Invention Grant
- Patent Title: Multilayer film and method for producing same
-
Application No.: US14389144Application Date: 2013-02-07
-
Publication No.: US09604435B2Publication Date: 2017-03-28
- Inventor: Kazuyoshi Ota , Yu Abe , Yasushi Takada
- Applicant: TORAY INDUSTRIES, INC.
- Applicant Address: JP Tokyo
- Assignee: TORAY INDUSTRIES, INC.
- Current Assignee: TORAY INDUSTRIES, INC.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2012-079363 20120330
- International Application: PCT/JP2013/052874 WO 20130207
- International Announcement: WO2013/145875 WO 20131003
- Main IPC: B32B27/16
- IPC: B32B27/16 ; B32B27/26 ; B32B27/36 ; B32B27/08 ; B32B27/30 ; B32B38/00 ; B32B37/18 ; B32B37/24

Abstract:
Provided is a multilayer film, in which a resin layer obtained using a resin (α) is provided on at least one surface of a polyester film, and which satisfies the conditions (I)-(IV) described below. (I) The resin layer has a thickness of 80-500 nm. (II) The resin layer has a pencil hardness of F or higher. (III) The multilayer film has a haze of 3.0% or less. (IV) The resin (α) is a resin that is obtained by heating a resin composition, which contains a resin (A) that has a hydroxyl group and an acryloyl group and a melamine compound (B) that has a methylol group, at 150° C. or higher. This multilayer film has a transparent resin layer that has a predominantly thin thickness of 500 nm or less, while having high hardness and excellent oligomer precipitation inhibiting properties.
Public/Granted literature
- US20150072140A1 MULTILAYER FILM AND METHOD FOR PRODUCING SAME Public/Granted day:2015-03-12
Information query