| 共聚物水凝胶温度及pH敏感行为的研究 |
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| 引用本文： | 谭帼馨,崔英德. 共聚物水凝胶温度及pH敏感行为的研究[J]. 功能材料, 2004, 35(4): 524-526 |
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| 作者姓名： | 谭帼馨 崔英德 |
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| 作者单位： | 广东工业大学,轻工化工学院,广东,广州,5110080;仲恺农业技术学院,广东,广州,510225 |
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| 基金项目： | 国家自然科学基金资助项目(29976007)，广东工业大学青年基金资助项目(012025) |
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| 摘 要： | 用自由基聚合法合成了NVP／HEMA和NVP／HEMA／AAm共聚物水凝胶材料，研究了温度、pH值、离子强度等因素对凝胶溶胀性能的影响。结果表明水凝胶的溶胀度随着温度的升高而减少；水凝胶在酸性溶液中溶胀，在碱性溶液中收缩，显现出良好的pH值敏感性；水凝胶的溶胀度随着离子强度的增加而减少。
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| 关 键 词： | 甲基丙烯酸β-羟乙酯 N-乙烯吡咯烷酮 丙烯酰胺 水凝胶 温敏性 |
| 文章编号： | 1001-9731(2004)04-0524-03 |
| 修稿时间： | 2003-09-18 |
The stuey of polymer hydrogels on thermresponsive and pH-sensitive |
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| TAN Guo-xin,CUI Ying-de. The stuey of polymer hydrogels on thermresponsive and pH-sensitive[J]. Journal of Functional Materials, 2004, 35(4): 524-526 |
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| Authors: | TAN Guo-xin CUI Ying-de |
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| Affiliation: | TAN Guo-xin~1,CUI Ying-de~2 |
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| Abstract: | Hydrogel material was synthesized by copolymerization of NVP, HEMA and AAm. The influence of temperature, pH and ionic intensity was investigated in detail. The result showed that the swelling ratio of the hydrogels decreased with the temperature and ionic intensity increasing. In acid medium, the swelling ratio of the copolymer hydrogels was more than that of in alkaline medium. |
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| Keywords: | 2-hydroxyethyl methacrylate N-vinyl pyrrolidone acrylamide hydrogel thermoresponsive |
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