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INTRODUCTION During the last 20 years, UV coatings havegrown from their first applications in furniturecoatings to embrace many industries includingelectronics, printing and automotive. Because oftheir fast production rates, low temperature cureand volatile organic compound (VOC) reduction,UV curable coatings have achieved fast growth inthe coating market. However, in the conventionalUV-cured coating system, the reactive diluentsused to reduce the viscosity have strong odor,toxic… 相似文献
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Two kinds of water-soluble and ultraviolet (UV) curable oligomers were synthesized and characterized. The oligomers were evaluated as resins for water-based UV curable coating. The rheology of the two oligomers' aqueous solutions was investigated in terms of solid fraction, pH dependence, and temperature dependence. The solutions were found to be Newtonian fluid showing rather low viscosity even at high solid fraction of 0.55. The drying process of the coatings and the properties of the cured coatings were studied by comparing them with water-dispersed UV-curable polyurethane methyl acrylate. It was evident that the water-soluble coating dried more slowly; and that the overall properties were inferior to those of the water-dispersed coating. 相似文献
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