BASF LUCIRIN TPO is a diphenylphosphine oxide solid UV photoinitiator in the LUCIRIN® series, white powder, long-wave absorption/photo-bleaching for thick films/white systems, compoundable with α-hydroxy ketones, ideal for inks/adhesives/coatings, ensuring curing efficiency/low yellowing.
Efficient dual-radical initiation - Photolysis generates dual active free radicals, improving curing speed/efficiency
Long-wave absorption for thick films - Absorption covers 350-400nm, suitable for thick films/high-hiding systems
Photo-bleaching/low yellowing - Significant photo-bleaching, minimal yellowing after curing, suitable for white/clear systems
Broad compatibility - Compatible with solvents/acrylates, suitable for varnishes/inks/adhesives
Compounding synergy - Compoundable with α-hydroxy ketones, balancing surface/through-cure, suitable for multi-formulations
Printing inks - Screen/flexo/offset inks, suitable for white/colored systems, ensuring color stability/curing effect
Metal coatings - UV-curable coatings for metal surfaces, improving adhesion/corrosion resistance
3D printing materials - Photosensitive resins, suitable for thick-layer printing, improving precision/curing speed
Optical fiber coatings - UV-curable coatings for optical fiber surfaces, ensuring optical performance/stability
Wood/plastic coatings - Varnishes/colored coatings for wood/plastic, achieving low yellowing/high curing efficiency
| Brand | BASF |
| Chemical Type | Phosphine oxide Norrish Type I UV photoinitiator |
| Chemical Name | Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide |
| CAS No | 75980-60-8 |
| Appearance (25℃) | White powder |
| Molecular Weight | 348.4 g/mol |
| Melting Point | 91-94℃ |
| Absorption Peaks | 275nm, 379nm (in methanol) |
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