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Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide
Our Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide is a high-performance Type I free radical photoinitiator that significantly enhances UV curing processes. It is specifically engineered for demanding applications, offering exceptional performance in challenging formulations and substrates.
- Benefit from the enhanced curing performance in pigmented formulations, a key advantage when using photoinitiator 819 UV curing.
- Achieve excellent deep-curing in thick-film applications, a critical factor for durable coatings as demonstrated by irgacure 819 thick film applications.
- Ensure minimal yellowing and great UV yellowing resistance, making it ideal for applications requiring long-term aesthetics, as seen with best photoinitiator for outdoor UV coatings.
- Leverage its broad absorption spectrum, including visible light, for efficient curing even in opaque or colored systems, as highlighted by UV curable ink photoinitiator.
Product Advantages
Broad Spectrum Absorption
This photoinitiator offers strong absorption in the UV and near-visible light regions, providing flexibility for various light sources and formulations. Its capability to absorb at longer wavelengths is crucial for achieving efficient curing, as noted in discussions around free radical photoinitiator for plastics.
Excellent for Pigmented Systems
It performs exceptionally well in formulations containing high concentrations of pigments, such as titanium dioxide or colored pigments, ensuring thorough curing where other photoinitiators might fail. This makes it a top choice for best photoinitiator for outdoor UV coatings.
High Curing Speed & Efficiency
Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide provides a fast curing speed and high initiating activity, contributing to efficient production processes. Its effectiveness is a key reason for its demand among photoinitiator 819 UV curing users.
Key Applications
UV Curable Coatings
Widely used in clear and pigmented UV coatings for wood, metal, and plastic substrates, offering excellent adhesion and durability, aligning with the needs of UV curable coatings users.
Printing Inks
Ideal for UV-curable printing inks, providing fast curing and good print quality, essential for high-volume printing operations that rely on printing inks.
Adhesives and Prepregs
Effective in UV-curable adhesive formulations and prepreg systems for industries like aerospace and electronics, where strong bonds and rapid curing are vital, supporting the use of adhesives and prepregs.
Plastic and Electronic Applications
Its performance in pigmented formulations and suitability for outdoor applications makes it a preferred choice for electronic device housings and automotive coatings, as discussed by photoinitiator 819 suppliers.