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National Institute of Advanced Industrial Science and Technology: Sendai, JP

1996-04-01 to present | Deputy Director-General (AIST Tohoku)
Employment
Source: Self-asserted source
Takafumi Aizawa

Works (50 of 71)

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Page 1 of 2

A New Bundling and Packaging Method Using Nonwoven Polylactide Based on Polymer Shrinkage by Carbon Dioxide

Technologies
2025-01-28 | Journal article
DOI: 10.3390/technologies13020049
Contributors: Takafumi Aizawa
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HELIUM GAS-BARRIER PROPERTIES OF COATING FILMS CONSISTING OF NATURAL SMECTITES AND BUTENEDIOL VINYL ALCOHOL COPOLYMERS: INFLUENCE OF INTERLAYER IONS

Clay Science
2023-06-15 | Journal article
DOI: 10.11362/jcssjclayscience.MS-23-3
Part of ISSN: 00098574
Part of ISSN: 21863555
Contributors: Takafumi Aizawa; Munehiro Kubota; Takeo Ebina
Source: Self-asserted source
Takafumi Aizawa

Relationship between Permeability and Structure of CO2-Assisted Polymer Compression Products

Membranes
2023-05-29 | Journal article
DOI: 10.3390/membranes13060560
Contributors: Takafumi Aizawa
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Anisotropy Analysis of the Permeation Behavior in Carbon Dioxide-Assisted Polymer Compression Porous Products

Technologies
2023-04-03 | Journal article
DOI: 10.3390/technologies11020052
Contributors: Takafumi Aizawa
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TEMPERATURE DEPENDENCE OF THE He PERMEABILITY OF COATING FILMS MADE OF NATURAL SMECTITE AND BUTENEDIOL VINYL ALCOHOL COPOLYMERS

Clay Science
2022-11-30 | Journal article
DOI: 10.11362/jcssjclayscience.MS-22-3
Part of ISSN: 00098574
Part of ISSN: 21863555
Contributors: Takafumi Aizawa; Munehiro Kubota; Takeo Ebina
Source: Self-asserted source
Takafumi Aizawa

Temperature dependence of gas barrier property of clay-polymer composite coatings

Applied Clay Science
2022-09 | Journal article
DOI: 10.1016/j.clay.2022.106571
Part of ISSN: 0169-1317
Contributors: Takafumi Aizawa; Munehiro Kubota; Takeo Ebina
Source: Self-asserted source
Takafumi Aizawa

Effect of Crystallinity on Young’s Modulus of Porous Materials Composed of Polyethylene Terephthalate Fibers in the Presence of Carbon Dioxide

Polymers
2022-09-06 | Journal article
DOI: 10.3390/polym14183724
Contributors: Takafumi Aizawa
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Fabrication of Enzyme-Loaded Cartridges Using CO2-Assisted Polymer Compression

Technologies
2021-11-09 | Journal article
DOI: 10.3390/technologies9040085
Contributors: Takafumi Aizawa; Shun-ichi Matsuura
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Analysis of Restitution Coefficient and Hardness of CO<sub>2</sub>-Assisted Polymer Compression Products

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
2021-08-20 | Journal article
DOI: 10.1252/jcej.20we187
Contributors: Takafumi Aizawa
Source: check_circle
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Application of CO2-Assisted Polymer Compression to Polylactic Acid and the Relationship between Crystallinity and Plasticization

Compounds
2021-08-04 | Journal article
DOI: 10.3390/compounds1020007
Contributors: Takafumi Aizawa
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AN APPARATUS FOR HIGH-TEMPERATURE GAS PERMEABILITY MEASUREMENTS AND THE EVALUATION OF THE GAS BARRIER PROPERTIES OF CLAY NANOPLATE COATINGS UP TO 160°C

Clay Science
2021-06-30 | Journal article
DOI: 10.11362/jcssjclayscience.MS-21-3
Part of ISSN: 00098574
Part of ISSN: 21863555
Source: Self-asserted source
Takafumi Aizawa

New Design Method for Fabricating Multilayer Membranes Using CO2-Assisted Polymer Compression Process

Molecules
2020-12-08 | Journal article
DOI: 10.3390/molecules25245786
Contributors: Takafumi Aizawa
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Correlation between the Porosity and Permeability of a Polymer Filter Fabricated via CO2-Assisted Polymer Compression

Membranes
2020-12-03 | Journal article
DOI: 10.3390/membranes10120391
Contributors: Takafumi Aizawa; Yoshito Wakui
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Novel Strategy for Fabricating Multilayer Porous Membranes with Varying Porosity

ACS Omega
2020-09-29 | Journal article
DOI: 10.1021/acsomega.0c02906
Contributors: Takafumi Aizawa
Source: check_circle
Crossref

Process Development of CO2-Assisted Polymer Compression for High Productivity: Improving Equipment and the Challenge of Numbering-Up

Technologies
2019-05-08 | Journal article
DOI: 10.3390/technologies7020039
Contributors: Takafumi Aizawa
Source: check_circle
Crossref
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Peel and Penetration Resistance of Porous Polyethylene Terephthalate Material Produced by CO2-Assisted Polymer Compression

Molecules
2019-04-09 | Journal article
DOI: 10.3390/molecules24071384
Contributors: Takafumi Aizawa
Source: check_circle
Crossref
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Fabrication of porosity-controlled polyethylene terephthalate porous materials using a CO2-assisted polymer compression method

RSC Advances
2018 | Journal article
DOI: 10.1039/C7RA12184A
Contributors: T. Aizawa
Source: check_circle
Crossref

Analysis of Sustained Release Behavior of Drug-Containing Tablet Prepared by CO<sub>2</sub>-Assisted Polymer Compression

Polymers
2018-12 | Journal article | Author
DOI: 10.3390/polym10121405
Contributors: Yoshito Wakui; Takafumi Aizawa
Source: check_circle
Multidisciplinary Digital Publishing Institute
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A new method for producing porous polymer materials using carbon dioxide and a piston

The Journal of Supercritical Fluids
2018-03 | Journal article
DOI: 10.1016/j.supflu.2017.09.018
Part of ISSN: 0896-8446
Source: Self-asserted source
Takafumi Aizawa

CLAY COMPOSITE COATING MATERIALS WITH HIGH GAS BARRIER PROPERTY AND TRANSPARENCY

Clay Science
2017 | Journal article
DOI: 10.11362/jcssjclayscience.20.3-4_63
Part of ISSN: 00098574
Part of ISSN: 21863555
Source: Self-asserted source
Takafumi Aizawa

Development of Clay-based Film and Its Application to Gas Barrier Layers of Composite Tanks

Journal of the Japan Petroleum Institute
2017-05-01 | Journal article
DOI: 10.1627/jpi.60.121
Part of ISSN: 1346-8804
Part of ISSN: 1349-273X
Source: Self-asserted source
Takafumi Aizawa

Development of water vapor transmission rate measuring device using a quadrupole mass spectrometer and standard gas barrier films down to the 10−6 g m−2 day−1 level

Review of Scientific Instruments
2017-04 | Journal article
DOI: 10.1063/1.4980074
Part of ISSN: 0034-6748
Part of ISSN: 1089-7623
Source: Self-asserted source
Takafumi Aizawa

NMR Studies on Solution Structures of Methanol and Ethanol Saturated with CO2

Journal of Solution Chemistry
2014-10 | Journal article
DOI: 10.1007/s10953-014-0222-z
Part of ISSN: 0095-9782
Part of ISSN: 1572-8927
Source: Self-asserted source
Takafumi Aizawa

Effect of CO2 dissolution on electrical conductivity and self-diffusion coefficients of 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid

Fluid Phase Equilibria
2013-11 | Journal article
DOI: 10.1016/j.fluid.2013.05.023
Part of ISSN: 0378-3812
Source: Self-asserted source
Takafumi Aizawa

Multi-Step Passivation of Titanium in Dilute Sulphuric Acid

Journal of The Electrochemical Society
2011 | Journal article
DOI: 10.1149/2.065111jes
Part of ISSN: 0013-4651
Source: Self-asserted source
Takafumi Aizawa

Analysis of volume expansion mechanism of CO2–acetate systems at 40°C

The Journal of Supercritical Fluids
2010-11 | Journal article
DOI: 10.1016/j.supflu.2010.06.002
Part of ISSN: 0896-8446
Source: Self-asserted source
Takafumi Aizawa

Dependence of volume expansion on alkyl chain length and the existence of branched methyl group of CO2-expanded ketone systems at 40°C

The Journal of Supercritical Fluids
2010-11 | Journal article
DOI: 10.1016/j.supflu.2010.05.025
Part of ISSN: 0896-8446
Source: Self-asserted source
Takafumi Aizawa

Relation between Volume Expansion and Hydrogen Bond Networks for CO2−Alcohol Mixtures at 40 °C

The Journal of Physical Chemistry B
2010-11-04 | Journal article
DOI: 10.1021/jp1017339
Part of ISSN: 1520-6106
Part of ISSN: 1520-5207
Source: Self-asserted source
Takafumi Aizawa

Liquid structures of 1-butyl-3-methylimidazolium tetrafluoroborate and carbon dioxide mixtures by X-ray diffraction measurements

Fluid Phase Equilibria
2010-10 | Journal article
DOI: 10.1016/j.fluid.2010.03.043
Part of ISSN: 0378-3812
Source: Self-asserted source
Takafumi Aizawa

Molecular motility and affinity of expanded carbon dioxide+ketone systems analyzed by molecular dynamics simulations

Fluid Phase Equilibria
2010-10 | Journal article
DOI: 10.1016/j.fluid.2010.05.007
Part of ISSN: 0378-3812
Source: Self-asserted source
Takafumi Aizawa

Characterization of nanocrystalline indium tin oxide thin films prepared by ion beam sputter deposition method

Thin Solid Films
2010-09 | Journal article
DOI: 10.1016/j.tsf.2010.07.034
Part of ISSN: 0040-6090
Source: Self-asserted source
Takafumi Aizawa

Fabrication of nanostructured titania on flexible substrate by electrochemical anodization

Journal of Power Sources
2010-09 | Journal article
DOI: 10.1016/j.jpowsour.2009.11.097
Part of ISSN: 0378-7753
Source: Self-asserted source
Takafumi Aizawa

Flow Visualization and Numerical Simulation of T-Junction Mixing of High-Temperature High-Pressure Water

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
2009 | Journal article
DOI: 10.1252/jcej.08we231
Part of ISSN: 0021-9592
Source: Self-asserted source
Takafumi Aizawa

Formation of Self-Ordered TiO[sub 2] Nanotubes by Electrochemical Anodization of Titanium in 2-Propanol/NH[sub 4]F

Journal of The Electrochemical Society
2009 | Journal article
DOI: 10.1149/1.3232246
Part of ISSN: 0013-4651
Source: Self-asserted source
Takafumi Aizawa

Liquid Structure of 1-Butyl-3-methylimidazolium Hexafluorophosphate by Neutron Diffraction with H/D Isotopic Substitution Method

Analytical Sciences
2008 | Journal article
DOI: 10.2116/analsci.24.1373
Part of ISSN: 0910-6340
Part of ISSN: 1348-2246
Source: Self-asserted source
Takafumi Aizawa

Nanostructure of Pure Iron Anodically Oxidized in Borate Buffer Solution and Annealed by Infrared Radiation

Journal of Nanoscience and Nanotechnology
2008-02-01 | Journal article
DOI: 10.1166/jnn.2008.d131
Part of ISSN: 1533-4880
Source: Self-asserted source
Takafumi Aizawa
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Direct observation of channel-tee mixing of high-temperature and high-pressure water

The Journal of Supercritical Fluids
2007-12 | Journal article
DOI: 10.1016/j.supflu.2007.03.008
Part of ISSN: 0896-8446
Source: Self-asserted source
Takafumi Aizawa

Growth process of atomically flat anodic films on titanium under potentiostatical electrochemical treatment in H2SO4 solution

Surface Science
2007-11 | Journal article
DOI: 10.1016/j.susc.2007.04.211
Part of ISSN: 0039-6028
Source: Self-asserted source
Takafumi Aizawa

Proton concentration of supercritical water and high-concentrated carbon dioxide mixture using UV–vis spectroscopy

Fluid Phase Equilibria
2007-08 | Journal article
DOI: 10.1016/j.fluid.2007.01.028
Part of ISSN: 0378-3812
Source: Self-asserted source
Takafumi Aizawa

Determination of Kamlet–Taft solvent parameters π* of high pressure and supercritical water by the UV-Vis absorption spectral shift of 4-nitroanisole

Phys. Chem. Chem. Phys.
2006 | Journal article
DOI: 10.1039/b516862g
Part of ISSN: 1463-9076
Part of ISSN: 1463-9084
Source: Self-asserted source
Takafumi Aizawa

Estimation of Local Density Augmentation and Hydrogen Bonding between Pyridazine and Water under Sub- and Supercritical Conditions Using UV-Vis Spectroscopy

Analytical Sciences
2006 | Journal article
DOI: 10.2116/analsci.22.1417
Part of ISSN: 0910-6340
Part of ISSN: 1348-2246
Source: Self-asserted source
Takafumi Aizawa

Melting point depression of ionic liquids confined in nanospaces

Chemical Communications
2006 | Journal article
DOI: 10.1039/b600074f
Part of ISSN: 1359-7345
Part of ISSN: 1364-548X
Source: Self-asserted source
Takafumi Aizawa

Local density augmentation of excited 1-(dimethylamino)naphthalene in supercritical water

The Journal of Supercritical Fluids
2006-12 | Journal article
DOI: 10.1016/j.supflu.2006.02.013
Part of ISSN: 0896-8446
Source: Self-asserted source
Takafumi Aizawa

Phase Behavior of Xe Confined in Porous Vycor Glass Probed by129Xe NMR Chemical Shift

Journal of the Physical Society of Japan
2006-02-15 | Journal article
DOI: 10.1143/jpsj.75.024603
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Takafumi Aizawa

NMR Spectroscopy of Compressed Fluids in Nanopore

BUNSEKI KAGAKU
2005 | Journal article
DOI: 10.2116/bunsekikagaku.54.565
Part of ISSN: 0525-1931
Source: Self-asserted source
Takafumi Aizawa

Temperature Dependence of Local Density Augmentation for AcetophenoneN,N,N‘,N‘-Tetramethylbenzidine Exciplex in Supercritical Water

The Journal of Physical Chemistry A
2005-08 | Journal article
DOI: 10.1021/jp051389l
Part of ISSN: 1089-5639
Part of ISSN: 1520-5215
Source: Self-asserted source
Takafumi Aizawa

Solution Structures of 1-Butyl-3-methylimidazolium Hexafluorophosphate Ionic Liquid Saturated with CO2:  Experimental Evidence of Specific Anion−CO2Interaction

The Journal of Physical Chemistry B
2005-07 | Journal article
DOI: 10.1021/jp052354o
Part of ISSN: 1520-6106
Part of ISSN: 1520-5207
Source: Self-asserted source
Takafumi Aizawa

Determination of fluid density confined in nanopore by means of NMR spectroscopy

Chemical Physics Letters
2005-06 | Journal article
DOI: 10.1016/j.cplett.2005.04.059
Part of ISSN: 0009-2614
Source: Self-asserted source
Takafumi Aizawa

Direct Evidence of Ion-dipole Interaction between Imidazolium Cations and Polar Molecules in Ionic Liquid Solutions by Means of Mass Spectrometric Analysis of Clusters

Chemistry Letters
2005-05 | Journal article
DOI: 10.1246/cl.2005.706
Part of ISSN: 0366-7022
Part of ISSN: 1348-0715
Source: Self-asserted source
Takafumi Aizawa

Water-induced Acceleration of Transport Properties in Hydrophobic 1-Butyl-3-methylimidazolium Hexafluorophosphate Ionic Liquid

Chemistry Letters
2005-03 | Journal article
DOI: 10.1246/cl.2005.324
Part of ISSN: 0366-7022
Part of ISSN: 1348-0715
Source: Self-asserted source
Takafumi Aizawa
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Peer review (3 reviews for 1 publication/grant)

Review activity for Polymers. (3)
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