Degradable graft copolymers by ring-opening and reverse addition-fragmentation chain transfer polymerization

被引：14
|
作者：
Williams, Rebecca J. [1 ]
O'Reilly, Rachel K. [1 ]
Dove, Andrew P. [1 ]
机构：
[1] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England
来源：
POLYMER CHEMISTRY | 2012年 / 3卷 / 08期
基金：
英国工程与自然科学研究理事会;
关键词：
LIVING RADICAL POLYMERIZATION; CLICK CHEMISTRY; ALIPHATIC POLYESTERS; STAR POLYMERS; RAFT PROCESS; CYCLIC CARBONATE; BLOCK; FUNCTIONALIZATION; POLY(EPSILON-CAPROLACTONE); COMBINATION;
D O I：
10.1039/c2py20213a
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The synthesis and controlled ring-opening polymerization (ROP) of a six membered cyclic carbonate monomer with pendant reversible addition-fragmentation chain transfer (RAFT) functionality is reported. The growth of fast propagating monomers (methyl acrylate, tetrahydropyran acrylate and N-isopropylacrylamide) from the obtained RAFT-functional poly(carbonate)s resulted in the formation of well-defined graft copolymers with a biodegradable backbone, when grafting was terminated at low monomer conversions (ca. 30%). Direct dissolution of the thermally responsive poly(carbonate)-graft-PNiPAm copolymer yielded spherical micelles as confirmed by DLS and TEM analysis.
引用
收藏
页码：2156 / 2164
页数：9
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