Showing papers in "Polymer in 2014"

TL;DR: In this article, poly lactic acid (PLA) solutions were prepared in various pure solvents and binary-solvent systems to investigate the effect of different solution properties on nanofibre morphology and diameter.

TL;DR: PolyHIPEs as mentioned in this paper are porous emulsion-templated polymers synthesized within high internal phase emulsions (HIPE), which are highly viscous, paste-like emulsionions in which the major, "internal" phase, usually defined as constituting more than 74% of the volume, is dispersed as discrete droplets within the continuous, minor, "external" phase.

TL;DR: A review of recent applications of the thiol-yne reaction in polymer synthesis and modification is given in this paper, with representative examples of its application in small molecule (bio) organic chemistry.

TL;DR: In this article, a solution-mixing polymers with cost-effective graphene of hydrophobic surface was used to prevent graphene layers stacking; in this respect, the greatest challenge in developing polymer/graphene nanocomposites is to prevent stacking.

TL;DR: In this paper, a detailed study of penetrant transport in amorphous poly(ethylene furanoate) (PEF) was studied at various temperatures using complementary permeation and pressuredecay sorption techniques.

TL;DR: In this article, an electrospun polyacrylonitrile (PAN) nanofibrous scaffold was grafted with cysteine to increase the adsorption capability for chromium (VI) and lead (II) using titration, FT-IR, and energy dispersive spectroscopy (EDS) techniques.

TL;DR: In this article, a series of polymers with specific radiation sensitizers, such as trimethylolpropane triacrylate (TMPTA) and triallyisocyanurate (TAIC), were prepared and irradiated by gamma rays.

TL;DR: In this article, a method for the preparation of PLA bio-nanocomposites containing cellulose nanocrystals (CNCs) is reported, which enhances interfacial adhesion and dispersion of CNCs into PLA matrix.

TL;DR: The shape memory polymers (SMPs) as mentioned in this paper can be trapped in a thermodynamically-unfavorable shape, then triggered by an external stimulus to return to their original shape.

TL;DR: In this article, the effects of nanoclay (Cloisite 30B) on the foamability of polylactide (PLA) were investigated in continuous extrusion foaming using supercritical CO2 as the blowing agent.

TL;DR: In this paper, the authors examined the contributing effects of various parameters such as Fe 3 O 4 content, carbonization temperature and thickness on total shielding efficiency (SE total ) of different samples.

TL;DR: In this paper, atom transfer radical polymerization (ATRP) was used to synthesize nanocomposites based on synthetic polymers grafted from kraft lignin with average particle size of 5nm.

TL;DR: In this article, the thermodynamic properties of poly(butylene 2,5-furan dicarboxylate) were studied using differential scanning calorimetry (DSC).

TL;DR: In this paper, the dielectric properties of copper nanowires (CuNWs)/poly(vinylidene fluoride) (PVDF) were compared with multi-walled carbon nanotubes (MWCNT)/pVDF nanocomposites prepared by the same technique.

TL;DR: In this paper, diffusion coefficients for water in amorphous poly(ethylene furanoate) (PEF) and poly (ethylene terephthalate) were studied at 35°C over the entire water activity range.

TL;DR: In this paper, an alkoxyamine-based diol was synthesized and reacted with tri-functional homopolymer of hexamethylene diisocyanate (tri-HDI) and polyethylene glycol (PEG).

TL;DR: In this article, various approaches for synthesizing fluorinated poly(meth)acrylates, including random, block, graft or star copolymers are described, and their properties are described in great details based on many recent articles.

TL;DR: In this article, vanillin was used to synthesize polybenzoxazine with the expected desirable benzoxazine properties as well as a high char yield of 55.3%.

TL;DR: In this article, the formation of β-phase in polyvinylidene fluoride (PVDF) based nanocomposites with different surface-functionalized multi-walled carbon nanotubes (MWCNTs) was verified by results of Fourier transform infrared spectrum and X-ray diffraction.

TL;DR: In this paper, a solution-polymerized styrene-butadiene rubber with alkoxysilane functionalization at two ends of macromolecular chains (A-SSBR) was synthesized by dilithium as initiator.

TL;DR: In this article, microwave exfoliated reduced graphene oxide (MERGO) was prepared from natural graphite for subsequent fabrication of epoxy nanocomposites using triethylenetetramine (TETA) as a curing agent via in-situ polymerization.

TL;DR: A mini-review of polymerized ionic liquids can be found in this paper, where the authors briefly introduce history of a variety of polymerised ILs and some applications of these PILs.

TL;DR: In this article, an acetic acid refluxing/pH-swing method was proposed to purify 2-5-furandicarboxylic acid (FA) derived from biobased polyester poly(butylene furnadicarboxylate) (PBF) and aliphatic-aromatic copolyesters (PBAFs) were synthesized via melt polycondensation.

TL;DR: In this article, the authors show that the ionic conductivity in polymers can be decoupled from their segmental dynamics, in terms of both temperature dependence and relative transport rate.

TL;DR: A detailed overview of the progress made in the development of water-compatible MIPs is provided with an emphasis on the strategies to solve the problem of specific bindings in aqueous solutions.

TL;DR: A promising candidate for the development of stimuli-responsive morphing materials are based on liquid crystal polymer networks as discussed by the authors, which will contract along the alignment director and expand perpendicular to it when subjected to an anisotropy-reducing stimulus, such as heat.

TL;DR: In this paper, layer thickness effect on the electrical insulation property of polysulfone (PSF)/poly(vinylidene fluoride) multilayer films having a fixed composition of PSF/PVDF was studied for 32-and 256-layer films having various total film thickness.

TL;DR: In this article, the authors focus on how the brittle gel changes into a tough one by increasing the amount of ductile component by comparing the molecular structures of the individual first network and second network gels, they found that the true key mechanical factor that governs the brittle-ductile transition is the fracture stress ratio of the two networks, σf,2/σf,1 This ratio is related to the density ratio of elastically effective polymer strands of two networks.

TL;DR: In this article, the effect of cross-linkable networks on the performance of polyaromatic copolyesters was investigated, and it was shown that both the large melt viscosity and the formation of an especially compact char with fine microstructure resulting from cross-linking were the key to the flame retardance and anti-dripping performance of the polymer when subjected to flame.

TL;DR: In this paper, a perspective on the degree to which modern computational methods can be harnessed to guide the design of polymeric dielectrics is provided, including quantum mechanical ab initio methods, classical force-field based molecular dynamics simulations, and data-driven paradigms.