By adding calcium carbonate filler and thermal stabilizer in the VC polymerization processing, PVC special-use resins ready for processing were synthesis.

介绍了在VC悬浮聚合中添加碳酸钙填料和热稳定剂，合成可直接用于加工成型的PVC专用粉料的开发工作。

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Due to the requirement of environmental protection the study of new thermal stabilizer with high efficiency and low or no toxicity become the main subject of the PVC research filed.

随着环境保护要求的提高，高效、无毒热稳定剂的开发和应用成为聚氯乙烯研究的重要内容。

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