Polymer Composites (Polymer Compos )

Publisher: Society of Plastics Engineers, John Wiley and Sons

Description

Published six times per year, Polymer Composites is the foremost engineering & scientific journal covering the fields of reinforced plastics and polymer composites. In publication since 1980, Polymer Composites offers detailed applied developments of specific interest long before they become commercial realities.

  • Impact factor
    1.48
  • 5-year impact
    1.58
  • Cited half-life
    6.00
  • Immediacy index
    0.23
  • Eigenfactor
    0.01
  • Article influence
    0.39
  • Website
    Polymer Composites website
  • Other titles
    Polymer composites (Online), Polymer composites
  • ISSN
    1548-0569
  • OCLC
    43437991
  • Material type
    Document, Periodical, Internet resource
  • Document type
    Internet Resource, Computer File, Journal / Magazine / Newspaper

Publisher details

John Wiley and Sons

  • Pre-print
    • Author can archive a pre-print version
  • Post-print
    • Author can archive a post-print version
  • Conditions
    • See Wiley-Blackwell entry for articles after February 2007
    • On personal web site or secure external website at authors institution
    • Deposit in institutional repositories is not allowed
    • JASIST authors may deposit in an institutional repository
    • Non-commercial
    • Pre-print must be accompanied with set phrase (see individual journal copyright transfer agreements)
    • Published source must be acknowledged with set phrase (see individual journal copyright transfer agreements)
    • Publisher's version/PDF cannot be used
    • Articles in some journals can be made Open Access on payment of additional charge
    • 'John Wiley and Sons' is an imprint of 'Wiley'
  • Classification
    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: Nanocomposites of ethylene vinyl acetate (EVA) containing iron oxide nanoparticles (IONPs) were prepared by open mill-mixing technique. The effect of loading of IONPs in EVA was characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), transmission electron micrograph (TEM), and dynamic mechanical analysis (DMA). The FTIR spectra ascertain the intermolecular interaction between the polymer and IONPs. TEM and XRD studies revealed the structurally ordered arrangement of nanoparticles within the polymer matrix. DMA showed an increase in storage modulus and lesser damping characteristics of composite with the increase in loading of nanoparticles, whereas these properties decreased significantly with increase in temperature. The glass transition temperature shifted toward higher temperature with the increase in content of IONPs. Magnetic properties of the nanocomposites were investigated using vibrating sample magnetometer at room temperature. The saturation of magnetization was progressively increased with the increase in content of nanoparticles. The electrical conductivity, dielectric constant, and dielectric loss of the composite were found to be increased with the increase in volume fraction of nanoparticles. The polymer–filler interaction was also determined from the swelling studies. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014; 35(10):1989.
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    ABSTRACT: In this study, epoxy-based nanocomposites with low content mechanically exfoliated graphene were successfully prepared via one-step in situ ball milling method. The effect of graphene on mechanical properties of the nanocomposites was investigated. The results showed that samples with loadings less than 0.1% weight of mechanically exfoliated graphene increased by 160% in tensile strength and 65% in Young's modulus. The experimental value of Young's modulus was also compared with the predictions of the well-established Halpin-Tsai model. In addition, the adding of graphene did not decrease the impact strength of epoxy. The microstructural results showed that the as-prepared graphenes were single- and few-layer graphene sheets and preserved perfect structure. Thus enhancements of mechanical properties in the nanocomposites could be ascribed to the strong interfacial interaction between the stiff graphene nanosheets and the epoxy matrix. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014;
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    ABSTRACT: To explore the effect of negative thermal expansion on the reduction of the coefficient of thermal expansion of polymer with respect to that of chain stiffening, the preparation of polycarbonate composites with ZrW2O8 and ZrW2O7(OH)2·2H2O are attempted. In the process, the dispersion of the filler particles in the polymer needs to be optimized, and the transfer of properties at the interface between the two phases. Therefore, surface modification by in situ polymerization is performed on these two particles. Several parameters of the reaction are optimized to achieve higher surface coverage of oligomer, including reaction time and the amount of monomers and particles. On the basis of the optimized conditions, two modification steps are then used to maximize both recovered amount of modified particles and surface coverage. The composites prepared with modified particles show enhanced dispersion of the particles and interaction at the interfaces. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014;
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    ABSTRACT: Elastomeric polyurethane (PU) was mixed with 0, 10, 15, 20, 25, and 30 wt% of graphite to obtain PUE-based composites. The structure of PU/graphite elastomer was characterized by scanning electron microscopy. It was found that the polyurethane elastomer (PUE) molecular chains were intercalated into the graphite layers and evenly distributed in the matrix. When the graphite content was lower it could make full use of its strength with some loss of plasticity; when the graphite content was too high, the friction between graphite and PUE increased and hence it is more difficult for the macromolecular chain reaction. The polymer was more unstable as a whole. Furthermore, the thermal and mechanical properties of the obtained products were investigated in detail. The result showed that the thermal stability of PUE was improved by the introduction of the graphite. The softening temperature of the PUE/graphite containing 10% graphite was 11°C higher than that of pure PUE. At the same time, the hardness, tensile strength, elongation, 300% tensile modulus, tearing strength of PU/graphite elastomer were also investigated. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014;
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    ABSTRACT: Layered double hydroxides (LDHs) have attracted much attention as nanofillers in polymer nanocomposites (NCs) due to their particular surface structural, positively charged layer and so on. In this study, a chiral diacid was synthesized by the reaction of tetrabromophthalic anhydride and glutamic acid. LDH was modified by co-precipitation of aluminum nitrate, magnesium nitrate, and glutamic acid containing diacid. Chiral poly(amide-imide) (PAI) was synthesized by direct polycondensation reaction of N-trimellitylimido-l-leucine and 4,4′-diaminodiphenylether. Different NCs of the obtained modified LDHs and the chiral PAI were prepared in a short time using ultrasonic technique. The morphology and the structure of the obtained samples were characterized by Fourier transform infrared, thermogravimetric analysis (TGA), field emission scanning electron microscopy, transmission electron microscopy, and X-ray diffraction analysis. TGA of the NCs showed a special order in thermal stability in compression with the neat PAI owing to the uniform distribution of the nanofillers. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014;
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    ABSTRACT: Chemically functionalized graphene (CFG) is proposed as a novel nanoscale optical heater by uniformly dispersing it in poly(dimethylsiloxane) (PDMS) matrix. And subsequently, a simple, fast, and localized heating method on microfluidic chips is demonstrated. CFG is prepared through simultaneous modification and reduction of graphene oxide with dodecylamine by a solvothermal route. It is well dispersed in PDMS suspension to form uniform CFG/PDMS composite due to the presence of the long-dodecyl chain. The obtained CFG/PDMS composites are readily made into microfluidic chips by standard soft lithography. The localized optical heating on the chip is realized by employing a conventional semiconductor laser as light source. The prepared chips with low to 0.05 wt% CFG contents can exhibit temperature increase (<1 min) at very low power illumination. The optical heating effects were observed not only under irradiation with long wavelength, but also under the wavelengths as short as 405 nm. Our studies illustrated that CFG/PDMS composite can serve as a practical optical heating platform for microfluidic chips with the advantages of simple, low cost, and high efficiency. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014;
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    ABSTRACT: In this article, chlorosilane-modified ZSM-5 particles were incorporated into polydimethylsiloxane (PDMS) to form mixed matrix membranes (MMMs) for ethanol/water mixture separation via pervaporation (PV). The membranes were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and mechanical performance testing. The maximum loading and dispersion of ZSM-5 into PDMS were improved by chlorosilane modification. To evaluate the PV performance, the MMMs were used to separate an aqueous ethanol solution. The effect of zeolite loading and operational conditions on PV performance was investigated in detail. The separation factor of the composite membranes filled with modified ZSM-5 increased considerably versus unmodified membrane, while the total flux decreased to some degree. Of all the chlorosilane-modified membranes, dodecyltrichlorosilane modified ZSM-5 filled PDMS showed the best separation factor of 15.8 for ethanol. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 11/2014;
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    ABSTRACT: A novel physicochemical crosslinked nanocomposite hydrogel based on polyvinyl alcohol (PVA) and natural Na-montmorillonite (Na+-MMT) was synthesized by chemical crosslinking of nanocomposite hydrogel followed by a Freezing-Thawing process. The effects of physical crosslinking, as well as physicochemical crosslinking, on the structure, morphology, and properties (thermal, mechanical, swelling, and deswelling) of nanocomposite hydrogels were investigated and compared with each other. The structure and morphology of nanocomposites were studied by Fourier transform infrared, X-ray diffraction, Field emission scanning electron microscopy, and Transmission electron microscopy techniques. The thermal and mechanical properties of nanocomposites that were affected by physical and physicochemical crosslinking were evaluated by thermogravimetric analysis, differential scanning calorimeter, Dynamic mechanical analysis, Hardness test, and Water vapor transmission rate (WVTR) experiments. The results showed that the physicochemical crosslinking of a PVA nanocomposite leads to a reduction in crystallinity and melting temperature, as well as an increase in the Hardness and WVTR compared to a physically crosslinked PVA nanocomposite hydrogel. The swelling and deswelling experiments were performed using a gravimetric method, and it was shown that controlled crosslinking of PVA nanocomposite hydrogel with glutaraldehyde causes the swelling ratio to increase and the cumulative amount of water loss to decrease. The swelling (sorption) and deswelling (desorption) kinetics data for physically and physicochemical crosslinking of nanocomposite hydrogels were fitted with a fickian model. It is concluded that through control crosslinking of PVA nanocomposite can lead to a hydrogel with higher swelling capacity than that is in conventional PVA nanocomposite hydrogel. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: Preferential percolation is a promising strategy to develop conducting composites at lower loading of conducting filler; however, little information is available on temperature dependence of conductivity of such composites. This study reports synthesis and positive temperature coefficient (PTC) behavior of a novel multiphase polymer composite in which conducting filler preferentially percolates in a composite containing two incompatible polymers, both having glass transition in the temperature range of study. High electrical conductivity and good mechanical behavior was demonstrated by acrylonitrile butadiene styrene (ABS)/polycaprolactam (PCL)/nano carbon black (NCB) composites, which was dependent on blend composition as well as on the extent of NCB loading. PTC intensity was considerably less for ternary composites than it was for binary ABS/NCB or PCL/NCB composites. Theoretical analysis of the dispersion state of NCB in this phase separated system revealed preferential distribution of NCB at the interfacial region. PTC effect was also found to decrease significantly with increase in NCB content. ABS/PCL/NCB (1:1:2) composites showed no significant temperature dependence (zero positive coefficients) up to 413 K while ABS/NCB 30 wt% NCB composites showed highest PTC. A sudden rise was observed in the glass transition region of polymers for all composites; however, the effect was less pronounced for ternary composites. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: In this article, the Surlyn® 8920 and AX 8900 were mixed as hybrid nucleating agents for glass fiber (GF)-reinforced polyethylene terephthalate (PET)/polybutylene terephthalate (PBT) alloy. The crystallization behaviors on GF-reinforced PET/PBT alloy with compound nucleating agents of Surlyn® 8920 and AX 8900 were studied by differential scanning calorimeter. The Jeziorny method, Mo method, and Kissinger method were used for studying the non-isothermal crystallization process of the composite alloys. While single AX 8900 cannot further improve the crystallization properties of the alloy and reduced the crystallization rate, the introduction of Surlyn® 8920 can effectively ameliorate the condition. The results demonstrated the hybrid nucleating agents of Surlyn® 8920 and AX 8900 not only can accelerate crystal growth, but also can significantly reduce the energy barrier, and it has a good effect in the alloy to the nucleation. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: This article concerns the effect of polyamine functionalized carbon nanotubes (CNT, 0.4 wt%) used as filler in epoxy based nanocomposites on their mechanical and physical features. The functional chains present on CNT, containing one, three or five amino groups, were bound in similar molar amount on the CNT external walls, as verified by characterization tests. Mechanical and physical properties of the nanocomposites were investigated by means of flexural, wet ability, calorimetric, morphologic, and electrical measurements. Experimental results highlighted that the presence of the amino groups attached on the CNT improves both their dispersion and chemical interaction with the matrix. Both these factors enhance the mechanical strength, deformability and wet ability of the nanocomposites compared to the neat resin which retains its thermal stability. The highest enhancement in maximum flexural strength and elongation at break (of +31% and of +110%, respectively) was observed in the nanocomposite containing the penta—amino chain while the glass transition temperature value increased of 27%. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: In this work, reference and nanomodified unidirectional cyanate matrix, carbon fiber reinforced polymers (CFRPs), were exposed to distilled water at 80°C. Water uptake was investigated as a function of the carbon nanotube CNT wt% content up to saturation level. In parallel the variation of glass transition temperature (Tg) was also monitored using dynamic mechanical analysis tests. The distilled water absorption process was modeled following the Fick's law, and the experimental results were found to be in very good agreement with the theoretical predictions up to saturation. Finally, during the tests and, at defined time intervals the variation of the electrical conductivity of the materials under investigation was studied and a correlation between the water absorption and the variation of the electrical conductivity was established. It was shown that the presence of CNTs into the cyanate matrix affects the water absorption mechanism, since an important amount of additional interfaces has been introduced. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: Pithecellobium Clypearia Benth herbal residues (PHRs) were pretreated by steam explosion to produce PHR fibers (PHRFs) that were subsequently co-steam explosion modified with various molecular weight of polyvinyl alcohol (PVA). High value use of PHRs was realized when the unmodified PHRFs and modified PHRFs were used to reinforce polypropylene (PP). The component and structural changes of PHRFs, as well as the mechanism of PVA action during co-steam explosion, were analyzed. The effect of the PVA co-steam explosion on the mechanical properties, water absorption and interfacial properties of PHRF/PP composites were also studied as a function of PVA molecular weight. Relative to unmodified-PHRF/PP composites, the mechanical and interfacial properties were improved, while water absorption was almost unchanged, for composites containing PHRFs modified by PVA co-steam explosion. This was because PVA had been grafted on to the PHRFs during the co-steam explosion. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: In this article, highly loaded silver (Ag) nanoparticles with mean diameter of about 7.83 nm were synthesized by reducing Ag ions by NaBH4 with strong reducibility, and homogeneously embedded into cellulose aerogels without obvious reunion. The as-prepared nano-Ag/cellulose (NAC) aerogels maintained nanoporous and multiscale morphology similar to the pure cellulose aerogels, and showed strong antibacterial activities for both Escherichia coli (Gram negative) and Staphylococcus aureus (Gram positive). Meanwhile, after the incorporation of Ag nanoparticles, NAC aerogels also displayed more superior thermal stability. Thus, the novel NAC aerogels might be expected to be used as various biomedical applications, especially green heat-resistant high-performance antibacterial materials. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: Wood plastic composites (WPCs) were reinforced by ultralong cellulose nanofibers (CNF), which were extracted from poplar flour. To solve the aggregate problem of CNF in nonpolar high density polyethylene (HDPE), a new method, which was corresponding to preblending the mixture of wood flour and HDPE powder in the CNF suspension with continuously stirring at 80°C for 2 h was used before the extrusion process. The capillary rheological tests showed CNF could increase the apparent viscosity of WPCs obviously. From the SEM images, abundant CNF were distributed on the fracture surface of WPCs uniformly and compactly like “spider web.” Compared with WPC without CNF, the bending strength, bending modulus, and impact strength of WPCs with 20 wt% CNF increased by 93.01, 153.64, and 116.55%, respectively. The thermal expansion coefficient of WPCs with 20 wt% CNF decreased by 61.30%. The storage modulus of WPCs was greatly improved with the addition of CNF. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: Diffusion behavior of d-limonene and menthol propylene glycol carbonate were determined in halloysite/Low density polyethylene (LDPE), nanocomposites by a desorption method under nonisothermal conditions. Nanocomposites were prepared by melt mixing and diffusion coefficients of the organic molecules were determined in LDPE without halloysite, in the presence of halloysite, and with halloysite previously impregnated with each molecule. In general, the diffusion coefficient decrease for the molecules studied through the polymeric matrix with the amount of nanoclay loaded. Physical barriers due to halloysite nanoclay dispersed in the matrix give rise to an increase in activation energy for diffusion lowering the diffusion coefficients and desorption rate of the organic molecule through the LDPE matrix. No significant changes in crystallinity that affect the diffusion coefficients were found in the LDPE matrix by the addition of halloysite. The minimum release rate or maximum resistance for molecules to diffusion toward the surface in the halloysite/LDPE nanocomposite was found when the organic molecules were previously impregnated in the halloysite. An indication that impregnation of halloysite with the organic molecule will help to slow, and properly used, to dose their release rate. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: The effect of surface preparation on electroless Ni-P plating on carbon fiber reinforced cyanate ester resin laminate has been investigated. Three different surface chemical etching ways were performed, namely: (i) hexanediamine etching, (ii) hexanediamine followed by aniline etching, and (iii) aniline etching. The results indicated that Ni-P coating on hexanediamine etching or hexanediamine followed by aniline etching pretreated carbon fiber reinforced cyanate ester resin laminates usually tended to be cracked, veined, and low adhesion, while aniline etched laminates showed a homogenous roughing surface which is suitable for subsequently uniform, cellular, and good adhesion Ni-P plating. POLYM. COMPOS., 00:000–000, 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;
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    ABSTRACT: A bilayered scaffold was fabricated via electrospinning layer-by-layer with the inner layer composed of blend fibers of spider silk protein and gelatin (pNSR16/Gt), then the polyurethane (PU) layer on the outside. The physicochemical and biological performance of scaffold were investigated. The pNSR16/Gt-PU composite nanofibers with interconnected pores was detected a porosity of 88.7 ± 1.5%; with mechanical properties, including an appropriate permeability of 6.8 ± 0.2 ml min−1 cm−2, breaking strength (24.6 ± 3.6 MPa) and elasticity up to 145 ± 3.8% strain, and burst pressure reached 276 ± 7.1 kPa as well as an accepted suture retention strength (4.9 ± 0.8 N), optimized to mimic the nature artery. The pNSR16/Gt-PU bilayered scaffold also proved to be capable to support cell growth and proliferation of Sprague-Dawley rat aortic endothelial cells by 242 ± 10% (7 days vs. control). After all, the intimal surface promotes endothelialization and being highly anti-thrombogenic, while the mismatch in mechanical properties outside induces intimal hyperplasia, it is desirable to develop a bioactive material with improved mechanical properties for small-diameter vascular graft. POLYM. COMPOS., 2014. © 2014 Society of Plastics Engineers
    Polymer Composites 10/2014;