Effect of particle size on the flame retardancy of poly(butylene succinate)/Mg(OH)2 composites

Fire Mater. 2016      pdf: Click here

Poly(butylene succinate)/magnesium hydroxide (PBS/Mg(OH)2) composites were prepared by melt compounding to investigate the effect of particle size on the flame retardancy of PBS. Their flammability properties were investigated by limiting oxygen index, UL-94, and cone calorimeter tests, which suggested that the medium-sized Mg(OH)2-5 μm displayed the best flame retardancy. The residual char structure were analyzed and indicated that Mg(OH)2-5 μm could form a better protective layer than other sized particles, leading to the better flame retardancy to PBS.

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