摘要 |
A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of said support a thermosensitive element, wherein said thermographic recording material contains at least one compound represented by formula (I): wherein M is hydrogen, an alkali atom or an ammonium group; R<SUP>1 </SUP>is an alkyl, alkenyl-, alkynyl-, thioalkyl-, thioalkenyl- or thioalkynyl-group in which the alkyl-, alkenyl- or alkynyl-group has 6 to 25 carbon atoms; X is -O-, -S- or -N(R<SUP>2</SUP>)-; and R<SUP>2 </SUP>is hydrogen, a -(CH<SUB>2</SUB>)<SUB>m</SUB>SO<SUB>3</SUB>M group or a group; and m is an integer between 1 and 5.
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