半芳香族尼龙6I/6T的合成及表征  

Synthesis and Characterization of Semi-Aromatic Nylon 6I/6T

作　　者：刘羽玲 马立群 刘冰肖 李媛 孟佩玉 谭善兴 刘显勇 王忠强 Liu Yuling;Ma Liqun;Liu Bingxiao;Li Yuan;Meng Peiyu;Tan Shanxing;Liu Xianyong;Wang Zhongqiang(Guangdong Sinoplast Advanced Plastic Co.,Ltd.,Dongguan 523860,China;Taiyuan Institute of Technology,Taiyuan 030051,China)

机构地区：[1]广东中塑新材料股份有限公司,广东东莞523860 [2]太原工业学院,山西太原030051

出　　处：《广东化工》2024年第22期36-39,共4页Guangdong Chemical Industry

基　　金：2023年中塑公司-太原工业学院产学研合作项目(820668)。

摘　　要：本文以己二胺、间苯二甲酰氯和对苯二甲酰氯为原料,通过界面聚合预聚+固相缩聚法制备得到了聚间苯二甲酰/对苯二甲酰戊二胺的共聚物(PA6I/6T)。采用傅里叶红外光谱和氢核磁共振波谱对其结构进行了确认,通过乌氏粘度计对其相对粘度进行了测试,在此基础上,利用热重分析仪对共聚物的热分解温度及降解动力学进行了分析。结果显示,共聚物相对粘度为1.429;热分解5%温度,最大热降解速率温度均随着升温速率增加而逐渐升高;其热降解机理函数类型为二维扩散(D2)。This article uses hexamethylene diamine,meta phthaloyl chloride,and para phthaloyl chloride as raw materials to prepare poly(meta phthaloyl/para phthaloyl) pentane diamine copolymers(PA6I/6T) through interface polymerization pre polymerization+solid-phase condensation method.The structure of the copolymer was confirmed using Fourier transform infrared spectroscopy and hydrogen nuclear magnetic resonance spectroscopy,and its viscosity was tested using a Ubbelohde viscometer.Based on this,the thermal decomposition temperature and degradation kinetics of the copolymer were analyzed using a thermogravimetric analyzer.The results showed that the relative viscosity of the copolymer was 1.429;The temperature of thermal decomposition is 5 %,and the maximum temperature of thermal degradation rate gradually increases with the increase of heating rate;Its thermal degradation mechanism function type is D2(Two-dimensional diffusion,valensi equation).

关 键 词：尼龙6I/6T 界面聚合 固相缩聚 半芳香族尼龙 半芳香族聚酰胺 

分 类 号：TQ322.3[化学工程—合成树脂塑料工业]