非离子型凝胶球在水中的溶胀行为

黄健; 黄志明; 包永忠; 翁志学

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非离子型凝胶球在水中的溶胀行为

机译：非离子型凝胶球在水中的溶胀行为

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机译：Acrylonitrile (AN) was copolymerized with N-isopropylacrylamide (NIPA) to synthesize thermosensitive bydrogels, and the on-off switch behavior of poly(NIPA-co-AN) hydrogels with different fraction of hydrophobic component (AN) was investigated. It is found that the lower critical solution temperature (LCST), the swelling ratio at certain temperature and the reswelling rate of poly(NIPA-co-AN) hydrogels decreased as AN unit fraction in copolymers increased. In order to improve the responsive rate of poly(NIPA-co-AN) hydrogels, they were further treated by surface crosslinking using N, N'-methylene bisacrylamide (BIS) as a crosslinking agent. The swelling and deswelling behaviors of these copolymers were compared with those of the untreated hydrogels. The results indicated that the responsive rate of poly(NIPA-co-AN) hydrogel was improved by surface crosslinking. The resulting hydrogels bearing cyano groups with fast response have potential applications in the field of drug-controlled release and immobilization of biomolecules.

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来源
《中国化学工程学报（英文版）》 |2006年第1期|87-92|共6页
作者
黄健; 黄志明; 包永忠; 翁志学;
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作者单位

State Key Laboratory of Polymer Reaction Engineering Zhejiang University Hangzhou 310027 China;

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收录信息中国科学引文数据库(CSCD);
原文格式 PDF
正文语种 chi
中图分类化学;
关键词
polymerization; hydrogel; rapid response;

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机译：溶胀凝胶的相变（29.水溶胀的温度依赖性和水中聚（N-乙烯基己内酰胺-co-1-乙烯基-2-吡咯烷酮）凝胶的力学行为）
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3. Swelling and deswelling pathways in non-ionic poly(N-isopropylacrylamide) hydrogels in presence of additives [J] . Dhara D., Chatterji PR. Polymer: The International Journal for the Science and Technology of Polymers . 2000,第16期

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非离子型凝胶球在水中的溶胀行为

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