Hangzhou Leap Chem Co., Ltd. is one of the most professional manufacturers and suppliers of 2,2-dimethoxy-2-phenylacetophenone丨cas 24650-42-8 in China. Welcome to wholesale bulk high quality chemical products at competitive price from our factory. If you have any enquiry about custom service, please feel free to email us.
Specifications
|
Appearance: |
White crystalline powder |
|
Purity: |
99.5% min |
|
Melting point: |
64.0°C to 67.0°C |
|
Loss on drying: |
0.5% max |
|
Water content: |
0.5% max |
|
Residue on ignition: |
0.1% max |
|
Transmittance: |
|
|
425 nm |
95% min |
|
450 nm |
96% min |
|
500 nm |
98% min |
Applications of 2,2-Dimethoxy-2-phenylacetophenone丨CAS 24650-42-8
1. Photopolymerization
● 2,2-Dimethoxy-2-phenylacetophenone丨CAS 24650-42-8 is widely used as a photoinitiator in UV-initiated polymerization processes, especially for:
o Acrylics
o Methacrylates
o Epoxy resins
● Upon UV exposure, it cleaves homolytically to generate free radicals that initiate polymerization
● Commonly used in:
o Coatings and varnishes
o 3D printing resins (stereolithography, digital light processing)
o Adhesives and sealants
o Dental materials (resins and composites)
2. Printing and Coating Industry
● Used in UV-curable inks and coatings due to its rapid initiation and efficient polymerization
● Enables fast curing and formation of tough, durable films
● Helps reduce solvent emissions by supporting 100% solids UV-curable systems
3. Microelectronics and Optical Materials
● Applied in photoresist formulations for microfabrication and lithography
● Supports fabrication of microfluidic devices and optical waveguides
4. Biomedical Applications
● Utilized in the preparation of biocompatible hydrogels and photo-crosslinked scaffolds for tissue engineering
● Allows spatial and temporal control of polymerization under mild conditions, preserving bioactivity of sensitive molecules
5. Research and Development
● Popular in laboratory synthesis for controlled radical polymerization
● Used in developing functional polymers and nanocomposites with tailored properties
Benefits
1. Efficient Radical Generation
● DMPAP efficiently produces free radicals upon UV light exposure (typically 320-400 nm), allowing fast and controlled polymerization
2. Low Yellowing and High Transparency
● Compared to some photoinitiators, it imparts minimal coloration in cured materials, important for optical clarity and aesthetics
3. Versatility
● Compatible with a wide range of monomers and polymer systems
● Effective in both thin films and bulk polymerizations
4. Mild Processing Conditions
● Enables room temperature curing without the need for thermal initiators, protecting heat-sensitive substrates and additives
Conclusion
2,2-Dimethoxy-2-phenylacetophenone丨CAS 24650-42-8 is a highly effective type I photoinitiator widely used in UV-curing technologies for coatings, adhesives, 3D printing, and biomedical applications. Its ability to rapidly generate radicals under UV light, combined with low yellowing effects and versatility across polymer systems, makes it a valuable chemical in both industrial and research settings focused on advanced polymer materials and sustainable curing processes.
