Ultraviolet Absorbent UV-2 (CAS 65816-20-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
UV-2 Technical Parameters
| Property | Specification |
|---|---|
| Chemical Name | Ethyl 4-(((ethylphenylamino)methylene)-amino)benz |
| CAS Number | 65816-20-8 |
| Molecular Formula | C18H20N2O2 |
| Molecular Weight | 296.36 g/mol |
| Absorption Range | 280-350 nm (UV-B to UV-A spectrum) |
Comparative Analysis
| Feature | UV-2 | Standard UV Absorbers |
|---|---|---|
| Thermal Stability | Up to 220°C | Typically <200°C |
| Polar Solubility | Excellent in organic solvents | Variable compatibility |
| Migration Resistance | Superior polymer retention | Moderate leaching risk |
2. Key Applications & Functional Benefits
Core Industrial Applications
- Polymer Stabilization: Extends service life of polyethylene films by 40-60% through UV degradation inhibition
- Coating Systems: Maintains color fidelity in automotive paints under intense solar exposure
- Textile Treatment: Enhances UV blocking capacity in outdoor fabrics (UPF 50+ certification support)
Performance Advantages
- Reduces carbonyl formation by 85% in polypropylene composites
- Enables 5-year warranty compliance for outdoor plastic components
- Compatible with high-temperature processing (injection molding/extrusion)
3. Practical Use Cases
Case A: Automotive Interior Protection
UV-2 at 0.8% loading in PVC dashboard components prevented yellowing under 3,000 hours of Xenon-arc weathering (SAE J2527 standard), maintaining 90% initial gloss retention.
Case B: Agricultural Film Optimization
Incorporation of 1.2% UV-2 in greenhouse polyolefin films extended UV barrier effectiveness from 12 to 18 months, reducing crop losses from UV-induced film brittleness by 22%.
4. Industry-Specific Implementation
Recommended Formulation Guidelines
| Application | Loading Rate | Synergistic Additives |
|---|---|---|
| Engineering Plastics | 0.5-1.0% w/w | Hindered amine light stabilizers |
| Industrial Coatings | 1.2-1.8% w/w | Inorganic UV reflectors |
5. Client Success Stories
Client 1: European Packaging Manufacturer
Implemented UV-2 in PET food containers to meet EU 10/2011 migration limits while achieving 18-month UV protection for vitamin-sensitive contents. Production scale: 850 tonnes/month.
Client 2: Asian Fiber Producer
Solved yarn strength degradation in outdoor furniture textiles using UV-2/HALS combination system, enabling entry into North American premium market. Annual consumption: 12 metric tons.
6. Technical Consultation & Ordering
Our formulation engineers provide customized solutions for:
- Material compatibility testing
- Regulatory compliance analysis (REACH, FDA, RoHS)
- Accelerated weathering protocol development
Contact our technical team for sample requests or project specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
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