1,721,476 research outputs found
In situ synthesis of Ag-acrylic nanocomposites: tomography-based percolation model, irreversible photoinduced electromigration and reversible electromigration
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Visible Light Induced Cationic Polymerization of Epoxides by Using Multiwalled Carbon Nanotubes
Full text linkThe visible light induced cationic polymerization of epoxides can be achieved by means of multiwalled carbon nanotubes (MWCNTs), which act as visible light photoinitiators via a radical-induced cationic photopolymerization process. When MWCNTs are irradiated with longer wavelengths (above 400 nm), they generate carbon radicals, by means of hydrogen abstraction from the epoxy monomer; these radicals are oxidized in the presence of iodonium salt to a carbocation that is sufficiently reactive to start the cationic ring-opening polymerization of an epoxy monomer. These mechanisms have been supported by electron paramagnetic resonance analysis.Fil: Sangermano, Marco. Politecnico di Torino; ItaliaFil: Rodriguez, Damian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaFil: Gonzalez, Monica Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaFil: Laurenti, Enzo. Università di Torino; ItaliaFil: Yagci, Yusuf. Istanbul Technical University; Turquí
synthesis and cationic photopolymerization of oligomers bearing terminal and internal enol ether groups
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