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[1]沈 荣,鲍世轩,郭 蓓,等.不同溶剂中的苯乙烯-马来酸酐共聚研究[J].武汉工程大学学报,2019,(01):65-68.[doi:10. 3969/j. issn. 1674-2869. 2019. 01. 010]
 SHEN Rong,BAO Shixuan,GUO Bei,et al.Copolymerization of Styrene-Maleic Anhydride in Different Solvents[J].Journal of Wuhan Institute of Technology,2019,(01):65-68.[doi:10. 3969/j. issn. 1674-2869. 2019. 01. 010]
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不同溶剂中的苯乙烯-马来酸酐共聚研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2019年01期
页码:
65-68
栏目:
材料科学与工程
出版日期:
2019-03-23

文章信息/Info

Title:
Copolymerization of Styrene-Maleic Anhydride in Different Solvents
文章编号:
20190110
作者:
沈 荣鲍世轩郭 蓓文 轩郭雅妮*
武汉工程大学材料科学与工程学院,湖北 武汉 430205
Author(s):
SHEN Rong BAO Shixuan GUO Bei WEN Xuan GUO Yani*
School of Materials Science and Engineering,Wuhan Institute of Technology, Wuhan 430205, China
关键词:
苯乙烯马来酸酐共聚物溶剂
Keywords:
School of Materials Science and EngineeringWuhan Institute of Technology Wuhan 430205 China
分类号:
O631.5
DOI:
10. 3969/j. issn. 1674-2869. 2019. 01. 010
文献标志码:
A
摘要:
以偶氮二异丁腈为引发剂,分别以乙酸乙酯、N,N-二甲基甲酰胺、甲苯为溶剂,通过改变苯乙烯与马来酸酐的投料摩尔比,探究了苯乙烯-马来酸酐(PSMA)共聚物的合成条件对共聚物中马来酸酐单元含量的影响。利用傅立叶变换红外光谱、核磁共振氢谱、凝胶渗透色谱和热失重对共聚产物进行了表征。结果表明:以甲苯为溶剂进行沉淀聚合反应,苯乙烯和马来酸酐投料摩尔比为1∶1时,通过核磁共振氢谱计算所合成的PSMA共聚物中马来酸酐单元质量分数为46.42%,产率为75%;通过GPC测得共聚产物的重均分子量为79 697。合成的PSMA是一种低聚合度、高马来酸酐单元含量的共聚物。
Abstract:
Poly (styrene-co-maleic anhydride) (PSMA) copolymer was prepared in three solvents (ethyl acetate,N,N-dimethylformamide and toluene) with azodiisobutyronitrile as an initiator. Effect of synthesis conditions such as the feed mole ratio of styrene to maleic anhydride on the content of maleic anhydride units in the copolymers was investigated. The copolymerization products were characterized by Fourier transform infrared spectroscopy,nuclear magnetic resonance spectroscopy,gel permeation chromatography and thermogravimetric analysis. The results show that when the mole?ratio of styrene to maleic anhydride is 1∶1 with toluene as a solvent of precipitation polymerization,the mass fraction of maleic anhydrideunits in the synthesized PSMA is 46.42% and the yield is 75% calculated by nuclear magnetic resonance spectroscopy. The weight-average relative molecular mass of the product is 79 697 determined by gel permeation chromatography. The synthesized PSMA is a copolymer with low degree of polymerization and high content of maleic anhydrideunits.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-09-20基金项目:武汉工程大学第十二期校长基金(2017029);武汉工程大学第九届研究生教育创新基金(CX2017011);武汉工程大学科学研究基金(K201623);湖北省大学生创新创业训练计划项目(201710490019Y)作者简介:沈 荣,本科生。E-mail:[email protected]*通讯作者:郭雅妮,博士,副教授。E-mail:[email protected]引文格式:沈荣,鲍世轩,郭蓓,等. 不同溶剂中的苯乙烯-马来酸酐共聚研究[J]. 武汉工程大学学报,2019,41(1):65-68.
更新日期/Last Update: 2019-02-18