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Select papers from Eco-Energy and Materials Science and Engineering Symposium (EMSES2018)

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: closed (15 June 2019) | Viewed by 18281

Special Issue Editors

Prof. Dr. Hideaki Ohgaki

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Guest Editor
Advanced Energy Generation Research Division, Kyoto University, Kyoto 606-8501, Japan
Interests: renewable energy implementation; rural electrification; nuclear technology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hiroyuki Hamada

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Guest Editor
Kansai FRP Forum, Kyoto Institute of Technology, Kyoto City 606-8585, Japan
Interests: new material for energy
Special Issues, Collections and Topics in MDPI journals
Dr. Sommai PIVSA-ART

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Guest Editor
Faculty of Engineering, Rajamangala University of Technology Thanyaburi (RMUTT), Pathum Thani 12110, Thailand
Interests: new material for energy
Special Issues, Collections and Topics in MDPI journals
Dr. Boonyang Plangklang

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Guest Editor
Faculty of Electrical Engineering, Rajamangala University of Technology Thanyaburi (RMUTT), Pathumthani 12110, Thailand
Interests: electrical power system; solar and renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

The 14th Eco-Energy and Materials Science and Engineering Symposium (EMSES2018  is an annual conference for world-renowned scholars, researchers and young students in the field of “energy, environment and materials science”. The scope of EMSES2018 will include, but is not limited to, the various disciplines of energy, environment, materials and engineering including: energy technology, materials science, environment and social impact, new energy and fusion, advanced technology, and so on.

The EMSES2018 will prepare diverse programs, including a plenary/keynote sessions, oral/poster sessions, exhibitions, and social events. We are ready to reach out and listen to various and valuable voices from professionals and industry colleagues globally and are willing to reflect their wishes in the program, serving as a bridge between them and beyond.

The venue of EMSES2018 is Kyoto. Each year more than 20 million peoples visit Kyoto to enjoy its exotic natural beauty, local culture and various leisure activities. As the chairman of EMSES2018, I am certain that EMSES2018 will be a memorable experience for you, both personal and professional.

We warmly invite you to participate in the EMSES2018 program of activities. We are confident that you will find the program to be enriching, enlightening and rewarding.

Prof. Dr. Hideaki Ohgaki
Prof. Dr. Hiroyuki Hamada
Assist. Prof. Dr. Sommai PIVSA-ART
Assoc. Prof. Dr. Boonyang Plangklang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Energy Technology Session
  • Energy Efficiency and Rational Use of Energy
  • New Energy Materials
  • New Energy and Fusion Session
  • Environmental Contamination and Remediation
  • Social Impact and Development Session
  • National Development Policies and Development Aid
  • Governance, Civil Society and People’s Participation
  • Regional Economic Integration: Opportunity and Marginalization
  • Sustainable Consumption and Production
  • Safety, Environmental and Economic Aspects of Fusion

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (5 papers)

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Research

13 pages, 9571 KiB  
Article
Effect of Doubled Sandblasting Process and Basic Simulated Body Fluid Treatment on Fabrication of Bioactive Stainless Steels
by Takeshi Yabutsuka, Ryoki Karashima, Shigeomi Takai and Takeshi Yao
Materials 2018, 11(8), 1334; https://doi.org/10.3390/ma11081334 - 1 Aug 2018
Cited by 13 | Viewed by 2972
Abstract
In our recent study, we aimed to impart hydroxyapatite (HA)-forming to bioinert stainless steels (SUS316L). The surfaces of SUS316L specimen were treated by a sandblasting process using alumina grinding particles with 14.0 or 3.0 μm for average particle size, respectively. In addition, a [...] Read more.
In our recent study, we aimed to impart hydroxyapatite (HA)-forming to bioinert stainless steels (SUS316L). The surfaces of SUS316L specimen were treated by a sandblasting process using alumina grinding particles with 14.0 or 3.0 μm for average particle size, respectively. In addition, a doubled sandblasting process (DSP) using the 14.0 μm particles and subsequently 3.0 μm ones were also conducted. Compared with the case of the 14.0 μm particles, the 3.0 μm particles were available to increase the surface roughness and the surface area of the specimen. Moreover, these values were further increased in the case of the DSP. These specimens were soaked in simulated body fluid (SBF) at pH = 8.4, 25 °C and were directly heated in the solution by electromagnetic induction. By this treatment, formation of CaP was induced on each specimen. These materials performed high HA-forming ability in SBF. Average bonding strength of the HA film formed on them in SBF was increased depending on the increase of surface roughness and surface area. These results indicated that sandblasting condition was an important factor to improve interlocking effect related to the increase of the surface roughness and the surface area. Full article
(This article belongs to the Special Issue Select papers from Eco-Energy and Materials Science and Engineering Symposium (EMSES2018))
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11 pages, 5405 KiB  
Article
Synthesis and Characterizations of (CoxMg(2−x))SiO4 Forsterite Ceramic Pigments from Mirror Waste
by Niti Yongvanich, Kullada Supanichwatin, Jitat Penglan and Narit Triamnak
Materials 2018, 11(7), 1210; https://doi.org/10.3390/ma11071210 - 13 Jul 2018
Cited by 5 | Viewed by 3498
Abstract
Ceramic pigments have been widely used in a variety of industries because of their excellent properties, such as high thermal stability, low-cost productions, and simple manufacturing processes. Re-use of mirror waste, which consists of silicon dioxide greater than 70%, is a method that [...] Read more.
Ceramic pigments have been widely used in a variety of industries because of their excellent properties, such as high thermal stability, low-cost productions, and simple manufacturing processes. Re-use of mirror waste, which consists of silicon dioxide greater than 70%, is a method that can reduce raw materials cost. In this work, ceramic pigment with forsterite structure, Mg2SiO4, was synthesized via conventional solid state reaction by using mirror waste as a precursor. Solid solutions of Co-doped forsterite pigment, CoxMg(2−x)SiO4 where x = 0.02–1.6, were calcined at 1000 °C for 2 h. The calcined powders were characterized by X-ray diffraction technique (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), UV-Vis spectrophotometer, and color measurement (CIEL*a*b*). XRD results confirmed that forsterite phase was found as a main phase in the ceramic powder. However, the forsterite phase decreased with increased concentration of Co to x = 0.8–1.6. This could be because of the solubility limit of Co in solid solution. In addition, the use of mirror waste as a raw material was able to reduce calcination temperature compared to the use of oxide reagents. Color measurements or CIEL*a*b* color space of forsterite pigments were located in red-blue quadrant for Co-doped pigment. Full article
(This article belongs to the Special Issue Select papers from Eco-Energy and Materials Science and Engineering Symposium (EMSES2018))
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13 pages, 3622 KiB  
Article
Facile Preparation and Characterization of Short-Fiber and Talc Reinforced Poly(Lactic Acid) Hybrid Composite with In Situ Reactive Compatibilizers
by Phornwalan Nanthananon, Manus Seadan, Sommai Pivsa-Art, Hiroyuki Hamada and Supakij Suttiruengwong
Materials 2018, 11(7), 1183; https://doi.org/10.3390/ma11071183 - 10 Jul 2018
Cited by 17 | Viewed by 3608
Abstract
Hybrid composites of fillers and/or fibers reinforced polymer was generally produced by masterbatch dilution technique. In this work, the simplified preparation was introduced for the large volume production of 30 wt % short-fiber and talcum reinforced polymer hybrid composite by direct feeding into [...] Read more.
Hybrid composites of fillers and/or fibers reinforced polymer was generally produced by masterbatch dilution technique. In this work, the simplified preparation was introduced for the large volume production of 30 wt % short-fiber and talcum reinforced polymer hybrid composite by direct feeding into twin-screw extruder. Multifunctional epoxide-based terpolymer and/or maleic anhydride were selected as in situ reactive compatibilizers. The influence of fiber and talcum ratios and in situ reactive compatibilizers on mechanical, dynamic mechanical, morphological and thermal properties of hybrid composites were investigated. The morphological results showed the strong interfacial adhesion between fiber or talcum and Poly(lactic acid) (PLA) matrix due to a better compatibility by reaction of in situ compatibilizer. The reactive PLA hybrid composite showed the higher tensile strength and the elongation at break than non-compatibilized hybrid composite without sacrificing the tensile modulus. Upon increasing the talcum contents, the modulus and storage modulus of hybrid composites were also increased while the tensile strength and elongation at break were slightly decreased compared to PLA/fiber composite. Talcum was able to induce the crystallization of PLA hybrid composites. Full article
(This article belongs to the Special Issue Select papers from Eco-Energy and Materials Science and Engineering Symposium (EMSES2018))
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12 pages, 2931 KiB  
Article
Hydrophilic and Hydrophobic Mesoporous Silica Derived from Rice Husk Ash as a Potential Drug Carrier
by Supakij Suttiruengwong, Sommai Pivsa-Art and Metta Chareonpanich
Materials 2018, 11(7), 1142; https://doi.org/10.3390/ma11071142 - 5 Jul 2018
Cited by 11 | Viewed by 4279
Abstract
This work describes the preparation of mesoporous silica by the green reaction of rice husk ash (RHA) with glycerol, followed by the modification and the potential use as a drug carrier. The reaction was carried out at 215 °C for 2 h. The [...] Read more.
This work describes the preparation of mesoporous silica by the green reaction of rice husk ash (RHA) with glycerol, followed by the modification and the potential use as a drug carrier. The reaction was carried out at 215 °C for 2 h. The solution was further hydrolyzed with deionized water and aged for various times (24, 48, 120, 360, 528 and 672 h) before calcinations at 500 °C for 24 h. Further treatment of prepared mesoporous silica was performed using trimethylmethoxysilane (TMMS) to obtain hydrophobic Mesoporous silica. For all synthesized silicas, silica contents were as high as 95 wt %, whereas organic residues were less than 3 wt %. RHA-glycerol showed the highest specific surface area with smallest pore diameter (205.70 m2/g, 7.46 nm) when aged for 48 h. The optimal hydrolysis-ageing period of 120 h resulted in 500.7 m2/g specific surface area, 0.655 cm3/g pore volume and 5.23 nm pore diameter. The surface modification of RHA-glycerol occurred through the reaction with TMMS as confirmed by FTIR (Fourier-transform infrared spectroscopy). Ibuprofen was selected as a model drug for the adsorption experiments. The adsorption under supercritical CO2 was carried out at isothermal temperature of 40 °C and 100 bar; % ibuprofen loading of TMMS modified mesoporous silica (TMMS-g-MS) was 6 times less than that of mesoporous silica aged for 24 h (MS-24h) due to the hydrophobic nature of modified mesoporous silica, not surface and pore characteristics. The release kinetics of ibuprofen-loaded mesoporous silicas were also investigated in vitro. The release rate of ibuprofen-loaded MS-24h was much faster than that of ibuprofen-loaded TMMS-g-MS, but comparable to the crystalline ibuprofen. The slower release rate was attributed to the diffusion control and the stability of hydrophobic nature of modified silica. This would allow the design of a controlled release drug delivery system. Full article
(This article belongs to the Special Issue Select papers from Eco-Energy and Materials Science and Engineering Symposium (EMSES2018))
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10 pages, 2489 KiB  
Article
Effect of PDLA and Amide Compounds as Mixed Nucleating Agents on Crystallization Behaviors of Poly (l-lactic Acid)
by Thanawat Khwanpipat, Manus Seadan and Supakij Suttiruengwong
Materials 2018, 11(7), 1139; https://doi.org/10.3390/ma11071139 - 5 Jul 2018
Cited by 15 | Viewed by 3227
Abstract
The improvement of the rate of crystallization and crystallinity of poly (l-lactic acid) (PLLA) is one of the key performance elements for PLLA to perform better at the higher temperature than its heat deflection temperature (around 60 °C). The organic nucleating [...] Read more.
The improvement of the rate of crystallization and crystallinity of poly (l-lactic acid) (PLLA) is one of the key performance elements for PLLA to perform better at the higher temperature than its heat deflection temperature (around 60 °C). The organic nucleating agent compounds are one of the interesting choice as they can offer the clarity of products. On the other hand, the nucleated PLLA can be prepared using a low molecular weight poly (d-lactic acid) (PDLA). The aim of this work was to explore the effect of an unsaturated amide compound and PDLA as single and mixed nucleating agents used for PLLA. The crystallization rate and kinetics were investigated and compared for the synthetic unsaturated amide compound (N,N′-ethylenebis (10-undecenamide) (EBU)) and commercial hydrazide compound (tetramethylenedicarboxylic dibenzoylhydrazide (TMC-306)). PLLA samples was prepared by melt-mixing with TMC or EBU incorporated with peroxide. The influence of different nucleating agents loading on thermal properties, crystallization behaviors, and rheological properties of PLLA were explored by differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). The results showed that the addition of EBU or TMC 0.5 phr could pronouncedly increase the crystallinity of PLLA from 3.80% to 24.84% and 8.61%, respectively. The crystallization peak appeared at 112.3 °C in the cooling scan at the rate 7 °C/min when addition EBU and peroxide into PLLA. This indicated that EBU acted as an efficient nucleating agent for PLLA. In isothermal crystallization run at 110 °C, it was found that the overall crystallization rate of nucleated PLLA with TMC or EBU was much faster than neat PLLA. The crystallization half-time indicated that the existence of TMC or EBU could slightly decrease to 2.90 and 1.96 min, respectively compared to neat PLLA (4.60 min). Finally, a low molecular weight PDLA with different contents between 3 and 7 wt % was added in PLLA with EBU and peroxide to investigate the effect of mixed nucleating agents. The crystallization rate of the incorporation of PDLA/EBU/peroxide into PLLA was discussed with the proposed crystallization mechanism. The results revealed the stereocomplex temperature peak at 207 °C as well as normal melting temperature of PLLA. The kinetics of growth crystallization, the crystallization half-time of PLLA at 110 °C was reduced from 4.60 min to 1.96 min (when adding EBU alone) and to 2.62 min (when using mixed PDLA and EBU). Full article
(This article belongs to the Special Issue Select papers from Eco-Energy and Materials Science and Engineering Symposium (EMSES2018))
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