Pigmented elastomeric composites with limited flammability
Polimery 2015, No 6, 396
The acrylonitrile-butadiene (NBR) and styrene-butadiene (SBR) rubber mixtures with antimony trioxide flame retardant (5—20 phr) and thermally stable pigments — zinc phthalocyanine and chloroaluminum phthalocyanine were prepared and crosslinked using sulfur-based curing system. The effects of the simultaneous use of Sb2O3 and phthalocyanine derivatives in the rubber mixture on the thermal stability, mechanical properties, flammability and fire hazard of the resulting vulcanizates were examined. It was found that the produced elastomeric materials showed a reduced flammability, lower fire hazard, better thermal stability and improved mechanical properties when compared to the colourless vulcanizates without antimony trioxide flame retardant.