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:
May. 27, 2014
Filed:
Apr. 05, 2012
Akio Umino, Ichihara, JP;
Seiichi Uno, Ichihara, JP;
Noriyuki Ichinose, Takaishi, JP;
Kouji Akita, Tokyo, JP;
Masami Hozumi, Tokyo, JP;
Akio Umino, Ichihara, JP;
Seiichi Uno, Ichihara, JP;
Noriyuki Ichinose, Takaishi, JP;
Kouji Akita, Tokyo, JP;
Masami Hozumi, Tokyo, JP;
DIC Corporation, Tokyo, JP;
Abstract
Provided are a resin composition with high adhesion to substrates under hot and humid conditions, a two-part laminate adhesive containing the resin composition, and a laminated film and backsheet for solar cells including a layer of the adhesive. The resin composition contains, as essential components, a polyester polyurethane polyol (A) having a branched structure in a molecule thereof and having a weight average molecular weight (Mw) of 25,000 to 200,000 and a molecular weight distribution (Mw/Mn) of 2.5 to 25; a hydroxyl-containing epoxy resin (B) having a number average molecular weight (Mn) of 300 to 5,000; a hydroxyl-containing polycarbonate resin (C) having a number average molecular weight (Mn) of 300 to 3,000; and a polyisocyanate (D).