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Highly efficient acylphosphine oxide photoinitiator with exceptional reactivity under UV-A and visible light (365–405 nm).
Excellent surface cure performance, even in oxygen-inhibited environments.
Low yellowing tendency and superior long-term stability in formulated systems.
Good solubility in common reactive diluents and oligomers, including acrylates and methacrylates.
Enables fast through-cure in thick-section and pigmented coatings without compromising depth of cure.
UV-curable inkjet inks for industrial and decorative printing.
Pigmented and white UV-curable coatings for wood, plastic, and metal substrates.
3D printing resins (SLA and DLP) requiring high resolution and mechanical robustness.
Adhesives and encapsulants for electronics and optical bonding applications.
| Chemical Type | Acylphosphine oxide |
| Product Form | Free-flowing crystalline powder |
| Appearance | White to off-white crystalline solid |
| Molecular Weight | 348.3 g/mol |
| UV Absorption Maximum (λmax) | ≈380 nm (in ethanol) |
| Primary Applications | Free-radical polymerization of acrylates and methacrylates |
| Key Features | Visible-light initiation, low migration, high reactivity |
| Storage Conditions | Store below 25°C in original sealed container, protected from light and moisture |
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E-mail: wangxingqiang@ericwchem.com
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