阻燃环氧树脂/低分子聚苯醚材料的制备及性能  

Preparation and properties of flame retardant epoxy resin/low molecular weight polyphenylene ether materials

作　　者：单雪影[1] 李玲玉 张濛 张家傅 李锦春 SHAN Xueying;LI Lingyu;ZHANG Meng;ZHANG Jiafu;LI Jinchun(School of Safety Science and Engineering,Changzhou University,Changzhou 213164,Jiangsu,China;School of Materials Science and Engineering,Changzhou University,Changzhou 213164,Jiangsu,China)

机构地区：[1]常州大学安全科学与工程学院,江苏常州213164 [2]常州大学材料科学与工程学院,江苏常州213164

出　　处：《化工进展》2025年第3期1533-1541,共9页Chemical Industry and Engineering Progress

基　　金：江苏省基础研究计划(自然科学基金)(BK20230642);江苏省研究生科研与实践创新计划(SJCX23_1586)。

摘　　要：通过采用低聚磷酸酯阻燃剂双酚A双(二苯基)磷酸酯(BDP)对环氧树脂/低分子量聚苯醚(EP/PPO)复合材料改性,得到了EP/PPO/BDP阻燃复合材料。通过同惠LCR电桥、热重分析(TGA)、垂直燃烧(UL-94)、极限氧指数(LOI)、锥形量热和力学测试,研究液体阻燃剂BDP对EP/PPO复合材料介电性能、热降解性能、阻燃性能和力学性能的影响规律。结果表明,当BDP质量分数为10%时,复合材料的介电常数从2.81降低到1.27(2M);材料的初始降解温度略有降低,但高温下的残炭率明显增加;仅加入5%的BDP即可使EP/PPO材料达到UL-94 V-0,在很大程度上降低了EP的热释放速率、烟释放量和有毒气体释放量,有效降低了EP的危险火灾性;与此同时材料自身优良的力学性能得到保持,说明BDP与EP/PPO材料的相容性良好。EP/PPO/BDP flame retardant composites were prepared by modifying epoxy resin/the low molecular weight polyphenylene(EP/PPO)with bis(diphenyl)phosphate(BDP).Through LCR bridge,TGA,UL-94,LOI,cone calorimetry and mechanical tests,the effects of liquid flame retardant BDP on dielectric properties,thermal degradation properties,flame retardancy and mechanical properties of EP/PPO composites were studied.The results showed that the dielectric constant of the composites decreased from 2.81 to 1.27(2M)when the loading of BDP was 10%.Although the initial degradation temperature of the composites decreased slightly,the char residue increased obviously at the high temperature.Only adding 5%BDP could make EP/PPO materials reached UL-94 V-0,which reduced the heat release rate,the smoke release and the toxic gas release of EP to a great extent.The fire hazard of EP composites was effectively reduced at the same time.The excellent mechanical properties of the EP/PPO composites were maintained,which indicated that the compatibility of the BDP and the EP/PPO composites was good.

关 键 词：复合材料 热降解性能 介电性能 阻燃性能 力学性能 

分 类 号：TQ32[化学工程—合成树脂塑料工业]