Silver halide photographic element containing antistatic hydroph

Details Silver halide photographic element containing antistatic hydroph Silver halide photographic element containing antistatic hydroph

1993-06-01

1995-12-05

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430527, 430529, G03C 185

Patent

active

054728320

ABSTRACT:
A recording material comprising a sheet, ribbon or web support and a hydrophilic colloid binder layer incorporating an ionic polymer in the form of dispersed particulate material providing to said material an antistatic character, characterized in that (i) said ionic polymer is a cross-linked copolymer of an acrylic and/or methacrylic acid ester including 90-99 mole % of acrylate and/or methacrylate and 1 to 10 mole % of tetraallyloxyethane as polyfunctional crosslinking monomer, wherein in said copolymer at least 75% of the ester groups have been transformed into alkali metal carboxylate groups (ii) said ionic polymer is coated at a coverage of at least 14 g/m.sup.2, and (iii) said ionic polymer is present in admixture with said hydrophilic colloid binder in a weight ratio of at least 10/90.

REFERENCES:
patent: 4287298 (1981-09-01), Dodwell
patent: 4301240 (1981-11-01), Bruck et al.
patent: 4940655 (1990-07-01), Gundlach
patent: 5268253 (1993-12-01), Van Rompuy

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