Photoinitiator 1190 (CAS 68156-13-8) Technical Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Photoinitiator 1190 | Conventional Photoinitiators |
|---|---|---|
| CAS Number | 68156-13-8 | Varies |
| Molecular Weight | 368.4 g/mol | 250-400 g/mol |
| UV Absorption Range | 250-350 nm | 200-400 nm |
| Recommended Dosage | 1-3% (w/w) | 2-5% (w/w) |
| Storage Conditions | 4°C, dark environment | Ambient light stable |
2. Functional Applications
Photoinitiator 1190 excels in UV-curable systems requiring:
- Pigmented Coatings: Enables deep curing in titanium dioxide-rich formulations
- Flexible Inks: Maintains adhesion on polyethylene substrates under mechanical stress
- Low-Migration Packaging: Meets EU 10/2011 standards for food-contact materials
- 3D Printing Resins: Achieves 85%+ conversion rate at 385 nm LED wavelengths
3. Operational Use Cases
Case A: High-Speed Coating Curing
In roll-to-roll metal coating processes, 2.1% Photoinitiator 1190 reduced curing time from 8.5s to 3.2s at 150 m/min line speed under 300W/cm UV-LED arrays.
Case B: Low-Odor Adhesive Production
Replaced benzophenone derivatives with Photoinitiator 1190 in PSA formulations, achieving VOC levels below 50 μg/m³ while maintaining 98% bond strength.
4. Client Success Stories
Client 1: Global Packaging Manufacturer
Implemented Photoinitiator 1190 in food-grade UV inks, reducing extractables by 62% and achieving ISO 22000 certification for direct food contact applications.
Client 2: Electronics Component Supplier
Resolved delamination issues in conformal coatings through optimized 1190 concentration gradients, improving thermal cycling performance from 200 to 1,500 cycles.
Client 3: Automotive Coatings Developer
Enabled dual-cure functionality by combining 1190 with thermal initiators, reducing energy consumption by 40% in bumper coating processes.
5. Technical Consultation
For formulation optimization protocols or regulatory compliance documentation:
Email: info@vivalr.com
Tel: (86) 15866781826



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