Preparation of oil resistant and high-temperature resistant NBR composites by modified graphene oxide/silica/coupling agent—flocculation process

IF 2.6 4区化学 Q3 POLYMER SCIENCE

Journal of Polymer Research Pub Date : 2025-01-06 DOI:10.1007/s10965-024-04252-5

Yao Xiao, Yinggang Huang, Biao Li, Yaqi Ge, Zheng Gong, Zhenchun Xu, Chuansheng Wang, Huiguang Bian

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Abstract

Graphene oxide (GO) has a large specific surface area, and the filler agglomeration is serious when it is mechanically mixed in open mill or internal mixer, which is unable to give full play to the layer isolation effect of GO to better improve the oil and high temperature resistance of NBR composites. Therefore, in this paper, the change rate of mass and volume, oil resistance, high temperature resistance, tear properties, Payne effect and mechanical properties of NBR composites prepared by dry mixing process, ball-milling modified GO/silica/si69-dry mixing process, NBR flocculation process, and ball-milling modified GO/silica/si69-NBR co-flocculation process were investigated. The results showed that compared with the GO/silica/NBR composites prepared by dry mixing, the change rate of tensile product and abrasion volume of the GO/silica/NBR composites prepared by ball milling-co-flocculation process after high-temperature and oil bath were reduced by 35.28% and 16.69%, respectively, and the tear strength was increased by 57.28%, which possessed excellent oil resistance and high temperature resistance, providing new technical guidance for the application of GO in oil and high temperature resistant NBR systems.

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改性氧化石墨烯/二氧化硅/偶联剂-絮凝法制备耐油耐高温丁腈橡胶复合材料

氧化石墨烯（GO）具有较大的比表面积，在开磨机或内混机中机械混合时填料团聚严重，无法充分发挥GO的隔层效果，以更好地提高NBR复合材料的耐油性和耐高温性。因此，本文对干混工艺、球磨改性氧化石墨烯/二氧化硅/si69-干混工艺、丁腈橡胶絮凝工艺、球磨改性氧化石墨烯/二氧化硅/si69-丁腈橡胶共絮凝工艺制备的丁腈橡胶复合材料的质量和体积变化率、耐油性、耐高温性、撕裂性能、佩恩效应和力学性能进行了研究。结果表明：与干混法制备的氧化石墨烯/二氧化硅/丁腈橡胶复合材料相比，球磨-共絮凝法制备的氧化石墨烯/二氧化硅/丁腈橡胶复合材料经高温和油浴处理后的拉伸产物变化率和磨损体积分别降低了35.28%和16.69%，撕裂强度提高了57.28%，具有优异的耐油和耐高温性能；为氧化石墨烯在耐油和耐高温丁腈橡胶体系中的应用提供了新的技术指导。

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来源期刊

Journal of Polymer Research 化学-高分子科学

CiteScore

4.70

自引率

7.10%

发文量

472

审稿时长

3.6 months

期刊介绍： Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology. As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including: polymer synthesis; polymer reactions; polymerization kinetics; polymer physics; morphology; structure-property relationships; polymer analysis and characterization; physical and mechanical properties; electrical and optical properties; polymer processing and rheology; application of polymers; supramolecular science of polymers; polymer composites.