BASF IRGACURE 2100 is a liquid UV photoinitiator in the IRGACURE series, clear yellow viscous liquid, active component IRG 819, easier to handle/deeper curing than LUCIRIN TPO, suitable for white/low-yellowing formulations, compoundable with α-hydroxy ketones, ideal for inks/adhesives/coatings.
Efficient UV initiation - Rapid free-radical generation under UV, suitable for thick films, improving through-cure efficiency
Excellent processability - Liquid form easy to mix, more convenient than LUCIRIN TPO, reducing processing costs
Low yellowing/color stability - Suitable for white formulations, minimal yellowing after curing, reducing pigment aggregation
Compounding synergy - Compoundable with α-hydroxy ketones, balancing surface/through-cure, suitable for multi-system formulations
Broad compatibility - Compatible with solvents/acrylates, suitable for varnishes/pigmented coating
Printing inks - Screen/flexo inks, suitable for white/colored systems, improving curing speed/color stability
Adhesives - UV-curable adhesives, suitable for multi-substrate bonding, improving bond strength/chemical resistance
Multi-substrate coatings - Varnishes/pigmented coatings for wood/paper/metal/plastic/fibers, ensuring coating performance
White paint systems - White UV coatings, ensuring low yellowing/low pigment aggregation, improving coating appearance
Thick-film curing - Thick-film UV coatings, better through-cure than LUCIRIN TPO, ensuring uniform curing
| Brand | BASF |
| Chemical Type | Free-radical UV photoinitiator (active component IRG 819) |
| Appearance (25℃) | Clear yellow viscous liquid |
| Active Component | IRG 819 (main active substance) |
| Density (20℃) | 1.1g/mL |
| Absorption Peaks | 275nm, 370nm (in methanol) |
| Solubility (20℃, g/100g) | Most solvents/acrylates: >50; Water: slightly soluble |
| Flash Point | >90℃ |
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