A Green Water-Soluble Cyclophosphazene as a Flame Retardant Finish for Textiles

Mayer-Gall, Thomas LSF; Plohl, Dennis; Derksen, Leonie; Lauer, Dana; Neldner, Pia; Ali, Wael LSF; Fuchs, Sabine; Gutmann, Jochen Stefan LSF; Opwis, Klaus

Poly- and cyclophosphazenes are excellent flame retardants but currently, are not used as textile finishing agents because water-soluble and permanent washing systems are missing. Here, we demonstrate for the first time, the successful usage of a water-soluble cyclotriphosphazene derivative for textile finishing for cotton, different cotton/polyester, and cotton/polyamide blend fabrics. A durable finish was achieved using a photoinduced grafting reaction. The flame retardant properties of the various fabrics were improved with a higher limiting oxygen index, a reduced heat release rate, and an exhibition of intumescent. Furthermore, the finished textiles passed several standardized flammability tests.

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Mayer-Gall, T., Plohl, D., Derksen, L., Lauer, D., Neldner, P., Ali, W., Fuchs, S., Gutmann, J.S., Opwis, K., 2019. A Green Water-Soluble Cyclophosphazene as a Flame Retardant Finish for Textiles. https://doi.org/10.3390/molecules24173100
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