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Acridone derivatives as high performance visible light photoinitiators for cationic and radical photosensitive resins for 3D printing technology and for low migration photopolymer property

Abstract : This paper is devoted to study two acridone derivatives (A-2DPA and A-2PTz). These acridone compounds are synthesized and proposed as high performance visible light photoinitiators, in the presence of an iodonium salt or/and an amine (NPG or EDB), for both the free radical polymerization of (meth)acrylates and the cationic polymerization of epoxides upon irradiation with LED@405 nm. Excellent polymerization initiating abilities are found, and high final monomer conversions are obtained. A full picture of the involved photochemical mechanisms is provided. This paper is also concerned with the use of these acridone-based systems in new 3D printing resins. Finally, the usage of the new acridone derivatives for photopolyrners with low migration properties is particularly outlined.
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https://hal-amu.archives-ouvertes.fr/hal-02091871
Contributor : Didier Gigmes <>
Submitted on : Saturday, April 6, 2019 - 5:16:28 PM
Last modification on : Wednesday, October 14, 2020 - 3:46:52 AM

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Abdallah Mira, Huong Le, Akram Hijazi, Michael Schmitt, Bernadette Graff, et al.. Acridone derivatives as high performance visible light photoinitiators for cationic and radical photosensitive resins for 3D printing technology and for low migration photopolymer property. Polymer, Elsevier, 2018, 159, pp.47--58. ⟨10.1016/j.polymer.2018.11.021⟩. ⟨hal-02091871⟩

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