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Listar por palabra clave "Nanocomposites"

Mostrando ítems 1-20 de 55

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A combination of three surface modifiers for the optimal generation and application of natural hybrid nanopigments in a biodegradable resin

Micó Vicent, Bárbara; Jordán Núñez, Jorge; Martinez Verdu, Francisco Miguel; Balart Gimeno, Rafael Antonio (Springer Verlag (Germany), 2017-01)

Our purpose was to improve the thermal, mechanical and optimal properties of an epoxy bioresin using optimum hybrid natural pigments previously synthesised in our lab. Next, we searched for the best combinations of factors ...
Alumina-carbon nanofibers nanocomposites obtained by spark plasma sintering for proton exchange membrane fuel cell bipolar plates

Borrell Tomás, María Amparo; Torrecillas, Ramón; Rocha, Victoria G.; Fernández, Adolfo (Wiley-VCH Verlag, 2012-08)

[EN] There is an increasing demand of multifunctional materials for a wide variety of technological developments. Bipolar plates for proton exchange membrane fuel cells are an example of complex functionality components ...
Architecture and phases composition of suspension plasma sprayed alumina titania sub-micrometer-sized coatings

Darut, Geoffrey; Klyatskina, Elizaveta; Valette, Stéphane; Carles, Pierre; Denoirjean, Alain; Montavon, Ghislain; Ageorges, Hélène; Segovia-López, Francisco; Salvador Moya, Mª Dolores (ELSEVIER SCIENCE BV, 2012-01-15)

[EN] Sub-micrometer-sized Al 2O 3-TiO 2 plasma-sprayed coatings exhibit superior performances compared to micrometer-sized ones. Two routes can be implemented to manufacture such finely structured coatings: i) spraying ...
Assessment of the Mechanical and Thermal Properties of Injection-Molded Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)/Hydroxyapatite Nanoparticles Parts for Use in Bone Tissue Engineering

Ivorra-Martínez, Juan; Quiles-Carrillo, Luis; Boronat, Teodomiro; Torres Giner, Sergio; Covas, José A. (MDPI AG, 2020-06)

[EN] In the present study, poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)] was reinforced with hydroxyapatite nanoparticles (nHA) to produce novel nanocomposites for potential uses in bone reconstruction. ...
Bacterial cellulose nanowhiskers to enhance the properties of plastics and bioplastics of interest in food packaging

Martínez Sanz, Marta (Universitat Politècnica de València, 2013-07-01)

El presente trabajo tiene por objetivo estudiar las aplicaciones de los nanocristales o ¿nanowhiskers¿ extraídos mediante hidrólisis ácida de celulosa bacteriana (BCNW) para el desarrollo de materiales poliméricos y ...
Bioactive organic inorganic poly(CLMA-co-HEA)/silica nanocomposites

Ivashchenko, Sergiy; Escobar Ivirico, Jorge Luis; García Cruz, Dunia Mercedes; Campillo Fernández, Alberto José; Gallego-Ferrer, Gloria; Monleón Pradas, Manuel (SAGE Publications, 2015)

[EN] A series of novel poly(CLMA-co-HEA)/silica nanocomposites is synthesized from caprolactone 2-(methacryloyloxy)ethyl ester (CLMA) and 2-hydroxyethyl acrylate (HEA) as organic comonomers and the simultaneous sol-gel ...
Biomimetic Growth of Hydroxyapatite in Hybrid Polycaprolactone/Graphene Oxide Ultra-Porous Scaffolds

Fuster-Gómez, Sandra; Castilla Cortázar, María Isabel Cecilia; Vidaurre, Ana; Campillo-Fernández, Alberto J. (American Chemical Society, 2023-02)

[EN] This paper reports the preparation and character-ization of hybrid scaffolds composed of polycaprolactone (PCL) and different graphene oxide (GO) amounts, intending to incorporate the intrinsic characteristics of their ...
Bionanocomposite films based on plasticized PLA PHB/cellulose nanocrystal blends

ARRIETA, Marina Patricia; Fortunati, E.; Dominici, F.; López Martínez, Juan; Kenny, J. M. (Elsevier, 2015-05-05)

Optically transparent plasticized poly(lactic acid) (PLA) based bionanocomposite films intended for food packaging were prepared by melt blending. Materials were plasticized with 15 wt% of acetyl(tributyl citrate) (ATBC) ...
Biotic degradation of poly(DL-lactide) based nanocomposites

FUKUSHIMA, KEIKO; Giménez Torres, Enrique; Cabedo Mas, Luis; Lagaron Cabello, Jose Maria; Feijoo, José L. (Elsevier, 2012-08)

[EN] Amorphous PLA nanocomposites based on organic modified kaolinite (KAO) and montmorillonite (MONT) at 4 wt.% were prepared by melt blending and then biodegraded in compost. All materials showed effective degradation ...
Characterisation of chemical bath deposited CdS thin films on different substrates using electrolyte contacts

Samantilleke, Anura Priyajith; Cerqueira, M.F.; Heavens, S.; Warren, P.; Dharmadasa, I.M.; Muftah, G.E.A.; Silva, C.J.R.; Marí Soucase, Bernabé (Elsevier, 2011-08)

Aqueous electrolyte contacts have been used to characterize CdS thin films grown using chemical bath deposition (CBD) on 4 different fluorine-doped tin oxide (FTO) coated conducting glass substrates (identified by the ...
Comparative Study of the Rheological Behavior of Multiwalled Carbon Nanotubes and Nanofiber Composites Prepared by the Dilution of a Masterbatch of Polypropylene

Boronat Vitoria, Teodomiro; García Sanoguera, David; Pascual, J.; Peris, F.; Sánchez Nacher, Lourdes (Wiley-Blackwell, 2012-11-05)

In this investigation, the characteristics and the rheological properties of two different nanocomposite systems were investigated. These systems consisted of a dispersion of carbon nanotubes (CNTs) and carbon nanofibers ...
Continuous Broadband MWP True-Time Delay with PbS-PMMA and -SU8 waveguides

Perez, Joaquin; Suárez Álvarez, Isaac; Hervás-Peralta, Javier; Ricchiuti, Amelia Lavinia; Martinez-Pastor, Juan P.; Sales Maicas, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2016-08-01)

[EN] A new microwave true-time delay (TTD) photonic unit based on the dispersion of PbS colloidal quantum dots (QDs) in a Polymethyl methacrylate (PMMA) and the SU8 photoresist is presented. With this aim, the PbS-PMMA and ...
Controlling dielectrical properties of polymer blends through defined PEDOT nanostructures

Sanchis Sánchez, María Jesús; Redondo Foj, María Belén; Carsí Rosique, Marta; Ortiz Serna, Mª Pilar; Culebras, Mario; Gomez, Clara M.; Cantarero, Andres; Munoz-Espi, Rafael (Royal Society of Chemistry, 2016)

[EN] The paper reports the crucial role of the morphology of poly(3,4-ethylenedioxythiophene) (PEDOT) nanostructures on the thermal and dielectric properties of polymer blends prepared thereof. PEDOT nanostructures with ...
Degradation of a mechanically recycled polylactide/halloysite nanocomposite in an ethanolic food simulant

Beltrán, Freddys R.; Arrieta, Marina P.; Hortal, Yaiza; Gaspar, Gerald; de la Orden, Mª Ulagares; Martínez Urreaga, Joaquín (Universitat Politècnica de València, 2021-07-16)

[EN] This work aims to study the effect of immersion in a ethanolic food simulant in mechanically recycled poly(lactic acid) (PLAR) and its nanocomposites reinforced with halloysite nanotubes (HNT). PLAR was obtained by ...
DESENVOLVIMENTO DE NANOCOMPÓSITOS DE ALUMINA-CARBETO DE NIÓBIO POR SINTERIZAÇÃO NÃO-CONVENCIONAL

Ribeiro Rodrigues Alecrim, Laís (Universitat Politècnica de València, 2017-11-03)

Alumina (Al2O3) matrix nanocomposites reinforced with a second nanometric phase have better mechanical properties, especially of hardness, fracture toughness and wear resistance compared to the monolithic alumina material. ...
Designing stable lead halide perovskite nanocrystals: From a single particle to nanocomposites

Collantes-Pablo, Cynthia; Teixeira, William; González-Pedro, Victoria; Bañuls Polo, María-José; Maquieira, Angel (Elsevier BV, 2023-04)

[EN] Metal halide perovskite nanocrystals have attracted substantial interest given their easy manufacturing, superior Photoluminiscence Quantum Yield and striking optical properties. Despite the huge potential of such ...
Dielectric spectroscopy of natural rubber-cellulose II nanocomposites

Ortiz Serna, Mª Pilar; Díaz Calleja, Ricardo; Sanchis Sánchez, María Jesús; Riande, Evaristo; Numes, R.; Martins, A.; Visconte, L. (Elsevier, 2011)

[EN] Nanocomposite materials obtained from natural rubber (NR) reinforced with different amounts of cellulose II nanoparticles (in the range of 0 to 30 phr) are studied by dielectric spectroscopy (DS). For comparative ...
Dynamic mechanical relaxation of poly(2-hydroxyethyl acrylate)-silica nanocomposites obtained by the sol-gel method

Gómez-Tejedor, José Antonio; Rodríguez Hernández, José Carlos; Gómez Ribelles, José Luís; Monleón Pradas, Manuel (Informa UK (Marcel Dekker), 2007)

[EN] A series of poly(hydroxyethyl acrylate)-silica nanocomposites has been polymerized by the simultaneous sol-gel reaction of the organic monomer and the silica precursor tetraethyl orthosilicate (TEOS). Samples with ...
Effect of cellulose nanocrystals on the properties of pea starch-poly(vinyl alcohol) blend films

Fortunati, Elena; Cano Embuena, Amalia Isabel; Cháfer Nácher, María Teresa; González Martínez, María Consuelo; Chiralt, A.; Kenny, J.M. (Springer Verlag (Germany), 2015-11)

[EN] Incorporation of cellulose nanocrystals (CNC) to pea starch-poly(vinyl alcohol) (PVA) (1:2 ratio) blend films was carried out in order to improve their physical properties. Different ratios (1, 3 and 5 % wt) of CNC ...
Effect of CNFs content on the tribological behaviour of spark plasma sintering ceramic-CNFs composites

Borrell Tomás, María Amparo; Torrecillas, R.; Rocha, V. G.; Fernandez, A.; Bonache Bezares, Victoria; Salvador Moya, Mª Dolores (Elsevier, 2012-01-27)

Alumina-carbon nanofibres (CNFs) and silicon carbide-CNFs nanocomposites with different volume fraction of CNFs (0-100vol.%) were obtained by spark plasma sintering. The effect of CNFs content on the tribological behaviour ...