Optimization of dyeing parameters of cotton standardized samples for laundry test of dye transfer inhibition program

Fashion and Textiles

International Journal of Interdisciplinary Research

Table 4 The design and results of the central composite experiment

Run	A: Dye dosage (%(owf))	B: Dyeing temperature (°C)	C: Sodium sulfate dosage (g/L)	D: Sodium carbonate dosage (g/L)	R₁ (mg/mL)	R₂
1	5	40	90	15	0.00177	13.34
2	5	60	90	15	0.00379	17.4
3	5	60	90	15	0.00358	17.13
4	6	70	100	10	0.00295	16.67
5	4	50	100	10	0.00216	14.28
6	5	60	90	25	0.00285	16.48
7	4	70	80	20	0.00205	14.07
8	6	50	100	20	0.0029	16.53
9	4	70	100	20	0.00216	14.45
10	6	50	80	20	0.00264	15.48
11	5	80	90	15	0.00176	13.18
12	7	60	90	15	0.00314	16.79
13	4	70	80	10	0.00211	14.11
14	3	60	90	15	0.00193	13.85
15	4	50	80	10	0.00222	14.61
16	5	60	90	15	0.00368	17.29
17	6	50	100	10	0.00279	16.47
18	6	70	80	10	0.00279	16.24
19	5	60	90	5	0.00265	15.52
20	4	70	100	10	0.00196	14.03
21	5	60	110	15	0.00306	16.77
22	5	60	90	15	0.00375	17.52
23	6	70	80	20	0.0026	15.34
24	4	50	100	20	0.00238	14.66
25	5	60	90	15	0.00369	17.71
26	5	60	70	15	0.00271	16.06
27	4	50	80	20	0.0022	14.61
28	6	70	100	20	0.00266	15.77
29	6	50	80	10	0.00242	15.24
30	5	60	90	15	0.00389	17.16