一种新型膨胀单体预聚物的制备及其改性BDM/DABPA 共混体的研究

复合材料科学与工程 ›› 2013, Vol. 0 ›› Issue (5): 14-17.

一种新型膨胀单体预聚物的制备及其改性BDM/DABPA 共混体的研究

周伟, 方俊, 刘育建, 张衍

华东理工大学材料科学与工程学院,特种功能高分子材料及相关技术教育部重点实验室,上海 200237

收稿日期:2012-09-26 出版日期:2013-08-28 发布日期:2022-03-15
通讯作者: 方俊(1968-),男,硕士,主要从事高性能树脂基复合材料及非金属复合材料研究。
作者简介:周伟(1987-),男,硕士,主要从事高性能树脂基体研究。

RESEARCH ON THE SYNTHESIS OF A NOVEL EXPANSION MONOMER PREPOLYMER AND ITS MODIFYING BLENDS OF BDM/DABPA

ZHOU Wei, FANG Jun, LIU Yu-jian, ZHANG Yan

Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education,School of Materials Science and Engineering, East China University of Science and Technology,Shanghai 200237,China

Received:2012-09-26 Online:2013-08-28 Published:2022-03-15

摘要/Abstract

摘要： 经两步法合成了螺环原碳酸酯膨胀单体3,9-二羟甲基-3,9-二乙基-1,5,7,11-四氧杂螺环[5. 5]十一烷,用2,4-甲苯二异氰酸酯(TDI) 与聚丙二醇(PPG) 合成端异氰酸酯基的聚氨酯预聚物,并使二者共聚制备新型膨胀单体预聚物。采用红外光谱、核磁共振、元素分析对产物进行了表征。将该膨胀单体预聚物加入到N,N'-(4,4'-二苯甲烷) 双马来酰亚胺(BDM) /3,3'-二烯丙基-4,4'-二苯丙烷(DABPA) 共混体系中,减少了BMI /DABPA 体系固化过程中的体积收缩。

关键词: 膨胀单体, 合成, 双马来酰亚胺, 体积收缩

Abstract: A spiro orthocarbonate expansion monomer 3,9-diethyl-3,9-dihydroxymethyl-1,5,7, 11-tetraoxaspiro[5. 5]undecane was synthesized by two steps,and then expansion monomer prepolymer was prepared by copolymerization of expansion monomer and the polyurethane prepolymer which was prepared with 2,4-toluene diisocyanate and propylene glycol. The pruducter was characterized by FT-IR spectra,1HNMR and element analysis. With the introduction of the expansion monomer prepolymer into the blends of N,N'-4,4'-diphenylmethane-bismaleimide (BMI) /O,O'-diallyl bisphenol A(DABPA), the volume shrinkage of the BMI /DABPA system was reduced.

Key words: expansion monomer, synthesisl bismaleimide, volume shrinkage

中图分类号:

TB332

周伟, 方俊, 刘育建, 张衍. 一种新型膨胀单体预聚物的制备及其改性BDM/DABPA 共混体的研究[J]. 复合材料科学与工程, 2013, 0(5): 14-17.

ZHOU Wei, FANG Jun, LIU Yu-jian, ZHANG Yan. RESEARCH ON THE SYNTHESIS OF A NOVEL EXPANSION MONOMER PREPOLYMER AND ITS MODIFYING BLENDS OF BDM/DABPA[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(5): 14-17.

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