Table of Contents
- Product Overview & Specifications
- Detailed Applications
- Implementation Case Studies
- Verified Client Success Stories
- Contact for Technical Consultation
UV Absorber 384 (CAS 127519-17-9) Technical Specifications
Key Parameters
| Parameter | UV Absorber 384 | UV-328 | UV-571 |
|---|---|---|---|
| Molecular Formula | C22H29N3O | C21H26N3O | C20H24O2 |
| Molecular Weight | 351.49 g/mol | 342.45 g/mol | 308.40 g/mol |
| Absorption Range | 270-380 nm | 280-360 nm | 290-400 nm |
| Thermal Stability | 300°C+ | 250°C | 280°C |
Performance Advantages
- Superior compatibility with engineering plastics
- Non-yellowing characteristics in polycarbonate
- 40% higher photostability vs. benzophenone absorbers
Industrial Applications
Primary Usage Sectors
| Industry | Typical Concentration | Protection Mechanism |
|---|---|---|
| Automotive Coatings | 0.5-1.2% w/w | Prevents clearcoat degradation |
| PET Packaging | 0.3-0.8% w/w | Blocks UV-induced oxidation |
| PVC Window Profiles | 0.2-0.5% w/w | Reduces chalking tendency |
Implementation Guidelines
Optimal Processing Conditions
| Material | Mixing Temperature | Shear Rate | Dispersion Method |
|---|---|---|---|
| Polyolefins | 190-220°C | 200-400 rpm | Melt compounding |
| Polycarbonate | 260-280°C | 150-300 rpm | Dry blending |
Client Success Stories
Case 1: Automotive Polymer Components
Client: Top 3 European auto supplier
Challenge: Dashboard surface cracking after 2-year UV exposure
Solution: 0.6% UV384 in PC/ABS blend
Result: Passed 3000h Xenon-arc testing with ΔE<1.5
Case 2: Agricultural Film Producer
Client: Southeast Asia market leader
Challenge: 35% yield loss from UV degradation
Solution: Multi-layer film with 0.4% UV384
Result: Extended service life to 18 months
Technical Consultation & Sample Request
Contact our material science experts:
Email: info@vivalr.com
Tel: (86) 15866781826
Request product validation package including:
– FTIR spectrum analysis
– DSC thermal profile
– 3rd-party weathering test reports
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