Showing papers in "Polymer in 2012"

TL;DR: The double network (DN) technique, developed by authors of as mentioned in this paper, provides an innovative and universal pass way to fabricate hydrogels with super high toughness comparable to rubbers.

TL;DR: In this paper, an actual understanding of the relation between processing conditions, state of CNT dispersion and structure of the filler network, and the resulting electrical, melt rheological and mechanical properties is presented.

TL;DR: In this paper, a simple method to fabricate boron nitride (BN) nanoplatelets using a sonication-centrifugation technique and investigate the effects of functionalization BN nanoplatelet on thermal properties of epoxy composites.

TL;DR: In this article, a dual-microcapsule epoxy-amine chemistry in thermoset epoxy was used for self-healing in a double-cantilever-beam (TDCB) fracture.

TL;DR: In this paper, the effect of silica nanoparticles and particle size on glass transition temperature (T g ), coefficient of thermal expansion (CTE), Young's modulus (E ), yield stress ( σ ), fracture energy (G IC ), and fracture toughness (K IC ), were investigated.

TL;DR: In this paper, a novel route has been developed to synthesize polypyrrole (PPy)/graphene oxide (GO) nanocomposites via liquid/liquid interfacial polymerization where GO and initiator was dispersed in the aquous phase and the monomer was dissolved in the organic phase.

TL;DR: In this paper, composites of MWCNTs having each three different levels of matrix viscosity with five different polymers (polyamide 12, polybutylene terephthalate, polycarbonate,polyetheretherketone and low density polyethylene) were melt mixed.

TL;DR: In this paper, a novel polyurethane was synthesized, which consisted of isophorone diisocyanate, polyethylene glycol and photo-reversible moiety 5,7-bis(2-hydroxyethoxy)-4-methylcoumarin.

TL;DR: In this paper, a facile surface initiated polymerization (SIP) method was used to synthesize PANI/Fe3O4 PNCs using Fourier transform infrared (FT-IR) spectroscopy.

TL;DR: A broad overview of the design criteria and practical methodologies to control the functionality of microgels is presented in order to encourage further development of highly interesting concepts and materials in this area of materials science.

TL;DR: In this article, an interactive crosslinking-relaxation methodology is developed to construct the simulation cell, which allows the construction of highly crosslinked polymer network from a given set of monomers.

TL;DR: In this article, the chemistry and physics relevant for the design of these nanostructured materials are discussed and recent advances emphasized, highlighting the effects of nanoconfinement on material behavior and putting somewhat greater emphasis on molecular motions.

TL;DR: In this paper, a facile interfacial polymerization method was used to synthesize polyaniline nanofibers (PANI-NFs)/graphite oxide (GO) nanocomposites.

TL;DR: In this article, the effects of the reaction time, the size of the interfacial area, scale ratio, and concentration of reactant on the crystalline structure, thermal stability, morphology, electrical conductivity and dielectric permittivity are systematically studied.

TL;DR: In this paper, a grape-cluster-like conductive network was proposed for polypropylene (PP) matrix, where oriented multi-walled carbon nanotubes (MWCNTs) served as branches and provided charge transport over large distances while grape-like carbon black (CB) aggregates enriched around MWCNTs and linked these conductive tubes through charge transfer over small distances.

TL;DR: In this article, the optimum design parameters of self-healing hydrogels formed by hydrophobic associations in aqueous solutions of wormlike sodium dodecyl sulfate (SDS) micelles were investigated.

TL;DR: In this paper, the authors report evolving pore formation in both surface and interior structures of polystyrene (PS) fibers electrospun from solutions of dimethylformamide (DMF), as low, and tetrahydrofuran (THF) as high volatile solvents.

TL;DR: In this article, the crystallization behavior of polylactide (PLA) was investigated in the presence of dissolved CO2 using high-pressure and regular differential scanning calorimeter, and the results showed that increasing the CO2 pressure decreased crystallization half-time.

TL;DR: In this article, a low temperature approach to prepare stereocomplex of high-molecular-weight poly( l -lactide) (PLLA) and poly( d -lactic) (PDLA) at temperatures much lower than those adopted in conventional melt blending, is presented.

TL;DR: In this paper, the authors explored the two-way shape memory response of semicrystalline poly(e-caprolactone)-based polymer networks, prepared with various macromolecular architectures.

TL;DR: In this article, the authors report a scalable and inexpensive approach to fully disperse carbon nanotubes in silicone rubber by the addition of graphene, which shows strong interaction with both polymer matrix and MWNTs.

TL;DR: In this article, the authors developed an efficient and extensible multiscale analysis to consider the carbon nanotube (CNT) size effect and weakened bonding effect at the interface on the effective elastic stiffness of CNT/polymer nanocomposites using molecular dynamics simulations and continuum micromechanics.

TL;DR: In this paper, polyethylene glycol (PEG) and poly(PEGMA) conjugated nanodiamond (ND) have been synthesized via "grafting to" and "gathering from" methods, respectively.

TL;DR: In this article, the degree of polymerization of PBF was determined to be as high as 125, which is in agreement with the molecular weight from the viscosity study Solid state C-13 NMR revealed that one of the furan carbons is sensitive to local morphology DSC and X-ray diffraction further revealed that the polymer had high tendency to form crystalline materials.

TL;DR: In this article, the authors describe a method for fabricating biocompatible microcapsules via a combined system of pickering-type emulsion route and solvent volatilization method in the absence of any molecular surfactants.

TL;DR: In this paper, a method is presented to quantify the effect of thermal and pressure history on the isotropic and quiescent crystallization kinetics of four important structures of polypropylene, i.e. the α-, β-, γ- and mesomorphic phases.

TL;DR: In this paper, a detailed comparison between molecular dynamics predictions and experimental results for a wide range of thermo-mechanical properties of an epoxy resin system: diglycidyl ether of bisphenol A (DGEBA) cured with 3,3′ diamino-diphenyl sulfone (33DDS).

TL;DR: In this paper, a composite nanofiltration membrane incorporated with silica nanoparticles was prepared by interfacial polymerization on polysulfone (PSF) ultrafiltration membrane.

TL;DR: In this article, foam-like materials based on bio-based, renewable ammonium alginate and sodium montmorillonite clay were fabricated through a simple, environmentally-friendly freeze-drying process in which water is used as solvent.

TL;DR: In this paper, a paper-like nanocomposite was prepared by controlled vacuum filtration of an aqueous dispersion of PANi decorated GNP for thermoelectric applications.