不同新癸酸锡和钙锌热稳定剂对PVC热稳定性的影响

IF 3.2 3区化学 Q2 POLYMER SCIENCE

e-Polymers Pub Date : 2023-01-01 DOI:10.1515/epoly-2023-0029

Xiang Wang, Chao Di, Tingwei Wang

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引用次数: 0

摘要

热稳定剂是提高聚氯乙烯(PVC)加工过程热稳定性的重要添加剂。在各种热稳定剂中，有机锡化合物表现出显著的效果。在这项研究中，我们研究了使用二甲基癸酸锡(DMTDN)，二丁基癸酸锡(DBTDN)和二辛基癸酸锡(DOTDN)作为PVC的热稳定剂。这些化合物与硬脂酸钙(CaSt2)和硬脂酸锌(ZnSt2)结合，以提高PVC材料的热稳定性。结果表明:作为独立热稳定剂时，三种新十酸锡的热稳定效果依次为:DOTDN > DBTDN > DMTDN。值得注意的是，由三种新癸酸锡、CaSt2和ZnSt2以5:4:1的比例组成的三组分热稳定剂(MTN5-C4Z1、BTN5-C4Z1和OTN5-C4Z1)的热稳定性和润滑性优于单独使用新癸酸锡。本研究为降低新癸酸锡作为PVC热稳定剂的应用成本提供了可能的配方。

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Effect of different tin neodecanoate and calcium–zinc heat stabilizers on the thermal stability of PVC

Abstract Heat stabilizers are crucial additives for enhancing the thermal stability of polyvinyl chloride (PVC) during processing. Among the various heat stabilizers available, organic tin compounds have shown remarkable effectiveness. In this study, we investigated the use of dimethyltin dineodecanoate (DMTDN), dibutyltin dineodecanoate (DBTDN), and dioctyltin dineodecanoate (DOTDN) as heat stabilizers for PVC. These compounds were combined with calcium stearate (CaSt2) and zinc stearate (ZnSt2) to improve the thermal stability of PVC materials. The results demonstrated that the thermal stabilization effects of the three tin neodecanoates, when used as standalone heat stabilizers, followed the order: DOTDN > DBTDN > DMTDN. Notably, the thermal stability and lubricity of the three-component heat stabilizer (MTN5-C4Z1, BTN5-C4Z1, and OTN5-C4Z1, respectively), which consisted of the three types of tin neodecanoate, CaSt2, and ZnSt2 in a ratio of 5:4:1, outperformed the use of tin neodecanoate alone. This study offered potential formulations to reduce the application cost of tin neodecanoate as a PVC heat stabilizer.

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来源期刊

e-Polymers 化学-高分子科学

CiteScore

5.90

自引率

10.80%

发文量

审稿时长

6.4 months

期刊介绍： e-Polymers is a strictly peer-reviewed scientific journal. The aim of e-Polymers is to publish pure and applied polymer-science-related original research articles, reviews, and feature articles. It includes synthetic methodologies, characterization, and processing techniques for polymer materials. Reports on interdisciplinary polymer science and on applications of polymers in all areas are welcome. The present Editors-in-Chief would like to thank the authors, the reviewers, the editorial staff, the advisory board, and the supporting organization that made e-Polymers a successful and sustainable scientific journal of the polymer community. The Editors of e-Polymers feel very much engaged to provide best publishing services at the highest possible level.