Abstract
Zinc hydroxystannate (ZHS) coated dendritic fibrillar calcium carbonate (ZHSCC-D) and ZHS coated cubic calcium carbonate (ZHSCC-C) were prepared in the water solution of cetyl trimethyl ammonium bromide (CTAB)/glycerin and in a pure water solution, respectively. Compared with the semirigid polyvinyl chloride (PVC) treated with ZHSCC-C, when the addition level and the effective flame retardant component of ZHS were the same, the semi-rigid PVC treated with ZHSCC-D showed a higher value of tensile strength, elongation and impact strength, and a lower smoke density rating (SDR) value than those of the semi-rigid PVC treated with ZHSCC-C; except for the semi-rigid PVC treated with 10 g ZHSCC-C (1:10) or ZHSCC-D (1:10) per 100 g PVC, the semi-rigid PVC treated with ZHSCC-D had almost the same LOI value as that of the semi-rigid PVC treated with ZHSCC-C. The semi-rigid PVC treated with 10 g ZHSCC-D (1:10) per 100 g PVC had the best integrated properties.
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