氨基硅烷改性双马来酰亚胺树脂的研究  

Study on bismaleimide resin modified by aminosilane

作　　者：杨菲[1] 陈立新[1] 贠瑾 

机构地区：[1]西北工业大学理学院应用化学系,陕西西安710129

出　　处：《中国胶粘剂》2014年第7期33-36,共4页China Adhesives

摘　　要：以对氨基苯酚和二甲基二氯硅烷为原料,在四氢呋喃(THF)/甲苯混合溶剂中,采用一步法合成了二(p-氨基苯氧基)二甲基硅烷(p-APDS);然后以p-APDS和环氧树脂(EP)作为4,4′-双马来酰亚胺基二苯甲烷(BDM)的改性剂,对改性BDM的力学性能和热性能进行了分析。研究结果表明:p-APDS改性BDM的玻璃化转变温度(Tg)可达到226℃,比DDS(二氨基二苯基砜)改性BDM提高了20℃,说明前者的耐热性更好;p-APDS改性BDM浇铸体的韧性也得到了提高,其冲击强度为38.52 kJ/m2、弯曲强度为120.54 MPa。With p-aminophenol and dimethyldichlorosilane as raw materials,a bis（p-aminophenoxy）dimethyl silane（p- APDS）was synthesized by one- step method in tetrahydrofuran（THF）/methylbenzene mixed solvent.Then,with p- APDS and epoxy resin（EP）as modifier of 4,4′- bismaleimide diphenylmethane（BDM）,the mechanical properties and thermal properties of modified BDM were analysed. The research results showed that the p-APDS modified BDM had better thermostability because its glass transition temperature（Tg）,which was 226 ℃,was 20 ℃ more than that of DDS（diamino diphenyl sulfone）modified BDM. The toughness of p-APDS modified BDM casting was enhanced,its impact strength was 38.52 kJ/m2,and bending strength was 120.54 MPa.

关 键 词：二(p-氨基苯氧基)二甲基硅烷 双马来酰亚胺 环氧树脂 增韧 改性 耐热性 

分 类 号：TQ323.9[化学工程—合成树脂塑料工业]