Title:
防湿性紙およびその製造方法
Document Type and Number:
Japanese Patent JP7366567
Kind Code:
B2
Abstract:
To provide a moisture-proof paper having both moisture-proof and waterproof properties, and to provide a method for producing the same.SOLUTION: A moisture-proof paper of this invention comprises a paper base material and a coating layer located on at least one surface of the paper base material, it has a moisture permeability of 50 g/m2 .24 h or less, and the frequency of existence of blisters having a diameter of 50 μm or more on the surface of the coating layer is 30 pieces/cm2 or less. The paper base material is a single-layer paper or a multi-layer paper base material. The coating amount of the coating layer is 20 g/m2 or less. The basis weight of the paper base material is 10 g/m2 or more and 750 g/m2 or less.SELECTED DRAWING: None
Inventors:
Yuki Kawasanada
Tomoya Hatakeyama
Hiroyuki Okumura
Tomoya Hatakeyama
Hiroyuki Okumura
Application Number:
JP2019066897A
Publication Date:
October 23, 2023
Filing Date:
March 29, 2019
Export Citation:
Assignee:
NIPPON PAPER INDUSTRIES CO.,LTD.
International Classes:
D21H19/18; B05D3/00; B05D3/02; B05D5/00; B05D7/00; D21H19/20; D21H19/22; D21H25/16; D21H27/00
Domestic Patent References:
| JP2001288695A |
Attorney, Agent or Firm:
Haruo Saito
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