What is 4,4′-Bis(diethylamino) benzophenone with CAS 90-93-7?
4,4′-Bis(diethylamino) benzophenone (CAS 90-93-7), also known as EMK Photoinitiator or Photoinitiator EMK, is a highly efficient ultraviolet (UV) photoinitiator. It is widely applied in UV-curable systems, including coatings, inks, adhesives, and electronics materials, offering excellent curing efficiency and stability for industrial-scale production.
Spécification
| ARTICLE |
STANDARD |
| Apparence |
Blanc ou jaune clair poudre |
| La pureté (%en poids, GC) |
≥99.5 |
| Humidité (%en poids, K. F.) |
≤0. 5 |
| Insolubles(%) |
≤0.05 |
Key Features
Strong UV absorption and high initiation efficiency.
Fast curing speed, improving production efficiency.
Stable performance under large-scale industrial use.
Compatible with acrylates and other UV-curable resin systems.
Main Applications
-
UV-Curable Coatings: Enhances hardness, gloss, scratch resistance, and durability of surfaces in wood coatings, plastic coatings, and industrial protective coatings.
-
UV-Curable Printing Inks: Provides rapid drying, high adhesion, and color stability for various printing processes, including offset, screen, and flexographic printing.

Package
25KG/bag
