Concept

Polyester

Publications associées (182)

Photo-polymerized epoxy primer for adhesion improvement at thermoplastics/metallic wires interfaces

We report results on the development of an innovative fast-curing coupling method using a UV-curable epoxy primer based on a cycloaliphatic di-epoxide resin to bond metallic wires and a thermoplastic polyurethane matrix. The curing kinetics of the primer a ...

Elsevier Sci Ltd2013

Accelerated bacterial inactivation obtained by HIPIMS sputtering on low cost surfaces with concomitant reduction in the metal/semiconductor content

César Pulgarin, Juan Kiwi, Sami Rtimi, Oualid Baghriche

Novel ultrathin TiO2-Cu nanoparticulate films sputtered by highly ionized pulsed plasma magnetron sputtering (HIPIMS) lead to faster bacterial inactivation compared to more traditional sputtering approaches with an appreciable metal saving. HIPIMS sputteri ...

RSC Publishing2013

RF-plasma pretreatment of surfaces leading to TiO2 coatings with improved optical absorption and OH-radical production

César Pulgarin, Juan Kiwi, Christophe Roussel, Sami Rtimi, Oualid Baghriche

Evidence is presented for the RF pretreatment of polyester enhances the TiO2 coating generation of oxidative species/radicals under a low level actinic light irradiation. After 30 min RF-plasma pretreatment of the polyester samples, the fastest bacterial i ...

Elsevier2013

Coupling of narrow and wide band-gap semiconductors on uniform films active in bacterial disinfection under low intensity visible light: Implications of the interfacial charge transfer (IFCT)

César Pulgarin, Juan Kiwi, Sami Rtimi, Rosendo Sanjines

This study reports the design, preparation, testing and surface characterization of uniform films deposited by sputtering Ag and Ta on non-heat resistant polyester to evaluate the Escherichia coil inactivation by TaON, TaN/Ag, Ag and TaON/Ag polyester. Co- ...

Elsevier2013

Rational development of an electron-rich platinum nanocatalyst for the oxidation of 5-hydroxymethylfurfural into 2,5-furandicarboxilic acid under mild conditions

Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Georgios Savoglidis, Sviatlana Siankevich

Valorization of lignocellulosic biomass for the production of commodity chemicals using various chemical methods continues to attract considerable attention. A wide and diverse range of different chemicals can be obtained from biomass and many different do ...

2013

Surface Modification of Polyimide Thin Films for Peripheral Invasive Neural Interfaces

Silvestro Micera

Despite recognized as one key component for establishing a functional electrical connection with nerves, neural invasive peripheral interfaces are still not optimal for long-term applications in humans. An improvement in the field of biocompatible and nont ...

Asme2013

Shape memory polymers with controlled time-dependent shape recovery

Charly David Azra

The aim of this thesis has been to investigate the use of heat-activated shape memory polymers (SMPs) as novel smart actuators for the controlled delivery of fluids and their suitability for applications such as low-cost drug delivery. On heating to temper ...

EPFL2013

Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) feedstock development and optimization for thermoplastic forming of thin planar and tubular oxygen separation membranes

Stefan Diethelm

This paper presents the processing steps for producing thin planar and tubular oxygen separation membranes by thermoplastic forming of Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) with polystyrene (PS) and stearic acid (SA) as binder. The influence of powder conten ...

Elsevier Science Bv2013

Functional, Hyperbranched Polyesters Via Baylis-Hillman Polymerization

Harm-Anton Klok, Frederik Roman Wurm, Sanhao Ji

Hyperbranched polyesters are among the most common hyperbranched polymers. One of the interesting features of hyperbranched polyesters is that they contain unreacted hydroxyl and carboxylic acid groups at the linear and terminal structural units, which can ...

2012

Antibacterial Ag-ZrN surfaces promoted by subnanometric ZrN-clusters deposited by reactive pulsed magnetron sputtering

César Pulgarin, Juan Kiwi, Rosendo Sanjines, Oualid Baghriche

Ag-ZrN films were deposited on polyester by direct current pulsed magnetron sputtering (from now on DCMSP) in Ar + N-2 atmosphere. ZrN on the polyester surface interacts with Ag leading to Ag-ZrN films. These composite films were more active in Escherichia ...

2012

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