Title:
OPTICAL FILM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2018/159295
Kind Code:
A1
Abstract:
An optical film which comprises a core layer, a first skin layer that is provided on one surface of the core layer, and a second skin layer that is provided on the other surface of the core layer, and wherein: the core layer is formed from a resin composition (A); the first skin layer and the second skin layer are formed from a resin composition (B) that is different from the resin composition (A); the resin composition (A) contains from 80% by weight to 100% by weight (inclusive) of an alicyclic structure-containing polymer in the total weight of the resin composition (A); the resin composition (B) contains from 95% by weight to 100% by weight (inclusive) of an alicyclic structure-containing polymer in the total weight of the resin composition (B); and the viscosity ratio ηB(ave)/ηA(ave) is from 0.3 to 3.0 (inclusive).
Inventors:
MIURA TAKUYA (JP)
Application Number:
PCT/JP2018/005109
Publication Date:
September 07, 2018
Filing Date:
February 14, 2018
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B29C48/18; B32B27/06; G02B5/30; B29L7/00; B29L9/00; B29L11/00
Foreign References:
| JP2007245551A | 2007-09-27 | |||
| JP2011048162A | 2011-03-10 | |||
| JP2006348115A | 2006-12-28 | |||
| JP2004163684A | 2004-06-10 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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