Photoinitiator 2959

Photoinitiator 2959

Product Name: Photoinitiator 2959
CAS NO: 106797-53-9
Name: 2-hydroxy-4'-(2-hydroxyethoxy)-2-methyl-propiophe; 2-hydroxy-2-methyl-1-[4-(2-hydroxyethoxy)phenyl]-1-propanone; 1-[4-(2-hydroxyethoxy)phenyl]-2-hydroxy-2-methyl-1-propan-1-one
Molecular formula: C12H16O4
Molecular weight: 224.253
Density: 1.183g/cm3
Melting point: 88-90 ° C
Boiling point: 405 ° C at 760 mmHg
Flash point: 155.8 °C
Steam pressure: 2.75E-07mmHg at 25°C
Appearance: off-white powder
Absorption wavelength / nm: 276 nm (in methanol solution)

Characteristics and Uses:
1. Photoinitiator 2959 is an FDA-certified system that allows photoinitiators, low odor, low volatility, low yellowing, and can be used in adhesives that are not in direct contact with food. It has an active hydroxyl group hydroxyl hydroxyl group and can participate in the reaction. .

2, can be used in aqueous photocuring system, high melting point, can also be used in UV curing powder coatings. In the process of initiation, UV coating, ink and adhesive sensitizer are mainly used, which is better than (photoinitiator ITX+ photoinitiator EDAB) and photoinitiator BDK. It is not sensitive to oxygen inhibition and has low volatility. The surface curing effect is excellent, but the spectral absorption band is mainly in the short wavelength band, and the deep curing effect for the UV pigment system is not very good, and is suitable for use with the photoinitiator 369.

3. It is an efficient and non-yellowing UV photoinitiator for initiating UV polymerization of unsaturated prepolymerization systems, especially for low odor, waterborne acrylate and unsaturated polyester resins. Photoinitiator The active hydroxyl group in the 2959 molecule makes it easy to react with unsaturated resins. Suitable for conventional UV systems, it is suitable for aqueous UV formulations because its hydroxyl functional groups enhance the solubility of photoinitiator 2959 in aqueous coating formulations.

 

 

 

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