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Application: It is suitable for low-odor light-curing systems, and can be used in the field of odorless and non-toxic packaging for paper and food packaging.
Contact UsDescription
CAS#: 134-85-0
Chemical name: (CBP) 4-Chlorobenzophenone
Lencolo 5039 is a free radical (II) type solid photoinitiator with low residual odor. The initiation efficiency is generally low when used alone, and it is often used in combination with other low-odor initiators, such as TPO initiator It can effectively improve the curing efficiency and can be used in the field of odorless and non-toxic packaging for paper and food packaging.
Chemical & physical data
| Molecular formula | C13H9ClO |
|---|---|
| Molecule weight(g/mol) | 216.66 |
| Ingredients | 4-Chlorobenzophenone |
| Appearance | White flaky solid |
| Melting point(ºC) | 93-96 |
| Purity (%) | ≥99 |
| Volatile content(%) | ≤0.5 |
| Ash content(%) | ≤0.1 |
| Absorption peak(nm) | 204、258 |
Application
It is suitable for low-odor light-curing systems, and can be used in the field of odorless and non-toxic packaging for paper and food packaging.
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 5039 low odor, suitable for use in low odor curing systems.
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.