合成材料老化与应用2024，Vol.53Issue(6)：31-33,112,4.
憎水型水性聚氨酯的制备及性能研究
Preparation and Properties of Hydrophobic Waterborne Polyurethane
摘要
Abstract
In order to solve the problems of water resistance and long-term durability of waterborne polyurethane materials,which contain a large number of hydrophilic groups,hydrophobic waterborne polyurethane(WPU)was prepared from 4,4-dicyclohexylmethane diisocyanate(HMDI),polytetrahydrofuran ether diol(PTMEG2000),dimethylolpropionic acid(DMPA),trimethylolpropane(TMP),diethylene triamine(DETA),silane coupling agent KH550 and perfluorodecyltriethoxysilane.The waterborne polyurethane was characterized by FTIR,gel chromatography(GPC),contact angle and thermogravimetric analysis(TGA),and its physical and chemical properties were studied.The results showed that KH550 and perfluorodecyltriethoxysilane were successfully introduced into the main chain of polyurethane,and the contact angle of gel film to water was 116.6 °,its water resistance,tensile properties and long-term salt water resistance have been greatly improved.关键词
水性聚氨酯/硅烷偶联剂/憎水/全氟癸基三乙氧基硅烷/耐盐水Key words
waterborne polyurethane/silane coupling agent/hydrophobic/perfluorodecyltriethoxysilane/salt water resistant分类
化学化工引用本文复制引用
陈小龙,马晓阳,吴贞贤,吉受玉,阮意星,杨涛..憎水型水性聚氨酯的制备及性能研究[J].合成材料老化与应用,2024,53(6):31-33,112,4.基金项目
清远市科技计划项目(210714094720882). （210714094720882）
