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UV-CURABLE RESIN COMPOSITION FOR COATING IRON MATERIAL AND UV-CURABLE COATING STEEL SHEET, EXCELLENT IN HARDNESS AND PROCESSABILITY, PRODUCED BY USING THE SAME
UV-CURABLE RESIN COMPOSITION FOR COATING IRON MATERIAL AND UV-CURABLE COATING STEEL SHEET, EXCELLENT IN HARDNESS AND PROCESSABILITY, PRODUCED BY USING THE SAME
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机译:涂覆铁材料的紫外线固化树脂组合物和硬度和可加工性优异的涂料用于铁材料和紫外线固化涂料钢板
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摘要
PURPOSE: Provided are a UV-curable resin composition for coating iron material and a UV-curable coating steel sheet excellent in hardness and processability, which is produced by using the UV-curable resin composition. CONSTITUTION: The UV-curable resin composition comprises: a mixture comprising 40-60pts.wt. of an acrylate oligomer and 40-60pts.wt. of a reactive diluent comprising 30-40pts.wt. of trimethylol propane triacrylate(TMPTA) and 60-70pts.wt. of isobornyl acrylate(IBOA); 3-5pts.wt. of an acrylic acid or methacrylic acid compound as an adhesive; 3-8pts.wt. of 2-hydroxy-2-methyl-1-phenyl-propane-1-one as a photo-initiator. And the UV-curable coating steel sheet is produced by coating a steel sheet with the UV-curable resin composition and then exposing in the wavelength range of 250-400nm for 5-30 seconds in a UV-curable device.
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