Photoinitiator PBZ / SpeedCure PBZ / CAS 2128-93-0

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Key Uses

• UV Curing: 4-Phenylbenzophenone is a classic photoinitiator used in UV curing inks, coatings, and adhesives. It efficiently absorbs UV light and initiates polymerization reactions, leading to rapid curing.
• Plastics and Polymers: This compound is used as a stabilizer in plastics and polymers to prevent discoloration and degradation caused by exposure to light.
• Perfumery: 4-Phenylbenzophenone is used as a fixative in perfumes to enhance the longevity of fragrance notes.
• Research and Development: It serves as a starting material for the synthesis of various organic compounds and as a standard in analytical chemistry.

Key Characteristics

• Photoinitiator Properties: 4-Phenylbenzophenone efficiently absorbs UV light and generates free radicals, initiating polymerization reactions.
• Thermal Stability: It exhibits good thermal stability, allowing for processing at elevated temperatures.
• Solubility: It is soluble in common organic solvents, making it easy to incorporate into various formulations.
• UV Absorption: It has a strong UV absorption band, making it highly effective in UV curing applications.