环氧树脂改性酚醛型氰酸酯树脂的研究  

Study of Epoxy Resin Modified Novolac Cyanate Ester Resin

作　　者：梁岩 杨澜义 陈铁 艾山川 张冲冲 林鹏 

机构地区：[1]黑龙江工程学院材料与化学工程学院,哈尔滨150050

出　　处：《纤维复合材料》2017年第3期17-20,共4页Fiber Composites

基　　金：大学生创新创业训练计划项目(201511802025);哈尔滨市应用技术研究与开发项目(2015RAQXJ059)

摘　　要：用E-51环氧树脂对酚醛型氰酸酯树脂(n-CE)进行增韧改性,研究了改性n-CE树脂体系的凝胶时间,采用示差扫描量热法(DSC)研究了改性n-CE树脂体系的反应活性及固化工艺,通过热重分析法(TGA)分析了不同含量E-51环氧树脂改性n-CE后固化物的热性能,并测定了体系的吸水率及力学性能。结果表明,随着E-51环氧树脂用量的增加,n-CE改性体系的反应活性逐渐提高,固化温度逐渐降低;体系的韧性增加;改性后材料的起始热分解温度均在300℃以上,吸水率均低于2%。Novolae eyanate ester resin （n -CE） was modified by E -51 epoxy resin. The gel time curves of E -51 modified n - CE systems were determined and the reactivity and curing process of the modified systemswere also studied by DSC. The thermal properties of E -51 modified n -CE euredproduets were investigated by TGA. The water absorption and mechanical properties of cured products were also tested. The results showed that the reactivity of the modified systems was decreased and the curing temperature was decreasedgradually with the increasing of E -51 amounts, the toughness of eya- nate ester resin system was increased. The initial thermal decomposition temperatureof modified materials were more than 300 ~C and the water absorption were less than 2%.

关 键 词：酚醛型氰酸酯树脂 E-51型环氧树脂 改性 耐热性 力学性能 

分 类 号：TQ323.1[化学工程—合成树脂塑料工业]