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Studies on the effect of 4A zeolite on the properties of intumescent flame-retardant agent filled natural rubber composites

By: Xiaoyu Zheng; Jincheng Wang; Ke Yang;

2009 / Springer Science+Business Media / 1022-9760


This investigation focused on the research of 4A zeolite on the properties of intumescent flame retardant (IFR) agent filled natural rubber (NR) systems. The first part focused on the evaluation of such characteristics as cure characteristics, tensile property, abrasion loss, and cross-linking density of NR composites. Experimental results demonstrated that the addition of 4A zeolite could increase the cross-linking density of the NR systems. The incorporation of 0.3 phr of 4A zeolite with 50 phr of IF Ragent could improve the elongation value from 480 to 610%, probably 27% increase. Also, the abrasion loss was decreased from 0.95 to 0.70 cm) evolution, and so on, in a word, an improvement of FR properties.