Faculty Information, Institute for Chemical Research, Kyoto University   [ English | Japanese ]


MATSUMIYA, Yumi

Division of Multidisciplinary Chemistry - Molecular Rheology -
Associate Professor
Doctor of Engineering, Kyoto University
URL:http://rheology.minority.jp/
E-mail: matsmiya@scl.kyoto-u.ac.jp
Tel: 0774-38-3136
Fax: 0774-38-3139 		no picture
Academic career
    Apr 2016- Associate Professor, Institute for Chemical Research, Kyoto University
    Dec 2003-Mar 2016 Assistant Professor, Institute for Chemical Research, Kyoto University
    Apr 2003-Nov 2003 Postdoctoral Research Fellow, University of California at Berkeley, Dept of Chemical Engineering
    Apr 2002-Mar 2003 Postdoctoral Research Fellow, Japan Society for the Promotion of Science
    Mar 2002 Doctor of Engineering, Kyoto University
Research field
    Physical chemistry of polymers Rheology and dielectric properties of polymers
Current research
  1. Rheology and dielectric properties of entangled polymers
  2. Uniaxial extensional viscosity and dynamics of polymer melt/solution
  3. Dynamics of associative polymers
  4. Rheology and structure of block copolymers
  5. Rheo-dielectric behavior of polyether/salt system
Selected publications
  1. Hiroshi Watanabe, Yumi Matsumiya, and Youngdon Kwon, Dynamics of Rouse Chains undergoing Head-to-Head Association and Dissociation: Difference between Dielectric and Viscoelastic Relaxation J. Rheol. 61(6), 1151-1170 (2017)
  2. Hiroshi Watanabe and Yumi Matsumiya, Revisit the Elongational Viscosity of FENE Dumbbell Model J. Soc. Rheol. Jpn 45(4), 185-190 (2017)
  3. Yumi Matsumiya, Hiroshi Watanabe, Kentaro Abe, Yasuki Matsumura, Fumito Tani, Yasuo Kase, Shojiro Kikkawa, Yasushi Suzuki, and Nanase Ishii, Rheology of Nano-Cellulose Fiber Suspension J. Soc. Rheol. Jpn 45(1), 3-11 (2017)
  4. Matsumiya, Y.; Watanabe, H.; Urakawa, O.; Inoue, T., Experimental Test for Viscoelastic Relaxation of Polyisoprene Undergoing Monofunctional Head-to-Head Association and Dissociation Macromolecules 49(18), 7088-7095 (2016)
  5. Matsumiya, Y.; Watanabe, H., Nonlinear Stress Relaxation of Miscible Polyisoprene/Poly(p-tert-butylstyrene) Blends in Pseudomonodisperse State Macromolecules 49(12), 4544-4556 (2016)
  6. Youngdon Kwon, Yumi Matsumiya and Hiroshi Watanabe, Viscoelastic and Orientational Relaxation of Linear and Ring Rouse Chains Undergoing Reversible End-Association and Dissociation Macromolecules 49(9), 3593-3607 (2016)
  7. Rakkapao, N.;Watanabe, H.; Matsumiya, Y.; Masubuchi, Y., Dielectric Relaxation and Ionic Conductivity of a Chitosan/Poly(ethylene oxide) Blend Doped with Potassium and Calcium Cations J. Soc. Rheol. Japan 44(2), 89-97 (2016)
  8. Matsumiya, Y.;Rakkapao, N.; Watanabe, H., Entanglement Length in Miscible Blends of cis-Polyisoprene and Poly(p-tert-butylstyrene) Macromolecules 48 (21), 7889–7908 (2015)
  9. Watanabe, H.; Matsumiya, Y.; Inoue, T., Revisit the Stress-Optical Rule for Entangled Flexible Chains: Overshoot of Stress, Segmental Orientation, and Chain Stretch on Start-up of Flow J. Soc. Rheol. Jpn, 43(3-4), 105-112 (2015)
  10. Watanabe, H.; Matsumiya, Y.; Masubuchi, Y.; Urakawa, O.; Inoue, T., Viscoelastic Relaxation of Rouse Chains undergoing Head-to-Head Association and Dissociation: Motional Coupling through Chemical Equilibrium Macromolecules 48(9), 3014–3030 (2015)
  11. Matsumiya, Y.; Masubuchi, Y.; Inoue, T.; Urakawa, O.; Liu, C.-Y.; van Ruymbeke, E.; Watanabe, H., Dielectric and Viscoelastic Behavior of Star-Branched Polyisoprene: Two Coarse-Grained Length Scales in Dynamic Tube Dilation Macromolecules 47, 7637–7652 (2014)
  12. van Ruymbeke, E.; Shchetnikava, V.; Matsumiya, Y.; Watanabe, H., Dynamic Dilution Effect in Binary Blends of Linear Polymers with Well-Separated Molecular Weights Macromolecules 47, 7653–7665 (2014)
  13. Lee, A.; Watanabe, H.; Matsumiya, Y.; Choi, K.-H.; Ahn, K. H.; Lee, S. J., Dielectric Characterization of Pigment Inks for Electrohydrodynamic Jet Printing Ind. Eng. Chem. Res. 53, 17445–17453 (2014)
  14. Masubuchi, Y.; Matsumiya, Y.; Watanabe, H., Test of Orientation/Stretch-Induced Reduction of Friction via Primitive Chain Network Simulations for Polystyrene, Polyisoprene, and Poly(n-butyl acrylate) Macromolecules 47, 6768-6775 (2014)
  15. Matsumiya, Y.; Watanabe, H., Dielectric and Viscoelastic Behavior of low-M Linear Polyisoprene Blended in Long Matrix J. Soc. Rheol. Jpn (Nihon Reoroji Gakkaishi) 42(4), 235-244 (2014)
  16. Masubuchi, Y.; Matsumiya, Y.; Watanabe, H.; Marrucci, G.; Ianniruberto, G., Primitive Chain Network Simulations for Pom-Pom Polymers in Uniaxial Elongational Flows Macromolecules 47, 3511-3519 (2014)
  17. Horio, K.; Uneyama, T.; Matsumiya, Y.; Masubuchi, Y.; Watanabe, H., Rheo-Dielectric Responses of Entangled cis-Polyisoprene under Uniform Steady Shear and LAOS Macromolecules 47, 246-255 (2014)
  18. Watanabe, H.; Matsumiya, Y.; van Ruymbeke, E., Component Relaxation Times in Entangled Binary Blends of Linear Chains: Reptation/CLF along Partially or Fully Dilated Tube Macromolecules 46, 9296–9312 (2013)
  19. Huang, Q.; Alvarez, N. J.; Matsumiya, Y.; Rasmussen, H. K.; Watanabe, H.; Hassager, O., Extensional Rheology of Entangled Polystyrene Solutions Suggests Importance of Nematic Interactions ACS Macro Letters 2, 741-744 (2013)
  20. Matsumiya, Y.; Kumazawa, K.; Nagao, M.; Urakawa, O.; Watanabe, H., Dielectric Relaxation of Monodisperse Linear Polyisoprene: Contribution of Constraint Release Macromolecules 46, 6067-6080 (2013)
  21. Yumi Matsumiya and Hiroshi Watanabe, Atsushi Takano, Yoshiaki Takahashi, Uniaxial Extensional Behavior of (SIS)p-Type Multiblock Copolymer Systems: Structural Origin of High Extensibility Macromolecules 46, 2681-2695 (2013)
  22. Y. Masubuchi, T. Yaoita, Y. Matsumiya, H. Watanabe, G. Ianniruberto and G. Marrucci, Stretch/orientation induced acceleration in stress relaxation in coarse-grained molecular dynamics simulations Nihon Reoroji Gakkaishi (J. Soc. Rheol. Jpn.) 41, 33-35 (2013)
  23. Matsumiya, Y.; Chen,Q.; Uno, A.; Watanabe, H.; Takano, A.; Matsuoka, K.; Matsushita, Y., Dielectric behavior of Styrene－Isoprene (SI) Diblock and SIIS Triblock Copolymers: Global Dynamics of I Blocks in Spherical and Cylindrical Domains Embedded in Glassy S Matrix Macromolecules 45, 7050 - 7060 (2012)
  24. Quan Chen, Yumi Matsumiya, Tatsuya Iwamoto, Koji Nishida, Toshiji Kanaya, and Hiroshi Watanabe , Atsushi Takano, Kohei Matsuoka, and Yushu Matsushita, Dielectric Behavior of Guest cis-Polyisoprene Confined in Spherical Microdomain of Triblock Copolymer. Macromolecules 45, 2809 - 2819 (2012)
  25. Quan Chen, Yumi Matsumiya and Hiroshi Watanabe, Dynamics in miscible blends of polyisoprene and poly(p-tert-butyl styrene): thermo–rheological behavior of components Polymer Journal 44, 102–114 (2012)
  26. Yuichi Masubuchi, Yumi Matsumiya, Hiroshi Watanabe, Seiji Shiromoto,Masaaki Tsutsubuchi and Yoshiaki Togawa, Primitive chain network simulations for comb-branched polymer under step shear deformations Rheo. Acta 51, 193–200 (2012)
  27. Watanabe H, Matsumiya Y, Chen Q, and Yu W , Rheological Characterization of Polymeric Liquids Polymer Science: A Comprehensive Reference Vol 2, 683–722 (2012)
  28. H. Watanabe, Y. Matsumiya, K. Horio, Y. Masubuchi, and T. Uneyama, Rheo-Dielectric Behavior of Soft Matters Non-Equilibrium Soft Matter Physics vol.4, 37-87 (2012)
  29. Yumi Matsumiya, Akiko Uno, and Hiroshi Watanabe , Tadashi Inoue and Osamu Urakawa, Dielectric and Viscoelastic Investigation of Segmental Dynamics of Polystyrene above Glass Transition Temperature: Cooperative Sequence Length and Relaxation Mode Distribution Macromolecules 44(11), 4355–4365 (2011)
  30. Yuichi Masubuchi, Takatoshi Yaoita, Yumi Matsumiya and Hiroshi Watanabe, Primitive chain network simulations for asymmetric star polymers J. Chem. Phys. 134, [194905]1-7 (2011)
  31. Quan Chen, Yumi Matsumiya, Yuichi Masubuchi, Hiroshi Watanabe, and Tadashi Inoue, Dynamics of Polyisoprene-Poly(p-tert-butylstyrene) Diblock Copolymer in Disordered State Macromolecules 44(6), 1585–1602 (2011)
  32. Hiroshi Watanabe, Quan Chen, Yohji Kawasaki, Yumi Matsumiya, Tadashi Inoue and Osamu Urakawa, ntanglement Dynamics in Miscible Polyisoprene/Poly(p-tert-butylstyrene) Blends Macromolecules 44(6), 1570–1584 (2011)
  33. Chen, Q.; Uno, A.; Matsumiya, Y.; Watanabe, H, Viscoelastic Mode Distribution of Moderately Entangled Linear Polymers J. Soc. Rheol. Japan 38(5), 187-193 (2010)
  34. Ayoung Lee, Yumi Matsumiya, Hiroshi Watanabe, Kyung Hyun Ahn, and Seung Jong Lee, Multiple Representation of Linear Dielectric Response J. Soc. Rheol. Jpn 38(3), 141-147 (2010)
  35. Akiko Uno, Yumi Matsumiya, Yuichi Masubuchi, and Hiroshi Watanabe, Rheological and Dielectric Behavior of Polyisoprene under Pressurized Carbon Dioxide J. Soc. Rheol. Jpn 38(3), 117-123 (2010)
  36. Y. Matsumiya, T. Inoue, T. Iwashige, and H. Watanabe, Dielectric Relaxation of Polymer/Carbon Dioxide Systems Macromolecules 42, 4712–4718 (2009)
  37. T. Uneyama, Y. Masubuchi, K. Horio, Y. Matsumiya, H. Watanabe, J. A. Pathak and C. M. Roland, A theoretical analysis of rheodielectric response of type-A polymer chains Journal of Polymer Science Part B: Polymer Physics 47(11), 1039-1057 (2009)
  38. Quan Chen, Yumi Matsumiya, Yuichi Masubuchi, Hiroshi Watanabe and Tadashi Inoue, Component Dynamics in Polyisoprene/Poly(4-tert-butylstyrene) Miscible Blends Macromolecules 41 (22), 8694-8711 (2008)
  39. H. Watanabe, Y. Matsumiya, E. van Ruymbeke, D. Vlassopoulos and N. Hadjichristidis, Viscoelastic and Dielectric Relaxation of a Cayley-Tree-Type Polyisoprene: Test of Molecular Picture of Dynamic Tube Dilation Macromolecules 41, 6110-6124 (2008)
  40. Eri MISHIMA, Yumi MATSUMIYA, Shigeru YAMAGO, and Hiroshi WATANABE, Kinetics of Living Anionic Polymerization of Polystyrenyl Lithium in Cyclohexane Polymer Journal 40, 749-762 (2008)
  41. J. Takada, H. Sasaki, Y. Matsushima, A. Kuriyama, Y. Matsumiya, H. Watanabe, K. H. Ahn, and W. Yu, Component Chain Dynamics in a Miscible Blend of Low-M Poly(p-t-butyl styrene) and Polyisoprene J. Soc. Rheol. Japan 36(1), 35-42 (2008)
  42. Hiroshi Watanabe, Yumi Matsumiya, Toshiaki Sawada, and Tatsuya Iwamoto, Rheological and Dielectric Behavior of Dipole-Inverted (SIS)p-Type Multiblock Copolymers: Estimates of Bridge/Loop Fractions for Respective I Blocks and Effect of Loops on High Extensibility of Bridges Macromolecules 40, 6885-6897 (2007)
  43. Hiroshi Watanabe, Yumi Matsumiya, Jun Takada, Hiroshi Sasaki, Yoshiaki Matsushima, Akira Kuriyama, Tadashi Inoue, Kyung Hyun Ahn, Wei Yu, and Ramanan Krishnamoorti, Viscoelastic and Dielectric Behavior of a Polyisoprene/ Poly(4-tert-butyl styrene) Miscible Blend Macromolecules 40, 5389-5399 (2007)
  44. Matsumiya, Y.; Inoue, T.; Watanabe, H.; Kihara, S.; Ohshima, M., Dielectric Behavior of cis-polyisoprene in Carbon Dioxide under High Pressure J. Soc. Rheol. Japan 35, 155-162 (2007).
  45. Matsumiya, Y.; Matsumoto, M.; Watanabe, H.; Kanaya, K.; Takahashi, Y., Nonlinear Rheology and Structural Changes of (BS)n Multiblock Copolymers under Shear Flow Macromolecules 40, 3724 - 3732 (2007).
  46. Y. Oishi, Y. Matsumiya, H. Watanabe, "Kinetics of Anionic Polymerization of Polubutadienyl Lithium in Benzene: An Osmotic Effect on the Propagation" Polymer J. 39(4), 304-317 (2007)
  47. Matsumiya Y, Inoue T, Oishi Y, Watanabe H, Orientational anisotropy of bead-spring star chains during creep process Journal of Polymer Science Part B-Polymer Physics 44, 3501-3517 (2006).
  48. Qiao, X. Y.; Sawada, T.; Matsumiya, Y.; Watanabe, H., Constraint release in moderately entangled monodisperse star polyisoprene systems Macromolecules 39, 7333-7341 (2006).
  49. Watanabe, H.; Inoue, T.; Matsumiya, Y., Transient conformational change of bead-spring ring chain during creep process Macromolecules 39, 5419-5426 (2006).
  50. Watanabe, H.; Sawada, T.; Matsumiya, Y., Constraint release in star/star blends and partial tube dilation in monodisperse star systems Macromolecules 39, 2553-2561 (2006).
  51. Katayama, H.; Ozawa, F.; Matsumiya, Y.; Watanabe, H., Thermal, structural, and viscoelastic characterization of cis-poly(phenylene vinylene) related to its photo-isomerization Polymer Journal 38, 184-189 (2006).
  52. H. Watanabe, Y. Matsumiya, and T. Inoue, Dielectric and Viscoelastic Study of Entanglement Dynamics: A Review of Recent Findings Macromolecular Symposia 228, 51-70 (2005).
  53. H. Watanabe, Y. Matsumiya, S. Ishida, T. Takigawa, T, Yamamoto, D. Vlassopoulos, and J. Roovers, "Nonlinear Rheology of Multiarm Star Chains" Macromolecules 38(17), 7404-7415 (2005).
  54. H. Watanabe and Y. Mastumiya, Rheology of Diblock Copolymer Micellar Dispersions Having Soft Cores, Macromolecules 38(9), 3808-3819 (2005).
  55. Matsumiya Y, Watanabe H, Nonlinear relaxation behavior of diblock copolymer micellar dispersions: Effects of corona-matrix and corona-corona entanglements Macromolecules 37, 9861-9871 (2004)
  56. H. Watanabe, S. Ishida, Y. Matsumiya, and T. Inoue, Test of full and partial tube dilation pictures in entangled blends of linear polyisoprenes Macromolecules 37, 6619-6631 (2004)
  57. H. Watanabe, S. Ishida, Y. Matsumiya, and T. Inoue, Viscoelastic and Dielectric Behavior of Entangled Blends of Linear Polyisoprenes Having Widely Separated Molecular Weights: Test of Tube Dilation Picture Macromolecules 37, 1937-1951 (2004)
  58. Y. Matsumiya, N. P. Balsara, J. B. Kerr, and H. Watanabe, In-situ Dielectric Characterization of Poly(ethylene oxide) Melts Containing Lithium Perchlorate under Steady Shear Flow Macromolecules 37, 544-553 (2004).
  59. H. Watanabe, Y. Matsumiya, and T. Inoue, Rheo-Dielectrics in Oligomeric and Polymeric Fluids: A Review of Recent Findings J. Phys. Condensed Matter 15, S909-S921 (2003).
  60. H. Tan, H. Watanabe, Y. Matsumiya, T. Kanaya, and Y. Takahashi, Shear-induced Disruption and Recovery of Microphase-Separated Network Structure of a BSB Triblock Copolymer in Dibutyl Phthalate Macromolecules 36, 2886-2893 (2003).
  61. H. Watanabe, Y. Matsumiya, T. Kanaya, and Y. Takahashi, in K. Iwakura ed.,, Rheology and Structure of Diblock Copolymer Micellar Lattice: Role of Concentration Fluctuation in Lattice Disruption and Reformation Advanced Polymers and Processing (Proceedings of ICAPP 2001 Yonezawa ) , 95-99 (2002).
  62. H. Watanabe and Y. Matsumiya, in K. Iwakura ed., Dielectric and Viscoelastic Properties of Star-Branched cis-Polyisoprene: Test of Tube Dilation Mechanism Advanced Polymers and Processing , 60-65 (2002).
  63. H. Watanabe, Y. Matsumiya, T. Kanaya, Y. Takahashi, M. Horigome, M. Yada, and A.Miyakawa, Rheo-SANS Study of an Aqueous Suspension of Poly(Methyl Methacrylate-co-Styrene) Particle J. Soc. Rheol. Japan 30, 269-275 (2002).
  64. H. Watanabe, S. Ishida, and Y. Matsumiya, Rheo-dielectric Behavior of Entangled cis-Polyisoprene under Fast Shear Macromolecules 35, 8802-8818 (2002).
  65. H. Watanabe, Y. Matsumiya, and T. Inoue, Dielectric and Viscoelastic Relaxation of Highly Entangled Star Polyisoprene: Quantitative Test of Tube Dilation Model Macromolecules 35, 2339-2357 (2002).
  66. H. Watanabe, Y. Matsumiya, T. Kanaya, and Y. Takahashi, Rheology and Structure of a Butadiene-Styrene Diblock Copolymer in Dibutyl Phthalate: Role of Concentration Fluctuation in Disruption and Reformation of Micellar Lattice Macromolecules 34, 6742-6755 (2001).
  67. Y. Matsumiya and H. Watanabe, Further Test of the Tube Dilation Process in Star-Branched cis-Polyisoprene: Role of Branching-Point Fluctuation Macromolecules 34, 5702-5710 (2001).
  68. H. Watanabe, Y. Matsumiya, M. Kakiuchi, and Y. Aoki, Rheo-dielectric Behavior of Carbon Black Suspensions J. Soc. Rheol. Japan 29, 77-80 (2001).
  69. H. Watanabe, Y. Matsumiya, and K. Osaki, Tube Dilation Process in Star-Branched cis-Polyisoprenes J. Polym. Sci. Part B: Polym. Phys 38, 1024-1036 (2000).
  70. Y. Matsumiya, H. Watanabe, and K. Osaki, Comparison of Dielectric and Viscoelastic Relaxation Functions of cis-Polyisoprenes: Test of Tube Dilation Molecular Picture Macromolecules 33, 499-506 (2000).
  71. H. Watanabe, T. Sato, K. Osaki, Y. Matsumiya, and S. H. Anastasiadis, Effects of Spatial Confinement on Dielectric Relaxation of Block Copolymers having Tail, Loop, and Bridge Conformations J. Soc. Rheol. Jpn 27, 173-182 (1999).
  72. Y. Matsumiya, H. Watanabe, T. Sato, and K. Osaki, Synthesis and Linear Viscoelasticity of Model Comb Polymers J. Soc. Rheol. Jpn 27, 127-128 (1999).
  73. H. Watanabe, T. Sato, Y. Matsumiya, T. Inoue, and K. Osaki, Rheo-Dielectrics: Its Applicability J. Soc. Rheol. Jpn 27, 121-125 (1999).
  74. Y. Matsumiya, H. Watanabe, T. Inoue, K. Osaki, and M.-L. Yao,, Rheo-Dielectric Behavior of Oligostyrene and Polyisoprene Macromolecules 31, 7973-7975 (1998).
  75. Watanabe H, Matsumiya Y, Osaki K, Yao ML, Dynamics of dipole-inverted cis-polyisoprene chains in a matrix of long, entangling chains. 2. Effects of constraint release on the coherence of the subchain motion Macromolecules 31, 7538-7545 (1998).
  76. Matsumiya Y, Watanabe H, Osaki K, Yao ML, Dynamics of dipole-inverted cis-polyisoprene chains in a matrix of long, entangling chains. 1. Effects of constraint release on the eigenmodes of the local correlation function Macromolecules 31, 7528-7537 (1998).

Update: Sep 20,2019