True reactive dyes which do not require alkali for fixation.
Ideal for blend dyeing such as acrylic/cotton (using Itocryl CD dyes) giving a one bath system.
| ITOREACT Dyeing Method | |
| Recipe : | x% Dye |
| 0.5g/l Itoquest LJ3-12 | |
| y g/l Salt | |
| Buffer to pH7 | |
| Method : | Heat to 40ºC. |
| Add dyes, chemicals and salt. | |
| Heat at 2ºC/min to 80ºC and hold for 20 minutes. | |
| Heat at 2ºC/min to 100ºC. | |
| Run for 40 to 60 minutes at 100ºC. | |
| Cool at 2ºC/min to 60ºC. | |
| Drop liquor and rinse, acid rinse, soap at 100ºC | |
Fastness Test Methods
The fastness properties were tested at 1/1 standard depths.
The fastness is given for untreated undefined.
| Light Fastness | ISO 105-B02 |
| Wash Fastness | ISO 105-C02 |
Symbols Used In Fastness Columns
| CS | Change of shade |
| S | Staining on same fabric |
| Salt | |||
| % Dyestuff | Cotton | Viscose | |
| <0.1 | 10 | 5 | |
| >0.1 – 0.3 | 20 | 10 | |
| >0.3 – 0.5 | 30 | 15 | |
| >0.5 – 1.0 | 40 | 25 | |
| >1.0 – 2.0 | 50 | 35 | |
| >2.0 – 4.0 | 70 | 45 | |
| >4.0 | 90 | 60 | |
| ITOREACT | Fastness Properties | |||||
| Sol | Light | Wash 70ºC | Affinity | |||
| Dyed at 1%, Navy at 2% | 50ºC | 1/1 | CS | S | ||
| Yellow PC4G | 70 | 5< | 4/5 | 5 | C | |
| Yellow PCML | 20 | 5 | 4/5 | 4/5 | B | |
| Golden Yellow PCGL | 20 | 5< | 4/5 | 4/5 | B | |
| Brown PCAL | 50 | 4/5 | 4/5 | 4/5 | B | |
| Scarlet PCGL | 70 | 4/5 | 4/5 | 4/5 | C | |
| Red PC3B | 15 | 4 | 4/5 | 5 | B | |
| Turquoise PC2G | 50 | 4 | 4/5 | 4/5 | C | |
| Blue PCFL | 35 | 4 | 4/5 | 5 | A | |
| Blue PCBL | 20 | 5 | 4/5 | 5 | C | |
| Blue PCMG | 30 | 4/5 | 4/5 | 4 | B | |
| Navy PCR | 35 | 4 | 4/5 | 5 | A | |