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PRECOATED METAL PLATE AND METHOD FOR MANUFACTURING THE SAME EXCELLENT IN PROJECTING PROPERTY AND EXCELLENT IN MARKER DRAWING PROPERTY AND WIPING PROPERTY
PRECOATED METAL PLATE AND METHOD FOR MANUFACTURING THE SAME EXCELLENT IN PROJECTING PROPERTY AND EXCELLENT IN MARKER DRAWING PROPERTY AND WIPING PROPERTY
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机译:预涂金属板及其制造,投影机性能和擦拭性能方面的出色表现的方法
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摘要
PROBLEM TO BE SOLVED: To provide a precoated metal plate and a method for manufacturing the precoated metal plate having sufficient performances required for a writing board on which an image can be projected by a projector and characters or figures can be written with a maker on a projected screen and can be erased.SOLUTION: The precoated metal plate excellent in projecting property as well as excellent in marker drawing property and wiping property is a coated metal plate comprising a metal plate at least one surface of which is coated with a coating layer having a base coat layer and a top coat layer. The top coat layer contains a silicone-acrylic resin compound (a) by 0.01 to 50 wt.%, which has a glass transition temperature of -19 to 80°C, a number average molecular weight of 2000 to 20000 and 1 to 50 wt.% silicone content percentage, and a matting agent (b). The precoated metal plate can be manufactured by simultaneous multilayer application of the base coat layer and the top coat layer.
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