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| Temporary Protection of Strippable Coatings for Seashore Nuclear Power Station Construction |
| Received:November 04, 2018 Revised:April 25, 2019 |
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| DOI：10.7643/ issn.1672-9242.2019.04.023 |
| KeyWord:strippable coating marine atmospheric environment strippable property protective performance residual ele-ments |
| Author | Institution |
| WANG Zhen-jun |
1. State Nuclear Power Engineering Company, Shanghai , China |
| SU Xiao-qiang |
2. Department of Applied Chemistry, Harbin Institute of Technology, Weihai , China |
| LI Jian |
1. State Nuclear Power Engineering Company, Shanghai , China |
| HU Hui-li |
2. Department of Applied Chemistry, Harbin Institute of Technology, Weihai , China |
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| Abstract: |
| Objective To investigate the temporary protective effect of strippable coatings on large engineering construction in marine atmospheric environment. Methods The weather resistance of strippable coatings from two manufactures was tested for a period of 12 weeks, including testing on strippable property, protective performance and residue of F/Cl elements of coatings on stainless steel and carbon steel/epoxy. Results Coating of two manufactures were similar in appearance, corrosion resistance and adhesive force. The peeling strength of the coatings was lower than 0.05 kN/m. The residue of F/Cl elements on the stainless steel surface was less than 15 μg/dm2 after the coatings were stripped. The color difference of epoxy paint changed a little during test period. Conclusion There are differences in the results of gloss, hardness and peel strength of strippable coatings from two manufacturers, but the epoxy paint coating has good protective and good strippable property but no residual of chemical elements. It has good engineering value. |
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