Invention Grant
- Patent Title: Interlayer film for laminated glass and laminated glass
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Application No.: US16541373Application Date: 2019-08-15
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Publication No.: US10857763B2Publication Date: 2020-12-08
- Inventor: Taiga Yui , Takuya Kobayashi , Takeshi Kusudou , Koichiro Isoue
- Applicant: KURARAY CO., LTD.
- Applicant Address: JP Kurashiki
- Assignee: KURARAY CO., LTD.
- Current Assignee: KURARAY CO., LTD.
- Current Assignee Address: JP Kurashiki
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2014-228354 20141110; JP2014-246710 20141205
- Main IPC: B32B17/10
- IPC: B32B17/10 ; E06B3/66 ; B32B25/08 ; E06B3/67 ; B60J1/00 ; B32B25/04 ; B60J1/02 ; B60J1/08 ; B60J1/18 ; B60J7/043

Abstract:
The present invention provides an interlayer film for laminated glass which has excellent sound insulating properties even when the thickness is reduced, and also hardly causes optical unevenness.An interlayer film for laminated glass includes at least one layer A containing a thermoplastic elastomer, wherein the shear storage modulus of the layer A at 70° C. as measured by performing a dynamic viscoelasticity test at a frequency of 1,000 Hz in accordance with ASTM D4065-06 is 1 MPa or more, and a layer having a higher shear storage modulus than the layer A is provided on at least one surface of the layer A, and at least one surface of the interlayer film for laminated glass is in a state of having been shaped.
Public/Granted literature
- US20190375196A1 INTERLAYER FILM FOR LAMINATED GLASS AND LAMINATED GLASS Public/Granted day:2019-12-12
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