光敏预聚物丙三醇三缩水甘油醚三丙烯酸酯的合成  

Synthesis of Glycerin Triglycidyl Ether Triacrylate—a Photosensitive Prepolymer

作　　者：黄笔武[1] 莫健华[1] 黄树槐[1] 

机构地区：[1]华中科技大学材料学院塑性成形模拟及模具技术国家重点实验室,湖北武汉430074

出　　处：《精细化工》2004年第10期778-781,共4页Fine Chemicals

基　　金：湖北省科委重点科技研究基金资助项目(2001P0205)~~

摘　　要：以N,N 二甲基苄胺为催化剂、对羟基苯甲醚为阻聚剂,用丙三醇三缩水甘油醚和丙烯酸为主要原料合成了一种新型光敏预聚物———丙三醇三缩水甘油醚三丙烯酸酯。研究了反应温度,阻聚剂、催化剂用量等因素对反应的影响,优化的合成反应条件是温度90～110℃、N,N 二甲基苄胺的质量分数为0 80%～1 00%、对羟基苯甲醚的质量分数为0 20%～0 40%。把所合成的光敏预聚物加入光引发剂配成了光固化涂料,对其紫外光固化涂料膜进行了拉伸实验,测得其拉伸强度为27 14MPa,弹性模量946 85MPa,断裂伸长率3 72%。A novel photosensitive prepolymer glycerin triglycidyl ether triacrylate was synthesized using glycerin triglycidyl ether and acrylic acid as main raw materials,N,N-dimethylbenzylamine as catalyst and p-hydroxyanisole as inhibitor.The preferable synthesizing conditions are reaction temperature 90～110 ℃,w(catalyst)=0.80%～1.00% and w(inhibitor)=0.20%～0.40%.Initiator was added to the synthesized glycerin triglycidyl ether triacrylate to prepare the UV-curing coating.The tensile test was performed for its UV-cured films,giving tensile strength 27.14 MPa,modulus of elasticity 946.85 MPa and elongation rate at break 3.72%.

关 键 词：丙三醇三缩水甘油醚 丙烯酸 丙三醇三缩水甘油醚三丙烯酸酯 光敏预聚物 

分 类 号：TQ325.7[化学工程—合成树脂塑料工业]