Influence of modified nanosilica on swelling resistance and mechanical properties of chlorinated ethylene propylene diene monomer/chlorinated acrylonitrile butadiene rubber blend nanocomposites

IF 1.4 4区化学 Q4 POLYMER SCIENCE

Journal of Rubber Research Pub Date : 2026-02-02 DOI:10.1007/s42464-026-00333-w

M. Karthikeyan, E. Ganapathy Sundaram, S. Vishvanathperumal, S. Pradeep Kumar

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Abstract

This study explores the reinforcement potential of modified nanosilica (mNS), derived from rice husk ash, in a 50/50 blend of chlorinated ethylene propylene diene monomer (Cl-EPDM) and chlorinated acrylonitrile butadiene rubber (Cl-NBR). The nanosilica was surface-modified using a 2:1 ratio of bis[3-(triethoxysilyl)propyl]tetrasulfide (TESPT) to polyoxyethylene(20)sorbitan monolaurate (TWEEN-20). Rubber nanocomposites were prepared via conventional two-roll mill mixing, and the effects of varying mNS content were assessed on processing behaviour, mechanical performance, swelling, oil resistance, morphology, compression set, and dynamic properties. Results showed that incorporation of mNS improved tensile strength, stress at 100% elongation, tear strength, hardness, abrasion resistance, and resistance to swelling and oil uptake, while reducing elongation at break, rebound resilience, and heat build-up. Notably, optimal mechanical enhancement was observed at 6 phr mNS loading. Swelling studies conducted at different temperatures and with various solvents revealed a decline in mole percent uptake with increasing mNS content. Overall, the use of TESPT/TWEEN-20-modified nanosilica significantly enhanced the multifunctional performance of Cl-EPDM/Cl-NBR composites.

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改性纳米二氧化硅对氯化乙丙二烯单体/氯化丙烯腈-丁二烯橡胶共混纳米复合材料抗膨胀性能和力学性能的影响

本研究探讨了从稻壳灰中提取的改性纳米二氧化硅（mNS）在氯化乙丙二烯单体（Cl-EPDM）和氯化丙烯腈丁二烯橡胶（Cl-NBR）的50/50共混物中的增强潜力。采用双[3-（三乙氧基硅基）丙基]四硫醚（TESPT）和单月果酸山梨醇聚氧乙烯（20）（TWEEN-20）的2:1比例对纳米二氧化硅进行表面改性。通过传统的双辊磨混合制备了橡胶纳米复合材料，并评估了不同mNS含量对加工行为、机械性能、膨胀性、耐油性、形貌、压缩集和动态性能的影响。结果表明，mNS的掺入提高了抗拉强度、100%伸长率下的应力、撕裂强度、硬度、耐磨性、抗膨胀性和吸油性，同时降低了断裂伸长率、回弹弹性和热积累。值得注意的是，在6 phr mNS加载时，力学增强效果最佳。在不同温度和不同溶剂下进行的溶胀研究表明，随着mNS含量的增加，摩尔吸收率下降。总体而言，TESPT/ tween -20改性纳米二氧化硅的使用显著提高了Cl-EPDM/Cl-NBR复合材料的多功能性能。

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来源期刊

Journal of Rubber Research 化学-高分子科学

自引率

15.40%

发文量

审稿时长

3 months

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.