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1)  zinc-based nontoxic heat stabilizer
锌基无毒热稳定剂
1.
Development trend of heat stabilizers for PVC and technological progress of zinc-based nontoxic heat stabilizers;
PVC热稳定剂的发展趋势与锌基无毒热稳定剂技术进展
2)  nontoxic thermal stabilizer
无毒热稳定剂
1.
The new research and development situation of nontoxic thermal stabilizers for PVC;
PVC无毒热稳定剂的研究开发新概况
3)  Non-toxic Stablilizer
无毒稳定剂
4)  Calcium/zinc stabilizer
钙锌热稳定剂
5)  Ca-Zn composite heat stabilizer
钙锌复合热稳定剂
1.
The heat stability of Ca-Zn composite heat stabilizers and the synergistic effect between calcium and zinc soap, and between the chelating agents HY and β-diketone in the unplasticized PVC were studied.
研究了合成的钙锌复合热稳定剂在硬质聚氯乙烯中的热稳定性及钙锌皂间、螯合剂间的协同作用。
6)  calcium / zinc compound heat stabilizer
钙/锌复合热稳定剂
1.
High Efficient,environment friendly PVC heat stabilizers were prepared by microcapsulation technology using PVC as wall material,water talc and calcium / zinc compound heat stabilizers as core materials.
以PVC为囊壁材料,水滑石、钙/锌复合热稳定剂为囊芯材料,制备了高效、环保的PVC复合热稳定剂微胶囊,并探讨了该微胶囊的最佳制备工艺。
补充资料:热稳定剂
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性质:能改善聚合物热稳定性、防止热降解、延缓热老化的物质。主要类别有碱性铅盐、金属皂、有机锡、环氧化合物、亚磷酸酯和复合型稳定剂(如镉-钡、耐硫化污染的钡-锌、无毒的钙-锌以及有机锡络合物等)。聚合物中热稳定剂用量最大的是聚氯乙烯和氯乙烯共聚物。一般软质制品中用量为2%左右,硬质制品中为3%~5%。

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