BASF IRGACURE 184 is a Type I free-radical UV photoinitiator in the IRGACURE series, 1-hydroxycyclohexyl phenyl ketone, white-grey crystalline powder, non-yellowing, thermally stable, initiating polymerization under UV, ideal for UV-curable acrylic varnishes, inks, electronic coatings, wood/plastic topcoats, compoundable with TINUVIN 292 for enhanced weatherability.
Efficient UV initiation - Rapid free-radical generation under UV, accelerating curing speed, shortening production cycle
Excellent non-yellowing - Minimal yellowing, suitable for outdoor and light-colored systems, ensuring long-term color stability
Superior miscibility & compounding - Compatible with most monomers/oligomers, usable alone or with other photoinitiators
High thermal stability & low migration - Good thermal stability, low migration, suitable for food-contact compliant formulations
Easy processing & wide adaptability - Easy to disperse, suitable for various film thicknesses, consistent batch performanc
Acrylic UV-curable varnishes - For paper, metal, plastic surfaces, improving gloss and weather resistance
Outdoor wood/plastic UV coatings - Suitable for outdoor weathering requirements, minimizing yellowing, ensuring long-lasting color
Flexo/screen UV inks - For packaging printing, enabling rapid curing and color stability
Electronic coatings - For PCB solder masks, optical film coatings, ensuring fine-pattern curing
Water-based UV dispersions - Suitable for water-based UV-curable coatings, ensuring curing efficiency and storage stability
| Brand | BASF |
| Chemical Type | Type I free-radical UV photoinitiator (1-hydroxycyclohexyl phenyl ketone) |
| Chemical Name | 1-hydroxycyclohexyl phenyl ketone |
| CAS No | 947-19-3 |
| Appearance (25℃) | White or off-white crystalline powder |
| Molecular Weight | 204.3 g/mol |
| Density (20℃) | 1.17 g/cm³ |
| Melting Point | 45-49℃ |
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