Exploració per tema "Nanocompòsits (Materials)"
Ara es mostren els items 70-89 de 119
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Nanocharacterization techniques for investigating the durability of wood coatings
(2012-03)
Article
Accés restringit per política de l'editorialNanocharacterization techniques such as nanoindentation and atomic force microscopy were used to investigate the exterior durability of waterborne coatings improved with inorganic nanosized UV-absorbers. Nanocomposite ... -
Nanoclay effect into the biodegradation and processability of poly(lactic acid) nanocomposites for food packaging
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-16)
Article
Accés obertOne of the most promising expectations in the design of new materials for food packaging is focused on the development of biodegradable systems with improved barrier character. In this sense PLA reinforced with nanoclay ... -
Nanocomposite development for cesium and uranyl remediation
(Universitat Politècnica de Catalunya, 2017-06-16)
Projecte Final de Màster Oficial
Accés obertEl Cesio es un radionúclido con un tiempo de vida media de 30,2 años (isótopo 137Cs). La presencia no deseada de este radionúclido (Fukushima, Flix) hace importante el desarrollo de nuevas tecnologías de remediación. Se ... -
Nanocomposites based on chain extended poly(l-lactic acid)/carboxylated carbon nanotubes: crystallization kinetics and lamellar morphology
(2019-06-01)
Article
Accés obertIsothermal and nonisothermal crystallization kinetics of poly(l-lactide) and its nanocomposites with different multiwalled carbon nanotubes (i.e., pristine and functionalized) were investigated. The effects of chain extension ... -
Nanocomposites of in-situ polymerized cyclic butylene terephthalate and polyhedral oligomeric silsesquioaxanes
(2010-05-03)
Text en actes de congrés
Accés obertNanocomposites were prepared by in-situ polymerization of CBT®, a cyclic form of poly(butylene terephthalate) (PBT) and polyhedral oligomeric silsesquioxane (POSS®) with 2.5, 5 and 10 wt% POSS content. Three different types ... -
Nanocomposites of microbial polyglutamic acid and nanoclays compatibilized by organophosphonium surfactants
(2018-01-01)
Article
Accés obertIonic coupling of bacterial poly(¿-glutamic acid) (PGGA) with alkyltrimethylphosphonium surfactants is reported to render comb-like PGGA complexes with a biphasic-layered structure displaying periodicity at the nanoscopic ... -
Nanocomposites of new biodegradable poliesters and polyesteramides
(2011-03-16)
Article
Accés obertPolymers are easily prepared by bulk polycondensation based on metal-halide salt formation, while crystallization is strongly influenced by incorporation and distribution of silicate nanoparticles. -
Nanoindentation and fracture toughness of nanostructured zirconia/multi-walled carbon nanotube composites
(2015-03-01)
Article
Accés obertMulti-walled carbon nanotubes (MWCNTs)/3 mol% yttria-doped tetragonal zirconia (3Y-TZP) composites were produced using spark plasma sintering (SPS) with MWCNT content ranging within 0-2 wt%. In the present paper, it was ... -
Novel magnetic nanocomposite of calcium alginate carrying poly(pyrimidine-thiophene-amide) as a novel green synthesized polyamide for adsorption study of neodymium, terbium, and dysprosium rare-earth ions
(Elsevier, 2020-10-20)
Article
Accés obertIn this paper, a novel polyamide containing pyrimidine and methine thiophene linkages (poly(pyrimidine-thiophene-amide) (P(P-T-A))) was synthesized. Then, the magnetic calcium alginate nanocomposite containing P(P-T-A) ... -
Obtaining of a PET-CaF2 hybrid multifilament: non-isothermal crystallization studies
(Elsevier, 2020-02)
Article
Accés obertPoly(ethylene terephthalate) (PET) has been mixed with fluorite (CaF2) particles to obtain micro- and nanocomposites aiming to obtain a hybrid multifilament. In first term, the use of two montanic waxes and an amide wax ... -
Obtaining of a PET/SiC hybrid multifilament: non-isothermal crystallization studies
(2020-11-04)
Article
Accés obertThermal processing properties are a key factor in the industrial processing industry. The obtaining of a PET-based hybrid composite multifilament with textile properties (yarns) is presented. The system is composed by ... -
Orientation of polylactic acid–chitin nanocomposite films via combined calendering and uniaxial drawing: Effect on structure, mechanical, and thermal properties
(2021-12-06)
Article
Accés obertThe orientation of polymer composites is one way to increase the mechanical properties of the material in a desired direction. In this study, the aim was to orient chitin nanocrystal (ChNC)-reinforced poly(lactic acid) ... -
PBAT/TPS composite films reinforced with starch nanoparticles produced by ultrasound
(2017)
Article
Accés obertThe objective of the present work was to study the incorporation of starch nanoparticles (SNP) produced by ultrasound in blends of poly(butylene adipate-co-terephthalate) (PBAT) and thermoplastic starch (TPS). The films ... -
Phase-selective conductivity enhancement and cooperativity length in PLLA/TPU nanocomposite blends with carboxylated carbon nanotubes
(Elsevier, 2020-03-16)
Article
Accés obertTransmission electron microscopy, temperature-modulated differential scanning calorimetry, and broadband dielectric spectroscopy were employed to characterize ternary nanocomposites consisting of carboxylated carbon nanotubes ... -
Poly (ester amide) nanocomposites by in situ polymerization: kinetic studies on polycondensation and crystallization
(Universitat Politècnica de Catalunya, 2011-06)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorPreparation of nanocomposites by in situ polymerization of sodium chloroacetylaminohexanoate in the presence of C20A or C30B organo-modified montmorillonites was studied. Both clays rendered an intercalated structure that ... -
Polymer-metal nanocomposites containing dual-function metal nanoparticles: ion-exchange materials modified with catalytically-active and bactericide silver nanoparticles
(2014-04-03)
Article
Accés restringit per política de l'editorialThis work reports the results obtained by the development of two types of nanocomposite membranes containing metal nanoparticles prepared by applying the Intermatrix Synthesis technique for the synthesis of silver nanoparticles ... -
Polymer-stabilized palladium nanoparticles for catalytic membranes: ad hoc polymer fabrication
(2011-06-01)
Article
Accés obertMetal nanoparticles are known as highly effective catalysts although their immobilization on solid supports is frequently required to prevent aggregation and to facilitate the catalyst application, recovery, and reuse. ... -
Polymer/reduced graphene oxide/lignosulfonate nanocomposite films as pseudocapacitor cathodes
(American Chemical Society, 2022-03-01)
Article
Accés obertRobust and electrochemically stable electrodes are critical for emerging energy storage devices. In this work, we describe the synthesis and characterization of an asymmetric pseudocapacitor with a P(nBA-stat-BzMA)/reduced ... -
Polymeric Foams
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-07-12)
Article
Accés obert -
Polypropylene/Clay Nanocomposites: Combined effects of clay treatment and compatibilizer polymers on the structure and properties
(Wiley, 2006)
Article
Accés restringit per política de l'editorialCombined effects of clay treatment and compatibilizer polymers on the structure and properties of polypropylene/clay nanocomposites were studied. Dynamic mechanical analysis was used to analyze comparatively the dynamic ...