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The effect of char on flame retardancy of cotton, flame retardant cotton and poly(m-phenylene isophthalamide) fabrics investigated by cone calorimeter

Xiansheng Zhang (College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, China)
Xianjing Du (College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, China)
Lili Wang (Research Institute of Marine Fiber Novel Materials, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao, China)
Meiwu Shi (Military Engineering Technology Institute of System Engineering Research, Academy of Military Science of the People’s Liberation Army, Beijing, China)

International Journal of Clothing Science and Technology

ISSN: 0955-6222

Publication date: 5 August 2019

Abstract

Purpose

The purpose of this paper is to investigate the effect of char on the flame retardancy of fabrics by a cone calorimeter, which is an important factor to compare the flame retardancy of different fabrics.

Design/methodology/approach

Cone calorimeter measurements were carried out in a Fire Testing Technology (UK) apparatus at the heat fluxes of 50 and 75 kW/m2. Fabrics with one and three layers were employed, with the name of cotton1, cotton3, FR cotton1, FR cotton3, PMIA1 and PMIA3. The dimension of the fabric was 100×100 mm2. A cross-steel grid was used to prevent the fabrics from curling during burning. The distance between the bottom of the cone heater and the top of the sample was 25 mm.

Findings

This work was generously supported by National Key R&D Program of China (Project No. 2017YFB0309000), Natural Science Foundation of Shandong Province of China (Project No. ZR2019BEM026), Natural Science Foundation of China (Project No. 51803101) and China postdoctoral science foundation funded project (Project No. 2018M632619).

Originality/value

The present research provides insight into the effect of the char formation on the flame retardancy of the fabrics, and a method to comprehensively investigate the char influence in the flame retardancy of the fabrics by a cone calorimeter is proposed.

Keywords

Acknowledgements

This work was generously supported by National Key R&D Program of China (Project No. 2017YFB0309000), Natural Science Foundation of Shandong Province of China (Project No. ZR2019BEM026), National Natural Science Foundation of China (Project No. 51803101) and China postdoctoral science foundation funded project (Project No. 2018M632619).

Citation

Zhang, X., Du, X., Wang, L. and Shi, M. (2019), "The effect of char on flame retardancy of cotton, flame retardant cotton and poly(m-phenylene isophthalamide) fabrics investigated by cone calorimeter", International Journal of Clothing Science and Technology, Vol. 31 No. 4, pp. 532-543. https://doi.org/10.1108/IJCST-08-2018-0103

Publisher

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Emerald Publishing Limited

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