阻燃共聚酯/粘土复合物热降解动力学研究  

Kinetics of thermal degradation of flame-retardant coployesters/clay composites

作　　者：彭登轩[1] 李惟一[2] 葛欣国[1] 王德义[1] 杨冰[1] 赵国明[1] 王玉忠[1] 

机构地区：[1]四川大学化学学院降解与阻燃高分子材料研究中心,四川成都610064 [2]宜宾学院化学化工系,四川宜宾644007

出　　处：《化学研究与应用》2004年第6期754-756,共3页Chemical Research and Application

基　　金：国家自然科学基金资助项目(50173016)

摘　　要：用插层共聚方法合成了含磷共聚酯/粘土复合物。用热重(TG)方法考察热降解动力学。通过在空气中以不同的升温速率升温至设定温度,用Kissinger法和Hymn Wall Ozawa法对数据进行处理。结果表明,粘土组分含量较高的反应活化能较大,热稳定性较好。The thermal decomposition behaviors of phosphorus-containing coployesters/clay composites were studied using a conventional dynamic thermogravimetric analysis (TG) in a flowing air atmosphere at several hearing rates between 10℃ and 40℃/min. The activation energy was determined by using Kissger method and Flynn-Wall-Ozawa method without the knowledge of reaction mechanism(RM), giving the values 135kJ/mol with the clay content of 2wt% and 159.79kJ/mol with the clay content of 5wt%. The results showed that the thermal stability of the flame retardant coployesters/clay composites was enhanced with the increase of clay content.

关 键 词：热降解动力学 含磷共聚酯 粘土 反应活化能 

分 类 号：O657.99[理学—分析化学]