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.
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Inventors:
UMINO AKIO (JP)
UNO SEIICHI (JP)
ICHINOSE NORIYUKI (JP)
AKITA KOUJI (JP)
HOZUMI MASAMI (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:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
UMINO AKIO (JP)
UNO SEIICHI (JP)
ICHINOSE NORIYUKI (JP)
AKITA KOUJI (JP)
HOZUMI MASAMI (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:
WO2009072431A1 | 2009-06-11 |
Foreign References:
JP2010043238A | 2010-02-25 | |||
JPH08120250A | 1996-05-14 |
Attorney, Agent or Firm:
KONO MICHIHIRO (JP)
Michihiro Kono (JP)
Michihiro Kono (JP)
Download PDF:
Claims:
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