PHOTOGRAPHIC ELEMENT HAVING WATERPROOF PROTECTIVE OVERCOAT

Title:

PHOTOGRAPHIC ELEMENT HAVING WATERPROOF PROTECTIVE OVERCOAT

Document Type and Number:

Japanese Patent JP2002182336

Kind Code:

A

Abstract:

To dispose a waterproof protective overcoat on an image formed element.

The photographic element has a base, at least one silver halide emulsion layer lapped on one face of the base and a waterproof protective overcoat including a processing solution permeable overcoat with at least 0.54 g/m2 coating weight of a coating composition on the silver halide emulsion layer. The coating composition contains (i) water-dispersible latex particles containing an epoxy material having at least 1.5 epoxy group per one molecule on average and a polymer having an acid value of 30-250 and carrying acid groups neutralized with a base to 50-95% neutralization degree and having 0.01-0.5 μm average particle diameter and >20°C Tg (glass transition temperature), (ii) a water-soluble hydrophilic polymer and (iii) an associated thickener modified to hydrophobic property.

Inventors:

WANG YONGCAI
O'CONNOR KEVIN M
KESTNER MELVIN MICHAEL
BELLO JAMES L

Application Number:

JP2001332865A

Publication Date:

June 26, 2002

Filing Date:

October 30, 2001

Export Citation:

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Assignee:

EASTMAN KODAK CO

International Classes:

G03C7/407; G03C1/76; G03C11/16; (IPC1-7): G03C1/76; G03C7/407; G03C11/16

Attorney, Agent or Firm:

Takashi Ishida (5 others)

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