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DENDRITIC BUILDING BLOCKS AND THEIR BEHAVIOR OF POLYMERIZATION
Author(s): JI Tao, CUI Guanglei, XUAN Zhengqian, CHEN Yongming, LI Yufei
Pages: 93-
99
Year: 1999
Issue:
1
Journal: ACTA POLYMERICA SINICA
Keyword: 树状楔形分子; 树状大分子; 自由基聚合;
Abstract: 合成了两种具树状支化特征的新化合物,这些楔形分子的弧形端围有多个羟基而顶端带双键,成为可聚合单体.同时研究了这类楔形分子在自由基引发体系中的聚合行为,结果表明,这些单体与一般烯丙基类单体的聚合行为一致,楔形分子的多个羟基及其分布基本不影响烯基的聚合活性.顶端为烯丙基醚的树状单体可与丙烯腈等带吸电子基团的单体共聚,但不能进行均聚;而顶端为甲基丙烯酸酯的树状单体均聚及与丙烯腈共聚的反应都可以顺利进行.这类多羟基的楔形分子水溶性非常好,由其构筑而成的聚合物大都也是水溶性高分子.
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