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METHOD FOR MANUFACTURING CAST-COATED PAPER

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国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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PROBLEM TO BE SOLVED: To provide a method for manufacturing a cast-coated paper having high glossiness, high smoothness and high water repellency even if the coating amount of a pigment coating layer is relatively small. SOLUTION: The method for manufacturing a cast coated paper according to the present disclosure includes a step of coating at least one surface of a support consisting mainly of pulp with a coating liquid for a pigment coating layer containing a pigment and an adhesive and drying the coating liquid to provide the pigment coating layer, a step of coating the surface of the pigment coating layer with a coating liquid for a nanocellulose coating layer containing nanocellulose having a number average fiber diameter of 1 nm or more and less than 70 nm and drying the coating liquid to provide the nanocellulose coating layer, and a step of casting treatment in which a rewetting liquid containing a zirconium chloride is applied to the surface of the nanocellulose coating layer and then the coating layer is brought into contact with a heated mirror surface drum while the nanocellulose coating layer remains wet. SELECTED DRAWING: None
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国家林业和草原科学数据中心
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2023-02-12
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