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Author:

王子明 (王子明.) | 尹东杰 (尹东杰.) | 毛倩瑾 (毛倩瑾.)

Indexed by:

CQVIP PKU CSCD

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(HPEG-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...

Keyword:

聚羧酸减水剂 链段 竞聚率 丙烯酸 异丁烯醇聚氧乙烯醚

Author Community:

  • [ 1 ] 北京工业大学材料科学与工程学院
  • [ 2 ] 北新集团建材股份有限公司

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Source :

高分子材料科学与工程

Year: 2018

Issue: 02

Volume: 34

Page: 19-23

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 29

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