MULTILAYER SHEET, BACKSHEET FOR SOLAR CELL AND SOLAR CELL MODULE
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United States of America Patent
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Issued Date -
Jul 16, 2015
app pub date -
Jul 22, 2013
filing date -
Jul 23, 2012
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Abstract
Provided are a multilayer sheet, a backsheet for solar cell, and a solar cell module superior in weather resistance, heat resistance, moisture resistance, flame resistance, and also interlayer adhesion. A multilayer sheet 10, comprising a first resin layer 1 of a polyphenylene ether-containing resin composition, a second resin layer 2 of a polyvinylidene fluoride-based resin composition, and an adhesion resin layer 3, which is placed between the first and second resin layers, of one or more resins selected from acrylic resins and polymers having a structural unit derived from conjugated diene, wherein the adhesion resin layer 3 is fused both to the first and second resin layers 1 and 2. In addition, a backsheet comprising the multilayer sheet 10 is placed on and bonded to the non-light-receiving surface of a solar cell module, to give a solar cell module.
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