明胶/聚甲基丙烯酸复合水凝胶的制备及其性能研究

刘瑞雪; 陈纪超; 李迎博; 周腾; 王亚玲

doi:10.12187/2020.06.007

明胶/聚甲基丙烯酸复合水凝胶的制备及其性能研究

郑州轻工业大学材料与化学工程学院, 河南郑州 450001

作者简介: 刘瑞雪(1971-),女,河南省范县人,郑州轻工业大学副教授,博士,主要研究方向为高分子水凝胶、功能高分子材料.;

基金项目: 国家自然科学基金项目（21474092）；河南省留学归国人员择优资助项目（002422）
中图分类号: TB332

Study on preparation and properties of gelatin/polymethacrylic acid composite hydrogel

College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
Received Date: 2020-03-30

CLC number: TB332

摘要: 以天然高分子明胶、甲基丙烯酸（MAA）为原料，以过硫酸铵（APS）为引发剂，通过自由基聚合法制备了明胶/聚甲基丙烯酸（明胶/PMAA）复合水凝胶，并研究了不同组分质量比对该复合水凝胶导电性能、流变性能、力学性能等的影响.结果表明：随着MAA用量的增加，复合水凝胶的电导率可增至6.52×10^-3 S/cm，且其电导率随其形变不同而发生变化，具有良好的机械应变响应能力；当m（明胶）：m（MAA）=12：10时，复合水凝胶G₁₂PA₁₀的流变性能和力学性能最好，其储能模量G'约为18.0 kPa，拉伸强度为77.3 kPa，断裂伸长率为340%，压缩模量为2.37 MPa；随着MAA用量的增大，明胶/PMAA复合水凝胶在去离子水中的溶胀平衡时间、溶胀平衡率变化趋势与在PBS缓冲液中基本一致，但当MAA用量较低时，明胶/PMAA复合水凝胶在PBS缓冲液中的溶胀平衡率略有增大.
- 明胶/聚甲基丙烯酸复合水凝胶 /
- 自由基聚合法 /
- 导电性能 /
- 流变性能 /
- 力学性能
Abstract: Using nature polymer gelatin and methacrylic acid (MAA) as raw materials,and ammonium persulfate (APS) as an initiator,a gelatin/polymethacrylic acid (gelatin/PMAA) composite hydrogel was synthesized via free radical polymerization.The effects of different component mass ratios on the conductive properties,rheological properties and mechanical properties of the composite hydrogel were studied.The results showed that the conductivity of the composite hydrogels adjusted to 6.52×10^-3 S/cm with the dosage of MAA increasing.The conductivity also varied with the deformation of the hydrogel,making gelatin/PMAA composite hydrogel in terms of strain sensor have great potential applications.When the gelatin/PMAA composite hydrogel contained gelatin of 12% and MAA of 10%,named G₁₂PA₁₀,it exhibited optimal rheological properties and mechanical properties:storage modulus G' was up to 18.0 kPa,elongation at break was 340%,and compression modulus was 2.37 MPa.As the dosage of MAA increased,the swelling equilibrium time and swelling equilibrium rate of the gelatin/PMAA composite hydrogel in deionized water were basically the same as those in PBS buffer.But when the dosage of MAA was lower,the swelling equilibrium rate of gelatin/PMAA composite hydrogel in PBS solution increased slightly.
- gelatin/polymethacrylic acid composite hydrogel /
- free radical polymerization /
- conductive property /
- rheological property /
- mechanical property
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沈阳化工大学材料科学与工程学院沈阳 110142

明胶/聚甲基丙烯酸复合水凝胶的制备及其性能研究

作者简介: 刘瑞雪(1971-),女,河南省范县人,郑州轻工业大学副教授,博士,主要研究方向为高分子水凝胶、功能高分子材料.;

Study on preparation and properties of gelatin/polymethacrylic acid composite hydrogel

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通讯作者: 陈斌, bchen63@163.com

明胶/聚甲基丙烯酸复合水凝胶的制备及其性能研究

作者简介:刘瑞雪(1971-),女,河南省范县人,郑州轻工业大学副教授,博士,主要研究方向为高分子水凝胶、功能高分子材料.

English Abstract

Study on preparation and properties of gelatin/polymethacrylic acid composite hydrogel

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明胶/聚甲基丙烯酸复合水凝胶的制备及其性能研究

作者简介: 刘瑞雪(1971-),女,河南省范县人,郑州轻工业大学副教授,博士,主要研究方向为高分子水凝胶、功能高分子材料.;

Study on preparation and properties of gelatin/polymethacrylic acid composite hydrogel

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通讯作者: 陈斌, bchen63@163.com

明胶/聚甲基丙烯酸复合水凝胶的制备及其性能研究

作者简介:刘瑞雪(1971-),女,河南省范县人,郑州轻工业大学副教授,博士,主要研究方向为高分子水凝胶、功能高分子材料.

English Abstract

Study on preparation and properties of gelatin/polymethacrylic acid composite hydrogel

目录