Patent ID: 8344074

Claim:
A liquid polyamine or polyimine-g-polyacrylate grafted copolymer blend of the general formula 1 or a mixture of formula 1 and an acrylate polymer of the general formula Y T-(A1,A2)-Y 1 wherein T is a polyamine or polyimine A1 is an amide or imide bridging bond, A2 is a —N—C— bridging bond, Y is an acrylate residue of the general formula 2, wherein, R 1 and R 2 are, independently, hydrogen, C 1-20 alkyl, aryl, heteroaryl or substituted aryl, n is a number of 1-1000, wherein the polyamine-g-polyacrylate grafted copolymer blend has an average molecular weight of 50 000 g/mol to 150 000 g/mol and a polydispersity M w /M n greater than 3 and equal to or less than 5.5.