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Thermal oxidative degradation kinetics of novel intumescent flame-retardant polypropylene composites

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Abstract

Novel intumescent flame-retardant polypropylene (PP) composites were prepared based on a char-forming agent (CFA) and silica-gel microencapsulated APP (Si-MCAPP). The thermal oxidative degradation kinetics of pure PP and the flame-retardant PP composites were investigated using Kissinger method, Flynn–Wall–Ozawa method and Coats–Redfern method. The results show that the value of the activation energy of the samples has the same sequence that obtained by three methods. The sample with CFA/Si-MCAPP = 1:3 has highest activation energy, and pure PP has the lowest activation energy. The reaction orders of pure PP and flame-retardant PP composites are also calculated by Coats–Redfern method. The results of thermal oxidative degradation kinetics of flame-retardant PP composites provide useful date for understanding the flame-retardant behaviours of novel intumescent flame-retardant PP composites with different intumescent flame-retardant system.

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Acknowledgements

The work was financially supported by National Natural Science Foundation of China (No.51303004, U1332134), the Specialized Research Fund for the Doctoral Program of Higher Education of China (No.20133415120001), the revitalization plan of Anhui Province and Anhui Province Center of Collaborative Innovation for City Public Security.

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Authors and Affiliations

  1. Key Laboratory of Safety and High-efficiency Coal Mining Ministry of Education, School of Energy Resources and Safety, Anhui University of Science and Technology, Huainan, Anhui, 232001, China

    Shibin Nie, Can Zhou, Chao Peng, Chi Zhang, Xiang Dong & De-yi Wang

  2. School of Mechanical Engineering, Southeast University, Nanjing, 211189, China

    Lei Liu

  3. IMDEA Mat Inst, C Eric Kandel 2, 28906, Madrid, Spain

    De-yi Wang

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  1. Shibin Nie
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  2. Can Zhou
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  3. Chao Peng
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  4. Lei Liu
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  5. Chi Zhang
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  6. Xiang Dong
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  7. De-yi Wang
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Correspondence to Shibin Nie or De-yi Wang.

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Nie, S., Zhou, C., Peng, C. et al. Thermal oxidative degradation kinetics of novel intumescent flame-retardant polypropylene composites. J Therm Anal Calorim 120, 1183–1191 (2015). https://doi.org/10.1007/s10973-015-4393-7

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  • DOI: https://doi.org/10.1007/s10973-015-4393-7

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