Studies on Copolymerization of Poly (ethylene oxide )Macromer and Methyl Methacrylate with Their Copolymers

Abstract

Abstract: Copolymerization of α-methacryloyl-ω-poly(ethylene oxide)(PEO)macromers with methyl methacrylate(MMA)in toluene using AIBNas initiator was studied.The effects of amount of initiator,total monomer concentration,reaction time and chargingratio of the macromer to MMAon the composition and molecular weight of the graft copolymer were studied.The purified copolymer was characterized with IR,¹H NMR,DSCandGPC. Microphase separated structure of the copolymer was observed with TEMand the an-tithrombogenic properties were evaluated.

Key words: PEO macromer, Copolymerization, Antithrombogenic property, Microphaseseparated structure

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GUO Sheng-Rong, FENG Lin-Xian, YU Xiao-Jie, YANG Shi-Lin. Studies on Copolymerization of Poly (ethylene oxide )Macromer and Methyl Methacrylate with Their Copolymers[J]. Chem. J. Chinese Universities, 1996, 17(1): 156.

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Studies on Copolymerization of Poly (ethylene oxide )Macromer and Methyl Methacrylate with Their Copolymers

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