International Journal of Interdisciplinary Research
Table 3 Colour strength values of woven fabrics dyed with natural colourant
From: Copper nano-sol loaded woven fabrics: structure and color characterization
Fabric sample | Colour strength (K/S) values | Fastness ratings | |
|---|---|---|---|
LF | WF | ||
Untreated polyester | 1.24 | 7 | 4–5 |
Polyester treated with copper nano | 1.96 | 6–7 | 4 |
Polyester treated with CuSO4 | 2.33 | 6–7 | 4–5 |
Untreated cotton | 3.45 | 6–7 | 4 |
Cotton treated with copper nano | 5.35 | 6–7 | 4–5 |
Cotton treated with CuSO4 | 5.87 | 6–7 | 4 |
Untreated P–C blend | 2.47 | 6 | 4 |
P–C blend treated with copper nano | 2.51 | 6–7 | 4 |
P–C blend treated with CuSO4 | 4.26 | 6–7 | 4 |