Comparative Analysis of Cure Behaviors, Mechanical Properties, and Swelling Resistance in EPDM/SBR Composites with HNTs, APTES-Modified HNTs, and RH-Modified HNTs

IF 2.8 3区材料科学 Q3 CHEMISTRY, PHYSICAL Silicon Pub Date : 2024-08-14 DOI:10.1007/s12633-024-03117-2

A. Arunkumar, S. R. Venkataraman, S. Vishvanathperumal, V. Navaneethakrishnan

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Abstract

Rubber blending is a prominent technique for enhancing properties in final rubber products. This study investigates the interplay of filler concentration and surface modification in EPDM/SBR blend composites with halloysite nanotubes (HNTs). The effects of γ-Aminopropyltriethoxysilane (APTES) and resorcinol-hexamethylenetetramine (RH) modifiers were examined. Comparing rubber blend composites with modified and unmodified HNTs, the findings reveal significant enhancements using RH-modified HNTs. These composites outperform those with APTES-modified and unmodified HNTs, notably improving mechanical properties. The addition of fillers increases crosslink density and filler-rubber interaction, reducing mole percent uptake. These trends result in significantly improved abrasion resistance in the composites. FESEM images show that RH-modified HNTs have superior distribution compared to APTES-modified and unmodified HNTs, highlighting their effective interaction and dispersion. These findings can guide the optimization and production of outdoor applications.

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含有 HNT、APTES 改性 HNT 和 RH 改性 HNT 的 EPDM/SBR 复合材料的固化行为、机械性能和抗膨胀性对比分析

橡胶混合是提高最终橡胶产品性能的一项重要技术。本研究探讨了三元乙丙橡胶/丁苯橡胶与哈洛石纳米管（HNTs）共混复合材料中填料浓度和表面改性的相互作用。研究考察了γ-氨基丙基三乙氧基硅烷（APTES）和间苯二酚-六亚甲基四胺（RH）改性剂的效果。通过比较使用改性 HNT 和未改性 HNT 的橡胶共混复合材料，研究结果表明使用 RH 改性 HNT 可显著提高性能。这些复合材料的性能优于使用 APTES 改性和未改性 HNT 的复合材料，显著提高了机械性能。填料的添加增加了交联密度和填料与橡胶的相互作用，降低了吸收摩尔百分比。这些趋势大大提高了复合材料的耐磨性。FESEM 图像显示，与 APTES 改性和未改性的 HNT 相比，RH 改性的 HNT 具有更优越的分布，突显了其有效的相互作用和分散性。这些发现可为户外应用的优化和生产提供指导。

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来源期刊

Silicon CHEMISTRY, PHYSICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.90

自引率

20.60%

发文量

685

审稿时长

>12 weeks

期刊介绍： The journal Silicon is intended to serve all those involved in studying the role of silicon as an enabling element in materials science. There are no restrictions on disciplinary boundaries provided the focus is on silicon-based materials or adds significantly to the understanding of such materials. Accordingly, such contributions are welcome in the areas of inorganic and organic chemistry, physics, biology, engineering, nanoscience, environmental science, electronics and optoelectronics, and modeling and theory. Relevant silicon-based materials include, but are not limited to, semiconductors, polymers, composites, ceramics, glasses, coatings, resins, composites, small molecules, and thin films.