IGM Omnirad 379 is a high-efficiency alpha-amino ketone Type I free radical UV photoinitiator in the Omnirad series, designed for UV radiation curing systems. Its core component is 2-Dimethylamino-2-(4-methylbenzyl)-1-(4-morpholin-4-ylphenyl)-butan-1-one. It can efficiently decompose to generate free radicals under UV light, quickly initiating the photopolymerization of unsaturated prepolymers such as acrylates with mono and multifunctional vinyl monomers, suitable for various UV curing scenarios
High-efficiency Type I initiation - Alpha-amino ketone structure, high initiation efficiency, fast and uniform surface and deep curing effect
Pigmented system adaptation - Suitable for pigmented UV curing systems, no impact on base color after curing, good color stability
Broad-spectrum compatibility - Suitable for acrylate systems, compatible with solvent-based UV formulations, strong versatility
Low-yellowing property - No obvious yellowing after curing, suitable for light-colored, transparent and pigmented systems, good decorativeness
Easy solid processing - Crystalline powder form, easy to weigh, store and transport, accurate addition and convenient dispersion
Pigmented UV inks - Screen, offset pigmented inks, suitable for paper, plastic, metal substrates, full color
Photoresist field - High-precision photoresist UV curing, suitable for electronic components and printing plate manufacturing scenarios
Pigmented UV coatings - Wood, plastic pigmented UV coatings, uniform curing, improving coating wear resistance and decorativeness
Transparent UV varnishes - Various transparent UV varnishes, maintaining high light transmittance, not easy to lose light and discolor after long-term use
General UV curing - UV curing adhesives and prepolymer systems, suitable for various substrates, reliable performance
| Chemical Type | Alpha-amino ketone Type I free radical UV photoinitiator |
| Chemical Composition | 2-Dimethylamino-2-(4-methylbenzyl)-1-(4-morpholin-4-ylphenyl)-butan-1-one |
| Alias | Photoinitiator 379, PI379 |
| CAS No | 119344-86-4 |
| Appearance (25°C) | White to pale yellow crystalline powder |
| Purity | ≥98.0% |
| Molecular Weight | 380.52 g/mol |
| Melting Point | 88-92°C |
| Boiling Point | 542.0±50.0°C (Predicted) |
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