Anti-dripping Flame Retardancy and Mechanical Properties of Polylactide/Ammonium Polyphosphate/Rayon Fiber Composites 


Vol. 25,  No. 12, pp. 4633-4640, Dec.  2024
10.1007/s12221-024-00784-1


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  Abstract

Polylactide (PLA) composites containing a flame retardant, ammonium polyphosphate (APP), and short rayon fiber were prepared by direct melting compounding in a brabender. The limiting oxygen index of the neat PLA sample was only 20.5%, which was increased to 29% by adding 15 wt% APP and 15% rayon to the PLA matrix (sample A15R15) as an example. During the UL-94 vertical flammability test, flame dripping was further avoided by adding the rayon fiber, and a V-0 rating was achieved. The char residue determined by thermogravimetric analysis increased with increasing APP content in the PLA composites. However, the PLA composite revealed a loss in mechanical tensile modulus and strength due to the APP addition, which was improved when rayon fiber was added to replace a portion of APP.

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  Cite this article

[IEEE Style]

K. Cheng, T. Wan, C. Kang, S. Tseng, "Anti-dripping Flame Retardancy and Mechanical Properties of Polylactide/Ammonium Polyphosphate/Rayon Fiber Composites," Fibers and Polymers, vol. 25, no. 12, pp. 4633-4640, 2024. DOI: 10.1007/s12221-024-00784-1.

[ACM Style]

Kuo-Chung Cheng, Tsung-Chieh Wan, Chung-Yu Kang, and Sheng-Mao Tseng. 2024. Anti-dripping Flame Retardancy and Mechanical Properties of Polylactide/Ammonium Polyphosphate/Rayon Fiber Composites. Fibers and Polymers, 25, 12, (2024), 4633-4640. DOI: 10.1007/s12221-024-00784-1.

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