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

Ruiwei Guo; Xiandong Lu; Maosheng Hua; Daobin Fang; Kangde Yao

doi:10.1002/pi.782

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

Ruiwei Guo, Xiandong Lu, Maosheng Hua, Daobin Fang, Kangde Yao

Polymer International2001doi:10.1002/pi.782

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Abstract

Abstract 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 1H NMR, and the formation characteristics of the graft polymer are discussed. © 2001 Society of Chemical Industry

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Ruiwei Guo#1 Xiandong Lu#2 Maosheng Hua#3 Daobin Fang#4 Kangde Yao#5

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

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