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Abstract:
以过硫酸铵(APS)为引发剂,在50℃对异丁烯醇聚氧乙烯醚(HPEG)大单体与丙烯酸(AA)进行低转化率(<15%)的水溶液共聚反应.用凝胶渗透色谱和高效液相色谱分别测定反应体系中HPEG和AA剩余量.依据设计反应单体投料比,K-T作图法处理数据,得到异丁烯醇聚氧乙烯醚(HPEG)与丙烯酸(AA)的竞聚率分别为:r1(HPEG)=0.017,r2(AA)=1.70.进而分析了HPEG与AA共聚物P(卜PEG-co-AA)的链段微结构和链节分布.当投料比为1∶4时,二元共聚物P(HPEG-co-AA)中HPEG以1个单体单元存在.丙烯酸均聚形成的链段以3~15个单体单元的链段长度为主,链段数均长度为7.8.
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高分子材料科学与工程
ISSN: 1000-7555
Year: 2018
Issue: 2
Volume: 34
Page: 19-23
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 5
Chinese Cited Count:
30 Days PV: 1
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