IP Library Granted Patent US 10,583,635
Granted Patent B2
US 10,583,635 · App. 15/515,189 · Granted Mar 10, 2020

Decorative sheet

Inventors: Akihisa Noda (Tokyo, JP); Hiroki Kawanishi (Tokyo, JP)
Assignee: Dai Nippon Printing Co., Ltd.
B32B27/00C09D175/04C08J7/04C09D5/002C09D163/00C09D167/00
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Quick Facts
Patent No.
US 10,583,635
App. No.
15/515,189
Granted
Mar 10, 2020
Kind
B2
Abstract

The present invention provides a decorative sheet capable of vividly displaying deep-color designs including raven blackness. The decorative sheet includes a base material, and at least a protective layer, a primer layer, and a decorative layer laminated in this order on the base material, wherein the decorative layer contains a black pigment and the primer layer is formed of a cured product of a resin composition containing a resin A having a hydroxyl value of 44 mgKOH/g or less.

Claims (11)

1. A decorative resin molded article obtained by transferring a decorative sheet to a molded resin layer, wherein

the decorative sheet comprising a base material, and at least a protective layer, a primer layer and a decorative layer laminated in this order on the base material,

the decorative layer containing a black pigment,

the primer layer being formed of a cured product of a resin composition containing a resin A having a hydroxyl value of 44 mg KOH/g or less,

wherein the resin A has a glass transition temperature 80° C. or more, and

the decorative resin molded article has, on at least a part of a surface on the protective layer side, a black portion in which an L* value in the L*a*b* color system is 2.5 or less.

2. The decorative resin molded article according to claim 1 , wherein the resin A has a glass transition temperature in a range of 80 to 140° C.

3. The decorative resin molded article according to claim 1 , wherein the resin A has a hydroxyl value in a range of 0 to 25 mg KOH/g.

4. The decorative resin molded article according to claim 1 , wherein a content of the resin A in the resin composition is 10% by mass or more based on an amount of resin components contained in the resin composition.

5. The decorative resin molded article according to claim 1 , wherein the decorative layer is formed of the black pigment, and a resin composition containing a binder resin composed of the same resin as the resin A.

6. The decorative resin molded article according to claim 1 , wherein at least a part of the decorative layer has a portion displaying a black design.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 29, 2017
From: NODA, AKIHISA; KAWANISHI, HIROKI
To: DAI NIPPON PRINTING CO., LTD.
Reel/Frame 041778/0429 →
Priority Claims (1)
JP 2014-200482 · Sep 30, 2014 · national
Continuity (1)
Related Publication 20170217136A1 · Aug 3, 2017