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Application: Mainly suitable for UV curing system of acrylic monomers and oligomers. It is mainly used in UV systems such as offset printing, flexo printing, silk screen printing, adhesives, and electronic circuit board inks. This product has a synergistic effect with active amine initiators.
Contact UsDescription
CAS#: 90-93-7
Chemical name: 4,4'-Bis(diethylamino) benzophenone
Lencolo 5038 is a new high-efficiency photoinitiator, mainly suitable for UV curing system of acrylic monomers and oligomers. It is mainly used in UV systems such as offset printing, flexo printing, silk screen printing, adhesives, and electronic circuit board inks. This product has a synergistic effect with active amine initiators.
Chemical & physical data
| Molecular formula | C21H28N2O |
|---|---|
| Molecule weight(g/mol) | 324.5 |
| Ingredients | Tetraethyl Michler's Ketone |
| Appearance | Light yellow crystals |
| Melting point(ºC) | 93-95 |
| Purity (%) | ≥99 |
| Volatile content(%) | ≤0.5 |
| Ash content(%) | ≤0.1 |
| Absorption peak(nm) | 248、374 |
Application
Mainly suitable for UV curing system of acrylic monomers and oligomers. It is mainly used in UV systems such as offset printing, flexo printing, silk screen printing, adhesives, and electronic circuit board inks. This product has a synergistic effect with active amine initiators.
Usage method
| Solubility (20 C, g/100g) | ||||||
|---|---|---|---|---|---|---|
| Solvent or monomer: | Acetone | Toluene | Ethyl Ester | HDDA | TMPTA | TPGDA |
| Solubility | ≥50 | ≥50 | ≥50 | ≥50 | 40 | 43 |
Addition amount: Film thickness 5-20mm 2-4%, Film thickness 2-200mm 2-6%
Users are advised to conduct experiments to determine the optimal dosage before use.
Storage, shelf time and Packing
To prevent the product from polymerization and gelling, please keep it sealed and away from heat and light. Recommended storage temperature is not higher than 30°C. Unused products must be sealed and stored in a timely manner and cannot be stored in the open. Safe storage time is 6 months at room temperature( 25ºC) and under ventilation. 20KG/bag
Tips: Lencolo 5038 Synergistic with reactive amine initiators.
Note: Technical data represents typical values only. In view of the differences in formulas, production process, conditions, all the above statements must be adjusted according to the actual situation, our company does not make any promises. Our company reserves the right to reform its products without prior notice of any changes.