| 摘要 |
Preparation of antihalation layers by applying a gelatin coating containing a small amount of a manganous salt to a film base, and applying thereto an aqueous permanganate rinse containing an anionic surfactant which is nonreactive with the permanganate and is selected from the group consisting of the alkali metal salts of alkyl benzene sulfonic acids, and the alkali metal salts of polyfluoro- and perfluoro-aliphatic surfactants, having a sulfonic or carboxylic acid group.
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