Jump to main content
Jump to site search

Issue 31, 2014
Previous Article Next Article

The 1,3-bis(dicyanomethylidene)indane skeleton as a (photo) initiator in thermal ring opening polymerization at RT and radical or cationic photopolymerization

Author affiliations

Abstract

1,3-Bis(dicyanomethylidene)indane is presented as a new initiator for ring opening polymerization of epoxides at RT. This compound behaves as a strong acid (AH) with an associated basic form (A) that does not inhibit the propagation of the cationic polymerization. Remarkably, A is characterized by a strong visible light absorption and can also photosensitize iodonium salt decomposition. A new iodonium salt based on A as a counter-anion is proposed. This latter compound exhibits unusual properties: (i) excellent absorption in the 300–700 nm wavelength range and (ii) a free radical initiating ability for λ > 300 nm. The chemical mechanisms are investigated by ESR, fluorescence and steady state photolysis experiments.

Graphical abstract: The 1,3-bis(dicyanomethylidene)indane skeleton as a (photo) initiator in thermal ring opening polymerization at RT and radical or cationic photopolymerization

Back to tab navigation

Supplementary files

Publication details

The article was received on 08 Jun 2013, accepted on 24 Mar 2014 and first published on 25 Mar 2014


Article type: Paper
DOI: 10.1039/C3RA42819B
RSC Adv., 2014,4, 15930-15936

  •   Request permissions

    The 1,3-bis(dicyanomethylidene)indane skeleton as a (photo) initiator in thermal ring opening polymerization at RT and radical or cationic photopolymerization

    S. Telitel, F. Dumur, T. Kavalli, B. Graff, F. Morlet-Savary, D. Gigmes, J. Fouassier and J. Lalevée, RSC Adv., 2014, 4, 15930
    DOI: 10.1039/C3RA42819B

Search articles by author

Spotlight

Advertisements