Document Detail


Light-Harvesting Organic Photoinitiators of Polymerization.
MedLine Citation:
PMID:  23203563     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Two new photoinitiators with unprecedented light absorption properties are proposed on the basis of a suitable truxene skeleton where several UV photoinitiators PI units such as benzophenone and thioxanthone are introduced at the periphery and whose molecular orbitals MO can be coupled with those of the PI units: a red-shifted absorption and a strong increase of the molecular extinction coefficients (by a ≈ 20-1000 fold factor) are found. These compounds are highly efficient light-harvesting photoinitiators. The scope and practicality of these photoinitiators of polymerization can be dramatically expanded, that is, both radical and cationic polymerization processes are accessible upon very soft irradiation conditions (halogen lamp, LED…︁) thanks to the unique light absorption properties of the new proposed structures.
Authors:
Jacques Lalevée; Mohamad-Ali Tehfe; Frédéric Dumur; Didier Gigmes; Bernadette Graff; Fabrice Morlet-Savary; Jean-Pierre Fouassier
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-2
Journal Detail:
Title:  Macromolecular rapid communications     Volume:  -     ISSN:  1521-3927     ISO Abbreviation:  Macromol Rapid Commun     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9888239     Medline TA:  Macromol Rapid Commun     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Affiliation:
Institut de Science des Matériaux de Mulhouse, IS2M-LRC CNRS 7228-ENSCMu-UHA; 15, rue Jean Starcky, 68057 Mulhouse Cedex, France. jacques.lalevee@uha.fr.
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