Patent ID: 9064995
Filing Date: 2015-06-23
Classification: B32B,H01L,Y02E

Abstract:
1. A back face protection sheet for solar cell modules comprising a hydrolysis resistant polyethylene terephthalate film laminated with a layered body or with another film by an adhesive produced by mixing 100 parts by weight of a polyester polyol (a) with 5 to 30 parts by weight of an epoxy resin (b), 1 to 10 parts by weight of a carbodiimide compound (d), 10 to 30 parts by weight of a polyisocyanate compound (e), and 5 to 30 parts by weight of a polycarbonate polyol (c), wherein a polyethylene film, a white plastic film, and a hydrolysis resistant polyethylene terephthalate film are laminated in that order by the adhesive.