Exploració per tema "Nanocomposites"
Ara es mostren els items 5-24 de 40
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Effect of chitin nanocrystals on crystallization and properties of poly(lactic acid)-based nanocomposites
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-01)
Article
Accés obertThe crystalline phase of poly(lactic acid) (PLA) has crucial effects on its own properties and nanocomposites. In this study, the isothermal crystallization of PLA, triethyl citrate-plasticized PLA (PLA–TEC), and its ... -
Effect of surface treatment of titanium dioxide nanoparticles on non-isothermal crystallization behavior, viscoelastic transitions and cold crystallization of poly(ethylene terephthalate) nanocomposites
(2014-01-01)
Article
Accés restringit per política de l'editorialThe effect of untreated and tri-n-octylphosphine oxide (TOPO) surface-treated TiO2 nanoparticles when included as filler in poly (ethylene terephthalate) on its compatibility, non-isothermal crystallization behavior, ... -
Effect of the presence of an ester of montanic acids with multifunctional alcohols in the composites of titanium dioxide nanoparticles with poly(ethylene terephthalate) in their non-isothermal crystallization
(2015-09-02)
Article
Accés obertThe effect of the addition of an ester of montanic acid with multifunctional alcohols in the effectiveness of the dispersion and compatibility of TiO2 nanoparticles when included as filler in poly(ethyleneterephthalate) ... -
Effects of carbon nanotubes/graphene nanoplatelets hybrid systems on the structure and properties of polyetherimide-based foams
(2018-03-21)
Article
Accés obertFoams based on polyetherimide (PEI) with carbon nanotubes (CNT) and PEI with graphene nanoplatelets (GnP) combined with CNT were prepared by water vapor induced phase separation. Prior to foaming, variable amounts of only ... -
Enhanced general analytical equation for the kinetics of the thermal degradation of poly(lactic acid)/montmorillonite nanocomposites driven by random scission
(2014-03)
Article
Accés restringit per política de l'editorialAn enhanced general analytical equation has been developed in order to evaluate the kinetic parameters of the thermal degradation of nanocomposites, composed of poly(lactic acid) (PLA) and organo-modified montmorillonite ... -
Enhancing the electrical conductivity of polyetherimide-based foams by simultaneously increasing the porosity and graphene nanoplatelets dispersion
(2018-09-19)
Article
Accés obertSignificant improvement in electrical conductivity of graphene nanoplatelets-filled polyetherimide (PEI) foams was achieved by simultaneously increasing the porosity and graphene nanoplatelets dispersion. Foams were prepared ... -
Graphene nanoplatelets-reinforced polyetherimide foams prepared by water vapor-induced phase separation
(2015-05)
Article
Accés restringit per política de l'editorialThe present work considers the preparation of medium-density polyetherimide foams reinforced with variable amounts of graphene nanoplatelets (1–10 wt%) by means of water vapor-induced phase separation (WVIPS) and their ... -
High performance textile filaments based in polyester- CaF2 and montanic acid with multifunctional alcohols composites
(International Federation of Associations of Textile Chemists and Colourists (IFATCC), 2021)
Comunicació de congrés
Accés restringit per política de l'editorial -
Highly exfoliated nanostructure in trifunctional epoxy/clay nanocomposites using boron trifluoride as initiator
(Wiley, 2014-03-15)
Article
Accés obertEpoxy/clay nanocomposites based upon a trifunctional epoxy resin, triglycidyl p-amino phenol (TGAP), have been prepared by intercalating an initiator of cationic homopolymerization, a boron trifluoride monoethylamine ... -
Identification of nanostructural development in epoxy polymer layered silicate nanocomposites from the interpretation of differential scanning calorimetry and dielectric spectroscopy
(2012-05-08)
Article
Accés obertThe effect of nanoclay on the non-isothermal cure kinetics of polymer layered silicate nanocomposites based upon epoxy resin is studied by calorimetric techniques (DSC and TGA) and by dielectric relaxation spectroscopy ... -
Improvement of dielectric properties of natural rubber by adding perovskite nanoparticles
(2016-02)
Article
Accés obertNatural rubber matrix, reinforced with several conventional stabilizer additives, was further charged with perovskite nanoparticles. Although the addition of BaTiO3 ceramic particles usually transforms a non-conducting ... -
Improving glass-fiber epoxy composites via interlayer toughening with polyacrylonitrile/multiwalled carbon nanotubes electrospun fibers
(Wiley, 2022-11)
Article
Accés obertThe development of innovative engineered epoxy composites aiming to manufacture cost-efficient materials with reduced weight and enhanced physical properties remains as a current industrial challenge. In this work we report ... -
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 ... -
Melt Electrospinning of Polymer: Additives, Nanocomposites and Blending
(Universitat Politècnica de Catalunya, 2020-10-26)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Instituto Politecnico do PortoEn l’última dècada, s’ha desenvolupat el melt electrospinning com a un procés ecològic i lliure de dissolvent per disminuir la bretxa entre els avantatges que presenta l’electrospinning en solució i la necessitat d’una ... -
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 ... -
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 ... -
Nanocomposites materials of PLA reinforced with nanoclays using a masterbatch technology: a study of the mechanical performance and its sustainability
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-29)
Article
Accés obertPackaging consumes around 40% of the total plastic production. One of the most important fields with high requirements is food packaging. Food packaging products have been commonly produced with petrol polymers, but due ... -
Non-isothermal cure and exfoliation of tri-functional epoxy-clay nanocomposites
(Budapest University of Technology and Economics, 2015)
Article
Accés obertThe non-isothermal cure kinetics of polymer silicate layered nanocomposites based on a tri-functional epoxy resin has been investigated by differential scanning calorimetry. From an analysis of the kinetics as a function ...