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基团转移聚合合成PMMA-PEA-PAN嵌段共聚物的研究
Authors
丁马太
夏海平
郭舰
陈萍
Publication date
30 July 1993
Publisher
Abstract
丙烯酸系橡胶的综合性能仅次于氟橡胶,成本较低,若制成可重复加工的热塑性弹性体则更有价值。前人曾用阴离子聚合法进行过合成试验,均因副反应太多等原因而未能获得满意的结果。基团转移聚合(GTP)是八十年代建立的合成高分子新方法,在室温下进行“活性聚合”是其重要特征。本文利用GTP方法、单官能团引发剂,仅通过适当控制加料次序和时机就合成了软段居中的三元共聚物,为合成全丙烯酸系热塑弹性体奠定了基础
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Last time updated on 16/06/2016