Exploració per tema "Nanocomposites (Materials)"
Ara es mostren els items 60-79 de 144
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Improving filmogenic and barrier properties of nanocellulose films by addition of biodegradable plasticizers
(2021-07-14)
Article
Accés obertCellulose nanocrystals (CNCs) were mixed with various additives to obtain films with good barrier and mechanical properties as replacements for petroleum-based plastics. The influence of different doses of additives including ... -
Improving glass-fiber epoxy composites via interlayer toughening with polyacrylonitrile/multiwalled carbon nanotubes electrospun fibers
(Wiley, 2022-11)
Article
Accés obertThe development of innovative engineered epoxy composites aiming to manufacture cost-efficient materials with reduced weight and enhanced physical properties remains as a current industrial challenge. In this work we report ... -
In-situ direct synthesis of HKUST-1 in wool fabric for the improvement of antibacterial properties
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-19)
Article
Accés obertThe use of Metal-Organic Frameworks (MOF) such as HKUST-1 in textiles is an alternative with regard to the development of technologies that are increasingly seeking for functionalities, mainly in the fields of health and ... -
In-situ nanocomposite in friction stir welding of 6061-T6 aluminum alloy to AZ31 magnesium alloy
(2019-01-01)
Article
Accés obertPrior to friction stir welding (FSW), silicon carbide (SiC) nanopowders were placed inside the groove on the adjacent side of magnesium sheet. In order to make a good distribution of these nanoparticles, first, friction ... -
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 chitosan characteristics in the microencapsulation of essential oils
(Springer, 2021-03)
Article
Accés obertThe fight against nosocomial infections in hospitals, has promoted the use of microencapsulated essential oils on medical wearing uniforms. These types of microcapsules can be improved with the use of antimicrobial polymers ... -
Influence of polyhedral oligomeric silsesquioxanes on thermal and mechanical properties of melt-mixed poly(methyl methacrylate)/polyhedral oligomeric silsesquioxanes composites
(2014-05-03)
Article
Accés restringit per política de l'editorialIn this study, the influence of the functionalization of fully or incomplete condensed polyhedral oligomeric silsesquioxanes composites (POSS) nanoparticles on the properties of poly(methyl methacrylate) (PMMA)-based ... -
Influence of the isothermal cure temperature on the nanostructure and thermal properties of an epoxy layered silicate nanocomposite
(2013-03-08)
Article
Accés restringit per política de l'editorialThe cure kinetics of triglycidyl p-amino phenol (TGAP) epoxy resin with a diamine (4,4-diamino diphenyl sulphone [DDS]), reinforced with montmorillonite (MMT), has been studied by differential scanning calorimetry. The ... -
Influencia del grafeno com nanoaditivo en una matriz de polipropileno
(Universitat Politècnica de Catalunya, 2014-09)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorA partir de la posibilidad de disponer de grafeno puro, muchos centros de investigación han dedicado grandes esfuerzos a estudiar sus propiedades y desplegar el potencial que parece tener en diversos campos. Las propiedades ... -
Intra- and extra-gallery reactions in tri-functional epoxy polymer layered silicate nanocomposites
(2012-09-05)
Article
Accés restringit per política de l'editorialAchieving a high degree of exfoliation in epoxy-based polymer layered silicate (PLS) nanocomposites is crucial to their successful industrial application, but has hitherto proved elusive. In this work, a system is presented ... -
Ionic liquid, ultrasound-assisted synthesis of lignin nanoparticles for barrier-enhanced all-cellulose nanocomposite films
(Springer Nature, 2023-10-05)
Article
Accés obertThe primary purpose of this work was to develop novel all-cellulose nanocomposite (ACNC) films by following a green approach that uses an ionic liquid as solvent and requires no additional reducing agents or stabilizers. ... -
Ionic liquid/ZnO assisted preparation of high barrier cellulose nanocomposite films by in situ ring-opening polymerization of lactide monomers
(Springer, 2023-01-03)
Article
Accés obertCellulose-based composites have aroused increasing interest as potential replacements for fossil fuel-based plastics. In this work, transparent cellulose-grafted-PLA nanocomposite films were prepared by grafting polylactide ... -
Ionic liquids-assisted bioconversion of lignocellulosic biomass for the development of value-added products
(2021-10-11)
Article
Accés obertLignocellulosic biomass is the most abundant renewable and inexpensive source that can be used to produce biofuels and bioproducts. One of the major limitations of biomass valorisation is its recalcitrance to an efficient ... -
Isocyanate toughening of pCBT/organoclay nanocomposites with exfoliated structure and enhanced mechanical properties
(2014-12-01)
Article
Accés restringit per política de l'editorialCyclic butylene terephthalate (CBT (R)) is an interesting matrix material for the preparation of nanocomposites due to its very low, water-like melt viscosity which favours clay exfoliation. Nevertheless, polymerized CBT ... -
Isothermal curing of polymer layered silicate nanocomposites based upon epoxy resin by means of anionic homopolymerisation
(2013-12-20)
Article
Accés restringit per política de l'editorialThe use of an initiator, 4-(dimethylamino) pyridine (DMAP), to promote an anionic homopolymerisation reaction for the isothermal cure of polymer layered silicate (PLS) nanocomposites based on an epoxy resin, as well as the ... -
Laser heating and destruction of carbon nanotubes
(Universitat Politècnica de Catalunya / Luleå Tekniska Universitet, 2013)
Treball Final de Grau
Accés obert
Realitzat a/amb: Luleå tekniska universitetResearch on carbon materials is, nowadays, the most developed field within the nanotechnology. Graphene and carbon nanotubes (CNTs) are the materials studied the most in this domain due to their astonishing mechanical, ... -
Manipulation of cellulose nanocrystal surface sulfate groups toward biomimetic nanostructures in aqueous media
(2015-08)
Article
Accés obertWe report a facile aqueous procedure to create multivalent displays of sulfonated ligands on CNCs for future applications as viral inhibitors. CNCs were decorated with model compounds containing sulfonate groups via reactions ... -
Mechanical and moisture barrier properties of titanium dioxide nanoparticles and halloysite nanotubes reinforced polylactic acid (PLA)
(Curran associates, 2014)
Comunicació de congrés
Accés obertPolylactic acid (PLA) has been larger used in biomedical field due to its low toxicity and biodegradability. The aim of this study was to produce PLLA nanocomposites, by melt extrusion, containing Halloysite nanotubes (HNT) ... -
Mejora de las propiedades de films de nanocelulosa mediante la adición de plastificantes para su aplicación en la industria del embalaje de alimentos
(OmniaScience, 2021-02-01)
Comunicació de congrés
Accés obertA partir de la mezcla de nanocelulosa cristalina (CNC) con varios aditivos naturales, se obtuvieron films con buenas propiedades barrera y mecánicas como posibles sustitutos de los plásticos convencionales derivados del ... -
Metal-free catalyzed ring-opening polymerization and block copolymerization of ¿-pentadecalactone using amino-ended initiators
(Elsevier, 2018-11-01)
Article
Accés obertMetal-free catalysis was successfully applied to polymerize ¿-pentadecalactone (PDL) by ring-opening polymerization (ROP) using several amino-ended initiators, namely hexylamine, allylamine and O,O'-bis(3-aminopropyl)diethylene ...