| 摘要 |
<p>A thermal transfer printing sheet comprising a substrate having a coating comprising an anthraquinone dye of the formula: <IMAGE> wherein R is C1-6-alkyl, C4-8 -cycloalkyl or C2-6-alkenyl; R1 is C1-6-alkyl or C2-6-alkenyl; and R2 is H or C1-6-alkyl or C2-6-alkenyl, and its use in the preparation of a printed image on a receiver sheet by selective heating of the transfer sheet, in accordance with a pattern information signal, while in contact with the receiver sheet.</p> |
