| 摘要 |
<p>Acid-modified fibre materials may be dyed in brilliant color shades in accordance with the transfer printing principle if dyestuffs of the formula <IMAGE> are used in which A is a residue of the formula <IMAGE> +TR <IMAGE> wherein R1, R3, R4, R6-R9 are H or lower alkyl, R and R2 are lower alkyl and R5 is phenyl. The resulting transfer prints are distinguished by good fastness to light, wet processing and rubbing.</p> |
