Browsing by Subject "Calorimetria"
Now showing items 1-20 of 54
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A novel comparative study of different layered silicate clay types on exfoliation process and final nanostructure of trifunctional epoxy nanocomposites
(2016-12)
Article
Open AccessThe effect of three different organically modified layered silicate clays (Nanomer I.30E, Cloisite 30B and Nanofil SE 3000) on the exfoliation process and on the thermal properties and nanostructure of cured trifunctional ... -
Bioactive edible films based on arrowroot starch incorporated with cranberry powder: microstructure, thermal properties, ascorbic acid content and sensory analysis
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-11)
Article
Open AccessThe growing global awareness about environmental preservation has stimulated the search for alternatives to replace conventional plastics made from fossil sources. One of the advantages is using polymers from renewable ... -
Calorimetría diferencial de barrido de sustratos de poliéster y poliamida 6 tratados térmica e hidrotérmicamente
(Instituto de Investigación Textil y Cooperación Industrial, 2005-01)
Article
Open AccessSustratos de poliéster y poliamida 6 han sido tratados térmicamente e idrotérmicamente simulando tratamientos térmicos con calor seco (termofijado) y en medio húmedo (tintura) tal y como son sometidos en su procesado ... -
Composition determination of rubber blends by applying differential scanning calorimetry and SPA-PLS treatment
(2019-01-07)
Article
Open AccessThis paper proposes an innovative approach to determine the composition of natural rubber (NR) and styrene butadiene rubber (SBR) blends from the analysis of the data provided by the differential scanning calorimetry (DSC) ... -
Crystalline tetrazepam as a case study on the volume change on melting of molecular organic compounds
(2021-01-25)
Article
Open AccessThe volume change on melting is a rarely studied quantity and it is not well understood even if it must reflect the changes in interaction between the solid and the liquid state. It is part of the solid-state information ... -
Densification: A route towards enhanced thermal conductivity of epoxy composites
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01)
Article
Open AccessWhen an amorphous polymer is cooled under pressure from above its glass transition temperature to room temperature, and then the pressure is released, this results in a densified state of the glass. This procedure applied ... -
Determinación de la temperatura de termofijado del poliéster mediante análisis termomecánico
(Instituto de Investigación Textil y Cooperación Industrial, 2004-01)
Article
Open AccessLa determinación de la temperatura efectiva del tratamiento térmico aplicado a sustratos de poliéster en el procesado textil ha sido ampliamente estudiada mediante calorimetría diferencial de barrido (DSC). En este trabajo, ... -
Determination of the glass transition temperature: methods correlation and structural heterogeneity
(2009-12)
Article
Restricted access - publisher's policyThe definition of the glass transition temperature, Tg, is recalled and its experimental determination by various techniques is reviewed. The diversity of values of Tg obtained by the different methods is discussed, with ... -
Efectes calòrics en l’estat sòlid induïts per camps hidrostàtics
(Universitat Politècnica de Catalunya, 2014-09)
Master thesis (pre-Bologna period)
Open AccessAquest projecte s’emmarca en la fase d’investigació fonamental dels efectes calòrics resultants de l’aplicació d’un camp hidrostàtic. L’objectiu és valorar les mostres seleccionades com a possibles candidates per a futures ... -
Enhancement in the glass transition temperature in latent thiol-epoxy click cured thermosets
(2015-01-01)
Article
Open AccessTri and tetrafunctional thiol were used as curing agent for diglycidyl ether of bisphenol A (DGEBA) catalyzed by a commercially available amine precursor, LC-80. Triglycidyl isocianurate (TGIC) was added in different ... -
Epoxy composites filled with boron nitride and aluminum nitride for improved thermal conductivity
(2017-03-03)
Article
Restricted access - publisher's policyEpoxy composites containing boron nitride (BN) or aluminum nitride (AlN or Al2N3) particles have been studied with a view to obtaining increased thermal conductivity. The effect of these fillers on the cure reaction has ... -
Epoxy composites filled with boron nitride: cure kinetics and the effect of particle shape on the thermal conductivity
(Springer, 2020-05-25)
Article
Open AccessThermally conducting and electrically insulating materials have been prepared by filling an epoxy–thiol system with boron nitride (BN) particles of different shapes (platelets and agglomerates) and sizes (from 2 to 180 ... -
Estructura fina de poliéster de diferente uso final
(Instituto de Investigación Textil y Cooperación Industrial, 2002-07)
Article
Open AccessCinco fibras de poliéster PET para textiles de diferentes usos finales y fabricadas por una misma productora han sido caracterizadas determinando su peso molecular, cristalinidad por calorimetría diferencial, solubilidad ... -
Estudi sobre la influència de la fibra reciclada de polièster sobre la intensitat de color
(Universitat Politècnica de Catalunya, 2022-02-03)
Bachelor thesis
Restricted access - author's decisionLa producció de fibres de polièster ha estat present i en augment des de la seva sortida al mercat l’any 1951, sent una de les fibres amb major nombre d’aplicacions. Tot i les grans avantatges que ofereix, el procés ... -
Estudio de la estructura fina de fibras texturadas de poliamida 6.6. Sorción de yodo y cristalinidad
(Institut d'Investigació Tèxtil i Cooperació Industrial de Terrassa. Universitat Politècnica de Catalunya (UPC), 2010)
Article
Open AccessEn este trabajo, se estudian las variaciones de estructura fina de las fibras de poliamida 6.6. Con este fin, la técnica de sorción de yodo, utilizada en general para la caracterización de la estructura fina de las fibras ... -
Fluorescent thiol-epoxy thermosets obtained from diglycidylether of bisphenol A and carbazole based diepoxy monomer
(2017-07-01)
Article
Open AccessA new epoxy resin containing carbazole moieties was synthesized and added in several proportions to diglycidylether of bisphenol A (DGEBA) and trimethylolpropane tris(3-mercaptopropionate) (TTMP) formulations that were ... -
Fragility and glass-forming ability of the Ca-Mg-Cu system
(Elsevier, 2007-05-31)
Article
Open AccessElastic moduli of the glass and fragility of the corresponding supercooled liquid were found to be correlated in recently published results. In the present work, compositions within the Ca–Mg–Cu system are used to study ... -
Giant barocaloric effects at low pressure in ferrielectric ammonium sulphate
(2015-11-01)
Article
Open AccessCaloric effects are currently under intense study due to the prospect of environment-friendly cooling applications. Most of the research is centred on large magnetocaloric effects and large electrocaloric effects, but the ... -
Heat sink avalanche dynamics in elastocaloric Cu-Al-Ni single crystal detected by infrared calorimetry and Gaussian filtering
(2021-10-11)
Article
Open AccessThe physics behind the cooling process occurring in an elastocaloric Cu–Al–Ni wire during the martensite to austenite transition after stress release is studied. A previous experiment using infrared imaging determined the ... -
Highly exfoliated nanostructure in trifunctional epoxy/clay nanocomposites using boron trifluoride as initiator
(Wiley, 2014-03-15)
Article
Open AccessEpoxy/clay nanocomposites based upon a trifunctional epoxy resin, triglycidyl p-amino phenol (TGAP), have been prepared by intercalating an initiator of cationic homopolymerization, a boron trifluoride monoethylamine ...
