EP 1062286 A1 20001227 - AQUEOUS BRANCHED POLYMER DISPERSANT FOR HYDROPHOBIC MATERIALS
Title (en)
AQUEOUS BRANCHED POLYMER DISPERSANT FOR HYDROPHOBIC MATERIALS
Title (de)
VERZWEIGTE POLYMER DISPERGIERMITTEL FÜR HYDROPHOBE MATERIALIEN
Title (fr)
DISPERSANT A BASE DE POLYMERE AQUEUX RAMIFIE POUR MATERIAUX HYDROPHOBES
Publication
Application
Priority
US 9804352 W 19980306
Abstract (en)
[origin: WO9945078A1] A waterbased dispersion useful for forming aqueous coating compositions containing dispersed hydrophobic material, an aqueous carrier and a branched polymer dispersant (binder); the branched polymer has a weight average molecular weight of about 5,000 - 100,000 and contains 20-80 % by weight of a hydrophilic backbone and correspondingly 80-20 % by weight of macromonomer side chains; wherein the backbone is of polymerized ethylenically unsaturated monomers and 2-30 % by weight, based on the weight of the backbone of polymerized ethylenically unsaturated monomers having an acid-functional group; and wherein at least 10 % of the acid-functional groups are neutralized with an amine or an inorganic base and is hydrophilic in comparison to the side chains; and the side chains are of macromonomers of polymerized ethylenically unsaturated monomers that are polymerized into the backbone via an ethylenically unsaturated group and the macromonomers have a weight average molecular weight of about 1,000-30,000 and wherein the weight ratio of hydrophobic material to binder is about 1/100 - 200/100.
IPC 1-7
IPC 8 full level
C08F 290/04 (2006.01); C09D 151/00 (2006.01); C09D 155/00 (2006.01)
CPC (source: EP)
C08F 290/04 (2013.01); C09D 151/00 (2013.01)
Citation (search report)
See references of WO 9945078A1
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
WO 9945078 A1 19990910; CA 2321798 A1 19990910; EP 1062286 A1 20001227; JP 2002505370 A 20020219
DOCDB simple family (application)
US 9804352 W 19980306; CA 2321798 A 19980306; EP 98910190 A 19980306; JP 2000534615 A 19980306