Flame resistant properties of LDPE/PLA blends containing halogen‐free flame retardant

ABSTRACT In this study, mixing petroleum‐based low‐density polyethylene (LDPE) with biodegradable poly(lactic acid) (PLA) is used as polymer matrix. Boron compounds, metal hydroxides, melamine (MLM), ammonium polyphosphate (APP), and pentaerythritol (PER) were used as reinforcement materials to impr...

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Veröffentlicht in:	Journal of applied polymer science 2020-08, Vol.137 (32), p.n/a
Hauptverfasser:	Arslan, Figen, Dilsiz, Nursel
Format:	Artikel
Sprache:	eng
Schlagworte:	Biodegradability biodegradable Boron compounds Composite materials Fire resistance flame retardance Flame retardants Fourier transforms Hydroxides Infrared analysis Low density polyethylenes Materials science mechanical properties Mechanical tests Melamine Polylactic acid Polymer matrix composites Polymers thermal properties Thermogravimetric analysis thermoplastics
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Zusammenfassung:	ABSTRACT In this study, mixing petroleum‐based low‐density polyethylene (LDPE) with biodegradable poly(lactic acid) (PLA) is used as polymer matrix. Boron compounds, metal hydroxides, melamine (MLM), ammonium polyphosphate (APP), and pentaerythritol (PER) were used as reinforcement materials to improve flame resistance of polymer matrix. The composite materials were characterized by Fourier transform infrared spectroscopy, limiting oxygen index (LOI), thermogravimetric analysis, mechanical test, and scanning electron microscopy analyses. The LOI analysis showed that for samples, which included MLM, APP, and PER, the LOI values were dramatically improved. Especially, the LOI value of sample Q (LDPE80/PLA20/APP30/PER15/MLM15/ZB3) was enhanced about 95.17% compared to polymer mixing. © 2020 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48960.
ISSN:	0021-8995 1097-4628
DOI:	10.1002/app.48960