Polytetrafluoroethylene thin film with polydopamine adhesive layer
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United States of America Patent
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Mar 13, 2018
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Jul 7, 2014
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Jul 5, 2013
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Abstract
One aspect of the present invention relates to a method of fabricating a low friction, wear resistant, polydopamine/polytetrafluoroethylene layered film. In one embodiment, the method comprises the deposition of a polydopamine film on a stainless steel substrate through an oxidative polymerization process, the deposition of a polytetrafluoroethylene nanoparticle film on top of the polydopamine film, and heat treating the layered film to remove moisture and fuse the particles together.
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