Invention Grant
- Patent Title: Intermediate film for laminated glass and laminated glass
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Application No.: US14898119Application Date: 2014-06-13
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Publication No.: US10363721B2Publication Date: 2019-07-30
- Inventor: Ryuta Tsunoda , Yasuyuki Izu
- Applicant: SEKISUI CHEMICAL CO., LTD.
- Applicant Address: JP Osaka
- Assignee: SEKISUI CHEMICAL CO., LTD.
- Current Assignee: SEKISUI CHEMICAL CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: Cheng Law Group, PLLC
- Priority: JP2013-125728 20130614; JP2014-014942 20140129; JP2014-014943 20140129
- International Application: PCT/JP2014/065811 WO 20140613
- International Announcement: WO2014/200107 WO 20141218
- Main IPC: B23B27/08
- IPC: B23B27/08 ; C08K13/02 ; C08K5/56 ; C08J5/18 ; C03C27/06 ; B32B17/10 ; B32B27/08 ; C08K5/098 ; C08K5/103 ; C08K5/3465 ; G02B5/20

Abstract:
There is provided an interlayer film for laminated glass with which any of the anti-glare property, light resistance and visibility in a dark place of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes a thermoplastic resin and has a ratio L′s/Ls of the relative scotopic vision luminance L′s to the relative photopic vision luminance Ls to be greater than or equal to 1.0 at the time of preparing laminated glass with two sheets of clear glass in accordance with JIS R3202 (1996), and the interlayer film for laminated glass according to the present invention preferably includes at least one kind of ingredient among a phthalocyanine compound, a naphthalocyanine compound, an anthracyanine compound and an indanthrene compound which have a maximum absorption wavelength greater than or equal to 550 nm and less than or equal to 750 nm.
Public/Granted literature
- US20160152007A1 INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS Public/Granted day:2016-06-02
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