Copolímeros, su uso como espesante y procedimiento para su preparación

• Main Authors: CRISTADORO, Anna, BRUCHMANN, Bernd, AL-HELLANI, Rabie, LEYRER, Reinhold J, SCHÖNFELDER, Daniel, ARISANDY, Christofer
• Format: Patent
• Language: Spanish
• Published: 01.03.2016
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Copolímero, que contiene incorporado por polimerización como comonómero (A) al menos un ácido mono- o dicarboxílico etilénicamente insaturado, (B) al menos un compuesto etilénicamente insaturado, que presenta por molécula al menos una unidad estructural de fórmula general I: en la que las variables se definen tal como sigue: R1 son distintos o iguales y se seleccionan de hidrógeno, alquilo C1-C30, cicloalquilo C3-C10, arilo C6-C30 y aralquilo C7-C30, A1 son distintos o iguales y se seleccionan de alquileno C2-C10; arileno C6-C10 y aralquileno C7-C10, n son distintos o iguales y se seleccionan de cero a 200, m son distintos o iguales y se seleccionan de 1 a 6, (C) al menos un comonómero adicional. The present invention relates to copolymers comprising as comonomers in copolymerized form (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 the general formula (I) per molecule: where the variables are defined as follows: R1 is different or identical and selected from hydrogen, C1-C30-alkyl, C6-C30-aryl and C7-C30-aralkyl, A1 is different or identical and selected from C2-C10-alkylene, 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, (C) at least one further comonomer.