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ADDITOL® CPK

ADDITOL® CPK (a.k.a. Photo-initiator 184) is a radical photoinitiator that can be used alone or in combination with other photoinitiators. It is used in formulations containing unsaturated materials such as acrylates, methacrylates, vinyls and unsaturated polyesters. With exposure to UV light, ADDITOL® CPK undergoes a photochemical reaction that generates radicals. These radicals will initiate polymerization through the unsaturated groups present in the system. Suggested applications for ADDITOL® CPK include: paper upgrading, wood top-coats, hard-coats for plastics, overprint varnishes, vinyl flooring, metal coatings, exterior applications, general coating applications where low yellowing is critical, and inks and pigmented coatings (in combination with other photoinitiators). CAS Number: 947-19-3

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Technical data sheet (TDS)
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Properties

Features And Benefits
Ingredient Claims
VOC-free
Solvent-free
Low VOC
BPA-free
Features
Good Compatibility
Low Temperature Curing
Faster Cycle Time
Long Potlife
Energy Efficiency
Low Flammability
Regional Availability
Asia Pacific
China
Product Characteristics
Color
White
Appearance
White crystalline

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Technical product information

Performance Highlights

ADDITOL CPK is characterized by:

• Good solubility

UV curable formulated products containing ADDITOL CPK are characterized by:

• Good surface and through cure

• Low yellowing on cure and with exterior exposure

The final properties of UV cured products also depend on the selection of other components such as oligomers, reactive diluents and additives.

Suggested Applications

ADDITOL CPK is typically used at levels of 1-5% by weight based on the reactive components of the formulation. Applications include:
• Paper upgrading
• Wood top-coats
• Hard-coats for plastics
• Overprint varnishes
• Vinyl flooring
• Metal coatings
• Exterior applications
• General coating applications where low yellowing is critical
• Inks and pigmented coatings (in combination with other
photoinitiators)

Storage and Handling

Store the material in a dry area out of direct sunlight. Prevent exposure to any UV or visible light. Keep containers closed and protect from physical damage. On extended storage, ADDITOL CPK crystalline powder may agglomerate to form solidified lumps. These can be physically broken-up into smaller pieces as needed for use. Such agglomeration does not affect product quality, though lumps of ADDITOL CPK will take longer to dissolve into solution.

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