Research Article
Zirconium Oxychloride as a Novel Mordant for Natural Dyeing of Wool Yarns
Table 2
Central composite design for mordanting of wool with formic acid.
| | Run number | A: zirconium oxychloride
(wt%) | B: temperature
(°C) | C: citric acid
(o.w.w.%) | D: formic acid
(o.w.w.%) | Tenacity
(g/tex) |
| | 1 | 10.30 | 95.00 | 12.80 | 5.65 | 8.97 | | 2 | 10.30 | 77.00 | 12.80 | 10.35 | 8.27 | | 3 | 4.00 | 86.00 | 9.55 | 8.00 | 8.92 | | 4 | 5.60 | 95.00 | 12.80 | 10.35 | 8.36 | | 5 | 10.30 | 95.00 | 6.30 | 5.65 | 9.20 | | 6 | 7.95 | 101.14 | 9.55 | 8.00 | 8.57 | | 7 | 5.60 | 95.00 | 6.30 | 10.35 | 9.16 | | 8 | 11.90 | 86.00 | 9.55 | 8.00 | 8.50 | | 9 | 7.95 | 86.00 | 15.02 | 8.00 | 9.50 | | 10 | 5.60 | 77.00 | 12.80 | 5.65 | 9.23 | | 11 | 7.95 | 86.00 | 9.55 | 8.00 | 9.65 | | 12 | 7.95 | 86.00 | 9.55 | 8.00 | 9.71 | | 13 | 7.95 | 86.00 | 9.55 | 8.00 | 8.95 | | 14 | 7.95 | 86.00 | 4.08 | 8.00 | 8.58 | | 15 | 5.60 | 77.00 | 6.30 | 5.65 | 9.94 | | 16 | 7.95 | 86.00 | 9.55 | 8.00 | 8.37 | | 17 | 7.95 | 70.86 | 9.55 | 8.00 | 8.64 | | 18 | 7.95 | 86.00 | 9.55 | 11.95 | 8.85 | | 19 | 10.30 | 77.00 | 6.30 | 10.35 | 8.68 | | 20 | 7.95 | 86.00 | 9.55 | 4.05 | 8.40 | | 21 | 7.95 | 86.00 | 9.55 | 8.00 | 8.58 |
|
|
