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Cationic ring-opening polymerization of carbazolyl-containing epoxy monomers by triphenyl carbenium salts as thermal- and photolatent initiators

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Abstract

Photoinitiated cationic polymerizations of various epoxy monomers bearing a carbazole moiety, 9-[3-(allyloxy)-2-(oxiran-2-ylmethoxy)propyl]-9H-carbazole, 9-[3-methoxy-2-(oxiran-2-ylmethoxy)propyl]-9H-carbazole, 9-[2-(oxiran-2-ylmethoxy)ethyl]-9H-carbazole, as well as a composition of 3,6-dibromo-9-(oxiran-2-ylmethyl)-9H-carbazole with 3,4-epoxycyclohexylmethyl 3,4-epoxycyclohexane carboxylate were investigated in bulk using triphenyl carbenium salts having anions such as BF4 −, SnCl5 −, and SbCl6 −. Dark polymerizations of the carbazolyl monomers in the presence of the initiators are studied. These photoinduced polymerization reactions give oligomers of degree of polymerization 4-22. The effect of the anion of the photoinitiator and polymerization time on the polymerization reaction is discussed.

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Acknowledgments

We are grateful to the Lithuanian State Science and Studies Foundation for financial support.

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Authors and Affiliations

  1. Department of Organic Technology, Kaunas University of Technology, Radvilenu plentas 19, 50254, Kaunas, Lithuania

    Ruta Lazauskaite & Juozas V. Grazulevicius

  2. Department of Organic Chemistry, Kaunas University of Technology, Kaunas, Lithuania

    Maryte Daskeviciene & Vytautas Getautis

Authors
  1. Ruta Lazauskaite
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  2. Maryte Daskeviciene
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  3. Vytautas Getautis
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  4. Juozas V. Grazulevicius
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Correspondence to Ruta Lazauskaite or Juozas V. Grazulevicius.

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Lazauskaite, R., Daskeviciene, M., Getautis, V. et al. Cationic ring-opening polymerization of carbazolyl-containing epoxy monomers by triphenyl carbenium salts as thermal- and photolatent initiators. Monatsh Chem 140, 565–571 (2009). https://doi.org/10.1007/s00706-008-0090-6

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  • DOI: https://doi.org/10.1007/s00706-008-0090-6

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