环氧树脂复合材料发泡过程的演化机理研究  

Study on Evolution Mechanism in Foaming Process of Epoxy Resin Composite Material

作　　者：杨旭[1] 何敏[1] 王醴军 龚维[2] 何力[2] 于杰[2] 张纯[2,3] 

机构地区：[1]贵州大学材料与冶金学院,贵州贵阳550003 [2]国家复合改性聚合物材料工程技术研究中心,贵州贵阳550014 [3]贵州凯科特材料有限公司,贵州贵阳550014

出　　处：《塑料科技》2014年第1期48-51,共4页Plastics Science and Technology

基　　金：贵阳市科技计划2013/11/7项目(筑科合同[2012HK]209-16号;筑科合同[2012101]4-28号)

摘　　要：对环氧树腑复合体系化学发泡过程中的压力进行了测试，并利用显微镜对该体系的泡孔形核．长大及定型的发泡行为进行了观察，进而分析了环氯树腑复合材料发泡行为的内在机理。结果表明：当发泡温度在65-95℃区间时，发泡压力是影响泡孔结构参数及材料表观密度的主要因素；而当发泡温度超过95℃，气体的逸散则成为主要影响因泰。The pressures of chemical foaming process in epoxy composite system was tested, and observed the foaming behavior of cells nucleation, expanding, solidifying and shaping in the foaming system by a microscope. The mechanism of foaming behavior in epoxy foaming composite was investigated. The results show that when the foaming temperature is between 65 and 95℃, the foaming pressure becomes the main factor for the cell structure parameters and material apparent density, and when the foaming temperature exceeds 95℃, the gas dissipation becomes the main effect factor.

关 键 词：发泡行为 环氧树脂 发泡温度 机理 

分 类 号：TQ323.5[化学工程—合成树脂塑料工业]