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Osamu Urakawa
Osamu Urakawa
Verifisert e-postadresse på chem.sci.osaka-u.ac.jp
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A dielectric study on the local dynamics of miscible polymer blends: poly (2-chlorostyrene)/poly (vinyl methyl ether)
O Urakawa, Y Fuse, H Hori, Q Tran-Cong, O Yano
Polymer 42 (2), 765-773, 2001
942001
Dielectric study on the heterogeneous dynamics of miscible polyisoprene/poly (vinyl ethylene) blends: Estimation of the relevant length scales for the segmental relaxation dynamics
Y Hirose, O Urakawa, K Adachi
Macromolecules 36 (10), 3699-3708, 2003
862003
Polymerized ionic liquids: Correlation of ionic conductivity with nanoscale morphology and counterion volume
C Iacob, A Matsumoto, M Brennan, H Liu, SJ Paddison, O Urakawa, ...
ACS Macro Letters 6 (9), 941-946, 2017
842017
Dielectric and viscoelastic studies of segmental and normal mode relaxations in undiluted poly (d, l-lactic acid)
J Ren, O Urakawa, K Adachi
Macromolecules 36 (1), 210-219, 2003
832003
Damping functions and chain relaxation in uniaxial and biaxial extensions: Comparison with the Doi-Edwards theory
O Urakawa, M Takahashi, T Masuda, NG Ebrahimi
Macromolecules 28 (21), 7196-7201, 1995
771995
Self-diffusion and viscosity of low molecular weight polystyrene over a wide temperature range
O Urakawa, SF Swallen, MD Ediger, ED von Meerwall
Macromolecules 37 (4), 1558-1564, 2004
732004
Slow dielectric relaxation of entangled linear cis-polyisoprenes with asymmetrically inverted dipoles. 1. Bulk systems
H Watanabe, O Urakawa, T Kotaka
Macromolecules 26 (19), 5073-5083, 1993
731993
Large macro-dipoles generated in a supramolecular polymer of N, N′, N ″-tris (3, 7-dimethyloctyl) benzene-1, 3, 5-tricarboxamide in n-decane
A Sakamoto, D Ogata, T Shikata, O Urakawa, K Hanabusa
Polymer 47 (4), 956-960, 2006
622006
Dielectric relaxation of monodisperse linear polyisoprene: Contribution of constraint release
Y Matsumiya, K Kumazawa, M Nagao, O Urakawa, H Watanabe
Macromolecules 46 (15), 6067-6080, 2013
602013
Slow dielectric relaxation of entangled linear cis-polyisoprenes with asymmetrically inverted dipoles. 2. behavior in a short matrix
H Watanabe, O Urakawa, T Kotaka
Macromolecules 27 (13), 3525-3536, 1994
591994
Dielectric study on dynamics and conformation of poly (d, l-lactic acid) in dilute and semi-dilute solutions
J Ren, O Urakawa, K Adachi
Polymer 44 (3), 847-855, 2003
512003
Calorimetric study of dynamical heterogeneity in blends of polyisoprene and poly (vinylethylene)
T Sakaguchi, N Taniguchi, O Urakawa, K Adachi
Macromolecules 38 (2), 422-428, 2005
502005
Phase separation of binary polymer blends driven by photoisomerization: An example for a wavelength-selection process in polymers
T Ohta, O Urakawa, Q Tran-Cong
Macromolecules 31 (20), 6845-6854, 1998
471998
Effect of local heterogeneity on dielectric relaxation spectra in concentrated solutions of poly (vinyl acetate) and poly (vinyl octanoate)
M Nakazawa, O Urakawa, K Adachi
Macromolecules 33 (21), 7898-7904, 2000
442000
Dynamic heterogeneity in a miscible poly (vinyl acetate)/poly (ethylene oxide) blend
O Urakawa, T Ujii, K Adachi
Journal of non-crystalline solids 352 (42-49), 5042-5049, 2006
422006
Effect of local heterogeneity on dielectric segmental relaxation of poly (vinyl acetate) in concentrated solution
M Yada, M Nakazawa, O Urakawa, Y Morishima, K Adachi
Macromolecules 33 (9), 3368-3374, 2000
422000
Dielectric Relaxation of cis-Polyisoprene Chains in Oligo- and Polybutadiene Matrices:  Matrix Effects on Mode Distribution and Relaxation Time
H Watanabe, O Urakawa, H Yamada, ML Yao
Macromolecules 29 (2), 755-763, 1996
391996
Rheo-optical study on dynamics of bottlebrush-like polymacromonomer consisting of polystyrene. II. Side chain length dependence on dynamical stiffness of main chain
H Iwawaki, O Urakawa, T Inoue, Y Nakamura
Macromolecules 45 (11), 4801-4808, 2012
382012
Dielectric relaxation of dipole-inverted cis-polyisoprene solutions
H Watanabe, H Yamada, O Urakawa
Macromolecules 28 (19), 6443-6453, 1995
371995
Biaxial damping function of entangled monodisperse polystyrene melts: Comparison with the Mead–Larson–Doi model
T Isaki, M Takahashi, O Urakawa
Journal of Rheology 47 (5), 1201-1210, 2003
362003
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Artikler 1–20