Methacryloyl and/or Hydroxyl End-Functional Star Polymers Synthesized by ATRP Using the Arm-First Method

被引：20
|
作者：
Ohno, Shigeki [1 ]
Gao, Haifeng [1 ]
Cusick, Brian [1 ]
Kowalewski, Tomasz [1 ]
Matyjaszewski, Krzysztof [1 ]
机构：
[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2009年 / 210卷 / 06期
基金：
美国安德鲁·梅隆基金会;
关键词：
arm-first method; atom transfer radical polymerization (ATRP); cross-linker; functional star polymers; monomers; TRANSFER RADICAL POLYMERIZATION; CROSS-LINKING MACROMONOMERS; BLOCK-COPOLYMERS; STRUCTURAL CONTROL; GRAFT-COPOLYMERS; CLICK CHEMISTRY; BUTYL ACRYLATE; ARCHITECTURES; POLYSTYRENE; DESIGN;
D O I：
10.1002/macp.200800560
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Star polymers with methacryloyl groups at the chain ends were synthesized by esterification of hydroxyl end-functional star polymers. First, the linear hetero-telechelic macroinitiator (MI) was prepared by ATRP using a functional initiator. The obtained MI was chain-extended and cross-linked with DVB and then esterified into methacryloyl. chain-end functionality. The degree of esterification was controlled by changing the initial molar ratios of methacryloyl chloride to hydroxyl groups. The methacryloyl-containing star polymers were cross-linked either intermolecularly or intramolecularly under heating or UV irradiations, depending on the concentrations of star polymers during the cross-linking reactions.
引用
收藏
页码：421 / 430
页数：10
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