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April 26, 2010Journal of Polymer Science Part A Polymer Chemistry

Overcoming the oxygen inhibition in the photopolymerization of acrylates: A study of the beneficial effect of triphenylphosphine

Cindy Belon Xavier Allonas Céline Croutxé‐Barghorn Jacques Lalevée

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Abstract

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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synapsesocial.com/papers/6a8020a3cf96de1eb9c86653 https://doi.org/10.1002/pola.24017

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