Kinetics of suspended emulsion copolymerization of acrylonitrile with itaconic acid

被引：0
|
作者：
Yu Mengmeng [1 ]
Chen Hou [1 ]
Liang Ying [1 ]
Cui Hengli [1 ]
Zhou Wenying [1 ]
Li Dongmei [1 ]
Cui Xianqiang [1 ]
机构：
[1] Iudong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China
来源：
E-POLYMERS | 2009年
关键词：
Suspension emulsion polymerization; Kinetics; Acrylonitrile; Itaconic acid; RADICAL POLYMERIZATION; MORPHOLOGY;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Acrylonitrile(AN) was successfully used to copolymerize with itaconic acid (IA) by suspension emulsion polymerization at 70 degrees C under N-2 atmosphere for the first time. Porous AN/IA copolymers were prepared by using potassium peroxydisulphate (KPS) as initiator, poly(vinyl alcohol) (PVA) as dispersant and Span60 as emulsifier. Kinetics of suspension emulsion copolymerization of AN with IA were studied. Effects of various mass ratios of water/monomer, initiator concentrations, emulsifier concentrations and dispersant concentrations on AN/IA copolymerization rate and changes of particle size and size distribution with the extension of polymerization time were investigated. It was found that the copolymerization rate increased with water/monomer mass ratio and KPS concentration. Span60 concentration and PVA concentration had no obvious effect on the polymerization rate. Finally, a suspension emulsion polymerization mechanism for AN and IA was proposed.
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页数：10
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