Cationic Blue
What is Cationic Blue?
Cationic Blue is a high-performance cationic dye specifically formulated for industrial applications. With superior color fastness and excellent affinity for synthetic fibers, Cationic Blue delivers vibrant, long-lasting coloration across various textile applications.
Key Features of Cationic Blue
- Exceptional lightfastness (Grade 7-8 on the Blue Wool Scale)
- Superior wash fastness (Grade 4-5 at 60°C)
- Excellent migration properties during dyeing
- High exhaustion rate (typically 95-98%)
- Outstanding leveling characteristics
Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Class | Cationic (Basic) Dye |
| Color Index Number | CI Basic Blue 3 |
| Molecular Weight | 393.89 g/mol |
| pH Range | 3.5-5.5 |
| Solubility | 50 g/L at 25°C |
| Storage Conditions | Cool, dry place below 30°C |
Applications of Cationic Blue
Cationic Blue is primarily used for:
- Acrylic fiber dyeing
- Modacrylic fiber coloration
- Paper coloration
- Ink manufacturing
- Specialty coating applications
Dyeing Process Parameters
| Process Parameter | Recommended Value |
|---|---|
| Temperature | 98-100°C |
| Time | 45-60 minutes |
| pH Value | 4.0-4.5 (acetic acid adjusted) |
| Liquor Ratio | 1:20 to 1:30 |
| Retarder (optional) | 1-2% owf |
FAQ About Cationic Blue
What makes Cationic Blue different from other blue dyes?
Cationic Blue stands out due to its unique cationic nature, which provides superior affinity for synthetic fibers, particularly acrylics. Unlike acid or reactive dyes, Cationic Blue forms ionic bonds with negatively charged fibers, resulting in exceptional color fastness and brilliant shades that maintain their vibrancy through repeated wash cycles and exposure to light.
Can Cationic Blue be used for cotton fabrics?
No, Cationic Blue is specifically designed for synthetic fibers with negative charge sites, primarily acrylic and modacrylic fibers. For cotton dyeing, reactive or direct dyes would be more appropriate. Attempting to use Cationic Blue on cotton would result in poor exhaustion and wash fastness due to the lack of ionic bonding sites in cellulosic fibers.
What safety precautions should be taken when handling Cationic Blue?
While Cationic Blue is generally safe when handled properly, we recommend wearing protective gloves and eyewear during handling. Avoid inhalation of dust and ensure adequate ventilation in work areas. In case of skin contact, wash thoroughly with soap and water. Keep containers tightly closed when not in use and store away from food products.
Environmental Considerations
Cationic Blue meets international environmental standards for textile dyes. Our product is:
- Free from restricted aromatic amines
- Compliant with REACH regulations
- Non-bioaccumulative
- Readily biodegradable under aerobic conditions
Packaging Options
| Package Size | Form | Shelf Life |
|---|---|---|
| 1 kg | Powder | 24 months |
| 5 kg | Powder | 24 months |
| 25 kg | Powder | 24 months |
| 50 kg | Powder | 24 months |
| Liquid (upon request) | Pre-dissolved | 12 months |
Quality Assurance
Every batch of Cationic Blue undergoes rigorous quality control testing, including:
- Spectrophotometric analysis for color strength
- Chromatographic purity testing
- pH and solubility verification
- Application testing on standard substrates
Technical Support
Our team of dyeing experts provides comprehensive technical support for Cationic Blue applications, including:
- Process optimization
- Troubleshooting
- Shade matching assistance
- Regulatory compliance guidance