@@@Archive
2013
(131)R. Sakai, B. John, M. Okamoto, J.V. Seppala, J. Vaithilingam, H. Hussein,
R. Goodridge
"Fabrication of Polylactide based Biodegradable Thermoset Scaffolds
for Tissue Engineering Applications", Macromolecular Materials and
Engineering, 298(1), 45-52 (2013) DOI: 10.1002/mame.201100436 (2012)
(132)C. Mizuno, B. John, M. Okamoto
"Percolated network structure formation and rheological properties in nylon 6/clay nanocomposites", Macromolecular Materials and Engineering, Macromolecular Materials and Engineering, 298, 400-411 (2013) DOI: 10.1002/mame.201200065(2012)
(133)A. Taki, B. John, S. Arakawa, M. Okamoto
"Structure and Rheology of Nanocomposite Hydrogels Composed of DNA
and Clay", European Polymer Journal, 49, 923-931 (2013)
(13B1)M. Okamoto
"Synthetic biopolymer nanocomposites with the aim of tissue engineering
scaffolds in Ceramic Nanocomposites: Properties and Applications",
R. Banerjee editor, Cambridge: Woodhead Publishing 2013 in press.
(134)M. Okamoto, B. John
"Synthetic biopolymer nanocomposites for tissue engineering scaffolds",
Progress in Polymer Science, 38, 1487-1503, (2013).
(135)T. Kawachi, Y. Matsuura, F. Iyoda, S. Arakawa, M. Okamoto
"Preparation and characterization of DNA/allophane composite hydrogels",
Colloids and Surfaces B: Biointerfaces, 112, 429-434 (2013).
(136)T. Takeshita, Y. Matsuura, S. Arakawa, M. Okamoto
"Biomineralization of hydroxyapatite on DNA molecules in SBF: Morphological features and computer simulation", Langmuir, 29, 11975-11981, (2013).
(137)Y. Matsuura, F. Iyoda, S. Arakawa, B. John, M. Okamoto, H. Hayashi
"DNA adsorption characteristics of hollow spherule allophane nano-particles",
Materials Science and Engineering C, 33, 5079-5083, (2013)
2012
(121)F. Iyoda, S. Hayashi, S. Arakawa, M. Okamoto
"Synthesis and adsorption characteristics of hollow spherical allophane
nano-particles", Applied Clay Science, 56, 77-83 (2012)
(12B1)M. Okamoto
"Polylactide / Clay Nano-biocomposites" Chapter 4 in Environmental
Silicate Nano-biocomposites", Springer-Verlag London Limited, pp 77-118
(2012)
(122) Y. Ando, H. Sato, H. Shinzawa, M. Okamoto, I. Noda, Y. Ozaki
"Isothermal melt crystallization behavior of neat poly(L-lactide)
(PLLA) and PLLA / Organically Modified Layered Silicate (OMLS) nanocomposite
studied by Two-dimensional (2D) Correlation Spectroscopy", Vibrational
Spectroscopy, 60, 158-162 (2012)
2011
(111) November 2011 Newsletter of PPS (2011)
2010
(101)H. Hayashi, T. Mori, M. Okamoto, S. Yamasaki, H. Hayami
"Polyethylene Ionomer-based nano-composite foams prepared by a batch
process and MuCell(R) Injection molding", Mater. Sci. Eng. C, 30,
62-70 (2010)
(102) M. Kajino, T. Saito, M. Okamoto, H. Sato, Y. Ozaki,
"Nonisothermal order-disorder phase transition of alkylammonium ions
in nanoconfined space", Applied Clay Science, 48, 73-80 (2010)
(103) T. Saito, M. Okamoto
"Polypropylene-based nano-composite formation: Delamination of organically
modified layered fille via solid-state processing", Polymer, 51, 4238-4242
(2010)
(104) T. Ishisue, M. Okamoto, K. Tashiro
"Real-Time Investigation of Crystallization in Nylon 6-Clay Nano-composite
Probed by Infrared Spectroscopy", Polymer, 51, 5585-5591 (2010).
2009
(09B1) M. Okamoto
"Rheology in polymer/clay nano-composites: Mesoscale structure development
and soft glassy dynamics" in Emerging technologies: Nano and Nano/Bio
Composites, F. Hussain Eds., Taylor and Francis, pp57-78 (2009)
(091)Y. Katoh, M. Okamoto
"Crystallization controlled by layered silicates in nylon 6-clay nano-composite"
Polymer,50, 4718-4726 (2009)
(092) T. Mori, H. Hayashi, M. Okamoto, S. Yamasaki, H. Hayami
"Foam Processing of Polyethylene Ionomers with Supercritical CO2", Composites: Part A, 40, 1708-1716 (2009)
2008
(08B1) M. Okamoto, gBiodegradable Polymer-based Nanocomposites: Nanostructure
control and Nanocomposite Foaming with the Aim of Producing Nano-cellular
Plasticsh in Bio-inorganic hybrid Nanomaterials, E.Ruiz-Hitzky, K. Ariga,
Y.M. Lvov Eds., Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, pp 271-312
(2008)
(08B2) M. Okamoto, "Nano-structure Development and Foam Processing
in Polymer/Layered Silicate Nano-composites" in Chapter 6, Polymeric
Foams: Recent Development in Technology and Regilation, S. T. Lee Eds.,
Taylor and Francis (2008)
(081) Y.K. Kwon, Y. S. Ko, M. Okamoto, "Elongation Flow-induced Morphological
Change of a Diblock Copolymer Melt of Polystyrene and Poly(ethylene propylene)"
Polymer, 49, 2334-2341 (2008)
(082) M. Bitou, M. Okamoto, "Fabrication of porous 3-D structure from
poly(L-lactide)-based nano-composite foams. Effect of foam structure on
enzymatic degradation" Polym. Degrad. Stab., 93, 1081-1087 (2008)
(083) K. Asai, M. Okamoto, T. Tashiro "Crystallization Behavior of
Nano-Composite Based on Poly(vinylidene fluoride) and Organically Modified
Lyered Titanate" Polymer, 49, 4298-4306 (2008).
(084) T. Shigemori, M. Okamoto, S. Yamasaki, H. Hayami "Direct melt
neutrization and nano-structure of polyethylene ionomer-based nano-composites"
Composites: Part A, 39, 1924-1929 (2008)
(085) K. Asai, M. Okamoto, T. Tashiro "Real-Time Investigation of
Crystallization in Poly(vinylidene fluoride)-based Nano-Composites Probed
by Infrared Spectroscopy" Polymer, 49, 5186-5190 (2008)
2007
(07B1) M. Okamoto, "Polymer/Layered Filler Nanocomposites: An overview
from science to technology", Macromolecular Engineering. Precise Synthesis,
Materials Properties, Application, K. Matyjaszewski, Y. Gnanou, L. Leibler
eds., Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, 2071-2134 (2007).
(071) T. Saito, M. Okamoto, R. Hiroi, M. Yamamoto, T. Shiroi, "Poly(p-phenylenesulfide)-based
nano-composite formation: Dealmination of organically modified layered
filled via solid-state processing"; Polymer, 48, 4143-4151(2007)
(072) M. Bito, M. Okamoto,"Fabrication of porous 3-D structure from
poly(L-lactide)-based nano-composite foam via enzymatic degradation"
Interm. Polymer Processing, 22, 446-454 (2007)
2006
(061) J. Y. Nam, M. Okamoto, "Morphology and crystallization kitenics in
a mixture of low-molecular weight aliphatic amide and polylactide",
Polymer, 47(4), 1340-1347 (2006).
(062) O. Yoshida, M. Okamoto, "Direct Melt Intercalation of Polymer
Chains into Nano-Galleries: Interdigitated layer structure and interlayer
expansion", J Polym. Eng.,26 (8-9), 919-939 (2006).
(063) M. Okamoto, "Recent advances in polymer/layered silicate nanocomposites:
An overview from science to technology", Materials Science and Technology,
22(7), 756-779 (2006).
(064) F. Hussain, M. Okamoto, R. E. Gorga, gPolymer Matrix Nanocomposites, Processing manufacturing
and application: An Overviewh J. Comp Mater., 40(17), 1511-1574 (2006).
(065) O. Yoshida, M. Okamoto, gDirect Melt Intercalation of Polylactide
Chains into Nano-Galleries: Interlayer expansion and nanocomposite structureh
Macromole. Rappid Commun. 27, 751-757 (2006)
(066) Y. Ito, M. Yamashita, M. Okamoto, gFoam Processing and Cellular Structure of Polycarbonate-based Nanocompositesh
Macromole. Mater. Eng., 291, 773-783 (2006).
(067) Y. Ema, M. Ikeya, M. Okamoto, gFoam Processing and Cellular Structure of Polylactide-based Nanocompositesh Polymer, 47(15), 5350-5359(2006)
(068) T. Saito, M. Okamoto, R. Hiroi, M. Yamamoto, T. Shiroi, "Dealmination
of Organically Modified Layered Filler via Solid-State Processing"
Macromole. Rapid Commun. 27, 1472-1475 (2006).
(069) T. Saito, M. Okamoto, "Intercalation of diphenyl sulfide into nanao-galleries
and preparation of poly(p-phenylenesulfide)-based nano-composites",
Macromole. Mater. Eng., 291, 1367-1374 (2006).
(0610) M. Okamoto, "Polymer/Layered Silicate Nano-composites - Sturucture
Development and Processing Operations; Intern. Polymer Processing XXI,
5, 487-496 (2006).
(0611) S. Sinha Ray, K. Okamoto, M. Okamoto, "Structure and Properties
of Nanocomposites Based on Poly(butylene succinate) and Organically Modified
Montmorillonite"; J. Apply. Polym. Sci., 102, 777-785 (2006).
2005
(05B1) M. Okamoto, "Biodegradable Polymer/Layered Silicate Nanocomposites:
A Review" Handbook of Biodegradable Polymeric Materials and Their
Applications, S.K. Mallapragada eds, American Scientific Publishers, California,
USA. (2005).
(05B2) M. Okamoto, gRecent Advances in Polymer/Layered Silicate Nanocomposites:
An overview from science to technologyh in Processing and Properties of
Nanocomposites, S. G. Advani Ed., World Scientific & Imperial College
Press, London (2005)
2004
(04B1) M. Okamoto, S. Sinha Ray, "Polymer/Clay Nanocomposites"
Encyclopedia of Nanoscience and Nanotechnology, H. S. Nalwa Eds, American
Scientific Publish, USA. (2003). (ISBN: 1-58883-064-0)
(041)P. Maiti, M. Okamoto,"Structural Development in Cycloolefin Copolymers
Under Uniaxial Elongational Flow'' J of Apply Polym. Sci., 91, 3421-3427
(2004).
(042)R.Hiroi, S.Sinha Ray, M.Okamoto, T.Shiroi, "Organically Modified
Layered Titanate: A New Nanofiller to Improve the Performance of Biodegradable
Polylactide" Macromol. Rapid Commun., 25(15), 1359-1364 (2004).
(043)K. Taki, T. Yanagimoto, E. Funami, M. Okamoto, M. Ohshima, "Visual
Observation of CO2 Foaming of Polypropylene-Clay Nanocomposites" Polym. Eng. Sci., 44(6),
1004-1011 (2004).
(044)M.Okamoto,"Biodegradable Polmer/Layered Silicate Nanocomposites:
A Review" J. Ind. Eng. Chem., 10(7), 1156-1181 (2004).
2003
(031) Y. Kobori, Y. K. Kwon, M. Okamoto, "Elongation of Triblock Copolymer
Melt: Elongation Flow Opto-Rheometry and Small Angle X-ray Scattering Study"
Macromolecules, 36(5), 1656-1664(2003).
(032) S. S. Ray, K. Yamada, K. Ueda, M. Okamoto, "New Polylactide-Layered
Silicate Nanocomposite2: Concurrent Improvement of Materials Properties,
Biodegradability and Melt Rheology" Polymer, 44, 857-866 (2003).
(033) P. Maiti, M. Okamoto, "Crystallization Control via Silicate
Surface in Nylon 6-Clay Nanocomposites" Macromol. Mater. Eng., 288,
440-445 (2003).
(034) S. Sinha Ray, K. Okamoto, M. Okamoto, "Structure-Property Relationship
in Biodegradable Poly(butylenes succinate)/Layered Silicate Nanocomposites"
Macromolecules, 36(7), 2355-2367 (2003).
(035)S. Sinha Ray, K. Yamada, M. Okamto, A. Ogami, K. Ueda, "New Polylactide/Layered
Silicate Nanocomposites.3. High-Performance Biodegradable Materials"
Chem. Mater., 15(7), 1456-1465 (2003).
(036)S. Sinha Ray, K. Yamada, M. Okamoto, K. Ueda, "Control of Biodegradability
of Polylactide via Nanocomposite Technilogy" Macromol. Mater. Eng.,
288(3), 203-208 (2003).
(037)Y. Fujimoto, S. Sinha Ray, M. Okamoto, A. Ogami, K. Yamada, K. Ueda,
"Well-Controlled Biodegradable Nanocomposite Foams: From Microcellular
to Nanocellular" Macromol. Rapid Commun., 24(7), 457-461 (2003).
(038)S.Sinha. Ray, K. Yamada, M. Okamoto, A. Ogami, K. Ueda, "New
Polylactide /Layered Silicate Nanocomposites. 4. Strucuture, Properties
and Biodegradability" Composite Interfaces, 10(4-5), 435-450 (2003).
(039)K. Okamoto, S. Sinha Ray, M. Okamoto, "New Poly(butylenes succinate)/Layered
Silicate Nanocomposites. 2. Effect of Organically Modified Layered Silicates
on Structure, Properties, Melt Rheology, and Biodegradability" J.
Polym. Sci. Part B Polym. Phys., 41, 3160-3172 (2003).
(0310)M. Mitsunaga, Y. Ito, M. Okamoto, S. Sinha Ray, K.Hironaka, "Intercalated
Polycarbonate/Clay Nanocomposites: Nanostructure Control and Foam Processing"
Macromal. Mater. Eng., 288(7), 543-548 (2003).
(0311)S. Sinha Ray, K. Yamada, M. Okamoto, K. Ueda, "Biodegradable
Polylactide/ Montmorillonite Nanocomposites" J. Nanosci. and Nanotech.,
3(6), 503-510(2003).
(0312)S. Sinha Ray, M. Okamoto, "Polymer/Layered Silicate Nanocomposites:
A Review from Preparation to Processing" Progress in Polym. Sci.,
28(11), 1539-1641(2003).
(0313)S. Sinha Ray, K. Yamada, M. Okamoto, Y. Fujimoto, A. Ogami, K. Ueda,
"New Polylactide/Layered Silicate Nanocomposites.5. Designing of Materials
with Desired Properties" Polymer, 44, 6633-6646(2003).
(0314)S. Sinha Ray, M. Okamoto, "New Polylactide/Layered Silicate
Nanocomposites, 6a Melt Rheology and Foam Processing " Macromol. Mater. Eng.,288(12),
936-944(2003).
(0315)J. Y. Nam, S Sinha Ray, M. Okamoto, "Crystallization Behavior
and Morphology of Biodegradable Polylactide/Layered Silicate Nanocomposite"
Macromolecules, 36, 7126-7131(2003).
(0316)S. Sinha Ray, M. Okamoto, "Biodegradable Polylactide and Its
Nanocomposites : Opening a New Dimension for Plastics and Composites"
Macromol. Rapid Commun., 24(14), 815-840 (2003).
(03B1) M. Okamoto, "Polymer/Layered Silicate Nanocomposites"
Rapra Review Report, No.163, Rapra Tech. Ltd., UK. (2003). (ISBN: 1-85957-391-6)
2002
(021) P. Maiti, P. H. Nam, M. Okamoto, "Influence of Crystallization
on Intercalation, Morphology and Mechanical Properties of Polypropylene/Clay
Nanocomposites" Macromolecules, 35(6), 2042-2049 (2002).
(022) S. S. Ray, P. Maiti, M. Okamoto, K. Yamada, K. Ueda, "New Polylactide/Layered
Silicate Nanocomposites. 1. Preparation, Characterization, and Properties"
Macromolecules, 35(8), 3104-3110 (2002).
(023) S. S. Ray, K. Okamoto, P. Maiti, M. Okamoto, "New Poly(Butylene
Succinate)/Layered Silicate Nanocomposites: Preparation and Mechanical
Properties" J. Nanosci. Nanotech., 2, 171-176 (2002).
(024) S. S. Ray, K. Okamoto, K. Yamada, M. Okamoto, "Novel Porous
Ceramic Material via Burning of Polylactide/Layered Silicate Nanocomposite"
Nanoletters, 2(4), 423-425 (2002).
(025) P. H. Nam, M. Okamoto, P. Maiti, T. Kotaka, T, Nakayama, M. Takada,
M. Ohshima, N. Hasegawa, A. Usuki, "Foam Processing and Cellular Structure
of Polypropylene/Clay Nanocomposites" Polym. Eng. Sci., 42(9), 1907-1918
(2002).
(026) P. Maiti, P. H. Nam, M. Okamoto, T. Kotaka, N. Hasegawa, A. Usuki,
"The Effect of Crystallization on the Structure and Morphology of
Polypropylene/Clay Nanocomposites " Polym. Eng. Sci., 42(9) 1864-1871
(2002).
(027) S. S. Ray, K. Yamada, K. Ueda, M. Okamoto, "Polylactide-Layered
Silicate Nanocomposite: A Novel Biodegradable Material" Nano Letters,
2 (10), 1093-1096 (2002).
(028) P. Maiti, M. Okamoto, K. Yamada, K. Ueda, K. Okamoto, "New Polylactide
-Layered Silicate Nanocomposite: Role of Organoclay" Chem. Mater.,
14(11), 4654-4661 (2002).
(029) S. S. Ray, K. Yamada, K. Ueda, M. Okamoto, A. Ogami, "New Polylactide/
Layered Silicate Nanocomposite: Nanoscale Control Over Multiple Properties"
Macromol Rapid Commun., 23(16), 943-947 (2002).
2001
(011) M. Okamoto, S. Morita, Y. H. Kim, T. Kotaka, H. Tateyama, "Dispersed
Structure Change of Smectic Clay/Poly(methyl methacrylate) Nanocomposites
by Copolymerization with Polar Comonomers " Polymer, 42, 1201-1206
(2001).
(012) T. Kotaka, M. Okamoto, A. Kojima, Y. K. Kwon, S. Nojima, "Elongational
Flow-Induced Morphology Change of Block Copolymers. Part 1. A Polystyrene-Block-
Poly(Ethylene-Butylene)-Block-Polystyrene- Block-Poly (Ethylene-Butylene)
Tetrablock Copolymer with Polystyrene Spherical Microdomains " Polymer,
42, 1207-1217 (2001).
(013) T. Kotaka, M. Okamoto, A. Kojima, Y. K. Kwon, S. Nojima, "Elongational
Flow-Induced Morphology Change of Block Copolymers. 2. A Polystyrene-Block
-Poly (Ethylene-Butylene)-Block-Polystyrene Triblock Copolymer with Cylindrical
Microdomains " Polymer, 42, 3223-3231 (2001).
(014) M. Okamoto, S. Morita, T. Kotaka, "Dispersed Structure and Ionic
Conductivity of Smectic Clay/Polymer Nanocomposites" Polymer, 42,
2685-2688 (2001).
(015) P. Maiti, M. Okamoto, T. Kotaka, "Elongational Flow Birefringence
of Ethylene-Tetracyclododecene Copolymer" Polymer, 42, 3939-3942 (2001).
(016) M. Okamoto, P. H. Nam, P. Maiti, T. Kotaka, N. Hasegawa, A. Usuki,
"A House of Cards Structure in Polypropylene/Clay Nanocomposites under
Elongational Flow" Nanoletters, 1(6), 295-298 (2001).
(017) P. Maiti, M. Okamoto, T. Kotaka, "Flow Birefringence and strain-induced
Hardening of Cycloolefin Copolymers under Elongational Flow" Polymer,
42, 9827-9835 (2001).
(018) P. H. Nam, M. Okamoto, P. Maiti, T. Kotaka, N. Hasegawa, A. Usuki,
"A Hierarchical Structure and Properties of Intercalated Polypropylene/Clay
Nanocomposites" Polymer, 42, 9633-9640 (2001).
(019) M. Okamoto, P. H. Nam, P. Maiti, T. Kotaka, T, Nakayama, M. Takada,
M. Ohshima, N. Hasegawa, A. Usuki, H. Okamoto, "Biaxial Flow-Induced
Alignment of Silicate Layers in Polypropylene/Clay Nanocomposite Foam"
Nano Letters, 1(9), 503-505 (2001).
2000
(001) M. Okamoto, S. Morita, H. Taguchi, Y. H. Kim, T. Kotaka, H. Tateyama,
"Synthesis and Structure of Smectic Clay/Poly(methyl methacrylate)
and Clay/ Polystyrene Nanocomposites via In-Situ Intercalative Polymerization"
Polymer, 41, 3887-3890 (2000).
(002) Y. H. Kim, M. Okamoto, T. Kotaka, T. Ougizawa, T. Tchiba, T. Inoue,
"Phase structure Development in Poly (styrene-co-acrylonitrile)/Poly(methyl
methacrylate) Blend under Elongational Flow" Polymer, 41, 4747-4749
(2000).
(003) S. Wang, A. Makinouchi, M. Okamoto, T. Kotaka, M. Maeshima, N. Ibe,
T. Nakagawa, "Viscoplastic Material Modeling for the Stretch Blow
Molding Simulation" Int. Polym. Proc., 15 (2), 166-175 (2000).
(004) M. Okamoto, H. Taguchi, H. Sato, T. Kotaka, H. Tateyama, "Dispersed
Structure and Rheology of Lipophilized-Smectite/Toluene Suspensions"
Langmuir, 16(9), 4055-4058 (2000).
(005) Y. H. Kim, M. Okamoto, T. Kotaka, "Development of Quenched Phase-separated
Structure in Poly(styrene-co-acrylonitrile)/Poly(methyl methacrylate) Blend
under Elongation " Macromolecules, 33(22), 8113-8116 (2000).