| 摘要 |
The compound (I, R = H, C1-4 straight or branch alkyl; M = H, methyl, ethyl, cyano; D = one of formular II, where R1,R2 = H, C1-6 straight or branch alkyl, hydroxyalkyl, haloalkyl, alkoxyalkyl; R3 = H, C1-6 straight or branch alkyl, alkoxy, halogen; R4, R5 = H, methyl, ethyl; R6, R7 = H, C1-3 alkyl, alkoxy; Y = O, dicyanomethylene) 2-10 wt.%, binder 2-10 wt.% and organic solvent 80-96 wt.% are used as the sublimation type coloring matter for heat transcrioption recording. The compound I improves the durability and the color forming sensitivity of transcription coloring matter.
|
