1,3,3-Trimethyl-2-methyleneindoline and 4-(Diethylamino)benzaldehyde?condensation.
Properties and Applications
bright blue purple. Dark red powder. With fluorescent dye acrylic blue light red, in under a yellow of tungsten. In 120 ℃ high temperature dyeing, color is yellow. Compatibility value is 1.5, the f value is 0.5. Mainly used for dyeing acrylic fiber, fiber scattered and article wool terylen, in acetic acid and sodium acetate bath dyeing. Also applied to the vinegar and polyamide fiber, but the sun fastness is poor. But to acrylic, two vinegar and modification polyester fiber direct printing.
