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应用含乳酸根阴离子的特定任务型离子液体改善氧化锌在三元乙丙橡胶中的分散性

Task-Specific Ionic Liquids with Lactate Anion Applied to Improve ZnO Dispersibility in the Ethylene-Propylene-Diene Elastomer.

作者信息

Sowińska Anna, Maciejewska Magdalena, Guo Laina, Delebecq Etienne

机构信息

Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego Street 12/16, 90-924 Lodz, Poland.

Hutchinson S.A-Research & Innovation Center, Rue Gustave Nourry BP31, 45120 Châlette sur Loing, France.

出版信息

Polymers (Basel). 2021 Mar 3;13(5):774. doi: 10.3390/polym13050774.

DOI:10.3390/polym13050774
PMID:33802422
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7959287/
Abstract

Task-specific ionic liquids (TSILs) are ionic liquids with structures and, consequently, properties and behaviors designed for particular applications. In this work, task-specific ILs with alkylammonium or benzalkonium cations and carboxyl groups in the form of lactate anions were used to promote the homogeneous dispersion of the curatives in the elastomer matrix. The reaction of carboxyl groups of TSILs with zinc oxide, which acts as a vulcanization activator, was confirmed. This interaction improved the solubility and dispersibility of zinc oxide particles in the ethylene-propylene-diene (EPDM) monomer matrix, which consequently affected the curing characteristics of rubber compounds. Most importantly, TSILs increased the efficiency of vulcanization by shortening the time, lowering the temperature and increasing the enthalpy of this process, while maintaining safe processing of elastomer composites. EPDM vulcanizates containing TSILs with lactate anion were characterized by satisfactory functional properties.

摘要

特定任务离子液体（TSILs）是具有特定结构的离子液体，因此具有为特定应用设计的性质和行为。在这项工作中，具有烷基铵或苯扎氯铵阳离子以及乳酸根阴离子形式羧基的特定任务离子液体被用于促进硫化剂在弹性体基质中的均匀分散。证实了TSILs的羧基与作为硫化活化剂的氧化锌之间的反应。这种相互作用提高了氧化锌颗粒在乙丙二烯（EPDM）单体基质中的溶解度和分散性，从而影响了橡胶混合物的硫化特性。最重要的是，TSILs通过缩短时间、降低温度和增加该过程的焓来提高硫化效率，同时保持弹性体复合材料的安全加工。含有乳酸根阴离子TSILs的EPDM硫化胶具有令人满意的功能特性。

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