Showing papers in "European Polymer Journal in 2009"

TL;DR: A review of the existing studies on the permeability of gas molecules in nanocomposite materials that consist of inorganic platelet-shaped fillers in polymeric matrices is presented in this paper.

TL;DR: In this paper, the authors reviewed the literature dedicated to this topic over the past six decades and presented the experimental evidences, which characterize the Mullins softening, observed in filled rubbers and crystallizing pure gum.

TL;DR: In this paper, an overview of the main results obtained in the treatment of various suspensions and solutions is given, and the effects of the characteristics of the chitosan used and the conditions in solution on the coagulation/flocculation performance are also discussed.

TL;DR: In this article, the lignin was extracted from white pine sawdust by organosolv-extraction using hot-compressed ethanol-water co-solvent.

TL;DR: In this article, poly( l -lactide) was melt-blended with acrylonitrile-butadiene-styrene copolymer (ABS) with the aim of enhancing impact strength and elongation at break of PLLA, but not sacrificing its modulus and stiffness significantly.

TL;DR: In this article, high conductivity of poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) (PEDOT/PSS) microfibers were fabricated by wet-spinning and subsequent dip-treatment in ethylene glycol.

TL;DR: In this paper, the physic-chemical interactions responsible for the unique polyurethane properties have been evaluated by total attenuated Fourier transform infrared spectroscopy (ATR-IR) in the amide I region using a Gaussian deconvolution technique and, on the other hand, atomic force microscopy (AFM) has been employed to determine the phase microstructures.

TL;DR: In this article, the compatibility, phase structure, and component interaction of poly(lactic acid) (PLA) and glycidyl methacrylate grafted poly(ethylene octane) (GMA-g-POE denoted as mPOE) blend by Fourier transform infrared (FTIR) spectra, dynamic mechanical analysis (DMA), scanning electron microscopy (SEM), and wide-angle X-ray diffraction (WAXD), respectively.

TL;DR: In this paper, the main product in the glycolysis process was the bis(hydroxyethyl terephthalate (BHET) monomer, and a detailed reaction mechanism was proposed.

TL;DR: In this paper, the synthesis of renewable resources based monomer 2,5-diformylfuran (DFF) and urea at 110°C by melting a solid mixture gives a crystalline polymer resin in 90% yield.

TL;DR: In this paper, the authors reported the modification of thermoplastic polyurethanes (TPUs) in order to enlarge their application range, for example, as biomaterials by increasing its hydrophilicity.

TL;DR: In this article, the effect of the addition of up to 25 wt% plasticizer on the thermo-mechanical properties of PLA was investigated and the results were correlated with particular attention to the relationship between properties and applications.

TL;DR: In this paper, a co-reaction network composed of triazine ring as a part of polybenzoxazine matrix is postulated to enhance the high temperature stability of poly benzoxazine.

TL;DR: In this article, the tensile behavior of nylon 6 films has been investigated in relation to water content, and it was shown that both yield stress value and hardening behavior over a large strain domain are strikingly equivalent for samples drawn at same ΔT between draw temperature Td and main amorphous relaxation temperature Tα.

TL;DR: In this article, the X-ray diffraction and differential scanning calorimeter data indicate that the composites with high aspect ratio of MWNT have the β phase structure at the MWNT loading level of 2.0wt%, and have a mixture of α and β phase below 2wt% MWNT.

TL;DR: In this paper, allyl, acrylate, and vinyl ether derivatives of castor oil were synthesized and blended with multifunctional thiols for evaluation as thiol-ene ultraviolet (UV) curable systems.

TL;DR: In this article, supercritical fluid impregnation was tested to prepare a new scaffold loaded with a bioactive compound, which is used in osteogenic media to direct the differentiation of stem cells towards the osteogenic lineage.

TL;DR: In this paper, a new restricted access materials combined to molecularly imprinted polymers (RAM-MIP) with hydrophilic external layer were prepared and their applicability in p-acetaminophenol (AMP) selective recognition and release was evaluated.

TL;DR: The influence of poly(ethylene glycol) (PEG) plasticiser content and molecular weight on the physicochemical properties of films cast from aqueous blends of poly (methyl vinyl ether-co-maleic acid) was investigated using thermal analysis, swelling studies, scanning electron microscopy (SEM) and attenuated total reflectance (ATR)-Fourier transform infrared (FTIR) spectroscopy as discussed by the authors.

TL;DR: In this paper, the hardness of the nanocomposites composed of the heat treated clay powder dramatically increased as a function of clay content, which is attributed to the homogeneous dispersion of the nano-fillers in the polymer matrix and strong filler-polymer interactions.

TL;DR: In this paper, photo-active moiety, benzophenone, was incorporated onto cotton fabrics by using butyl tetracarboxylic acids (BTCA), and grafting of polyacrylamide on the cotton fabrics was performed by exposing the fabrics to longer UV wavelength irradiation.

TL;DR: In this article, a series of hydroxy-containing phthalonitrile model compounds (HPNM) with 1:1 molar ratio of the hydroxy group to the phthalinitrile unit were successfully synthesized and the thermal properties of the cured products were characterized by thermogravimetric analysis.

TL;DR: In this article, the use of an epoxidized fatty acid ester (EFAE) as a natural-based plasticizer for plasticized PVC (P-PVC) has been evaluated by following several test techniques such as mechanical properties, thermal behavior, color changes, solvent migration and microstructure.

TL;DR: In this paper, the morphology and thermo-mechanical behavior of nanocomposites formed by a polycarbonate (PC) matrix and polyhedral oligomeric silsesquioxane with phenethyl substituents (Ph-POSS) have been studied.

TL;DR: In this article, the presence of cyclodextrin (CD) functionalized polyethylene oxide (PEO) nanofibers with the ultimate goal to develop functional nanowebs was successfully synthesized by means of electrospinning technique.

TL;DR: In this article, a mesoporous silica was blended with polyimide to develop low dielectric constant (k) materials with improving mechanical and thermal properties of polyimides by utilizing both the nanoporous structure and silica framework.

TL;DR: In this article, a transparent organic-inorganic nanocomposites were synthesized from sulfonic acid-modified poly(bisphenol A carbonate) (SPC) and TiO2 or ZrO2 nanoparticles.

TL;DR: In this article, the dielectric properties of styrene-acrylonitrile (SAN) and graphite sheets (GS) composites were analyzed in the low and high frequency ranges.

TL;DR: In this article, N -( o -ethylbenzyl)chitosan derivatives were used as antimicrobial agents against the crown gall disease Agrobacterium tumefaciens (Family: Rhizobiaceae; Class: Alpha Proteobacteria) and the soft mold disease Erwinia carotovora by the nutrient agar dilution method.

TL;DR: A series of PTT-b-PEO copolymers with different composition of rigid PTT and PEO flexible segments were synthesized from dimethyl terephthalate (DMT), 1,3-propanediol (PDO), poly(ethylene glycol) (PEG, Mn = 1000 g/mol) in a two stage process involving transesterification and polycondensation in the melt.