化工学报2019，Vol.70Issue(10)：4080-4088,9.DOI:10.11949/0438-1157.20190342
RAFT聚合制备PMPS-b-PNIPAM嵌段共聚物及温敏性纳米粒子
PMPS-b-PNIPAM copolymers synthesized by RAFT polymerization and their thermo-responsive nanoparticles
赵小燕 1单国荣2
作者信息
- 1. 化学工程联合国家重点实验室,浙江大学化学工程与生物工程学院,浙江杭州310027
- 2. 浙江大学衢州研究院,浙江衢州324000
- 折叠
摘要
Abstract
A series of molecular weight-controlled, narrow molecular weight distributions of 3-trimethoxysilyl methacrylate (MPS) and N-isopropyl acrylamide (NIPAM) block copolymers were synthesized by reversible addition-fragmentation chain transfer (RAFT) living radical polymerization. Temperature-sensitive silicon-containing nanoparticle are prepared by dispersing in aqueous solution. With the same chain length of hydrophobic segment PMPS, by changing the chain length of hydrophilic segment PNIPAM and the pH of the water solutions, the critical aggregation concentrations, the diameters and morphologies of the nanoparticles, and the phase separation behavior happening in the process of temperature variation were studied. Thermo-responsive and spherical nanoparticles were attained. The nanoparticles possessed advantages of both organics and inorganics. And they may have wide applications in many fields such as biomedicine, chemical catalysis, nanoreactors, dyes, coatings and so on.关键词
共聚物/硅烷/纳米粒子/pH/水解Key words
polymers/silicane/nanoparticles/pH/hydrolysis分类
化学化工引用本文复制引用
赵小燕,单国荣..RAFT聚合制备PMPS-b-PNIPAM嵌段共聚物及温敏性纳米粒子[J].化工学报,2019,70(10):4080-4088,9.
