| YANG Fei,ZHU Li-qun,LI Chun-yu,WANG Xian-ming,NING Liang.Preparation of Fluorinated and Silicone Acrylic Polyurethane Coatings and Their Environmental Behaviors[J],44(2):19-23,67 |
| Preparation of Fluorinated and Silicone Acrylic Polyurethane Coatings and Their Environmental Behaviors |
| Received:September 05, 2014 Revised:February 20, 2015 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2015.02.004 |
| KeyWord:coating acrylic polyurethane fluorinated coating silicone coating environment behavior failure |
| Author | Institution |
| YANG Fei |
1. Beihang University, Beijing , China;2. Wuhan Second Ship Design and Research Institute, Wuhan , China; |
| ZHU Li-qun |
Beihang University, Beijing , China |
| LI Chun-yu |
Beihang University, Beijing , China |
| WANG Xian-ming |
Marine Chemical Research Institute, Qingdao , China |
| NING Liang |
Marine Chemical Research Institute, Qingdao , China |
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| Abstract: |
| Objective To investigate the failure behaviors of different coatings in different environments. Methods Acrylic resins with certain amount of hydroxyl were prepared via a solution polymerization route. Acrylic polyurethane coating was obtained by mixing the acrylic resins with polyisocyanate. Fluorinated acrylic polyurethane coating was prepared by introducing fluorinated acrylate into the synthesis of the acrylic resins, while silicone acrylic polyurethane coating was synthesized by introducing amino silicone oil into the curing process of the coatings. The chemical structure of the coatings was confirmed by FT-IR. Failure behaviors of the coatings in different temperature environments ( room temperature, 100 ℃ , 150 ℃ ), hydrothermal environment and xenon arc lamp artificial aging experiment were monitored by characterizing the contact angle and glossiness of the coatings. Results The hydrophobicity of the coatings was effectively improved by the incorporation of the fluorine and silicon components. The normal, fluorinated and silicone acrylic polyurethane coatings had stable hydrophobicity and glossiness in environments with a temperature below 100 ℃ . Among the three coatings, the fluorinated coating failed most slowly in the xenon lamp aging test, and the silicone coating failed most slowly in the high-temperature environment (150 ℃ ). Hydrothermal environment had no significant influence on the contact angle and glossiness of all the three coatings. Conclusion Fluorinated coating showed better resistance to photo-aging, while silicone coating had better resistance to the high-temperature environment. |
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