Showing papers in "European Polymer Journal in 2011"

TL;DR: The use of natural and/or biodegradable plasticizers, with low toxicity and good compatibility with several plastics, resins, rubber and elastomers in substitution of conventional plasticizers attracted the market along with the increasing worldwide trend towards use of biopolymers.

TL;DR: In this paper, the authors provide an overview of the present situation with special attention to the use of olefin metathesis and thiol-ene chemistry as synthetic methods and as polymerization techniques.

TL;DR: In this article, halogen-free, phosphorus-based oligomeric flame retardants are investigated in the commercial epoxy resin RTM6 and ∼70.6% carbon fiber RTM 6 composites with respect to pyrolysis and fire behaviour.

TL;DR: In this paper, the synthesis, properties and applications of magnetic polymer beads are described and state-of-the-art, future challenges, and promising trends in this field are analyzed.

TL;DR: In this article, the effect of crystal polymorphism on barrier and mechanical properties of PLLA is detailed in terms of X-ray diffraction and annealing quenched PLLAs at different temperatures.

TL;DR: In this paper, a solvent mixture formic acid/acetic acid was found to allow for nanofibres with a diameter 10 times smaller than the solvent chloroform, and steady state conditions could be obtained which thus allow electrospinning in a stable and reproducible way.

TL;DR: In this article, a reactive blending of anhydride-grafted PLA (MAG-PLA) copolymer with PEG, with chains terminated with hydroxyl groups, was performed.

TL;DR: In this article, the micro phase separated nanoscale morphology of phase separated polyurethanes (PUs) was visualized by atomic force microscopy (AFM) height and phase imaging of smooth surfaces obtained by ultramicrotonomy.

TL;DR: This mini-review describes recent work in the field of glycopolymer synthesis, with a focus on methods that have employed “click chemistry” and controlled polymerization methodology.

TL;DR: In this paper, the percolation concentration of the composites prepared by solvent method is less than those of melt blended method, while the mechanical performance of the composite material is higher than melt blended.

TL;DR: In this paper, the authors provide a survey of conventional and unconventional lithography techniques used to fabricate complex micro-and nano-structured surfaces, including printing, molding, and embossing.

TL;DR: In this paper, a durable antibacterial Ag/polyacrylonitrile (Ag/PAN) hybrid nanofibers were prepared by atmospheric plasma treatment and electrospinning.

TL;DR: In this article, all-aliphatic polycarbonate-based polyurethane (PC-PU) elastomers, as well as PC-PU nanocomposites filled with organic modified clays were synthesized, characterized and studied.

TL;DR: Aromatic polyimides were prepared by polycondensation reaction of two aromatic diamines, such as 4,4′-diaminodiphenylmethane (DDM) and 3,3′-dimethyl-4, 4′-Diaminode-morphosopropylidene-bis (phthalic anhydride) as discussed by the authors.

TL;DR: In this article, the pyrolysis and the flame-retardancy properties of aluminium phosphinate (AlPi) in combination with nanometric iron oxide and antimony oxide on a poly(3-hydroxy-butyrate-co-3 -hydroxyvalerate) (PHBV/PBAT) blend were investigated.

TL;DR: In this paper, the influence of ionic liquid on carbon nanotube based elastomeric composites was studied and shown to increase the electrical conductivity and polarisability of the composites.

TL;DR: In this paper, the authors review the utilization of block copolymers for the controlled synthesis and stabilization of metal nanoparticles, which can provide nanoscale environments of varying and tunable shape, dimensions, mobility, local polarity, concentration, and reactivity.

TL;DR: In this paper, the properties of poly-hydroxybutyrate (PHB) with different valerate contents (5, 12, and 20%) and varying in molecular weights were characterized.

TL;DR: In this paper, a polyethylene nanocomposites containing silver nanoparticles with antimicrobial properties were produced via in situ polymerization, and the effect of various silver nanoparticle contents on silver ion release and antimicrobial efficacy against Escherichia Coli were studied.

TL;DR: In this paper, an electroresponsive transdermal drug delivery system was prepared by electrospinning of poly(vinyl alcohol)/poly(acrylic acid)/multi-walled carbon nanotubes (MWCNTs) nanocomposites.

TL;DR: Improvements in the mechanical properties of PLGA-coated β-TCP scaffolds are due to the combination of the systematic coating of struts, interpenetrating structural characteristics, and crack bridging, and suggest a new strategy for fabricating interconnected macroporous scaffolds with significantly enhanced mechanical strength for potential load-bearing bone tissue regeneration.

TL;DR: In this article, double hydrophilic block copolymers comprising a poly(ionic liquid) segment via the RAFT/MADIX process were synthesized for macro-chain transfer agents (macro-CTAs).

TL;DR: Through the application of the PALS model, this study elucidates the network formation in dimethacrylates commonly used in dental materials and shows that, as expected, volumetric shrinkage increases with TEGDMA concentration and monomer conversion.

TL;DR: In this article, the authors show that an SMP based on an epoxy network with both chemical and physical crosslinks could be strained up to 75% in four repeated shape memory cycles with tensile stresses close to 3 MPa.

TL;DR: In this article, the adsorption performance of randomly oriented nanosized filaments, prepared by electrospinning wool keratin/polyamide 6 blends in formic acid, were evaluated as adsorbents of Cu 2+ ions.

TL;DR: In this article, the glycolysis of postconsumer polyethylene terephthalate (PET) waste was evaluated with catalysts of zinc acetate, zinc stearate and zinc sulfate.

TL;DR: Isosorbide based epoxy resin (IS-EPO) of epoxy number: 0.44 mol/100 g was synthesized in the one step reaction from 1,4:3,6-dianhydro-d -glucitol (isosorbides) and epichlorohydrin in the presence of concentrated aqueous NaOH.

TL;DR: In this paper, the influence on the composite structure of various parameters like the compatilizer to inorganic ratio, the type and content of functional groups and the molecular weight of the functional additive, the miscibility between the matrix polymer and the compatibilizer, the kind of surfactants modifying the inorganic surface, the processing conditions, etc.

TL;DR: In this article, the authors reexamine recent results obtained by their group on the crystallization of nanocomposites and linear and miktoarm star copolymers in order to obtain some general features of their crystallization properties.

TL;DR: In this article, a good distribution of the fumed silica into both polymer matrices was observed, and the highest thermo-mechanical improvements were reached by addition of the Fumed Silica with higher surface area.