Invention Grant
- Patent Title: Interlayer for laminated glass, and laminated glass
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Application No.: US15455355Application Date: 2017-03-10
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Publication No.: US10967612B2Publication Date: 2021-04-06
- Inventor: Tatsuya Iwamoto , Nami Minakuchi , Yuuma Takeda
- 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: Osha Bergman Watanabe & Burton LLP
- Priority: JPJP2014-187077 20140912,JPJP2014-187078 20140912,JPJP2014-187079 20140912,JPJP2014-187080 20140912,JPJP2014-187081 20140912,JPJP2014-187082 20140912,JPJP2014-187083 20140912
- Main IPC: B32B17/10
- IPC: B32B17/10 ; B32B7/022 ; B32B7/02 ; B32B7/027 ; B32B27/08 ; B32B27/20 ; B32B27/30 ; C03C27/00

Abstract:
An interlayer film for laminated glass includes a first layer containing thermoplastic resin and silica particles; and a second layer containing a thermoplastic resin, wherein the first layer has tan δ of 0.8 or greater at 200° C., and wherein the second layer is disposed on a first surface side of the first layer, and has a glass transition temperature higher than a glass transition temperature of the first layer.
Public/Granted literature
- US20170182747A1 INTERLAYER FOR LAMINATED GLASS, AND LAMINATED GLASS Public/Granted day:2017-06-29
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