Separation and characterization of poly(styrene-co-acrylonitrile)-graft-poly(propylene oxide) polymer stabilizer formed in dispersion polymerization of styrene and acrylonitrile in polyether

被引：4
|
作者：
Guo, RW [1 ]
Lu, XD
Hua, MS
Fang, DB
Ya, KD
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Res Inst Polymer Mat, Tianjin 300072, Peoples R China
来源：
POLYMER INTERNATIONAL | 2001年 / 50卷 / 12期
关键词：
dispersion polymerization in polyether; macromonomer; graft polymer; separation;
D O I：
10.1002/pi.782
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(styrene-co-acrylonitrile)-graft-poly(propylene oxide) (PSAN-graft-PPO), the stabilizer formed in situ in the dispersion polymerization of styrene, acrylonitrile and macromonomer PPO maleate in PPO polyol, was separated from ungrafted copolymer PSAN by liquid chromatography. After the determination of the separation conditions by thin-layer chromatography, the effective separation of the graft polymer from copolymer PSAN was achieved by liquid column chromatography. The graft efficiency and the composition of the graft polymer was determined by UV and H-1 NMR, and the formation characteristics of the graft polymer are discussed. (C) 2001 Society of Chemical Industry.
引用
收藏
页码：1379 / 1383
页数：5
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