States of Water in Hydrogels Containing with Glyceryl Methacrylate
LI Qin-hua
LIU Li
HUANG Zhi-rong
LIN Dong-qing
摘要：Hydrogel materials were prepared by thermopolymerization with different content of glyceryl methacrylate and hydroxyethyl methacrylate. The different states of water in swelling hydrogels were described and studied by differential scanning calorimetry (DSC). It was found that the hydrophilicity of GMA was stronger than HEMA, the water content and bound water of GMA hydrogel are higher than HEMA hydrogel. With the increase of GMA content, the content of free water in hydrogel increased. When GMA content was lower than 50%, the increase of GMA content also increased the content of bound water; but when GMA content was higher than 50%, the increase of GMA content decreased the content of bound water, which was caused by the chain hydrogen bond formed on the GMA chain with hydroxyl group each other.
机标关键词：differential scanning calorimetrybound waterhydroxyl groupwater contenthydrogen bondfree water
分类号：TQ225.2(基本有机化学工业)
论文发表日期：2014-01-01
在线出版日期：2025-08-15（本平台首次上网日期，不代表文献的发表时间）
页数：9( 20-28 )
英文信息