| 摘要 |
<p>A magenta dye-donor element for thermal dye transfer comprises a support having thereon a magenta dye dispersed in a polymeric binder, the magenta dye comprising a substituted 5-arylazoisothiazole.</p><p>In a preferred embodiment, the magenta dye has the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="34" wi="85" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" /></Chemistry> wherein R¹ and R² may each independently be hydrogen, alkyl, allyl, cycloalkyl or aryl; or R¹ and R² may be taken together to form a ring; or R¹ or R² may be part of a 5- or 6-membered heterocyclic ring;
R³ may be hydrogen, alkyl, aryl, alkylthio or halogen;
J may be alkyl, aryl or NHA, where A is an acyl or sulfonyl radical; and
Q may be cyano, thiocyanato, alkylthio or alkoxycarbonyl. </p> |
