Effect of graphene oxide (GO) on the mechanical properties of ethylene-propylene-diene monomer/acrylonitrile butadiene rubber (EPNBR) blend composites

IF 2.6 4区化学 Q3 POLYMER SCIENCE

Journal of Polymer Research Pub Date : 2025-04-14 DOI:10.1007/s10965-025-04393-1

S. Vishvanathperumal, A. Kannan

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引用次数: 0

Abstract

This study explores the influence of graphene oxide (GO) on the curing kinetics, mechanical properties, abrasion resistance, and swelling behavior of ethylene propylene diene monomer/acrylonitrile butadiene rubber (EPNBR) composites. These composites were fabricated via melt blending using an open mill mixer. The incorporation of GO led to increased minimum torque, maximum torque, delta torque, and cure rate index, while reducing scorch time and optimizing cure time in EPNBR composites. Tensile strength and stress at 100% elongation improved with GO addition up to 5 phr, beyond which they started to decline. However, GO negatively impacted elongation at break and rebound resilience. Notably, swelling resistance and abrasion resistance significantly improved with GO incorporation. Field Emission Scanning Electron Microscopy (FESEM) images of fractured surfaces confirmed the uniform dispersion of GO within the polymer matrix. The composites demonstrated tensile strength, tear strength, stress at 100% elongation, and abrasion resistance increases of 61%, 71%, 36%, and 17%, respectively. Conversely, elongation at break and rebound resilience decreased by 27% and 23%, respectively, compared to the base vulcanizates.

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氧化石墨烯（GO）对乙烯-丙二烯单体/丙烯腈-丁二烯橡胶（EPNBR）共混复合材料力学性能的影响

本研究探讨了氧化石墨烯（GO）对乙丙二烯单体/丙烯腈丁二烯橡胶（EPNBR）复合材料固化动力学、力学性能、耐磨性和膨胀行为的影响。这些复合材料是用开磨混合机通过熔体混合制备的。氧化石墨烯的加入提高了EPNBR复合材料的最小扭矩、最大扭矩、增量扭矩和固化率指数，同时减少了焦化时间，优化了固化时间。当氧化石墨烯添加量达到5 phr时，100%伸长率下的拉伸强度和应力得到改善，超过5 phr后开始下降。然而，氧化石墨烯对断裂伸长率和回弹弹性有负面影响。值得注意的是，氧化石墨烯的掺入显著提高了抗膨胀性和耐磨性。断裂表面的场发射扫描电镜（FESEM）图像证实了氧化石墨烯在聚合物基体中的均匀分散。复合材料的抗拉强度、撕裂强度、100%延伸应力和耐磨性分别提高了61%、71%、36%和17%。相反，与基础硫化胶相比，断裂伸长率和回弹弹性分别下降了27%和23%。

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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来源期刊

Journal of Polymer Research 化学-高分子科学

CiteScore

4.70

自引率

7.10%

发文量

472

审稿时长

3.6 months

期刊介绍： Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology. As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including: polymer synthesis; polymer reactions; polymerization kinetics; polymer physics; morphology; structure-property relationships; polymer analysis and characterization; physical and mechanical properties; electrical and optical properties; polymer processing and rheology; application of polymers; supramolecular science of polymers; polymer composites.