Studying the effects of the butadiene rubber and nitrile butadiene rubber ratio on the elastomers properties

Voprosy Materialovedeniya Pub Date : 2024-02-21 DOI:10.22349/1994-6716-2023-116-4-89-98

S. A. Tapyev, A. A. Dyakonov, A. A. Okhlopkova, A. P. Vasiliev, S. N. Danilova, N. Lazareva, A. K. Kychkin, A. G. Tuisov, P. V. Vinokurov, A. M. Spiridonov, N. F. Struchkov, E. E. Anisimov

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Abstract

In this study the influence of the content of SKD-B butadiene rubber and BNKS-18 AMN nitrile rubber in the blend on the properties of the resulting elastomers is investigated. The combination of frost-resistant and aggressive media resistant rubbers in the blend allows to adapt the properties of vulcanizates to the required operating conditions. The research revealed that the level of physical and mechanical properties, aggressive media resistance and frost resistance depend on the ratio of rubbers. The study of properties of elastomers revealed two glass transition temperatures and two thermal transitions at negative temperatures corresponding to nitrilebutadiene and butadiene rubbers. The phase morphology of elastomers, characteristic for butadiene nitrile or butadiene rubbers in dependence on their ratio in the blend, was investigated by electron microscopy. Based on the developed elastomer, dust covers for CV-joints were produced. They were tested in real operating conditions in the temperature range from –52 to 33°C.

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研究丁二烯橡胶和丁腈橡胶比例对弹性体性能的影响

本研究调查了 SKD-B 丁二烯橡胶和 BNKS-18 AMN 丁腈橡胶在混合物中的含量对所得弹性体性能的影响。在共混物中结合使用抗冻橡胶和抗侵蚀介质橡胶可使硫化胶的性能适应所需的操作条件。研究表明，物理和机械性能、耐侵蚀介质性和抗冻性的水平取决于橡胶的比例。对弹性体性能的研究表明，与丁腈橡胶和丁二烯橡胶相对应，存在两个玻璃化转变温度和两个负温度热转变。电子显微镜对弹性体的相形态进行了研究，丁腈橡胶或丁二烯橡胶的相形态取决于它们在混合物中的比例。根据所开发的弹性体，生产出了用于 CV 接头的防尘罩。在 -52 至 33°C 的实际工作条件下对其进行了测试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Voprosy Materialovedeniya

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