Title:
CELLULOSE-BASED RESIN COMPOSITION AND OPTICAL FILM USING THE SAME
Document Type and Number:
Japanese Patent JP2019172868
Kind Code:
A
Abstract:
To provide an optical film having high stability under high temperature and high humidity conditions, which is a film using a resin composition excellent in retardation characteristics and wavelength dispersion characteristics.SOLUTION: A resin composition is provided, comprising a cellulose-based resin represented by general formula (1) below and having a substitution degree of 1.5 to 2.95 by 50 to 98.99 wt.%, an ester-based resin showing negative birefringence by 1 to 49.99 wt.%, and a hydroxy group-reactive crosslinking agent by 0.01 to 5 wt.%. In formula(1), R, Rand Reach independently represent hydrogen or a substituent having 1 to 12 carbon atoms.SELECTED DRAWING: None
Inventors:
ITO MASAYASU
SAKASHITA RYUICHI
SAKASHITA RYUICHI
Application Number:
JP2018064045A
Publication Date:
October 10, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
TOSOH CORP
International Classes:
C08L1/26; C08J5/18; C08K5/04; C08L67/00; G02B5/30
Domestic Patent References:
| JP2014125609A | 2014-07-07 | |||
| JP2014125610A | 2014-07-07 | |||
| JP2016079377A | 2016-05-16 | |||
| JP2008546011A | 2008-12-18 | |||
| JP2008007780A | 2008-01-17 |