航空材料学报2011，Vol.31Issue(4)：69-73,5.DOI:10.3969/j.issn.1005-5053.2011.4.013
含氟聚醚醚酮改性环氧树脂形状记忆性质的动态热力学机理研究
Thermodynamic Property of Shape Memory Epoxy Resin Modified with 6F-PEEK
摘要
Abstract
The dynamic mechanics and phase separation behavior of epoxy with shape memory modified by fluorinated poly (ether ether ketone) terminated with -OH (6F-PEEK) was characterized by DMA and SEM respectively. DMA result shows that there are two glass transition temperatures in this material. The cured epoxy phase showing high Tg of 223℃ acts as hard-segment-forming phase and is responsible for the permanent shape. 6F-PEEK is used as switching phase for a thermally induced shape-memory effect. At the transition temperature of 150t , the chains of 6F-PEEK are moved, while the chains of cured epoxy are frozen, resulted in the shape memory effect of the blends. The bending angle of the resin was increased with increasing the content of 6F-PEEK.关键词
热力学/链段运动/变形温度/形状记忆Key words
thermodynamics/ chains moving/ transition temperature/ shape memory引用本文复制引用
高军鹏,何先成,安学锋,张晨乾,益小苏,党国栋,陈春海..含氟聚醚醚酮改性环氧树脂形状记忆性质的动态热力学机理研究[J].航空材料学报,2011,31(4):69-73,5.基金项目
国家973计划项目(2010CB631101) （2010CB631101）
