| 摘要 |
The mixture consisted of at least one sensitizing dye (I; Z1 = benzothiazol etc. forming group, Z2=benzoselenazol forming group, A=H, or alkyl, R1, R2 = alkyl or substituted with hydroxyalkyl or carboxyl, X1 = acid anion m = 1,2) and one of formula (II; Z3, Z4 = Halogen substituted Benzoimidazol forming group, R3 R4=alkyl or substituted alkyl: one of which was hydroxyalkyl, carboxy or sulpho substituted alkyl, X2 = acid anion, n=1,2) materials acting as supersensitizing photog. silver halide emulsions.
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