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. 2023 Jun 28;28(13):5062. doi: 10.3390/molecules28135062

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Flame-retardant performances of the PAN fibers film combining FLBP. (a) A SEM image of FLBP@PAN. The bright sheets were FLBP. (b) STEM-EDS elemental mappings of a fiber in FLBP@PAN. FLBP in the fiber. (c) Ignitability tests of the FLBP@PAN (up) and blank PAN fiber films. Combustion times shortened and products (marked by yellow) increased in FLBP. (d) The SET values of FLBP@PAN with different addition contents of FLBP. (e) The SET values of FLBP@PAN, RPnp@PAN, TPP@PAN, and blank PAN fiber film. The phosphorus contents in FLBP@PAN, RPnp@PAN, and TPP@PAN were similar, ~8 wt.%.