Search results for "Nano-structure"

showing 3 items of 3 documents

High performance composites containing perfluoropolyethers-functionalized carbon-based nanoparticles: Rheological behavior and wettability

2016

Abstract Ultra High Molecular Weight Polyethylene (UHMWPE) based composites filled with carbon nanotubes (CNTs) and carbon black (CB) modified by perfluoropolyethers (PFPE) have been formulated. All composites show a segregated morphology with nanofillers selectively localized at the polymer particle–particle interface. The composites rheological properties have been deeply investigated: the PFPE functionalities linked on CNTs facilitate the semi-3D nanofillers network formation in the composites that show a solid-like behaviour even at lower investigated filler contents, reaching the rheological percolation threshold at lower nanofiller content than bare CNTs filled composites. For composi…

B. Rheological propertiePolymer-matrix composites (PMCs)Materials scienceNano-structures Polymer-matrix composites (PMCs) Rheological properties Surface properties Perfluoropolyethers nanofillersB. Surface propertiesNanoparticlechemistry.chemical_elementCeramics and Composite02 engineering and technologyCarbon nanotube010402 general chemistry01 natural sciencesPerfluoropolyethers nanofillersIndustrial and Manufacturing Engineeringlaw.inventionchemistry.chemical_compoundA. Polymer-matrix composites (PMCs)lawA. Nano-structures; A. Polymer-matrix composites (PMCs); B. Rheological properties; B. Surface properties; Perfluoropolyethers nanofillers; Ceramics and Composites; Mechanics of Materials; Mechanical Engineering; Industrial and Manufacturing EngineeringA. Nano-structuresSurface propertiesMechanics of MaterialRheological propertiesComposite materialPerfluoropolyethers nanofillerUltra-high-molecular-weight polyethylenechemistry.chemical_classificationMechanical EngineeringPercolation thresholdCarbon blackPolymer021001 nanoscience & nanotechnologyB. Surface propertie0104 chemical sciencesB. Rheological propertieschemistryNano-structuresMechanics of MaterialsA. Nano-structureCeramics and CompositesWetting0210 nano-technologyCarbon
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An insight into the interaction between functionalized thermoplastic elastomer and layered double hydroxides through rheological investigations

2018

Abstract Nanocomposites based on maleated poly(styrene-(ethylene-co-butylene)-styrene) copolymer (SEBSgMA) and organo-modified layered double hydroxide (OLDH) have been formulated with the aim to investigate the effects of interfacial interactions between the grafted maleic anhydride groups of the copolymer and the OLDH nanolayers on the rheological properties of nanocomposites. The spectroscopic analysis indicates the establishment of specific polymer/nanofiller interactions, whose extent has been highlighted through morphological and rheological investigations. Specifically, oscillatory melt rheology and shear relaxation tests have been considered in order to deeply investigate the interf…

Physical propertiePolymer-matrix composites (PMCs)Materials scienceCeramics and Composite02 engineering and technologyengineering.materialNano-structure010402 general chemistry01 natural sciencesIndustrial and Manufacturing Engineeringchemistry.chemical_compoundRheologyCopolymerRheological propertieMechanics of MaterialRheological propertiesComposite materialThermoplastic elastomerNano-structures; Physical properties; Polymer-matrix composites (PMCs); Rheological properties; Ceramics and Composites; Mechanics of Materials; Mechanical Engineering; Industrial and Manufacturing EngineeringSettore CHIM/02 - Chimica Fisicachemistry.chemical_classificationNanocompositePhysical propertiesMechanical EngineeringLayered double hydroxidesMaleic anhydridePolymer021001 nanoscience & nanotechnology0104 chemical scienceschemistryNano-structuresMechanics of MaterialsengineeringCeramics and CompositesHydroxide0210 nano-technology
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Multi-functional hindered amine light stabilizers-functionalized carbon nanotubes for advanced ultra-high molecular weight Polyethylene-based nanocom…

2015

Hindered Amine Light Stabilizer (HAS) molecules have been covalently linked on the outer surface of multi-walled carbon nanotubes (CNTs), and the so-obtained multi-functional fillers (HAS-f-CNTs) have been compounded with Ultra High Molecular Weight Polyethylene (UHMWPE) to get composite films. The success of the grafting reaction of the HAS molecules has been confirmed through spectroscopic and thermo-gravimetric analyses. Morphological analyses reveal a segregated microstructure, in which CNT-rich channels surround the polymer domains. This morphology results in improved mechanical properties and appreciable electrical conductive features. More importantly, the addition of only 1 wt.% of …

Polymer-matrix composites (PMCs)B. Rheological propertiePhoto-oxidative resistanceMaterials scienceB. Mechanical propertieComposite numberCeramics and CompositeCarbon nanotubeNano-structureIndustrial and Manufacturing EngineeringA. Nano-structures; A. Polymer-matrix composites (PMCs); B. Mechanical properties; B. Rheological properties; Photo-oxidative resistance; Ceramics and Composites; Mechanics of Materials; Mechanical Engineering; Industrial and Manufacturing Engineeringlaw.inventionchemistry.chemical_compoundA. Polymer-matrix composites (PMCs)lawA. Nano-structuresRheological propertieMechanics of MaterialComposite materialUltra-high-molecular-weight polyethylenechemistry.chemical_classificationB. Mechanical propertiesNanocompositeHindered amine light stabilizersA. Nano-structures; A. Polymer-matrix composites (PMCs); B. Mechanical properties; B. Rheological properties; Photo-oxidative resistance; Ceramics and Composites; Mechanics of Materials; Industrial and Manufacturing Engineering; Mechanical EngineeringMechanical EngineeringPolymerMicrostructureB. Rheological propertieschemistryMechanics of MaterialsA. Nano-structureCeramics and CompositesMechanical propertieStabilizer (chemistry)
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