Chika TAKAI-YAMASHITA

J-GLOBAL         Last updated: Sep 14, 2019 at 23:15
 
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Name
Chika TAKAI-YAMASHITA
Nickname
Chika Takai-Yamashita
E-mail
c_takaigifu-u.ac.jp
Affiliation
Gifu University
Section
Faculty of Engineering Department of Chemistry and Biomolecular Science
Research funding number
30599056
ORCID ID
0000-0001-7454-5853

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
Nov 2018
 - 
Today
Gifu University
 
Apr 2011
 - 
Aug 2014
Researcher, Nagoya Institute of Technology Educational Research Center, Ceramics Research Laboratory, Nagoya Institute of Technology
 

Published Papers

 
Yuki Nakashima, Hadi Razavi-Khosroshahi, Chika Takai, Masayoshi Fuji
Advanced Powder Technology   30 1160-1164   Jun 2019
© 2019 The Society of Powder Technology Japan “Non-firing” ceramics have recently attracted much attention because many functional ceramics can be achieved by this method without the sintering process. The underlying idea of this method is to acti...
Chika Takai-Yamashita, Masafumi Ando, Hadi Razavi-Khosroshahi, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   567 1-6   Apr 2019
© 2019 Elsevier B.V. The monoclinic vanadium dioxide, VO 2 (M), undergoes reversible phase transition from monoclinic (semiconductor) to tetragonal (metal), which exhibits a good thermochromic property. VOSO 4 , as a vanadium source, is easy to h...
Chika Takai-Yamashita, Masafumi Ando, Hadi Razavi-Khosroshahi, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   566 134-140   Apr 2019
© 2018 Elsevier B.V. Vanadium dioxide (VO 2 ) exhibits a good thermochromic property which can be used in a smart window. To improve its poor visible transparency, immobilization of the VO 2 nanoparticles on the silica shell of hollow nanoparticl...
Chisato Takahashi, Yuji Hattori, Shinya Yagi, Takaaki Murai, Chika Takai, Noriko Ogawa, Masaki Tanemura, Masayoshi Fuji, Yoshiaki Kawashima, Hiromitsu Yamamoto
Materials Science and Engineering C   97 78-83   Apr 2019
© 2018 Ionic liquids (ILs) containing imidazolium cations have a number of useful properties, such as high permeability to cells, high antimicrobial activity, and good biocompatibility. With the aid of ILs, transdermal delivery, solubilization of ...
Yuki Nakashima, Hadi Razavi-Khosroshahi, Hajime Ishida, Chika Takai, Masayoshi Fuji
Advanced Powder Technology   30 461-465   Feb 2019
© 2018 The Society of Powder Technology Japan “Non-firing” ceramics have recently attracted much attention in recent years because many functional materials can be achieved by this method without the aid of sintering process. Amorphous silica powd...
W. Suthabanditpong, C. Takai, H. Razavi-Khosroshahi, Y. Okada, M. S. El-Salmawy, M. Fuji
Advanced Powder Technology   30 207-213   Jan 2019
© 2018 The Society of Powder Technology Japan Thermal insulation materials with a low thermal conductivity are indeed demanded because they play the main role in the enhancement of energy conservation in various industries, especially lightweight...
Chika Takai-Yamashita, Hidenori Nagamine, Yuki Nakashima, Peng Bo, Masayoshi Fuji
Advanced Powder Technology   29 3062-3069   Dec 2018
© 2018 The Society of Powder Technology Japan We developed a simple and versatile technique for a particle's self-organizing-network based on a non-solvent induced micro-phase separation (NIPS). When a good solvent vaporizes from a particle disper...
Oxidation/reduction control of the VO2 nanoparticle in the nano-confined space of the hollow silica nanoparticle
ChikaTakai-Yamashita, Masafumi Ando, Hadi Razavi-Khosroshahi, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects      Dec 2018   [Refereed]
Peng Bo, Takai Chika, Razavi-khosroshahi Hadi, Fuji Masayoshi
ADVANCED POWDER TECHNOLOGY   29(9) 2091-2096   Sep 2018   [Refereed]
Peng Bo, Takai Chika, Razavi-Khosroshahi Hadi, El Salmawy M. S., Fuji Masayoshi
ADVANCED POWDER TECHNOLOGY   29(8) 1865-1870   Aug 2018   [Refereed]
Nakashima Yuki, Razavi-Khosroshahi Hadi, Takai Chika, Fuji Masayoshi
ADVANCED POWDER TECHNOLOGY   29(8) 1900-1903   Aug 2018   [Refereed]
Yuki Nakashima, Chika Takai, Hadi Razavi-Khosroshahi, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   546 301-306   Jun 2018   [Refereed]
© 2018 Elsevier B.V. This paper describes the synthesis mechanism of the hollow silica nanoparticles (HSNPs) with various concentrated poly acrylic acid (PAA) solutions, and the effect of the PAA concentration on the morphology of the HSNPs was in...
Masayoshi Fuji, Chika Takai
Nanoparticle Technology Handbook   493-497   May 2018
© 2018 Elsevier B.V. All rights reserved. Thermal insulation materials are fruitful results, on which continuous research and developments have been made for more comfortable life. Incorporation of gas phase in the wall materials is one of the eff...
Mamoru Senna, Hirotaka Noda, Yunzi Xin, Hiroki Hasegawa, Chika Takai, Takashi Shirai, Masayoshi Fuji
RSC Advances   8 36338-36344   Jan 2018
© 2018 The Royal Society of Chemistry. Metal oxides with an oxidation number lower than the highest often exhibit attractive functional properties. However, conventional chemical or thermal reduction of the stable oxides is often laborious and can...
Yuki Nakashima, Chika Takai, Hadi Razavi-Khosroshahi, Walaiporn Suthabanditpong, Masayoshi Fuji
Advanced Powder Technology   29(4) 904-908   Jan 2018   [Refereed]
© 2018 The Society of Powder Technology Japan. The ultra-small hollow silica nanoparticles were synthesized using the prepared amorphous calcium carbonate (ACC) particles as a template. The ACC particles were firstly prepared by carbonation method...
Bimal P. Singh, Sasmita Nayak, Sasmita Nayak, Kamala K. Nanda, Kamala K. Nanda, Anurag Singh, Chika Takai, Shirai Takashi, Masayoshi Fuji
Polymer Composites   39(1) 297-304   Jan 2018   [Refereed]
© 2018 Society of Plastics Engineers We present a simple solution-based general approach for the preparation of flexible, transparent, and conducting composite films with molecular level dispersion of individual graphene nanosheets in the polymer ...
Takai Chika, Senna Mamoru, Hoshino Satoshi, Razavi-Khosroshahi Hadi, Fuji Masayoshi
RSC ADVANCES   8(38) 21306-21315   2018   [Refereed]
Aki Kawamura, Shoichi Ueno, Chika Takai, Takashi Takei, Hadi Razavi-Khosroshahi, Masayoshi Fuji
Advanced Powder Technology   28(10) 2488-2495   Oct 2017   [Refereed]
© 2017 The Society of Powder Technology Japan Fumed silica is an important industrial material, which is widely used in medical, cosmetic, and electronic products. One important industrial application of the fumed silica powder is using it as fill...
藤正督, 高井千加, 土本順造, 入江光輝, TARHOUNI Jamila
沙漠研究   27(1) 33‐39-39   Jun 2017
<p>Sediment occupies the storage capacity of reservoirs and reduces the sustainability of the surface water resource. The countermeasure is simply dredging, but it has not been carried out due to financial reasons, especially in developing countri...
Chen Guo, Yasuo Kondo, Chika Takai, Masayoshi Fuji
Journal of Materials Science: Materials in Electronics   28(11) 7633-7642   Jun 2017   [Refereed]
© 2017, Springer Science+Business Media New York. Multi-walled carbon nanotubes/silicone conductive nanocomposites are of great significance because of their unique electrical and mechanical properties and are expected to open up a new field of ap...
Chen Guo, Yasuo Kondo, Chika Takai, Masayoshi Fuji
Polymer International   66(3) 418-427   Mar 2017   [Refereed]
© 2016 Society of Chemical Industry Due to the growing demand for tactile sensors, the possibility of detecting an external uniaxial pressure by the piezoresistive measuring of a conductive filler/elastomer composite was investigated. A series of ...
Chika Takai-Yamashita, Masafumi Ando, Masashi Noritake, Hadi Razavi Khosroshahi, Masayoshi Fuji
Advanced Powder Technology   28 398-405   Feb 2017
© 2016 The Society of Powder Technology Japan A water-in-oil (W/O) emulsion, in which the water phase including poly (acrylic acid) (PAA), ammonium hydroxide (NH3 aq.), and sodium hydroxide aqueous solutions (NaOH aq.) dispersed in ethanol (EtOH),...
藤正督, 井上良宏, 高井千加, 中島佑樹, 石原真裕
粉体工学会誌   54(11) 725‐731(J‐STAGE)-731   2017
<p>A simple quality management for ceramic slurries using a capillary electrophoresis was proposed. The capillary electrophoresis has a lot of advantages for the slurry component analysis. However, the ability of the quantitative analysis to the s...
Yuki Nakashima, Chika Takai, Chen Wanghui, Hadi Razavi-Khosroshahi, Takashi Shirai, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   507 164-169   Oct 2016   [Refereed]
© 2016 Elsevier B.V. This paper describes the effect of the viscosity of the template on the sol-gel synthesis which is useful to rapidly form the shell structure of hollow silica nanoparticles (HSNPs) and control the HSNP sizes. The Poly acrylic ...
Yuki Nakashima, Chika Takai, Hadi Razavi-Khosroshahi, Takashi Shirai, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   506 849-854   Oct 2016   [Refereed]
© 2016 This paper describes the amine effect on the sol-gel synthesis which can rapidly form the shell structure of the hollow silica nanoparticles (HSNPs). Poly acrylic acid (PAA)/amine emulsion templates for the silica coating were formed in eth...
Chika Takai-Yamashita, Ibuki Shinkai, Masayoshi Fuji, M. S. EL Salmawy
Advanced Powder Technology   27 2032-2038   Sep 2016
© 2016 The Society of Powder Technology Japan Synthesis of microcapsulation of Na2SO4·10H2O for latent heat storage using water-in-oil (W/O) was proposed. Effect of water soluble polymers such as polyethyleneimie (PEI), poly (acrylic acid) (PAA), ...
Masayoshi Fuji, Chika Takai
Kobunshi   65 360-362   Jul 2016
Thermal barrier and thermal insulation techniques are strongly required for a comfortable life. This paper firstly reviews conventional techniques such as films to adjust solar radiation and multi-layered glasses. Then, the superior thermal insula...
高井千加
ホソカワ粉体工学振興財団年報(Web)   (23) 88‐95 (WEB ONLY)   May 2016
Wanghui Chen, Chika Takai, Hadi Razavi Khosroshahi, Masayoshi Fuji, Takashi Shirai
Advanced Powder Technology   27(3) 812-818   May 2016   [Refereed]
© 2015 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. Well-defined SiO 2 /TiO 2 double-shell hollow particles (STDSHPs) were successfully fabricated by a sol-gel ...
Bo Peng, Chika Takai, Masayoshi Fuji, Takashi Shirai
Advanced Powder Technology   27(3) 871-876   May 2016   [Refereed]
© 2015 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. Electro-conductive membranes formed by carbon nanoparticle network array were fabricated via micro-phase sep...
Chika Takai-Yamashita, Takahiro Ishino, Masayoshi Fuji, Koji Inoue
Colloids and Surfaces A: Physicochemical and Engineering Aspects   493 9-17   Mar 2016
© 2015 Elsevier B.V. A ZnO supported hollow SiO2 (ZnO/h-SiO2) composite nanoparticle with a strong yellow emission has been prepared using the Zn(OAc)2 precursor with a catalytic amount of NaOH. A single nano-sized ZnO having defective oxygen homo...
Aki Kawamura, Chika Takai, Masayoshi Fuji, Takashi Shirai
Colloids and Surfaces A: Physicochemical and Engineering Aspects   492 249-254   Mar 2016   [Refereed]
© 2016 Elsevier B.V. The effects of a solvent on the surface modification progress of fumed silica were investigated. Hexane, toluene, and acetone as the reacting solvent and hexyltriethoxysilane as the surface modifier were used. After a 1. h rea...
Chika Takai-Yamashita, Takahiro Ishino, Hadi Razavi-Khosroshahi, Masayoshi Fuji
Journal of the Ceramic Society of Japan   124 239-241   Mar 2016
© 2016 The Ceramic Society of Japan. All rights reserved. Preparation of a fluorescent ZnO/h-SiO2 nanoparticle was proposed using Zn(OAc)2 with NaOH. It exhibited a strong yellow emission. The key factor was micropores (1.45 nm) in the SiO2 shell....
W. Suthabanditpong, M. Tani, C. Takai, M. Fuji, R. Buntem, T. Shirai
Advanced Powder Technology   27(2) 454-460   Mar 2016   [Refereed]
© 2016 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. A light diffuser film based on hollow silica nanoparticles as fillers was facilely fabricated by coating a s...
W. Suthabanditpong, C. Takai, M. Fuji, R. Buntem, T. Shirai
Advanced Powder Technology   27(2) 411-416   Mar 2016   [Refereed]
© 2016 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. This study presents the optical properties of UV-cured acrylate films modified with spherical silica nanopar...
Aki Kawamura, Haijing Liu, Haijing Liu, Chika Takai, Takashi Takei, Hadi K. Razavi, Masayoshi Fuji
Advanced Powder Technology   27(2) 765-772   Mar 2016   [Refereed]
© 2016 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. The surface modification of silica particles by an organic functional group has been intensively studied, an...
藤 正督, 高井 千加
New glass   31(1) 24-27   Mar 2016
W. Suthabanditpong, C. Takai, M. Fuji, R. Buntem, T. Shirai
Physical Chemistry Chemical Physics   18(24) 16293-16301   Jan 2016   [Refereed]
© 2016 the Owner Societies. This study successfully improved the optical properties of silica/UV-cured polymer composite films made of hollow silica nanoparticles having a hierarchical structure. The particles were synthesized by an inorganic part...
Wanghui Chen, Chika Takai, Hadi Razavi Khosroshahi, Masayoshi Fuji, Takashi Shirai
Ceramics International   42(1) 559-568   Jan 2016   [Refereed]
© 2015 Elsevier Ltd and Techna Group S.r.l. We successfully constructed uniform and complete TiO 2 shells on SiO 2 cores in a short reaction time (2 h) and obtained the core–shell particles with high dispersibility. In this modified sol–gel method...
Yuki Nakashima, Takashi Shirai, Chika Takai, Masayoshi Fuji
Journal of the Ceramic Society of Japan   124(1) 122-124   Jan 2016   [Refereed]
©2016 The Ceramic Society of Japan. All rights reserved. Aluminum oxycarbide (Al 2 OC) is known as a promising material for refractory and abrasive uses. However, Al 2 OC is synthesized at high temperatures with a long reaction time by an electric...
Takai Yamashita Chika, So Jongmin, Fuji Masayoshi
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   124(1) 55-59   Jan 2016   [Refereed]
武井孝, 藤正督, 高井千加
粉体工学会誌   53(10) 655‐666(J‐STAGE)   2016
藤正督, 高井千加
粉体工学会誌   53(11) 724‐733(J‐STAGE)   2016
Chika Takai-Yamashita, Hiroshi Imabeppu, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   483 81-86   Oct 2015
© 2015 Elsevier B.V. Synthesis of hollow silica nanoparticles using poly (acrylic acid) (PAA)-amine aggregates as nano-sized template was proposed. The PAA-amine mixtures dissolve in water, but not in ethanol, therefore the mixtures can be a templ...
Wanghui Chen, Chika Takai, Hadi Razavi Khosroshahi, Masayoshi Fuji, Takashi Shirai
Colloids and Surfaces A: Physicochemical and Engineering Aspects   481 375-383   Sep 2015   [Refereed]
© 2015 Elsevier B.V. SiO 2 coating on the surface of negatively charged polymer beads (n-PBs) succeeded in a typical Stöber process with tetraethyl orthosilicate (TEOS). The core-shell structure of the resulting particles was confirmed by TEM obse...
Yan Shi, Chika Takai, Takashi Shirai, Masayoshi Fuji
Journal of Nanoparticle Research   17(5)    May 2015   [Refereed]
© 2015, Springer Science+Business Media Dordrecht. This article presents a facile and green route to the synthesis of hollow silica particles by means of anionic particles of poly(sodium methacrylate) (PMANa) as templates. This method was composed...
M. Fuji, C. Takai, H. Imabeppu, X. Xu
Journal of Physics: Conference Series   596    Jan 2015   [Refereed]
Hollow silica (SiO2) nanoparticles with tunable shell microstructures were synthesized in ethanol solvent by using a polyelectrolyte as template. The polyelectrolyte template was composed of poly (acrylic acid) (PAA) with small amount of ammonia s...
W. Suthabanditpong, R. Buntem, C. Takai, M. Fuji, T. Shirai
Surface and Coatings Technology   279 25-31   Jan 2015   [Refereed]
© 2015 Elsevier B.V. A thin solid silica UV-cured film was prepared by coating the dispersion of commercial silica nanoparticles in a UV-curable acrylate monomer on a glass substrate using a bar coater. The silica UV-curable acrylate resin was sto...
Masayoshi Fuji, Chika Takai, Hideo Watanabe, Kyoichi Fujimoto
Advanced Powder Technology   26(3) 857-860   Jan 2015   [Refereed]
© 2015 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. Fibrous materials and gas-foamed plastics provide some insulation due to the low thermal conductivity of air...
Xinhua Xu, Chika Takai, Takashi Shirai, Masayoshi Fuji
Advanced Powder Technology   26(5) 1327-1334   Jan 2015   [Refereed]
© 2015 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. SnS is an important semiconductor and its performance depends greatly on its morphology and 3D architecture....
藤正督, 高井千加, 山下雅史
粉体工学会誌   52(9) 508-514 (J-STAGE)-514   2015
The ammonia-catalyzed system derived from the decomposition of urea by urease to synthesize hollow silica nanoparticles was proposed. The progress of silica from TEOS using the urea/urease-catalyzed system was first confirmed. Based on these resul...
TAKAI Chika
Hosokawa Powder Technology Foundation ANNUAL REPORT   23(0) 88-95   2015
<p>The micro-structures and derived physical properties of skeletal nanoparticles were investigated using microscopic, macroscopic techniques. A scattering function of hollow silica nanoparticles from a small angle X-ray scattering (SAXS) indicate...
Chika Takai, Fumikazu Kawajiri, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   463 78-84   Nov 2014   [Refereed]
© 2014 Elsevier B.V. A selective SnO 2 deposition on the inner or outer shell surface of hollow SiO 2 nanoparticles was proposed using the shell microstructure difference and electrostatic interaction between SiO 2 and tin precursor. Hollow SiO 2 ...
藤 正督, 高井 千加
Ceramics Japan = セラミックス : bulletin of the Ceramic Society of Japan   49(8) 686-690   Aug 2014
高井千加, 石野尊拡, 白井孝, 藤正督
名古屋工業大学先進セラミックス研究センター年報   2 25-28   Jun 2014
藤正督, 高井千加
科学と工業   88(4) 123-130   Apr 2014
Chika Takai, Takahiro Ishino, Masayoshi Fuji, Takashi Shirai
Colloids and Surfaces A: Physicochemical and Engineering Aspects   446 46-49   Apr 2014   [Refereed]
The rapid synthesis of hollow silica nanoparticles based on the CaCO 3 template method is proposed. Typically, it contains two steps for the silica coating on a CaCO 3 template by a sol-gel reaction and template removal by a dilute acid solution. ...
藤 正督, 高井 千加
科学と工業 = Science and industry   88(4) 123-130   Apr 2014
藤正督, 高井千加
ネットワークポリマー   35(2) 84-89   Mar 2014
藤正督, 高井千加
化学工学   78(3) 178-179   Mar 2014
Masayoshi Fuji, Chika Takai, Raymond V. Rivera Virtudazo
Advanced Powder Technology   25(1) 91-100   Jan 2014   [Refereed]
This review mainly focuses on simple template routes for hollow particles and introduces their applications. An inorganic template using inorganic particles is a facile technique to obtain hollow particles with various shapes, sizes, from nano to ...
Chika Takai, Aya Tamura, Masayoshi Fuji
Advanced Powder Technology   25(2) 621-624   Jan 2014   [Refereed]
Fabrication of a silver nanoparticles (AgNPs) network by only acetone (Ace) vaporization from AgNPs/cellulose acetate (CA)/Ace/1-octanol (Oct) suspension was proposed. When Ace vaporizes from CA/Ace/Oct ternary reaction system, a micro-phase separ...
高井千加
粉体工学会誌   51(8) 586-590 (J-STAGE)-590   2014
This paper describes technique to control nanoparticle structure and array. As the first part, a modified inorganic template was introduced to prepare skeletal silica nanoparticles with unique structure composed of silica nanoframe and wide square...
高井千加, 樽谷圭栄, 藤正督
粉体工学会誌   51(9) 641-646 (J-STAGE)-646   2014
Synthesis of hollow nano silica particles with methyl groups based on inorganic template method. Typically, silica coating on calcium carbonate template is formed via sol-gel reaction, and then template is removed by addition of diluted hydrochlor...
FUJI Masayoshi, TAKAI Chika
Proceedings of Symposium on Network Polymer   35(2) 84-89   2014
To maintain the temperature of heated or cooled air inside a room, one needs to put thermal insulation on the transparent glass windows where heat most frequently comes and goes. Fibrous materials and gas-foamed plastics provide some insulation du...
TAKAI Chika, FUJI Masayoshi, TAKAHASHI Chisato, SHIRAI Takashi, TOMIOKA Tatsuya, UTSUNO Mitsuo
Journal of the Research Association of Powder Technology, Japan   50(9) 618-624   Sep 2013
Novel technique to prepare calcite hollow particles controlling heating process of vaterite hollow particles as base particles has been developed. The vaterite hollow particles, whose shell surface consists of nano-sized particles, were previously...
TAKAI Chika, KAWAJIRI Fumikazu, FUJI Masayoshi
Journal of the Research Association of Powder Technology, Japan   50(5) 322-331   May 2013
In order to disperse SnO2 nanoparticle on SiO2 substrate surface, reaction control of SnO2 precursor, consideration of interaction between the precursor and SiO2 surface, and formation of homogeneous rea...
山下誠司, 白井孝, 藤正督, 高井千加
名古屋工業大学先進セラミックス研究センター年報   1 29-33   Mar 2013
Masayoshi Fuji, Chika Takai
Toraibarojisuto/Journal of Japanese Society of Tribologists   58 36-41   Mar 2013
藤正督, 高井千加
トライボロジスト   58(1) 36-41   Jan 2013
高井 千加, 石野 尊拡, 白井 孝, 藤 正督
国立大学法人名古屋工業大学先進セラミックス研究センター年報 = Annual report, Advanced Ceramics Research Center, Nagoya Institute of Technology   2 25-28   2013
This article in Japanese reviews our recent paper,"Rapid and high yield synthesis of hollow silica nanoparticles using an NH 4 F catalyst", published in Colloids and Surfaces A: Physicochemical and Engineering Aspects 446, 46-49, (2014) by C. Taka...
Fuji Masayoshi, Han Yong Sheng, Takai Chika
KONA POWDER AND PARTICLE JOURNAL   (30) 47-68   2013   [Refereed]
TAKAI Chika, FUJI Masayoshi, FUJIMOTO Kyoichi
Journal of the Research Association of Powder Technology, Japan   49(12) 896-900   Dec 2012
To maintain the temperature of heated or cooled air inside a room, we need to put thermal insulation on the transparent glass windows where heat most frequently comes and goes. Fibrous materials and gas-foamed plastics provide some insulation due ...
R. V. Rivera-Virtudazo, M. Fuji, C. Takai, T. Shirai
Nanotechnology   23(48)    Dec 2012   [Refereed]
An innovative type of hollow silicate nanoparticle with a micro/mesoporous shell wall (NSHPMS) was synthesized at room temperature via an eco-friendly double template approach, followed by simple acid reflux. TEM observations of NSHPMSs showed hol...
Masayoshi Fuji, Chika Takai
Nanoparticle Technology Handbook   679-684   Dec 2012
Raymond V Rivera Virtudazo, Masayoshi Fuji, Chika Takai, Takashi Shirai
Journal of Nanoparticle Research   14(12)    Nov 2012   [Refereed]
Physicochemical analysis on the precipitate samples of the cationic cetyltrimethylammonium bromide (CTAB) adsorbed onto nanocube CaCO 3 particles (NcCP) in aqueous ammonia rich (NH 4 + ) solution was initially examined. The amount of CTAB added to...
Chika Takai, Hideo Watanabe, Takuya Asai, Masayoshi Fuji
Colloids and Surfaces A: Physicochemical and Engineering Aspects   404 101-105   Jun 2012   [Refereed]
To maximize excellent property of hollow nanoparticles, it is important to determine physical property of shell because it directly affects functionality of the final product. In this study, hollow silica nanoparticles (HSNPs) with different shell...
Tatsuya Tomioka, Masayoshi Fuji, Minoru Takahashi, Chika Takai, Mitsuo Utsuno
Crystal Growth and Design   12(2) 771-776   Feb 2012   [Refereed]
The hollow structure formation mechanism of calcium carbonate particles synthesized by the CO 2 bubbling method has been investigated. Samples were sequentially taken during the bubbling process to be structurally evaluated by X-ray diffraction ...
Seiji Yamashita, M. Fuji, C. Takai, T. Shirai
Ceramic Transactions   236 25-31   Jan 2012
Hexagonal-faceted zinc oxide (ZnO) microtubes have been synthesized by a simple liquid process using Zinc Layered Hydroxide precursor. The advantages of this new method are synthesis reaction under a relative low temperature and ambient pressure, ...
Shirai Takashi, Takai Chika, Fuji Masayoshi
Journal of the Research Association of Powder Technology, Japan   49(5) 374-377   2012
We developed a novel ceramic forming process by surface hydration of particles through microwave irradiation. In this process, irradiating a green body with microwaves enhances the hydration reaction between water and particle surfaces, creating s...
Tomioka Tatsuya, Takahashi Chisato, Takai Chika, Utsuno Mitsuo, Fuji Masayoshi
Journal of the Research Association of Powder Technology, Japan   49(4) 260-266   2012
Effect of pH change on the shell thickness of calcium carbonate hollow particles was investigated. Calcium carbonate hollow particles were synthesized at different pH change rates by Carbon dioxide bubbling into a solution. And influence of pH cha...
山下 誠司, 白井 孝, 藤 正督, 高井 千加
国立大学法人名古屋工業大学先進セラミックス研究センター年報 = Annual report, Advanced Ceramics Research Center, Nagoya Institute of Technology   1 29-33   2012
Recently, there has been much interest in the application of Layered Metal Hydroxide (LMH) because of their excellent properties such as ion exchange, layer structure and chemical stability. Interlayer space of LMH c...
TAKAI Chika, FUJI Masayoshi, FUJIMOTO Kyoichi
Chemistry letters   40(12) 1346-1348   Dec 2011
Chika Takai, Masayoshi Fuji, Kyoichi Fujimoto
Chemistry Letters   40(12) 1346-1348   Nov 2011   [Refereed]
We report skeletal silica nanoparticles using a cubic template whose surface is coated by surfactant. The controlling factors, (a) high acidity of silanol compared to that of surfactant, (b) low affinity between surfactant and organic medium, and ...
KAWAMURA Aki, TAKAI Chika, FUJI Masayoshi, SHIRAI Takashi
粉体工学会誌   48(11) 755-760   Nov 2011
Chika Takai, Tadashi Hotta, Shuji Shiozaki, Shuhei Matsumoto, Takehisa Fukui
Chemistry Letters   40(6) 638-639   May 2011   [Refereed]
Porous microspheres were prepared by a solid-in-oil-inwater (S/O/W) emulsion. Effects of inorganic salt on pore formation were investigated. Sodium chloride (NaCl) is a proper pore inducing agent, and large uniform pores were obtained with additio...
Chika Takai, Tadashi Hotta, Shuji Shiozaki, Shuhei Matsumoto, Takehisa Fukui
Colloids and Surfaces A: Physicochemical and Engineering Aspects   373(1-3) 152-157   Jan 2011   [Refereed]
A solid-in-oil-in-water (S/O/W) emulsion system has been developed to prepare porous polymeric microspheres. The obtained microspheres showed unique core-shell structure with a dense core and a surface porous layer. The emulsion system has two pro...
Takai Chika, Fuji Masayoshi, Fujimoto Kyoichi
Chemistry Letters   40(12) 1346-1348   2011
We report skeletal silica nanoparticles using a cubic template whose surface is coated by surfactant. The controlling factors, (a) high acidity of silanol compared to that of surfactant, (b) low affinity between surfactant and organic medium, and ...
藤 正督, 富田 康資, 山田 伊久子, 白井 孝, 高井 千加
セラミックス基盤工学研究センター年報   11(0) 27-31   2011
The manufacturers of traditional brick in Tozeur Tunisia are obliged to very poor and painful life with the production process architectural culture of the town. It must be continued for future. However they are now in face of a severe crisis for ...
高井 千加, 堀田 禎, 塩崎 修司
粉体技術   2(11) 58-62   Nov 2010
Chika Takai, Tadashi Hotta, Shuji Shiozaki, Yaowalak Boonsongrit, Hiroya Abe
Chemical Communications   (37) 5533-5535   Sep 2009   [Refereed]
Porous polymeric microspheres with unique core-shell structures (similar to Kusudama - Japanese paper balls) have been fabricated via a new solid-in-oil-in-water (S/O/W) emulsion technique. © 2009 The Royal Society of Chemistry.
Chika Takai, Masayoshi Fuji, Minoru Takahashi
Ceramic Transactions   198 159-164   Dec 2007   [Refereed]
Silica/polyisocyanate composites are kind of materials which can be applied to hard coatings and paintings owing to their hardness and excellent weather resistance. In this study, in order to obtain high particle dispersability in organic medium, ...
TAKAI Chika
粉体工学会誌 = Journal of the Society of Powder Technology, Japan   44(9)    Sep 2007
高井千加, 藤正督
ホソカワ粉体工学振興財団年報   (14) 199   May 2007
Chika Takai, Masayoshi Fuji, Minoru Takahashi
Colloids and Surfaces A: Physicochemical and Engineering Aspects   292(1) 79-82   Jan 2007   [Refereed]
In order to synthesize highly functionalized organic/inorganic nanocomposites, it is important to improve particles dispersability by surface modification. In this study, a novel technique to design surface of particles on a molecular level was pr...
Masayoshi Fuji, Chika Takai, Yoshie Tarutani, Takashi Takei, Minoru Takahashi
Advanced Powder Technology   18(1) 81-91   Jan 2007   [Refereed][Invited]
Hollow particles are a newly developing material with the special properties of low density, thermal insulation and distinct optical activity. A number of preparation methods have been proposed in the literature. The polymer bead template method i...

Conference Activities & Talks

 
SHAO Wenhao, TAKAI Chika, RAZAVI‐KHOSROSHAHI Hadi, FUJI Masayoshi
粉体工学会夏期シンポジウム講演論文集   9 Jul 2018   
PENG Bo, TAKAI Chika, RAZAVI‐KHOSROSHAHI Hadi, FUJI Masayoshi
粉体工学会夏期シンポジウム講演論文集   9 Jul 2018   
SUTHABANDITPONG Walaiporn, TAKAI Chika, RAZAVI‐KHOSROSHAHI Hadi, FUJI Masayoshi
粉体工学会夏期シンポジウム講演論文集   9 Jul 2018   
Chika Takai, Masayoshi Fuji, Tomohiro Sato, Razavi Khosroshahi Hadi, Yuki Nakashima, Seizo Obata, Kenji Tateishi
Toraibarojisuto/Journal of Japanese Society of Tribologists   1 Jan 2018   
© Japanese Society of Tribologists 2018. All rights reserved. Sintering of most ceramic and composite materials are only possible at temperatures over 1000°C due to their high melting point. Sintering is acknowledged as an expensive process, which...
Masayoshi Fuji, Hadi Razavi-Khosroshahi, Chika Takai, Tomohiro Sato, Seizo Obata, Kenji Tateishi
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   1 Jan 2018   
© 2018 Japan Society of Powder and Powder Metallurgy. Sintering of most ceramic and composite materials are only possible at temperatures over 1000°C due to their high melting point. Sintering is acknowledged as an expensive process, which takes s...

Research Grants & Projects

 
Preparation of functional porous polymeric microspheres