| abstract |
This polarizing film contains an acetal-modified polyvinyl alcohol containing an acetal structure represented by formula (1) and having an acetalization degree of 1-6 mol%. Such a polarizing film has high polarization performance. Therefore, an LCD panel having excellent image quality can be obtained by using said polarizing film. [In formula (1), R is a hydrogen atom, or a monovalent aliphatic group having 1-6 carbon atoms.] |