Synthesis and Degradation Properties of Heat-resistant Polymer based on Cyclotriphosphazene
[摘要] The thermal performance and the decomposition mechanism of the cyclotriphosphazene based homopolymer were investigated by means of TGA, DTG and integrated TG/FTIR analysis. The thermal decomposition of the homopolymer between 100 and 800 °C includes two stages; the initial degradation temperature of the first stage is about 377 °C with the 292 kJ/mol of average decomposition activation energy. Accordingly, the possible thermal decomposition mechanism of the homopolymer was proposed. In addition, the LOI (34.3 %) calculated from the amount of char remaining indicates the homopolymer is self-extinguishing in air.
[发布日期] [发布机构] School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan; 430073, China^1;School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan; 430074, China^2
[效力级别] 材料科学 [学科分类]
[关键词] Cyclotriphosphazenes;Decomposition activation energy;Decomposition mechanism;Degradation temperatures;Heat-resistant polymers;Self-extinguishing;Thermal decomposition mechanism;Thermal Performance [时效性]
