Product
Photoinitiator TPO
Chemical name
Diphenyl (2,4,6-trimethylbenzoyl)- phosphine oxide
Molecular formula
C22H21O2P
CAS No.
75980-60-8
Structure formula
Quality indicators
Appearance
light yellow powder
Assay (GC)
99.0%
Melting point
91-95℃
Molecular Weight
348.4
Ash
≤0.1%
Loss on drying
≤0.2%
Acid Value
≤0.5 mg KOH/g
Application
PI-TPO is an effective photoinitiator for UV-curable based coatings, adhesives, inks and printing plates. It is typically consumed in unsaturated polyester acrylate based systems in concentrations ranging from 1% to 4% by weight.PI-TPO offers the advantage of good shelf stability, and fast and thorough cure of coatings. It is compatible with unsaturated polyesters, acrylate monomers and oligomers for use in UV-curable systems.
Storage and packing
This product should be sealed and stored in a closed, dry, dark place and avoid sunlight. 20 kg cardboard or 30 cardboards each pallet.
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