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09-10-2014

Backsheet for Solar Cell Module, Laminate, and Solar Cell Module

An object of the present invention is to provide a backsheet, laminate, and solar cell module that can prevent the infiltration of water through a region of adhesion with the junction box. The present invention is a backsheet for a solar cell module, the backsheet having a water-impermeable sheet and a coating film formed on at least one side of the water-impermeable sheet, wherein the coating film is formed from a coating material containing a curable functional group-containing fluorinated polymer; a first surface treatment layer is formed on the coating film at least on a surface on an opposite side to the water-impermeable sheet; and the wetting index of the first surface treatment layer is at least 40 dyn/cm.

Document: EP2775535A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 11-02-2012
Publication date: 09-10-2014
Applicant: DAIKIN IND LTD, JP
Inventor: ASANO KAZUYA, JP ; GOBOU KENJI, JP ; NAKAGAWA HIDETO, JP ; OZAKI HIDENORI, JP ; SAGISAKA SHIGEHITO, 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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