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Title:
ACRYLIC RESIN FILM, LAMINATED FILM, PRODUCTION METHOD FOR LAMINATED FILM, AND MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/181752
Kind Code:
A1
Abstract:
Provided are: an acrylic resin film having excellent hardness and in which, even after a step for bringing the acrylic resin film into contact with a coating liquid containing an organic solvent, cracking at a crease when a laminated film is folded in which a functional layer such as a hard coat layer is formed, and cracking in the vicinity of a cut portion when the film is cut using a cutting tool, are inhibited, whitening caused by concentration of stress is less likely to occur; a laminated film comprising the acrylic resin film; and a molded article comprising the acrylic resin film and/or the laminated film. The acrylic resin film contains graft copolymer particles (A) having a small average particle size and having a multilayer structure, and graft copolymer particles (B) having a large average particle size and having a multilayer structure. The constituent unit ratio of a graft polymer layer (A2) included in the graft copolymer particle (A), and the contained amount of a cross-linked elastomer derived from the graft copolymer particle (A) and the graft copolymer particle (B), are optimized.

Inventors:
KOYAMA HARUKI (JP)
HASEBE HANAKO (JP)
YAMAGUCHI KATSUMI (JP)
SHIMAMOTO YUKIHIRO (JP)
Application Number:
PCT/JP2019/010687
Publication Date:
September 26, 2019
Filing Date:
March 14, 2019
Export Citation:
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Assignee:
KANEKA CORP (JP)
International Classes:
C08L33/10; B32B27/30; C08F265/04; C08J5/18; C08J7/043; C08J7/044; C08J7/046; C08J7/048; C08L51/00
Domestic Patent References:
WO2014041803A12014-03-20
WO2005054311A12005-06-16
WO2009084541A12009-07-09
WO2014041803A12014-03-20
Foreign References:
JP2015096575A2015-05-21
JP2002309059A2002-10-23
JP2005200502A2005-07-28
JP3835275B22006-10-18
JP4291994B22009-07-08
JP5782521B22015-09-24
JPH08323934A1996-12-10
JPH10279766A1998-10-20
JPH10306192A1998-11-17
JP3835275B22006-10-18
JP5782521B22015-09-24
JPS6289705A1987-04-24
JPH02178310A1990-07-11
JP2004168882A2004-06-17
JP2006171464A2006-06-29
JP2004307834A2004-11-04
JPH05119217A1993-05-18
JPS5527576B21980-07-22
JPH04270751A1992-09-28
JP2014060364W2014-04-10
JP2017086959A2017-05-25
JP2000153547A2000-06-06
JPH11235747A1999-08-31
JPS636339B21988-02-09
JPH049647B21992-02-20
JPH079480A1995-01-13
JP3733564B22006-01-11
JP3924760B22007-06-06
Other References:
See also references of EP 3770216A4
Attorney, Agent or Firm:
NIIYAMA Yuichi et al. (JP)
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