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使用离子液体/ KH550功能化多层石墨烯改善羧基丁腈橡胶的动态力学性能

Improving the Dynamic Mechanical Properties of XNBR Using ILs/KH550-Functionalized Multilayer Graphene.

作者信息

Chen Duoli, Gan Chaoliang, Fan Xiaoqiang, Zhang Lin, Li Wen, Zhu Minhao, Quan Xin

机构信息

Tribology Research Institute, School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China.

Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.

出版信息

Materials (Basel). 2019 Aug 30;12(17):2800. doi: 10.3390/ma12172800.

DOI:10.3390/ma12172800
PMID:31480334
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6747809/
Abstract

Graphene has been considered an ideal nanoscale reinforced phase for preparing high-performance composites, but the poor compatibility and weak interfacial interaction with the matrix have limited its application. Here a highly effective and environmentally friendly method for the functionalization of graphene is proposed through an interaction between as-exfoliated graphene and (3-aminopropyl) triethoxysilane (KH550), in which 1-butylsulfonate-3-methylimidazolium bisulfate (BSOHMIm)(HSO) ionic-liquids-modified graphene was prepared via an electrochemical exfoliation of graphite in (BSOHMIm)(HSO) solution, then (BSOHMIm)(HSO)-modified graphene as a precursor was reacted with amine groups of KH550 for obtaining (BSOHMIm)(HSO)/KH550-functionalized graphene. The final products as filler into carboxylated acrylonitrile‒butadiene rubber (XNBR) improve the dynamic mechanical properties. The improvement in the dynamic mechanical properties of the nanocomposite mainly depends on high interfacial interaction and graphene's performance characteristics, as well as a good dispersion between functionalized graphene and the XNBR matrix.

摘要

石墨烯被认为是制备高性能复合材料的理想纳米增强相，但其与基体的相容性差和界面相互作用弱限制了其应用。本文通过剥离的石墨烯与（3-氨丙基）三乙氧基硅烷（KH550）之间的相互作用，提出了一种高效且环保的石墨烯功能化方法，其中1-丁基磺酸酯-3-甲基咪唑硫酸氢盐（BSOHMIm）（HSO）离子液体修饰的石墨烯是通过在（BSOHMIm）（HSO）溶液中对石墨进行电化学剥离制备的，然后将（BSOHMIm）（HSO）修饰的石墨烯作为前驱体与KH550的胺基反应，以获得（BSOHMIm）（HSO）/KH550功能化石墨烯。作为填料加入羧化丁腈橡胶（XNBR）中的最终产物改善了动态力学性能。纳米复合材料动态力学性能的提高主要取决于高界面相互作用、石墨烯的性能特点以及功能化石墨烯与XNBR基体之间的良好分散性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/60d16e923498/materials-12-02800-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/b8767c1120c7/materials-12-02800-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/f5eba2efd98e/materials-12-02800-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/5e52fca65eaf/materials-12-02800-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/87386e56d49f/materials-12-02800-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/128051e6424c/materials-12-02800-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/8adfe85ce1e8/materials-12-02800-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/60d16e923498/materials-12-02800-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/b8767c1120c7/materials-12-02800-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/4fe2a8f69036/materials-12-02800-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/c855f9970de4/materials-12-02800-g003a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/91d19ec7c905/materials-12-02800-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/f5eba2efd98e/materials-12-02800-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/5e52fca65eaf/materials-12-02800-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/87386e56d49f/materials-12-02800-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/128051e6424c/materials-12-02800-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/8adfe85ce1e8/materials-12-02800-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c55b/6747809/60d16e923498/materials-12-02800-g010.jpg

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