4.7 Article

Hydrogen bond complex used as visible light photoinitiating system for free radical photopolymerization: Photobleaching, water solubility

Journal

PROGRESS IN ORGANIC COATINGS
Volume 151, Issue -, Pages -

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2020.106099

Keywords

Hydrogen bond complex; Visible light photoinitiating system; Photobleaching; Water solubility

Funding

  1. National Key Research and Development Program of China [2017YFB0307800]
  2. Beijing Laboratory of Biomedical Materials

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The newly synthesized photoinitiator and hydrogen bond complex demonstrate high photoreactivity and dispersibility in visible light polymerization, making them potentially useful for photo-induced organic coatings.
A type II photoinitiator (2E,6E)-2,6-bis((1H-pyrrol-2-yl)methylene)cyclohexan-1-one(BPC) was conveniently synthesized through Claisen-Schmidt reaction. Hydrogen bond complex BFC/TEOA not only exhibits high photoreactivity on the visible light polymerization, but also shows rapid bleach, excellent dispersibility in water which could be potential for photo-induced organic coating.

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