US 12,344,021 B2
Release member-integrated image forming sheet, release member-integrated image sheet, image sheet, method for manufacturing image sheet, decorative product, and method for manufacturing decorative product
Shinya Yoda, Tokyo (JP); Hiroto Matsui, Tokyo (JP); and Yoshimasa Kobayashi, Tokyo (JP)
Assigned to Dai Nippon Printing Co., Ltd., Tokyo (JP)
Appl. No. 17/759,652
Filed by Dai Nippon Printing Co., Ltd., Tokyo (JP)
PCT Filed Feb. 4, 2021, PCT No. PCT/JP2021/004078
§ 371(c)(1), (2) Date Jul. 28, 2022,
PCT Pub. No. WO2021/157649, PCT Pub. Date Aug. 12, 2021.
Claims priority of application No. 2020-018389 (JP), filed on Feb. 5, 2020.
Prior Publication US 2023/0072875 A1, Mar. 9, 2023
Int. Cl. B41M 5/40 (2006.01); B44C 1/17 (2006.01)
CPC B41M 5/40 (2013.01) [B41M 2205/10 (2013.01); B41M 2205/32 (2013.01); B41M 2205/36 (2013.01); B44C 1/172 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A release member-integrated image forming sheet, comprising:
an image forming sheet integrated with a release member,
wherein the image forming sheet is separable from the release member,
wherein the image forming sheet comprises an image layer before image formation,
wherein the image forming sheet has a laminated structure in which a base material and the image layer, before image formation, are laminated from the release member side in this order,
wherein the release member has a laminated structure in which a support for the release member, a void layer, a resin layer are laminated in this order,
wherein the support for the release member is a paper base material,
wherein a stable peeling force when the image forming sheet is separated from the release member under conditions of a temperature of 25° C. and an angle of 30° is 1,000 mN/cm or less, and
wherein the release member has a dynamic coefficient of friction between front and back surfaces of the release member of 0.3 or more and 0.9 or less.