Title:
WRITING SHEET
Document Type and Number:
Japanese Patent JP2022039646
Kind Code:
A
Abstract:
To provide a writing sheet which enables clear writing by a writing instrument while preventing damage during writing, and has writing properties and erasability.SOLUTION: A writing sheet has a writing layer 2 that contains a polypropylene resin as a main raw material and has writing properties and erasability, an adhesive layer 3 stuck to a rear face 2b of the writing layer 2, and a base material layer 4 stuck to a rear face of the adhesive layer 3, in which the adhesive layer 3 is formed so as to have a viscosity coefficient higher than that of the writing layer 2 by a synthetic resin, and the base material layer 4 has higher rigidity than that of the writing layer 2.SELECTED DRAWING: Figure 2
Inventors:
ONIZUKA AKITAKA
HOSHINO KAZUKI
HOSHINO KAZUKI
Application Number:
JP2020144781A
Publication Date:
March 10, 2022
Filing Date:
August 28, 2020
Export Citation:
Assignee:
COSMO TEC KK
International Classes:
B42F7/00; B42D15/00; B42F9/00
Attorney, Agent or Firm:
Kazuki Hidaka
Kaoru Sekiguchi
Kaoru Sekiguchi
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