Refreed papers


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Refreed Papers

2015

  • Tongsai Jamnongkan, Sathish K. Sukumaran, Masataka Sugimoto, Tomijiro Hara, Yumiko Takatsuka, Kiyohito Koyama, Towards novel wound dressimgs : antibacterial properties of zinc oxide nanoparticles and electrospun fiber mats of zinc oxide nanoparticle/poly(vinyl alcohol) hybrids, Journal of Polymer Engineering, 35, 511-610, Aug 2015, ISSN(Online)2191-0340, ISSN(Primt) 0334-6447, DOI: 10.1515

2014

  • Ryohei Komuro, Sathish K. Sukumaran, Masataka Sugimoto, Kiyohito Koyama, "Slip at the interface between immiscible polymer melts I: method to measure slip" Rheologica Acta, 53, pp23-30, 2014
  • Tongsai Jamnongkan, Ryo Shirota, Sathish K. Sukumaran, Masataka Sugimoto and Kiyohito Koyama, "Effect of ZnO nanoparticles on the electrospinning of poly(vinyl alcohol) from aqueous solution : Influence of particle size"、POLYMER ENGINEERING AND SCIENCE, 54, pp1969-1975, 2014, DOI: 10.1002/pen.23730

2013

  • Tongsai Jamnongkan, Ryo Shirota, Sathish K Sukumaran, Masataka Sugimoto, and Kiyohito Koyama, "Controlling diameter of fibers for antibacterial dressings" Society of Plastics Engineers, 2013,DOI:10.2417/spepro.005181
  • Ryohei Komuro, Sathish K. SuKumaran, Masataka Sugimoto, and Kiyohito Koyama, "Measuring Slip at a Polymer/Polymer Interface during Three-Layer Flow" Nihon Reoroji Gakkaishi, 41, pp235-239, 2013
  • M. Aita, M. Sugimoto, Y. Aoki, J Takimoto, K. Koyama and H. Kiritani,Polymer/Paint Interface Structure for Polystyrene, Poly(styrene-co-acrylonitrile) and Poly(methyl methacrylate) Injection Moldings, SEIKEI KAKOU, 25,1, 2013

2012

  • H. Uematsu, S. Tanoue, Y. Iemoto, M. Sugimoto, T. Taniguchi and K. Koyama  "Development of Polymer Extrusion Extruder for Evaluating with a Small Amount of Polymeric Material" International Polymer Processing, 27, pp.434-441, 2012
  • M. Takamura, M. Sugimoto, S. Kawaguchi, T. Takahashi and K. Koyama "Influence of Extrusion Temperature on Molecular Architecture and Crystallization Behavior of Peroxide-Induced Slightly Crosslinked Poly(L-lactide) by Reactive Extrusion" Journal of Applied Polymer Science, 23, pp1468-1478, 2012
  • D. K. Rai, G. Beaucage, E. O. Jonah, D.T. Britton, S. K. Sukumaran, S. Chopra, G. G. Gonfa and M. Harting "Quantitative investigations of aggregate systems" Journal of Chemical Physics, 40, pp136-137, 2011
  • R. Takahashi, A. Nishioka, A. Ishigami, T. Suzuki, S. Nishitsuji, T. Koda and A. Aoki, "Rheology of Polystyrene-block-poly[ethylene-co-(ethylene-propylene)]-block-polystyrene Tri-block Copolymer/Paraffinic Oil Blends Effect of Oil Molecular Weight on the Order-Disorder Transition" Nihon Reoroji Gakkaishi, 40, pp171-177, 2012

2011

  • Akihiro Nishioka, Yuji Aoki, Takaya Suzuki, Akira ishigami, TomohiroEndo, Tomonori Koda, Kiyohito Koyama Dynamic mechanical properties of polystyrene-block-Poly[ethylene-co-(ethylene-propylene)]-Block-Polystylene Triblock Copolymer/Hydrocarbon Oil Blends Journal of Applied Polymer Science,121, pp.3001-06 (2011)
  • Hideyuki Uematsu, Yuji Aoki, Masataka Sugimoto, Kiyohito Koyama, Effect of Epoxy Oligomer on Viscoelasticity of Acrylic Polymer Journal of Applied Polymer Science,120, pp1316-1321 (2011)
  • Yoshimune Nonomura, Takehide Ikeda, Masataka Sugimoto, Takashi Taniguchi, Phase inversion of Pickering Foam and Dry Water Stabilized by Microbowls Chemistry Letters, 40, pp136-137 (2011)
  • Yuji Aoki, Rheology of Carbon Black Suspensions. V. Heat-induced gelation and its reversibility Rheologica Acta, 50, pp787-793 (2011)
  • Yuji Aoki, Rheology of Carbon Black Suspensions. IV. Effect of Suspending Media on the Sol-Gel Transition Behavior Rheologica Acta, 50,pp779-785 (2011)
  • Y. Aoki, M. Aita, Y. Mizuochi, T. Kinumura, M. Sugimoto, J. Takimoto, K. Koyama, Paint / Polymer Interface Structure for ABS Injection Moldings International Polymer Processing, 26, pp399-402 (2011)
  • H. Uematsu, Y. Aoki, M. Sugimoto, K. Koyama, Rheology of SiO2/(Acrylic Polymer/Epoxy) Suspensions. Ⅲ, Uniaxial Elongational Viscosity Rheologica Acta, 50, pp433-439 (2011)
  • T. Goto, H. Awano, T. Takahashi, K. Yonetake, S. K. Sukumaran Effect of processing temperature on thermal doping of polyaniline without shear Polymers for Advanced Technologies, 22, pp1286-1291(2011)

2010

  • Hideyuki Uematsu, Yuji Aoki, Masataka Sugimoto, Kiyohito Koyama, ;Rheology of SiO2/(acrylic polymer/epoxy) suspensions. I. Linear viscoelasticity; Rheologica Acta,49(3), pp.299-304 (2010)
  • Ryohei Komuro, Koji Kobayashi, Takashi Taniguchi, Masataka Sugimoto and Kiyohito Koyama, ;Wall Slip and Melt-Fracture of Polystyrene Melts in Capillary Flow; Polymer, 51(10),pp2221-2228 (2010)
  • Yu Mizuochi, Takashi Taniguchi, Masataka Sugimoto and Kiyohito Koyama, ;Electric Field Induced Surface Profile Change of Liquid Film on a Periodically Aligned Electrode Array; Journal of the Society of Rheology,38(3),pp81-86 (2010)
  • Yuji Aoki, Kentaro Hirayama, Koji Kikuchi, Masataka Sugimoto, Kiyohito Koyama, ;Uniaxial elongational behavior of poly(vinyl chloride) physical gel; Rheologica Acta, 49,pp1071-76 (2010)
  • Yosuke Kadomae, Masataka Sugimoto, Takashi Taniguchi, Kiyohito Koyama, ;Discharge Behaviors and Jet Profiles During Electrospinning of poly(vinyl alcohol); Polymer Engineering and Science, 50,pp1788-96 (2010)
  • Masumi Takamura, Tomoyuki Nakamura, Seigou Kawaguchi, Tatsuhiro Takahashi, Kiyohito Koyama, ;Molecular characterization and crystallization behavior of peroxide-induced slightly crosslinked poly(L-lactide) during extrusion; Polymer Journal, 42,pp600-608 (2010)

2009

  • Tadayoshi Takahara, Kiyohito Koyama, "Influence of Talc Concentration on Angular deformation in Injection Molded Parts of Talc and Rubber Filled Polypropylene" Seikei Kakou,21(4),pp.223-231(2009)
  • Tadayoshi Takahara, Kiyohito Koyama, "Influence of Rubber Concentration on Angular deformation in Injection Molded Parts of Talc and Rubber Filled Polypropylene" Seikei Kakou,21(5),pp.280-286(2009)
  • Masataka sugimoto, Takashi Taniguchi, Yuji Aoki, Kiyohito Koyama, "Rheology and Morphology Change with Temperature of SEBS/Hydrocarbon Oil Blends" Journal of Polymer Science Part B: Polymer Physics,47(10),pp.955-965(2009)
  • Yosuke Kadomae, Masataka Sugimoto, Takashi Taniguchi, Kiyohito Koyama,  "Relation between Spinning Condition and Jet Profile in Electrospinning" Seikei Kakou,21,pp.627-632(2009)
  • Takashi Taniguchi, "Self-Consistent Field Theory and Density Functional Theory for Self-Organization in Polymeric Systems" Journal of the Physical Society of Japan, 78(4)(2009)
  • Yosuke Kadomae, Yasuhide Maruyama, Masataka Sugimoto, Takashi Taniguchi and Kiyohito Koyama "Relation between Tacticity and Fiber Diameter in Melt-Electrospinning of Polypropylene" Fiber and Polymers,10(3), pp.275-279(2009)

2008

  • Osamu Takiguchi, Daisaku Ishikawa, Masataka Sugimoto, Takashi Taniguchi and Kiyohito Koyama, "Effect of Rheological Behavior of Epoxy during Precuring on Foaming" Journal of Applied Polymer Science, 110(2), 657-662, (2008)
  • Yosuke Kadomae, Masahiro Amagasa, Masataka Sugimoto, Takashi Taniguchi and Kiyohito Koyama "Effect of electric current on beads formation in electrospinning of poly(vinyl alcohol)" International Polymer Processing, 23(4), 377-384, (2008)
  • Miho Yanagisawa, Masayuki Imai and Takashi Taniguchi "Shape Deformation of Ternary Vesicles Coupled with Phase Separation" Rhysical Review Letters, 100(4 pages), (2008)
  • Takashi Taniguchi, R. Uchino, M. Sugimoto and K. Koyama, "Orientation Dynamics of Block Copolymer under an Electric Field" AES Technical Reviews International Journal Part A : International Journal of Nano and Advanced Engineering Materials, 1(1), p.29-33 (2008)
  • Masayuki Imai, Miho Yanagisawa and Takashi Taniguchi, "Shape Deformation of Ternary Vesicles Coupled with Phase Separation" AIP Conference Proceeedings, 982 pp.667-671, (2008)
  • Osamu Takiguchi, Masataka Sugimoto, Takashi Taniguchi and Kiyohito Koyama, "Effect of viscosity of an epoxy near or over its gel point on foaming structures" AIP Conference Proceedings, 982 pp.501-503, (2008)
  • Takashi Taniguchi, Ryoichi Uchino, Masataka Sugimoto and Kiyohito Koyama, "Numerical and Experimental Studies on Alignment Dynamics of Lamellae of Block Copolymer under an Electric Field" AIP Conference Proceedings, 982 pp.482-485, (2008)
  • Remco Tuinier, Jan K. G. Dhont, Takashi Taniguchi and Tai-Hsi Fan, "Influence of depletion on fluid dynamics near an interface" AIP Conference Proceedings, 982 pp.326-330, (2008)
  • A. Nishioka, T. Koda, K. Miyata, G. Murasawa, K. Koyama, "The Effects of Small Contents of Water on Melt Rheology for Ethylene-Methacrylic Zinc Ionomers" Polymer Journal, 40(4) pp.350-353, (2008)
  • H. Uematsu, Y. Aoki, M. Sugimoto, T. Taniguchi, K. Koyama, "The Effect of 1,3 : 2,4-bis-O-(P-Methylbenzylidene)-D-Sorbitol (PDTS) on Uniaxial Elongational Viscosity of Polypropylene" Rheologica Acta, 47(2) pp.237-242, (2008)
  • T. Takahara, H. Furuhashi, H. Maeda, T. Inoyama, K. Koyama, "Study of Warpage in Injection Molding Using Rubber and Talc -filled Polypropylene-Influence of Rubber Concentration on Corner Deformation-" Jounal of Polymer Processing、20(3), pp.193-200, (2008)
  • Yuji Aoki "Rheological Characterization of Carbon Black/Polystylene Solution Systems" Journal of Applied Polymer Science, 108, pp.2660-2666, (2008)
  • Yuji Aoki "Viscoelastic Properties of Blends of Poly(methylmethacrylate) and Poly(styrene-co-acrylonitrile) Having Various Acrylonitrile Contents" Journal of Applied Polymer Science, 108, pp.2206-2210(2008)
  • Yuji Aoki "Rheology of Carbon Black Suspensions: Effect of Carbon Black Structure" International Congress on Rheology, The Society of Rheology 80th Annual Meeting (2008)

2007

  • M. Sugimoto, H.Hida, T. Taniguchi, K. Koyama, Y. Aoki, "Rheological properties of poly(vinyl chloride)/plasticizer systems-relation between sol-gel transition and elongational viscosity", Rheologica Acta, 46 (7), 957-964, (2007)
  • FJ. Stadler, A. Nishioka, J. Stange, K. Koyama, H. Muenstedt, "Comparison of the elongational behavior of various polyolefins in uniaxial and equibiaxial flows", Rheologica Acta, 46 (7), 1003-1012, (2007)
  • A. Tsuchiya, H. Tateyama, K. Tokio, T. Takahashi, K. Koyama, "Influence of filler types and contents on foaming structures in ABS microcellular foams", POLYMER JOURNAL, 39 (6), 514-523 (2007)
  • GZ Li, T. Matsuda, A. Nishioka, KW. Liang, Y. Masubuchi, K. Koyama, CU. Pittman, "Rheological properties of poly(methyl methacrylate)/rigid ladderlike polyphenylsilsesquioxane blends", Jounal of Applied Polymer Science 104 (1): 352-359 (2007)
  • M. Shibuya, T. Takahashi, K. Koyama, "Microcellular ceramics by using silicone preceramic polymer and PMMA polymer sacrificial microbeads", Composites Science and Techonology 67 (1)(2007)
  • Hideyuki Uematsu, Yuji Aoki, Masataka Sugimoto, Takashi Taniguchi and Kiyohito Koyama
    "The effect of 1,3:2,4-bis-O-(p-methylbenzylidene)-D-sorbitol(PDTS) on uniaxial elongational viscosity of polypropylene" Rheologica Acta, 47(2) (2007)
  • Remco Tuinier, Takashi Taniguchi and H. H. Wensink, "Phase behavior of a susupension of hard spherocylinders plus ideal polymer chains", The European Physical Journal E - Soft Matter 23, 355-365 (2007)
  • Shotaro Nishitsuji, Mikihito Takenaka, Takashi Taniguchi and Hirokazu Hasegawa
    "Computer Simulation Study on the Shear-Induced Phase Separation in Semi-Dilute Polymer Solutions by Using Ianniruberto-Marrucci Model" Kobunshi Ronbunshu 64(5), 324-327 (2007)
  • Tetsu Mitsumata, Mitsuaki Nagata, Takashi Taniguchi and Seigou Kawaguchi, “Storage Modulus of Poly(vinyl alcohol) Gels Loaded with Polyelectrolyte Particles” e-Polymer, 056 pp.1-8 (2007)
  • Masataka Sugimoto, Hirokazu Hida, Takashi Taniguchi, Kiyohito Koyama and Yuji Aoki, "Rheological properties of poly(vinyl chloride)/plasticizer systems--- Relation between sol-gel transition and elongational viscosity ---" Rheologica Acta, 46 957-964(2007)
  • Yuji Aoki "Rheological characterization of carbon black/varnish suspensions" Physicochem. Eng. Aspects, 308 79-86(2007)

2006

  • M. Sugimoto, Y. Suzuki, K. Hyun, KH. Ahn, T. Ushioda, A. Nishioka, T. Taniguchi, K. Koyama, "Melt rheology of long-chain-branched polypropylenes", Rheologica Acta 46 (1), 33-44 (2006)
  • K. Hyun, KH. Ahn, SJ. Lee, M. Sugimoto, K. Koyama, "Degree of branching of polypropylene measured from Fourier-transform rheology", Rheologica Acta 46 (1) 123-129 (2006)
  • T. Taniguchi, T. Mitsumata, M. Sugimoto, K. Koyama, "Anisotropy in elastic modulus of hydrogel containing magnetic particles", Physica A-Statistical Mechanics and Its Applications 370 (2) 240-244 (2006)
  • A. Nishioka, A. Minegishi, T. Takahashi, T. Koda, Y. Masubuchi, J. Takimoto, K. Koyama, "The Influence of Heat Treatment on Uniaxial Elongational Flow Behavior of PS/SBS Blends", Journal of the Society Rheology, Japan 34 (4) 189-197 (2006)
  • M. Kakuda, T. Takahashi, K. Koyam, "Elongational viscosity of polymer composite including hydrophilic or hydrophobic silica nano-particles", Journal of the Society Rheology, Japan 34 (3) 181-184 (2006)
  • K. Watanabe, M. Hikosaka, K. Koyam, "Acceleration mechanism of growth rates under low shear rate flow- Due to the oriented melt Novel morphology of spiralite-", Sen-I Gakkaishi 62 (4) 102-108 (2006)
  • K.Watanabe, T. Okada, A. Toda, S. Yaniazaki, T. Taniguchi, K. Koyama, K. Yamada, M. Hikosaka, "Acceleration mechanism of growth rates under shear flow due to the oriented melt - The novel morphology of spiral crystal (spiralite)-", Macromolecules 39 (4) 1515-1524 (2006)

2005

  • Management of technology program, K Koyama, SEN-I GAKKAISHI 61 (12): 315-315 DEC 2005Solubility parameters of biodegradable polymers from turbidimetric titrations, M. Imaizumi, T. Nagata, Y. Goto, Y. Okino, T. Takahashi, K. Koyama, KOBUNSHI RONBUNSHU 62 (9): 438-440 2005
  • Electro- and magneto-rheological materials: Stimuli-induced rheological functions, K. Minagawa, K. Koyama, CURRENT ORGANIC CHEMISTRY, 9 (16): 1643-1663 NOV 2005 Control of nonlinear viscoelasticity for polymer melts, K. Koyama, KOREA-AUSTRALIA RHEOLOGY JOURNAL 17 (3): 141-143 SEP 2005
  • The effects of metal cation types on zero shear viscosities for ethylene-co-methacrylic lonomer melts, A.Nishioka, M. Nishio, T. Koda, S. Ikeda, K. Koyama, NIHON REOROJI GAKKAISHI, vol. 33 (4), 199-204, 2005
  • Uniaxial elongational viscosity of PC/a small amount of PTFE blend, T. Kurose , T. Takahashi, M. Sugimoto, T. Taniguchi, K. Koyama, NIHON REOROJI GAKKAISHI 33 (4): 173-182 2005
  • Effect of material species on flash generation of PPS/GF composites, H. Higuchi, H. Goto, K. Koyama, INTERNATIONAL POLYMER PROCESSING 20 (2): 215-223 JUN 2005
  • Rheological properties of polystyrene blends with rigid ladderlike polyphenylsilsesquioxane , GZ. Li, T. Matsuda, A. Nishioka, K. Miyata, Y. Masubuchi, K. Koyama, CU. Pittman, JOURNAL OF APPLIED POLYMER SCIENCE 96 (3): 706-713 MAY 5 2005
  • Rheological properties of ethylene ionomer neutralized with binary metal cation, Nishio M, Nishioka A, Taniguchi T, Koyama K, POLYMER 46 (1): 261-266 JAN 6 2005 Theoretical model for flash generation, H. Higuchi, W. Kosaka, K. Koyama, POLYMER ENGINEERING AND SCIENCE 45 (2): 198-206 FEB 2005
  • Effect of processing conditions on flash generation, H. Higuchi, H. Goto, K. Koyama, POLYMER ENGINEERING AND SCIENCE 45 (2): 238-247 FEB 2005
  • Modeling strain hardening of polydisperse polystyrene melts by molecular stress function theory, Wagner M, Kheirandish S, Koyama K, Nishioka A, Minegishi A, Takahashi T, RHEOLOGICA ACTA 44 (3): 235-243 JAN 2005
  • A Novel Elongational Rheology Control of PS by SBS and Dicumyl Peroxide, A. Minegishi, A. Nishioka, T. Takahashi, Y. Masubushi, J. Takimoto, K. Koyama, Nihon Rheology Gakkaisgih,33, 3, 141-144, 2005

2004

  • Takashi Kurose,Tatsuhiro Takahashi and Kiyohito Koyama, "A New Process to Make aPorous PTFE Structure from Aqueous PTFE Dispersion with the Help of Hydorogel " , Journal of Porous Materials (2004)
  • Jun Takagi, Tomoyuki Nemoto, Tatsuhiro Takahashi, Takashi Taniguchi and Kiyohito Koyama, "Improvement of mechanical propertiesfor poly (L-lactic acid) film through drawing process optimization", "Senigakkaishi "(2004)
  • Akihiro Nishioka, Mihoko Nishio, Tatsuhiro Takahashi and Kiyohito Koyama, "Uniaxial, biaxial and planar elongational viscosities for ionomers based on poly (L-lactic acid), "nihonreorojigakkaishi" (2004)
  • Qiang Wang, Takashi Taniguchi and Glenn H.Fredrickson, "Self-consistent field theory of polyelectrolyte systems", Journal of Physical Chemistry B (2004)
  • Tetsu Mitsumata, Kousuke Sugitami and Kiyohito Koyama, "Electrorheological Response of Swollen Silicone Gels Containing Barium Titanate", Polymer (2004)
  • Tetsu Mitsumata, Akiyasu Nagata, Kazuki Sakai and Takashi Taniguchi, "Anisotropy in Storage Modulus of Magnetic Gels Induced by Magnetization", Japanse Journal of Applied Physics (2004)
  • Katsufumi Tanaka, Teppei Wakayasu, Atsushi kubota and Ryuichi Akiyama, "Electro-rheological behavior of suspension compared of titanium dioxide nano-particles", Sensors and Actuators A-physical (2004)
  • Hiroyuki Higuchi, Kiyohito Koyama, "Flow Analyses in s Spiral Mandrel Die Assuming Wall Slip", International Polymer Processing, (2004)
  • Tatsuya Yamaue, Takashi Taniguchi and Masao Doi, "The simulation of the swelling and deswelling dynamics of gels", Molecular Physics (2004)
  • Annadanam V.Sesha Sainath, Takashi Inoue, Yoshiharu Hatakeyama, Masahiro Shishido, Kenzo Okamoto, Seigou Kawaguchi, Takashi Kurimaya and Kiyohito Koyama, "Polyacrylonitrile/Nylon 6 blends:Preparation and characterization", Macromolecular Materials and engineering (2004)
  • Bold Gombojav, Nasanbat Namsrai, Takehisa Yoshinari, Shin-ichiro Nagasaka, Hiroki Itoh and Kiyohito Koyama, "Fluorescence spectra of bithiophone and terthiophone single crystals and of their isolated molecules in cyclodextrin", Lournal of Solid State Chemistry (2004)
  • Seiji Siromoto, Kiyohito Koyama, "Study on viscoelastic behavior and extrusion Bblow molding processability of PP/PE blends", International Polymer Processing (2004)
  • Takashi Taniguchi, Masao Doi, "Modeling of spin Coating film transfer and hot pressing method in the new LSI fabrication process I -the film transfer process-", Japanese Journal of Applied Physics Part 1-Regular Papers Short Notes & Review Papers (2004)
  • Bold Gombojav, Takehisa Yoshinari, Hiroki Itoh, Shin-ichiro Nagasaka, Yasunao Kuriyama and Kiyohito Koyama, "Temperature Dependence of the Absorptions spectra of bithiophone and terthiophone isolated molecules in cyclodextrin", Journal of the Physical Society of Japan (2004)
  • Toshio Nakatani, Takahiro Wakita, Rikuo Ota, Takashi Wakasugi and Katsuhisa Tanaka, "Preparation of mixed oxide powders in the systems ZrO2-MxOy and [20Ceo(2)-80Zro(2)(mol%)]-MxOy from zirconium sulfated slurry for the purification catalysts of autmotive emission", Materials Science Research International (2004)
  • Hiroo Fukunaga, Jun-ichi Takimoto and Masao Doi, "Moleculer dynamics simulation study on the phase behavior of the Gay-Berne model with a terminal dipole and a flexible tail", Journal of Chemical Physics (2004)
  • Yuichi Masubuchi, Giovanni Ianniruberto, Francesco Greco and Giuseppe M arrucci, "Molecular simulations of the long-time behavior of entangled polymeric liquids by the primitive chain network model", Modeling and Simulation in Materials Science and Engineering (2004)
  • Tomohiro Nakayama, Takashi Hironaga, Hatsue Ishima, Takashi Maruyama, Yuichi Masubuchi and Shinichiro Kokubun, "Theprostacyclin analogue beraprost sodium prevents development of arterial stiffness in elderly patients with cerebral infarction", Prostaglandins Leukotrienes and Essential Fatty Acids (2004)
  • Takeshi Mori, Yasuhisa Fukuda, Hirokazu Okamura, Keiji Minagawa, Seizo Masuda and Masami Tanaka, "Thermosensitive copolymers having soluble and insoluble monomer units, poly(N-vinylacetamide-co-methyl acrylate)s:Effect of additives on their lower critical solution temperatures", Journal of Polymer Science Part A-polymer Chemistry (2004)
  • Mikael Rigdahl, Pavel Riha, Rodney W.Rychwalski, Michael J Kubat and Josef Kubat, "The clustering mechanism underlying akinetic model related to Bose-Einstein statistics", Mechanics of Time-Dependent Materials (2004)
  • Yuichi Masubuchi, Kazuyoshi Tsukamoto, Osamu Isogai, Yoshiharu Yajima, Satoru Ito and Takahisa Uchiyama, "Effect of a high-salt diet on gamma-aminobutyric acid-mediated responses in the nucleus tractus solitarius of Sprague-Dawley rats", Brain Research Bulletin (2004)
  • Yuichi Masubuchi, Hiroshi Watanabe, Giovanni Ianniruberto, Francesco Greco and Giuseppe Marrucci, "Primitive chain network simulations on dielectric relaxation of linear polymers undershear flow", "nihonreorojihgakkaishi" (2004)
  • Petr slobodian, Pavel Riha, Anezka Lengalova, Jiri Hadac, Petr Saha and Josef Kubat, "Enthalpy and volume relaxation of PMMA, PC and a-Se:evaluation of aging bulkmoduli", Journal of Non-Crystalline Solids (2004)

2003

  • M. Yoshimura, K. Ihara, H. Nagai, H. Nagai, T. Tkahashi and K.Koyama, "Analysis of the Effect of Incorporation a Small Ammount of PMMA on Fiber Structure Formation of PET", Joournal of Macromolecular Science Part B - Physics 42(1), 189-199(2003)
  • K. Watanabe W. Nagatake, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Direct Observation of Polymer Crystallization Process Under Shear by a Shear Flow Observation System", Polymer Testing 22(1), 101-108(2003)
  • M. Yoshimura, K. Ihara, H. Nagai, T. Takahashi and K. Koyama, "Structure Formation of Blend and Sheath/Core Conjugated Fibers in High-Speed Spinning of Pet Incliding a Small Amount of PMMA ", Journal of Macromolecular Science Part B - Physics 42(2), 325-339(2003)
  • T. Kurose, T. Takahashi, A. Nishioka, Y. Masubuchi, J. Takimoto and K.Koyama, "The Effect of Pre-Thermal histry on Shear and Uniaxial Elongational Viscosity of a Tetrafluoroethylene/Hexafluoropropylene Copolymer near the Crystal Melting Transition", Rheologica Acta 42(4), 338-344(2003)
  • T. Kurose, T. Takahashi and K. Koyama, "Uniaxial Elongational Viscosity of FEP/a Small Amountof PTFE Blends", Journal of the Society of Rheology,Japan 31(4), 195-200(2003)
  • K. Watanabe, T. Suzuki, Y. Masubuchi, T. Taniguchi, J. Takimoto and K. Koyama, "Crystallization Linetics of Polypropylene under High Pressure and Steady Shear Flow", Polymer 44(19), 5843-5849(2003)
  • H. Higuchi, M. Sato and K. Koyama, "Effect of Wall Slip on Blown Film Tickness Distribution", Polymer Engineering and Science 43(11) 1788-1797(2003)
  • E. Juliac, T. Mitsumata, T. Taniguchi, K. Iwakura and K. Koyama, "Ultrasonic Investirations of Hydrogels Containing Barium Ferrite Particles", The Journal of Physical Chemistry B 107(23), 5426-5431(2003)
  • T. Takahashi, K. Yonetake, K. Koyama and T. kikuchi, "Polycarbonate Crystallization by Vapor-Grown Carbon Fiber with and without Magnetic Field", Macromolecular Rapid Communications 24(13), 763-767(2003)
  • A. V. Sesha Sainath, K. Yonetake, T. Aita, T. Inoue and K. Koyama, "Synthesis and characterization of 6-[4-(trans-4-pentylcyclohexyl)phenoxy]hexyl axrylate homopolymer and copolymers", Liquid Crystals 30(5), 565-570(2003)
  • T. Takahashi, "SiOC Ceramic Foam sthrough Melt Foaming of a methylsilicone Preceramic Polymer", Journal of Porous Materials 10(2),113-121(2003)
  • K. Watanabe, T. Takahashi, J. Takkimoto and K. Koyama, "Direct Observation of Crystallization of polybutene-1 Under Low Shear Rate Flow", Journal of Macromolecilar Science Part B-Physics 42(5), 1111-1124(2003)
  • T. Mitsumata, Y. Suemitsu, k. Fujii, T. Fujii, T. Taniguchi and K. Koyama,"PH-response of Chitosan, K-carrageenan, Carboxymethyl Cellulose Sodium Salt Complex hydrogels", Polymer 44(23), 7103-7111(2003)
  • S. K. Ghosh, S. Kawaguchi, Y. Jinbo, Y. Izumi, K. Yamaguchi, T. Taniguchi, K. Nagai and K. Koyama, "Nanoscale Solution Structure and Transfer Capacity of Amphiphilic Poly(amidoamine) Dendrimers Having Water and Polar Guest Molecules Inside", Macromolecules 36(24), 9162-9169(2003)

2002

  • M. Nishio, A. Nishioka, T. Tatsuhiro, J. Takimoto, and K. Koyama, "Composition Dependence of Viscosity of Ethylene Ionomer Blends", Journal of the Society of Rheology,Japan 30(3), 155-157(2002)
  • A. Nishioka, T. Takahashi, Y. Masubuchi, J. Takimoto, and K. Koyama, "Rheological Characterization of Ionic Bonding in Ethylene-Ionomer Melts with Low Netralozation Degree", Journal of Rheology 46(6), 1325-1339(2002)
  • T. Mitsumata, E. Juliac, K. Furukawa, K. Iwakura, T. Taniguchi, and K. Koyama, "Anisotropy in Longitudinal Modulus of Polymer Gels Containing Ferrite",Macromolrculst Rapid Communications 23(3), 175-178(2002)
  • T. Mitsumata, M. Yuge, S. Morino, K. Iwakura, and K. Koyama, "Strage Modulus and Surface Morphology of Poly(vinil alcohol)/Alumina Hybrid Hydrogels", Macromolecular Rapod Communications 23(17) 1045-1048(2002)
  • P. Riha, J. Takimoto, Y. Masubuchi, and K. Koyama, "The Contribution of Columnar Structure to the Stress in ER Polymeric Blends in a Shear Flow", International Journal of Modem Physics B 16(17&18), 2542-2547(2002)
  • T. Mitsumata, K. Furukawa, Etienne Juliac, Kenji Iwakura, Kenji Iwakura, and K.Koyama, "Compressive Modulus of Ferrite Containig Polymer Gels", International Journal of Modern Physics B 16(17&18), 2419-2425(2002)
  • K. Minagawa, T. Kannno, H. Okamura, T. Mori, S. Masuda, H. Takagi, and K, Koyama, M. Tanaka, "Novel Electrorheological Materials with Ternary Blends Containing Polyethers and Urethanes", International Journal of Modern PhysicsB 16(17&18), 2481-2486(2002)
  • C. Suri, K. Takenaka, H. Yanagida, Y. Kojima, and K. Koyama, "Chaotic Mixing Generated by Acoustic Streaming", ULTRASONICS 40,393-396(2002)
  • C. Suri, K.Takenaka, Y. Kojima, and K. Koyama, "Experimental Study of a New Liquid Mixing method Using Acoustic Streaming", Journal of Chemical Engineering of Japan 35(6), 497-502(2002)
  • A. Nishioka, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Rheological Characterization of Ionic Bonding in Ethylene-Ionomer Melts with Low Neutralization Degree", J. Rheol. 46 , 1325, 2002

2001

  • M. Yoshimura, K. Iohara, H. nagai, T. Takahashi, and K. Koyama, "Fiber Structure Formation in High-Spinning of Poly(ethylene terephthalate) Hybrid Polymer", Proceedings of International Conference on Advanced Polymers and Processing ,105-111(2001)
  • A. V. Sesha Sainath, K. Yonetake, T. Aita, T. Inoue, and K. Koyama, "Synthesis and Characterization of Homo, Black and Random Copolymers of 6-(4'-(trans-4"-pentylcyclohexyl)phenoxy)hexyl Acrylate", Proceedings of the International Conference on Advanced Polymers and Processing, 166-170(2001)
  • Y. Teramoto, Y/. Umino, and K.Koyama, "Flow behavior of the Solutions: Poly-p-Phenylenebenzobisoxazole in Poly Phosphoric Axid", Proceedings of the International Conference on Advanced Polymers and Processing, 256-259(2001)
  • T. Takahashi, J. Kaschta, and H. Munstedt, "Melt Rheology and Structure of Silicone Resins", Rheological Acta, 40, 490-498(2001)
  • T. Takahashi, H. Munstedt, M. Modesti, and P. Colombo, "Oxidation Resistant Ceramic Foam from a silicone Preceramic Polumer/Polyurethane Blend", Journal of European Ceramic Society, 21,2821-2828(2001)
  • T. Takahashi, H. Munstedt, M. Modesti, and P. Colombo, "Thermal Evolution of a Silicone Resin/Polyurethane Blend from Preceramic to Ceramic Form", Journal of Materials Science, 36, 1627-1639(2001)
  • S. Higuchi, Y. Masubuchi, T. Mitsumata, J. Takimoto, and K. Koyama and A. Suzuki, "WaterAbsorption Processes of Vacuum-Dried Agar Gels including Dimethyldioctadecylammonium Chloride and Pply(vinyl acetate)", Proceedings of the International Conference on Advanced Polymers and Processing,178-183(2001)
  • J. Koide, T. Mitsumata, Y.Masubuchi, J. Takimoto , and K. Koyama, "ER Response of Polysiloxane Elastomers Containinf BaTiO3 Particles", Proceedings of the International Conference on Advanced Polymers and Processing, 184-188(2001)
  • T. Kameda, J. Takimoto, and K. Koyama, "Shrinkage Anisotropy of Injection Molded Plate Products", Proceedings of the International Conference on Advanced Polymers and Processing, 10-15(2001)
  • K.Okamoto, M. Takahashi, H. Watanabe, and K. Koyama, T. Masuda, "Stress Relaxation of Polyisobutylene/Polydimethylsiloxane Blend under Large Step Shear Strain and Calculation of Stress from Droplet Shape" Proceedings of the International Conference on Adcanced Polymers and Processing, 195-201(2001)
  • M. Sugimoto, Y. Masubuchi, J. Takimoto and K. Koyama, "Melt Rheology of Polypropylene Containing Small Amount of High Molecular Weight Chain I. Shear Flow", J. Appl. Polym. Sci., 39(21), 2692-2704 (2001)
  • M. Sugimoto, Y. Masubuchi, J. Takimoto and K. Koyama, "Melt Rheology of Polypropylene Containing Small Amount of High Molecular Weight Chain II. Uniaxial and Biaxial Extensional Flow", Macromolecules, 34(17), 6056-6063 (2001)
  • Y. Masubuchi, J. Takimoto, K. Koyama, G. Ianniruberto, F. Greco and G. Marrucci, "Brownian Simulations of a Network of Reptating Primitive Chains", J. Chem. Phys , 115(9), 4387-4394 (2001)
  • A. Minegishi, A. Nishioka, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Uniaxial elongational viscosity of PS/a small amount of UHMW-PS blends", Rheol. Acta, 40(4), 329-338 (2001)
  • A. Nishioka, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Melt rheology of ethylene ionomers blended with a small-molecular acid", Polymer, 42(18), 7907-7910 (2001)
  • Y. Masubuchi, A. Nishioka, J. Takimoto and K. Koyama, "Simulation Study on Molecular Relaxation in Ionomer Melts", Comp. Theor. Polym. Sci., 43(1), 239-242 (2001)
  • A. Minegishi, T. Takahashi, A. Nishioka, Y. Masubuchi, J. Takimoto and K. Koyama, "Uniaxal Elongational Flow Behavior of SBS Block Copolymer Melts Treated at High Temperature; the correlation of closslinking and strain-hardening", J. Soc. Rheol. Jpn. 29(1), 61-62 (2001)
  • Y. Masubuchi, K. Watanabe, W. Nagatake, J. Takimoto and K. Koyama, "Thermal analysis of shear induced crystallization by the shear flow thermal rheometer: isothermal crystallization of polypropylene", Polymer 42, 5023-5027 (2001)
  • Y. Kato, Y. Masubuchi, J. Takimoto and K. Koyama, "The Mechanism of ER Effect Induced by Attaching Flocked Fabrics on Electrodes", Int. J. Mod. Phys. B., 15 (6,7), 767-773 (2001)
  • C. Ogawa, Y. Masubuchi, J. Takimoto and K. Koyama, "Domain Structure and MR Effect of Ferrofluid Emulsion", Int. J. Mod. Phys. B., 15 (6,7), 859-863 (2001)
  • H. Iwatsuki, N. Gohko, H. Kimura, Y. Masubuchi, J. Takimoto and K. Koyama, "Molecular Orientation and Electrohydrodynamic Flow in Homogeneous ER Fluids", Int. J. Mod. Phys. B., 15 (6,7), 973-979 (2001)
  • H. Kimura, K. Aikawa, Y. Masubuchi, J. Takimoto and K. Koyama, "Electrically Induced Viscosity Change in Immiscible Liquid Blend", Int. J. Mod. Phys. B., 15 (6,7), 1062-1069 (2001)
  • S. Shanbhag, R. G. Larson, J. Takimoto and M. Doi, "Deviations from Dynamic Dilution in the Terminal Relaxation of Star Polymers", Physical Review Letters, 87(19), 5502-5505 (2001)
  • G. Z. Li, L. Wang, H. Toghiani, T. L. Daulton, K. Koyama and Charles U, Pittman, Jr. , "Viscoelastic and Mechanical Properties of Epoxy/Multifunctional Polyhedral Oligomeric Silsesquioxane Nanocomposites and Epoxy/Ladderlike Polyphenyl Silsesquioxane Blends", Macromolecules, 34(25), 8686-8693 (2001)
  • A. Nishioka, Y. Masubuchi, J. Takimoto and K. Koyama, "Measurement of Planar Elongational Viscosity and Planar Stress Relaxation of Polymer Melts Using Lubricated Squeezing Flow Method", Seikei-Kakou, 13 (8), 563-570 (2001)
  • H. Shikuma and K. Koyama, "Rheology of Metallocene Catalyzed Ethylene/α-Olefin Copolymers", Seikei-Kakou, 13(11), 746-750 (2001)
  • H. Iwatsuki and K. Koyama, "Electrorheology of Polymers", Reports on Progress in Polymer Physics in Japan, 43, 391-400 (2000)
  • K. Minagawa, S. Masuda, N. Gohko, K. Koyama and M. Tanaka, "Homogeneous and Blended ER Fluids with Polyether Derivatives", International Journal of Modern Physics B, 15, 641-648 (2001)
  • K. Koyama, "Domain Structure Control by Electric Field", International Journal of Modern Physics B, 15, 864-877 (2001)
  • Yao WG, S. Tanifuji, K Takahashi and K. Koyama, "Mixing Efficiency in a Pin Mixing section for single-screw extruders", POLYMER ENGINEERING AND SCIENCE, 41 (6), 908-917 (2001)
  • A. V. S. Sainath, T. Inoue, K. Yonetake and K. Koyama, "Thermal Behaviour of Poly(acryloyloxybenzoic acid)/Nylon6 Blends", Polymer, 42 (24), 9859-9862 (2001)

2000

  • A. Nishioka, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Description of Uniaxial, Biaxial, and Planar Elongational Viscosities of Polystyrene Melt by K-BKZ Model", J. Non-Newtonian Fluid Mech., 89, 287-301 (2000)
  • W. Nagatake, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Development of Shear Flow Thermal Rheometer (SFTR) for direct measurement of crystallization fraction of polymer melts under shear deformation ", Polymer, 41, 523-531 (2000)
  • S. Tanifuji, T. Kikuchi, J. Takimoto and K. Koyama, "Overall Numerical Simulation of Extrusion Blow Molding Process", Polym. Eng. & Sci., 40(8), 1878-1893 (2000)
  • H. Yanagida, Y. Masubuchi, K. Minagawa, T. Ogata, J. Takimoto and K. Koyama, "Dependence of sonochemical luminescence on various sound fields", Ultrasonics, 38 , 671-675 (2000)
  • H. Shikuma and K. Koyama, "Rheology of Column-Fractionated Ethylene/a-Olefin Copolymers Prepared with Metallocene Catalyst", Seikei-Kakou , 12(11), 724-746 (2000)
  • M. Akatsu and K. Koyama, "The Draw Resonance in a Two Layer Film Forming Process", Seikei-Kakou , 12(12), 749-799 (2000)

1999

  • T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Uniaxial Elongational Viscosity of Various Molten Polymer Composites", Polymer Composites , 20(3), 357-366 (1999)
  • P. Riha, H. Kimura, K. Aikawa, Y. Masubuchi, J. Takimoto and K. Koyama, "The Shear-flow Properties of Electro-Rheological Liquid Polymeric Blends", J. Non-Newtonian Fluid Mech., 85 , 249-256 (1999)
  • K. Koyama, "Performance of Electrically Sensitive Fluid", J. Intelligent Material Systems and Structures, 9 , 621-625 (1999)
  • K. Minagawa, H. Okamura, S. Masuda, M. Tanaka, N. Gohko, Y. Masubuchi, J. Takimoto, K. Koyama and T. Uemura "Preparation and Property of Model Homogeneous ER Fluids Having Urethane Groups", Int. J. Mod. Phys. B., 13 (14,15,16), 1998-2004(1999)
  • H. Kimura, K. Aikawa, Y. Masubuchi, J. Takimoto, K. Koyama and T. Uemura, "Electrically Induced Phase Inversion in Polyurethane/dimethylsiloxane Blend", Int. J. Mod. Phys. B., 13 (14,15,16), 2011-2017(1999)
  • J. Takimoto, H. Takeda, Y. Masubuchi and K. Koyama, "Stress Rectification in MR Fluids under Tilted Magnetic Field",Int. J. Mod. Phys. B., 13 (14,15,16), 2028-2035(1999)
  • M. Sugimoto, T. Tanaka, Y. Masubuchi, J. Takimoto and K. Koyama, "Effect of Chain Structure on the Melt Rheology of Modified Polypropylene", J. Appl. Polymer Sci. , 73, 1493-1500 (1999)
  • T. Takahashi, J. Takimoto and K. Koyama, "Elongational Viscosity for Miscible and Immiscible Polymer Blends. I. PMMA and AS with Similar Elongational Viscosity", J. Appl. Polymer Sci. , 73, 757-766 (1999)
  • T. Takahashi, J. Takimoto and K. Koyama, "Elongational Viscosity for Miscible and Immiscible Polymer Blends. II. Blends with a Small Amount of UHMW Polymer", J. Appl. Polymer Sci. , 72, 961-969 (1999)
  • T. Takahashi, A. Nishioka, Y. Masubuchi, J. Takimoto and K. Koyama, "A Systematic Description by BKZ Model of Strain Hardening or Softening in Uniaxal Elongation of Polymer Melts", J. Macromol. Sci.- Phys.,B, 38(3), 289-304 (1999)
  • H. Yanagida, Y. Masubuchi, K. Minagawa, T. Ogata, J. Takimoto and K. Koyama, "Effect of Ultrasound Frequency on sonochemical Luminescence under Welldetermined Sound Pressure", Jpn. J. Appl. Phys. , 38 , 3103-3104 (1999)
  • H. Yanagida, Y. Masubuchi, K. Minagawa, T. Ogata, J. Takimoto and K. Koyama, "A Reaction Kinetics Model of Water Sonolysis in the Presence of a Spin-Trap", Ultrason. Sonochem., 5, 133-139 (1999)
  • S. Kamata, M. Kudo, H. Moritoki and K. Koyama, "Evaluation of P-v-T Properties of Crystalline Polymers Using Injection Molding Process Part I. Determination of P-v-T Properties in Solid Phase", Seikei-Kakou , 11(7), 627-636 (1999)
  • S. Kamata, M. Kudo, H. Moritoki and K. Koyama, "Evaluation of P-v-T Properties of Crystalline Polymers Using Injection Molding Process Part II. Determination of P-v-T Properties in Molten Phase", Seikei-Kakou , 11(8), 716-725 (1999)
  • S. Kamata, M. Kudo, H. Moritoki and K. Koyama, "Crystallization Control Using Injection Compression Molding Part I. Crystallization Control of Polypropylene", Seikei-Kakou , 11(10), 856-864 (1999)
  • S. Nagata and K. Koyama, "Measurement of Orientation for Conductive Rubber by Microwave Method", Seikei-Kakou , 11(2), 142-150 (1999)
  • M. Sugimoto, Y. Masubuchi, J. Takimoto and K. Koyama, "Melt Strength and Extrudate Swell of High-Melt-Strenghth Polypropylene", J. Soc. Rheol. Jpn., 27(1), 67-68 (1999)
  • Y. Masubuchi, J. Takimoto and K. Koyama "Simulation Study on Effect of Polymer Entanglement on the Strain Hardening", Molecular Simulation , 21, 257-269 (1999)

1998

  • S. Higuchi, A. Suzuki, M. Kubota, Y. Masubuchi, J. Takimoto and K. Koyama, "Effects of the Pressure and Finishing Agents on the Water Absorption of Cotton Fabric", Sen'i Gakkaishi 54(3), 152-158 (1998)
  • T. Takahashi, H. Nakajima, Y. Masubuchi, J. Takimoto and K. Koyama, "Strain-hardening property and internal deformation of polymer composite melts under uniaxial elongation", Sen'i Gakkaishi 54(10), 538-543 (1998)
  • T. Takahashi, J. Takimoto and K. Koyama, "Elongational Viscosities of Random and Block Copolymer Melts", J. Appl. Polym. Sci., 69, 1765-1774 (1998)
  • T. Takahashi, J. Takimoto and K. Koyama, "Uniaxial Elongational Viscosity of Poly(styrene-block-butadiene-block-styrene) Melts", Mat. Sci. Res. Int., 4(2), 97-102(1998)
  • A. Nishioka, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Stress Relaxation of Polymer Melts in Biaxial and Planar Elongations", Mat. Sci. Res. Int., 4(2), 121-123(1998)
  • A. Nishioka, Y. Takagi, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "Measurement of Biaxial Elongational Viscosity of Polymer Melts Using Lubricated Squeezing Flow Method", J. Soc. Mat. Sci., Jpn., 47(12), 1296-1300(1998)
  • Y. Masubuchi, H. Matsuoka, J. Takimoto, K. Koyama and Y. Ohta, "Measurement of Young's modulus and Poisson's ratio of polymers under high pressure", Mat. Sci. Res. Int., 4(3), 223-226(1998)
  • J. Takimoto, "Studies on the Mechanism of Electrorheological Effects", J. Soc. Rheol. Jpn. 26(4), 207-213 (1998)
  • H. Kimura, K. Aikawa, Y. Masubuchi, J. Takimoto, K. Koyama and K. Minagawa, "Phase structure change and ER effect in liquid crystalline polymer/dimethylsiloxane blends", Rheol. Acta., 37, 54-60(1998)
  • H. Kimura, K. Aikawa, Y. Masubuchi, J. Takimoto, K. Koyama and T. Uemura, "Electrically induced phase inversion in urethane-modified polypropylene glycol/dimethylsiloxane blend", J. Chem. Phys., 107(15), 5945-5947(1998)
  • H. Kimura, K. Aikawa, Y. Masubuchi, J. Takimoto, K. Koyama and T. Uemura, "'Positive' and 'negative' electro-rheological effect of liquid blends", J. Non-Newtonian Fluid Mech., 76, 199-211(1998)
  • S. Higuchi, A. Suzuki, M. Kubota, Y. Masubuchi, J. Takimoto and K. Koyama, "Effects of the Pressure and Finishing Agents on the Water Absorption of Cotton Fabric", Sen'i Gakkaishi, 54(3), 152-158(1998)
  • S. Nagata, Y. Kawakita and K. Koyama, "Relationship between Fiber Orientation and Twist of Circuit Board with Aramid Fibers", Sen'i Gakkaishi, 54(8), 421-428(1998)
  • W. G. Yao, K. Takahashi and K. Koyama, "The effect of a New Type of Pin Mixing Section on the Performance of a Single-Screw Extruder", Polym. Eng.& Sci., 38(10), 1623-1632 (1998)
  • W. G. Yao, K. Takahashi and K. Koyama, "Theoretical Tool for Optimum Design of Mixer, and Visualization and Quantification of Mixing Performance", J. Chem. Eng. Jpn , 31(2), 220-227 (1998)
  • S. Tanifuji, M. Fujiwara, K. Miyasaka, M. Yamazaki, J. Takimoto and K. Koyama, "Numerical Simulation of Multi-Layer Coextrusion Molding Process", Seikei-Kakou, 10(10), 815-823(1998)

1997

  • T. Takahashi, W. Wu, H. Toda, J. Takimoto, T. Akatsuka and K. Koyama,"Elongational viscosity of ABS polymer melts with soft or hard butadiene particles", J. Non-Newtonian Fluid Mech., 68 , 259-269 (1997)
  • S. Higuchi, A. Suzuki and K. Koyama, "Dependence of Compressive Pressure on Water Absorption for Cotton Fabric Treated with Household Softener and Starch", Jpn. J. Clo. Res. , 41(1), 11-21 (1997)
  • K. Tanaka, S. Yamamoto, R. Akiyama and K. Koyama, "Strain Depandence of Dynamic Viscoelastic Properties and Yeild Behavior for Electro-rheological Suspension with Cation Exchange Resin Particles", J. Soc. Rheol. Jpn., 25(1), 31-35 (1997)
  • A. Minegishi, Y. Naka, T. Takahashi, Y. Masubuchi, J. Takimoto and K. Koyama, "The effect of ultrahigh molecular weight polymers on the nonlinear responce in uniaxal elongational viscosity", J. Soc. Rheol. Jpn., 25(4), 215-216 (1997)
  • R. Oinuma, I. Narisawa and K. Koyama, "Mechanism of End Breakage due to Knot in Knitting Zone of 1x1 Rib", J. Soc. Fiber & Mech., Jpn., 49(12), 53-63(1997)
  • Y. Murata, S. Kimura, S. Takei, K. Minagawa, J. Takimoto and K. Koyama, "Generation of an enhanced acoustic streaming in a bounded space", J. Acoust. Soc. Am., 102(5), 2536-2538(1997)
  • W. G. Yao, K. Takahashi and K. Koyama, "Experimental Study on Distributive Mixing Characteristics of a New Type of Pin Mixing Section", Polym. Eng. & Sci., 37(3), 615-622(1997)
  • W. G. Yao, K. Takahashi, K. Koyama and G. C. Dai, "Two-Dementional Dynamic Analysis of Distributive Mixing in Pin Mixing Section of Screw Extruder", J. Soc.Chem. Eng.Jpn., 30(4), 748-751(1997)
  • W. G. Yao, K. Takahashi, Y. Abe, K. Koyama and Y. Yamada, "A Quantitative Evaluation of Distributive Mixing Performance in Pin Mixing Elements with Different Configrations", Rep. Jpn. Steel Works, Ltd., 53, 1-7(1997)
  • S. Nagata and K. Koyama, "Measurement of the Crystallinity for PET Films by Complex Dielectric Constant Method", Seikei-Kakou, 9(11), 897-903(1997)

1996

  • T. Murata, J. Takimoto and K. Koyama, "Melt Property and Extrusion Foaming Processability of Polypropylene Blended with Polytetrafluoroethylene", J. Soc. Mat. Sci., Jpn., 45(12), 1300-1305(1996)
  • W. G. Yao, K. Takahashi, K. Koyama and G. C. Dai, "Design of a new type of pin mixing section for a screw extruder based on analysis of flow and distributive mixing performance", Chem. Eng. & Sci., 52(1), 13-21(1996)
  • H. Ito, K. Minagawa, J. Takimoto, K. Tada and K. Koyama, "Effect of Pressure and Shear Stress on Crystallization Behaviors in Injection Molding", Int. Polym. Processing, 11(4), 363-368(1996)
  • H. Ito, M. Takahara, J. Takimoto and K. Koyama, "Determination of Crystallization Kinetics Parameters under High Pressure Using PvT Data", J. Soc. Mat. Sci., Jpn., 45(12), 1296-1299(1996)
  • M. Kobayashi, T. Takahashi, J. Takimoto and K. Koyama, "Influence of glass beads pm the elongational viscosity of polyethylene with anomalous strain rate dependence of the strain-hardening", Polymer, 37(16), 3745-3747(1996)
  • N. Kuramoto, Y. Takahashi, K. Nagai and K. Koyama, "Electrorheological properties of poly(o-anisidine)-coated silica suspensions", Reactive & Functional Polymers, 30, 367-373(1996)
  • J. Takimoto, K. Minagawa and K. Koyama, "Numerical Study of the Response Time of ER Suspensions", Int. J. Modern Phys. B, 10(23&24), 3037-3044(1996)
  • K. Koyama, "Rheological Synergistic Effects of Electric and Magnetic Fields in Iron Perticle Suspension", Int. J. Modern Phys. B, 10(23&24), 3067-3072(1996)
  • K. Minagawa, H. Kimura, J. Takimoto and K. Koyama, "Electrorheological Normal Stress measurements of Polymer Solutions and Suspensions", Int. J. Modern Phys. B, 10(23&24), 3237-3242(1996)
  • F. Yoshii, K. Makuuchi, S. Kikukawa, T. Tanaka, J. Saitou and K. Koyama, "High-Melt-Strength Polypropylene with Electron Beam Irradiation in the Presence of Polyfunctional Monomers", J. Appl. Polym. Sci., 60, 617-623(1996)
  • H. Kikuchi and K. Koyama, "Generalized Warpage Parameter", Polym. Eng. & Sci., 36(10), 1309-1316(1996)
  • H. Kikuchi and K. Koyama, "The Relation Between Thichness and Warpage in a DIsk Injection Molded From Fiber Reinforced PA66", Polym. Eng. & Sci., 36(10), 1317-1325(1996)
  • H. Kikuchi and K. Koyama, "Warpage, Anisotropy, and Part Thickness", Polym. Eng. & Sci., 36(10), 1326-1335(1996)
  • H. Itou, S. Mutou, J. Takimoto, A. Miyamoto, K. Tada and K. Koyama, "Simulation of Injection Molding Process with Crystallinity Dependence of Material Properties", Seikei-Kakou, 8(10), 682-687(1996)
  • J. Takimoto, H. Itou, S. Mutou, K. Tada and K. Koyama, "Simulation of Crystallization during Filling Stage in Injection Molding", Seikei-Kakou, 8(10), 675-681(1996)
  • S. Tanifuji, J. Takimoto and K. Koyama, "Numerical Analysis of Parison Formation Process in Extrusion Blow Molding", Seikei-Kakou, 8(9), 590-598(1996)
  • T. Kikuchi, T. Hasegawa, O. Watanabe and K. Koyama, "Pressure Dependence of Thermal Conductivity of Polyplopylene", Seikei-Kakou, 8(2), 92-96(1996)
  • H. Itou, J. Takimoto, K. Tada and K. Koyama, "Simulation of Crystallization in Injection Molding Process with a Large Mold", Koubunshi Ronbunshu, 53(6), 333-338(1996)

1995

  • M. Kobayashi, T. Takahashi, J. Takimoto and K. Koyama, "Flow-induced whisker orientation and viscosity for molten composite systems in a uniaxial elongational flow field", Polymer, 36(20), 3927-3933(1995)
  • T. Takahashi, J. Watanabe, K. Minagawa, J. Takimoto, K. Iwakura and K. Koyama, "Effect of ionic interaction on linear and nonlinear viscoelastic properties of ethylene based ionomer melts", Rheol. Acta, 34(2), 163-171(1995)
  • T. Takahashi, H. Toda, K. Minagawa, J. Takimoto, K. Iwakura and K. Koyama, "Nonlinear Stress Properties of Poly(styrene-block-butadiene-block-styrene) Melt under Elongational and Shear Deformation", J. Appl. Polym. Sci., 56, 411-417(1995)
  • M. Kobayashi, T. Takahashi, K. Minagawa, J. Takimoto and K. Koyama, "Application of the Time-Temperature Superposition Principle to the Shear and Uniaxial Elongational Flow for Polymer-Inorganic Particle Composite Melt", Koubunshi Ronbunshu, 52(8), 478-483(1995)
  • M. Kobayashi, J. Takimoto and K. Koyama, "Orientation Distribution of Whiskers under Uniaxial Elongational Flow", Seikei-Kakou, 7(9), 590-594(1995)
  • K. Minagawa, H. Kimura and K. Koyama, "ER Effect on the Normal Stress and Induced Network Structure of Liquid Crystal Polymer", Prog. in Electrorheology, 263-271(1995)
  • K. Tanaka, K. Koyama, and T. Watanabe, "Strain Depandence of Dynamic Viscoelastic Properties of ER Fluids with Iron(III) Hydroxide Coated Silica Particles", Progress in Electrorheology, 273-279(1995)
  • K. Koyama, K. Minagawa, T. Watanabe, Y. Kumakura and J. Takimoto, "Electro-magneto-rheological effects in parallel-field and crossed-field systems", J. Non-Newtonian Fluid Mech., 58 , 195-206 (1995)
  • T. Uemura, K. Minagawa, J. Takimoto, K. Iwakura and K. Koyama, "Opposite Electrorheological Effects between Urethane-based Polymers having Differenet Terminal Groups", J. Chem. Soc. Faraday Trans., 91(6), 1051-1052(1995)
  • N. Kuramoto, M. Yamazaki, K. Nagai, K. Koyama, K. Tanaka, K. Yatsuzuka and Y. Higashiyama, "The electrorheological property of a polyaniline-coated copolystyrene particle suspension", Rheol. Acta, 34(3), 298-302(1995)
  • K. Tanaka, A. Sahashi, R. Akiyama and K. Koyama, "Scaling behavior of response times of electrorheological suspensions with cation exchange resin particles", Physical Review E, 52(4), 3325-3328(1995)
  • K. Takahashi, T. Suzuki and K. Koyama, "Ultrasonic Measurement of Local Concentration of Cake on Microfiltration Membrane Using Polymer Transducer", J. Chem. Eng. Jpn., 28(5), 531-534(1995)
  • Y. Murata, S. Kimura, K. Minagawa, J. Takimoto, K. Iwakura and K. Koyama, "Flow of Polymer Melt in a Disk-shaped Mold under Ultrasound Radiation", Seikei-Kakou, 7(9), 563-567(1995)
  • H. Ito, Y. Tsutsumi, K. Minagawa, J. Takimoto, K. Iwakura and K. Koyama, "Simulations of polymer crystallization under high pressure", Colloid Polym. Sci., 273(8), 811-815(1995)
  • H. Kikuchi and K. Koyama, "Warpage and Morphology of a Part Injection Molded from Polymer Alloy", Seikei-Kakou, 7(7), 461-467(1995)
  • H. Itou, T. Kawamura, J. Takimoto and K. Koyama, "Elongational Flow and Crystallization Behavior in Supercooled Melt Polymer", Seikei-Kakou, 7(9), 576-581(1995)
  • H. Itou, J. Takimoto and K. Koyama, "Breaking of Various Polymer Materials during Melt Spinning", Sen'i Gakkaishi 51(9), 403-407 (1995)
  • R. Oinuma, I. Narisawa and K. Koyama, "Mechanism of End Breakage due to Knots in Plain-Weft Knitting Zone", J. Soc. Fiber & Mech., Jpn., 48(7), 43-52(1995)
  • H. Ootaki, Y. Murata, K. Minagawa and K. Koyama, "Basic study of particle characterization using the ultrasonic finite amplitude method", J. Mater. Sci. Lett., 14, 182-184(1995)
  • H. Hiroyuki and K. Koyama, "Generalization of Warpage for Anisotropic and Isotropic Parts", Seikei-Kakou, 7(1), 63-68(1995)

1994

  • T. Takahashi, Y. Takagi, K. Minagawa, K. Iwakura and K. Koyama, "Anomalous temperature dependence in the elongational viscosity of ethylene-based graft copolymer melts", Polymer, 35(20), 4472-4473(1994)
  • T. Takahashi, J. Watanabe, K. Minagawa and K. Koyama, "Effect of ionic interaction on elongational viscosity of ethylene-based ionomer melts", Polymer, 35(26), 5722-5728(1994)
  • H. Kimura, K. Minagawa and K. Koyama, "Induced Network Structure in Liquid Crystalline Polymer Evidenced from Electrorheological Normal Stress Measurements", Polym. J., 26(12), 1402-1404(1994)
  • K. Minagawa, T. Watanabe, K. Koyama and M. Sasaki, "Significant Synergistic Effect of Superimposed Electric and Magnetic Fields on the Rheology of Iron Suspension", Langmuir, 10(11), 3926-3928(1994)
  • K. Koyama, K. Minagawa, T. Yoshida, N. Kuramoto and K. Tanaka, "Yield Process of Electrorheological Fluid with Polyaniline Particle", Mod. Phys. Lett. B., 8(25), 1563-1575(1994)
  • T. Uemura, K. Minagawa and K. Koyama, "Novel Electro-responsive Property of Polyether-polycarbamate Solution", Chem. Lett., 1995-1996(1994)
  • H. Hiroyuki and K. Koyama, "Material Anisotropy and Warpage of Nylon 66 Composites", Polym. Eng. & Sci., 34(18), 1411-1418(1994)
  • S. Imamura, T. Kaneta, K. Kushima, A. Ohta, T. Herai and K. Koyama, "Direct Observation of Blow Molding Process from Inside the Parison", Seikei-Kakou, 6(11), 797-802(1994)
  • K. Tanaka, K. Koyama and J. Watanabe, "Uniaxial Elongational Flow of the Melt of Ethylene-Propylene Copolymer/Styrene-Maleic Acid Copolymer Blends", Sen'i Gakkaishi, 50(1), 41-46(1994)
  • K. Minagawa, T. Watanabe, M. Nakamura and K. Koyama, "A novel apparatus for rheological measurements of electro-magneto-rheological fluids", J. Non-Newtonian Fluid Mech., 52, 59-67(1994)
  • N. Kuramoto, M. Yamazaki, K. Nagai and K. Koyama, "Electrorheological property of a polyaniline-coated silica suspension", Thin Solid Films, 239, 169-171(1994)
  • K. Watanabe, T. Hata, K. Koyama and H. Kurosawa, "Wave focusing by a sherical concave transducer", Wave Motion, 20, 1-12(1994)
  • Y. Murata, K. Minagawa, Y. Tamura and K. Koyama, "Design of an Acoustical Imaging Operator Based on the Similar Value Decomposition Method", Jpn. J. Appl. Phys., 33, 3176-3180(1994)
  • H. Itou, Y. Tsutsumi, K. Minagawa, K.Tada and K. Koyama, "A Simulation of Crystallization in Injection Molding", Seikei-Kakou, 6(4), 265-271(1994)

1993

  • Y. Murata, K. Koyama and Y. Tamura, "2-ch M-sequence encoding Array Transducer System for Acoustical Imaging", Acous. Img., 20, 379-386(1993)
  • H. Kikuchi and K. Koyama, "Structual Failure of a Plastic Part Injection-molded with a Metal Reinforcement", Seikei-Kakou, 5(12), 881-889(1993)
  • K. Tanaka, K. Koyama, and S. Kurita, "Melt viscosities and dynamic moduli for polyethylenes subjected to constant strain rate elongations with superimposed sinusoidal oscillations", J. Rheol., 37(4), 609-620(1993)
  • H. Shikuma and K. Koyama, "Rheological Properties and Characterization of Isotropic Pitches as Carbon Fiber Precursor", TANSO, 157, 53-58(1993)
  • H. Shikuma and K. Koyama, "Rheological Properties and Attenuation Process in Melt Spinning of Liquid Crystalline Pitch", J. Soc. Rheol. Jpn., 21(3), 170-174 (1993)
  • M. Saito, Y. Tsukahara and K. Koyama, "P(VDE-TrFE) Transducer with a Concave Annular Structure for the Measurement of Layer Thickness", IEEE Trans. Ultrason. Ferroelectr. Freq. Contr., 40(1), 34-40 (1993)
  • K. Ohira, Y. Tsukahara and K. Koyama, "Observation of Leaky Surface-Skimming Compressional Wave Excited on Polymers Using Ultrasonic Micro-spectrometer", Jpn. J. Appl. Phys., 32(5B), 2528-2532 (1993)
  • H. Kikuchi and K. Koyama, "Anisotropy of Linear Thermal Expansion Coefficient of a Disk Injection Molded from Reinforced PA66", Seikei-Kakou, 5(2), 129-133(1993)
  • H. Kikuchi and K. Koyama, "Part Buckling in Injection Molding (I)", Seikei-Kakou, 5(11), 806-812(1993)

1992

  • K. Yonetake, T. Sagiya, K. Koyama and T. Masuko, "Phase Transition of Thermotropic Liquid Crystalline Copolyester Film", Macromolecules, 25(2), 1009-1010(1992)
  • K. Tanaka, K. Koyama, T. Nagahara, T. Ota and M. Shinohara, "Elongational Flow of the Melt of Low Density Polyethylene/High Density Polyethylene Blends", Sen'i Gakkaishi, 48(10), 521-526(1992)
  • M. Ueda and K. Koyama, "Elongational Flow Behavior of High Density Polyethylenes", Mitsubishi Kasei R&D Review, 6(2), 78-82(1992)
  • K. Tanaka and K. Koyama, "Melt Spinning and Mechanical Properties of Polyimide", Sen'i Gakkaishi, 48(3), 105-111(1992)
  • M. Saito, Y. Tsukahara and K. Koyama, "P(VDF-TrFE) Transducer with a Concave Annular Structure for the Layer Thickness Measurement", Acoustic Imaging, 19, 289-294(1992)
  • K. Tanaka, A. Fujii and K. Koyama, "Electro-rheology of Poly(vinylidene fluoride-trifluoroethylene) Solution", Polym. J., 24(9), 995-998(1992)
  • K. Tanaka, K. Koyama and T. Yoshida, "Transient Stress Response of ER Suspension", J. Soc. Rheol. Jpn, 20(2), 73-77(1992)