| 摘要 |
A polarizing film which comprises a film base having thereon an anthraquinone dye of general formula (I): <IMAGE> (I) wherein R1 and R2 each represents a hydrogen atom, an alkyl group, an alkoxy group, an aralkyloxy group, an aryl group, a cyclohexyl group, a 4-alkylcyclohexyl group, a carboxylic acid ester group, a carboxylic acid amide group, a halogen atom, <IMAGE> X represents an oxygen atom, a sulfur atom or an amino group.
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