期刊
MATERIALS
卷 12, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/ma12101631
关键词
ramie fibers; plasma treatment; nanoscale structures; microfibrils; surface wettability; LV-SEM
类别
资金
- Engineering and Physical Sciences Research Council (EPSRC) [EP/N008065/1]
- EPSRC [EP/N008065/1] Funding Source: UKRI
Nanoscale surface morphology of plant fibers has important implications for the interfacial bonding in fiber-polymer composites. In this study, we investigated and quantified the effect of plasma-surface modification on ramie plant fibers as a potential tool for simple and efficient surface modification. The extensive investigation of the effects of plasma treatment of the fiber surface nano-morphology and its effect on the fiber-polymer interface was performed by Low-Voltages Scanning Electron Microscopy (LV-SEM), infrared spectroscopy (FT-IR) analysis, fiber-resin angle measurements and mechanical (tensile) testing. The LV-SEM imaging of uncoated plasma treated fibers reveals nanostructures such as microfibrils and elementary fibrils and their importance for fiber mechanical properties, fiber wettability, and fiber-polymer matrix interlocking which all peak at short plasma treatment times. Thus, such treatment can be an effective in modifying the fiber surface characteristics and fiber-polymer matrix interlocking favorably for composite applications.
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