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Send EmailFadex F Liq Conc, Improves Hot Lightfastness, Polyester Light Fastness Developer, UV Adsorber
Benzotriazole Derivative
| Representation Type | Information |
|---|---|
| Chemical Name | Benzotriazole derivative UV absorber |
| Trade Name | Fadex® F liq, Fadex® F liq conc |
| Manufacturer | Archroma |
| Chemical Class | Benzotriazole derivative, UV absorber |
| Ionic Character | Anionic |
| CAS Number | Trade mixture (not specified) |
UV-absorbing structure containing benzotriazole ring
(Conjugated system that absorbs UV radiation)
| Parameter | Information |
|---|---|
| Product Name | Fadex® F liq conc |
| Manufacturer | Archroma |
| Chemical Type | Benzotriazole derivative UV absorber |
| Application Area | Light fastness improver for polyester and blends |
| Primary Function | Improves light fastness through UV absorption |
| Product Range | Fadex® series of UV absorbers |
| Key Application | Automotive textiles (seat covers, interior trims, seat belts) |
| Property | Value |
|---|---|
| Appearance | Slightly yellowish, aqueous dispersion |
| Chemical Composition | Benzotriazole derivative |
| Ionic Character | Anionic |
| Density (20°C) | Approx. 1.05 g/cm³ |
| Viscosity | < 300 mPa.s |
| pH (Product) | 5.5-6.0 |
| Dilution | Miscible with cold water in all proportions |
| Freezing Point | Freezes below -30°C; full activity restored upon thawing with stirring |
| Parameter | Information |
|---|---|
| Hard Water | Good (resistant to salt formation) |
| Acids | Good |
| Heat | Rapid and complete exhaustion onto polyester at high temperatures |
| Freezing | Freezes at -30°C; can be used after thawing with stirring |
| Property | Description |
|---|---|
| UV Absorption | High absorption rate across a broad UV range |
| Light Fastness Improvement | Improves hot light fastness of disperse-dyed polyester |
| Fiber Protection | Reduces photochemical fiber degradation; prevents fiber damage |
| Dispersion Stability | High dispersion stability; especially suitable for exhaust dyeing |
| Color Effect | Low inherent color; practically no effect on dyeing shade |
| Sublimation Resistance | Partial sublimation loss may occur during subsequent heat treatments; can be compensated by increased dosage |
| Compatibility | Compatible with anionic and non-ionic products used in polyester dyeing |
Polyester (PES) and modified polyester fibers
Polyester blends
Automotive textiles (seat fabrics, interior trims, safety belts)
| Application | Description |
|---|---|
| Exhaust Dyeing | Applied together with dyes at the start of the dyeing cycle; rapidly and completely exhausted at 130°C |
| Pad-Thermosol Process | Used in pad-dry-thermosol processes; sublimation may occur at high temperatures |
| Printing | Added to printing paste; fixed in high-temperature steam |
| Component | Quantity | Function |
|---|---|---|
| Disperse Dyes | x % | Coloring |
| Fadex® F liq conc | 1.2-4 % | UV absorber / Light fastness improver |
| Opticid® PB Liquid or Opticid PSD Liquid | 1-2 g/l | pH adjustment (pH 4.5-5) |
| Lyocol® RDN Liquid | 0.5-2 g/l | Leveling agent / Dispersant |
Process:
Heat to 130°C
Process at 130°C for 30-60 minutes
| Component | Quantity |
|---|---|
| Disperse Dyes | x g/l |
| Fadex® F liq conc | 20-50 g/l |
| Solidokoll® N Liquid | 10-30 g/l |
| Opticid® PB Liquid or Opticid PSD Liquid | Adjust pH to 4-5 |
Process:
Padding pick-up: 60-80%
Drying: 110-130°C
Thermosol Fixation: 190-210°C (temperature and time depend on dye quantity)
Final process: Reduction cleaning (with soda and hydrosulfite)
| Component | Quantity |
|---|---|
| Thickener | x g |
| Disperse Dyes | y g |
| Printogen® HDN Liquid conc. | 10 g |
| Lyogen CN Liquid | 5-10 g |
| Fadex® F liq conc | 20-50 g |
| Opticid PB Liquid (diluted 1:2) | 10 g |
| Water | Make up to 1000 g |
Process:
Drying: 110°C
Fixation: 180°C for 6 minutes (superheated steam)
Final process: Reduction cleaning
| Parameter | Exhaust | Pad-Thermosol | Printing |
|---|---|---|---|
| Dosage | 1.2-4% | 20-50 g/l | 20-50 g/kg |
| Temperature | 130°C | 190-210°C | 180°C |
| Time | 30-60 min | Oven parameters | 6 min |
| pH | 4.5-5 | 4-5 | - |
Reduction cleaning is recommended for optimum light fastness :
| Step | Process | Conditions |
|---|---|---|
| 1 | Cold rinsing | - |
| 2 | Warm washing | 40°C with 1 g/l Lyogen® DFT liq |
| 3 | Warm washing | 50°C with 1 g/l Lyogen® DFT liq |
| 4 | Reduction cleaning | 70°C: 1 g/l Lyogen® DFT liq + 4 g/l Soda ash + 2 g/l Sodium dithionite |
| 5 | Cold rinsing | With neutralization |
| Substance / Medium | Compatibility |
|---|---|
| Anionic Products | COMPATIBLE |
| Non-ionic Products | COMPATIBLE |
| Cationic Products | Information not specified |
| Carriers | Can be used (but residues may negatively affect light fastness) |
Low foaming tendency
Partial sublimation may occur during subsequent heat treatments (e.g., calendering, shaping)
Loss can be compensated by increasing the dosage
| Parameter | Information |
|---|---|
| Storage Temperature | 0°C - 40°C |
| Freeze Resistance | Freezes at -30°C; can be used after thawing with stirring |
| Shelf Life (Closed Container) | 12 months |
| Important Note | Stir well before use (dispersion product) |
| Storage | Cool, dry, well-ventilated area |
Freezing: Product freezes at -30°C but fully regains effectiveness after thawing and stirring.
Carrier Use: Carriers may be used, but carrier residues can adversely affect light fastness.
Sublimation Loss: Partial sublimation may occur during subsequent heat treatments; can be compensated by increasing dosage.
Automotive Applications: Fadex® AS New version is developed to meet VDA 278 test requirements for the automotive industry.
Washing: Reduction cleaning is recommended for all dyeings to achieve optimum light fastness.
The information provided in this document is based on our current knowledge and experience and is presented in good faith; however, as all conditions of use are beyond our control, it does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing the suitability for their own applications. Fadex® is a registered trademark of Archroma. For complete safety, storage, use, handling, disposal, and regulatory compliance information, please refer to the official Safety Data Sheet (SDS) provided by the manufacturer/supplier.