Materials Reports  2020, Vol. 34 Issue (Z2): 594-597 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Research Progress of Polyurethane Coating for MW-level Wind Turbine Blade |
| LI Peixin, YUAN Ling, PAN Lei, LIU Weichao, ZHOU Wenming, REN Tuo
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| Guodian United Power Co., Ltd., Beijing 100039, China |
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Abstract In view of the existing problems in polyurethane coatings for MW wind power blades, the research progress of domestic and foreign research institutions was compared, and it was proposed to improve the performance of polyurethane coatings from different aspects. The progress in mechanical properties, weather resistance, environmental protection and technological properties of polyurethane was reviewed. It is found that the combination of acrylic acid and polyester can play to the advantages of the two resins by modifying acrylic resin with polyester, which can effectively improve the properties of dryness,weather resistance, wear resistance, flexibility and adhesion. The hardness and mechanical properties of the coating can be improved by selecting suitable curing agent and introducing nano-particles into the coating. Through the design of waterborne polyurethane coating, the coating has advantages in environmental protection, and can improve the dryness, wear resistance and weather resis-tance. The combination of bottom-surface integration process in the blade coating process can effectively improve the process efficiency, and the film thickness is more uniform.
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Published: 08 January 2021
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| Fund:This work was financially supported by the CHN Energy Project-New Offshore Low Wind Speed Wind Turbine Product Development (GJNY-18-11). |
| About author:: Peixin Li, Guodian United Power Technology Co. LTD, engineer, received his Ph.D. degree in chemical engineering and technology from the Beijing University of Chemical Technology (BUCT) in Sep. 2012—Jan. 2018. After graduation, he worked in Guodian United Power Technology Co., LTD., a subsidiary of CHN Energy. He has already published over 11 papers in top domestic and foreign academic journals, including Applied Catalysis B and Journal of Catalysis, and has applied for 3 national invention patents. At the same time, he won the National Scholarship in 2014 and the enterprise Runtu Scholarship in 2017. The research work mainly focuses on the advanced composite materials developed by the state, and carries out the basic theory and application research on the application of advanced composite materials of wind power blade. |
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