Faculty Profiles - MASUBUCHI Yuichi

Papers - MASUBUCHI Yuichi

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Quantitative comparison of primitive chain network simulations with literature data of linear viscoelasticity for polymer melts Reviewed International coauthorship International journal

Masubuchi Yuichi, Lanniruberto Giovanni, Greco Francesco, Marrucci Giuseppe

JOURNAL OF NON-NEWTONIAN FLUID MECHANICS Vol. 149 ( 1-3 ) page： 87-92 2008.2

Primitive chain network simulations of conformational relaxation for individual molecules in the entangled state Reviewed International coauthorship International journal

Masubuchi Yuichi, Watanabe Hiroshi, Ianniruberto Giovanni, Greco Francesco, Marrucci Giuseppe

NIHON REOROJI GAKKAISHI Vol. 36 ( 4 ) page： 181-185 2008

A molecular dynamics simulation study on polymer networks of end-linked flexible or rigid chains Reviewed International journal

Hosono Nobuhiko, Masubuchi Yuichi, Furukawa Hidemitsu, Watanabe Toshiyuki

JOURNAL OF CHEMICAL PHYSICS Vol. 127 ( 16 ) 2007.10

Spontaneous self-assembly process for threadlike micelles Reviewed International journal

Arai Noriyoshi, Yasuoka Kenji, Masubuchi Yuichi

JOURNAL OF CHEMICAL PHYSICS Vol. 126 ( 24 ) 2007.6

Entanglement among Polymers Invited Reviewed

MASUBUCHI Yuichi

Kobunshi Vol. 56 ( 6 ) page： 412 - 415 2007.6

Authorship：Lead author,　Last author,　Corresponding author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The Society of Polymer Science, Japan

Entanglement among polymers is an established concept which stands for topological constraint on polymer dynamics in concentrated solutions and melts. Theories for polymer dynamics based on the entanglement idea such as reptation models and sliplink models have achieved remarkable success to reproduce experiments such as viscoelasticity. In the theories entanglement is assumed to be a dispersed structure carrying elasticity with relaxation and to corresponds a certain molecular weight much larger than Kuhn segment and much less than contour length. Though such a characteristic length has been confirmed experimentally, microscopic description of the entanglement among polymers has not been clarified yet. Recently methods to extract topological constraint in polymer melts by molecular simulations have been proposed by several groups independently and the topological network in the polymers has became observable. Comparison on statistics between the networks obtained by the molecular simulations and by the sliplink theories and simulations reveals the fact that structures of the networks originated from the theoretical assumptions of the sliplink and from the microscopic topological constraint among polymers are quite close. The similarity of the entanglement networks in different class of descriptions on polymers is promising link for multi-scale considerations though the nature of the network structures and the similarity are still open problems.

DOI： 10.1295/kobunshi.56.412

Other Link： https://jlc.jst.go.jp/DN/JALC/00295142546?from=CiNii

Photochemical control of network structure in gels and photo-induced changes in their viscoelastic properties Reviewed International journal

Hosono Nobuhiko, Furukawa Hidemitsu, Masubuchi Yuichi, Watanabe Toshiyuki, Horie Kazuyuki

COLLOIDS AND SURFACES B-BIOINTERFACES Vol. 56 ( 1-2 ) page： 285-289 2007.4

Rheological properties of poly(methyl methacrylate)/rigid ladderlike polyphenylsilsesquioxane blends Reviewed International coauthorship International journal

Li Guizhi, Matsuda T., Nishioka A., Liang Kaiwen, Masubuchi Y., Koyama K., Pittman Charles U. Jr.

JOURNAL OF APPLIED POLYMER SCIENCE Vol. 104 ( 1 ) page： 352-359 2007.4

Primitive chain network simulations of damping functions for shear, uniaxial, biaxial and planar deformations Reviewed International coauthorship International journal

Furuichi Kenji, Nonomura Chisato, Masubuchi Yuichi, Ianniruberto Giovanni, Greco Francesco, Marrucci Giuseppe

NIHON REOROJI GAKKAISHI Vol. 35 ( 2 ) page： 73-77 2007

Primitive chain network simulations for branched polymers Reviewed International coauthorship International journal

Masubuchi Yuichi, Ianniruberto Giovanni, Greco Francesco, Marrucci Giuseppe

RHEOLOGICA ACTA Vol. 46 ( 2 ) page： 297-303 2006.12

Primitive chain network model for block copolymers Invited Reviewed International coauthorship International journal

Masubuchi Yuichi, Ianniruberto Giovanni, Greco Francesco, Marrucci Giuseppe

JOURNAL OF NON-CRYSTALLINE SOLIDS Vol. 352 ( 42-49 ) page： 5001-5007 2006.11

Biased hooking for primitive chain network simulations of block copolymers Invited Reviewed International coauthorship International journal

Masubuchi Y, Ianniruberto G, Marrucci G, Greco F

KOREA-AUSTRALIA RHEOLOGY JOURNAL Vol. 18 ( 2 ) page： 99-102 2006.6

Pre-averaged sampling on the entanglement kinetics for polymer dynamics Reviewed International journal

Horio Kazushi, Masubuchi Yuichi

MACROMOLECULAR SYMPOSIA Vol. 242 page： 140-145 2006

The influence of heat treatment on uniaxial elongational flow behavior of PS/SBS blends Reviewed International journal

Nishioka Akihiro, Minegishi Akinari, Takahashi Tatsuhiro, Koda Tomonori, Masubuchi Yuichi, Takimoto Jun-ichi, Koyama Kiyohito

NIHON REOROJI GAKKAISHI Vol. 34 ( 4 ) page： 189-197 2006

Highly entangled polymer primitive chain network simulations based on dynamic tube dilation (vol 121, pg 12650, 2004) Reviewed International coauthorship International journal

Yaoita T, Isaki T, Masubuchi Y, Watanabe H, Ianniruberto G, Greco F, Marrucci G

JOURNAL OF CHEMICAL PHYSICS Vol. 122 ( 20 ) page： . 2005.5

Rheological properties of polystyrene blends with rigid ladderlike polyphenylsilsesquioxane Reviewed International coauthorship International journal

Li GZ, Matsuda T, Nishioka A, Miyata K, Masubuchi Y, Koyama K, Pittman CU

JOURNAL OF APPLIED POLYMER SCIENCE Vol. 96 ( 3 ) page： 706-713 2005.5

A novel elongational rheology control of PS by SBS and dicumyl peroxide Reviewed International journal

Minegishi A, Nishioka A, Takahashi T, Masubuchi Y, Takimoto J, Koyama K

NIHON REOROJI GAKKAISHI Vol. 33 ( 3 ) page： 141-144 2005

Highly entangled polymer primitive chain network simulations based on dynamic tube dilation Reviewed International coauthorship International journal

Yaoita T, Isaki T, Masubuchi Y, Watanabe H, Ianniruberto G, Greco F, Marrucci G

JOURNAL OF CHEMICAL PHYSICS Vol. 121 ( 24 ) page： 12650-12654 2004.12

Adaptive Shape Reconfiguration of a Decentralized Motile System Exploiting Molecular Dynamics and Stokesian Dynamics Methods Reviewed International journal

Shimizu M., Ishiguro A., Takahashi M., Kawakatsu T., Masubuchi Y., Doi M.

Journal of Robotics and Mechatronics Vol. 16 ( 3 ) page： 271 - 277 2004.6

Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Robotics and Mechatronics

This paper discusses a fully decentralized algorithm able to create a coherent swarm of autonomous mobile robots from the viewpoint of computational physics. To this end, we focus on Molecular Dynamics and Stokesian Dynamics, both of which are widely used to investigate many-body systems. To verify the feasibility of our approach, this idea has been implemented to a swarm of 2-D radio-connected autonomous mobile robots as a practical example. Simulation results indicate that the proposed algorithm can control the shape of the swarm appropriately based on the current situation without losing the coherence of the swarm nor exchanging global information among modules. Furthermore, we found that local interaction used to exploit Stokesian Dynamics plays an essential role to maintain the coherence of the swarm particularly in an unstructured environment.

DOI： 10.20965/jrm.2004.p0271

Scopus

Molecular simulations of the long-time behaviour of entangled polymeric liquids by the primitive chain network model Invited Reviewed International coauthorship International journal

Masubuchi Y, Ianniruberto G, Greco F, Marrucci G

MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING Vol. 12 ( 3 ) page： S91-S100 2004.5

Primitive chain network simulations on dielectric relaxation of linear polymers under shear flow Reviewed International coauthorship International journal

Masubuchi Y, Watanabe H, Ianniruberto G, Greco F, Marrucci G

NIHON REOROJI GAKKAISHI Vol. 32 ( 4 ) page： 197-202 2004

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Papers - MASUBUCHI Yuichi