A cellulose acylate film, which includes a compound denoted by general formula (I) below, the equivalent U of which, calculated as a value obtained by dividing the molecular weight of the compound by the number of divalent linking groups denoted by —O—C(═O)—NH— contained per molecule, is less than or equal to 515, wherein, in general formula (I), each of L11 and L21 independently denotes an optionally substituted alkylene group; each of L12 and L22 independently denotes a single bond, any one of or any combination of —O—, —NR1—, —S— and —C(═O)—; R1 denotes a hydrogen atom or a substituent; each of n1 and n2 independently denotes an integer of 0 to 20, with at least either n1 or n2 being an integer of greater than or equal to 1.
Q1-(L12-L11)n1-O—C(═O)—NH-(L21-L22)n2-Q2 General formula (I)
一种
纤维素酰基化合物薄膜,它包括以下通式(I)表示的化合物,其当量U(通过将化合物的分子量除以每个分子所含的由-O-C(═O)-NH-表示的二价连接基团的数目而得到的值)小于或等于515,其中,在通式(I)中,L11和
L21各自独立地表示任选取代的亚烷基;L12和
L22各自独立地表示单键、-O-、-NR1-、-S-和-C(═O)-中的任意一个或任意组合; R1表示氢原子或取代基; n1和n2各自独立地表示0至20的整数,其中至少n1或n2之一是大于或等于1的整数。
Q1-(L12-L11)n1-O-C(═O)-NH-(
L21-
L22)n2-Q2 通式 (I)