IGM Omnirad 4817 is a high-efficiency Type I free radical UV photoinitiator of α-amino ketone in the Omnirad series, designed for UV radiation curing systems. It can quickly decompose to generate free radicals when exposed to UV light, efficiently initiating the polymerization of diluted acrylates and acrylate oligomers. Benzene-free, low-odor and highly compatible, it is suitable for various UV curing formulations, an efficient core curing additive for printing inks, wood coatings, UV adhesives and other scenarios.
High-efficiency α-amino ketone initiation - Type I initiation mechanism, fast free radical generation, high polymerization efficiency and fast curing speed
Broad-spectrum UV absorption - Wide UV absorption range, suitable for different UV light sources, excellent reactivity in colored systems
Benzene-free low-odor environmental protection - Benzene-free formula, extremely low odor, meets high-end environmental compliance, suitable for sensitive scenarios
Multi-system compatibility - Compatible with various acrylate systems, suitable for solvent-based and water-based UV curing formulations, strong versatility
Easy processing and storage - Solid form easy to store and transport, easy to add and mix, no complex process adjustment needed
Printing ink field - Offset, screen, flexo inks and overprint varnishes, fast curing, high printing precision
Wood coating field - Wood UV varnishes/colored paints, strong adhesion, scratch resistance, improving wood decoration durability
UV adhesive field - Acrylate-based UV adhesives, high bonding strength, fast curing speed, suitable for precision bonding
Plastic coating field - UV protective coatings for plastic surfaces, good fit, excellent weather resistance and chemical resistance
Paper coating field - Paper UV curing coatings, high efficiency curing, improving paper surface gloss and wear resistance
| Brand | IGM (Omnirad® series) |
| Chemical Type | Type I free radical UV photoinitiator of α-amino ketone |
| Alias | 2-Methyl-1-[4-(methylthio)phenyl]-2-morpholinopropan-1-one |
| CAS No | 71868-10-5 |
| Appearance (25℃) | Pale yellow crystalline powder |
| Purity | ≥98.0% |
| Molecular Weight | 279.4g/mol |
| Melting Point | 73-76℃ |
| Absorption Wavelength Range | 250-380nm (in methanol) |
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