发明名称 MULTILAYERED PAPER CONTAINING RECYCLED PULP AND METHOD FOR PRODUCING THE SAME
摘要 PROBLEM TO BE SOLVED: To provide a multilayered paper containing recycled pulp, which is hardly yellowed even when being exposed to light such as sunlight and ultraviolet rays, and is produced by recycling resources.SOLUTION: The multilayered paper containing recycled pulp contains 40 mass% or more of recycled pulp in the whole of a base paper. When layers are defined as a surface layer, a back side layer and an intermediate layer that is arranged between the surface layer and the back side layer respectively, (1) the intermediate layer is formed by one or more layers; (2) a blending ratio of recycled pulp in the intermediate layer is 90 mass% or more; (3) a blending ratio of recycled pulp in either the surface layer or the back side layer, or in both layers is 20 mass% or less; (4) a surface of at least either the surface layer or the back side layer is a coated surface formed by applying a treatment liquid containing either an ultraviolet ray absorber or sodium hypophosphite, or containing both of the ultraviolet ray absorber and sodium hypophosphite; and (5) the multilayered paper does not have an inkjet ink-receiving layer.
申请公布号 JP2013185294(A) 申请公布日期 2013.09.19
申请号 JP20130128942 申请日期 2013.06.19
申请人 HOKUETSU KISHU PAPER CO LTD 发明人 SAKAZUME HISATO;OKADA YOSHIHITO;WATANABE KAZUKI;OTA YOSHIHIKO
分类号 D21H27/00;D21H11/14;D21H19/10 主分类号 D21H27/00
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