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Heat‐resistant hydrophobic–oleophobic coatings
Author(s) -
Uyanik M.,
Arpaç E.,
Schmidt H.,
Akarsu M,
Sayilkan F.,
Sayilkan H.
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.23139
Subject(s) - materials science , coating , ceramic , composite material , contact angle , abrasion (mechanical) , polymer , curing (chemistry) , hexadecane , corrosion , adhesion , organic chemistry , chemistry
Thermally and chemically durable hydrophobic oleophobic coatings, containing different ceramic particles such as SiO 2 , SiC, Al 2 O 3 , which can be alternative instead of Teflon, have been developed and applied on the aluminum substrates by spin‐coating method. Polyimides, which are high‐thermal resistant heteroaromatic polymers, were synthesized, and fluor oligomers were added to these polymers to obtain hydrophobic–oleophobic properties. After coating, Al surface was subjected to Taber‐abrasion, adhesion, corrosion, and thermal tests. The effects of the particle size of ceramic powders, organic matrix, and heat on the coating material were investigated. Coating material was characterized by FTIR spectrophotometer. Surface properties and thermal resistance of the coating materials were investigated by SEM and TGA analyses. After thermal curing, contact angles of these coatings with H 2 O and n ‐hexadecane were measured. It was observed that coatings like ceramic particles are more resistant against scratch and abrasion than the other coatings. Also, they are harder than coatings, which do not include ceramic particles. It was seen that coatings, containing Fluorolink D10H, have high‐contact angles with water and n ‐hexadecane. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 2386–2392, 2006