Exploració per autor "Velasco Perero, José Ignacio"
Ara es mostren els items 84-103 de 148
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Low density polycarbonate-graphene nanocomposite foams produced by supercritical carbon dioxide two-step foaming. Thermal stability
Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Elsevier, 2016-05)
Article
Accés obertThe thermal stability of low density polycarbonate-graphene nanocomposite foams prepared by supercritical carbon dioxide two-step foaming was investigated. Unfilled polycarbonate foams showed improved thermal stabilities ... -
Low density polyethylene/silica nanocomposite foams. Relationship between chemical composition, particle dispersion, cellular structure and physical properties
Laguna-Gutiérrez, Ester; Saiz Arroyo, Cristina; Velasco Perero, José Ignacio; Rodríguez Pérez, Miguel Ángel (2016-08)
Article
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Methods of incorporating plant-derived bioactive compounds into films made with agro-based polymers for application as food packaging: A brief review
Ferreira Nogueira, Gislaine; Oliveira, Rafael Augustus de; Velasco Perero, José Ignacio; Matta Fakhouri, Farayde (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-01)
Article
Accés obertPlastic, usually derived from non-renewable sources, is among the most used materials in food packaging. Despite its barrier properties, plastic packaging has a recycling rate below the ideal and its accumulation in the ... -
Micro-raman analysis of the molecular orientation of flexible polyolefin foams
Antunes, Marcelo de Sousa Pais; Arencón Osuna, David; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (2009)
Comunicació de congrés
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Microcellular Foaming of Layered Double Hydroxide-Polymer Nanocomposites
Martínez Benasat, Antonio; Redondo Realinho, Vera Cristina de; Antunes, Marcelo de Sousa Pais; Maspoch Rulduà, M. Lluïsa; Velasco Perero, José Ignacio (American Chemical Society (ACS), 2011)
Article
Accés restringit per política de l'editorialMicrocellular foams of polystyrene (PS), poly(styrene-co-acrylonitrile) (SAN), and poly(methyl methacrylate) (PMMA) having organically modified layered double hydroxides (LDH) were prepared using a high-pressure CO2 ... -
Microstructural characteristics of graphene/polycarbonate nanocomposite foams
Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Rende, Deniz; Schadler, Linda; Velasco Perero, José Ignacio; Ozisik, Rahmi (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, ... -
Microstructure anisotropy in polyolefin flexible foams
Antunes, Marcelo de Sousa Pais; Arencón Osuna, David; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (IOP Publishing Ltd., 2009-11)
Article
Accés obertThe use of polyolefin flexible foams with typical thicknesses between 1 and 3 mm produced by a physical foaming extrusion process is nowadays quite widespread in the packaging sector. Their high flexibility and closed-cell ... -
Moulded polypropylene foams produced using chemical or physical blowing agents: structure–properties relationship
Saiz-Arroyo, Cristina; Saja, José Antonio de; Velasco Perero, José Ignacio; Rodríguez-Pérez, Miguel Ángel (2012)
Article
Accés restringit per política de l'editorialPolypropylene (PP) foams have become essential items due to their excellent properties. Nevertheless, obtaining net-shaped PP foams with medium relative densities is a complicated issue. In this article, two processes ... -
Multifunctional foams made of polymer nanocomposites
Arencón Osuna, David; Velasco Perero, José Ignacio; Realiño, Vera; Antunes, Marcelo de Sousa Pais; Gedler, Gabriel (Campus de Terrassa de la UPC, 2013-06-13)
Text en actes de congrés
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Multifunctional nanocomposite foams based on polypropylene with carbon nanofillers
Antunes, Marcelo de Sousa Pais; Gedler, Gabriel; Velasco Perero, José Ignacio (2013-05)
Article
Accés restringit per política de l'editorialThis work considers the preparation and characterization of polypropylene foams with variable concentrations of graphene and carbon nanofibres, focussing on the influence of the foaming process and the nanofillers on the ... -
Nile tilapia (Oreochromis niloticus) waste protein-based films
Scudeler Granzotti da Silva, Cintia; Costa de Lima, Thayná; Velasco Perero, José Ignacio; Matta Fakhouri, Farayde; Graciano Fonseca, Gustavo (2021-01-01)
Article
Accés obertThe demand for new materials and technologies that are able to minimize the environmental impact generated by the disposal of materials from fossil sources has increased significantly in the past years. As these materials ... -
Novel polycarbonate-graphene nanocomposite foams prepared by CO2 dissolution
Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Redondo Realinho, Vera Cristina de; Velasco Perero, José Ignacio (IOP PUBLISHING LTD., 2012)
Article
Accés obertPolycarbonate foams reinforced with 0,5 wt% of graphene were obtained by firstly melt-mixing the polycarbonate and graphene in an internal mixer, compression-moulding the melt-compounded grinded material and lastly dissolving ... -
Nucleation efficiency of talc in the foaming behavior and cellular structure of polyolefin-based foams: new perspectives for optimized lightweight materials
Meli, Gilles; Abler, Caroline; Jouffret, Frédéric; Antunes, Marcelo de Sousa Pais; Gedler, Gabriel; Arencón Osuna, David; Velasco Perero, José Ignacio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe research consisted in evaluating the nucleation efficiency of different types of talc (with different particle size distributions, morphologies and even surface modifications) in the foaming behaviour and cellular ... -
Optical expandometry: a technique to analyze the expansion kinetics of chemically blown thermoplastic foams
Solórzano Quijano, Eusebio; Antunes, Marcelo de Sousa Pais; Saiz-Arroyo, Cristina; Rodríguez-Pérez, Miguel Ángel; Velasco Perero, José Ignacio; Saja, José Antonio de (2012-07)
Article
Accés restringit per política de l'editorialA novel technique to determine in situ the free expansion kinetics of chemically foamed thermoplastic foams, so-called optical expandometry, is presented in this work. This technique is based on the camera monitoring ... -
Packaging from renewable sources with antimicrobial properties: development and applications
Silva, Luan Ramos da; Almeida Bachega Casari, Andressa Cecília; Santos R.C, Bruna; Avelino, Kely; Ferraz, Michaela; Justi, Priscila; Pereira Lima, Rene; Velasco Perero, José Ignacio; Matta Fakhouri, Farayde (2018-11-16)
Capítol de llibre
Accés obertA large amount of packaging has been used and discarded daily, and most of them are discarded in the nature and require many years to decompose. The use of synthetic polymers, due to its advantages and processability, is ... -
PLA-based foams: tissue engineering
Velasco Perero, José Ignacio; Antunes, Marcelo de Sousa Pais (2015-04-02)
Capítol de llibre
Accés restringit per política de l'editorialBiodegradable porous scaffolds with or without bioactive molecules prepared by clean techniques attract an enormous interest for tissue engineering applications. Scaffolds work as structural support for both cell ... -
Polycarbonate foams with tailor-made cellular structures by controlling the dissolution temperature in a two-step supercritical carbon dioxide foaming process
Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2014-04)
Article
Accés restringit per política de l'editorialClosed-cell polycarbonate foams were prepared using a two-step foaming process, which consisted of the initial dissolution of supercritical CO2(scCO2) into PC foaming precursors and their later expansion by heating using ... -
Polyetherimide foams filled with low content of graphene nanoplatelets prepared by scCO2 dissolution
Abbasi, Hooman; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-13)
Article
Accés obertPolyetherimide (PEI) foams with graphene nanoplatelets (GnP) were prepared by supercritical carbon dioxide (scCO2) dissolution. Foam precursors were prepared by melt-mixing PEI with variable amounts of ultrasonicated GnP ... -
Polyimides
Abbasi, Hooman; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2015-12-22)
Capítol de llibre
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Polymeric Foams
Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2019-07-12)
Article
Accés obert