甲基丙烯酸聚乙二醇_400_单酯的合成_王素娟.pdf

第27卷　第2期 　　　　　　　　 总第118期 Vol.27 　No.2 Journal of Materials Science Engineering Apr .2009 :1673-2812(2009)02-0250-05 (400) 1 1, 2 1, 2 , 　 , (1., 　621010;2., 　621010) 　　【　】　、、、 50% (400), -, 。 ;。 : 3%(5%), 。 【】　;;; :T 317　　　　:A Synthesis of Methacrylate Polyglycol(400)Monoester 1 1, 2 1, 2 WANG S -j an , YAN Y n , HU Zhi-h a (1.So thwest University of Science and Technology, Mianyang　621010, China; 2.Key Laboratory for Advanced B ilding Materials of Sich an Province, Mianyang　621010, China) 【Abstract】　Methacrylate Polyglycol(400)Monoester was synthesized by strictly controlling acid/alcohol ratio, catalyst, inhibitor, temperature and 50% esterify degree.Silicagel was used to replace traditional poisonous water-carrying agent, in order to avoid separating organic solution in later and poisonous substance polluting environment.The structure of macromonomer was characterized by FT-IR and the value of unsaturated monomers was measured.The result indicate variation of double bond is 3%, which confirmed that experimentation was well-balanced and the macromonomers were esterified product. 【Key words】　methacrylate polyglycol monoester;esterification;reaction mechanism;esterification degree , :(1) 1　前　言 , 。 , 、 。 , , 、、、 。 、, 。 。 (2) 。 , [1] , 。 , 。 , ,