Exploració per autor "Redondo Realinho, Vera Cristina de"
Ara es mostren els items 21-40 de 50
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Enhancing char formation of flame retardant epoxy composites: Onigiri-like ZIF-67 modification with carboxymethyl ß-cyclodextrin crosslinking
(Elsevier, 2024-06-01)
Article
Accés restringit per política de l'editorialTo enhance char formation of flame retardant epoxy (EP) composites, carboxymethyl ß-cyclodextrin (CM-ß-CD) is employed as an etchant for or ZIF-67 derivatives. In the early stage, etching plays a dominant role. The mismatch ... -
Espumas ignífugas de poliolefina libres de halógenos
(2012)
Text en actes de congrés
Accés obertEn el presente trabajo se han preparado y caracterizado espumas ignífugas de poliolefinas libres de halógenos. Se ha utilizado para ello una formulación comercial, empleada típicamente en la industria de cables, y se le ... -
Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene
(2018-07-23)
Article
Accés obertThe present work investigates the fire retardancy mechanisms of ammonium polyphosphate (APP) and aluminium diethyl phosphinate salt (AlPi) in an acrylonitrile-butadiene-styrene copolymer (ABS) by analysing the pyrolysis, ... -
Foaming behaviour, structure, and properties of polypropylene nanocomposite foams
(Hindawi Publishing Corporation, 2010)
Article
Accés obertThis work presents the preparation and characterization of compression-moulded montmorillonite and carbon nanofibre-polypropylene foams. The influence of these nanofillers on the foaming behaviour was analyzed in terms of ... -
Halogen-free flame retardant polyolefin foams
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe present work deals with the preparation and characterizacion of an improved fire-resistant ethylene-acrylate foamed material containing calcium carbonate and a silicon elastomer. This grade, usually employed on the ... -
Heat transfer in polypropylene-based foams produced using different foaming processes
(Wiley, 2009-10)
Article
Accés restringit per política de l'editorialThis paper presents the characterization of the cellular structure and thermal conduction behaviour of polypropylene foams produced using different foaming processes, with the aim of selecting the best possible PP foam ... -
Heat Transfer of Mineral-Filled Polypropylene Foams
(Trans Tech Publications, 2010)
Article
Accés restringit per política de l'editorialThe thermal conductivity of unfilled polypropylene foams produced using different foaming processes has previously been demonstrated to be mainly affected by the foam’s bulk density [1]. The influence of adding inorganic ... -
Improvement of the fire behaviour of PCM in building applications
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialPhase change materials (PCM) have been proved to be an effective tool to regulate indoor temperature fluctuations and reduce the energetic demand of buildings [1,2]. Paraffins are among the most common PCM used for thermal ... -
Influence of chemical composition of Brazilian organoclays on the morphological, structural and thermal properties of PLA-organoclay nanocomposites
(2019-07-17)
Article
Accés restringit per política de l'editorialThe effects of adding different Brazilian organoclays, containing di-(hydrogenated tallow) dimethyl ammonium chloride (HTA), trihexyl tetradecyl phosphonium chloride (TDP), di(alkyl ester) dimethyl ammonium chloride (EA) ... -
Influence of chemical nature, expansion ratio and cellular morphology on the fracture behaviour of flexible polyolefin-based foams assessed by the Essential Work of Fracture (EWF)
(2015-05)
Article
Accés obertSeveral commercial polyolefin-based flexible foams produced by extrusion foaming were characterized in terms of their cellular morphology and fracture behaviour using the concept of the Essential Work of Fracture (EWF), ... -
Influencia de las nanocargas en las propiedades termomecánicas de espumas poliméricas
(2012)
Comunicació de congrés
Accés obertSe presenta la influencia de nanopartículas y nanofibras sobre las propiedades termomecánicas de espumas poliméricas. A una formulación base polipropileno especial para espumación se le incorporaron nanocargas (silicatos ... -
Micro-raman analysis of the molecular orientation of flexible polyolefin foams
(2009)
Comunicació de congrés
Accés obert -
Microcellular Foaming of Layered Double Hydroxide-Polymer Nanocomposites
(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 ... -
Microstructure anisotropy in polyolefin flexible foams
(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 ... -
Novel polycarbonate-graphene nanocomposite foams prepared by CO2 dissolution
(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 ... -
Polypropylene foams: production, structure and properties
(Nova Science Publishers, 2011-11-01)
Capítol de llibre
Accés restringit per política de l'editorialIt is well known the relevance given to the study of heat transfer in polymer foams, as one of the main applications is as lightweight thermal insulating elements. Alongside some of the possible strategies for improving ... -
Polypropylene/Clay Nanocomposites: Combined effects of clay treatment and compatibilizer polymers on the structure and properties
(Wiley, 2006)
Article
Accés restringit per política de l'editorialCombined effects of clay treatment and compatibilizer polymers on the structure and properties of polypropylene/clay nanocomposites were studied. Dynamic mechanical analysis was used to analyze comparatively the dynamic ... -
Porous membranes based on polypropylene-ethylene copolymers. Influence of temperature on extrusion, annealing and uniaxial strain stages
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-08-02)
Article
Accés obertIn this study, block and random copolymers of polypropylene–ethylene are selected to prepare porous membranes through the melt extrusion-annealing-uniaxial stretching technique (MEAUS), at a constant draw ratio. In some ... -
Preparación y caracterización de espumas microcelulares nanoreforzadas
(2010-06-23)
Text en actes de congrés
Accés restringit per política de l'editorialLas espumas microcelulares poseen óptimas propiedades específicas que pueden ser ampliadas por incorporación de nanopartículas laminares y/o sustratos inorgánicos. Por ello, en el presente estudio se han preparado, por el ... -
Preparación y caracterización de espumas multifuncionales de polipropileno
(Universidad de Zaragoza / Instituto de Ciencia de Materiales de Aragón ; Sociedad Española de Materiales, 2010-06-23)
Text en actes de congrés
Accés restringit per política de l'editorialLa combinación de la espumación junto con refuerzos funcionales permite ampliar el rango de propiedades de los sólidos, añadiendo a una elevada rigidez específica la regulación de otras características como las propiedades ...
