IGM Omnirad BCIM is a high-efficiency multi-functional biimidazole Type II free radical UV photoinitiator in the Omnirad series, designed for UV polymerization in the electronic field and direct laser imaging scenarios. Its core component is 2-(2-Chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenyl-2H-imidazol-2-yl]-4,5-diphenyl-1H-imidazole. It can efficiently decompose to generate free radicals under UV light or laser
High-efficiency multi-functional initiation - Biimidazole structure, high initiation efficiency, combining both UV polymerization and laser imaging functions
Excellent laser adaptability - Precisely matches the needs of direct laser imaging (LDI), with clear imaging and high resolution
Electronic-grade purity - High purity and low impurity content, suitable for high-precision and high-reliability curing requirements in the electronic field
Multi-system compatibility - Suitable for electronic-grade UV formulations, compatible with various acrylate oligomers, strong versatility
Easy solid control - Off-white crystalline powder, easy to weigh, store and transport, accurate addition and convenient processing
Direct laser imaging field - Laser imaging and curing of solder mask and photoresist in PCB manufacturing, with excellent precision
Electronic packaging field - UV curing of electronic component packaging adhesives, improving packaging sealing and reliability
Photoresist field - UV curing of electronic-grade photoresist, suitable for high-precision pattern preparation with high resolution
Electronic adhesive field - Special UV adhesives for electronics, high bonding strength, suitable for precision electronic components
Special UV curing field - Polymerization of special unsaturated oligomers in the electronic field, meeting high-end curing needs
| Brand & Series | IGM (Omnirad® series) |
| Chemical Type | Biimidazole Type II free radical UV photoinitiator |
| CAS No | 7189-82-4 |
| Molecular Formula | C40H28Cl2N4 |
| Appearance (25°C) | Off-white crystalline powder |
| Purity | ≥98.0% |
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