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Journal of industrial and engineering chemistry
The Korean Society of Industrial and Engineering Chemistry
Journal of industrial and engineering chemistry

The Korean Society of Industrial and Engineering Chemistry

1226-086X

Journal of industrial and engineering chemistry/Journal Journal of industrial and engineering chemistrySCIEICCRAHCI
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    Fluorination methods and the properties of fluorinated carbon materials for use as lithium primary battery cathode materials

    Ha S.Lim C.Lee Y.-S.
    17页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryFluorinated carbon is chemically stable due to its unique structure and polar C–F bonds; furthermore, fluorinated carbon has various characteristics, such as its thermal conductivity and hydrophobicity, and can exhibit different bond types, including ionic, semi-ionic, and covalent C–F2 and C–F3 bonds. Due to the above properties, fluorinated carbon is mainly used as a cathode material for lithium primary batteries. Therefore, in this review, the synthesis methods of fluorinated carbon used as a cathode material for a lithium primary battery and the various conditions of these methods are summarized. In addition, the physical, chemical, and electrochemical properties of the cathode material of the lithium primary battery are considered according to the type of fluorinated carbon, including graphite, graphene, carbon nanotubes, and carbon nanofibers.
      原文链接:
    • NSTL
    • Elsevier

    Green and sustainable applications of energetic plasmon-activated water

    Yang C.-P.Yu S.-H.Liu Y.-C.
    17页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryThis review describes the use of bulk deionized water (DIW) treatment to become plasmon-activated water (PAW) with reduced hydrogen bonds (HBs). PAW with special properties can be used in innovative applications and development of environmental protection science and sustainable energy management. PAW is a natural water solvent, but PAW subverts the public's idea that hydrophobic solutes are difficult to dissolve in water. PAW can dissolve more-hydrophobic solutes than ordinary water, and can also interact with water-soluble alcohol molecules to form stronger HBs. Moreover, in the application of certain reduction reactions, no chemical reducing agent is needed, and the catalytic reduction effect can be achieved using natural PAW. A characteristic application of PAW can also be extended to seawater desalination. Due to weak HBs among PAW molecules, high water evaporation rates can be produced, and a higher chemical potential can also be applied to the innovative development of solar energy storage. In electrochemical applications, PAW itself can promote water oxidation, oxygen reduction reactions, hydrogen and oxygen evolution reactions, and the efficient capacitor production of H2O2. Furthermore, PAW can delay the melting of sea ice in the habitat of polar bears, so it may be applied to the issue of saving polar bears.
      原文链接:
    • NSTL
    • Elsevier

    A review on adsorption mechanism of gold cyanide complex onto activation carbon

    Xia J.Marthi R.Twinney J.Ghahreman A....
    8页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryGold is an essential metal in the economy and technologies. Most of the gold is produced from mining and cyanidation is the primary method used for gold extraction, with Au(CN)2- being the product. Activated carbon adsorption has been the primary commercial approach to recover gold from Au(CN)2- solution since the 1970 s. In the 21st century, new materials exploration and many experimental and modeling works were conducted to understand more of the adsorption mechanisms of Au(CN)2- onto activated carbon. In this paper, we reviewed the recent materials for gold recovery, such as activated carbon materials, graphene based-materials, and a few other materials. Experimental and modeling studies related to the adsorption mechanism of Au(CN)2- onto activated carbon were also reviewed, which provided a better understanding of the adsorption process. The kinetics of Au(CN)2- adsorption, the role of structural defects and pore size in improving the loading capacity and were also discussed.
      原文链接:
    • NSTL
    • Elsevier

    Impedance spectroscopic study of biodegradable PVA/PVP doped TBAI ionic liquid polymer electrolyte

    De S.Rag S.A.Dhamodharan D.Byun H.-S....
    8页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryThis work aims to understand the ion conduction mechanism in polymer electrolyte membranes. Polyvinyl alcohol and polyvinyl pyrrolidone are chosen as polymer matrix and tetrabutylammonium-iodide as the ionic liquid among various synthetic polymers. Four samples named A-1, A-2, A-3, and A-4 have been synthesized by various concentrations and characterized the membranes through impedance spectroscopy analysis which uncovers the conductivity features of the electrolyte. Out of the four samples, the one with 25 wt.% ionic liquid sample shows better performance than the rest of the samples. The prepared membrane was analysed and understood various parameters such as impedance analysis, dielectric constant, dielectric loss, and electric modulus. The activation energy was calculated for the samples A-2, A-3, and A-4, as 0.27 eV, 0.96 eV and 2.97 eV, respectively. The Arrhenius models for carrier transport have been explained to interpret the conduction mechanism in polymer membranes. The present work has been focused on studying the effect of tetrabutylammonium-iodide ionic liquid on polyvinyl alcohol and polyvinyl pyrrolidone polymer matrix as an electrolyte membrane and the possibility of using this as an electrolyte membrane in devices such as fuel cells, supercapacitors, and batteries.
      原文链接:
    • NSTL
    • Elsevier

    Probing the effect of thickener microstructure on rheological and tribological properties of grease

    Zhou C.Ren G.Lv Y.Fan X....
    13页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryThe thickener microstructure strongly determines the properties of lubricating grease. Here, four types of grease were synthesized through different thickeners (lithium complex soap, polyurea, calcium sulfonate complex soap, bentonite), thickening polyalphaolefin. The influence of the thickener microstructure on the physicochemical, rheological, and tribological properties was evaluated. Results show that the lithium complex soap with a spiral fiber structure shows the best physicochemical properties and the highest yield stress. The four greases show the shear-thinning behavior because of the deformation of the thickener structures. The calcium sulfonate complex soap with a dense porous structure presents optimal tribological properties because of the synergy effect of the thickener deposited film and the tribo-chemical reaction film.
      原文链接:
    • NSTL
    • Elsevier

    Investigation on the antibacterial properties and rapid infected wound healing activity of silver/laterite/chitosan nanocomposites

    Farhangi Ghaleh Joughi N.Mohammadi M.Mahmazi S.Farahpour M.R....
    12页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryInfectious wounds are major threats for healthiness of human beings and challenges for clinical centers. Antibiotics cause antibiotic resistant and alternative treatments must be applied. In this work, Ag/Laterite nanocomposite (NC) was synthesized by an eco-friendly method. The as-synthesized NC was coated with chitosan (Ag/Ltt/Chn-NCs) for healing the infectious wounds. The physicochemical properties of the Ag/Ltt and Ag/Ltt/Chn-NCs were characterized using XRD, FESEM, elemental mapping, EDX, TEM, FT-IR, and DLS techniques. Based on the TEM image, synthesized spherical Ag nanoparticles were formed on the sheet-like structure of laterite, ranging from 12 to 26 nm. In addition, according to EDX, the presence of carbon, oxygen, silicon, aluminum, ferrous, and silver elements was confirmed in the as-synthesized Ag/Ltt-NCs. In vitro antibacterial properties were investigated and tissue bacterial count, pathological parameters, and gene expression were assessed. The results indicated the antibacterial properties of Ag/Ltt and Ag/Ltt/Chn-NCs at in-vitro and in vivo antibacterial activity condition; that this property leads to increase the collagen synthesis and re-epithelization and accelerated the wound healing process through involvement in the expression of pro-inflammatory, TGF-β1, and bFGF gens. Overall, Ag/Ltt/Chn-NCs are safe structures for accelerating infected wound healing and could be utilized in clinical condition after future studies.
      原文链接:
    • NSTL
    • Elsevier

    An integrated porous Ni3S2 electrode assisted by copper with advanced performance for sodium storage

    Zhou L.-F.Gong H.Wang Y.-S.Jia H....
    6页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistrySodium ion battery has been rapidly consolidating its status of the dominant power supplier for largescale energy storage systems as a candidate of lithium ion battery and has gotten widely attention. In this work, an integrated porous Ni3S2 electrode assisted by copper using for sodium storage showed an advanced electrochemical performance and long life-span. Coupled with Cu particles planted on the surface of Ni foam, electron transfer can be fast induced, thus avoiding the electrode damage due to collection electron. It further achieved a superior retention of 88.7 % with the capacity of 417 mAh g?1. In the kinetics analysis, the capacitance-controlled capacity in the electrochemical process dominated, and the fast calculated Na+ diffusion coefficients was 4 × 10-10 cm2 s?1. Therefore, it deserves attention and further research for the commercial application of large-scale energy storage.
      原文链接:
    • NSTL
    • Elsevier

    Facile fabrication of thermoresponsive polyurethanes including polycarbonate diol for enhanced shape-memory performance

    Baek S.H.Kim J.H.
    6页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryShape-memory polymers (SMPs) are materials that can recover its original shape from a temporarily fixed shape via external stimuli. Due to their shape-memory effects, SMP-based materials have been investigated for engineering applications in diverse areas. Among various SMP materials, shape-memory polyurethane (SMPU) has been extensively studied. Several studies have modified the morphology of SMPU matrices by incorporating various types of polyol components. In this study, we used two structurally distinct polyol substances, polycarbonate diol (PCD) and polyethylene glycol, to synthesize SMPU. The structures of the SMPU matrix could be tuned by varying the PCD mol% of the total polyol content. Shape-memory and mechanical properties are related to the interactions between the soft and hard segments of the SMPU. The permanent shape of the SMPU can be redefined by utilizing the shape-reconfigurable nature of transcarbamoylation. The redefined permanent shape can also be recovered from the temporarily deformed shape through shape-memory cycles.
      原文链接:
    • NSTL
    • Elsevier

    Cascade hydrogenation of n-C16 to produce jet fuel over tandem catalysts of modified ZSM-22

    Li Y.Sun J.Wei J.Mu C....
    10页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryZSM-22 with one-dimensional straight channels and suitable acid properties is widely applied in the selective hydrocracking of long-chain alkanes to produce middle distillate. In this work, the tandem catalysts with two kinds of modified ZSM-22 were employed in series to optimize the distribution of the product in the hydrotreatment of n-C16 to produce jet fuel. The yield of linear alkanes with high carbon numbers was enhanced over the upstream catalyst bed of Pt/L-HZSM-22 with shielded external acid sites while the isomerization with less further cracking occurred over the downstream catalyst bed of Pt/Me-HZSM-22 with introduced mesopores. The tandem catalysts can combine the ability of Pt/L-HZSM-22 to produce heavy n-alkanes and the stronger isomerization performance of Pt/Me-HZSM-22. The highest yield of jet fuel (～23 wt.%) can be obtained over the tandem catalysts instead of any individual catalyst. The strategy of the tandem zeolite has been initially verified and proposed to broaden the investigation perspectives of the oil refinery.
      原文链接:
    • NSTL
    • Elsevier

    Effect of silane acrylate on the surface properties, adhesive performance, and rheological behavior of acrylic pressure sensitive adhesives for flexible displays

    Seok W.C.Park J.H.Song H.J.
    13页
    查看更多>>摘要：? 2022 The Korean Society of Industrial and Engineering ChemistryIn this study, novel silane acrylates, urethane silane acrylate (USA) and urethane silane linear acrylate (USLA), comprised of urethane and silane groups were designed and synthesized, and their effect on the surface properties, adhesion, and rheological behavior of acrylic PSA was evaluated. The introduction of the synthesized USA and USLA affected the chain arrangement, and at least 3 wt% of the silane acrylates was required to alter the surface properties (roughness and wettability). Compared to a commercial silane acrylate (SA), USA and USLA showed improved cohesion of the acrylic PSA aided by the urethane bond; however, the length of the terminal silane groups produced some variations. USA improved the cohesive properties of acrylic PSA due to its short chain, which further increased the peel strength of the acrylic PSA as compared to USLA (USA: 1363 ± 173 gf/25 mm, USLA: 1258 ± 132 gf//25 mm, based on 1 wt% content). However, at 3 wt% or more, excessive cohesion led to a decrease in the interaction with the substrate, thereby decreasing the peel strength. On the other hand, SA gradually increased the peel strength of the acrylic PSA, but cohesive failure occurred due to the insufficient increase in the cohesion. With respect to the flexibility of the acrylic PSAs, SA slightly improved the modulus of the high-temperature region aided by the silane group, and the recovery properties were increased from 10.8% to a maximum of 31% at 100% strain. In addition, the low cohesive properties resulted in very high stress relaxation properties (>99%). The effects of USA and USLA on flexibility were similar, but the high cohesive force further improved the elastic properties, resulting in better recovery than those imparted by SA (USA: 87 ～ 89.4%, USLA: 56.6 ～ 91.7%). Comparing the two urethane-based silane acrylates, the stress relaxation property of USA was lower than that of USLA, which is related to the cohesive property of the acrylic PSA. In addition, all of the synthesized acrylic PSAs showed excellent optical properties with transmittance >98.1% and haze <2.23%, indicating their potential for application in flexible displays.
      原文链接:
    • NSTL
    • Elsevier