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Updated: Dec 25, 2025

Atom Transfer Radical Polymerization of Functionalized Vinyl Monomers Using Perylene as a Visible Light Photocatalyst
Published on: April 22, 2016
A New Phosphine for Efficient Free Radical Polymerization under Air
Julie Kirschner1, Jean-Michel Becht1, Joachim E Klee2
1Institut de Sciences des Matériaux de Mulhouse (IS2M), UMR CNRS 7361, University of Haute-Alsace, 15 rue Jean Starcky, Mulhouse Cedex, 68057, France.
Abstract:
A new phosphine is proposed as efficient coinitiator for camphorquinone (CQ)-based photoinitiating systems for the free radical polymerization of (meth)acrylates. Remarkably, this new co-initiator can exhibit two functionalities: a phosphine moiety to overcome oxygen inhibition and an iodonium salt moiety as counter cation to initiate the polymerization process. Excellent polymerization performances in the presence of CQ for the free radical polymerization of methacrylates under blue light are observed, and amine-free systems can be easily developed from the proposed structure. The photopolymerization of composites is also investigated in the presence of the new phosphine (without iodonium counter cation) and very interesting depth of cure can be obtained from the new developed photoinitiating system after only 20 s of irradiation with a blue light-emitting diode.
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