Study on Preparation and Properties of PVC/Zinc Stannate Composites

HE Jin, WANG Zhen-wu, LUO Qiong-lin, LIU Bo-han, OUYANG Yue-jun, SHU You

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Plastics Science and Technology ›› 2024, Vol. 52 ›› Issue (12) : 85-88. DOI: 10.15925/j.cnki.issn1005-3360.2024.12.016
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Study on Preparation and Properties of PVC/Zinc Stannate Composites

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Abstract

Two kinds of PVC/Zn2SnO4 composites were prepared by melt blending extrusion method using two kinds of zinc stannate (Zn2SnO4) with different particle sizes as flame retardant with calcium-zinc stabilizers and dioctyl phthalate for modification of polyvinyl chloride (PVC) materials. The mechanical properties, flame retardancy and anti-voltage breakdown performance of composites were investigated by a tensile tester, a limiting oxygen index (LOI) tester and a voltage breakdown tester. The results showed that the tensile strength and LOI of the composites increased as the increase of Zn2SnO4-1 and Zn2SnO4-2 adding amount. The elongation at break of the composites first increased and then decreased as the increase of Zn2SnO4-2 adding amount, which reached the maximum value when the adding amount of Zn2SnO4-2 was 2 phr. The LOI, tensile strength and voltage breakdown strength of the PVC/Zn2SnO4-2 composites were higher than that of PVC/Zn2SnO4-1 composites.

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Zinc stannate / Flame retardancy / PVC

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HE Jin , WANG Zhen-wu , LUO Qiong-lin , et al . Study on Preparation and Properties of PVC/Zinc Stannate Composites. Plastics Science and Technology. 2024, 52(12): 85-88 https://doi.org/10.15925/j.cnki.issn1005-3360.2024.12.016

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