4.7 Article

Effect of concentration of ATH on mechanical properties of polypropylene/aluminium trihydrate (PP/ATH) composite

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ELSEVIER
DOI: 10.1016/S1003-6326(14)63292-1

关键词

aluminium trihydrate; polypropylene; composite; fire retardant; fracture toughness; mechanical strength

资金

  1. National Research Foundation of Korea (NRF) Grant - Korea Government (MEST) [2012-0009455, 2012-0008302]

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Aluminium trihydrate (ATH) is being extensively added to polypropylene (PP) to make a fire retardant composite. Blends of PP/ATH composite are more fire resistant as compared to pure PP. Percentage proportion of both the constituents in the final composite depends upon the application. Improvement in the fire retardant properties of such composites have been studied and published in literature but effects on mechanical strength have not been addressed. The effect of concentration of ATH on the strength of PP/ATH composite was presented. The tensile, flexural and fracture properties were studied and discussed. Experimental tests, ASTM analytical formulae and finite element approach were used. It has been found that increase in ATH has an inverse effect on the mechanical strength.

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