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US 10,525,677 B2Granted
Interlayer for laminated glass, and laminated glass
AssigneeSekisui Chemical Co., Ltd.
InventorsTatsuya Iwamoto, Nami Minakuchi, Yuuma Takeda
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Abstract
An interlayer film for laminated glass that has a one-layer structure or a two or more layer-structure includes a first layer containing a thermoplastic resin, wherein the first layer has a glass transition temperature of 10° C. or lower, and wherein the interlayer film has an equivalent stiffness of 2.4 MPa or greater at 25° C.
Claims20
An interlayer film for laminated glass comprising:
- a first layer containing a thermoplastic resin;
- a second layer containing a thermoplastic resin;
- and
- a third layer containing a thermoplastic resin,
- wherein the second layer is disposed on a first surface side of the first layer,
- wherein the third layer is disposed on a second surface side of the first layer that is opposite to the first surface,
- wherein the first layer has a glass transition temperature of 10° C. or lower,
- wherein the interlayer film has an equivalent stiffness of 2.4 MPa or greater at 25° C., and
- wherein, provided that a thickness of the interlayer film for laminated glass is T, a thickness of the first layer is 0.128 T or greater and 0.4 T or less.
6 more elements
Dependencies are inferred from the claim text.