高等学校化学学报 ›› 1996, Vol. 17 ›› Issue (1): 156.

• 论文 • 上一篇    下一篇

聚氧乙烯大单体与甲基丙烯酸甲酯的共聚合及其共聚物的研究

郭圣荣, 封麟先, 俞小洁, 杨士林   

  1. 浙江大学高分子科学与工程系, 杭州 310027
  • 收稿日期:1995-01-27 出版日期:1996-01-24 发布日期:1996-01-24
  • 通讯作者: 封麟先
  • 作者简介:郭圣荣,男,31岁,博士研究生.
  • 基金资助:

    国家自然科学基金;国家教育委员会“863”基金

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

GUO Sheng-Rong, FENG Lin-Xian, YU Xiao-Jie, YANG Shi-Lin   

  1. Department of Polymer, Zhejiang University, Hangzhou 310027
  • Received:1995-01-27 Online:1996-01-24 Published:1996-01-24

摘要: 研究了聚氧乙烯(PEO)大单体与甲基丙烯酸甲酯的溶液共聚合,考察了引发剂用量、单体总浓度、投料比、反应时间对共聚物组成和分子量的影响。IR、~1HNMR、GPC、VPO、DSC及透射电镜等测定结果表明,经纯化的共聚物具有预期的结构,且呈现微相分离。体外人体正常抗凝血浆复钙时间测定结果显示:共聚物的抗凝血性明显好于玻璃和PMMA均聚物,且随共聚物中PEO含量的增加而增强,经水化处理的共聚物的抗凝血性比未经处理的好。

关键词: PEO大单体, 共聚合, 抗凝血性, 微相分离

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

TrendMD: