BASF IRGACURE 2959 is a water-soluble non-yellowing UV photoinitiator in the IRGACURE series, pale gray powder, lower volatility/odor than IRG 1173, hydroxyl for water-based systems/polymer grafting, suitable for high-temperature moisture-evaporated UV formulations, ensuring curing efficiency/low odor.
Efficient UV initiation - Rapid free-radical generation under UV, suitable for water-based/low-odor systems, improving curing efficiency
Non-yellowing/low-odor - No yellowing after curing, extremely low odor, suitable for indoor/food-contact coatings
Hydroxyl grafting advantage - Hydroxyl enables polymer grafting, low volatility, suitable for high-temperature moisture-evaporated UV formulations
Water-based compatibility - Hydroxyl improves water solubility, suitable for water-based acrylic/unsaturated polyester UV systems
Low volatility/easy processing - Lower volatility than IRG 1173, safer processing, reducing environmental/occupational impact
Water-based UV coatings - Water-based varnishes for wood/metal/plastic, improving adhesion/water resistance, suitable for eco-friendly/low-odor requirements
Paper printing - UV inks for paper surfaces, low odor, suitable for food packaging printing, ensuring printing precision
Electronic materials - Coatings for optical fibers/films, non-yellowing, improving optical properties/weatherability
Wood UV paints - Water-based UV paints for furniture, low-odor/eco-friendly, suitable for indoor use, ensuring coating aesthetics
Plastic coatings - UV-curable coatings for plastic surfaces, improving scratch resistance, suitable for medical/daily necessities
| Brand | BASF |
| Chemical Type | Free-radical UV photoinitiator (α-hydroxy ketone) |
| Chemical Name | 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone |
| CAS No | 106797-53-9 |
| Appearance (25℃) | Pale gray powder |
| Molecular Weight | 224.3 g/mol |
| Melting Point | 86.5-89.5℃ |
| Flash Point | >100℃ |
| Absorption Peak | 276nm (in methanol) |
| Odor | Extremely low |
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