One-Step Synthesis of Block Copolymers Using a Hydroxyl-Functionalized Trithiocarbonate RAFT Agent as a Dual Initiator for RAFT Polymerization and ROP

被引：40

作者：

Kang, Hyun Uk ^{[1
]}

Yu, Young Chang ^{[1
]}

Shin, Sang Jin ^{[1
]}

Youk, Ji Ho ^{[1
]}

机构：

[1] Inha Univ, Dept Adv Fiber Engn, Div Nanosyst Engn, Inchon 402751, South Korea

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2013年 / 51卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

block copolymers; dual initiator; one-step synthesis; reversible addition fragmentation chain transfer polymerization (RAFT); ring-opening polymerization; COMBINATION; POLYMERS;

D O I：

10.1002/pola.26464

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A range of well-defined block copolymers were synthesized using 4-cyano-4-(dodecylsulfanylthiocarbonyl)sulfanylpentanol (CDP) as a dual initiator for reversible addition-fragmentation chain transfer (RAFT) polymerization and ring-opening polymerization (ROP) in a one-step process. Styrene, (meth) acrylate, and acrylamide monomers were polymerized in a controlled manner for one block composed of vinyl monomers, and delta-valerolactone (VL), epsilon-caprolactone (CL), trimethylene carbonate (TMC), and L-lactide (LA) were used for the other block composed of cyclic monomers. Diphenyl phosphate was used as a catalyst for the ROP of VL, CL, and TMC, and 4-dimethyamino pyridine for the ROP of LA. These catalysts did not interfere with RAFT polymerization and the synthesis of various block copolymers proceeded in a controlled manner. CDP was found to be a very useful dual initiator for a one-step synthesis of various block copolymers by a combination of RAFT polymerization and ROP. (C) 2012 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013, 51, 774-779

引用

页码：774 / 779

页数：6

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