Title:
光学フィルム、製造方法、及び多層フィルム
Document Type and Number:
Japanese Patent JP6922933
Kind Code:
B2
Abstract:
An optical film including, as a main component, a crystallized resin containing an alicyclic structure-containing polymer, wherein a crystallization degree of the crystallized resin is 30% or more, and an arithmetic average roughness of at least one face thereof is 2.5 nm or less. Preferably, in a surface layer on the side of at least one face, a composition ratio of an oxygen element relative to a carbon element is 1/10 or more, and a composition ratio of a nitrogen element relative to a carbon element is 1/20 or less. Also provided is a multilayer film including: the optical film; an adherend layer; and an adhesive layer provided between the optical film and the adherend layer.
Inventors:
Soumoto Sougo
Application Number:
JP2018566050A
Publication Date:
August 18, 2021
Filing Date:
January 18, 2018
Export Citation:
Assignee:
Zeon Corporation
International Classes:
C08J5/18; B32B7/12; C08J7/00; G02B1/04
Domestic Patent References:
| JP2012198529A |
Foreign References:
| WO2017002868A1 | ||||
| WO2011118661A1 |
Attorney, Agent or Firm:
Sakai International Patent Office