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Research Output 1979 2019

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2005
61 Citations (Scopus)

Dependence of the molecular aggregation state of octadecylsiloxane monolayers on preparation methods

Koga, T., Morita, M., Ishida, H., Yakabe, H., Sasaki, S., Sakata, O., Otsuka, H. & Takahara, A., Feb 1 2005, In : Langmuir. 21, 3, p. 905-910 6 p.

Research output: Contribution to journalArticle

Monolayers
Agglomeration
vapors
preparation
adsorption

Evaluation of interfacial structure in blends of polypropylene and elastomer by scanning force mircroscopy

Nakahara, S., Motowoka, M., Tanaka, K., Takahara, A. & Kajiyama, T., Jan 1 2005, In : KOBUNSHI RONBUNSHU. 62, 9, p. 432-434 3 p.

Research output: Contribution to journalArticle

Elastomers
Polypropylenes
transmission electron microscopy
microscopy
Atomic force microscopy
24 Citations (Scopus)

Grazing incidence X-ray diffraction study on surface crystal structure of polyethylene thin films

Yakabe, H., Tanaka, K., Nagamura, T., Sasaki, S., Sakata, O., Takahara, A. & Kajiyama, T., Jan 1 2005, In : Polymer Bulletin. 53, 3, p. 213-222 10 p.

Research output: Contribution to journalArticle

Polyethylene
grazing incidence
Polyethylenes
polyethylenes
Crystal structure
6 Citations (Scopus)

Imaging of charged micropatterned monolayer surfaces by chemical force microscopy

Koga, T., Otsuka, H. & Takahara, A., Sep 15 2005, In : Bulletin of the Chemical Society of Japan. 78, 9, p. 1691-1698 8 p.

Research output: Contribution to journalArticle

Monolayers
Microscopic examination
Imaging techniques
Functional groups
Electrostatics
15 Citations (Scopus)

Macro- and nanotribological properties of organosilane monolayers prepared by a chemical vapor adsorption method on silicon substrates

Ishida, H., Koga, T., Morita, M., Otsuka, H. & Takahara, A., May 1 2005, In : Tribology Letters. 19, 1, p. 3-8 6 p.

Research output: Contribution to journalArticle

Silicon
Macros
Monolayers
friction
Vapors
190 Citations (Scopus)

Macroscopic-wetting anisotropy on the line-patterned surface of fluoroalkylsilane monolayers

Morita, M., Koga, T., Otsuka, H. & Takahara, A., Feb 1 2005, In : Langmuir. 21, 3, p. 911-918 8 p.

Research output: Contribution to journalArticle

wetting
Wetting
Monolayers
Anisotropy
anisotropy
231 Citations (Scopus)

Molecular aggregation structure and surface properties of poly(fluoroalkyl acrylate) thin films

Honda, K., Morita, M., Otsuka, H. & Takahara, A., Jun 28 2005, In : Macromolecules. 38, 13, p. 5699-5705 7 p.

Research output: Contribution to journalArticle

Contact angle
Surface properties
Agglomeration
Thin films
Water
30 Citations (Scopus)

Molecular aggregation structure of poly(fluoroalkyl acrylate) thin films evaluated by synchrotron-sourced grazing-incidence X-ray diffraction

Honda, K., Yakabe, H., Koga, T., Sasaki, S., Sakata, O., Otsuka, H. & Takahara, A., Jul 5 2005, In : Chemistry Letters. 34, 7, p. 1024-1025 2 p.

Research output: Contribution to journalArticle

Synchrotrons
Agglomeration
X ray diffraction
Thin films
Diffraction
60 Citations (Scopus)

Molecular motion in ultrathin polystyrene films: Dynamic mechanical analysis of surface and interfacial effects

Akabori, K. I., Tanaka, K., Nagamura, T., Takahara, A. & Kajiyama, T., Nov 15 2005, In : Macromolecules. 38, 23, p. 9735-9741 7 p.

Research output: Contribution to journalArticle

Polystyrenes
Dynamic mechanical analysis
Ultrathin films
Relaxation processes
Substrates
70 Citations (Scopus)

Preparation and properties of [poly(methyl methacrylate)/imogolite] hybrid via surface modification using phosphoric acid ester

Yamamoto, K., Otsuka, H., Wada, S-I., Sohn, D. & Takahara, A., Dec 12 2005, In : polymer. 46, 26, p. 12386-12392 7 p.

Research output: Contribution to journalArticle

Organophosphates
Phosphoric acid
Polymethyl Methacrylate
Nanofibers
Polymethyl methacrylates
9 Citations (Scopus)
Silicon Dioxide
Monolayers
Microscopic examination
ethyl alcohol
Enantiomers
65 Citations (Scopus)

Reversible radical ring-crossover polymerization of an alkoxyamine-containing dynamic covalent macrocycle

Yamaguchi, G., Higaki, Y., Otsuka, H. & Takahara, A., Jul 26 2005, In : Macromolecules. 38, 15, p. 6316-6320 5 p.

Research output: Contribution to journalArticle

Macrocyclic Compounds
Polymerization
Dilution
Monomers
Covalent bonds
15 Citations (Scopus)

Site-selective coating of polymer thin film prepared by the ink-jet method on the patterned fluoroalkylsilane monolayer substrate

Morita, M., Yasutake, S., Ishizuka, H., Fukai, J. & Takahara, A., Jul 5 2005, In : Chemistry Letters. 34, 7, p. 916-917 2 p.

Research output: Contribution to journalArticle

Polystyrenes
Polymer films
Ink
Wetting
Monolayers
60 Citations (Scopus)

Spontaneously formed hydrophilic surfaces by segregation of block copolymers with water-soluble blocks

Yokoyama, H., Miyamae, T., Han, S., Ishizone, T., Tanaka, K., Takahara, A. & Torikai, N., Jun 14 2005, In : Macromolecules. 38, 12, p. 5180-5189 10 p.

Research output: Contribution to journalArticle

Block copolymers
Polystyrenes
Water
Surface segregation
Vibrational spectroscopy
265 Citations (Scopus)

Super-liquid-repellent surfaces prepared by colloidal silica nanoparticles covered with fluoroalkyl groups

Hikita, M., Tanaka, K., Nakamura, T., Kajiyama, T. & Takahara, A., Aug 2 2005, In : Langmuir. 21, 16, p. 7299-7302 4 p.

Research output: Contribution to journalArticle

liquid surfaces
Silicon Dioxide
Silica
Nanoparticles
silicon dioxide
61 Citations (Scopus)
Atom transfer radical polymerization
Brushes
Methacrylates
Polymers
Silicon wafers
59 Citations (Scopus)

Transparent polymer nanohybrid prepared by in situ synthesis of aluminosilicate nanofibers in poly(vinyl alcohol) solution

Yamamoto, K., Otsuka, H., Wada, S-I., Sohn, D. & Takahara, A., Nov 14 2005, In : Soft Matter. 1, 5, p. 372-377 6 p.

Research output: Contribution to journalArticle

Nanofibers
Polymers
alcohols
Alcohols
polymers
23 Citations (Scopus)

Tunable metallization by assembly of metal nanoparticles in polymer thin films by photo- or electron beam lithography

Yin, D., Horiuchi, S., Morita, M. & Takahara, A., Sep 27 2005, In : Langmuir. 21, 20, p. 9352-9358 7 p.

Research output: Contribution to journalArticle

Electron beam lithography
Metal nanoparticles
Palladium
Metallizing
Polymer films
2004
53 Citations (Scopus)

Aggregation states and surface wettability in films of poly(styrene-block- 2-perfluorooctyl ethyl acrylate) diblock copolymers synthesized by atom transfer radical polymerization

Hikita, M., Tanaka, K., Nakamura, T., Kajiyama, T. & Takahara, A., Jun 22 2004, In : Langmuir. 20, 13, p. 5304-5310 7 p.

Research output: Contribution to journalArticle

Styrene
Atom transfer radical polymerization
acrylates
wettability
Block copolymers
10 Citations (Scopus)
Polystyrenes
Microscopic examination
Molecular weight
Surface structure
Activation energy
12 Citations (Scopus)

Anisotropic-to-isotropic change in lateral force at the surface of single-crystal lamellae of high-density polyethylene during low-temperature annealing

Ryousho, Y., Sasaki, S., Nagamura, T., Takahara, A. & Kajiyama, T., Jun 29 2004, In : Macromolecules. 37, 13, p. 5115-5117 3 p.

Research output: Contribution to journalArticle

Polyethylene
High density polyethylenes
Single crystals
Annealing
Temperature
2 Citations (Scopus)

Annealing effect on adhesion properties of poly(butylene terephthalate)

Izumi, T., Tanaka, K., Narita, R., Horiuchi, S., Takahara, A. & Kajiyama, T., Oct 14 2004, In : Composite Interfaces. 11, 4, p. 325-333 9 p.

Research output: Contribution to journalArticle

terephthalate
butenes
adhesion
Adhesion
Annealing
249 Citations (Scopus)

Control of nanobiointerfaces generated from well-defined biomimetic polymer brushes for protein and cell manipulations

Iwata, R., Suk-In, P., Hoven, V. P., Takahara, A., Akiyoshi, K. & Iwasaki, Y., Nov 1 2004, In : Biomacromolecules. 5, 6, p. 2308-2314 7 p.

Research output: Contribution to journalArticle

Biomimetics
Brushes
Polymers
Proteins
Atom transfer radical polymerization
81 Citations (Scopus)

Dynamic Formation of Graft Polymers via Radical Crossover Reaction of Alkoxyamines

Higaki, Y., Otsuka, H. & Takahara, A., Mar 9 2004, In : Macromolecules. 37, 5, p. 1696-1701 6 p.

Research output: Contribution to journalArticle

Graft copolymers
Polymers
Polystyrenes
Free radical polymerization
Esters
19 Citations (Scopus)

Influence of the addition of silsesquioxane on the dewetting behavior of polystyrene thin film

Hosaka, N., Tanaka, K., Otsuka, H. & Takahara, A., Oct 14 2004, In : Composite Interfaces. 11, 4, p. 297-306 10 p.

Research output: Contribution to journalArticle

Polystyrenes
drying
polystyrene
Thin films
thin films
191 Citations (Scopus)

Polystyrene- and poly(3-vinylpyridine)-grafted magnetite nanoparticles prepared through surface-initiated nitroxide-mediated radical polymerization

Matsuno, R., Yamamoto, K., Otsuka, H. & Takahara, A., Mar 23 2004, In : Macromolecules. 37, 6, p. 2203-2209 7 p.

Research output: Contribution to journalArticle

Magnetite Nanoparticles
Ferrosoferric Oxide
Magnetite nanoparticles
Polystyrenes
Magnetite
51 Citations (Scopus)

Surface structure of asymmetric fluorinated block copolymers

Yokoyama, H., Tanaka, K., Takahara, A., Kajiyama, T., Sugiyama, K. & Hirao, A., Feb 10 2004, In : Macromolecules. 37, 3, p. 939-945 7 p.

Research output: Contribution to journalArticle

Surface structure
Block copolymers
Styrene
Secondary ion mass spectrometry
Interfacial energy
2003
8 Citations (Scopus)

Analysis of surface composition of isotopic polymer blend based on time-of-flight secondary ion mass spectroscopy

Takahara, A., Kawaguchi, D., Tanaka, K., Tozu, M., Hoshi, T. & Kajiyama, T., Jan 15 2003, In : Applied Surface Science. 203-204, p. 538-540 3 p.

Research output: Contribution to journalArticle

Polystyrenes
Polymer blends
Surface structure
Spectroscopy
Ions
48 Citations (Scopus)

Anomalous surface relaxation process in polystyrene ultrathin films

Akabori, K. I., Tanaka, K., Kajiyama, T. & Takahara, A., Jul 1 2003, In : Macromolecules. 36, 13, p. 4937-4943 7 p.

Research output: Contribution to journalArticle

Surface relaxation
Ultrathin films
Polystyrenes
Relaxation processes
Temperature
8 Citations (Scopus)

Effect of cyclic fatigue conditions on nonlinear dynamic viscoelasticity and fatigue behaviors for short glass-fiber reinforced nylon6

Komatsu, S., Takahara, A. & Kajiyama, T., Dec 1 2003, In : Polymer Journal. 35, 11, p. 844-850 7 p.

Research output: Contribution to journalArticle

Viscoelasticity
Glass fibers
Fatigue of materials
Debonding
Crack propagation
17 Citations (Scopus)

Fabrication and characterization of multi-component organosilane nanofilms

Takahara, A., Sakata, H., Morita, M., Yukikoga, T. & Otsuka, H., Jan 1 2003, In : Composite Interfaces. 10, 4-5, p. 489-504 16 p.

Research output: Contribution to journalArticle

Fabrication
fabrication
Photomasks
photodecomposition
condensing
77 Citations (Scopus)

Mobility gradient in surface region of monodisperse polystyrene films

Kawaguchi, D., Tanaka, K., Kajiyama, T., Takahara, A. & Tasaki, S., Feb 25 2003, In : Macromolecules. 36, 4, p. 1235-1240 6 p.

Research output: Contribution to journalArticle

Polystyrenes
Temperature
Neutrons
Molecular weight
Spectroscopy

Nano-rheological properties of polymeric solid surfaces

Kajiyama, T., Tanaka, K. & Takahara, A., Jun 23 2003, In : Nihon Reoroji Gakkaishi. 31, 1, p. 33-40 8 p.

Research output: Contribution to journalArticle

solid surfaces
Microscopic examination
Viscoelasticity
Molecular weight
molecular weight
24 Citations (Scopus)

Paracrystalline lattice distortion in the near-surface region of melt-crystallized polyethylene films evaluated by synchrotron-sourced grazing-incidence X-ray diffraction

Yakabe, H., Sasaki, S., Sakata, O., Takahara, A. & Kajiyama, T., Aug 12 2003, In : Macromolecules. 36, 16, p. 5905-5907 3 p.

Research output: Contribution to journalArticle

Polyethylene
Synchrotrons
Polyethylenes
X ray diffraction
Crystal lattices
119 Citations (Scopus)

Polymer scrambling: Macromolecular radical crossover reaction between the main chains of alkoxyamine-based dynamic covalent polymers

Otsuka, H., Aotani, K., Higaki, Y. & Takahara, A., Apr 9 2003, In : Journal of the American Chemical Society. 125, 14, p. 4064-4065 2 p.

Research output: Contribution to journalArticle

Polymers
Hybrid materials
Nuclear magnetic resonance
112 Citations (Scopus)

Polystyrene-grafted magnetite nanoparticles prepared through surface-initiated nitroxyl-mediated radical polymerization

Matsuno, R., Yamamoto, K., Otsuka, H. & Takahara, A., Jan 14 2003, In : Chemistry of Materials. 15, 1, p. 3-5 3 p.

Research output: Contribution to journalArticle

Magnetite Nanoparticles
Magnetite nanoparticles
Polystyrenes
Free radical polymerization
Ferrosoferric Oxide
34 Citations (Scopus)

Polyurethane macroinitiator for controlled monomer insertion of styrene

Higaki, Y., Otsuka, H., Endo, T. & Takahara, A., Mar 11 2003, In : Macromolecules. 36, 5, p. 1494-1499 6 p.

Research output: Contribution to journalArticle

Styrene
Polyurethanes
Polystyrenes
Monomers
Solubility
28 Citations (Scopus)

Surface composition control via chain end segregation in blend films of polystyrene and poly(vinyl methyl ether)

Kawaguchi, D., Tanaka, K., Kajiyama, T., Takahara, A. & Tasaki, S., Sep 9 2003, In : Macromolecules. 36, 18, p. 6824-6830 7 p.

Research output: Contribution to journalArticle

Polystyrenes
Surface structure
Ethers
poly(vinyl methyl ether)
Silicon wafers

Surface Nano-structure and Nano-mechanical Properties of Organosilane Monolayers

Takahara, A. & Kajiyama, T., Jan 2003, In : Shinku/Journal of the Vacuum Society of Japan. 46, 2, p. 98-104 7 p.

Research output: Contribution to journalArticle

Monolayers
Mechanical properties
20 Citations (Scopus)

Surface relaxation processes of poly(methyl methacrylate) brushes prepared by atom transfer radical polymerization

Tanaka, K., Kojio, K., Kimura, R., Takahara, A. & Kajiyama, T., Mar 27 2003, In : Polymer Journal. 35, 1, p. 44-49 6 p.

Research output: Contribution to journalArticle

Surface relaxation
Atom transfer radical polymerization
Relaxation processes
Polymethyl Methacrylate
Brushes
36 Citations (Scopus)

Surface segregation of chain ends in α,ω-fluoroalkyl-terminated polystyrenes films

Tanaka, K., Kawaguchi, D., Yokoe, Y., Kajiyama, T., Takahara, A. & Tasaki, S., Jun 27 2003, In : polymer. 44, 15, p. 4171-4177 7 p.

Research output: Contribution to journalArticle

Surface segregation
Polystyrenes
Molecular weight
Free energy
Anionic polymerization
7 Citations (Scopus)

Surface thermal molecular motion of chain end-modified polystyrenes

Kajiyama, T., Tanaka, K. & Takahara, A., Mar 1 2003, In : Macromolecular Symposia. 192, p. 265-270 6 p.

Research output: Contribution to journalArticle

Polystyrenes
polystyrene
Relaxation processes
glass transition temperature
Hot Temperature
32 Citations (Scopus)

Synthesis of well-defined poly(styrene)-b-poly(p-tert-butoxystyrene) multiblock copolymer from poly(alkoxyamine) macroinitiator

Higaki, Y., Otsuka, H. & Takahara, A., Oct 17 2003, In : polymer. 44, 23, p. 7095-7101 7 p.

Research output: Contribution to journalArticle

Styrene
Copolymers
Monomers
Nuclear magnetic resonance
8 Citations (Scopus)

Thin silica film with a network structure as prepared by surface sol-gel transcription on the poly(styrene-b-4-vinylpyridine) polymer film

Fujita, N., Otsuka, H., Takahara, A. & Shinkai, S., Apr 5 2003, In : Chemistry Letters. 32, 4, p. 352-353 2 p.

Research output: Contribution to journalArticle

Styrene
Periodic structures
Transcription
Polycondensation
Polymer films
45 Citations (Scopus)

Visualization of active surface molecular motion in polystyrene film by scanning viscoelasticity microscopy

Tanaka, K., Hashimoto, K., Kajiyama, T. & Takahara, A., Aug 19 2003, In : Langmuir. 19, 17, p. 6573-6575 3 p.

Research output: Contribution to journalArticle

Polystyrenes
viscoelasticity
Viscoelasticity
polystyrene
Microscopic examination
2002
87 Citations (Scopus)

A dynamic (reversible) covalent polymer: radical crossover behaviour of TEMPO–containing poly(alkoxyamine ester)s

Otsuka, H., Aotani, K., Higaki, Y. & Takahara, A., Jan 1 2002, In : Chemical Communications. 2, 23, p. 2838-2839 2 p.

Research output: Contribution to journalArticle

Interchanges
Esters
Polymers
Heating
18 Citations (Scopus)

Aggregation structure and molecular motion of (glass-fiber/matrix nylon 66) interface in short glass-fiber reinforced nylon 66 composites

Noda, K., Tsuji, M., Takahara, A. & Kajiyama, T., May 10 2002, In : polymer. 43, 14, p. 4055-4062 8 p.

Research output: Contribution to journalArticle

Nylons
Glass fibers
Agglomeration
Composite materials
Photoacoustic spectroscopy
45 Citations (Scopus)

A novel method to examine surface composition in mixtures of chemically identical two polymers with different molecular weights

Tanaka, K., Kajiyama, T., Takahara, A. & Tasaki, S., Jun 4 2002, In : Macromolecules. 35, 12, p. 4702-4706 5 p.

Research output: Contribution to journalArticle

Surface structure
Polymers
Molecular weight
Polystyrenes
Spectroscopy
25 Citations (Scopus)

Crystallization behavior of strongly interacting chains

Heintz, A. M., McKiernan, R. L., Gido, S. P., Penelle, J., Hsu, S. L., Sasaki, S., Takahara, A. & Kajiyama, T., Apr 9 2002, In : Macromolecules. 35, 8, p. 3117-3125 9 p.

Research output: Contribution to journalArticle

Crystallization
Infrared spectroscopy
Carbamates
Crystallization kinetics
Conformations

Deformation conditions - Nonlinear viscoelasticity relationship for HDPE solid-state extrudate under cyclic fatigue

Higashi, S., Takahara, A. & Kajiyama, T., Jan 1 2002, In : Nihon Reoroji Gakkaishi. 30, 3, p. 147-153 7 p.

Research output: Contribution to journalArticle

viscoelasticity
Viscoelasticity
Polyethylene
High density polyethylenes
Fatigue of materials