ADDITOL® DMMTA is a radical photo-initiator that can be used alone or in combination with other photo-initiators. It is used with unsaturated materials such as acrylates, methacrylates, vinyls and unsaturated polyesters. When exposed to UV light, a photochemical reaction occurs generating radicals which will initiate polymerization through the unsaturated groups present in the system.
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Technical data sheet (TDS)
Technical product information
ADDITOL® DMMTA is characterized by:
- Good solubility
- Low volatility
UV curable formulated products containing ADDITOL® DMMTA are characterized by:
- Good surface cure
- Good through cure in pigmented systems
The final properties of UV cured products also depend on the selection of other components such as oligomers, reactive diluents and additives.
ADDITOL® DMMTA is typically used at levels of 2-4% by weight based on the reactive components of the formulation. The addition of 0.2-0.4% ADDITOL® ITX can significantly improve reactivity. Applications include:
- Flexographic inks
- Offset inks
- Screen inks
- Pigmented coatings
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.
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