Photoinitiator 160 (CAS 71868-15-0): Comprehensive User Guide for UV Curing Applications
Table of Contents
1. Product Overview & Technical Specifications
Photoinitiator 160 (CAS 71868-15-0) Basic Properties
| Parameter | Specification |
|---|---|
| Chemical Name | Bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide |
| CAS Number | 71868-15-0 |
| Molecular Formula | C26H27O3P |
| Molecular Weight | 418.47 g/mol |
| Appearance | Light yellow crystalline powder |
| Solubility | Excellent in acrylates, methacrylates, and UV-curable resins |
| Storage Conditions | 2-8°C in dark, dry environment |
Performance Comparison Table
| Feature | Photoinitiator 160 | TPO | ITX |
|---|---|---|---|
| Absorption Range | 300-420 nm | 350-420 nm | 250-400 nm |
| Curing Speed | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ |
| Yellowing Resistance | Excellent | Good | Moderate |
2. Key Applications & Industry Uses
Primary Application Fields
- UV-curable coatings for wood, plastic, and metal substrates
- High-performance printing inks (offset, flexo, screen)
- 3D printing resins (SLA/DLP technologies)
- Electronic conformal coatings
- Adhesives for medical devices
3. Step-by-Step Usage Guidelines
Typical Formulation Example
| Component | Weight % | Function |
|---|---|---|
| Oligomer (e.g., urethane acrylate) | 60-70% | Base resin |
| Photoinitiator 160 | 3-5% | Curing catalyst |
| Reactive diluent | 20-30% | Viscosity control |
4. Real-World Case Studies
Case Study 1: CoatWell Inc. (Germany)
Challenge: Reduce yellowing in clear coat for luxury furniture
Solution: 4% Photoinitiator 160 in UV-curable polyurethane
Result: Δb* value reduced from 2.8 to 0.9 after 500h QUV testing
Case Study 2: PrintMaster Solutions (USA)
Challenge: Improve cure-through in opaque packaging inks
Solution: 2.5% Photoinitiator 160 + 1% ITX synergy
Result: Cure speed increased by 40% at 395nm LED source
5. Inquiry & Contact Information
For technical specifications, MSDS, or custom formulation support:
Email: info@vivalr.com
Tel: (86) 15866781826
Request free sample or discuss OEM requirements:
- 24-hour response time
- Custom particle size options (1-50μm)
- Bulk quantities (25kg drums)
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