Patent ID: 6642301
Filing Date: 2003-11-04
Classification: C09B,C09D

Abstract:
A composition comprisinga) 1 to 99.9% by weight of a block copolymer of the formula: &phgr;-(G)p-(E)s-Tâ€ƒâ€ƒ(I) â€ƒwherein: &phgr; represents a polymerization initiator fragment of a polymerization initiator capable of initiating atomic transfer radical polymerization (ATRP) of ethylenically unsaturated monomers in the presence of a catalyst capable of activating controlled radical polymerization; G and E represent polymer blocks which differ in polarity and consist of repeating units of ethylenically unsaturated monomers; p and s represent numerals greater than zero and define the number of monomer repeating units in polymer blocks G and E; and T represents a polymer chain terminal group; and b) 9 to 99% by weight of a dispersible inorganic or organic pigment particles.