It is understood that waterborne polyurethane is a type of material that can be dispersed and swelled in water. Because of its low volatile organic content, it has a lot of room for development in industrial water paint, architectural coatings, material coatings, and water-based adhesives. Relevant information shows that the annual demand for architectural coatings in China is about 2.5 million tons, of which up to 1.2 million tons can be replaced by waterborne polyurethane coatings. This alone has a market space of 10 billion yuan.
Ge Guofu, general manager of Jiangsu Yuyang Zhenyu Chemical Co., Ltd., told reporters that after decades of development abroad, waterborne polyurethane products have approached or reached the level of solvent-based products in automotive coatings, leather finishing agents, adhesives and other areas, the future development trend It is to increase the added value of products, develop advanced technology, and open up new areas of application. At present, there are no professional water-based paint manufacturers that are truly competitive in China. The core technology for the synthesis of water-based polyurethane resins is also unacceptable. The quality of products is not stable, performance is generally low, and the scale of production is small.
A senior engineer from Shandong Province stated that with the increasing awareness of environmental protection in the entire society, there is a vast market space for waterborne polyurethanes with good environmental performance. At this stage, the development direction of waterborne polyurethane technology in China should focus on the following aspects: minimize the use of organic solvents, and finally achieve solvent-free; strive to improve the mechanical properties, solid content and adhesive strength of waterborne polyurethane materials, especially the initial bonding strength Actively explore new areas of application; Strengthen basic theoretical research related to waterborne polyurethane materials; Strengthen research and development of waterborne polyurethane special equipment.
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