Photoinitiator MBP Application scenarios
1. UV-Curable Coatings and Inks
· Inks: Offset printing inks, flexographic printing inks, screen printing inks, lithographic printing inks.
This represents MBP’s core application area. Enables rapid curing to enhance production efficiency.
· Coatings: Wood coatings, plastic coatings, industrial coatings, overprint varnishes (gloss varnishes).
Provides surface protection for substrates including paper, wood, metal, and plastic.
· Electronic Materials: Specialized coatings or encapsulation materials for electronics.
Requires specific curing performance and material stability.
2. Adhesives
UV-curable adhesives.
Suitable for applications requiring rapid bonding and fixation.
3. Other Functional Applications
· UV Absorbers: Used in products requiring UV aging resistance.
Leverage their UV-absorbing properties for stabilization and protection.
· Pharmaceutical intermediates: Chemical raw materials for synthesizing certain drugs.
Classified under fine chemical applications.
Technical Characteristics and Usage Points
· Mechanism of Action:
MBP is a Type II photoinitiator incapable of directly generating free radicals. It absorbs UV light (maximum absorption wavelength ~259 nm) and extracts hydrogen atoms from co-added amine synergists (e.g., tertiary amines) to generate polymerization-initiating free radicals.
·Recommended Dosage:
The suggested addition rate in formulations is generally 0.5%–5% by total weight.
·Key Advantages:
Highly reactive, providing excellent surface curing performance with minimal yellowing after cure. Suitable for transparent or colored systems with stringent color requirements.





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