| .Development and Modification of High Performance Waterborne Polyurethane Coatings[J],49(11):296-302 |
| Development and Modification of High Performance Waterborne Polyurethane Coatings |
| Received:August 30, 2020 Revised:October 25, 2020 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2020.11.034 |
| KeyWord:s, 2015, 36(12):25-28. |
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| Abstract: |
| With the concept of promoting green development by ecological design gradually accepted by the public, a relatively safe and environmentally friendly waterborne coating, i.e. waterborne polyurethane coating, has been widely concerned in the field of architectural coatings. The purpose of application research of waterborne polyurethane coating is to optimize the coating performance, so that the coating can be widely used in buildings and other industries. In order to meet the requirements of the market for coating color saturation, water-proof, anti-corrosion, antifouling, anti-bacterial, wear-resistant, impact resistant, flame-retardant and heat-insulating properties, it is necessary to develop a variety of functional waterborne polyurethane coatings. However, due to the changes in composition by replacing organic solvents with environmentally friendly hydrophilic solvents, the application range has been limited. In order to adapt to the lightweight requirements of waterborne polyurethane coatings, experts and scholars have been committed to the modification of waterborne polyurethane coatings for a long time. The development status of high performance waterborne polyurethane coatings was summarized and the research progress and domestic related reports on the modification of waterborne polyurethane for performance optimization in recent years were reviewed. Based on the current research technology level of waterborne polyurethane at home and abroad, it was proposed that the main research direction of waterborne polyurethane coatings in the future was to develop products with better performance and more affordable price by surface modification, so as to realize the wide application of waterborne polyurethane coatings in the coating industry, and also meet the modern industrial development principles of developing environmentally friendly waterborne coatings. |
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