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High-Efficiency Curing, Low Yellowing – 2,4,6-Trimethylbenzoyldiphenylphosphine oxide, Leading the New Era of UV Curing

Product Overview

2,4,6-Trimethylbenzoyldiphenylphosphine oxide is a high-performance Type I radical photoinitiator. With its broad-spectrum absorption, rapid curing, and low-yellowing properties, it has become the ideal choice for UV curing applications.
Key Advantages
Ultra-Fast Curing & Deep Penetration: Absorption peak ranges from 350-400nm, extending to 420nm. Suitable for thick films and TiO₂-containing white systems, ensuring thorough curing.
Yellowing Resistance: Maintains long-lasting transparency, perfect for varnishes, high-end packaging, and color-sensitive products.
Low Odor & Safety: Low volatility meets strict requirements for food packaging and medical materials.
Excellent Compatibility: Works seamlessly with acrylates, unsaturated polyesters, etc., and can be combined with other initiators (e.g., α-hydroxy ketones) for enhanced efficiency.
Diverse Applications
Coatings: Wood, metal, plastic, and optical fiber coatings for fast, uniform curing.
Inks: Screen, lithographic, flexographic, and UV inkjet printing for improved quality and speed.
Adhesives: High-strength bonding for plastics, glass, and metals.


Post time: Mar-14-2025