Preparation of cellulose graft poly(butyl methacrylate) copolymers by homogeneous ATRP

Halidan Maimaiti; Kalbinur Arken; Minawar Wumaier

doi:10.3969/j.issn.0438-1157.2014.03.048

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Preparation of cellulose graft poly(butyl methacrylate) copolymers by homogeneous ATRP

更新时间：2025-12-10

- Preparation of cellulose graft poly(butyl methacrylate) copolymers by homogeneous ATRP
- CIESC Journal Issue 3, Pages: 1111-1117(2014)
- 作者机构：
  
  新疆大学化学化工学院,新疆,乌鲁木齐,830046
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.03.048
  CLC： Q314.1
- Online First：05 March 2014，
  
  Published：05 March 2014
- 稿件说明：
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Halidan Maimaiti, Kalbinur Arken, Minawar Wumaier. Preparation of cellulose graft poly(butyl methacrylate) copolymers by homogeneous ATRP[J]. CIESC Journal, 2014, (3): 1111-1117.
DOI：

Halidan Maimaiti, Kalbinur Arken, Minawar Wumaier. Preparation of cellulose graft poly(butyl methacrylate) copolymers by homogeneous ATRP[J]. CIESC Journal, 2014, (3): 1111-1117. DOI： 10.3969/j.issn.0438-1157.2014.03.048.

摘要

在纤维素LiCl/DMAc均相溶液中，通过氯乙酰氯（ClC2OCl）与纤维素的均相酰化反应制得纤维素氯乙酸酯（Cellulose-ClAc）后，将其溶解在DMAc中，在FeCl2/4-二甲氨基吡啶（DMAP）的催化作用下，引发甲基丙烯酸丁酯（BMA）的均相ATRP 聚合反应，制备了纤维素/BMA接枝共聚物（Cellulose-g-PBMA），考察了反应时间、反应温度、反应物配比等对酰化及接枝聚合反应的影响，并通过测试Cellulose-g-PBMA薄膜的接触角，对最终产物的疏水性能进行了研究；采用FTIR、NMR、SEM、TEM、AFM等分析手段对Cellulose-ClAc及Cellulose-g-PBMA的结构进行了表征；利用GPC分析了接枝聚合反应的活性特征。

Abstract

Cellulose graft poly(butyl methacrylate) copolymers (Cellulose-g-PBMA) were prepared by homogeneous atom transfer radical polymerization (ATRP) process. Cellulose chloroacetate(Cellulose-ClAc)

as macroinitiator

was synthesized first by direct acylation of cotton pulp cellulose with chloroacetyl chloride (ClC2OCl) in cellulose/LiCl/DMAc solution. Thereafter

Cellulose-ClAc was used for the ATRP of BMA (butyl methacrylate) mediated by the FeCl2/four-dimethyl aminopyridine (DMAP) catalytic system. Acylation reaction and grafting polymerization conditions

such as reaction time

reaction temperature and ratio of reactants were investigated. The hydrophobicity of Cellulose-g-PBMA copolymer was studied with contact angle measurements. Cellulose-ClAc and Cellulose-g-PBMA were characterized by means of FTIR

NMR

SEM

TEM

AFM. Gel permeation chromatography (GPC) was used to analyze the characteristics of the activity of polymerization.

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