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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:

EI Scopus 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(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.

Keyword:

链段 异丁烯醇聚氧乙烯醚 竞聚率 丙烯酸 聚羧酸减水剂

Author Community:

  • [ 1 ] [王子明]北京工业大学
  • [ 2 ] [尹东杰]北新集团建材股份有限公司
  • [ 3 ] [毛倩瑾]北京工业大学

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Source :

高分子材料科学与工程

ISSN: 1000-7555

Year: 2018

Issue: 2

Volume: 34

Page: 19-23

Cited Count:

WoS CC 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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