................................................................163.5.1 凝胶溶胀度的测定 ..............................................................16 3.5.2 凝胶透光率的测定 ..............................................................17 3.5.3 凝胶的相转变温度测定 ......................................................173.5.4 凝胶的粘度测定 ..................................................................183.5.5 红外特征检测 ......................................................................184 总结与展望 ................................................................................................20致谢 ……..........................................................................................................21参考文献 ..........................................................................................................22