Exploració per tema "Nanocomposites (Materials)"
Ara es mostren els items 66-85 de 145
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Influence of polyhedral oligomeric silsesquioxanes on thermal and mechanical properties of melt-mixed poly(methyl methacrylate)/polyhedral oligomeric silsesquioxanes composites
(2014-05-03)
Article
Accés restringit per política de l'editorialIn this study, the influence of the functionalization of fully or incomplete condensed polyhedral oligomeric silsesquioxanes composites (POSS) nanoparticles on the properties of poly(methyl methacrylate) (PMMA)-based ... -
Influence of the isothermal cure temperature on the nanostructure and thermal properties of an epoxy layered silicate nanocomposite
(2013-03-08)
Article
Accés restringit per política de l'editorialThe cure kinetics of triglycidyl p-amino phenol (TGAP) epoxy resin with a diamine (4,4-diamino diphenyl sulphone [DDS]), reinforced with montmorillonite (MMT), has been studied by differential scanning calorimetry. The ... -
Influencia del grafeno com nanoaditivo en una matriz de polipropileno
(Universitat Politècnica de Catalunya, 2014-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorA partir de la posibilidad de disponer de grafeno puro, muchos centros de investigación han dedicado grandes esfuerzos a estudiar sus propiedades y desplegar el potencial que parece tener en diversos campos. Las propiedades ... -
Inorganic nanoparticles as a gelling agent for graphene-based multifunctional composite aerogels
(Universitat Politècnica de Catalunya, 2024-02-20)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
Intra- and extra-gallery reactions in tri-functional epoxy polymer layered silicate nanocomposites
(2012-09-05)
Article
Accés restringit per política de l'editorialAchieving a high degree of exfoliation in epoxy-based polymer layered silicate (PLS) nanocomposites is crucial to their successful industrial application, but has hitherto proved elusive. In this work, a system is presented ... -
Ionic liquid, ultrasound-assisted synthesis of lignin nanoparticles for barrier-enhanced all-cellulose nanocomposite films
(Springer Nature, 2023-10-05)
Article
Accés obertThe primary purpose of this work was to develop novel all-cellulose nanocomposite (ACNC) films by following a green approach that uses an ionic liquid as solvent and requires no additional reducing agents or stabilizers. ... -
Ionic liquid/ZnO assisted preparation of high barrier cellulose nanocomposite films by in situ ring-opening polymerization of lactide monomers
(Springer, 2023-01-03)
Article
Accés obertCellulose-based composites have aroused increasing interest as potential replacements for fossil fuel-based plastics. In this work, transparent cellulose-grafted-PLA nanocomposite films were prepared by grafting polylactide ... -
Ionic liquids-assisted bioconversion of lignocellulosic biomass for the development of value-added products
(2021-10-11)
Article
Accés obertLignocellulosic biomass is the most abundant renewable and inexpensive source that can be used to produce biofuels and bioproducts. One of the major limitations of biomass valorisation is its recalcitrance to an efficient ... -
Isocyanate toughening of pCBT/organoclay nanocomposites with exfoliated structure and enhanced mechanical properties
(2014-12-01)
Article
Accés restringit per política de l'editorialCyclic butylene terephthalate (CBT (R)) is an interesting matrix material for the preparation of nanocomposites due to its very low, water-like melt viscosity which favours clay exfoliation. Nevertheless, polymerized CBT ... -
Isothermal curing of polymer layered silicate nanocomposites based upon epoxy resin by means of anionic homopolymerisation
(2013-12-20)
Article
Accés restringit per política de l'editorialThe use of an initiator, 4-(dimethylamino) pyridine (DMAP), to promote an anionic homopolymerisation reaction for the isothermal cure of polymer layered silicate (PLS) nanocomposites based on an epoxy resin, as well as the ... -
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 ...