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Thermally Promoted Elimination and Substitution Reactions in Poly(p-arylene vinylene) Precursor Polyelectrolytes
(American Chemical Society, 2000-06)
The thermal conversion of dialkylsulfonium polyelectrolyte precursor polymers 1b-e to poly(p-arylene vinylene)s was studied by direct pyrolysis mass spectrometry in order to elucidate the mechanism of the sulfonium elimination ...
Polymer Modified Bitumen: Optimization and Selection
(Elsevier Ltd, 2014-10-01)
Polymer modification of bitumen has been commonly performed since the 1980s in order to decrease bitumen (and pavement) susceptibility to high and low temperatures, allowing reduction in common failure mechanisms as rutting ...
High molecular weight polymers: Supercritical solvents as blend demixing and grafting reaction medium
(Nova Science Publishers, 2014)
Near and supercritical fluids offer very interesting alternatives for separation processes, reaction medium and in the synthesis of new materials. Particularly, the applications of supercritical fluids (SCF) in the polymer ...
Diffusion kinetics at liquid-glassy polymer interphases
(Wiley VCH Verlag, 2005-04)
We explored the diffusion mechanisms in a series of liquid/glassy polymer interphases. The diffusion experiments were performed in a unique way: the temperature range studied encompassed the glass transition temperature ...
Functional water-soluble polymers: polymer-metal ion removal and biocide propertiesPOLYMER INTERNATIONALPOLYM INT
(JOHN WILEY & SONS LTDA., 2009)
3D Nanostructured Conjugated Polymers for Optical Applications
(Wiley VCH Verlag, 2015-11)
The self assembly of block-copolymers into the gyroid morphology is replicated into 3D nanostructured conjugated polymers. Voided styrenic gyroidal networks are used as scaffolds for the electrodeposition of two ...
Liquid-glassy polymer diffusion: Effects of liquid molecular weight and temperature
(Wiley VCH Verlag, 2007-05)
We examine mechanistic aspects of the diffusion between a series of liquid polystyrenes (PS) and a glassy poly(phenylene oxide) (PPO) matrix, through the use of confocal Raman microspectroscopy. The results show that the ...
Self-healable polymer networks based on the cross-linking of epoxidised soybean oil by an aqueous citric acid solution
(Royal Society Of Chemistry, 2013-09-09)
Epoxidised soybean oil (ESO) was cross-linked with an aqueous citric acid (CA) solution without the addition of any other catalyst or solvent. Completely bio-based polymer networks were generated. The initial system was ...