Showing papers in "European Polymer Journal in 2006"

TL;DR: In this paper, the state-of-the-art of polymer electrolytes in view of their electrochemical and physical properties for the applications in lithium batteries is reviewed, and the ionic conductivity, morphology, porosity and cycling behavior of PVdF-HFP membranes prepared by phase inversion technique with different non-solvents have been presented.

TL;DR: In this article, halloysite nanotubes (HNTs) with hollow nanotubular structures were used as a new type filler for poly(propylene) (PP).

TL;DR: Biodegradable poly(L-lactide) (PLA) ultrafine fibers containing nanosilver particles were prepared via electrospinning and showed antibacterial activities (microorganism reduction) against Staphylococcus aureus and Escherichia coli because of the presence of the silver nanoparticles.

TL;DR: In this article, the apatite layer was assessed using scanning electronic microscope (SEM), X-ray diffraction (XRD), Fourier-Transformed Infrared spectroscopy (FTIR), and weight measurement.

TL;DR: In this paper, poly(lactide-co-glycolide) (PLGA) and chitosan/poly(vinyl alcohol) (PVA) were simultaneously electrospun from two different syringes and mixed on the rotating drum to prepare the nanofibrous composite membrane.

TL;DR: In this article, low pressure glow discharge O 2 plasma has been used to increase wettability in a LDPE film in order to improve adhesion properties and make it useful for technical applications.

TL;DR: In this paper, composite polymer electrolyte (CPE) membranes, comprising of poly(vinylidene fluoride-hexafluoropropylene) (PVdF-HFP), aluminum oxyhydroxide, (AlO[OH]n) of two different particle sizes 7μm/14nm and LiN(CF3SO2)2 as lithium salt were prepared using solution casting technique.

TL;DR: In this paper, a series of polylactide polyurethanes (PLAUs) were synthesized from poly( l -lactides) diols, hexamethylene diisocyanate (HDI), and 1,4-butanediol (BDO), and their thermal and mechanical properties and shape-memory behavior were studied by infrared spectroscopy (IR), differential scanning calorimetry (DSC), wide angle X-ray diffraction (WAXD), tensile testing, and thermal mechanical analysis.

TL;DR: In this paper, an electric field concentration factor (EFCF) was introduced to predict stability of spun jets, which could be defined as a degree of a convergence of jets to a spinning axis.

TL;DR: In this article, the effect of different techniques on the electric properties (dielectric constant, dielectric losses, and complex electric modulus) of the corresponding emeraldine base has been studied.

TL;DR: The influence of two concentrations of clay nanoparticles on the nonisothermal crystallization behavior of intercalated polypropylene-clay nanocomposites is investigated in this paper.

TL;DR: In this article, a series of novel hyperbranched polyurethane copolymer (HB-PUPCM) was used as a chain extender for polymeric solid-solid phase change heat storage material, and the phase transition behaviors and morphology of the HB was investigated using differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMA), thermo-gravimetric analysis (TGA), wide-angle X-ray diffraction (WAXD), polarizing optical microscopy (POM), and tapping-mode atomic

TL;DR: In this paper, a new type of stimuli-responsive organic/inorganic nano-composite hydrogel was prepared by introducing fibrillar attapulgite into poly(2-hydroxyethyl methacrylate-co-poly(ethylene glycol) methyl ether methcarrylate co-methacrylic acid) network, which worked as the crosslinker instead of conventional chemical cross-linker.

TL;DR: In this article, Monte Carlo simulations, experimental titrations and fluorescence correlation spectroscopy experiments were used to investigate the conformational and electrical properties of polyacrylic acids (PAA).

TL;DR: In this paper, free-radical polymerization in aqueous solution from N-isopropylacrylamide (NIPA)-co-AAm monomers was used as a crosslinker and the diffusion coefficients of these hydrogels were calculated for the Fickian mechanism.

TL;DR: The phase equilibrium boundaries of the membrane forming system, water/triethyl phosphate (TEP)/PVDF, at 25°C were determined experimentally using cloud-point and equilibrium absorption methods as mentioned in this paper.

TL;DR: In this article, the dispersion and interfacial compatibility of nano-SiO 2 particles in PVC matrix was characterized by SEM, which indicated that DDS had a better dispersion, compatibility and robustness than UTS but worse than KHS.

TL;DR: In this article, partially sulfonated poly(etheretherketone) (SPEEK) samples were prepared by modification of corresponding poly-etherethketone (PEEK) with concentrated sulfuric acid and evaluated as polymer electrolytes for direct methanol fuel cells.

TL;DR: In this paper, the average pore size in the structure was found to vary with the selected vent time and the final microstructure was a combination of open and closed cells, consistent with the observation of lamellar textures on the inner surface of the pores.

TL;DR: Wool fiber was modified by steam explosion in this article, and the reduction in thermal decomposition energy of the treated fiber indicates that steam explosion might have destroyed some crystals and crosslinks of macromolecular chains in the fiber.

TL;DR: In this paper, single-walled carbon nanotubes (SWNTs) and SiC nanoparticles were dispersed in natural rubber (NR) polymer solution and subsequently evaporated the solvent to prepare NR nanocomposites using this technique, nanoparticles can be better dispersed in the NR matrix.

TL;DR: In this paper, the authors describe the mechanical reclaiming of ground rubber tire (GRT) by tetra methyl thiuram disulfide (TMTD), a multi-functional reclaiming agent.

TL;DR: In this article, the effects of electrospinning process parameters such as solution concentration, voltage and tip-to-collector distance on the morphology and the average size of the electrospun fibers were also studied.

TL;DR: In this paper, the role of bis-(3-triethoxysilylpropyl) tetrasulfane and 3-thiocyanatopropyl triethoxy silane (Si-264) was studied in silica-filled polychloroprene.

TL;DR: In this paper, the effect of OMMT on polyamide 6 (PA6)/maleated styrene-ethylene/butylene-styrene (mSEBS) was investigated.

TL;DR: In this paper, the structure and morphology of polypropylene/conductive graphite composites were studied by wide angle X-ray diffraction, small-angle Xray scattering and scanning electron microscopy.

TL;DR: In this paper, the effect of calcium carbonate nanoparticles on the crystallization of isotactic polypropylene (iPP) was analyzed and two types of compatibilizer (polypropylene-g-maleic anhydride copolymer, or fatty acids) were used to improve dispersion and adhesion with the polymer matrix.

TL;DR: In this paper, the authors summarize and analyze the currently available small-molecule data, both experimental and theoretical, that is relevant to chain-length-dependent propagation in free-radical polymerization (FRP).

TL;DR: In this article, various thermoplastic segmented polyurethanes were synthesized by a one-step melt polymerization from aliphatic-aromatic α,ω-diols containing sulfur in the alphatic chain, including 4, 4′-(ethane-1,2-diyl)bis(benzenethioethanol), 4,4′-(et alphaxylmethane diisocyanate) and 20−80% poly(oxytetramethylene)diol (PTMO) with molecular weight

TL;DR: In this paper, a polymer electrolyte based on poly N-vinyl pyrrolidone (PVP) and ammonium thiocyanate (NH4SCN) with different compositions have been prepared by solution casting technique.