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Showing papers in "Polymer in 2011"


Journal ArticleDOI
07 Jan 2011-Polymer
TL;DR: A survey of the literature on polymer nanocomposites with graphene-based fillers including recent work using graphite nanoplatelet fillers is presented in this article, along with methods for dispersing these materials in various polymer matrices.

2,782 citations


Journal ArticleDOI
23 Mar 2011-Polymer
TL;DR: In this paper, a review of the current preparative strategies of poly(ionic liquid)s (PILs) can be found, providing a systematic and actual view on the polymer chemistry behind.

761 citations


Journal ArticleDOI
Tao Xie1
13 Oct 2011-Polymer
TL;DR: In this paper, notable recent advances in the field of shape memory polymers are highlighted, focusing on how the new developments have changed the conventional view of SMPs, what they mean for practical applications, and where the future opportunities are.

747 citations


Journal ArticleDOI
18 Aug 2011-Polymer
TL;DR: In this paper, an eco-friendly strategy for fabricating the polymer nanocomposites with well-dispersed graphene sheets in the polymer matrix via first coating graphene using polypropylene (PP) latex and then melt-blending the coated graphene with PP matrix.

572 citations


Journal ArticleDOI
23 Mar 2011-Polymer
TL;DR: In this paper, two types of epoxy/GP nanocomposites with different interface strength using the combination of sonication and chemical modification were synthesized, and the surface modified graphene platelets (m -GP) formed clusters, showing a higher degree of dispersion and exfoliation of graphene.

475 citations


Journal ArticleDOI
29 Sep 2011-Polymer
TL;DR: Boron-containing organic compounds have found widespread use in synthetic organic chemistry and have proven valuable in a variety of biomedical applications, including the treatment of HIV, obesity, diabetes, and cancer as mentioned in this paper.

361 citations


Journal ArticleDOI
05 Apr 2011-Polymer
TL;DR: In this article, a thermally reduced graphene oxide (TRG) was blended via melt and solvent blending with linear low density polyethylene (LLDPE) and its functionalized analogs (amine, nitrile and isocyanate) produced using a ring-opening metathesis polymerization (ROMP) strategy.

359 citations


Journal ArticleDOI
29 Sep 2011-Polymer
TL;DR: In this paper, a highly deacetylated (97.5%) chitosan in 50% acetic acid was electrospun at moderate temperatures (25-70°C) in the presence of a low content of polyethylene oxide (10 wt% PEO) to beadless nanofibers of 60-80nm in diameter.

318 citations


Journal ArticleDOI
13 May 2011-Polymer
TL;DR: In this article, molecular dynamics and molecular mechanics simulations are used to establish well-equilibrated, validated molecular models of the EPON 862-DETDA epoxy system with a range of crosslink densities using a united atom force field.

268 citations


Journal ArticleDOI
08 Jun 2011-Polymer
TL;DR: In this article, the authors synthesize polyurethane rigid foams by substituting a polypropylene-based polyol with soybean oil based polyol (SBOP) and found that the soy-based foams maintained a regular cell structure and had even smaller average cell size than the control foams.

262 citations


Journal ArticleDOI
10 Nov 2011-Polymer
TL;DR: In this article, the flame retardant epoxy resin has been prepared by mixing the flame- retardant additive hexa-(phosphaphenanthrene-hydroxyl-methyl-phenoxyl)-cyclotriphosphazene (HAP-DOPO) into diglycidyl ether of bisphenol-A (DGEBA), after cured by 4,4′-Diamino-diphenyl sulfone (DDS).

Journal ArticleDOI
22 Jun 2011-Polymer
TL;DR: In this article, the authors reviewed the deformation and failure modes of polyolefines based on the craze initiation and propagation model of Kramer-Berger and the Craze-crack transition model for semi-crystalline polymers.

Journal ArticleDOI
08 Jun 2011-Polymer
TL;DR: In this paper, the authors use molecular dynamics (MD) to perform an extensive characterization of the thermo-mechanical response of a thermoset polymer composed of epoxy EPON862 and curing agent DETDA.

Journal ArticleDOI
19 Apr 2011-Polymer
TL;DR: In this article, the authors used differential fast scanning calorimetry (DFSC) for a new look at the crystal growth of poly( ǫ-caprolactone) (PCL) from 185k to 330k, close to the equilibrium melting temperature.

Journal ArticleDOI
27 Oct 2011-Polymer
TL;DR: In this article, a polyimide/graphene nanocomposite film was successfully fabricated, which exhibited significant enhancements in mechanical properties and electrical conductivity, and Young's modulus was dramatically increased from 1.8 GPa to 2.3 GPa.

Journal ArticleDOI
22 Jun 2011-Polymer
TL;DR: In this paper, a simple technique to prepare super-hydrophobic and super-oleophobic microtextured surfaces by spray coating a blend of poly(methyl methacrylate) (PMMA) and the low surface energy molecule 1H,1H,2H, 2H-heptadecafluorodecyl polyhedral oligomeric silsesquioxane (fluorodeecyl POSS), using an air brush with a pressurized nitrogen stream.

Journal ArticleDOI
27 Oct 2011-Polymer
TL;DR: In this article, the authors explored the two-way shape memory effect for semi-crystalline elastomeric networks with various gel fractions and crosslinking densities.

Journal ArticleDOI
23 Mar 2011-Polymer
TL;DR: In this paper, the impact of the covalent grafting of CNWr surface on thermo-mechanical properties of the commercial poly(e-caprolactone) matrix was investigated.

Journal ArticleDOI
20 Jul 2011-Polymer
TL;DR: In this paper, two bio-based epoxy prepolymers were synthesized from isosorbide, a carbohydrate-based C6 building block, using two different synthetic routes.

Journal ArticleDOI
03 Aug 2011-Polymer
TL;DR: In this paper, an analytical model was developed to predict the electrical conductivity of carbon nanotube-based polymer composites and a good correlation was obtained between the predicted and measured results.

Journal ArticleDOI
04 May 2011-Polymer
TL;DR: In this paper, modified polydopamine was used as an initiator layer for surface-initiated polymerization, synthesized by reacting dopamine with 2-bromoisobutyryl bromide (BIBB) before deposition.

Journal ArticleDOI
29 Sep 2011-Polymer
TL;DR: In this article, the preparation of functionalized graphene sheets (FGS)/epoxy coatings cured by cationic photopolymerization with enhanced mechanical properties is presented, and the reinforcement of the cured coatings by the graphene is studied by measuring the dynamic-mechanical properties and the surface hardness.

Journal ArticleDOI
08 Jun 2011-Polymer
TL;DR: In this article, the tensile and impact behaviors of microcellular and nanocellular structures are experimentally compared for foams with relative densities, to that of the starting solid, in the range of 0.75-0.90.

Journal ArticleDOI
01 Mar 2011-Polymer
TL;DR: In this paper, the isolated effect of anion type on the chemical, thermal, and conductive properties of imidazolium-based polymerized ionic liquids (PILs) was investigated.

Journal ArticleDOI
13 Dec 2011-Polymer
TL;DR: In this paper, the X-ray diffraction data of poly( l -lactic acid) (PLLA) α′ form (or the newly-termed "δ" form) has been analyzed on the basis of the Xray diffusion data.

Journal ArticleDOI
22 Jun 2011-Polymer
TL;DR: In this article, the effect of in situ synthesized 10nm silica nanoparticles on the glass transition and dynamics of natural rubber networks using differential scanning calorimetry, broadband dielectric relaxation spectroscopy and thermally stimulated depolarization currents.

Journal ArticleDOI
03 Aug 2011-Polymer
TL;DR: In this article, five commercially available multi-walled carbon nanotubes (MWNTs), with different characteristics, were melt mixed with polycarbonate (PC) in a twin-screw micro compounder to obtain nanocomposites containing 0.25-3.0% MWNT.

Journal ArticleDOI
23 Mar 2011-Polymer
TL;DR: In this paper, the molecular orientation and crystallinity of polyacrylonitrile (PAN) nanofibers produced under different electrospinning conditions with diameters mainly varying between 100 and 300 nm.

Journal ArticleDOI
Kaixuan Sheng1, Hua Bai1, Yiqing Sun1, Chun Li1, Gaoquan Shi1 
10 Nov 2011-Polymer
TL;DR: Graphene/polyaniline (PANI) multilayer films were prepared via alternate deposition of negatively charged graphene oxide (GO) and positively charged PANI upon electrostatic interaction, followed by the reduction of their GO components with hydroiodic acid.

Journal ArticleDOI
04 May 2011-Polymer
TL;DR: In this paper, the Young's modulus and yield strength of individual electrospun fibers of poly(trimethyl hexamethylene terephthalamide) (PA 6(3)T) have been obtained in uniaxial extension.