<i>In-situ</i> IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-<i>t</i>BMA) via ARGET ATRP

Wenjing Lin; Youqiang Yang; Ruihao Chen; Xiufang Wen; Yu Qian; Chengzhi Cai; Lijuan Zhang

doi:10.1016/j.cjche.2014.06.030

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In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP

材料与产品工程 | Updated：2026-01-06

- In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP
- In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP
- 中国化学工程学报（英文版） 2014年22卷第9期页码：1046-1054
- Affiliations：
  
  1. School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou,China,510640
  2. Department of Chemistry & Center for Materials Chemistry, University of Houston,TX,Houston,USA,77204-5003
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.06.030
  中图分类号：
- 纸质出版：2014
- Accepted：
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Wenjing Lin, Youqiang Yang, Ruihao Chen, 等. In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP[J]. 中国化学工程学报（英文版）, 2014,22(9):1046-1054. DOI: 10.1016/j.cjche.2014.06.030.

IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-
Wenjing Lin, Youqiang Yang, Ruihao Chen, 等. In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP[J]. 中国化学工程学报（英文版）, 2014,22(9):1046-1054. DOI: 10.1016/j.cjche.2014.06.030. DOI：

IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co- DOI： 10.1016/j.cjche.2014.06.030.

摘要

Abstract

The amphiphilic copolymer poly(hydroxyethyl methacrylate-co-

tert

-butyl methacrylate) [P(HEMA-co-

BMA)

]

was synthesized by activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP)

with the synthesis process monitored by

in-situ

infrared spectroscopy (IR). The molecular weight

chemical structure and characteristics of the copolymer were determined by 1H NMR

gas chromatography and gel permeation chromatography. The influences of various parameters on the living polymerization were explored. The molecularweight of the copolymer with narrowmolecularweight distribution (

b 1.50) increases approximately linearly with the monomer conversion

indicating a good control of polymerization. In the reaction temperature range from 50℃ to 90℃

the monomer conversion is higher at 60℃. The

BMA conversion rate decreases gradually with the increase of

BMA content

while the HEMA conversion is hardly affected by HEMA content. Weak polar solvent is more favorable to the polymerization compared to polar solvent. The molar ratio of reducing agent to catalyst has significant effect on the polymerization and increasing the amount of reducing age

nt will accelerate the reaction rate but causes wider molecular weight distribution. It is indicated that

in-situ

IR monitoring contributes to a more in-depth understanding of the mechanism of methacrylate monomer copolymerization.

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In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP

In-situ IR Monitoring the Synthesis of Amphiphilic Copolymery P(HEMA-co-tBMA) via ARGET ATRP

DOI：10.1016/j.cjche.2014.06.030

摘要

Abstract

关键词

Keywords

references