Flame Retardant Low Density Polyethylene with Aluminium Hydroxide/ Commercial Fire Retardants FR01 Synergistic System

Ni Na Wang; Ding Han Xiang; Pin Shu Mo; Yi Lu

doi:10.4028/www.scientific.net/AMR.652-654.485

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Flame Retardant Low Density Polyethylene with...

Flame Retardant Low Density Polyethylene with Aluminium Hydroxide/ Commercial Fire Retardants FR01 Synergistic System

Abstract:

Low density polyethylene (LDPE) was modified by the addition of commercial fire retardants FR01 and aluminium hydroxide (ATH). ATH/FR01/LDPE composites were prepared by melt blending and extrusion in a twin-screw extruder. ATH was first modified by a silane coupling agent KH550 then added to LDPE. The flame retardancy, electrical property and thermal behavior of the LDPE composites were investigated by limiting oxygen index (LOI), volume resistivity and thermogravimetric analysis (TGA), respectively. The results indicated that the surface modification of ATH (M-ATH) could greatly improve the dispersibility and compatibility with LDPE matrix. The mechanical property tests showed good mechanical properties of composite, compared with unmodified one, tensile strength and elongation of M-ATH/LDPE were all improved, and the addition of FR01 improved the flame retardancy of ATH/LDPE remarkably. TGA results demonstrate that char yield of M-ATH/FR01/LDPE (30/15/70) reaches 27 wt% at 600 °C in Ar atmosphere.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

485-489

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.485

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Online since:

January 2013

Authors:

Ni Na Wang, Ding Han Xiang, Pin Shu Mo, Yi Lu

Keywords:

Aluminium Hydroxide, Flame Retardant, LDPE, Thermal Stability

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