申请人:Asahi Glass Company, Limited
公开号:US20150179850A1
公开(公告)日:2015-06-25
To provide a resin film having excellent ultraviolet shielding properties, having an excellent outer appearance, further heaving excellent weather resistance, being hardly changeable in optical properties and mechanical properties over a long period of time, and being capable of being formed into a thin film of at most 20 μm, a backsheet provided with the resin film, and a solar cell module provided with the backsheet.
A resin film comprising a resin composition containing a fluororesin (A), particles (B) containing titanium oxide as the main component, a phosphorus compound (C) and a silicone oil (D), wherein the phosphorus compound (C) is at least one member selected from the group consisting of a phosphonite compound (C1), a phosphonate compound (C2) and a phosphate compound (C3) respectively represented by specific formulae and having specific molecular weights, the content of the phosphorus compound (C) is from 0.20 to 2.0 parts by mass per 100 parts by mass of the particles (B), and the content of the silicone oil (D) is from 0.2 to 2.5 parts by mass per 100 parts by mass of the particles (B).