氰酸酯复合泡沫的机械性能与耐热性能研究  

The Study on the Mechanical Performance and Heat Resistance of Cyanate Syntactic Foam

作　　者：崔宝军[1,2] 陈维君[1,2] 宋军军[1] 李刚[1,2] 耿庆生[1,2] 梁泰硕[1,2] 

机构地区：[1]黑龙江省科学院石油化学研究院,黑龙江哈尔滨150040 [2]黑龙江省科学院高技术研究院,黑龙江哈尔滨150020

出　　处：《化学与粘合》2015年第6期389-392,418,共5页Chemistry and Adhesion

基　　金：黑龙江省科学院科学研究基金项目

摘　　要：以氰酸酯树脂和中空玻璃微球为原料制备了复合泡沫。通过检测复合泡沫的剪切强度、平面拉伸强度以及压缩强度评价复合泡沫的机械性能。结果表明,复合泡沫的机械性能由玻璃微球的性质以及在复合泡沫中的含量决定。微球的密度越大,泡沫的机械性能越高,反之亦然。泡沫的力学性能与微球的含量几乎呈线性降低的关系。通过TG分析表明,复合泡沫的热性能主要由氰酸酯本身性质决定,起始分解温度为400℃,但在高温阶段,微球的存在加速了复合泡沫的分解速率。在180℃下经过30d热老化试验,复合泡沫的热失重不明显,但固化物的外观颜色加深。The syntactic foams were prepared with using cyanate resin and hollow glass microspheres as raw materials. The mechanical perfor- mance of the syntactic foams was evaluated by determining the tensile shear strength, plane tensile strength and compressive strength. The results showed that the mechanical performance was dominated by the character of hollow glass microspheres and its contents in the foams. The strength of the syntactic foam with high density hollow sphere was higher, and vice versa. The mechanical properties of the syntactic foam and the contents of hollow sphere were almost linearly reversely. The TG analysis indicated that the thermal property of the syntactic foam was dominated by the nature of cyanate resin, and the initial decomposition temperature was 400℃, but in the higher temperature stage, the existence of microsphere would accelerate the thermal decomposition rate. At 180℃ after 30 days heat aging test, the weight loss of the cyanate syntactic foam was not obvious, but the appear- ance color became darker.

关 键 词：氰酸酯 中空玻璃微球 复合泡沫 机械性能 耐热性能 

分 类 号：TQ322.41[化学工程—合成树脂塑料工业]