International Journal of Interdisciplinary Research
Table 4 Color fastness and change in color of bleached and modified jute fibers dyed with Reactive Orange 14, Reactive Brown 10, Direct Orange 31, Direct Blue 1 on sunlight exposure in open air
From: Characterization of grafted jute fiber using acrylate monomers pretreated with alkali
Exposure time, h | Fastness grade and color | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dyed with Reactive Orange 14 | Dyed with Reactive Brown 10 | Dyed with Direct Orange 31 | Dyed with Direct Blue 1 | |||||||||
Bleached | Modified | Bleached | Modified | Bleached | Modified | Bleached | Modified | |||||
EA | HEMA | EA | HEMA | EA | HEMA | EA | HEMA | |||||
0 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
50 | 4–5 | 4–5 | 4–5 | 4–5 | 4–5 | 5 | 4–5 | 4–5 | 4–5 | 4–5 | 4–5 | 4–5 |
100 | 4 | 4–5 | 4–5 | 4 | 4–5 | 4–5 | 4 | 4 | 4 | 4 | 4–5 | 4–5 |
150 | 3–4 | 4 | 4 | 3–4 | 3–4 | 4 | 3–4 | 3–4 | 4 | 3–4 | 4 | 4 |
200 | 3 | 3–4 | 4 | 3 | 3–4 | 3–4 | 3 | 3–4 | 3–4 | 3 | 3–4 | 4 |
250 | 2–3 | 2–3 | 3 | 2–3 | 3 | 3 | 2 | 2–3 | 3 | 2–3 | 3 | 3 |