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Title:
A solar cell layer with the tarpaulin for solar cells, and a tarpaulin, and a waterproofing structure
Document Type and Number:
Japanese Patent JP6205790
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a waterproof sheet for solar cell having excellent workability, flexibility, mechanical characteristics, adhesion to a solar cell layer, and waterproofness, and preventing power generation capacity of a solar cell from lowering, and to provide a solar cell layer with such a waterproof sheet, and a waterproof structure.SOLUTION: A waterproof sheet for solar cell contains polyvinyl chloride having a polymerization degree of 300-1300 measured in accordance with JIS K6721, and the content of liquid plasticizer is 2 wt% or less. Preferably, the waterproof sheet for solar cell contains a plasticizer compatible with the polyvinyl chloride and has solid state at room temperature. Content of the solid state plasticizer of the waterproof sheet for solar cell is preferably 10-50 wt%.

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Inventors:
Hiroyuki Betsumiya
Junpei Morimoto
Toshio Kondo
Application Number:
JP2013075052A
Publication Date:
October 04, 2017
Filing Date:
March 29, 2013
Export Citation:
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Assignee:
Sumitomo Waterproofing Co., Ltd.
International Classes:
H01L31/048; B32B27/30; E04D5/00; H01L31/049; H02S20/26; H02S30/00
Domestic Patent References:
JP8319389A
JP2129251A
JP2006001963A
JP5306343A
JP2012132213A
JP2007314989A
JP2011512650A
JP2007067131A
JP2002538271A
JP62032144A
Foreign References:
WO2011158777A1
US20050133082
Attorney, Agent or Firm:
Tatsuya Masuda
Kazuo Asahi



 
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