Fabrication of Three-Dimensional Polymer-Brush Gradients within Elastomeric Supports by Cu0-Mediated Surface-Initiated ATRP Abstract: Cu0-mediated surface-initiated ATRP (Cu0 SI-ATRP) emerges as a versatile, oxygen-tolerant process to functionalize three-dimensional (3D), microporous supports forming single and multiple polymer-brush […]
New dmso-ruthenium catalysts bearing N-heterocyclic carbene ligands for the ring-opening metathesis of norbornene Abstract: Novel dimethyl sulfoxide ruthenium(ii) complexes of N-heterocyclic carbenes [RuCl2(S-dmso)(2)(SIMes)] (1), [RuCl2(S-dmso)(2)(IMes)], (2) [RuCl2(S-dmso)(2)(SIDip)] (3), and [RuCl2(S-dmso)(2)(IDip)] (4) were successfully synthesized. The complexes […]
Titanium dioxide nanotubes addition to self-adhesive resin cement: Effect on physical and biological properties Objectives. This study has investigated the influence of Titanium dioxide nanotubes (TiO2-nt) addition to self-adhesive resin cement on the degree of […]
High-performance energy storage of poly (o-methoxyaniline) film using an ionic liquid as electrolyte Abstract: Different materials have been proposed as active electrode in electrochemical capacitors, including conducting polymers. Among them, several papers describe the use of […]
Pristine carbon nitride as active material for high-performance metal-free supercapacitors: simple, easy and cheap Abstract: Understanding the basic properties of pristine carbon nitride electrodes is of great importance for their further applications as supercapacitor materials. To […]
Nanocomposites of polyethylene/polyaniline/graphite with special morphology Abstract: Nanofillers of polyaniline nanofibers (PANI) with graphite oxide (GO) or reduced graphite oxide (rGO) were synthesized and characterized. Four samples of PANI/graphite with 10% and 30% of GO or […]
Atom transfer radical polymerization by [RuCl2(PPh3)2(amine)] catalysts: Cyclic amines as tuner of reactivity Abstract: Atom transfer radical polymerizations (ATRP) of styrene (St) and methyl methacrylate (MMA) mediated by [RuCl2(PPh3)2(amine)] complexes, with amine = pyrrolidine (1), piperidine (2), or […]
Writers: Patricia Borim and Benedito S. Lima-Neto and Beatriz E. Goi and Valdemiro P. Carvalho Jr. Keywords: Ruthenium; dmso; ATRP; ROMP; Norbornene; Methyl methacrylate Abstract: The catalytic activity of the five-coordinated [RuCl2(PPh3)(S-dmso)2] complex was investigated for ring-opening […]
Writers: Alessandra Alves Correa; Roger Gonçalves; Rodrigo Pereira; Ernesto Chaves Pereira Keywords: conducting polymers; electrochemistry; properties and characterization Abstract: The effect of the electropolymerization of seven poly(3-methylthiophene) (P3MT) films in the same used monomer solution have been investigated. […]
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