Showing papers in "European Polymer Journal in 2013"

TL;DR: The preparation and properties of innovative chitosan-based biomaterials, with respect to their future applications, are highlighted, with a special focus on wound healing application.

TL;DR: In this paper, the distinction between degradation and biodegradation of biopolymers is discussed and the importance of their importance for practice is also discussed, as well as several examples of various approaches and their outcome.

TL;DR: In this article, a review of recent achievements in the field of oxidatively upgrading lignin is presented, focusing on organometal catalyses (MTO, salen complexes, POMs), biomimetic catalyses, and enzymatic catalyses.

TL;DR: In this paper, the authors present scientific findings concerning the recycling of bioplastics, their blends and thermoplastic biocomposites, with special focus on mechanical recycling of bio-based materials.

TL;DR: In this paper, the influence of graphite nano-platelets (GNPs) on the electrical and thermal conductivity, fracture toughness and storage modulus of the nano-composite was investigated.

TL;DR: In this article, the filler percolation network of multi-walled carbon nanotubes (MWCNTs) grown by chemical vapor deposition and thermally reduced functionalized graphene sheets (FGSs) in an epoxy resin was evaluated by the plate-plate rheological response of un-cured dispersions and the electrical properties of cured materials.

TL;DR: In this article, the authors reported the innovative, sustainable, and green synthesis of soft foams from Kraft lignin using two types of chain extenders: polypropilenglycol triol and castor oil.

TL;DR: In this paper, a novel biobased epoxy thermoset was synthesized from gallic acid, a phenolic acid encountered in various plants, both in its simple form and as a part of gallotannins.

TL;DR: In this paper, a novel PLA-ZnO nanocomposite films were produced by melt-compounding PLA with 0.5-3% ZnO rod-like nanoparticles.

TL;DR: In this article, the authors investigated if cellulose nanofiber (CNF) gels with high water contents can be processed to nanocomposites with starch powder using continuous twin-screw extrusion and to improve the mechanical properties and moisture sensitivity of thermoplastic starch.

TL;DR: Bimodal force microscopy is a dynamic force-based method with the capability of mapping simultaneously the topography and the nanomechanical properties of soft-matter surfaces and interfaces.

TL;DR: In this paper, the shape memory properties of polyurethane (PU) elastomer, polylactide (PLA) and surface modified carbon nanotubes (CNTs) were investigated.

TL;DR: In this article, cellulose nanowhiskers were grafted by n-octadecyl-isocyanate (CNW-ICN) applying an in situ surface grafting method, and the compatibility of the long aliphatic grafted chain was investigated by thermal, mechanical and permeability analysis of solvent cast nanocomposite films.

TL;DR: In this paper, a short review of different types of reinforced thermoset and elastomeric bio-composites are presented in order to give adequate answers to specific requirements.

TL;DR: In this paper, a simple and simple centrifugal spinning technology that extrudes nanofibers from polymer solutions by using a high-speed rotary and perforated spinneret was presented.

TL;DR: A major portion of this overview will concentrate on taking advantage of the thiol–disulphide exchange and the reversibility of this reaction in a wide range of applications, such as advanced drug delivery vehicles, bioartificial implants and self-healing and shape-imprinting polymers.

TL;DR: In this article, the water transport properties and plasticization ability of epoxy/multi-wall carbon nanotube (MWCNT) composites were investigated in a wide range of atmosphere relative humidity and temperatures.

TL;DR: In this article, the authors present an overview of recent and current studies carried out at the Particles, Polymers and Biomaterials Technology Group of the University of Coimbra which aims to design and prepare polymeric microparticles.

TL;DR: In this paper, a detailed overview of these recently developed radical precipitation polymerization (CRP) approaches is presented and demonstrated their high versatility in the design and synthesis of advanced functional polymers such as uniform, highly crosslinked, and living functional polymer microspheres and advanced molecularly imprinted polymers (MIPs).

TL;DR: In this article, the authors are grateful to the Ministry of Science and Innovation (MICINN) in Spain for their economic support of this research (MAT2010-21494-C03-03; MAT 2011-25513) and for the access to the beamline BM16 (experiment 16-2-87).

TL;DR: In this article, low molecular weight acrylated poly(ethylene glycol) (PEG) was grafted onto poly(lactic acid) (PLA) via a reactive blending to improve its plasticity.

TL;DR: In this article, a non-phosgene and green method was used to transform fatty acid derivatives into diisocyanates via a nonpho-gene-and green method.

TL;DR: In this paper, a review summarizes recent advances in the controlled radical polymerization of N-vinyl monomers, such as Nvinyl carbazole derivatives, N-vinylimidazolium salts, and Nvinyltriazoles, which has allowed for the synthesis of well-defined functional polymers having various architectures.

TL;DR: In this article, a nano strengthening agent was used to improve the performance of temperature-sensitive poly( N -isopropylacrylamide) (PNIPAM) hydrogels.

TL;DR: In this article, a hybrid organic-inorganic polymer gel electrolytes (PGEs) based on polymer-clay nanocomposite microporous membrane containing 1 M lithium hexafluorophosphate (LiPF6) in ethylene carbonate/diethyl carbonate (EC/DEC) are fabricated and their electrochemical characteristics in lithium ion batteries are studied.

TL;DR: In this article, a series of graphene/epoxy composite films were prepared by thermal curing of diglycidyl ether of bisphenol-A with an amine-functionalized agent casted on a polyimide film, and investigated their structures and electrical properties as a function of graphene content.

TL;DR: In this article, the potential of using functionalized graphene (FG) as reinforcement for producing high performance of nylons 11 and 12 nanocomposites was explored, and the results revealed that the ultimate tensile strength, elongation at break, impact strength, toughness and permeation resistance characteristics were improved by the incorporation of a very small amount of the FG into the nylon matrices.

TL;DR: In this paper, the authors demonstrate that blending of PLA with atactic poly([R,S]-3-hydroxy butyrate) (a-PHB) leads to significant improvement of drawability and impact strength.

TL;DR: In this paper, the synthesis and characterization of cardanol based pre-polymers, one containing epoxy group and the other with a benzoxazine unit, obtained from cashew nut shell liquid which is a by product of cashew industry.

TL;DR: In this paper, a suspension of high aspect ratio nanofibrillated cellulose (NFC), which was prepared by combining an enzymatic hydrolysis and mechanical shearing, was utilized as platform, stabilizer, and reinforcement for PANi deposition during in situ synthesis.