Development and Characterization of New Coating Material of Blended Epoxy-Lacquer with Aluminum

This study investigated the effects of aluminum (Al) mass fraction on the performance of an epoxy-lacquer based coating. The conductivity increased and IR emissivity and gloss decreased with increased Al mass fraction. When the Al mass fraction was decreased from 40% to 30%, the adhesion and impact...

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Bibliographic Details
Published in:International journal of polymer science 2017-01, Vol.2017 (2017), p.1-8
Main Authors: Miyakoshi, Tetsuo, Lu, Rong, Cai, Yunting, Yan, Xiaoxing
Format: Article
Language:English
Subjects:
Adhesion
Adhesives
Aluminum
Corrosion resistance
Electrodes
Fourier transforms
Impact strength
Mechanical properties
Protective coatings
Science
Studies
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Summary:This study investigated the effects of aluminum (Al) mass fraction on the performance of an epoxy-lacquer based coating. The conductivity increased and IR emissivity and gloss decreased with increased Al mass fraction. When the Al mass fraction was decreased from 40% to 30%, the adhesion and impact strength of epoxy-lacquer based coatings increased and were grade 1 and 50 Kg·cm, respectively. When the Al mass fraction was decreased to 10%, the mechanical properties of epoxy-lacquer based coatings decreased. Potentiodynamic polarization and electrochemical impedance spectroscopy of coatings showed that epoxy-lacquer based coating with 30% Al mass fraction has the best corrosion resistance and the lowest porosity. The epoxy-lacquer based coating with the best stability was that of 30% Al mass fraction. Comparing epoxy-lacquer based coating with polyurethane based coating, the epoxy-lacquer based coating presents not only lower emissivity and gloss but also better mechanical properties and corrosion resistance.
ISSN:1687-9422
1687-9430
DOI:10.1155/2017/5017356