to rotate in the glycerin-bath, the temperature of which was
raised to 80 C (for cotton fiber) at the rate of 2 C/min. The
dyeing was continued for 1 h under pressure. After cooling
for 1 h, the beaker was removed from the bath and washed
with water. The pattern was thoroughly washed with hot water
at 50 C, and then with cold water, and finally dried at room
temperature.
3. Results and discussion
3.1. Synthesis
The synthesis of bisazomonochlorotriazine (MCT) reactive
dyes was accomplished following a two-step procedure. It is
crucial to note that only a single type of bisazomonochlorotriazine
(MCT) reactive dyes was synthesized having a common
coupler, bisazo component and reactive system but different
bridging bis anilines.