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HIRAI TOSHIHIRO

Academic OrganizationTEL
Education and Research OrganizationFaculty of Textile Science and TechnologyFAX
PositionProfessorMail Address
AddressWeb site

Modified:09/13/2018

Profile

Academic Societies
Academic Societies
Materials Research Society
IUPAC, American Chemical Society
Materials Society of Japan
Society of Photo-Optical Instrumentation Engineers
Academic Background
Graduate School
Osaka Prefecture University , (Graduate School, Division of Engineering) , 1976

College
Shinshu University , (Faculty of Textile Science and Technology) , 1970

Degree
Doctor of Engineering

Research

Books, Articles, etc.
Books
Electric Functions of Textile Polymers
Springer , Handbook of Smart Textiles , :3-29 2015
Author:Toshihiro Hirai, Hong Xia
Keywords:Textile polymers, dielectric polymers, colossal dielectric constant, actuator, artificial muscle, sensor, electro-optical function, smart materials


誘電ポリマーアクチュエーター、-膨潤ゲルから結晶性ポリマーフィルムまでー
シーエムシー , 新材料・新素材シリーズ 未来を動かすソフトアクチュエーター , :第10章 2010
Author:平井利博


未来型アクチュエータ材料・デバイス(第7章)
2006
Author:平井利博


ファイバー : スーパーバイオミメティックス—近未来創造テクノロジー—(第3編)
2006
Author:平井利博


Smart fibers, fabrics and clothing, Ed.by Xiaoming Tao, Chapter 2, Electrically-active polymer materials ? application of non-ionic polymer gel and elastomers for artificial muscles
The Textile Institute, Woodhead Publishing Limitted, Cambridge England , :7-33頁 2001
Author:Toshihiro Hirai/Jeanming Zheng


Electrically Induced Strain in Polymer Gels Swollen with Non-Ionic Organic Solvents
Springer-Verlag Berlin Heidelberg , Polymer Sensors and Actuators, Edited by Y. Osada and D. E. DeRossi , :245-258 2000
Author:Toshihiro Hirai;Mitsuhiro Hirai


Polymer Sensors and Actuators, Eds. Y. Osada and D. E. DeRossi, Chapter 8, Electrically Induced Strain in Polymer Gels Swollen with Non-Ionic Organic Solvents
Springer-Verlag Berlin Heidelberg , :245-258頁 2000
Author:T. Hirai/ M. Hirai


磁性流体
エヌ・ティー・エス , ゲルハンドブック , :- 1997
Author:平井利博


ケモメカニカル・エネルギー変換
シーエムシー , 長田義仁,王林監修:機能性高分子ゲルの開発と最新技術 , :236-247 1995
Author:平井利博


Articles
Effect of plasticizer on the electric-field-induced adhesion of dielectric PVC gels
JOURNAL OF MATERIALS SCIENCE,47(8):3777-3783 2012(Apr.)
Author:Ali, Mohammad; Hirai, Toshihiro


Dielectric and Electromechanical Studies on Plasticized PVC Fabricated from Plastisol
Polym. Internal.,in press 2012
Author:M. Ali, T. Hirai


A Mechanism for Ultraviolet Light Irradiation-Induced Whitening of Poly(vinyl alcohol) Film
Materiaru Raifu Gakkaishi,24(1):27-33 2012
Author:Y. Okada, W. Kawanobe, N. Hayakawa, S. Tsubokura, R. Chujo, H. Fujimatsu, T. Takizawa, T. Hirai


Electric-Field-Induced Actuation of Poly(vinyl alcohol) Microfibers
J. Phys. Chem. C,116:23236-23242 2012
Author:H. Xia, Y. Hashimoto, T. Hirai


Relationship between electrode polarization and electrical actuation of dielectric PVC gel actuators
SOFT MATTER,8(13):3694-3699 2012
Author:Ali, Mohammad; Hirai, Toshihiro


Enhancement of the actuation performance of dielectric triblock copolymers modified with additives
Polym. Internal.,61(2):228-234 2012
Author:Yeonju Jang, Toshihiro Hirai, Takamitsu Ueki and Toshinori Kato


実践的人材育成のための産学協同大学院教育プログラムの開発
工学教育,59(6):97-103 2011
Author:阿部隆夫、深瀬康司、平井利博、藤本哲也、高橋伸英、森川英明


A control method for triblock copolymer actuators by nano-lamellar pattern
Soft Matter,7:10818-10823 2011
Author:Yeonju Jang and Toshihiro Hirai


Characteristics of the creep-induced bending deformation of a PVC gel actuator by an electric field
J. Mat. Sci.,46:7681-7688 2011
Author:Mohammad Ali, and Toshihiro Hirai


Influence of Plasticizer Content on the Transition of Electromechanical Behavior of PVC Gel Actuator
Langmuir,27:7902-7908 2011
Author:Mohammad Ali, Takamitsu Ueki, Daijiro Tsurumi, and Toshihiro Hirai


Solvent-Induced Phase-Inversion and Electrical Actuation of Dielectric Copolymer Films
Mat. Sci. Appl.,2:186-194 2011
Author:Yeonju Jang and Toshihiro Hirai


Performance of PMMA-PnBA-PMMA dielectric film actuator with controllable phase morphology
Sensors and Actuators A: Physical,168(2):300-306 2011
Author:Yeonju Jang, Toshinori Kato, Takamitsu Ueki and Toshihiro Hirai,


Effects of pH and Temperature on Assembly of Multiresponsive Janus Microgels
Colloid Polym. Sci.,289(5-6):729-737 2011
Author:Y. Umeda, T. Kobayashi, T. Hirai, D. Suzuki


Direct Observation by Laser Scanning Confocal Microscopy of Microstructure and Phase Migration of PVC Gels in an Applied Electric Field
Langmuir,27(3):1207-1201 2011
Author:H. Xia, T. Ueki, T. Hirai


Whitening of polyvinyl alcohol used as restoration material for Shohekiga
Polym. J.,43:1-4 2010
Author:Y. Okada, W. Kawanobe, N. Hayakawa, S. Tsubokura, R. Chujo, H. Fujimatsu, T. Takizawa, T. Hirai,


The Effects of Adding Ionic Liquids to Plasticized PVC Gel Actuators
IEEEICMA,2010:71-76 2010
Author:T. Hirai, H. Xia, K. Hirai


Electric-Field-Induced Local Layer Structure in Plasticized PVC Actuator
J. Phys. Chem. B,114(33):10756-10762 2010
Author:H. Xia, T. Hirai


Actuation Mechanism of Plasticizer PVC by Electric Field
Sensor Actuat. A. Phys.,157:307-312 2010
Author:H. Xia, M. Takasaki, T. Hirai


Space Charge Distribution and Mechanical Properties in Plasticized PVC Actuators
IEEE ICMA,:164-169 2009
Author:H. Xia, T. Hirai


収縮型PVCゲルアクチュエータの構造と駆動特性
日本ロボット学会誌,27(7):718-724 2009
Author:山野美咲、小川尚希、橋本稔、高崎緑、平井利博


Space Charge Distribution and Mechanical Properties in Plasticized PVC Actuators
IEEE ICMA,:164-169 2009
Author:H. Xia, T. Hirai


Electrical Response and Mechanical Behavior of Plasticized PVC Actuators
Adv. Mater. Res.,79-82:2063-2066 2009
Author:H. Xia, T. Ueki, T. Hirai


Electrically Active Artificial Pupil Showing Amoeba-like Pseudopodial Deformation
Advanced Materials,21:2886-2888 2009
Author:T. Hirai, T. Ogiwara, K. Fujii, T. Ueki, K. Kinoshita, M. Takasaki


Ultra-Fine Fibers Produced by Laser-Electrospinning
Sen’i Gakkaishi,64(1):29-31 2008
Author:M. Takasaki, H. Fu, K. Nakata, Y. Ohkoshi, T. Hirai


Effects of human hair and nail proteins and their films on rat mast cells
J. Mater Sci.: Mater Med,19:2335-2342 2008
Author:T. Fujii, S. Murai, K. Ohkawa, K. T. Hirai


Electrical Actuation of Textile Polymer Materials
J. Fiber Bioeng. Informatics,1(1):1-6 2008
Author:T. Hirai, T. Ueki, M. Takasaki


ATPase-Coupled Release Control from Polyion Complex Capsules Encapsulating Muscle Proteins
Macromol. Biosci.,7:508-516 2007
Author:K. Sugiura, K. Ohkawa, T. Hirai, T. Fujii


Behavior of bending motion of polyurethane film with carbon nanofiber as electrode
J. Appl. Phys.,101(5):053533-1-5 2007
Author:T. Hirai, M. H. Islam, M. Takasaki, M. Watanabe


Electrically Active Non-ionic Artificial Muscle
J. Intelligent Mater. Sys. Struct.,18(2):117-122 2007
Author:T. Hirai


Preparation and properties of protein particles from human hair
J. Biol. Macromol.,6:30-35 2006


Thermal switching of the actuation ability of an electroactive polymer actuator
JOURNAL OF APPLIED POLYMER SCIENCE,95(6):1566-1570 2005
Author:Watanabe, M; Wakimoto, N; Hirai, T; Yokoyama, M


Space charge distribution in bending-electrostrictive polyurethane films doped with salts
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,42(3):523-531 2004
Author:Watanabe, M; Hirai, T


Gel-coated electrodes for an ion drag pump
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION,11(1):139-143 2004
Author:Watanabe, M; Hara, A; Hirai, T


Bending-electrostrictive response of polyurethane films subjected to a reversed electric field
JOURNAL OF APPLIED POLYMER SCIENCE,92(6):3644-3650 2004
Author:Watanabe, M; Hirai, T


Close relationship between bending-electrostrictive response and space charge distribution in a polyurethane film
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES&REVIEW PAPERS,43(4A):1446-1448 2004
Author:Watanabe, M; Hirai, T


Polypyrrole film with striped pattern
JOURNAL OF POLYMER SCIENCEPART B-POLYMER PHYSICS,42(13):2460-2466 2004
Author:Watanabe, M; Hirai, T


A novel preparation method for capsules containing a high proportion of magnetite using a magnetic field
POLYMER BULLETIN,52(6):437-442 2004
Author:Takada, T; Hirai, T


The PVA solution structure-change effect for alpha-amylase specific activation
POLYMER BULLETIN,53(1):63-71 2004
Author:Takada, T; Hirai, T


A pumping technique using electrohydrodynamic flow inside a gel
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION,10(1):181-185 2003
Author:Watanabe, M; Zheng, JM; Hara, A; Shirai, H; Hirai, T


Bending electrostriction and space-charge distribution in polyurethane films
JOURNAL OF APPLIED PHYSICS,94(4):2494-2497 2003
Author:Watanabe, M; Wakimoto, N; Shirai, H; Hirai, T


Effects of plasticizers on novel electromechanical actuations with different poly(vinyl chloride) gels
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,41(18):2119-2127 2003
Author:Uddin, Z; Watanabe, M; Shirai, H; Hirai, T


Liquid-liquid two-layer electrohydrodynamic flow system
SENSORS AND ACTUATORS B-CHEMICAL,94(3):267-270 2003
Author:Watanabe, M; Shirai, H; Hirai, T


Wrinkled polypyrrole electrode for electroactive polymer actuators
JOURNAL OF APPLIED PHYSICS,92(8):4631-4637 2002
Author:Watanabe, M; Shirai, H; Hirai, T


Hysteresis in bending electrostriction of polyurethane films
JOURNAL OF APPLIED POLYMER SCIENCE,79(6):1121-1126 2001
Author:Watanabe, M; Suzuki, M; Hirako, Y; Shirai, H; Hirai, T


Control of bending electrostriction in polyurethane films by doping with salt
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,39(10):1061-1069 2001
Author:Watanabe, M; Kato, T; Suzuki, M; Hirako, Y; Shirai, H; Hirai, T


Electrically induced creeping and bending deformation of plasticized poly(vinyl chloride)
CHEMISTRY LETTERS,(4):360-361 2001
Author:Uddin, MZ; Yamaguchi, M; Watanabe, M; Shirai, H; Hirai, T


Ionic polarization in bending-electrostrictive response of polyurethane films
JOURNAL OF APPLIED PHYSICS,90(12):6316-6320 2001
Author:Watanabe, M; Shirai, H; Hirai, T


Bending electrostriction in polyurethane using in situ ultraviolet and visible spectroscopies
JOURNAL OF APPLIED PHYSICS,88(9):5328-5333 2000
Author:Watanabe, M; Shirai, H; Hirai, T; Suzuki, M; Hirako, Y


汎用高分子からなる柔軟駆動材料の電場変形
高分子エレクトロニクス研究会(高分子マイクロアクチュエータ),Jan-00:9-15 2000
Author:平井利博


Electroactive Nonionic Polymer Gel
- Swift Bending and Crawling Motion -
Mat. Res. Soc. Symp. Proc.,600:267-272 2000
Author:T. Hirai;J. Zheng;M. Watanabe;H. Shirai;M. Yamaguchi


Electrically induced rapid deformation of nonionic gel
CHEMISTRY LETTERS,(5):500-501 2000
Author:Zheng, JM; Watanabe, M; Shirai, H; Hirai, T


Application of conventional polymers to smart-materials
SEN-I GAKKAISHI,55(1):P30-P35 1999
Author:Hirai, T


Electro-striction effect of polyurethane elastomer (PUE) and its application to actuators
SYNTHETIC METALS,103(1-3):2366-2367 1999
Author:Kyokane, J; Ishimoto, H; Yugen, H; Hirai, T; Ueda, T; Yoshino, K


Drag reduction on a polymer gel surface
JSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING,42(3):634-639 1999
Author:Islam, MH; Watanabe, M; Morikawa, H; Hirai, T


Polyurethane actuators using bending piezoelectricity and bending electrostriction
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES,10(2):100-104 1999
Author:Watanabe, M; Hirai, T; Ueda, T; Suzuki, M; Amaike, Y


Well-defined Polynuclear Iron(II) Complexes Bridged by Back-to-back Ligands
Chemistry Letters,:1129-1130 1999
Author:M. Kimura;T. Horai;T. Muto;K. Hanabusa;H. Shirai


PVC gel deforms like a tongueby applyingan electric field
WW-EAP Lett.,1(2):7-8 1999
Author:T. Hirai;M. Watanabe;M. Yamaguchi


Polymer gel generating bending and crawling motion
WW-EAP Lett.,1(1):4-5 1999
Author:T. Hirai


Lens functions of polymer microparticle arrays
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,153(1-3):503-513 1999
Author:Hirai, T; Hayashi, S


Electric Conduction in Bending Electrostriction of Polyurethanes
Appl. Phys. Lett.,74(18):2717-2719 1999
Author:Watanabe, M; Hirai, T; Suzuki, M; Amaike, Y


Bending electrostriction in polyurethanes containing ions as contaminants or additives
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS,38(8A):L872-L874 1999
Author:Watanabe, M; Kato, T; Suzuki, M; Amaike, Y; Hirai, T


Solvent-drag bending motion of polymer gel induced by electric field
Proceedings of SPIE, SPIE's 6th Annual International Symposium on Smart Structures and Materials, Electro-active Polymer Actuators and Devices,3669:209-217 1999
Author:T. Hirai;Jianming Zheng;M. Watanabe


Surface Modification of Polymer Hydrogel and its Effect on the Wall-shearing Stress in Water
The Wiley Polymer Networks Group Review Series,2:430-438 1999
Author:M. H. Islam;H. Morikawa;N. Watanabe;M. Watanabe;T. Hirai


Effects of Polymer Networks on the Bending Electrostriction of Polyurethanes
The Wiley Polymer Networks Group Review Series,2:214-221 1999
Author:M. Watanabe;N. Takahashi;T. Ueda;T. Ueda;M. Suzuki;Y. Amaike;T. Hirai


Polyurethane elastomer actuator
SYNTHETIC METALS,85(1-3):1415-1416 1997
Author:Ueda, T; Kasazaki, T; Kunitake, N; Hirai, T; Kyokane, J; Yoshino, K


Bending deformation of monolayer polyurethane film induced by an electric field
CHEMISTRY LETTERS,(8):773-774 1997
Author:Watanabe, M; Yokoyama, M; Ueda, T; Kasazaki, T; Hirai, M; Hirai, T


Polyurethane-elastomer-actuator
ANGEWANDTE MAKROMOLEKULARE CHEMIE,240:221-229 1996
Author:Hirai, T; Sadatoh, H; Ueda, T; Kasazaki, T; Kurita, Y; Hirai, M; Hayashi, S


pH-Induced structure change of poly(vinyl alcohol) hydrogel crosslinked with poly(acrylic acid)
ANGEWANDTE MAKROMOLEKULARE CHEMIE,240:213-219 1996
Author:Hirai, T; Okinaka, T; Amemiya, Y; Kobayashi, K; Hirai, M; Hayashi, S


Ganglioside structure in solution
PHYSICA B,213:748-750 1995
Author:HIRAI, M; YABUKI, S; TAKIZAWA, T; NAKATA, Y; MITOMO, H; HIRAI, T; SHIMIZU, S; KOBAYASHI, K; FURUSAKA, M; HAYASHI, K


Complexes of gangliosides with proteins in solution
PHYSICA B,213:751-753 1995
Author:HIRAI, M; TAKIZAWA, T; YABUKI, S; NAKATA, Y; MITOMO, H; HIRAI, T; SHIMIZU, S; FURUSAKA, M; KOBAYASHI, K; HAYASHI, K


Electrially Induced Reversible Structural Change of a Highly Swollen Polymer Gel Network
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS,91(3):473-477 1995
Author:HIRAI, M; HIRAI, T; SUKUMODA, A; NEMOTO, H; AMEMIYA, Y; KOBAYASHI, K; UEKI, T


Time-transient process of magnetically induced growth of nematic domains in a biological macromolecular liquid crystal
Phys. Rev. E,51(2):1263-1267 1995
Author:M. Hirai;T. Takizawa;S. Yabuki;T. Hirai;T. Ueki;Y. Sano


Aerosol-OT Reversed Micellar Formation at Low Water-Surfactant Ratio Studied by Synchrotron Radiation Small-Angle X-ray Scattering
JOURNAL OFPHYSICAL CHEMISTRY,99(17):6652-6660 1995
Author:HIRAI, M; KAWAIHIRAI, R; YABUKI, S; TAKIZAWA, T; HIRAI, T; KOBAYASHI, K; AMEMIYA, Y; OYA, M


GROWING PROCESS OF SCATTERING DENSITY FLUCTUATION OF A MEDIUM DISTANCE IN THE HYDROGEL OF POLY(VINYL ALCOHOL) UNDER STRETCHING
MACROMOLECULES,27(4):1003-1006 1994
Author:HIRAI, M; HIRAI, T; UEKI, T


Effect of branching of amylopectin on complexation with iodine as steric hindrance
POLYMER,35(10):2222-2225 1994
Author:Mitsuhiro Hirai;Toshihiro Hirai;Tatsuo Ueki


Electrostriction of Highly Swollen Polymer Gel: Possible Application for Gel Actuator
JOURNAL OF APPLIED POLYMER SCIENCE,53(1):79-84 1994
Author:HIRAI, T; NEMOTO, H; HIRAI, M; HAYASHI, S


CONFORMATIONAL CHANGE ON POLYMER-CHAINS OF PARTIALLY FORMALIZED POLY(VINYL ALCOHOL)-IODINE COLOR COMPLEX STUDIED BY USING SYNCHROTRON-RADIATION SMALL-ANGLE X-RAY SOLUTION SCATTERING
MAKROMOLEKULARE CHEMIE-MACROMOLECULAR CHEMISTRY AND PHYSICS,194(10):2885-2895 1993
Author:HIRAI, M; HIRAI, T; UEKI, T


SHAPE MEMORIZING PROPERTIES OF A HYDROGEL OF POLY(VINYL ALCOHOL)
JOURNAL OF APPLIED POLYMER SCIENCE,45(10):1849-1855 1992
Author:HIRAI, T; MARUYAMA, H; SUZUKI,T; HAYASHI, S


Presentations
Plasticized Poly(vinyl alcohol) Gels as Super Paraelectric Actuator
International Union of Material Research Societies-International Conference on Electronic Materials(IUMRS-ICEM2012) , :C-5-K 25-006 2012
Author:T. Hirai, M. Ali, H. Xia, H. Sato, T. Sato, T. Ueki


Electrical Mobility of Textile Polymers with Low Dielectric Constant, and their Future Prospect as Functional Materials
5th Textile Bioengineering and Informatics Symposium (TBIS2012) 2012
Author:T. Hirai


Characteristic Electrical Actuation of Plasticized Poly(vinyl chloride)-Various Function in Relation with the Dielectric Plasticizers-
4th International Conference on Smart Materials Structures Systems(CIMTEC 2012) , :C-1,IL-1 2012
Author:T. Hirai, M. Ali, T. Ogiwara, D. Tsurumi, T. Ueki, H. Xia, M. Hashimoto


Effects of Molecular Weight of PMMA-PnBA-PMMA Triblock Copolymers on Actuation Performance,
2nd International Conference on Nanotechnology: Fundamentals and Applications (ICNFA2011) 2011
Author:Yeonju Jang and Toshihiro Hirai


Actuation performance induced by nano-phase morphology of dielectric elastomers
2011 World Congress on Advances in Structural Engineering and Mechanics (ASEM11+) 2011
Author:Yeonju Jang and Toshihiro Hirai


Triblock copolymer Films as High-Performance Dielectric Elastomers: Effects of casting solvents on the morphology and electrical actuation
11th Asian Textile Conference (ATC11) 2011
Author:Yeonju Jang and Toshihiro Hirai


Effects of Plasticizers on Electromechanical Actuations of Textile Polymeric Materials
11th Asian Textile Conference (ATC11) 2011
Author:Mohammad Ali, Toshihiro Hirai


Micro Structure of PVC Gels and their Electric Response Behavior
International Conference of Future Textile 2010 , :81-82 2010(Jul.)
Author:H. Xia, T. Hirai


Effect of electrical field on the layer separation and deformation of plasticized PVC actuators
International Conference on Intelligent Textiles (ICIT) , :33-34 2010(Jun.)
Author:H. Xia, T. Hirai


Design and fabrication of stimuli-responsive Janus microgels
PACHIFICHEM2010 2010
Author:Daisuke Suzuki, Yoshitaka Umeda, and Toshihiro Hirai


Influence of Solvent Induced Morphology and Elasticity of Dielectric Electroactive Polymer Actuators
International Conference on Intelligent Textiles (ICIT2010) 2010
Author:Yeonju Jang, Toshinori Kato and Toshihiro Hirai


Morphology and physical behavior of acrylic triblock copolymer films circular actuato
International Conference of Future Textile 2010 , :P-16 2010
Author:Y.J. Jang, T. Kato, T. Hirai


Whitening of UV-irradiated PVA film and its surface structure
International Conference of Future Textile 2010 , :P-15 2010
Author:Y. Okada, T. Takizawa, T. Hirai, H. Fujimatsu


Building of an energy production system using photosynthetic proteins
International Conference of Future Textile 2010 , :P-13 2010
Author:T. Ueki, T. Hirai


Effect of processing variables on the performance of Roter Spun yarn
International Conference of Future Textile 2010 , :P-18 2010
Author:M. Ali, T. Rowe


Preparation of Ultra-Fine Fibers by Laser-Electrospinning Process
Asian Workshop on Polymer Processing , :219-220 2010
Author:M. Takasaki, S. Kinugawa, K. Morie, Y. Ohkoshi, T. Hirai


Dielectric Polymer Actuator for Artificial Muscle - From Soft Polymer Gel to Solid Polymer Film -"
5th Nagoya University - UCLA International Symposium, Shinshu University - Nagoya University Global COE Joint Symposium in Ueda 2010
Author:T. Hirai


Textile polymer materials as electroactive artificial muscles – from highly swollen gel to solid polymer films
39th Textile Research Symposium , :18-26 2010
Author:Toshihiro Hirai, Hong Xia, Nobuaki Kataoka and Minoru Hashimoto


Interrelationship between of phase structure and actuation behavior of acrylic triblock copolymer films
20th International Conference on Physical Organic Chemistry (ICPOC-20) 2010
Author:Yeonju Jang and Toshihiro Hirai


Mechanical Response of Triblock Copolymer films prepared by Controlling the Casting Solvents
3rd International Symposium onHigh-Tech Fiber Engineering 2009 2009(Dec.)
Author:Y.J. Jang, D. Matoba, T. Hirai


Phase Separation in Thin Films of triblock copolymer: Effect of controlling casting solvent
4th International Conference on Artificial Muscles 2009 , :CD-ROM 2009(Nov.)
Author:Y.J. Jang, D. Matoba, T. Hirai


Investigation on Dielectric Response of Plasticized PVC Actuators
4th International Conference on Artificial Muscles 2009 , :CD-ROM 2009(Nov.)
Author:H. Xia, T. Hirai


Electromechanical Motion of PVC Containing Large Amount of Plasticizer
4th International Conference on Artificial Muscles 2009 2009(Nov.)
Author:T. Hirai, K. Hirai, H. Xia


Electrical Response and Mechanical Behavior of Plasticized PVC Actuators
2nd International Conference on Multi-functional Materials and Structures 2009 , :2063-2066 2009(Oct.)
Author:H. Xia, T. Ueki, T. Hirai


Actuation Behavior and Mechanical Characteristics of Plasticized PVC by DC electric Field
International Conference on Latest Advances in High-Tech Textiles and Textile-Based Materials , :323-324 2009(Sep.)
Author:H. Xia, T. Hirai


Impedance Properties and Actuation Behavior of Plasticized Polyvinyl Chloride Gels
10th Asian Textile Conference (ATC-10), , :67-68 2009(Sep.)
Author:H. Xia, T. Hirai


Building of an energy production system using photosynthetic proteins
10th Asian Textile Conference (ATC-10), , :96-97 2009(Sep.)
Author:T. Ueki, T. Hirai


Advanced Fiber Engineering Education in Shinshu University
10th Asian Textile Conference (ATC-10), , :S5-KO-01, 311 2009(Sep.)
Author:T. Hirai


Space Charge Distribution and Mechanical Properties in Plasticized PVC Actuators
2009 IEEE ICMA , :164-169 2009(Aug.)
Author:H. Xia, T. Hirai


Polymer-based Actuators: One of the Researches in Global COE Program on Advanced Fiber Engineering
7th East Asian Symposium on Polymers For Advanced Technologies (EASPAT-2009) , :60-61 2009(May)
Author:T. Hirai, T. Ueki, M. Takasaki


Electrical Response and Deformation Behavior of Plasticized PVC Actuators
7th East Asian Symposium on Polymers For Advanced Technologies (EASPAT-2009) , :77, PS13 2009(May)
Author:H. Xia, T. Hirai


Degradation of Poly(vinyl alcohol) Thin Films by UV Irradiation
7th East Asian Symposium on Polymers For Advanced Technologies (EASPAT-2009) , :95, PS31 2009(May)
Author:Y. Okada, T. Takizawa,H. Usami, T. Hirai, H. Fujimatsu


Building of an energy production system using photosynthetic proteins
7th East Asian Symposium on Polymers For Advanced Technologies (EASPAT-2009) , :75, PS11 2009(May)
Author:T. Ueki, T. Hirai


A Contraction Type Soft Actuator using Poly Vinyl Chloride Gel
2008 IEEE, International Conference on Robotics and Biomimetics , :745-750 2009(Feb.)
Author:M. Yamano, N. Ogawa, M. Hashimoto, M. Takasaki, T. Hirai


Building of an energy production system using photosynthetic proteins
5th International Conference on Adovanced Fiber/Textile Materials 2009 in Ueda. , :S1-P-22 2009
Author:T. Ueki, T. Hrai


Characteristics Evaluation of PVC Gel Actuators
2009 IEEE/RSJ International Conference on Intelligent Robots and Systems , :2898-2903 2009
Author:N. Ogawa, M. Hashimoto, M. Takasaki, T. Hirai


Polyurethane Web Fabricated by Laser-Electrospinning
10th Asian Textile Conference (ATC-10) , :S3-P-21 2009
Author:M. Takasaki, K. Sugihara, K. Hara, S. Kinugawa, K. Morie, Y. Ohkoshi, T. Hirai, T. Fujii, H. Shimizu, M. Saito


High-Sensitive Chemical Sensor System Employing a Higher-mode Operative Micro Cantilever Sensor and an Adsorption Tube
AIP Conf. Proc. , 1137:79-82 2009
Author:T. Mihara, T. Ikehara, J. Lu, R. Maeda, T. Fukawa, M. Kimura, Y. Liu, T. Hirai


Japan’s Strategy for Science&Technology Innovation and How Shinshu Is Approaching to the Goal Through Global Collaboration
International Conference on Advanced Textile Materials&Manufacturing Technology , :580-583 2008(Oct.)
Author:T. Hirai


Deformation of Dielectric Polymer of Plasticized PVC by Electric Field
International Conference on Advanced Textile Materials&Manufacturing Technology , :347-350 2008(Oct.)
Author:H. Xia, M. Takasaki, T. Hirai


Building of an Energy Production System using Photosynthetic Proteins
Textile Futures Conference 2008 2008(Aug.)
Author:T. Ueki, T. Hirai


The actuation of membrane of PMMA soft polymer applying an electric field
5th Japan-China Conference on Mechatronics (JCCM2008) , :CD-ROM 2008(Aug.)
Author:T. Noma, M. Takasaki, T. Hirai


Electrical Response Properties of Plasticized PVC Gel
5th Japan-China Conference on Mechatronics (JCCM2008) , :CD-ROM 2008(Aug.)
Author:K. Yamamoto, M. Takasaki, T. Hirai


Polymer film coated quartz crystal microbalances sensor for the detection of volatile organic compounds
12th International Meeting on Chemical Sensors , :CD-ROM 2008(Jul.)
Author:Y. Liu, T. Mihara, M. Kimura, T. Ueki, T. Hirai


Future Textile
ENSAIT 2008
Author:T. Hirai


Global COE of Shinshu University on Advanced Fiber Materials
TIBIS 2008 2008
Author:T. Hirai


Ultra-Fine Fibers Produced by Laser-Electrospinning
Textile Futures Conf. 2008 , :13-15 2008
Author:M. Takasaki, K. Nakata, H. Fu, S. Kinugawa, K. Morie, Y. Ohkoshi, M. Kimura, T. Hirai, Y. Gotoh, M. Nagura


Sports, Health, Eco, Function, Electrical Actuation of Textile Polymer Materials
SMART-TBIS Joint Symposium 2008 2008
Author:T. Hirai


Electroactive Textile Polymers as Artificial Muscles, - One of the Global COE Researches on Textile Polymer Materials -
2nd International Scientific Conference, Textiles of the Future 2008
Author:T. Hirai


Sensitivity Improvement of a Chemical Sensor System Employing a Micro Cantilever Sensor and an Adsorption Tube
25th Sensor Symposium , :591-594 2008
Author:T. Mihara, T. Ikehara, J. Lu, R. Maeda, T. Fukawa, M. Kimura, Y. Liu, T. Hirai


Future Textile (基調講演)
2008
Author:T.Hirai


(基調講演)
TIBIS 2008
Author:T.Hirai


Global COE of Shinshu University on Advanced Fiber Materials
Zhejiang Polytechnic University 2007
Author:T. Hirai


Global COE of Shinshu University on Advanced Fiber Materials
Kangnam University 2007
Author:T. Hirai


Global COE of Shinshu University on Advanced Fiber Materials
Hangnyan University 2007
Author:T. Hirai


Global COE of Shinshu University onAdvanced Fiber Materials
Future Textile Conference 2007
Author:T. Hirai


Preparation of Ultra-Fine Fiber Using Laser Electrospinning Process
International nano-fiber symposium , :267 2007
Author:M. Takasaki, K. Fujii, H. Fu, Y. Kogiso, Y. Ogawa, K. Nakata, Y. Ohkoshi, M. Kimura, T. Hirai, Y. Gotoh, M. Nagura


Global Networking on Textile Exchange
ALTEX’2007 2007
Author:T. Hirai


Building of the energy production system using photosynthetic proteins
4th International Conference on Advanced Fiber/Textile Materials 2007 in Ueda (ICAFTM2007) , :102-103 2007
Author:T. Ueki, T. Hirai


The Influences of Electric Field on the Structure of Melt Electrospun Fiber
4th International Conference on Advanced Fiber/Textile Materials 2007 in Ueda (ICAFTM2007) , :126-127 2007
Author:K. Nakata, M. Takasaki, S. Kinugawa, H. Fu, K. Morie, Y. Ohkoshi, M. Kimura, T. Hirai, Y. Gotoh, M. Nagura


VOC sensing using the conductive polymer of electrochemical polymerization
24th Sensor Symposium , :292-295 2007
Author:T. Fujinami, M. Takasaki, M. Kimura, T. Hirai, T. Mihara


VOC sensing of nanostructure-modified QCMs
24th Sensor Symposium , :300-303 2007
Author:M. Sugawara, T. Mihara, M. Kimura, T. Hirai, T. Mihara


(基調講演)
2007
Author:T.Hirai


(基調講演)
Future Textile Conference 2007
Author:T.Hirai


(基調講演)
2007
Author:T.Hirai


(基調講演)
2007
Author:T.Hirai


Construction of Bioreactor using Photosynthetic Proteins
2006 Sino-Japanese Fiber Symposium 2006(Oct.)
Author:T. Ueki, T. Hirai


PVAゲルの電場応答型アクチュエータ(人工筋肉を目指して)
繊維学会予稿集 , 55:105-108 2000
Author:平井利博


非イオン性高分子ゲルの電場による高速大変形
日本機会学会2000年度年次大会講演論文集(I) , :69-70 2000
Author:平井利博;鄭 建明;渡辺真志


Slip of Newtonian Fluid on the Polymer Gel Surface
日本機会学会2000年度年次大会講演論文集(I) , :285-286 2000
Author:Md.H.Islam;M.Watanabe;H.Morikawa;T.Hirai


Others
高分子ゲル/エラストマーを用いた人工筋肉、汎用高分子の駆動材料への応用、(3)誘電高分子の駆動材料への応用
加工技術 , 45(9):533-539 2010
Author:平井利博


高分子ゲル/エラストマーを用いた人工筋肉、汎用高分子の駆動材料への応用、(2)誘電高分子ゲルの電場駆動
加工技術 , 45(6):357-362 2010
Author:平井利博


高分子ゲル/エラストマーを用いた人工筋肉、汎用高分子の駆動材料への応用、(1)柔軟高分子の駆動材料への応用
加工技術 , 45(5):533-539 2010
Author:平井利博


ファイバー産業の刷新に向けた戦略的産学官連携の新たなステージへ
繊維学会誌 , 66(10):323 2010
Author:平井利博


ナノテク高機能ファイバー連携センターにおける協働開発推進の現状と課題
Web Journal , 111:0 2010
Author:平井利博


繊維系汎用高分子の自立応答性材料への応用
繊維学会 , SEN'I GAKKAISHI(繊維と工業) , 55(1):30-35 1999
Author:平井利博


The Effect of Surface Properties of Modified PVA Hydrogel Surface on Drag Reduction
Proc. of International Conference on Advanced Fiber Materials October 3-5, Ueda, Japan , :321-322 1999
Author:Md. Hamidul Islam;Masashi Watanabe;Hirohisa Morikawa;Toshihiro Hirai


Electric Conduction in Bending Electrostriction of Polyurethane
Proceedings ATC'99, The Asian Textile Conference, Kyoto, Japan , 2:1301-1302 1999
Author:M. Watanabe;M. Suzuki;Y. Amaike;T. Hirai


Characteristic Behavior of Polymer Solution under an Electric Field
Proceedings ATC'99, The5th Asian Textile Conference, Kyoto, Japan , 2:1298-1300 1999
Author:J. Zheng;M. Hagiwara;M. Watanabe;T. Hirai


Drag Reduction on theModified PVA Hydrogel Surface
Proceedings ATC'99, The 5th Asian Textile Conference , 1:91-94 1999
Author:M.H.Islam;M. Watanabe;H. Morikawa;T. Hirai


Electroactive Non-ionic Gel
Proceedings of International Conference on Advanced Fiber Materials , October 3-5, Ueda, Japan:287-288 1999
Author:J. Zheng;M. Hagiwara;M. Watanabe;T. Hirai


Flow Characteristics in Polymer Hydrogel Tube as Model Blood Vessel
Proc. of the International Conference on New Frontiers in Biomechanical Engineering , :145-148 1997
Author:Hirohisa Morikawa;Toshihiro Hirai;Masayuki Sakurai;Shunichi Kobayashi


高分子ゲルを用いた駆動材料
日本機械学会誌 , (4):311- 1996
Author:平井利博


改質ポリ塩化ビニル膜の光応答性
高分子加工 , 45(4):178-182 1996
Author:平井利博


高分子ゲルのアクチュエータへの応用
化学工学 , 60(1):42-47 1996
Author:平井利博


電場・磁場応答性を有する高分子ゲル
材料化学 , 32(2):59-63 1995
Author:平井利博


Polyurethane Elastomer Actuator
Proceedings of International Symposium on Advanced Network Polymers Kansai University (ISANKU) (Dec. 5-7, Suita, Osaka, Japan) , :61-62 1995
Author:T. Hirai;A. Ueda;T. Kasazaki;Y. Kurita;M. Yokoyama;S. Hayashi;M. Hira


pH-Induced Structure Change of Poly (vinyl alcohol) Crosslinked with Poly (acrylic acid)
Proceedings of International Symposium on Advanced Network Polymers Kansai University (ISANKU) (Dec. 5-7, Suita, Osaka, Japan) , :59-60 1995
Author:T. Hirai;T. Okinaka;S. Hayashi;Y. Amemiya;K. Kobayashi;M. Hirai


電場をかけると収縮を生じる弾性ポリウレタン
ポリファイル , 31(360):47-49 1994
Author:平井利博


電場で制御するポリウレタン
工業材料 , 42(2):26-31 1994
Author:平井利博


Mechanical and Electrical Properties of Poly Vinyl Alcohol Hydrogel as Sensor Material for Living Body
the Second World Congress of Biomechanics , 1:117- 1994
Author:Hirohisa Morikawa;Toshihiro Hirai;Masayuki Sakurai


Photoinduced Rectification of SBP-Containing PVC Membrane
Proc. of ISF'94 (International Symp. on Fiber Sci. and Technol.), 262B120 , :362- 1994
Author:T. Hirai;H. Hasaka;S. Hayashi


Magneto-Response of PVA Gels Containing Magnetic Body
Proc. of ISF'94 (International Symp. on Fiber Sci. and Technol.), 261F13 , :293- 1994
Author:T. Takamizawa;T. Hirai;S. Hayashi;M. Hirai


Temperature Dependence of Electric Field Induced Actuation of Polyurethane Elastomers
Proc. of ISF'94 (International Symp. on Fiber Sci. and Technol.), 261F12 , :292- 1994
Author:H. Sadato;T. Hirai;S. Hayashi;A. Ueda;T. Kasazaki;M. Hirai


Photo-induced Current of Plasticized Poly (vinyl chloride-co-ethylene) Membrane Containing Photochromic Dye
Proc. of ISF'94 (International Symp. on Fiber Sci. and Technol.), 271C01 , :136- 1994
Author:T. Hirai;H. Hasaka;S. Hayashi