The heat stabilization, the influences on thermal property and mechanical properties, espercially the tensile strength and impact strength of rare earth heat stabilizer in RPVC system are studied.

研究了稀土热稳定剂对硬PVC 体系的热稳定效果以及对制品的拉伸强度、 冲击强度和耐热性能的影响。结果表明，稀土热稳定剂对PVC体系有一定的热稳定效果，与环氧大豆油有很好的协同效果。

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