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Recent advances in carbon-based polymer nanocomposites for electromagnetic interference shielding
(2019-06)
Article
Accés restringit per política de l'editorialCarbon-based nanoparticles have recently generated a great attention, as they could create polymer nanocomposites with enhanced transport properties, overcoming some limitations of electrically-conductive polymers for high ... -
Polyetherimide foams filled with low content of graphene nanoplatelets prepared by scCO2 dissolution
(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 ... -
Effects of a phosphorus flame retardant system on the mechanical and fire behavior of microcellular ABS
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-26)
Article
Accés obertThe presentwork dealswith the study of phosphorus flame retardantmicrocellular acrylonitrile– butadiene–styrene (ABS) parts and the effects of weight reduction on the fire and mechanical performance. Phosphorus-based flame ... -
Corn starch and gelatin-based films added with guabiroba pulp for application in food packaging
(Elsevier Ltd, 2019-03-01)
Article
Accés restringit per política de l'editorialThe guabiroba pulp (GP) has natural antioxidant compounds, such as phenolic compounds and ascorbic acid. The aim of this work was to produce an active biodegradable film based on blends of gelatin (GEL) and corn starch ... -
Enhancing the electrical conductivity of polyetherimide-based foams by simultaneously increasing the porosity and graphene nanoplatelets dispersion
(2018-09-19)
Article
Accés restringit per política de l'editorialSignificant 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 ... -
Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene
(2018-07-23)
Article
Accés restringit per política de l'editorialThe 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, ... -
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 ... -
The fracture testing of ductile polymer films: Effect of the specimen notching
(Elsevier, 2017-10-01)
Article
Accés restringit per política de l'editorialThe fracture of a ductile polymer film, a heterophase ethylene-propylene block copolymer, has been studied, combining a range of characterisation methods in an attempt to provide a better understanding of the intricate ... -
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 ... -
Influence of injection molding parameters on the morphology, mechanical and surface properties of ABS foams
(2018-01-24)
Article
Accés obertIn this work, microcellular ABS foams were studied. A series of injection molding samples defined by a design of experiments was carried out to analyze the effect of shot volume, mold temperature, and injection velocity ... -
Poly(Amide-imide) aerogel materials produced via an ice templating process
(2018-02-03)
Article
Accés obertLow density composites of sodium montmorillonite and poly(amide-imide) polymers have been created using an ice templating method, which serves as an alternative to the often-difficult foaming of high temperature/high ... -
Multivariable methods applied to FTIR: a powerful technique to highlight architectural changes in poly(lactic acid)
(Elsevier, 2018-02-01)
Article
Accés restringit per política de l'editorialThe structural modifications of a commercially available poly(lactid acid) grade were induced through reactive extrusion using a multi-epoxide reactive agent in a pilot plant. The statistical nature of the chemical reactions ...
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