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Erschienen in: Polymer Bulletin 2/2012

01.01.2012 | Original Paper

Household LED irradiation under air: cationic polymerization using iridium or ruthenium complex photocatalysts

verfasst von: Jacques Lalevée, Nicolas Blanchard, Mohamad-Ali Tehfe, Mathieu Peter, Fabrice Morlet-Savary, Jean Pierre Fouassier

Erschienen in: Polymer Bulletin | Ausgabe 2/2012

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Abstract

Household LED bulbs are used to promote the ring-opening photopolymerization of epoxides in the presence of a photocatalyst (here tris(2-phenylpyridine)iridium [Ir(ppy)3] or tris(1,10-phenanthroline)ruthenium(II) [Ru(phen) 3 2+ ] complex) and a silyl radical source. Remarkably, even under this very soft irradiation (light intensity lower than 10 mW/cm²), excellent polymerization profiles are obtained i.e., this is the first reported use of such very convenient irradiation devices for photopolymerization processes. The role of the silane and other hydrogen donors is outlined.

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Metadaten
Titel
Household LED irradiation under air: cationic polymerization using iridium or ruthenium complex photocatalysts
verfasst von
Jacques Lalevée
Nicolas Blanchard
Mohamad-Ali Tehfe
Mathieu Peter
Fabrice Morlet-Savary
Jean Pierre Fouassier
Publikationsdatum
01.01.2012
Verlag
Springer-Verlag
Erschienen in
Polymer Bulletin / Ausgabe 2/2012
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-011-0541-9

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