全离子型纳米复合水凝胶聚(2-丙烯酰胺-2-甲基丙磺酸-丙烯酸-N-(3-二甲氨基)丙基甲基丙烯酰胺)/Laponite的合成及性能研究

徐世美; 杜娟; 王吉德

doi:10.13568/j.cnki.651094.2016.03.002

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全离子型纳米复合水凝胶聚(2-丙烯酰胺-2-甲基丙磺酸-丙烯酸-N-(3-二甲氨基)丙基甲基丙烯酰胺)/Laponite的合成及性能研究

更新时间：2026-01-21

- 全离子型纳米复合水凝胶聚(2-丙烯酰胺-2-甲基丙磺酸-丙烯酸-N-(3-二甲氨基)丙基甲基丙烯酰胺)/Laponite的合成及性能研究
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 33, Issue 3, Pages: 258-264(2016)
- 作者机构：
  
  新疆大学化学化工学院新疆石油天然气精细化工教育部和自治区重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.2016.03.002
  CLC： O648.17
- Published：2016
- 稿件说明：
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[1]徐世美,杜娟,王吉德.全离子型纳米复合水凝胶聚(2-丙烯酰胺-2-甲基丙磺酸-丙烯酸-N-(3-二甲氨基)丙基甲基丙烯酰胺)/Laponite的合成及性能研究[J].新疆大学学报(自然科学版),2016,33(03):258-264+379.
[1]徐世美,杜娟,王吉德.全离子型纳米复合水凝胶聚(2-丙烯酰胺-2-甲基丙磺酸-丙烯酸-N-(3-二甲氨基)丙基甲基丙烯酰胺)/Laponite的合成及性能研究[J].新疆大学学报(自然科学版),2016,33(03):258-264+379. DOI： 10.13568/j.cnki.651094.2016.03.002.

DOI：10.13568/j.cnki.651094.2016.03.002.

摘要

本文以锂藻土(Laponite)为无机交联剂

2-丙烯酰胺-2-甲基丙磺酸(AMPS)、丙烯酸(AA)和N-(3-二甲氨基)丙基甲基丙烯酰胺(DMAPMA)为离子型单体

通过原位自由基聚合方法制备离子型聚(AMPS-co-AA-coDMAPMA)/Laponite纳米复合(NC)水凝胶.在证实纳米复合水凝胶组成和网络结构基础上

系统研究其机械性能及在不同p H缓冲液和盐溶液中的溶胀行为.由于Laponite的均匀分散使水凝胶具有良好的机械性能

其断裂拉伸强度达196 k Pa

断裂伸长率达3 805%

且该纳米复合水凝胶表现出一定的p H和盐敏感行为.

Abstract

Ionic nanocomposite(NC) hydrogels poly(2-acrylamido-2-methlypropane sulfonic acid-co-acrylic acid-co-N [-3(dimethylamino)propyl] methacrylamide)/Laponite were prepared by in-situ polymerization using ionic monomers 2-acrylamido-2-methlypropane sulfonic acid(AMPS)

acrylic acid(AA) and N [-3(dimethy lamino)propyl] methacrylamide(DMAPMA) in Laponite dispersion. It was found that these hydrogels showed improved mechanical properties with tensile strength of 196 k Pa and elongation at break of 3 805%. Besides

the hydrogel showed p H-sensitive and salt-sensitive behaviors.

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