Decorative paper for resin-impregnated decorative plate, resin-impregnated decorative paper, and resin-impregnated decorative plate

Patent metadata

Field	Value
Publication number	US-11891756-B2
Application number	US-201917059161-A
Country	US
Kind code	B2
Filing date	May 14, 2019
Priority date	May 28, 2018
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

A base paper ( 6 ), a picture pattern layer ( 7 ) provided on a surface ( 6 a ) side of the base paper ( 6 ), and foaming agents ( 8 ) arranged on a surface ( 7 a ) of the picture pattern layer ( 7 ) or in the picture pattern layer ( 7 ) are provided. In the foaming agents ( 8 ), the average particle diameter after foaming is set to 15 μm or more and 250 μm or less and the foaming start temperature is set to 100° C. or more and 220° C. or less.

First claim

The invention claimed is:

1. A resin-impregnated decorative plate comprising:
a decorative paper; and
a thermosetting resin impregnated into the decorative paper;
the decorative paper comprising:
a base paper;
a picture pattern layer provided on a surface side of the base paper; and
a foaming agent arranged on a surface of the picture pattern layer or in the picture pattern layer, wherein
an average particle diameter after foaming of the foaming agent is 15 μm or more and 250 μm or less and a foaming start temperature the foaming agent is 100° C. or more and 220° C. or less, and
an average particle diameter before foaming of the foaming agent is ⅔ times or more and 50 times or less than a layer thickness of the picture pattern layer, and
wherein the impregnating thermosetting resin forms a resin layer having a plurality of uneven patterns which are arranged on and aligned with the foaming agent, and the uneven patterns having no scratches in a scratch resistance test.

2. The resin-impregnated decorative plate according to claim 1 , wherein
the foaming agent is aligned with a picture formed by the picture pattern layer.

3. The resin-impregnated decorative plate according to claim 1 , further comprising:
a base material integrated with the resin-impregnated decorative paper.

4. The resin-impregnated decorative plate according to claim 1 , wherein the average particle diameter before foaming of the foaming agent is 10 times or more and 50 times or less than the layer thickness of the picture pattern layer and the layer thickness of the picture pattern layer is 10 μm.

Assignees

• Toppan Printing Co Ltd

Inventors

• Harima Hajime
• Iseya Takahiro
• Harada Chiho

Classifications

• D06N7/0002 Primary

  Wallpaper or wall covering on textile basis · CPC title

• B32B5/18 Primary

  characterised by features of a layer {of} foamed material · CPC title

• B32B7/12

  using interposed adhesives or interposed materials with bonding properties · CPC title

• C08G73/0273

  Polyamines containing heterocyclic moieties in the main chain · CPC title

• B32B2260/046

  Synthetic resin · CPC title