Thermographic recording material with improved image tone
AssigneeAgfa-Gevaert
InventorsCarlo Uyttendaele, Rene De Keyzer, Johan Loccufier, Ivan Hoogmartens
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AssigneeAgfa-Gevaert
InventorsCarlo Uyttendaele, Rene De Keyzer, Johan Loccufier, Ivan Hoogmartens
Estimating the term…
A monosheet black and white substantially light-insensitive thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing a substantially light-insensitive organic silver salt and an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermographic recording material comprises a reaction product of an amino-group containing polymer and a compound according to formula (I): wherein each of R1, R2, R3 and R4 is independently hydrogen or an optionally substituted alkyl, aryl, heteroaryl, alkoxy or aryloxy group; L is a divalent linking group selected from the group consisting of oxygen and optionally substituted alkyl, aryl, heteroaryl, alkenyl and alkynyl groups; and m is either 0 or 1; and n is either 0 or 1; and a preparation process therefor.
A monosheet black and white substantially light-insensitive thermographic recording material comprising a thermosensitive element and a support, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefore in thermal working relationship therewith and a binder, wherein said thermographic recording material comprises a reaction product of an amino-group-containing polymer and a compound according to formula (I):
A process for the use of a compound according to formula (I):
Dependencies are inferred from the claim text.