Abstract
The color reversal process described in Chapter 8 (Fig. 8.6) consists of exposure, first development (B&W development), color development after exposure (or reversal action with a foggant), and bleach & fixation. Because the color development uses all the silver halide remained after the first B&W development, such DIR couplers as described in the preceding chapter cannot be employed to improve sharpness, granularity, and color reproduction. In other words, interlayer effects (for improved color reproduction) and intralayer effects (for improved granularity and sharpness) should take place during the first B&W development of color reversal films. DIR hydroquinones, which were proposed for instant color films (e.g., [1]) and for color negative films (e.g., [2]), have been employed to bring about the inter- and intralayer effects in the color reversal process [3,4].1
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Fujita, S. (2004). DIR Hydroquinones and Related Compounds. In: Organic Chemistry of Photography. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-09130-2_14
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DOI: https://doi.org/10.1007/978-3-662-09130-2_14
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