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Functionalization of cellulosic fibers with a kaolinite-TiO2 nano-hybrid composite via a solvothermal process for flame retardant applications

Abstract : Eco-responsible flame retardant treatments with some resistance to washing are of considerable interest in the sale and applications of technical garments and home textiles. Thus, in the present study, a nano-hybrid composite based on kaolinite-TiO2 was prepared and incorporated into the fibers of cotton fabric through a more sustainable route compared to existing commercial processes. SEM analyses revealed a mineral covering of the treated cotton fibers, which do not propagate flames when exposed to fire and have a self-extinguishing behavior after the heat source removal. The method proved to be efficient in obtaining a cotton product with high fireproof performance. It was observed that after functionalization, the fabric showed a thermal degradation 41% less at 800 °C, an increase in the residue formation, and a reduction of about 85% in peak heat release measured by PCFC. Some resistance to washing was noticed, and the mechanical resistance of fibers was preserved.
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https://hal.mines-ales.fr/hal-03212272
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Submitted on : Thursday, April 29, 2021 - 2:42:25 PM
Last modification on : Wednesday, October 20, 2021 - 1:23:05 AM

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Carlos Rafael Silva de Oliveira, Marcos Batistella, Selene Maria de Arruda Guelli Ulson de Souza, Antônio Augusto Ulson de Souza. Functionalization of cellulosic fibers with a kaolinite-TiO2 nano-hybrid composite via a solvothermal process for flame retardant applications. Carbohydrate Polymers, Elsevier, 2021, 266, pp.118108. ⟨10.1016/j.carbpol.2021.118108⟩. ⟨hal-03212272⟩

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