DECORATIVE SHEET AND METHOD FOR PRODUCING DECORATIVE SHEET

WIPO Patent Application WO/2023/171805

A1

Provided are: a decorative sheet having an excellent design with a glossiness of 15 or less and having anti-fingerprint properties, high durability (particularly scratch resistance and stain resistance), and processability; and a method for producing the decorative sheet. A decorative sheet (1) according to an embodiment of the present invention comprises an original fabric layer (2) and a surface-protective layer (5), wherein: the surface-protective layer (5) has a glossiness of 15 or less, has a ridged portion disposed on the surface thereof so as to protrude in the shape of ridges, and has an uneven shape; and the surface-protective layer (5) is composed mainly of an ionizing-radiation-curable resin; the ionizing-radiation-curable resin comprises, as a main component, a tetrafunctional acrylic resin having a repeating structure, the number of repetitions of the repeating structure being 12 or greater; the ionizing-radiation-curable resin contains vinyl groups in an amount of 20% or less with respect to carbonyl groups contained in the ionizing-radiation-curable resin; and the RSm/Ra of the uneven shape of the surface-protective layer (5) is within a range of 10-300.

AKUTSU Erika (5-1 Taito 1-chome, Taito-k, Tokyo 16, JP)
NISHIKAWA Yohei (5-1 Taito 1-chome, Taito-k, Tokyo 16, JP)
SHIMIZU Kosuke (5-1 Taito 1-chome, Taito-k, Tokyo 16, JP)

PCT/JP2023/009407

September 14, 2023

March 10, 2023

Click for automatic bibliography generation  

TOPPAN INC. (Taito-ku Tokyo, 16, JP)

B32B27/00; E04F15/02

HIROSE Hajime et al. (Shiroyama Trust Tower 32F 3-1, Toranomon 4-chome, Minato-k, Tokyo 32, JP)

View/Download PDF      PDF Help

Previous Patent: ANTIVIRAL ANTISENSE OLIGOMER

Next Patent: THERAPEUTIC OR PROPHYLACTIC AGENT FOR DISEASES ASSOCIATED WITH MITOCHONDRIAL DYSFUNCTIONS