Title:
WALLPAPER SHEET, BUILDING MATERIAL
Document Type and Number:
Japanese Patent JP2022054523
Kind Code:
A
Abstract:
To provide a wallpaper sheet and a building material, having a sufficient adhesive strength and excellent reworkability capable of preventing a breakage of a backing layer when the wallpaper sheet is peeled off at a rework operation, and also to provide a wallpaper sheet and a building material capable of, at a rework operation using a plaster board as an adherend, preventing fiber peeling at board paper of the plaster board even if the wallpaper sheet is peeled off.SOLUTION: A wallpaper sheet 1 includes a decorative layer 11, a backing layer 12 and an adhesive layer 13 arranged in this order. An initial adhesive strength of the adhesive layer 13 in accordance with JIS Z0237 is 2 to 5 N. A delamination strength of the backing layer 12 is 12 N or more in a value by a measurement similar to an adhesive strength measurement in accordance with JIS Z0237, with one face of the backing layer 12 fixed to a fixation part by a joint strength sufficiently higher than the delamination strength of the backing layer 12.SELECTED DRAWING: Figure 1
Inventors:
SEKI MASASHI
Application Number:
JP2020161621A
Publication Date:
April 07, 2022
Filing Date:
September 28, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
C09J7/38; B32B7/022; B32B27/12; C09J7/29; E04F13/07
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hayashi Kazuyoshi
Tetsuo Shiba
Hayashi Kazuyoshi