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The surface modification of fluoroelastomer by using direct fluorination with fluorine gas was investigated. The results of X-ray photoelectron spectroscopy (XPS) indicate that a greater number of CF3, CF2 and CF groups are formed on the surface after fluorination and the photographs of both scanning electronic microscopy (SEM) and three-dimensional digital microscope reveal that the surface of fluoroelastomer...
Poly-p-phenylene-benzimidazole-terephthalamide (PBIA) fiber was surface modified by direct fluorination under three different routes. The fiber was dried under vacuum to remove physisorbed water trapped on it and then fluorinated by the fluorine and oxygen gases or by the fluorine gas only. Results show that the interlaminar shear strength (ILSS) value of these two kinds of fluorinated fiber reinforced...
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