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To obtain the polyimide (PI) hybrid films with silicon (Si)-enriched surface as well as excellent mechanical properties, Si-containing PI hybrid films were prepared by the incorporation with ladder-like polyphenylsilsesquioxane (ph-LPSQ) and ladder-like poly(nitrophenyl)silsesquioxane (nph-LPSQ) into PI through a casting method. The morphologies, surface structure, and phase separation behaviors of...
A novel type of polyoxymethylene (POM)-based composites with polytetrafluoroethylene (PTFE) fiber and poly(ethylene oxide) (PEO) was prepared via melt extrusion in order to enhance the friction lubrication and wear resistance of POM. The tribological experiments demonstrated that the coefficient of friction and wear rate of POM were both reduced by the incorporation of PTFE fiber, and furthermore,...
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