RAFT Ab Initio Emulsion Polymerization of Styrene Using Poly(acrylic acid)-b-polystyrene Trithiocarbonate of Various Structures as Mediator and Surfactant

被引：27

作者：

Huang, Jie ^{[1
]}

Zhao, Shuai ^{[1
]}

Gao, Xiang ^{[1
]}

Luo, Yingwu ^{[1
]}

Li, Bogeng ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Chem & Biol Engn, State Key Lab Chem Engn, Hangzhou 310027, Peoples R China

来源：

MACROMOLECULAR REACTION ENGINEERING | 2014年 / 8卷 / 10期

基金：

国家杰出青年科学基金;

关键词：

amphiphilic RAFT agent; emulsion polymerization initiator; RAFT polymerization; styrene; FREE-RADICAL POLYMERIZATION; FRAGMENTATION CHAIN-TRANSFER; BLOCK-COPOLYMERS; PARTICLES; SYSTEMS; ACID); MINIEMULSION; POLYMERS; AGENT;

D O I：

10.1002/mren.201400010

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Reversible addition fragmentation chain transfer (RAFT) ab initio emulsion polymerization of styrene using poly(acrylic acid)-b-polystyrene trithiocarbonate (AA(x)-b-St(y) macroRAFT) as both mediator and surfactant was investigated with systematically changed y from 0 to 7 and x from 15 to 30. A well-controlled polymerization in terms of little coagulum, well predicted molecular weight and low polydispersity (PDI) (approximate to 1.2) could only be achieved by using the macroRAFTs of hydrophile-lipophile balance (HLB) values between 13 and 20. The final latex particle size could be tuned from 80 to 172 nm in diameter simply by changing x and y values while the molecular weight was targeted the same (30 K).

引用

页码：696 / 705

页数：10

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