Anti-aging insulating polyvinyl chloride elastomer composition as well as preparation method and application thereof

The invention discloses an anti-aging insulating polyvinyl chloride elastomer composition as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. According to the invention, high-polymerization-degree polyvinyl chloride resin and medium-polymerization-degree cross-linked polyvinyl chloride are compounded for use, a composite plasticizer composed of a polyester type polymer plasticizer and a solid plasticizer is supplemented, and auxiliaries such as an insulating auxiliary and a flame retardant are added; the aging-resistant insulating polyvinyl chloride elastomer composition with excellent insulativity, temperature resistance, weather resistance, oil resistance, flame retardance and mechanical properties and good processability can be obtained, and the use requirements of charging pile cable materials are met. 本发明公开了耐老化绝缘聚氯乙烯弹性体组合物及其制备方法和应用，涉及高分子材料技术领域。本发明采用高聚合度聚氯乙烯树脂和中聚合度交联聚氯乙烯复合使用，辅以聚酯型高分子增塑剂和固体增塑剂构成的复合增塑剂，并添加绝缘助剂、阻燃剂等助剂，可以获得具有优异的绝缘性、耐温性、耐候性、耐油性