A polarizer protective film comprising: a cellulose ester; a saccharide ester having an ester of compound (A), the compound (A) having one furanose structure or one pyranose structure in the molecule, wherein all or a part of OH groups in the compound (A) are esterified, or an ester of compound (B), the compound (B) having two to twelve of at least one of a furanose structure and a pyranose structure bonded in the molecule, wherein all or a part of OH groups in the compound (B) are esterified; and a compound represented by Formula (R) or (Ra):
一种偏光保护膜,包括:
纤维素酯;一种
糖酯,其具有化合物(A)的酯,化合物(A)在分子中具有一个
呋喃糖结构或一个
吡喃糖结构,其中化合物(A)中的所有或部分OH基团被酯化,或化合物(B)的酯,化合物(B)在分子中具有两个至十二个
呋喃糖结构和/或
吡喃糖结构之一,其中化合物(B)中的所有或部分OH基团被酯化;以及由公式(R)或(Ra)表示的化合物: