申请人:FUJIFILM Corporation
公开号:US10338290B2
公开(公告)日:2019-07-02
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.
一种纤维素酯薄膜含有一种化合物,其结构单元用-NR-(C═O)-表示,其中R代表氢原子或取代基,表面硬度大于或等于210牛顿/平方毫米,25°C时的损耗正切tanδ大于或等于0.03。