Synthesis of Densely Grafted Comblike Copolymers
作者： Zhifeng Fu , Wuping Tao , Yan Shi
DOI: 10.1002/POLA.22386
关键词: Reversible addition−fragmentation chain-transfer polymerization 、 Atom-transfer radical-polymerization 、 Ethyl acrylate 、 Acrylate polymer 、 Radical polymerization 、 Copolymer 、 Polymer chemistry 、 Chain transfer 、 Chemistry 、 Polymerization
摘要: Densely grafted copolymers were synthesized using the "grafting from" approach via combination of reversible addition-fragment chain transfer polymerization (RAFT) and atom radical (ATRP). First, a novel functional monomer, 2,3-di(2-bromoisobutyryloxy)ethyl acrylate (DBPPA), with two initiating groups for ATRP was synthesized. It then polymerized RAFT to give macroinitiators controlled molecular weights narrow weight distributions. Last, styrene carried out poly(DBPPA)s as prepare comblike poly(DBPPA)-graft-polystyrenes carrying double branches in each repeating unit backbone approach. Furthermore, poly(DBPPA)-graft-[polystyrene-block-poly(t-BA)]s their hydrolyzed products poly(DBPPA)-graft-[polystyrene-block-poly(acrylic acid)]s also successfully prepared.
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