Use of anthraquinone dyestuffs for thermal transfer printing.

摘要

Use of anthraquinone dyestuffs I

for thermal transfer printing, having the following meaning of the radical R:
alkyl, alkoxyalkyl, aryloxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl or alkoxycarbonylalkyl groups, each of which can contain up to 20 C atoms and whose C chain can be interrupted by one to four oxygen atoms in an ether function; C5-C8-cycloalkyl groups or a phenyl group, each of which can carry C1-C4-alkyl or C1-C4-alkoxy as a substituent.