Enhanced mechanical and swelling properties of ethylene-propylene-diene monomer/acrylonitrile-butadiene rubber composites reinforced with modified graphene oxide

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2025-05-29 DOI:10.1007/s00396-025-05443-2

S. Vishvanathperumal, A. Kannan

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引用次数: 0

Abstract

This study presents a novel approach to enhancing the performance of ethylene-propylene-diene monomer (EPDM) and acrylonitrile-butadiene rubber (NBR) composites by reinforcing them with graphene oxide (GO) modified using 4,4-diphenylmethane diisocyanate (MDI). While GO has been widely used as a nanofiller in rubber matrices, the use of MDI-functionalized GO (MDI-GO) in EPDM/NBR blends has not been previously reported. The modified nanofiller was incorporated using an open-mill mixer, and its effect on composite morphology was examined via field emission scanning electron microscopy. The study systematically evaluated the cure characteristics, mechanical properties, compression set, abrasion resistance, and swelling resistance of the composites. Results showed that EPDM/NBR/MDI-GO composites outperformed both unfilled and GO-filled composites. Notably, the MDI-GO-reinforced composite achieved a 137% increase in tensile strength, 59% in stress at 100% elongation, and 101% in tear strength compared to the base compound. Abrasion resistance also improved with increasing MDI-GO content, attributed to enhanced interfacial interaction and filler dispersion. These findings demonstrate the effectiveness of MDI surface functionalization in significantly improving rubber nanocomposite performance.

Graphical abstract

查看原文本刊更多论文

改性氧化石墨烯增强乙烯-丙二烯单体/丙烯腈-丁二烯橡胶复合材料的力学性能和膨胀性能

本研究提出了用4,4-二苯基甲烷二异氰酸酯（MDI）改性氧化石墨烯（GO）增强三元乙丙橡胶（EPDM）和丙烯腈丁二烯橡胶（NBR）复合材料性能的新方法。虽然氧化石墨烯已被广泛用作橡胶基体的纳米填料，但在三元乙丙橡胶/丁腈橡胶共混物中使用mdi功能化氧化石墨烯（MDI-GO）尚未有报道。采用开磨混合机掺入改性纳米填料，并通过场发射扫描电镜观察其对复合材料形貌的影响。该研究系统地评估了复合材料的固化特性、力学性能、压缩集、耐磨性和抗膨胀性。结果表明，EPDM/NBR/MDI-GO复合材料的性能优于未填充和填充的复合材料。值得注意的是，与基体相比，mdi - go增强复合材料的抗拉强度提高了137%，100%伸长率下的应力提高了59%，撕裂强度提高了101%。耐磨性也随着MDI-GO含量的增加而提高，这是由于界面相互作用和填料分散的增强。这些发现证明了MDI表面功能化在显著改善橡胶纳米复合材料性能方面的有效性。图形抽象

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.