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Patent Searching and Data


Title:
OPTICAL FILM, PRODUCTION METHOD AND MULTILAYER FILM
Document Type and Number:
WIPO Patent Application WO/2018/079627
Kind Code:
A1
Abstract:
An optical film which comprises a first layer and a highly adhesive layer that is provided on at least one surface of the first layer, and wherein: the first layer is a layer of a crystallized resin that contains an alicyclic structure-containing polymer; and the highly adhesive layer is a layer of a urethane resin. A method for producing an optical film, which comprises: a step (1) wherein a crystalline resin film having a crystallinity of less than 3% is obtained by molding a crystalline resin that contains an alicyclic structure-containing polymer; a step (2) wherein a highly adhesive layer is formed on the surface of the crystalline resin film, thereby obtaining a multilayer product that comprises the crystalline resin film and the highly adhesive layer; and a step (4) wherein the crystalline resin film in the multilayer product is crystallized.

Inventors:
KOMOTO SOGO (JP)
Application Number:
PCT/JP2017/038580
Publication Date:
May 03, 2018
Filing Date:
October 25, 2017
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
B32B27/00; B32B27/40; C09D5/00; C09D175/04; C09J7/20; C09J175/04; B05D7/04; B05D7/24; C08G61/08
Domestic Patent References:
WO2016140077A12016-09-09
WO2015098750A12015-07-02
WO2016047359A12016-03-31
WO2017170175A12017-10-05
Foreign References:
JP2002194067A2002-07-10
JP2011077250A2011-04-14
JP2016008283A2016-01-18
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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