or salts of boric acid as cross-linking agents, to a method for the production thereof and to use thereof. The aqueous binder composition comprises: a) a water-insoluble polymer (P) in the form of dispersed polymer particles with a glass transition temperature in the range of -50°C to 50°C, obtained through radical polymerization of ethylenically unsaturated monomers M, wherein the monomers M contain: 80 to 99.9 wt %, relative to the total amount of monomers M, of at least one slightly soluble neutral monoethylenically unsaturated monomer M1; and 0.1 to 20 wt %, relative to the total amount of monomers M, of at least one monoethylenically unsaturated monomer M2 that contains at least one carboxyl group and/or at least one carboxylic acid amide group (CON-H2); and b) boric acid and/or at least one salt of boric acid.
Abstract:
The present invention relates to a method of applying atmospheric corrosion control coats to metallic surfaces, using copolymers comprising as monomeric building blocks monomers containing nitrile groups, monomers containing acidic groups, and vinylaromatic monomers. It relates, furthermore, to preparations for applying corrosion control coats.