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02-08-2017

Intermediate Film for Laminated Glass, and Laminated Glass

INTERMEDIATE FILM FOR LAMINATED GLASS, AND LAMINATED GLASS (© European Patent Office)

There is provided an interlayer film for laminated glass with which the adhesivity between a plastic layer and a resin layer can be heightened and the handling properties of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes a plastic layer with a Young's modulus of higher than or equal to 1 GPa and a first resin layer layered on a first surface of the plastic layer, and is provided with a second resin layer layered on a second surface opposite to the first surface of the plastic layer or is provided with no second resin layer on a second surface opposite to the first surface of the plastic layer, and when a first lamination interface between the plastic layer and the first resin layer on a section in the thickness direction of the interlayer film is observed, the proportion of the length of a portion, which is not brought into contact with the first resin layer, of the plastic layer in the first lamination interface to 100% of the whole length of the plastic layer in the first lamination interface is less than or equal to 75%.

Document: EP3127880A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 03-31-2015
Publication date: 02-08-2017
Applicant: SEKISUI CHEMICAL CO LTD, JP
Inventor: NAKAJIMA DAISUKE, JP ; YAMAGUCHI KOUHEI, JP ; YAMAMOTO MASAKI, JP


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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