Effect of Vulcanization System on the Structure and Properties of Polymer-Elastomer Composite Materials

IF 1 4区 化学 Q4 POLYMER SCIENCE
N. V. Shadrinov, A. R. Khaldeeva, A. L. Fedorov, M. N. Kondakov, M. D. Sokolova
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引用次数: 0

Abstract

The effect of vulcanization system on the properties of polymer-elastomer composite materials based on nitrile-butadiene rubber and ultrahigh molecular weight polyethylene is studied. An analysis of the rheometric and vulcanization characteristics of rubber compounds shows that, in the case of combined sulfur-peroxide vulcanization system, the crosslinking density of vulcanizates increases considerably. The study of the elastic and strength behavior and dynamic mechanical properties of the vulcanizates demonstrates that the sulfur-peroxide vulcanization system provides the best parameters, in particular at low temperatures. An examination of elastic and hysteresis properties of the samples before and after vulcanization, which are measured under dynamic loading in a wide frequency and strain range, allows one to describe the features of physicochemical interactions in polymer-elastomer materials depending on the used vulcanization system. The supramolecular structure of the vulcanizates is visualized by scanning electron microscopy, and chemical interaction between macromolecules of nitrile-butadiene rubber and ultrahigh molecular weight polyethylene occurring during peroxide vulcanization is proved by IR spectroscopy.

Abstract Image

Abstract Image

硫化体系对聚合物-弹性体复合材料结构和性能的影响
研究了硫化体系对基于丁腈橡胶和超高分子量聚乙烯的聚合物-弹性体复合材料性能的影响。对橡胶复合物流变特性和硫化特性的分析表明,在硫-过氧化物联合硫化体系中,硫化胶的交联密度显著增加。对硫化胶的弹性和强度行为以及动态机械性能的研究表明,过氧化硫硫化体系提供了最佳参数,尤其是在低温条件下。通过对硫化前后样品的弹性和滞后特性的研究(在较宽的频率和应变范围内的动态载荷下测量),我们可以根据所使用的硫化体系来描述聚合物-弹性体材料中物理化学相互作用的特征。通过扫描电子显微镜可以观察到硫化物的超分子结构,而过氧化物硫化过程中丁腈橡胶大分子和超高分子量聚乙烯大分子之间的化学作用则通过红外光谱得到了证实。
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来源期刊
Polymer Science, Series A
Polymer Science, Series A 化学-高分子科学
CiteScore
1.70
自引率
0.00%
发文量
55
审稿时长
3 months
期刊介绍: Polymer Science, Series A is a journal published in collaboration with the Russian Academy of Sciences. Series A includes experimental and theoretical papers and reviews devoted to physicochemical studies of the structure and properties of polymers (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed. Online submission via Internet to the Series A, B, and C is available at http://polymsci.ru.
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