(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).

 

(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" Nanoletters, 1(9), 503-505 (2001).

(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" Nanoletter, 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).

(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, 6^a 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)

(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).





(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, “Recent Advances in Polymer/Layered Silicate Nanocomposites: An overview from science to technology” in Processing and Properties of Nanocomposites, S. G. Advani Ed., World Scientific & Imperial College Press, London (2005)

 

Selected Publications from 2000