公开(公告)号：US10338290B2

公开(公告)日：2019-07-02

申请号：US15253179

申请日：2016-08-31

Applicant: FUJIFILM Corporation

Inventor： Yasukazu Kuwayama ,  Hiroshi Inada ,  Aiko Yoshida ,  Yoshitaka Maeda ,  Yusuke Ino ,  Shuuji Kanayama ,  Nobutaka Fukagawa

IPC: G02B5/30 ,  C09D7/63 ,  G02B1/14 ,  G02F1/1335 ,  C08K5/12 ,  C08K5/20 ,  C08K5/205 ,  C08K5/315 ,  C08K5/3417 ,  C08K5/3462 ,  C09D101/10 ,  C09D5/00 ,  C08L1/10 ,  C08L1/12

Abstract: A cellulose ester film contains a compound having a structural unit denoted by —NR—(C═O)— in which R represents a hydrogen atom or a substituent, a surface having knoop hardness of greater than or equal to 210 N/mm2 is provided, and loss tangent tan δ at 25° C. is greater than or equal to 0.03.