RETARDATION-INCREASING AGENT, CELLULOSE-BASED RESIN COMPOSITION USING SAME, AND FILM
申请人:ADEKA CORPORATION
公开号:US20160274273A1
公开(公告)日:2016-09-22
Provided are: a retardation-increasing agent that has excellent compatibility and, when incorporated into a resin film, is capable of not only adjusting the thickness-direction phase difference toward a positive direction but also imparting the film with high retardation; a cellulose-based resin composition comprising the retardation-increasing agent; and a film that is obtained from the cellulose-based resin composition and has excellent optical properties. The retardation-increasing agent comprises a compound represented by the following Formula (1) or (2):
(wherein, R
1
to R
10
each independently represent a hydrogen atom or the like); or
(wherein, R
21
to R
28
each independently represent a hydrogen atom or the like).