Invention Grant
- Patent Title: Laminate
-
Application No.: US17256727Application Date: 2019-07-19
-
Publication No.: US11766850B2Publication Date: 2023-09-26
- Inventor: Daisuke Fujiki , Toshihiko Fujinaka
- Applicant: DAICEL-EVONIK LTD.
- Applicant Address: JP Tokyo
- Assignee: DAICEL-EVONIK LTD.
- Current Assignee: DAICEL-EVONIK LTD.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP 18138165 2018.07.24
- International Application: PCT/JP2019/028424 2019.07.19
- International Announcement: WO2020/022204A 2020.01.30
- Date entered country: 2020-12-29
- Main IPC: B32B27/08
- IPC: B32B27/08 ; B32B7/023 ; B32B3/30 ; B32B15/095 ; B32B15/20 ; B29C51/14 ; B32B27/34 ; B32B27/40 ; C08L75/04 ; C08L77/02 ; C08L77/06

Abstract:
Provided is a laminate that generates a structural color, where the laminate can be subjected to a deep-drawing process without deteriorating the color developing structure of the structural color. The laminate according to an embodiment of the present invention includes a polyamide layer (1) and a thermoplastic polyurethane layer (2) having a color developing structure of a structural color. The thermoplastic polyurethane layer (2) is preferably a thermoplastic polyurethane layer having a structure having recesses and protrusions on a face that is opposite a face in contact with the polyamide layer (1) or a layer formed by alternately laminating two types of thermoplastic polyurethanes having a difference in refractive indexes of 0.03 or greater.
Public/Granted literature
- US20210370649A1 LAMINATE Public/Granted day:2021-12-02
Information query