超支化聚(胺-酯)的合成及其光固化反应的研究  

Synthesis of Hyperbranched Poly(Amine-Ester) and Study of Its UV-Curing Reaction

作　　者：于培盈[1] 郑亚萍[1] 石伟[1] 张娇霞[1] 杨晓东[1] 兰岚[1] 

机构地区：[1]西北工业大学理学院应用化学系,陕西西安710072

出　　处：《西北工业大学学报》2010年第4期637-642,共6页Journal of Northwestern Polytechnical University

基　　金：西北工业大学第二届基础研究基金(W018105);研究生创业种子基金(Z200964)资助

摘　　要：以丙烯酸甲酯和二乙醇胺为原料制得N,N-二羟乙基-3-胺基丙酸甲酯单体,此单体再与核分子1,1,1-三羟甲基丙烷采用"一步法"缩聚合成一到六代端羟基超支化聚(胺-酯)。通过红外光谱(FTIR)、差示扫描量热分析(DSC)、热失重分析(TGA)等方法对其进行表征。分别用超支化聚(胺-酯)一、三、五代与甲基四氢苯酐、甲基丙烯酸缩水甘油酯(GMA)以及催化剂N,N-二甲基苄胺混合反应,生成可光固化型超支化聚(胺-酯),通过FTIR、DSC等分析方法对其表征,并确定主要反应机理为:①超支化聚(胺-酯)端羟基和甲基四氢苯酐反应生成端羧基;②超支化聚(胺-酯)端羧基与GMA中的环氧基反应将双键连接到超支化聚(胺-酯)上。Section 1 of the full paper explains the experimental method.Section 2 presents the experimental results and their discussion.Their core is： ＂we first synthesize N,N-diethylol-3-amine methylpropionate by using the Michael addition of methyl acrylate and diethanolamine;then we use the 1,1,1-trimethylolpropane as a core molecule and N,N-diethylol-3-amine methylpropionate as an AB2 monomer to prepare with the one-step method a series of hyperbranched poly（amine-ester）s,which are studied by using the IR,DSC,TGA methods and other chemical analytical methods.The modification of hyperbranched poly（amine-ester）s with glycidyl methacrylate and methyltetrahydro phthalic anhydride show fast photochemical cross linking with the photoinitiator added.＂ Same as above,we also study the modifying mechanism by the methods of IR,DSC and other chemical analytical methods.The experimental results show preliminarily that： the hydroxyl groups of hyperbranched poly（amine-ester） first react with methyltetrahydro phthalic anhydride and produce carboxyl groups,the carboxyl groups then react with the epoxy groups of glycidyl methacrylate and light-cured hyperbranched poly（amine-ester）s are prepared.

关 键 词：超支化聚合物 光固化 反应机理 甲基丙烯酸缩水甘油酯 

分 类 号：O633[理学—高分子化学]