On the use, characterization and performance of silane coupling agents between organic coatings and metallic or ceramic substrates
- University of Cincinnati, Cincinnati, Ohio 45221-0012 (United States)
- University College of Falun Borlaenge P.O. Box 764 S-78127 Borlaenge (Sweden)
Examples are given of the use of organofunctional silane coupling agents for promoting bonding between organic coatings and metallic or ceramic (i.e. oxide) substrates. The orientation of the silane molecules and the type of bonding with the metal oxide can be determined successfully by Time-of-Flight SIMS. Oriented films of aminosilanes are demonstrated to be unstable in air. A prerinse with an inorganic silicate is introduced as a suitable method for masking the ubiquitous carbonaceous contamination at the metal surface, thus promoting the proper orientation and covalent bonding. Some practical applications are described, such as the pretreatment of Galvalume{sup {sq_bullet}} surfaces as a replacement of existing chromate treatments in coil coating applications. Electrochemical Impedance Spectroscopy (EIS) is shown to be a powerful tool for studying the performance of the silane treatment under a paint. {copyright} {ital 1996 American Institute of Physics.}
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 286469
- Report Number(s):
- CONF-950119-; ISSN 0094-243X; TRN: 96:022374
- Journal Information:
- AIP Conference Proceedings, Vol. 354, Issue 1; Conference: 53. international meeting of physical chemistry: organic coatings, Paris (France), 2-6 Jan 1995; Other Information: PBD: Jan 1996
- Country of Publication:
- United States
- Language:
- English
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