Journal
INTERNATIONAL JOURNAL OF POLYMER SCIENCE
Volume 2017, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2017/5017356
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Funding
- Jiangsu Basic Research Program [BK20150887]
- Jiangsu University Natural Science Research Project [14KJB220007]
- Youth Science and Technology Innovation Fund of Nanjing Forestry University [CX2016018]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- China Postdoctoral Science Foundation [2015M570444]
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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.
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