期刊文献+

快速pH响应丝胶/聚甲基丙烯酸互穿网络水凝胶的合成及表征 被引量:11

Synthesis and Characterization of Fast pH-Responsive Silk Sericin/Poly(methacrylic acid) Interpenetrating Polymer Network Hydrogel
下载PDF
导出
摘要 采用同步互穿网络方法制备丝胶蛋白(SS)/聚甲基丙烯酸(PMAA)为组分的互穿网络(IPN)水凝胶.研究了互穿网络水凝胶对介质pH的刺激响应性能.结果表明,IPN水凝胶具有强烈的pH刺激响应性能.在pH=9.2的缓冲溶液中,—COOH解离成—COO-,渗透压与网络之间的静电排斥作用导致IPN的溶胀度增大;当pH减小时,溶胀度随之减小.IPN水凝胶具有快速退溶胀速率及可逆溶胀-收缩性能. Interpenetrating polymer networks(IPN) composed with poly(methaerylie acid) (PMAA) and silk sericin (SS) were prepared by the simuhaneous-IPN method. The swelling behavior of the resultant IPN hydrogels was studied at various pH values. The results show that the swelling ratios of the IPNs depend significantly on pH of the aqueous solutions. In pH = 9. 2, the IPNs have a higher swelling ratio due to the repulsion between --COO^- groups derived from --COOH of the polymer chains and the osmosis. However, the swelling ratios diminish with the decrease of pH values. All IPN hydrogels show a fast deswelling rate and reversible swelling-shrinking property.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2009年第4期830-834,共5页 Chemical Journal of Chinese Universities
基金 国家自然科学基金(批准号:20674069)资助
关键词 丝胶蛋白 聚甲基丙烯酸 PH敏感性 互穿网络 溶胀行为 Silk sericin Poly ( methacrylic acid) pH-sensitivity Interpenetrating polymer network Swelling behavior
  • 相关文献

参考文献5

二级参考文献63

  • 1金曼蓉,吴长发,张桂英,刘培毅,侯薇.聚N-烷基丙烯酰胺类凝胶及其温敏特性[J].高分子学报,1995,5(3):321-326. 被引量:33
  • 2王胜,杨黎明,陈捷,孙婕,李志军,王涛.聚乙烯醇/羧甲基壳聚糖共混水凝胶的辐射合成及性能[J].化学研究,2006,17(1):61-64. 被引量:4
  • 3[1]Zhang X. Z., Yang Y. Y., Wang F. J. et al.. Langmuir[J], 2002, 18: 2013-2018
  • 4[2]Zhang J. T., Cheng S. X., Huang S. W. et al.. Macromol. Rapid. Comunn.[J], 2003, 24: 447-451
  • 5[3]Shantha K. L., Harding D. R. K.. Int. J. Pharm.[J], 2000, 207: 65-704
  • 6[6]Schild H. G.. Prog. Polym. Sci.[J], 1992, 17: 163-249
  • 7[7]Hirokawa Y., Tanaka T.. J. Chem. Phys.[J], 1984, 81: 6379-6380
  • 8[8]Zhang X. Z., Zhuo R. X., Cui J. Z. et al.. Int. J. Pharm.[J], 2002, 235: 43-50
  • 9[9]Liu F., Tao G. L., Zhuo R. X.. Polym. J.[J], 1993, 25: 561-567
  • 10[10]Kurisawa M., Yokoyama M., Okano T.. J. Control. Rel.[J], 2000, 69: 127-137

共引文献190

同被引文献96

引证文献11

二级引证文献36

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部