Title:
RESIN COMPOSITION AND OPTICAL FILM USING THE SAME
Document Type and Number:
Japanese Patent JP2023152307
Kind Code:
A
Abstract:
To provide: a resin composition suitable for optical films; an optical film having excellent phase difference characteristics using the same; and a method for producing the optical film.SOLUTION: This invention relates to: a resin composition comprising, as a resin component, 70 to 97 wt.% of a cellulose ester resin represented by the general formula (1), and 3 to 30 wt.% of a fumarate-based polymer containing 80 to 95 mol% of a specific fumarate residue unit and 2 to 20% mol% of a specific cinnamate residue unit; an optical film using the resin composition; and a method for producing the optical film. (In the formula, R1, R2, and R3 each independently represent hydrogen or a C2-4 acyl group).SELECTED DRAWING: None
Inventors:
FUJII YASUYOSHI
KOMINE TAKUYA
KOMINE TAKUYA
Application Number:
JP2022062210A
Publication Date:
October 17, 2023
Filing Date:
April 04, 2022
Export Citation:
Assignee:
TOSOH CORP
International Classes:
C08L1/10; B29C41/12; B29C41/36; B29C55/04; B29C55/12; C08F218/14; C08J5/18; C08L35/02; G02B5/30