The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2016
Filed:
Jul. 04, 2011
Hiroshi Yamaguchi, Tokyo, JP;
Mitsuo Umezawa, Tokyo, JP;
Makoto Yanagisawa, Tokyo, JP;
Masaki Yaginuma, Tokyo, JP;
Satoshi Maeda, Tokyo, JP;
Hiroshi Yamaguchi, Tokyo, JP;
Mitsuo Umezawa, Tokyo, JP;
Makoto Yanagisawa, Tokyo, JP;
Masaki Yaginuma, Tokyo, JP;
Satoshi Maeda, Tokyo, JP;
Toyo Ink SC Holdings Co., Ltd., Tokyo, JP;
Abstract
To overcome a problem in related art and to provide an easy-adhesive having an excellent adhesive property and an excellent adhesive durability for a solar cell rear surface protection sheet, a solar cell rear surface protection sheet, and a solar cell module formed by using the solar cell rear surface protection sheet. An easy-adhesive for a solar cell rear surface protection sheet according to the present invention exhibits a specific glass transition temperature, a specific number average molecular weight, and a specific hydroxyl value. Further, the easy-adhesive for a solar cell rear surface protection sheet contains a (meth)acrylic-based copolymer (A) that contains a carbon-carbon double bond in a side chain at a specific rate, and a polyisocyanate compound (B) at a specific rate.