CPC G03C 1/853 (2013.01) [D21H 19/40 (2013.01); D21H 19/72 (2013.01); G03C 1/79 (2013.01)] | 16 Claims |
1. A photographic paper comprising a base layer having an average surface roughness (Sa) of at least 0.7 μm and an outer-most layer comprising a hydrophilic colloid binder and colloidal silica and one or more light sensitive emulsion layers between the outer-most layer and the base layer, wherein:
(i) the weight ratio of colloidal silica to hydrophilic colloid binder in the outer-most layer is 0.05:1 to 0.28:1;
(ii) the amount of colloidal silica present in the outer-most layer is in the range of 8 mg/m2 to 225 mg/m2; and
(iii) the colloidal silica has a mean particle size of 3 to 70 nm.
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