Exploració per tema "Nanocomposites (Materials)"
Ara es mostren els items 76-95 de 145
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Laser heating and destruction of carbon nanotubes
(Universitat Politècnica de Catalunya / Luleå Tekniska Universitet, 2013)
Treball Final de Grau
Accés obert
Realitzat a/amb: Luleå tekniska universitetResearch on carbon materials is, nowadays, the most developed field within the nanotechnology. Graphene and carbon nanotubes (CNTs) are the materials studied the most in this domain due to their astonishing mechanical, ... -
Manipulation of cellulose nanocrystal surface sulfate groups toward biomimetic nanostructures in aqueous media
(2015-08)
Article
Accés obertWe report a facile aqueous procedure to create multivalent displays of sulfonated ligands on CNCs for future applications as viral inhibitors. CNCs were decorated with model compounds containing sulfonate groups via reactions ... -
Mechanical and moisture barrier properties of titanium dioxide nanoparticles and halloysite nanotubes reinforced polylactic acid (PLA)
(Curran associates, 2014)
Comunicació de congrés
Accés obertPolylactic acid (PLA) has been larger used in biomedical field due to its low toxicity and biodegradability. The aim of this study was to produce PLLA nanocomposites, by melt extrusion, containing Halloysite nanotubes (HNT) ... -
Mejora de las propiedades de films de nanocelulosa mediante la adición de plastificantes para su aplicación en la industria del embalaje de alimentos
(OmniaScience, 2021-02-01)
Comunicació de congrés
Accés obertA partir de la mezcla de nanocelulosa cristalina (CNC) con varios aditivos naturales, se obtuvieron films con buenas propiedades barrera y mecánicas como posibles sustitutos de los plásticos convencionales derivados del ... -
Metal-free catalyzed ring-opening polymerization and block copolymerization of ¿-pentadecalactone using amino-ended initiators
(Elsevier, 2018-11-01)
Article
Accés obertMetal-free catalysis was successfully applied to polymerize ¿-pentadecalactone (PDL) by ring-opening polymerization (ROP) using several amino-ended initiators, namely hexylamine, allylamine and O,O'-bis(3-aminopropyl)diethylene ... -
Micro-molding with ultrasonic vibration energy: New method to disperse nanoclays in polymer matrices
(2014-07)
Article
Accés restringit per política de l'editorialUltrasound technology was proved as an efficient processing technique to obtain micro-molded specimens of polylactide (PLA) and polybutylene succinate (PBS), which were selected as examples of biodegradable polyesters ... -
Micromoldeo mediante ultrasonidos. Encapsulación de fármacos y preparación de nanocompuestos
(Universitat Politècnica de Catalunya, 2013-10)
Projecte/Treball Final de Carrera
Accés obertEn este Proyecto, se ha estudiado la aplicación de un nuevo sistema de micromoldeo mediante ultrasonidos, evaluando el efecto de diferentes condiciones de procesado en un material biodegradable, así como la incorporación ... -
Microstructural characteristics of graphene/polycarbonate nanocomposite foams
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe microstructural characteristics of polycarbonate-graphene nanocomposite foams prepared using supercritical CO2 foaming are investigated using small and wide angle X-ray diffraction to understand the effect of graphene, ... -
Millora de les propietats de films multicapa mitjançant la inclusió de Nanocompòsits de PA6
(Universitat Politècnica de Catalunya, 2013-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorL’aplicació de materials multicapa per l’envasament de productes ha representat un gran avenç pel que fa a la conservació d’aliments i a la seva acceptació per part del consumidor. Aquesta tecnologia permet allargar la ... -
Modification of as-cast Al-Mg/B4C composite by addition of Zr
(2016-11-15)
Article
Accés obertZirconium was used in Al-Mg/B4C composite to improve compocasting efficiency by increasing particle incorporation. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) results revealed that by ... -
Molecular mobility in hyperbranched polymers and their interaction with an epoxy matrix
(2016-03-01)
Article
Accés obertThe molecular mobility related to the glass transition and secondary relaxations in a hyperbranched polyethyleneimine, HBPEI, and its relaxation behaviour when incorporated into an epoxy resin matrix are investigated by ... -
Morphology and thermomechanical properties of melt-mixed polyoxymethylene/polyhedral oligomeric silsesquioxane nanocomposites
(2010)
Article
Accés restringit per política de l'editorialThe influence of the functionalization of fully condensed POSS cages on the properties of POMbased nanocomposites is studied. POSS with different organic substituents [glycidylethyl, aminopropylisobutyl, and poly(ethylene ... -
Multicriteria value analysis for polymer composites selection in automotive applications
(Asociación Española de Ingeniería de Proyectos (AEIPRO), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis study presents a tool for decision making called Multicriteria Value Analysis, used for selection of polymeric materials applied in automotive parts and components. The tool is built from the methodological framework ... -
Multifunctional foams made of polymer nanocomposites
(Campus de Terrassa de la UPC, 2013-06-13)
Text en actes de congrés
Accés obert -
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 ...