Preparation and properties of graphene oxide-modified ethylene-propylene-diene monomer and acrylonitrile-butadiene rubber composites using octadecylamine, 3-aminopropyltriethoxysilane, and 4,4′-diphenylmethane diisocyanate
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引用次数: 0
Abstract
Graphene oxide (GO)-modified ethylene-propylene-diene monomer/acrylonitrile-butadiene rubber (EPDM/NBR) composites were developed via melt compounding using three functional agents: octadecylamine (ODA), 3-aminopropyltriethoxysilane (KH550), and 4,4′-diphenylmethane diisocyanate (MDI). These modifiers tailored the surface chemistry of GO to enhance interfacial compatibility and dispersion within the rubber matrix. The impact of each modified GO system on curing behaviour, mechanical performance, and solvent resistance was systematically studied. Mechanical properties were evaluated in accordance with ASTM standards: tensile strength and elongation at break (ASTM D412), tear strength (ASTM D624), hardness (ASTM D2240), abrasion resistance (ASTM D5963), and rebound resilience (ASTM D2632). Results showed that 5 phr (parts per hundred rubber) filler loading yielded optimum performance, with GO-MDI delivering the highest improvements (137% in tensile strength) due to its strong chemical interaction with the matrix. In contrast, unmodified GO exhibited poor dispersion and minimal reinforcement. Beyond 5 phr, mechanical and crosslinking properties declined due to filler agglomeration. This study highlights the importance of tailored nanofiller functionalisation in overcoming filler-matrix incompatibility and opens a pathway for designing multifunctional elastomeric materials for advanced sealing, automotive, and chemical-resistant applications.
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.
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