The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2025
Filed:
Sep. 22, 2020
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Satoshi Furuta, Asaka, JP;
Osamu Goto, Yoshikawa, JP;
Toshiyuki Sakai, Tsukuba, JP;
Mayuko Komurasaki, Misato, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Abstract
A decorative sheet having a surface protective layer on substrate, wherein the surface protective layer is obtained by crosslinking and curing composition A containing an ionizing radiation-curable resin composition and radical scavenger; the radical scavenger contains radical scavenger i which includes ethylenic double bond polymerizable with ionizing radiation-curable resin composition and radical scavenger ii which does not include ethylenic double bond polymerizable with ionizing radiation-curable resin composition; a content of radical scavenger in composition A is not less than 0.5 parts by mass and less than 10.0 parts by mass based on 100 parts by mass of the ionizing radiation-curable resin composition; and a water vapor transmission rate of the decorative sheet when measured in accordance with Testing Methods for Determination of the Water Vapor Transmission Rate of Moisture-Proof Packaging Materials (Dish Method) defined in JIS Z0208:1976 is not less than 0.75 g/m·24 h and not more than 45 g/m·24 h.