Photoinitiator 184

Photoinitiator 184 is a kind of highly efficient free radical type non-yellowing photoinitiator, which is also one of the most commonly used initiators in UV curing systems.

Due to its excellent non-yellowing property , it can be used in the UV polymerization of monofunctive or multi-functional acrylate monomers and oligomers. It can also be used for varnish, plastic coatings, wood coatings, adhesives, lithographic printing inks, screen printing inks,flexographic printing inks, and electronic products. Even if the cured coating is exposed to sunlight for a long time, since there is no benzyl group generated during photolysis, the degree of yellowing is very low. Therefore, it is particularly suitable for coatings and inks with high requirements for low yellowing.

Its photolysis products include benzaldehyde and cyclohexanone, which may cause a certain odor after film formation. It works well in combination with TPO in surface curing systems. The yellowing of acrylic/polyurethane systems during outdoor use can be effectively reduced by adding other additives.

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