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Abstract
Results of EIS investigation, outdoor exposure and accelerated testing for polyurethane and the normal temperature-cured fluoropolymer top coatings are presented. Both systems show very high durability in tropical environment. It was demonstrated that fluoropolymer coating is extremely superior to the other systems in weatherability. Its gloss retention is over 60% after 3 years of testing, meanwhile this value is only 20 - 40% for polyurethane couting. Similar conclusions are obtained from data of roughness and 3D profiles of couting surface. Values of fluoropolymer coating resistance Rc and capacitance C, calculated from Nyquist plots, unremarkably changed before and after 4 years of outdoor testing.
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Article Details
Issue: Vol 8 No 2 (2005)
Page No.: 10-16
Published: Feb 28, 2005
Section: Article
DOI: https://doi.org/10.32508/stdj.v8i2.2964
Copyright Info
Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
How to Cite
Tru, N., Phuong Thoa, N., Ai, N., & Tanabe, H. (2005). THE DURABILITY OF POLYURETHANE AND NORMAL TEMPERATURE CURED FLUOROPOLYMER COATINGS IN TROPICAL ENVIRONMENT. Science and Technology Development Journal, 8(2), 10-16. https://doi.org/https://doi.org/10.32508/stdj.v8i2.2964
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