Patent ID: 7910664
Filing Date: 2011-03-22
Classification: C08G,H01B,H05K,Y02E

Abstract:
1. A method for preparing a multi-branched polymer, which comprises carrying out at least one nucleophilic substitution reaction selected from the group consisting of (A), (B), (C) and (D) reactions according to the following reaction scheme 1: wherein X is H or CH 3 ; R is selected from the group consisting of the following R R (OCH (OCHCH R R wherein each of n, m and k represents an integer between 0 and 200; Q is selected from the group consisting of H, CH W is selected from Br, I and H; Z is selected from the group consisting of H, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, isopentyl, neopentyl, cyclopentyl, hexyl, cyclohexyl, vinyl (—CH═CH L is a halogen atom.