Synergistic Effects of Nanoporous Nickel Phosphates VSB-1 on Intumescent Flame Retardant Polypropylene Composites

Chao Peng; Shi Bin Nie; Lei Liu; Qi Lin He; Yuan Hu; Fei Gao

doi:10.4028/www.scientific.net/AMR.881-883.863

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Synergistic Effects of Nanoporous Nickel Phosphates VSB-1 on Intumescent Flame Retardant Polypropylene Composites

Abstract:

Nanoporous nickel phosphates (VSB-1) was synthesized by hydrothermal method. Then VSB-1 was added to the ammonium polyphosphate and pentaerythritol system in polypropylene (PP) matrix.The synergistic effect of VSB-1 with intumescent flame retardants (IFR) was studied by cone calorimetry test. The results of cone calorimetry show that heat release rate peak (pHRR) and total heat release (THR) of intumescent flame retardant PP with 2wt% VSB-1 decrease remarkably compared with that of without VSB-1. The pHRR and THR decrease respectively from 1140 to 286.0 kW/m², and from 96.0 to 63.2 MJ/m².