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Patent Searching and Data


Title:
RESIN COMPOSITION, TWO-PACK TYPE ADHESIVE FOR LAMINATES, MULTILAYER FILM, AND BACK SHEET FOR SOLAR CELLS
Document Type and Number:
WIPO Patent Application WO/2012/144329
Kind Code:
A1
Abstract:
Provided are: a resin composition which has excellent adhesion to bases under wet heat conditions; a two-pack type adhesive for laminates, which contains the resin composition; a multilayer film which has a layer that is composed of the adhesive; and a back sheet for solar cells. The resin composition contains, as essential components, (A) a polyester polyurethane polyol which has a branched structure in each molecule, while having a weight average molecular weight (Mw) within the range from 25,000 to 200,000 and a molecular weight distribution (Mw/Mn) within the range from 2.5 to 25, (B) a hydroxyl group-containing epoxy resin which has a number average molecular weight (Mn) within the range from 300 to 5,000, (C) a hydroxyl group-containing polycarbonate resin which has a number average molecular weight (Mn) within the range from 300 to 3,000, and (D) a polyisocyanate.

Inventors:
UMINO AKIO (JP)
UNO SEIICHI (JP)
ICHINOSE NORIYUKI (JP)
AKITA KOUJI (JP)
HOZUMI MASAMI (JP)
Application Number:
PCT/JP2012/059338
Publication Date:
October 26, 2012
Filing Date:
April 05, 2012
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
UMINO AKIO (JP)
UNO SEIICHI (JP)
ICHINOSE NORIYUKI (JP)
AKITA KOUJI (JP)
HOZUMI MASAMI (JP)
International Classes:
B32B27/00; C08G18/40; B32B27/40; C08G18/10; C09J163/00; C09J169/00; C09J175/06
Domestic Patent References:
WO2009072431A12009-06-11
Foreign References:
JP2010043238A2010-02-25
JPH08120250A1996-05-14
Attorney, Agent or Firm:
KONO MICHIHIRO (JP)
Michihiro Kono (JP)
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Claims: