Patent ID: 8859677
Filing Date: 2014-10-14
Classification: B01F,C09B,C09D

Abstract:
1. A polyester amine dispersant of formula (1): wherein, T-V-(A) T is a polyester polymerisation terminating group containing R—C(═O)— or R—O— where R is a C V is a direct bond connecting T to (A) A is an oxyalkylenecarbonyl unit derived from one or more different hydroxyl-C U is a direct bond or a divalent linkage of the structure —CH Z is polyvinylamine, polyallylamine or a poly(C W is the reaction product of an amino or imino group of Z with a) urea at 100 to 150° C. or b) oxygen to form an N-oxide; m is from 2 to 2000; and x is from 1 up to the maximum number of available amino and/or imino groups in Z which do not carry the group T-V-(A)