Title:
太陽電池バックシート用接着剤
Document Type and Number:
Japanese Patent JP5546706
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide an adhesive for solar cell back sheet exhibiting excellent initial adhesion to a film during manufacture of a solar cell back sheet and excellent bond strength after curing, and further exhibiting excellent long term weatherability and hydrolysis resistance, and to provide a solar cell back sheet obtained by using the adhesive, and a solar cell module obtained by using the solar cell back sheet.SOLUTION: The adhesive for a solar cell back sheet obtained by reaction of acrylic polyol (a1) and an isocyanate compound (a2) where the glass-transition temperature of the acrylic polyol (a1) is 20°C or lower exhibits excellent initial adhesion to a film during manufacture of a solar cell back sheet, and excellent bond strength to a film after curing. Furthermore, the adhesive for a solar cell back sheet exhibits excellent long term weatherability and hydrolysis resistance. More preferable is an adhesive for a solar cell back sheet in which the hydroxyl value of the acrylic polyol (a1) is 0.5-40 mgKOH/g.
Inventors:
Shoko Ito
Yoshida Yoshio
Yuichi Matsuki
Yoshida Yoshio
Yuichi Matsuki
Application Number:
JP2014083359A
Publication Date:
July 09, 2014
Filing Date:
April 15, 2014
Export Citation:
Assignee:
Henkel KGaA Japan, Inc.
International Classes:
H01L31/049; C09J11/06; C09J133/06; C09J133/14; C09J175/04
Domestic Patent References:
| JP2010238815A | 2010-10-21 | |||
| JP2011105819A | 2011-06-02 | |||
| JPH04292674A | 1992-10-16 | |||
| JP2002235035A | 2002-08-23 | |||
| JP2000119362A | 2000-04-25 |
Attorney, Agent or Firm:
Mutsumi Sameshima
Yasuo Tamura
On a word Keiichi
Yoshida Ring
Fukumasa 充睦
Yasuo Tamura
On a word Keiichi
Yoshida Ring
Fukumasa 充睦