CHLUMINIT® 550 / Omnicat 550 CAS 591773-92-1

10-(4-biphenyl) -2-isopropyl thiotonone -10-sulfonium hexafluorophosphate

Product Code: CH-SS055
CAS Number: 591773-92-1
Absorption peak: 296

Application field
This compound is mainly used as a photoinitiator in the field of chemistry, especially in UV-curable coatings and adhesives.

Description

Molecular formula ‌ : C28H23F6OPS
Molecular weight ‌ : 552.51‌
Physical and chemical properties
Exact mass ‌ : 552.11100
LogP‌ : 10.49920
Storage conditions ‌ : Room temperature, dry ‌

Specification:

Appearance Yellow crystal powder
Purity ≥98%
Melting point 202-210℃
Volatile Matter ≤0.5%

 

Application Areas:

Particularly suitable for cationic printing inks and varnish systems with extremely high performance and safety requirements, such as tank coatings, coil coatings, and pharmaceutical packaging.

Key Features:

1. High reactivity: High photoinitiation efficiency and rapid curing speed.

2. High quality: Cured coatings exhibit a dry surface, no yellowing, no migration, and a clear appearance.

3. Enhanced Safety: Odorless formulation, particularly suitable for packaging applications with stringent hygiene and odor requirements.

4. Modern Compatibility: Compatible with 365nm LED light sources, supporting eco-friendly and energy-efficient curing processes.

Recommended Applications:

1. Printing inks for food and pharmaceutical packaging
2. Interior coatings for metal cans
3. Coil coatings
4. Other high-performance varnish systems

Package:

1KG/BAG

Storage:

Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.

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Photoinitiator 550 Application scenarios

1. UV-Curing Coatings:

Used in the preparation of wear-resistant and chemically resistant UV-curing coatings for substrates such as metals, plastics, and wood. Examples include protective coatings for metal surfaces, decorative coatings for plastic parts, and coating materials for optical fibers. These coatings cure rapidly to form high-strength cross-linked films.

2. UV-Curing Adhesives:

Suitable for UV-curing bonding of optical components, electronic components, and glass products. Applications include bonding of optical glass lenses and adhesives for electronic component packaging. The cured adhesives exhibit excellent bonding strength and environmental resistance.

3. Electronic Materials Manufacturing:

Used in the preparation of electronic materials such as photoresists, optical waveguide materials, and solder masks for printed circuit boards (PCBs). UV irradiation initiates cationic polymerization reactions, enabling the curing and shaping of fine patterns.

4. Composite Materials Processing:

Used as photoinitiators in the resin matrix of composite materials, for the preparation of fiber-reinforced composites such as carbon fiber and glass fiber reinforced epoxy composites, improving curing efficiency and overall mechanical properties.

5. Inks and Printing:

Used in UV-curing inks, such as UV inks for packaging printing and screen printing inks. This allows for rapid drying, increasing printing efficiency, and the cured ink layer exhibits excellent abrasion and solvent resistance.

6. 3D Printing Materials:

Used in cationic photocurable 3D printing resin systems, promoting rapid cross-linking and curing of the resin under UV light. Suitable for the preparation of high-precision, high-performance 3D printed products, such as precision parts and models.

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