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Burning behavior and thermal degradation kinetics of surface photografted polyamide 6.6 fabric

Authors

  • Wei Liu,

    1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, China
    2. Sichuan Fire Research Institute of Ministry of Public Security, Chengdu, China
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  • Sheng Zhang,

    Corresponding author
    • Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, China
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  • Serge Bourbigot,

    Corresponding author
    • Equipe Ingénierie des Systèmes Polymères Ecole Nationale Supérieure de Chimie de Lille (ENSCL), Villeneuve d'Ascq Cedex, France
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  • Jun Sun,

    1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, China
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  • Lihua Yu,

    1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, China
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  • Qingli Feng,

    1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, China
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  • Xiaosui Chen,

    1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, China
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  • Xinjun Zhu

    1. Hongyu-BUCT Joint-Research Center of Short Fiber Preprocessing Technique, Beijing University of Chemical Technology, Beijing, China
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Sheng Zhang, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China.

E-mail: sheng1999@yahoo.com

Serge Bourbigot, Equipe Ingénierie des Systèmes Polymères Ecole Nationale Supérieure de Chimie de Lille (ENSCL), BP 90108 59652, Villeneuve d'Ascq Cedex, France.

E-mail: serge.bourbigot@ensc-lille.fr

Abstract

Surface photografting with 2-hydroxyethyl methacrylate phosphate has been used to improve the flame retardancy of polyamide 6.6 fabrics. Limiting oxygen index tests and vertical burning tests were used to characterize the fire performance. The highest limiting oxygen index value of the grafted sample can reach up to 31.2, which is 58% higher than that of the ungrafted fabric. The thermal stability and char morphology of the polyamide 6.6 fabrics have been characterized by the thermogravimetric analysis and scanning electron microscopy analysis. Kinetic analysis on fabric samples was investigated, and the results show that the activation energy of the grafted sample is higher than that of the ungrafted fabric. Copyright © 2012 John Wiley & Sons, Ltd.

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