Title:
BACK SURFACE PROTECTIVE FILM FOR SOLAR CELL, PRODUCTION METHOD FOR SAME, AND SOLAR CELL MODULE
Document Type and Number:
WIPO Patent Application WO/2011/132588
Kind Code:
A1
Abstract:
Disclosed is a back surface protective film (1) for a solar cell, comprising a first resin layer (11) and a second resin layer (12) disposed on one surface side of this first resin layer. The first resin layer is a resin layer which includes a rubber-containing aromatic vinyl resin and a white colorant and has a thickness of 10 to 300 μm and a maximum glass transition temperature of 90ºC to 120ºC. The second resin layer is a resin layer that includes a saturated polyester resin and has a thickness of 10 to 300 μm. Said second resin layer is also a resin layer formed from a film that has a rate of change of ±0.5% max. before and after being left for 30 minutes at 135°C.
Inventors:
WATANABE Atsushi (1-9-2, Higashi-Shinbashi, Minato-k, Tokyo 21, 〒1050021, JP)
渡邉 篤史 (〒21 東京都港区東新橋一丁目９番２号 テクノポリマー株式会社内 Tokyo, 〒1050021, JP)
渡邉 篤史 (〒21 東京都港区東新橋一丁目９番２号 テクノポリマー株式会社内 Tokyo, 〒1050021, JP)
Application Number:
JP2011/059210
Publication Date:
October 27, 2011
Filing Date:
April 13, 2011
Export Citation:
Assignee:
Techno Polymer Co., Ltd. (1-9-2, Higashi-Shinbashi Minato-k, Tokyo 21, 〒1050021, JP)
テクノポリマー株式会社 (〒21 東京都港区東新橋一丁目９番２号 Tokyo, 〒1050021, JP)
WATANABE Atsushi (1-9-2, Higashi-Shinbashi, Minato-k, Tokyo 21, 〒1050021, JP)
テクノポリマー株式会社 (〒21 東京都港区東新橋一丁目９番２号 Tokyo, 〒1050021, JP)
WATANABE Atsushi (1-9-2, Higashi-Shinbashi, Minato-k, Tokyo 21, 〒1050021, JP)
International Classes:
H01L31/042; B32B27/36
Attorney, Agent or Firm:
KOJIMA Seiji (JINGUHIGASHI ATSUTA Bldg, 4F. 8-20, Jingu 3-chome, Atsuta-ku, Nagoya-sh, Aichi 31, 〒4560031, JP)
Download PDF:
Claims: