Browsing by Subject "Polímers"
Now showing items 1-20 of 244
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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)
Article
Open AccessA 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 ... -
A green strategy for the synthesis of poly(ethylene succinate) and its copolyesters via enzymatic ring opening polymerization
(2017-10)
Article
Restricted access - publisher's policyPoly(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 ... -
Amphiphilic ionic complexes of hyaluronic acid with organophosphonium compounds and their antimicrobial activity
(2018-01-01)
Article
Restricted access - publisher's policyAmphiphilic 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, ... -
A multi-step template-assisted approach for the formation of conducting polymer nanotubes onto conducting polymer films
(2016-04-25)
Article
Open AccessAfter 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 ... -
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)
Minor thesis
Open Access[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 ... -
A new method to obtain information about the pore size distribution in microporous polymeric membranes
(2008-03)
Article
Restricted access - publisher's policyTransport 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 ... -
Antennas based on low-cost thermoplastic polymer substrates for communication in the industrial, scientific and medical radio band
(2019-05-10)
Article
Open AccessThis 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)
Article
Open Access© 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)
Article
Open AccessThe 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)
Bachelor thesis
Open AccessL’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)
Master thesis (pre-Bologna period)
Open AccessL'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 ... -
Aplicación de polímeros electroactivos a la protección de la corrosión metálica por aditivación de pinturas alquídicas
(Universitat Politècnica de Catalunya, 2010-06-17)
Master thesis (pre-Bologna period)
Open AccessL'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 ... -
Application of the miniature small punch test for the mechanical characterization of polymer materials
(2016-12-01)
Article
Open AccessThe aim of this paper is to demonstrate the applicability of the Small Punch Test (SPT) in the mechanical characterization of polymers, following previous achievements in metallic materials. For this purpose, different ... -
Aromatic ionene topology and counterion-tuned gelation of acidic aqueous solutions
(2017-04-28)
Article
Open AccessUnusual gelation of acidic solutions was achieved using polycations bearing quaternary ammonium moieties. These ionene polymers are based on a disubstituted phenylene dibenzamide core, which allows the construction of ... -
Aromatic Polyesters from Cyclic Diacetalized Glucose
(Universitat Politècnica de Catalunya, 2010-06)
Master thesis
Restricted access - author's decisionThe development of polymers based on monomers from renewable feedstock, and more specifically from carbohydrates, is a steadily growing field of interest because of the properties that can generate these unique structures. ... -
Assembly of Conducting Polymer and Biohydrogel for the Release and Real-Time Monitoring of Vitamin K3
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-28)
Article
Open AccessIn this work, we report the design and fabrication of a dual-function integrated system to monitor, in real time, the release of previously loaded 2-methyl-1,4-naphthoquinone (MeNQ), also named vitamin K3. The newly developed ... -
Assessing the performance of CFRP strengthening on masonry walls using experimental modal analysis
(Elsevier, 2019-08-15)
Article
Open AccessStrengthening masonry structures using FRP laminates has been widely studied from a resistance point of view. However, there is a need of a non-destructive technique to validate strengthening interventions. In this paper, ... -
A study of etching conditions and resolution power of plastic detector CR-39
(Pergamon Press, 1984)
Article
Open AccessTwo 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 ... -
Atomistic simulations of the structure of highly crosslinked sulfonated poly(styrene-co-divinylbenzene) ion exchange resins
(2015-01-01)
Article
Open AccessThe microscopic structures of highly crosslinked sulfonated poly(styrene-co-divinylbenzene) resins have been modeled by generating atomistic microstructures using stochastic-like algorithms, which are subsequently relaxed ... -
Bent-rod liquid crystal dimers: synthesis and mesomorphic properties
(Royal Society of Chemistry, 2014-01-01)
Article
Restricted access - publisher's policyThe synthesis and characterization of three bent-rod dimers are reported. Very long flexible spacers that include methylene units and either a phenyl ring or a triazole moiety as connecting structures join the bent-and ...
