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

Author:

Yan Xiaoxing1,Cai Yunting1,Lu Rong2ORCID,Miyakoshi Tetsuo2

Affiliation:

1. College of Furniture and Industrial Design, Nanjing Forestry University, Nanjing 210037, China

2. Department of Industrial Chemistry, School of Science and Technology, Meiji University, 1-1-1 Higashi-Mita, Tama-ku, Kawasaki-shi 214-8571, Japan

Abstract

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.

Funder

Jiangsu Basic Research Program

Publisher

Hindawi Limited

Subject

Polymers and Plastics

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