BASF IRGACURE 369 is a Type I free-radical UV photoinitiator in the IRGACURE series, 2-benzyl-2-(dimethylamino)-4'-morpholinobutyrophenone, pale yellow powder, high UV absorption, ideal for colored UV-curable inks, varnishes, photoresists, solder masks, compoundable with IRG 184/651 for enhanced curing efficiency.
Efficient UV initiation - Rapid free-radical generation under UV, suitable for colored systems, improving curing speed and through-cure
High absorption - Dual absorption peaks, suitable for dark systems, reducing pigment’s curing impact
Excellent compounding synergy - Compatible with most monomers/oligomers, compoundable for enhanced surface curing
Good thermal stability - Thermally stable, easy-to-disperse powder, suitable for various film thicknesses
Imaging/electronic compatibility - Suitable for photoresists/solder masks, ensuring fine-pattern curing, improving resolution
UV-curable colored coatings - Suitable for dark coatings, ensuring curing efficiency and color stability
UV ink systems - Offset/screen inks, improving curing speed and surface curing, ideal for thin coats
Photoresists & printing plates - Ensuring imaging precision, suitable for printing plates/UV-curable resins
Electronic solder masks - PCB solder masks, suitable for fine-pattern curing, improving adhesion/chemical resistance
Clear coatings - Clear varnishes, ensuring transparency and long-term weatherability, suitable for outdoor scenarios
| Brand | BASF |
| Chemical Type | Type I free-radical UV photoinitiator (α-amino ketone) |
| Chemical Name | 2-benzyl-2-(dimethylamino)-4'-morpholinobutyrophenone |
| CAS No | 119313-12-1 |
| Appearance (25℃) | Pale yellow powder |
| Molecular Weight | 366.5 g/mol |
| Melting Point | 110-114℃ |
| Absorption Peaks | 233nm, 324nm (in methanol) |
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