Search International and National Patent Collections

1. (WO2018142959) OPTICAL FILM, PRODUCTION METHOD, AND MULTILAYER FILM

Pub. No.:    WO/2018/142959    International Application No.:    PCT/JP2018/001453
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Fri Jan 19 00:59:59 CET 2018
IPC: C08J 5/18
C08J 7/00
G02B 5/00
G06F 3/041
B32B 27/00
C08G 61/08
Applicants: ZEON CORPORATION
日本ゼオン株式会社
Inventors: KOMOTO, Sogo
幸本 壮悟
Title: OPTICAL FILM, PRODUCTION METHOD, AND MULTILAYER FILM
Abstract:
This optical film comprises, as a main component, a crystallized resin containing an alicyclic structure-containing polymer, wherein the crystallized resin has a degree of crystallinity of 30% or more, and at least one surface thereof has an arithmetic mean roughness of 2.5 nm or less. Preferably, in an outermost portion of the at least one surface of the film, the composition ratio of elemental oxygen to elemental carbon is 1/10 or more, and the composition ratio of elemental nitrogen to the elemental carbon is 1/20 or less. A multilayer film including the optical film, an adhered layer, and an adhesive layer provided between the optical film and the adhered layer, are also provided.