Amino graphene oxide/dopamine modified aramid fibers: Preparation, epoxy nanocomposites and property analysis
| Autor: | Vignesh Murugadoss, Zhimin Xie, Qingliang Dong, Tao Ding, Youshan Wang, Yuyan Liu, Mengyao Dong, Xianyun Gong, Hu Liu, Na Lu, Qian Shao, Zhanhu Guo |
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| Rok vydání: | 2019 |
| Předmět: |
Materials science
Polymers and Plastics Scanning electron microscope Graphene Organic Chemistry Oxide 02 engineering and technology Epoxy 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences law.invention Aramid chemistry.chemical_compound X-ray photoelectron spectroscopy chemistry Chemical engineering law visual_art Materials Chemistry visual_art.visual_art_medium Adhesive Fourier transform infrared spectroscopy 0210 nano-technology |
| Zdroj: | Polymer. 168:131-137 |
| ISSN: | 0032-3861 |
| Popis: | Dopamine modified aramid fiber (AF) surface was grafted with amino functionalized graphene oxide to improve the interfacial adhesive performance. The self-polymerized polydopamine (PDA) coating and subsequent amino GO grafting on the AF surface attributed to the increase in its surface roughness and surface-active groups. The functional groups, chemical composition and surface topography of unmodified and modified AF was investigated by Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS) and Scanning electron microscopy (SEM). The interfacial properties were analyzed by measuring interfacial shear strength (IFSS) of unmodified and modified AF embedded epoxy matrix. Further, the properties were tuned by optimizing the reaction temperature and concentration of ethylenediamine. The IFSS of AF/epoxy composites was increased by 34% after grafting amino graphene oxide. |
| Databáze: | OpenAIRE |
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