publication . Article . 2017

Novel thermal curing of cycloaliphatic resins by thiol-epoxy click process with several multifunctional thiols

Dailyn Guzmán; Blai Mateu; Xavier Fernández-Francos; Xavier Ramis; Angels Serra;
Open Access English
  • Published: 01 Dec 2017
  • Country: Spain
Abstract
Novel thermosets were prepared by the base-catalysed reaction between a cycloaliphatic resin (ECC) and various thiol crosslinkers. 4-(N,N-Dimethylaminopyridine) (DMAP) was used as base catalyst for the thiol–epoxy reaction. A commercial tetrathiol (PETMP) and three different thiols synthesized by us, 6SH-SQ, 3SH-EU and 3SH-ISO, were tested. 6SH-SQ and 3SH-EU were prepared from vinyl or allyl compounds from renewable resources such as squalene and eugenol, respectively. Thiol 3SH-ISO was prepared starting from commercially available triallyl isocyanurate. A kinetic study of the mixtures was performed using differential scanning calorimetry. Stoichiometric ECC/thi...
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free text keywords: :Enginyeria química::Química orgànica [Àrees temàtiques de la UPC], :Enginyeria dels materials::Materials plàstics i polímers [Àrees temàtiques de la UPC], Catalysis, Thermal analysis, Epoxy resins, Cloaliphatic epoxides, Thiol-epoxy, Click, Thermosets, Eugenol, Squalene, Catàlisi, Anàlisi tèrmica, Resines epoxídiques, Polymers and Plastics, Glass transition, Differential scanning calorimetry, Polymer chemistry, Fourier transform infrared spectroscopy, Thermal stability, Epoxy, visual_art.visual_art_medium, visual_art, Allyl compound, Thermogravimetric analysis, Materials science
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