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  Subjects -> ENGINEERING (Total: 2003 journals)
    - CHEMICAL ENGINEERING (158 journals)
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    - ENGINEERING (1128 journals)
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    - MECHANICAL ENGINEERING (76 journals)

CHEMICAL ENGINEERING (158 journals)                  1 2     

ACS Combinatorial Science     Full-text available via subscription   (Followers: 9)
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials     Hybrid Journal   (Followers: 4)
Acta Polymerica     Hybrid Journal   (Followers: 6)
Additives for Polymers     Full-text available via subscription   (Followers: 21)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 5)
Advanced Chemical Engineering Research     Open Access   (Followers: 8)
Advanced Powder Technology     Hybrid Journal   (Followers: 12)
Advances in Chemical Engineering     Full-text available via subscription   (Followers: 16)
Advances in Chemical Engineering and Science     Open Access   (Followers: 22)
Advances in Polymer Technology     Hybrid Journal   (Followers: 11)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 4)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 9)
Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 10)
Anti-Corrosion Methods and Materials     Hybrid Journal   (Followers: 4)
Applied Petrochemical Research     Open Access   (Followers: 3)
Asia-Pacific Journal of Chemical Engineering     Hybrid Journal   (Followers: 6)
Biochemical Engineering Journal     Hybrid Journal   (Followers: 8)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 5)
BMC Chemical Biology     Open Access   (Followers: 4)
Brazilian Journal of Chemical Engineering     Open Access   (Followers: 2)
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 1)
Carbohydrate Polymers     Hybrid Journal   (Followers: 8)
Catalysts     Open Access   (Followers: 7)
Chemical and Materials Engineering     Open Access  
Chemical and Petroleum Engineering     Hybrid Journal   (Followers: 8)
Chemical and Process Engineering     Open Access   (Followers: 3)
Chemical and Process Engineering Research     Open Access   (Followers: 5)
Chemical Communications     Full-text available via subscription   (Followers: 29)
Chemical Engineering & Technology     Hybrid Journal   (Followers: 24)
Chemical Engineering and Processing: Process Intensification     Hybrid Journal   (Followers: 10)
Chemical Engineering and Science     Open Access   (Followers: 2)
Chemical Engineering Communications     Hybrid Journal   (Followers: 10)
Chemical Engineering Journal     Hybrid Journal   (Followers: 20)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 16)
Chemical Engineering Science     Hybrid Journal   (Followers: 11)
Chemical Geology     Hybrid Journal   (Followers: 9)
Chemical Papers     Hybrid Journal   (Followers: 3)
Chemical Product and Process Modeling     Full-text available via subscription   (Followers: 3)
Chemical Reviews     Full-text available via subscription   (Followers: 306)
Chemical Society Reviews     Full-text available via subscription   (Followers: 30)
Chemical Technology     Open Access   (Followers: 5)
ChemInform     Hybrid Journal   (Followers: 3)
Chemistry & Industry     Hybrid Journal   (Followers: 2)
Chemistry Central Journal     Open Access   (Followers: 5)
Chemistry of Materials     Full-text available via subscription   (Followers: 208)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 6)
ChemSusChem     Hybrid Journal   (Followers: 7)
Chinese Chemical Letters     Full-text available via subscription   (Followers: 1)
Chinese Journal of Chemical Engineering     Full-text available via subscription   (Followers: 3)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Coke and Chemistry     Hybrid Journal  
Coloration Technology     Hybrid Journal   (Followers: 1)
Computational Biology and Chemistry     Hybrid Journal   (Followers: 8)
Computer Aided Chemical Engineering     Full-text available via subscription   (Followers: 2)
Computers & Chemical Engineering     Hybrid Journal   (Followers: 7)
Corrosion Reviews     Full-text available via subscription   (Followers: 4)
Crystal Research and Technology     Hybrid Journal   (Followers: 2)
Current Opinion in Chemical Engineering     Open Access   (Followers: 3)
Education for Chemical Engineers     Hybrid Journal   (Followers: 4)
Ekologia : The Journal of Institute of Landscape Ecology of Slovak Academy of Sciences     Open Access  
Eksergi     Open Access  
Emerging Trends in Chemical Engineering     Full-text available via subscription  
European Polymer Journal     Hybrid Journal   (Followers: 41)
Fibers and Polymers     Full-text available via subscription   (Followers: 3)
Focusing on Modern Food Industry     Open Access   (Followers: 3)
Frontiers of Chemical Science and Engineering     Hybrid Journal   (Followers: 1)
Geochemistry International     Hybrid Journal  
Handbook of Powder Technology     Full-text available via subscription   (Followers: 2)
High Performance Polymers     Hybrid Journal  
Indian Chemical Engineer     Hybrid Journal   (Followers: 3)
Indian Journal of Chemical Technology (IJCT)     Open Access   (Followers: 12)
Industrial & Engineering Chemistry     Full-text available via subscription   (Followers: 9)
Industrial & Engineering Chemistry Research     Full-text available via subscription   (Followers: 18)
Industrial Chemistry Library     Full-text available via subscription   (Followers: 4)
International Journal of Chemical and Petroleum Sciences     Open Access   (Followers: 2)
International Journal of Chemical Engineering     Open Access   (Followers: 6)
International Journal of Chemical Reactor Engineering     Full-text available via subscription   (Followers: 3)
International Journal of Chemical Technology     Open Access   (Followers: 4)
International Journal of Chemoinformatics and Chemical Engineering     Full-text available via subscription   (Followers: 2)
International Journal of Food Science     Open Access   (Followers: 2)
International Journal of Industrial Chemistry     Open Access  
International Journal of Polymeric Materials     Hybrid Journal   (Followers: 3)
International Journal of Science and Engineering     Open Access   (Followers: 7)
International Journal of Waste Resources     Open Access   (Followers: 5)
ISRN Chemical Engineering     Open Access   (Followers: 4)
ISRN Polymer Science     Open Access   (Followers: 11)
Journal of Applied Crystallography     Hybrid Journal   (Followers: 4)
Journal of Applied Electrochemistry     Hybrid Journal   (Followers: 8)
Journal of Applied Polymer Science     Hybrid Journal   (Followers: 193)
Journal of Biomaterials Science, Polymer Edition     Hybrid Journal   (Followers: 8)
Journal of Chemical & Engineering Data     Full-text available via subscription   (Followers: 6)
Journal of Chemical Ecology     Hybrid Journal   (Followers: 2)
Journal of Chemical Engineering     Open Access   (Followers: 4)
Journal of Chemical Engineering and Materials Science     Open Access  
Journal of Chemical Science and Technology     Open Access   (Followers: 2)
Journal of Chemical Sciences     Partially Free   (Followers: 15)
Journal of Chemical Technology & Biotechnology     Hybrid Journal   (Followers: 2)
Journal of Chemical Theory and Computation     Full-text available via subscription   (Followers: 9)
Journal of Coatings     Open Access   (Followers: 3)
Journal of Crystallization Process and Technology     Open Access   (Followers: 5)

        1 2     

Journal Cover High Performance Polymers
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
     ISSN (Print) 0954-0083 - ISSN (Online) 1361-6412
     Published by Sage Publications Homepage  [743 journals]   [SJR: 0.344]   [H-I: 28]
  • Preface
    • Authors: Bhattacharya; B.
      Pages: 627 - 627
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314545848|hwp:resource-id:sphip;26/6/627
      Issue No: Vol. 26, No. 6 (2014)
  • Effect of ceramic fillers on polyethylene glycol-based solid polymer
           electrolytes for solid-state magnesium batteries
    • Authors: Polu, A. R; Kumar, R, Rhee, H. W.
      Pages: 628 - 631
      Abstract: Composite polymer electrolyte (CPE) materials are very attractive for components of batteries and optoelectronic devices. Polyethylene glycol–magnesium nitrate polymer electrolytes and their composites were prepared by using addition of different weight percentage of titanium dioxide (TiO2) and cerium oxide ceramic fillers. Several experimental techniques, such as composition-dependence conductivity, temperature-dependence conductivity, and transport number measurements, have been employed to characterize these CPEs. The magnitude of conductivity increased with increase in the concentration of the ceramic fillers and temperature. The highest ionic conductivity achieved was 1.06 x 10–4 S/cm for the sample prepared with 10 wt% of TiO2 at room temperature. The charge transport in the present CPEs was obtained using Wagner’s polarization technique, which demonstrated that the charge transport was mainly due to ions. Using these polymer electrolytes, solid-state electrochemical cells were fabricated and their discharge profiles were studied under a constant load of 100 k.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314536211|hwp:resource-id:sphip;26/6/628
      Issue No: Vol. 26, No. 6 (2014)
  • Investigation of ionic liquid-based poly(vinyl alcohol) proton conductor
           for electrochemical double-layer capacitor
    • Authors: Liew, C.-W; Ramesh, S, Arof, A. K.
      Pages: 632 - 636
      Abstract: Ionic liquid-based poly(vinyl alcohol) (PVA) proton-conducting polymer electrolytes are prepared using solution casting technique. The effect of adding 1-butyl-3-methylimidazolium iodide (BmImI) ionic liquid into PVA-ammonium acetate polymer system is investigated in this work. Ionic conductivity of polymer electrolytes is increased by two orders of magnitude upon inclusion of 70 wt% of BmImI. Addition of ionic liquid reduces the glass transition temperature and crystallinity of polymer electrolytes. Electrical double-layer capacitors (EDLCs) are assembled using dip-coating technique. The electrochemical properties of fabricated EDLCs are analysed using cyclic voltammetry.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314536212|hwp:resource-id:sphip;26/6/632
      Issue No: Vol. 26, No. 6 (2014)
  • Poly({varepsilon}-caprolactone)-based polymer electrolyte for electrical
           double-layer capacitors
    • Authors: Woo, H. J; Liew, C.-W, Majid, S. R, Arof, A. K.
      Pages: 637 - 640
      Abstract: The potential of electrical double-layer capacitors (EDLCs) fabricated from symmetry activated carbon electrodes and poly(-caprolactone) (PCL)-based polymer electrolytes (PE) have been studied. PEs that consisted of PCL, ammonium thiocyanate, and ethylene carbonate (EC) were prepared by solution casting. In this system, EC was added as a plasticizing solvent to improve the conductivity. The room temperature ionic conductivity of PE increased from 3.94 x 10–7 S cm–1 to 3.8 x 10–5 S cm–1 at 50 wt% EC. In the structural studies carried out by X-ray diffraction, it was found that addition of EC reduces the degree of crystallinity of the entire system. Temperature-dependent conductivity studies showed that Vogel–Tamman–Fulcher model fits very well with regression value close to unity. This observation demonstrates a close coupling between the ionic motion and the polymer segment mobility. The preliminary result of EDLC cell was evaluated by cyclic voltammetry. The single-electrode specific capacitance of EDLC is obtained to be 42.4 F g–1.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314542168|hwp:resource-id:sphip;26/6/637
      Issue No: Vol. 26, No. 6 (2014)
  • Electropolymerization of polyaniline thin films
    • Authors: Rohom, A. B; Londhe, P. U, Mahapatra, S. K, Kulkarni, S. K, Chaure, N. B.
      Pages: 641 - 646
      Abstract: Polyaniline (PANI) thin films have been electrochemically synthesized onto conducting glass substrates. The current study demonstrates that the properties of PANI films depend on the concentration of dopant acid. Well-adherent PANI coatings were obtained under potentiodynamic conditions during sequential scanning of the potential region between –0.35 V and +1.7 V with respect to silver/silver chloride. The structural, optical, and morphological properties of PANI films were studied with the aid of X-ray diffraction (XRD), Raman spectroscopy, ultraviolet–visible (UV-Vis) absorption spectroscopy, photoluminescence (PL) spectroscopy, and field-emission scanning electron microscopy (FESEM). Current–voltage (I-V) measurements were performed to study the electrical properties of PANI films. The XRD peaks observed at 2 = 15.4°, 24.2°, and 25.1° confirm the synthesis of emeraldine form of PANI. The strong absorption peaks observed in the UV-Vis absorption spectra at 317 nm (–* interband transition), 371–427 nm (polaron band transition), and 750 nm (bipolaron band transition) confirm the formation of emeraldine oxidation state of PANI. A broad peak attributed in the PL spectra around 395 nm is related to the transition from polaronic band to the band. All the intense bands attributed in the Raman spectra are associated with the emeraldine oxidation state of PANI. FESEM images reveal the formation of fibers and belts of PANI. Highly conducting thin films of PANI deposited at higher concentrations of dopant acid were confirmed by I-V measurements.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314538081|hwp:resource-id:sphip;26/6/641
      Issue No: Vol. 26, No. 6 (2014)
  • Chlorophyll as sensitizer in I-/I3 --based solar cells with
           quasi-solid-state electrolytes
    • Authors: Hassan, H. C; Abidin, Z. H. Z, Careem, M. A, Arof, A. K.
      Pages: 647 - 652
      Abstract: The performance of chlorophyll dye-sensitized solar cells (DSSCs) with quasi-solid-state polyacrylonitrile (PAN)-based iodide electrolytes has been investigated. The iodide ion-supplying salt used is tetrapropylammonium iodide (TPAI). Chlorophyll is extracted from a species of the moss bryophyte that can be found on rocky surfaces. The DSSC with electrolyte having the composition 9.9 wt% PAN–39 wt% ethylene carbonate–39.7 wt% propylene carbonate–9.9 wt% TPAI–0.8 wt.% iodine produces the highest efficiency of ( ) 1.97% with a short-circuit current density (J sc) of 5.78 mA cm–2, open circuit voltage (V oc) of 0.60 V, and fill factor (FF) of 0.57. The incident photon-to-current efficiency curves follow the current density–voltage characteristics with the DSSC using the above electrolyte exhibiting the highest power conversion at 339 nm. The sensitizer and gel polymer electrolyte play an important role in determining the performance of the DSSC.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314540310|hwp:resource-id:sphip;26/6/647
      Issue No: Vol. 26, No. 6 (2014)
  • Synthesis and characterizations of waterborne poly(acrylate) latexes
    • Authors: Shukla, S; Rai, J. S. P.
      Pages: 653 - 659
      Abstract: Aqueous emulsions used as binders in solvent-free paint formulations have to cope with the challenge to guarantee an excellent film formation and appearance as well as good properties. One strategy to fulfill these contradictory requirements is the employment of pure poly(acrylate) resins synthesized by emulsion polymerization. Kinetic studies involving free radical emulsion polymerization of methyl methacrylate (MMA)-co-n-butyl acrylate (BA) are carried out, so that the effect of BA on polymerization of MMA can be interpreted. In this study, the effect of emulsifier and initiator on the kinetics of polymerization was studied. The polymers were characterized using different analytical tools. The surface tension and contact angle of latexes were also measured by varying the concentration of monomer feed ratios. The results indicated that the incorporation of comonomer enhances the properties of coating formulation of polyacrylates.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314537539|hwp:resource-id:sphip;26/6/653
      Issue No: Vol. 26, No. 6 (2014)
  • Studies on facile synthesis of polyaniline/cadmium sulfide composites and
           their morphology
    • Authors: Ingle, R. V; Arote, S. A, Prasad, M. B. R, Kadam, V. S, Mane, R. S, Inamuddin, , Naushad, M, Tabhane, V. A, Pathan, H. M.
      Pages: 660 - 665
      Abstract: A composite of polyaniline (PANI) and cadmium sulfide (CdS) has been prepared via chemical bath deposition with crystalline structures which is confirmed from the X-ray diffraction (XRD) studies. Scanning electron microscopic studies and XRD have shown that the morphology and crystallinity of the materials in the composite have apparently changed after the formation of composite. The transmission electron microscopic study has revealed that there is an increase in the crystallite size of CdS and its impregnation into the granular pillar-like structure of PANI. The absorption edge of the composite red shifted as compared to that of CdS and blue shifted with respect to that of PANI. Fourier transform infrared spectroscopic studies show a clear shifting of wave numbers indicating the interaction between CdS and PANI due to the strengthening of the C=C bond in PANI.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314539360|hwp:resource-id:sphip;26/6/660
      Issue No: Vol. 26, No. 6 (2014)
  • Selective localization of lithium trifluoromethanesulfonate in the blend
           of hexanoyl chitosan and polystyrene
    • Authors: Winie, T; Shahril, N. S. M, Chan, C. H, Arof, A. K.
      Pages: 666 - 671
      Abstract: The miscibility of hexanoyl chitosan and polystyrene blend at 80:20 composition was investigated using dilute solution viscometry (DSV) and differential scanning calorimetry (DSC) methods. Viscometric and thermal analysis showed that hexanoyl chitosan and polystyrene are immiscible. Polymer electrolytes based on hexanoyl chitosan and polystyrene blend (80:20) were prepared using lithium trifluoromethanesulfonate (LiCF3SO3) as the doping salt. Fourier transform infrared (FTIR) study on polystyrene-LiCF3SO3 suggested that there is no interaction between polystyrene and LiCF3SO3. LiCF3SO3 interacted with hexanoyl chitosan to form Li+-hexanoyl chitosan complexes. DSC results revealed that the glass transition temperature (T g) of hexanoyl chitosan in the blend increases with increasing salt concentration, whereas the T g of polystyrene in the blend remains constant. FTIR and DSC results thus suggested the selective localization of LiCF3SO3 in hexanoyl chitosan phase in the blend. The dependence of conductivity with salt concentration is found to be in agreement with the variation of the spectroscopically free form of $${\mathrm{C}\mathrm{F}}_{3}{\mathrm{S}\mathrm{O}}_{3}^{-}$$ .
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314536215|hwp:resource-id:sphip;26/6/666
      Issue No: Vol. 26, No. 6 (2014)
  • Studies on a proton battery using gel polymer electrolyte
    • Authors: Mishra, K; Hashmi, S. A, Rai, D. K.
      Pages: 672 - 676
      Abstract: A proton-conducting film of gel polymer electrolyte, poly(vinylidene fluoride hexafluoropropylene)/poly(methyl methacrylate) + ammonium thiocyanate + ethylene carbonate + propylene carbonate, has been prepared by solution casting technique. The ionic conductivity of the film is in the order of approximately 10–3 S cm– 1 at room temperature. A proton battery with the configuration zinc + zinc sulfate heptahydrate gel electrolyte lead oxide + vanadium pentoxide has been fabricated using this film as electrolyte and separator between the electrodes. The battery shows an open circuit voltage of 1.45 V and energy density of approximately 10 Wh kg–1at low current drain. The rechargeability of the battery has been observed up to three cycles after which its discharge capacity starts fading.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314537540|hwp:resource-id:sphip;26/6/672
      Issue No: Vol. 26, No. 6 (2014)
  • Structural, thermal, electrical, and dielectric properties of synthesized
           nanocomposite solid polymer electrolytes
    • Authors: Kulshrestha, N; Chatterjee, B, Gupta, P. N.
      Pages: 677 - 688
      Abstract: In the present article, polyvinyl alcohol (PVA) polymer, sodium iodide (NaI) salt, and fumed silica nanoparticles nanofiller have been used for the preparation of solid polymer electrolyte films. Fourier transform infrared spectroscopy has been performed to study the vibrational change due to the complexation among polymer, salt, and nanofiller. X-Ray diffraction has been carried out to study the structural changes in the PVA:NaI (60:40) polymer electrolyte films with fumed silica nanoparticles as dopant. Differential scanning calorimetry studies show decreasing trend in the glass transition temperature for nanocomposite polymer electrolyte films. Thermogravimetric analysis has been performed to study the thermal degradation of the sample. Determination of transference number using Wagner’s polarization technique indicates that the ions are the dominant mobile species. Maximum conductivity of approximately 3.8 x 10–3 S cm–1 at room temperature has been estimated for PVA:NaI (60:40) film containing 0.5% fumed silica nanoparticles with low value of activation energy. Dielectric relaxation studies with temperature show shifts of the relaxation time toward higher value for samples of nanocomposite polymer electrolyte films.
      PubDate: 2014-09-01T05:10:56-07:00
      DOI: 10.1177/0954008314541820|hwp:resource-id:sphip;26/6/677
      Issue No: Vol. 26, No. 6 (2014)
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