Photographic material containing a scavenger-modified polymer

Photographic material according to any of the preceding claims, wherein the concentration of scavenger moieties in the scavenger modified polymer is lower than 0.5 mmol/g total polymer in the interlayer, preferably lower than 0.3 mmol/g total polymer, most preferably lower than 0.15 mmol/g total polymer.

Photographic material according to any of the preceding claims, wherein

• {[scavenger moiety].d2}<700*10−15 mmol m2/g

Photographic material according to any of the preceding claims, wherein

• 40*10−15 mmol m2/g<{[scavenger moiety].d2}<250*10−15 mmol m2/g

Photographic material according to any of the previous claims, wherein the dry thickness d of the interlayer is less than 1.5 μm.

Photographic material according to any of the preceding claims, wherein the scavenger modified polymer is used in any combination with conventional scavenger molecules in oil-water emulsion.

Photographic material according to any of the preceding claims, wherein said interlays comprise a mixture of scavenger modified polymers, each of which polymers having a different scavenger load.

Photographic material according to any of the preceding claims wherein said interlays comprise a mixture of scavenger modified polymer and one or more non-modified polymers.

Photographic material according to any of the preceding claims, wherein said polymer is selected from the group consisting of casein, sericin, soluble collagen, gelatine, polyvinyl alcohol, polyvinyl glycol, polyvinyl pyrrolidone, lopyacrylamide, polyvinylimidazole, polyvinylpyrazole, cellulose derivatives and saccharide derivatives.

Photographic material according to any of the preceding claims, wherein said scavenger molecule is a cresol type molecule, a pyrogallol type, a cathechol type, a hydrochinon type or a 2,4-disulphonamidophenol type.

Photographic material according to any one of the preceding claims, wherein an amine or an activated carboxylic group of the said scavenger moiety is linked with a carboxylic or an amine group of an amino acid moiety in the polymer, said linking being either direct or via a spacer moiety.

Photographic material according to any one of the preceding claims, wherein the activation of the carboxylic acid groups of the scavenging moiety is carried out in an organic solvent.

Photographic material according to any of the preceding claims, wherein said photographic support comprises a photographic base paper or a photographic polymer film.

Photographic material according to any of the preceding claims, wherein said photographic base paper is provided on at least one surface thereof with a polymeric coating which is optionally coated with a thin gelatine sub-layer.

Photographic material according to any of the preceding claims, wherein said photographic polymer film comprises polyethylene terephthalate or polyethylene naphthalate or triacetylcellulose.

Photographic material according to any one of the preceding claims, wherein at least one of said interlayers consists of one homogeneous layer containing the said scavenger modified polymer or of a core layer with shield layers on both sides of the said core layer, in which each of the said shield layers contain a different concentration of the said scavenger modified polymer, or of a core layer containing the said scavenger modified polymer with shield layers on both sides of the said core layer, in which said shield layers do not contain a scavenger modified polymer.

Photographic material according to any of the preceding claims, wherein said interlayer further comprising additives for use in layered photographic structure said additive being selected from the group consisting of surface active agent, stabiliser, pH controlling agent and high boiling organic solvent.

Use of a scavenger modified polymer comprising scavenger moieties linked to a polymer in interlayers containing an effective amount of said scavenger modified polymer, the amount of scavenger moieties not exceeding 0.5 mmol/g of polymer, for reducing the maximum density Dmax, as defined herein.

Use of a scavenger modified polymer comprising scavenger moieties linked to a polymer in interlayers, wherein the value of {[scavenger moiety].d2} exceeds 2*10−15 mmol m2/g for reducing or preventing color contamination, as defined herein.