Carbon nanotubes (CNTs) impact on the mechanical properties and swelling behavior of EPDM/SBR blend nanocomposites

IF 1.5 4区化学 Q4 POLYMER SCIENCE

Journal of Rubber Research Pub Date : 2025-07-30 DOI:10.1007/s42464-025-00309-2

S. Vishvanathperumal, K.N. Ramu, G. Anand, V. Navaneethakrishnan

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Abstract

Carbon nanotubes (CNTs) were incorporated to create nanocomposites of ethylene-propylene-diene monomer (EPDM) and styrene-butadiene rubber (SBR). These nanocomposites underwent comprehensive evaluation of their cure and mechanical properties, specifically assessing tensile strength, elongation at break, tear strength, stress at 100% elongation, rebound resilience, and hardness. Additional assessments included abrasion resistance, swelling resistance, crosslinking density, compression set, and morphology. Results from mechanical testing demonstrated substantial improvements in key properties, with tensile strength increased by up to 99% and stress at 100% elongation enhanced by up to 29%, relative to pure EPDM/SBR blends. To gain deeper insights into the nanocomposite structure, the dispersion state of CNTs within the EPDM/SBR matrix was investigated using Field Emission Scanning Electron Microscopy (FESEM), revealing the morphology and distribution of CNTs throughout the rubber matrix.

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碳纳米管对三元乙丙橡胶/SBR共混纳米复合材料力学性能和膨胀行为的影响

采用碳纳米管（CNTs）制备了乙烯-丙烯-二烯单体（EPDM）和丁苯橡胶（SBR）纳米复合材料。研究人员对这些纳米复合材料的固化和力学性能进行了综合评估，特别是对抗拉强度、断裂伸长率、撕裂强度、100%伸长率应力、回弹回弹性和硬度进行了评估。其他评估包括耐磨性、抗膨胀性、交联密度、压缩集和形态。机械测试结果表明，与纯EPDM/SBR共混物相比，其关键性能有了显著改善，抗拉强度提高了99%，100%伸长率下的应力提高了29%。为了更深入地了解纳米复合材料的结构，利用场发射扫描电子显微镜（FESEM）研究了EPDM/SBR基体中CNTs的分散状态，揭示了CNTs在橡胶基体中的形态和分布。

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来源期刊

Journal of Rubber Research 化学-高分子科学

自引率

15.40%

发文量

审稿时长

3 months

期刊介绍： The Journal of Rubber Research is devoted to both natural and synthetic rubbers, as well as to related disciplines. The scope of the journal encompasses all aspects of rubber from the core disciplines of biology, physics and chemistry, as well as economics. As a specialised field, rubber science includes within its niche a vast potential of innovative and value-added research areas yet to be explored. This peer reviewed publication focuses on the results of active experimental research and authoritative reviews on all aspects of rubber science. The Journal of Rubber Research welcomes research on: the upstream, including crop management, crop improvement and protection, and biotechnology; the midstream, including processing and effluent management; the downstream, including rubber engineering and product design, advanced rubber technology, latex science and technology, and chemistry and materials exploratory; economics, including the economics of rubber production, consumption, and market analysis. The Journal of Rubber Research serves to build a collective knowledge base while communicating information and validating the quality of research within the discipline, and bringing together work from experts in rubber science and related disciplines. Scientists in both academia and industry involved in researching and working with all aspects of rubber will find this journal to be both source of information and a gateway for their own publications.