Overcoming the oxygen inhibition in the photopolymerization of acrylates: A study of the beneficial effect of triphenylphosphine
2010
Belon, C. | Allonas, X. | Croutxé-barghorn, C. | Lalevée, J.
Triphenylphosphine (TPP) was used in free-radical UV-curable resins to reduce oxygen inhibition effect. The relative influence of concentration, monomer viscosity, light intensity and sample thickness on TPP efficiency was investigated by real time infrared spectroscopy. It is shown that TPP is an effective oxygen scavenger. The mechanism was investigated by means of Laser Flash Photolysis.
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