Exploració per tema "Nanocomposites"
Ara es mostren els items 1-20 de 40
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Antibacterial lignin-based nanoparticles and their use in composite materials
(Royal Society of Chemistry (RSC), 2022-10-11)
Article
Accés obertLignin, one of the most abundant biopolymers on earth, has been traditionally considered a low-value by-product of the pulp and paper industries. This renewable raw material, besides being a source of valuable molecules ... -
Bacterial cellulose network from kombucha fermentation impregnated with emulsion-polymerized poly(methyl methacrylate) to form nanocomposite
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-23)
Article
Accés obertThe use of bio-based residues is one of the key indicators towards sustainable development goals. In this work, bacterial cellulose, a residue from the fermentation of kombucha tea, was tested as a reinforcing nanofiber ... -
Biobased waterborne polyurethane-urea/SWCNT nanocomposites for hydrophobic and electrically conductive textile coatings
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-17)
Article
Accés obertWaterborne polyurethane-urea dispersions (WPUD), which are based on 100% bio-based semi-crystalline polyester polyol and isophorone diisocyanate, have been successfully synthesized and doped with single-walled carbon ... -
Cellulose nanocrystals: surface modification, applications and opportunities at interfaces
(2017-06-28)
Article
Accés obertCellulose nanocrystals (CNCs) are rod-like nano-scale particles that are widely available in nature and have recently gained great interest in both research and industry, due to their high strength, high crystallinity, ... -
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 ...