Listar por tema "Polímers"
Mostrando ítems 1-20 de 402
-
3D-printed polymer-infiltrated ceramic network with biocompatible adhesive to potentiate dental implant applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-09-23)
Artículo
Acceso abiertoThe aim of this work was to prepare and characterize polymer–ceramic composite material for dental applications, which must resist fracture and wear under extreme forces. It must also be compatible with the hostile environment ... -
A green strategy for the synthesis of poly(ethylene succinate) and its copolyesters via enzymatic ring opening polymerization
(2017-10)
Artículo
Acceso abiertoPoly(ethylene succinate) (PES) with weight-average molecular weight above 60,000 g mol-1 was efficiently obtained by enzymatic ring opening polymerization of cyclic oligo(ethylene succinate)s c(ES)n, which in turn were ... -
A multi-step template-assisted approach for the formation of conducting polymer nanotubes onto conducting polymer films
(2016-04-25)
Artículo
Acceso abiertoAfter exhibiting the important limitations of the template-assisted approach when electropolymerization on simple stainless steel electrodes and electrospinning of insulating polymeric templates are combined, hollow ... -
A new method to obtain information about the pore size distribution in microporous polymeric membranes
(2008-03)
Artículo
Acceso restringido por política de la editorialTransport measurements of selected fluids through porous membranes provide information on precise statistical moments of the membrane pore-size distribution (PSD). It is assumed that membrane porosity, ~T,is distributed ... -
A phosphonated poly(ethylenedioxythiophene) derivative with low oxidation Potential for energy-efficient bioelectronic devices
(American Chemical Society, 2021-12-28)
Artículo
Acceso restringido por política de la editorialOrganic electrochemical transistors (OECTs) for bioelectronic applications require the design of conjugated polymers that are stable in aqueous environments and afford high energy efficiency and good performance in OECTs. ... -
A study of etching conditions and resolution power of plastic detector CR-39
(Pergamon Press, 1984)
Artículo
Acceso abiertoTwo Pershore Stacks (32 h cure cycle and 1% DOP and 96 h cure cycle and no additive) have been exposed to the Berkeley Bevalac Argon beam at 285 MeV/nuc and 425 MeV/nuc, respectively. Optimum previous termetching conditionsnext ... -
Acción de los polímeros de carboxilato en el lavado sin fosfatos de tejido de algodón aprestado.
(Instituto de Investigación Textil y Cooperación Industrial, 1998-07)
Artículo
Acceso abiertoA partir de un tejido de algodón sin apresto y aprestado con la resina DMDHEU, se evaluó la eficiencia detersiva a 25°HF obtenida con la inclusión de los copolímeros de ácido acrílico/ácido maléico (sal de sodio) y zeolita ... -
Acetoacetate based thermosets prepared by dual-Michael addition reactions
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
Artículo
Acceso abiertoA novel set of dual-curable multiacetoacetate-multiacrylate-divinyl sulfone ternary materials with versatile and manipulable properties are presented. In contrast to common dual-curing systems, the first stage polymer ... -
Actuator behaviour of tailored poly(Thiourethane) shape memory thermosets
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-01)
Artículo
Acceso abierton this work, a new family of poly(thiourethane) shape memory thermosetting actuators was developed and characterized. These materials can be easily prepared from mixtures of two different aliphatic diisocyanates and a ... -
Aliphatic polyamides (nylons): Interplay between hydrogen bonds and crystalline structures, polymorphic transitions and crystallization
(Wiley, 2021-08-13)
Artículo
Acceso abiertoAliphatic polyamides (nylons) constitute a family of polymers with outstanding properties and multiple applications. Despite the intensive research studies carried out with nylons, there are still multiple unsolved questions ... -
Amphiphilic ionic complexes of hyaluronic acid with organophosphonium compounds and their antimicrobial activity
(2018-01-01)
Artículo
Acceso abiertoAmphiphilic ionic complexes of hyaluronic acid and alkyltrimethylphosphonium soaps with alkyl chains containing even numbers of carbons from 12 to 22 have been produced. The complexes have a nearly stoichiometric composition, ... -
An amphiphilic, heterografted polythiophene copolymer containing biocompatible/biodegradable side chains for use as an (electro)active surface in biomedical applications
(2019-09-28)
Artículo
Acceso abiertoGiven that the copolymers of complex topology and composition are at the forefront of multifunctional materials research, this work reports aboutan amphiphilic random, heterografted copolymer of ... -
An overview of the methods to characterise human bone tissue with particular reference to osteoporosis
(Universitat Politècnica de Catalunya, 2018-10-31)
Trabajo final de grado
Acceso abiertoThe goal of this work is to make an overview of the current methods that allow bone quality assessment, its advantages and drawbacks, as well as its application in the treatment of diseases such as osteoporosis. -
Anàlisi de la contribució a tallant dels reforços exteriors amb laminats de polímers reforçats amb fibres (FRP) en bigues de formigó armat
(Universitat Politècnica de Catalunya, 2012-07)
Tesina
Acceso abierto[ANGLÈS] (...) Nowadays, the existing guides and recommendations propose calculating shear capacity by adding the contribution of the concrete and the passive reinforcement. In FRP reinforced elements, existing models ... -
Análisis de la fricción con el terreno de refuerzos poliméricos variando su geometría
(Universitat Politècnica de Catalunya, 2021-06-20)
Trabajo final de grado
Acceso abiertoUn mur de sòl reforçat consisteix en un parament vertical habitualment de formigó que suporta l'empenta de el terreny gràcies a uns ancoratges que s'introdueixen al terreny. Aquesta solució és àmpliament utilitzada en ... -
Antennas based on low-cost thermoplastic polymer substrates for communication in the industrial, scientific and medical radio band
(2019-05-10)
Artículo
Acceso abiertoThis work addresses the design guidelines, manufacturing process and experimental test of several antennas based on low cost and low loss thermoplastic polymer substrates. The proposed antennas are based on patch topologies ... -
Antibacterial films made of ionic complexes of poly(y-glutamic acid) and ethyl lauroyl arginate
(2017-12-24)
Artículo
Acceso abierto© 2017 by the author. The biocide agent LAE (ethyl aN-lauroyl l-arginate chloride) was coupled with poly(y-glutamic acid) (PGGA) to form stable ionic complexes with LAE:PGGA ratios of 1 and 0.5. The nanostructure adopted ... -
Antimicrobial activity of poly(ester urea) electrospun fibers loaded with bacteriophages
(2018-06-01)
Artículo
Acceso abiertoThe capacity to load bacteriophages into electrospun nanofibers of two representative biocompatible polymers has been evaluated, paying special attention to the possibility of preserving their antibacterial activity. ... -
Aplicació informàtica per a la construcció de matrius polimèriques amorfes d'alta densitat
(Universitat Politècnica de Catalunya, 2018-01)
Trabajo final de grado
Acceso abiertoL’objectiu d’aquest projecte ha sigut iniciar el desenvolupament d’un programa que sigui capaç de construir matrius polimèriques amorfes d’alta densitat. Les matrius polimèriques poden estar compostes de cadenes molt ... -
Aplicación de polímeros electroactivos a la protección de la corrosión metálica por aditivación de pinturas alquídicas
(Universitat Politècnica de Catalunya, 2010-06-17)
Proyecto/Trabajo final de carrera
Acceso abiertoL'objectiu d'aquest projecte és comparar i estudiar el comportament davant la corrosió marina de xapes metàl·liques d'acer pintades amb una pintura d'imprimació comercial de tipus alquídica. La formulació de la imprimació ...
