Investigation of the properties of mesoporous-SiO2 filled EPDM (ethylene propylene diene monomer) rubber

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Inorganic Chemistry Communications Pub Date : 2025-02-06 DOI:10.1016/j.inoche.2025.114061

Mehmet Can Bingöl , Salih Hakan Yetgin , İlker Köprü , Fatma Ulusal

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Abstract

This research examined how the addition of mesoporous silicon dioxide (MSiO₂) filler affects the rheological, thermal, electrical, and mechanical characteristics of Ethylene-Propylene-Diene-Monomer (EPDM) rubber. In this study, three distinct samples were prepared, each with varying filler loadings: EPDM/5MSiO₂ (5 phr), EPDM/11MSiO₂ (11 phr), and EPDM/22MSiO₂ (22 phr). The mechanical characteristics of these samples were examined, including tensile and tear strength, elongation at break and compression set. Results indicate that minimum torque, the scorch time, cure time, elongation at break %, compression set, abrasion resistance, and UL94-HB-Burning rate were increased while maximum torque, cure extent (CE), cure rate index (CRI), tensile strength, tear strength and current (mA) were decreased with increasing MSiO₂ loading. The optimum rubber compound formulation was found in a sample with EPDM/5MSiO₂ nanaocomposites which have superior properties, namely tensile strength 13.5 MPa, elongation at break 497 %, 59.4 hardness shore A, tear strength 33.16 (N/mm), compression set 16.4 %, and rebound resilience 64.81 %.

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本研究探讨了添加介孔二氧化硅（MSiO2）填料如何影响乙丙橡胶（EPDM）的流变、热、电和机械特性。在这项研究中，制备了三种不同的样品，每种样品的填料含量各不相同：三元乙丙橡胶/5MSiO2（5 phr）、三元乙丙橡胶/11MSiO2（11 phr）和三元乙丙橡胶/22MSiO2（22 phr）。对这些样品的机械特性进行了检测，包括拉伸和撕裂强度、断裂伸长率和压缩永久变形。结果表明，随着 MSiO2 含量的增加，最小扭矩、焦烧时间、硫化时间、断裂伸长率、压缩永久变形、耐磨性和 UL94-HB 燃烧率都有所提高，而最大扭矩、硫化程度 (CE)、硫化率指数 (CRI)、拉伸强度、撕裂强度和电流 (mA) 则有所降低。三元乙丙橡胶/5MSiO2 nanaocomposites 样品的橡胶复合物配方最佳，具有优异的性能，即拉伸强度 13.5 兆帕、断裂伸长率 497 %、邵氏硬度 59.4 A、撕裂强度 33.16 (N/mm)、压缩永久变形 16.4 % 和回弹弹性 64.81 %。

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来源期刊

Inorganic Chemistry Communications 化学-无机化学与核化学

CiteScore

5.50

自引率

7.90%

发文量

1013

审稿时长

53 days

期刊介绍： Launched in January 1998, Inorganic Chemistry Communications is an international journal dedicated to the rapid publication of short communications in the major areas of inorganic, organometallic and supramolecular chemistry. Topics include synthetic and reaction chemistry, kinetics and mechanisms of reactions, bioinorganic chemistry, photochemistry and the use of metal and organometallic compounds in stoichiometric and catalytic synthesis or organic compounds.