Improved moisture and hydrocarbons barrier of epoxy resin-based coating
by Peter Lubomir Polak, Marly Grinapel Lachtermacher, Ronaldo Domingues Mansano
International Journal of Surface Science and Engineering (IJSURFSE), Vol. 2, No. 6, 2008

Abstract: To improve the surface characteristics of epoxy resin coatings, a treatment by fluorine-containing plasma was used to develop a coating with low surface free energy and improved chemical resistance. Through the coating analysis it was possible to verify information about the CF_n bond formation and the fluorination depth. The best plasma process parameters presented the best fluorination depth, 90 nm, and fluorine concentration was nearly 30%. The improvement in contact angle of water was 50% and of raw petroleum was 130%. Salt spray test proves that the coating fluorination decreases the chance of substrate corrosion.

Online publication date: Fri, 26-Dec-2008

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