G - Physics – 03 – G
Patent
G - Physics
03
G
96/187, 96/220
G03G 5/026 (2006.01) G03C 1/498 (2006.01) G03G 5/153 (2006.01)
Patent
CA 1174100
- 0 - POLYESTER INTERLAYERS FOR ELECTRICALLY ACTIVATABLE RECORDING (EAR) ELEMENTS ABSTRACT OF THE DISCLOSURE In an electrically activatable recording element, such as one comprising an electrically conductive support having thereon, in sequence: (a) a polymeric electrically active conductive (EAC) layer, (b) an electrically acti- vatable recording layer comprising (A) a dye-forming coup- ler, and (B) an oxidation-reduction combination comprising (i) an organic silver salt oxidizing agent, such as a silver salt of a 1,2,4-mercaptotriazole derivative, with (ii) a reducing agent which, in its oxidized form, forms a dye with the dye-forming coupler, (c) a photoconductive layer separated from (b) by an air gap of up to 20 microns, and (d) an electrically conductive layer; improvements are provided by means of a polymeric EAC layer (a) comprising a halogen containing polyester, such as poly(2,2'-oxydiethylene:2,2'-dimethyl 1,3-propylene 50:50-2,5-dibromoterephthalate) and poly(ethylene:2,2-di- methyl-1,3-propylene 50:50-2,5-dibromoterephthalate). The recording element is room light handleable and provides a dye image and silver image by dry development processing.
378469
Lelental Mark
Sandhu Mohammad A.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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