Paul Hugh Findlay,Brodyck James Lachlan Royles,Roselyne Marie Andree Baudry,Neil John Simpson,Sharon Todd,Steven Paul Rannard
申请号：
US13380000
公开号：
US20120095112A1
申请日:
2010.06.22
申请国别(地区):
US
年份:
2012
代理人:
摘要：
The present invention relates to the use of a branched addition copolymer as a dispersant in a gaseous, liquid or solid formulation in a range of applications and to the copolymers per se wherein the copolymer is obtainable by an addition polymerisation process, wherein said copolymer comprises: at least two chains which are covalently linked by a bridge other than at their ends and wherein the at least two chains comprise at least one ethyleneically monounsaturated monomer, and wherein the bridge comprises at least one ethyleneically polyunsaturated monomer and wherein the polymer comprises a residue of a chain transfer agent and wherein the mole ratio of polyunsaturated monomer(s) to monounsaturated monomer(s) is in a range of from 1:100 to 1:4 and wherein the branched copolymer dispersant contains anchoring, solubilising or stabilising moieties and wherein the resulting copolymer has a weight average molecular weight of greater than 100,000 Da.
