快速响应温敏水凝胶研究进展

Advances in Fast Response Thermosensitive Hydrogels

温敏水凝胶是一类具有广泛应用前景的高分子材料,但是由于传统方法合成的水凝胶响应速率较慢因而限制了其应用,因此近年来围绕提高传统水凝胶的响应速率做了大量研究工作。本文从几个方面综述了近年来快速响应的温敏水凝胶的研究进展,并对有关现象进行了解释和说明。

Thermosensitive hydrogels are a kind of funcrtional polymer materials with widely potential applications, which is limited due to the slow response rate for conventional hydrogels. Recently many researches have been focused on improving the response rate of hydrogels. This paper reviewed the development of fast response thermosensitive hydrogels in recent years in several aspects： preparation of porous and eopolymer hydrogels, synthesis of comb-type grafted hydrogels and submieron hydrogel particles, using silane cross-linking agents, cold-treatment or cold polymerization/crosslinking reaction, and other techniques. Some phenomena of these hydrogels were discussed as well.