| 摘要 |
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, characterized in that the thermographic recording material comprises a reaction product of an amino-group containing polymer and a compound according to formula (I): <CHEM> wherein each of R<1>, R<2>, R<3> and R<4> 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.
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