Table 1 Color characteristics and color fastness properties of wool pre-mordanted with A. catechu and dyed with R. cordifolia
Mordant (%) | L* | a* | b* | c* | ho | K/S | Light fastness | Wash fastness | Rub fastness | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
c.c. | c.s. | c.w. | Dry | Wet | ||||||||
Nil | 48.1 | 40.0 | 36.2 | 53.9 | 42.1 | 11.02 | 4/5 | 3/4 | 4/5 | 4/5 | 4/5 | 3/4 |
0.5 | 46.8 | 39.2 | 30.2 | 49.5 | 37.5 | 12.12 | 4/5 | 4 | 4/5 | 4/5 | 4/5 | 3/4 |
1.0 | 42.1 | 38.8 | 25.2 | 39.1 | 32.9 | 14.36 | 5 | 4/5 | 4/5 | 4/5 | 4/5 | 4 |
2.0 | 38.0 | 36.0 | 21.9 | 42.2 | 31.3 | 16.21 | 5 | 4/5 | 5 | 5 | 5 | 4 |
3.0 | 34.0 | 32.2 | 17.1 | 36.4 | 27.9 | 17.36 | 5 | 5 | 5 | 5 | 5 | 4/5 |
4.0 | 33.5 | 30.2 | 15.6 | 34.0 | 27.2 | 17.72 | 5 | 5 | 5 | 5 | 5 | 4/5 |
5.0 | 32.3 | 30.0 | 14.0 | 33.2 | 25.0 | 18.02 | 5 | 5 | 5 | 5 | 5 | 4/5 |