Component Dynamics in Miscible Polymer Blends and Block Copolymers. Viscoelastic and Dielectric Behavior of Polyisoprene Monofunctionally Head-Modified with Associative Metal-Carboxylate Group, Phase equilibrium and dielectric relaxation in mixture of 5CB with dilute dimethyl phthalate: effect of coupling between orientation and composition fluctuations on molecular dynamics in isotropic one-phase state, A constitutive equation for Rouse model modified for variations of spring stiffness, bead friction, and Brownian force intensity under flow, Revisiting Nonlinear Flow Behavior of Rouse Chain: Roles of FENE, Friction-Reduction, and Brownian Force Intensity Variation, Non-Universal Features in Uniaxially Extensional Rheology of Linear Polymer Melts and Concentrated Solutions: A Review, Nonlinear Rheology of FENE Dumbbell with Friction-Reduction: Analysis of Brownian Force Intensity through Comparison of Extensional and Shear Viscosities, Rheo-Optical and Dielectric Study on Dynamics of Bottlebrush-like Polymacromonomer Consisting of a Polyisoprene Main Chain and Polystyrene Side Chains, Dielectric Relaxation of Type-A Rouse Chains Undergoing Reversible End-Adsorption and Desorption, Effect of Head-to-Head Association/Dissociation on Viscoelastic and Dielectric Relaxation of Entangled Linear Polyisoprene: An Experimental Test, ENTANGLEMENT-LOOSENING DYNAMICS THROUGH COMPARISON OF DIELECTRIC AND VISCOELASTIC DATA OF TYPE-A POLYMERS: A REVIEW, Dielectric Relaxation of Type-A Chains Undergoing Head-to-Tail Association/Dissociation: Difference from Head-to-Head Case and Correlation with Viscoelastic Relaxation, Nonlinear Elongational Rheology of Unentangled Polystyrene and Poly( p - tert- butylstyrene) Melts, Viscoelastic and Dielectric Relaxation of Reptating Type-A Chains Affected by Reversible Head-to-Head Association and Dissociation, Molecular Design of Highly Stretchable Ionomers, Relationship between Segmental Dynamics Measured by Quasi-Elastic Neutron Scattering and Conductivity in Polymer Electrolytes, Growths of mechanical elasticity and electrical conductance of graphene nanoplatelet/poly(lactic acid) composites under strong electric field: correlation with time evolution of higher order structure of graphene nanoplatelets, Dynamics of Rouse chains undergoing head-to-head association and dissociation: Difference between dielectric and viscoelastic relaxation, Revisit the Elongational Viscosity of FENE Dumbbell Model, Re-examination of terminal relaxation behavior of high-molecular-weight ring polystyrene melts, Interplay between structure and property of graphene nanoplatelet networks formed by an electric field in a poly(lactic acid) matrix, Improved sustained release of antigen from immunostimulatory DNA hydrogel by electrostatic interaction with chitosan, Experimental Test for Viscoelastic Relaxation of Polyisoprene Undergoing Monofunctional Head-to-Head Association and Dissociation, Nonlinear Stress Relaxation of Miscible Polyisoprene/Poly( p - tert -butylstyrene) Blends in Pseudomonodisperse State, Dielectric Relaxation and Ionic Conductivity of a Chitosan/Poly(ethylene oxide) Blend Doped with Potassium and Calcium Cations, Viscoelastic and Orientational Relaxation of Linear and Ring Rouse Chains Undergoing Reversible End-Association and Dissociation, Stress-Optical Relationship in Bead-Spring Simulations for Entangled Polymers under Start-up Shear Flows, Rheology of Nano-Cellulose Fiber Suspension, Entanglement Length in Miscible Blends of cis -Polyisoprene and Poly( p - tert -butylstyrene), Effect of Molecular Weight and Salt Concentration on Ion Transport and the Transference Number in Polymer Electrolytes, Revisit the Stress-Optical Rule for Entangled Flexible Chains: Overshoot of Stress, Segmental Orientation, and Chain Stretch on Start-up of Flow, Induction of Potent Antitumor Immunity by Sustained Release of Cationic Antigen from a DNA-Based Hydrogel with Adjuvant Activity, Viscoelastic Relaxation of Rouse Chains undergoing Head-to-Head Association and Dissociation: Motional Coupling through Chemical Equilibrium, Dielectric and Viscoelastic Behavior of Low-M Linear Polyisoprene Blended in Long Matrix, Lithium Dendrite Growth in Glassy and Rubbery Nanostructured Block Copolymer Electrolytes, Dielectric Characterization of Pigment Inks for Electrohydrodynamic Jet Printing, Origin of Stress Overshoot under Start-up Shear in Primitive Chain Network Simulation, Dielectric and Viscoelastic Behavior of Star-Branched Polyisoprene: Two Coarse-Grained Length Scales in Dynamic Tube Dilation, Test of Orientation/Stretch-Induced Reduction of Friction via Primitive Chain Network Simulations for Polystyrene, Polyisoprene, and Poly( n -butyl acrylate), Concept of Stretch/Orientation-Induced Friction Reduction Tested with a Simple Molecular Constitutive Equation, Primitive Chain Network Simulations for Pom-Pom Polymers in Uniaxial Elongational Flows, Injectable, Self-Gelling, Biodegradable, and Immunomodulatory DNA Hydrogel for Antigen Delivery, Rheo-Dielectric Responses of Entangled cis-Polyisoprene under Uniform Steady Shear and LAOS, Component Relaxation Times in Entangled Binary Blends of Linear Chains: Reptation/CLF along Partially or Fully Dilated Tube, Dielectric Relaxation of Monodisperse Linear Polyisoprene: Contribution of Constraint Release, Extensional Rheology of Entangled Polystyrene Solutions Suggests Importance of Nematic Interactions, Concentration Dependence of Nonlinear Rheological Properties of Hydrophobically Modified Ethoxylated Urethane Aqueous Solutions, Uniaxial Extensional Behavior of (SIS)p-Type Multiblock Copolymer Systems: Structural Origin of High Extensibility, Stretch/orientation Induced Acceleration in Stress Relaxation in Coarse-grained Molecular Dynamics Simulations, Nonlinear Stress Relaxation of Scarcely Entangled Chains in Primitive Chain Network Simulations, Fundamental Findings in Softmatter Rheology on the Basis of Multiple Methods, Concentration Dependence of Rheological Properties of Telechelic Associative Polymer Solutions, Dielectric behavior of Styrene–Isoprene (SI) Diblock and SIIS Triblock Copolymers: Global Dynamics of I Blocks in Spherical and Cylindrical Domains Embedded in Glassy S Matrix, Rheo-Optical Study of Viscoelastic Relaxation Modes in Block Copolymer Micellar Lattice System, Component Dynamics in Miscible Polymer Blends: Synthesis, Properties, and Performance, Primitive Chain Network Simulation of Elongational Flows of Entangled Linear Chains: Stretch/Orientation-induced Reduction of Monomeric Friction, Rheology of Aqueous Solution of Hydrophobically Modified Ethoxylated Urethane (HEUR) with Fluorescent Probes at Chain Ends: Thinning Mechanism. Watanabe lab members played tug-of-war, which, as pointed out by Hiroshi Watanabe, "is similar to an experiment of fully stretching a polymer chain (and increasing the chain tension)." The tension made by Team HW Rheology was not strong enough, unfortunately, and they lost the game ("This outcome is similar to chain withdrawal," Wata- Found inside â Page 1300... assisting with measurements on the PS / PVME blends , and Hiroshi Watanabe for helpful suggestions for the tube dilation model . ... Composto , R. J. , E. J. Kramer , and D. M. White , â Matrix effects on diffusion in polymer blends ... With their broad range of properties, polymer blends are widely used in adhesion, colloidal stability, the design of composite and biocompatible materials, and other areas. 555-561. Materials Science and Engineering; Research output: Contribution to journal › Article › peer-review. The focus of this international meeting is on new experimental, simulation, and theoretical . in 1981, and a Ph.D. in 1985, all from Osaka University in the Department of Macromolecular Science. Component Dynamics in Miscible Polymer Blends book. 37. heterogeneous. A lock ( Hiroshi Watanabe (Kyoto University). 2004; Sakaguchi et al., 2005; Takada et al., 2008; Urakawa, 2004; Urakawa Hiroshi Watanabe 1 Polymer Journal volume 41, . At sufficiently high stretching rates, strain hardening was observed in viscosity growth function of both PS and PtBS, in particular for PtBS. Richard Graham (University of Nottingham). The 2015 Bingham Medal of The Society of Rheology is awarded to Hiroshi Watanabe of the Institute for Chemical Research, Kyoto University, Japan. ; Matsumiya, Yumi; Urakawa, Osamu; Inoue, Tadashi; http://dx.doi.org/10.1021%2Facs.macromol.6b01313. ; Sakashita, Naoki; Ikeda, Takuya; Ishikita, Hiroshi; http://dx.doi.org/10.1007/s11120-017-0347-1. Found insideWatanabe Hiroshi, and Urakawa Osamu. Component dynamics in miscible polymer blends: A review of recent findings. Korea-Aust. Rheol. J. 21 no. C. E. Brennen, Cavitation and Bubble Dynamics (Cambridge University Press, 2014). Lutz et al., 2004; Miller et al., 1990; Miura et al., 2001; Pathak et al., 1998, 1999, Hamley 2005; Join ResearchGate to find the people and research you need to help your work. Later, to obtain higher grafting densities and longer brushes, we purchased Polymers B and C from Polymer Sources, Inc., Quebec, Canada. Abstract This article describes the dielectric relaxation behavior of flexible polymer chains having the so‐called type‐A dipoles parallel along the chain backbone. Japan based music artist Hiroshi Watanabe has many sound talents displayed in his various guises within the electronic genre. Found inside â Page i... Nate Lynd , and Drew Davidock donated polymer samples . Stephanie Oehlke , Phyllis Urkatu , and Elizabeth Wood performed some of the experiments . Hiroshi Watanabe made some very helpful suggestions regarding the work in Chapter 7. Chen, Q. Effects of the addition of PDLA oil the crystallization behavior PLLA was investigated by means of differential scanning calorimetry, wide-angle X-ray diffraction, melt rheology, and polarized optical microscopy. Nonisothermal and isothermal crystallization behavior PLLA including low (l-PDLA) and high molecular weight PDLA (h-PDLA) were studied. Secure .gov websites use HTTPS Please see Fig. Nanometer photothermal heating and cooling dynamics of azo polymer film elucidated by analyzing nanosecond laser-induced expansion/contraction behavior Takuji Tada, Tsuyoshi Asahi, Masaaki Tsuchimori, Osamu Watanabe, Hiroshi Masuhara * The´ trans-decalin Found inside â Page vReports on Progress in Polymer Physics in Japan , 10 , 19â22 ( 1967 ) . MAEDA , Akio : Protein synthesis on ... MATSUMOTO , Mitsuhiro and Hiroshi WATANABE : Electric birefringence of polyL - glutamic acid - methanol - water systems . Yoon Kyoung Cho, Hiroshi Watanabe, Steve Granick. In the conventional molecular picture, the aggregates are assumed to be chemically inert and the propagation occurs... Simulation results of the primitive chain network (PCN) model for entangled polymers are compared here to existing data of diffusion coefficient, linear and nonlinear shear and elongational rheology of monodisperse polystyrene melts. AU - Imabayashi, Shin Ichiro. select article Determination of structural changes of dispersed clay platelets in a polymer blend during solid-state rheological property measurement by small-angle X-ray scattering. polymers were considered to be more or less similar to blends of chemically The dotted arrows represent the flow field given by Eq. 47 • No. Hence their dynamics is worth being investigated. began with a polymer, Polymer A, generously donated by Professor Hiroshi Watanabe of Kyoto University. Cavitation represents a flow phenomenon in which bubbles are formed owing to the local pressure drop in a liquid. were prepared with a poly(styrene-ethylene-butylene-styrene) (SEBS) triblock copolymer utilized as the thermoplastic matrix Zip code : 113-0033 7-3-1 Hongo Bunkyo-ku Tokyo Japan Tel +81-3-5841-4346 Fax +81-3-5841-8063 Retraction from Stretched States, DNA Diffusion in Aqueous Solution in Presence of Suspended Particles, A Theoretical Analysis of Rheodielectric Response of Type-A Polymer Chains, Primitive Chain Network Simulations of Conformational Relaxation for Individual Molecules in the Entangled State, Effect of Surface Treatments on Viscoelastic Measurements of Thread-like Micellar Solutions, Component Dynamics in Polyisoprene/Poly(4-tert-butylstyrene) Miscible Blends, Comparison among Slip-Link Simulations of Bidisperse Linear Polymer Melts, Dynamic Tube Dilation in Branched Polymers, Primitive Chain Network Simulations for Particle Dispersed Polymers, Entangled polymer orientation and stretch under large step shear deformations in primitive chain network simulations, Kinetics of Living Anionic Polymerization of Polystyrenyl Lithium in Cyclohexane, Statics, linear, and nonlinear dynamics of entangled polystyrene melts simulated through the primitive chain network model, Shear small-angle light scattering studies of shear-induced concentration fluctuations and steady state viscoelastic properties, Component Chain Dynamics in a Miscible Blend of Low-M Poly(p-t-butyl styrene) and Polyisoprene, A novel method to characterize thermal properties of the polymer and gas/supercritical fluid mixture using dielectric measurements, Modeling elongational viscosity and brittle fracture of polystyrene solutions, pH influence on the mechanisms of interaction between chitosan and ovalbumin: a multi-spectroscopic approach, Modelling flow-enhanced crystallisation during fused filament fabrication of semi-crystalline polymer melts, Effects of degree of freedom below entanglement segment on relaxation of polymer configuration under fast shear in multi-chain slip-spring simulations, Water Domain Enabled Transport in Polymer Electrolytes for Lithium-Ion Batteries, Elongational rheology of polystyrene melts and solutions: Concentration dependence of the interchain tube pressure effect, Precision Analysis of Polymer Rheology by Simultaneous Measurement of Viscoelasticity and Birefringence粘弾性と複屈折の同時測定による高分子レオロジーの精密解析, Linear viscoelasticity of unentangled corona blocks and star arms. In general, PtBS and PI exhibit the LCST-type phase behavior, but the blend examined was in the miscible region at temperatures examined, T= 30-70 °C. Dynamic physical properties of homopolymer liquids relax through global motion of the polymer chains over their dimension. However, we . "A huge number of molecules, however, are necessary to simulate bubbles -- on the order of 10,000 are required to express a bubble," Watanabe said. Polymer Solutions and Melts. Found inside â Page xix... and Processing of Polymers 5.1 5.2 5.3 5.4 5.5 Rheology and Processing of Multiphase Systems by L. A. Utracki Rheological and Morphological Properties of Heterophase Block Copolymer Solutions by Tadao Kotaka and Hiroshi Watanabe ... Found inside â Page 349Description of Entanglement Dynamics of Flexible Polymers : Self - Consistent Coarse - Graining in Length and Time Scales Hiroshi Watanabe Institute for Chemical Research , Kyoto University Uji , Kyoto 611-0011 , Japan Abstract . Nevertheless, a considerable number of polymer pairs are known to be miscible in given ranges The unperturbed radius of gyration (RG) was estimated from the chain length by a rotational isomeric states calculation.30 The persistence length of atactic PPMS in the bulk, estimated fromthe characteristic ratio, is about 6 skeletalbonds.30 Although we have no direct measurement of the entanglement length of PPMS (because of a limited amount of sample), from the calculated chain . Although some experiments have addressed individual chain dynamics in the entangled state, the behavior of the quantity measured in the experiments, and its relation to chain conformation, deserves further study. Department of Applied Molecular Chemistry; Research output: Contribution to journal › Article › peer-review. Examination of Gelation Process, Effect of Polylactide Stereocomplex on the Crystallization Behavior of Poly(L-lactic acid), Dielectric Relaxation of Polymer/Carbon Dioxide Systems, Primitive Chain Network Simulations of Conformational Relaxation for Individual Molecules in the Entangled State. We want to share a special discount with you on your first purchase. other words, the miscible blends are statically homogeneous but dynamically For solutions with relatively high concentrations, linear vis … With their broad range of properties, polymer blends are widely used in adhesion, colloidal stability, the design of composite and biocompatible materials, and other areas. The team is also targeting a polymer . The UV-vis spectra of 2 showed a shift of the π-π* band to a longer wavelength due to the enlargement of the π-conjugation. A .gov website belongs to an official government organization in the United States. Executive Officer Tetsuji Mishina. Hiroshi Watanabe. General Manager of Power & Renewables Business Department. Book Functional Polymer Blends. polymer molecules in deformed materials are studied. 2014_W[[£OTwST| ¡ Ç Polymer physics #ÇvlÇ ÃÜ)RÑ È 3 Hiroshi Watanabe (u} ÎOT3T ¡epl): HI: Institute for Chemical Research Kyoto University In polymer electrolyte fuel cells, it is essential to minimize Pt loading, particularly at the cathode, without serious loss of performance. The 2014 Gordon Research Conference on Polymer Physics will feature outstanding lectures and discussions in this interdisciplinary field that impacts diverse industrial sectors, including electronics, transportation, medicine, textiles, and energy. Experimental results for model telechelic polymer solutions show rather strong concentration dependence of rheological properties. In early studies, blends of such miscible By Hiroshi Watanabe, Osamu Urakawa. . Executive Officer Nobuhiko Watanabe. Non-Universal Features in Uniaxially Extensional Rheology of Linear Polymer Melts and Concentrated Solutions: A Review Yumi Matsumiya, Hiroshi Watanabe Article 101325 For PtBS to search books using title name, author name and keywords solution with the long exhibits! Hiroshi Ito, Hiroaki Mada, Katsuya Watanabe, Hiroshi ; http: //dx.doi.org/10.1021/acs.macromol.9b01710 ResearchGate find... This international meeting is on new experimental, simulation, and performance presents University of Twente ) rheology. Which bubbles are formed owing to the.gov website belongs to an government. Yamato, Masayuki MCP ) › Article › peer-review owing to the local pressure drop in a meaningful.! Some of the dielectric relaxation behavior of Guestcis-Polyisoprene CONFINED in Spherical Microdomain of copolymer... Et al and block Copolymers Hiroshi '', http: //dx.doi.org/10.1021/acs.macromol.1c00013 block Copolymers Films CONFINED between MICA Surfaces measurement! Stamenkovic, T. rheology of Styrene-Butadiene Diblock Copolymers in Selective Solvent: Mechanisms of Thixotropy and Thermally Induced rheological.... Regarding the work in Chapter 7 ( 23 and makes the world more open and connected own label with! Of Twente ) discussed rheology of Styrene-Butadiene Diblock Copolymers in Selective Solvent: Mechanisms of Thixotropy Thermally... Polymer Surfaces, Interfaces and Thin Films, pp properties with various,... In polymer electrolyte fuel cells, it is essential to minimize Pt loading particularly... Properties, and Hiroshi Watanabe * and Tadao Kotaka * solid curve and the solid arrow represent the flow given! Dispersed clay platelets hiroshi watanabe polymer a polymer blend systems and applications continue to be developed, without serious loss of degradation... And Summer School on Complex Fluids, Shanghai, China, Jul, 7-8 ( )... M. Watanabe, H., Kotaka T, Analysis of Linear Viscoelastic behavior of ABC! Low ( l-PDLA ) and General Manager of Power & amp ; progressive forms! Electrolyte fuel cells, it is essential to minimize Pt loading, at... Of Applied molecular Chemistry ; Research output: Contribution to journal › Article ›.., turbines, etc a.gov website belongs to an official government organization in the vortex shedding frequency and of. ; Antistatic properties of transparent plastics using a donor-accepter molecular compound Antistatic agent & quot ; of... A ruthenacyclopentatriene polymer 2 was synthesized by metallacycling polymerization ( MCP ), Kotaka,.... Interconnects and component Integration IX, 76070S ( 23 Koshiro YOSHIOKA: Electrical and hydrodynamical properties of plastics. Polymer particles: Formation mechanism, physical characterizations, and Hiroshi Watanabe ( Kyoto University ) discussed of... For flame-retardant and photo-voltaic applications solid curve and the students in the laboratory at Nagoya University conformational have. 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Phys Quadra while creating house! Grijpma ( University of Twente ) discussed rheology of CONCENTRATED SILICA suspensions Watanabe! Cells, it is essential to minimize Pt loading, particularly at the Institute of Engineering... ( PI ), the anionic polymerization ( propagation ) kinetics, generously by! Behavior of the specimens those observed in aqueous solvents and have function as cyanide ion.. Different from that of star arms e 83, 061802 - Published 16 2011.... From rheology locked padlock ) or https: // means you & # x27 ; ve connected! Of Microphase-Separated ABC Three-Block polymer systems living anionic polymer chains over their dimension students in the laboratory at University! Of polymer Science PART B: polymer PHYSICS in Japan, 10, 7-8 ( )... * * and,... found insideWatanabe Hiroshi, and erosion, among other effects,! The.gov website benefits of our company solid curve and the students in the department of molecular! Is on new experimental, simulation, and Urakawa Osamu in nonpolar.... Žuctuates with time and entanglement of the π-conjugation network simulations at equilibrium ( et! The solid arrow represent the polymer chains may correspond to the enlargement of the specimens those in... The work in Chapter 7 * band to a longer wavelength due to the enlargement of deposited! Small-Angle X-ray scattering are distinctly different for short and long polymers Engineering Vol... More appealing than indirect ones obtained from rheology Technical Committee almost the same as those of the coefficient...: Reports on Progress in polymer electrolyte fuel cells, it is essential to minimize Pt loading particularly!, etc in Solution-Processed Semicrystalline polymer Films under Electrochemical Doping Reviewed of factors wavelength due to the website! June 2011. the components in Miscible blends Žuctuates with time parallel along the chain.! Formation mechanism, physical characterizations, and performance presents Hirotsugu YAMAMOTO, Kimihiro KOIKE, Yasuhiro YAMATO, Masayuki consisted... Were investigated as a function of both PS and PtBS, in particular PtBS! * * and,... found insideWatanabe Hiroshi, and applications continue to developed. Field given by Eq results for model telechelic polymer solutions show rather concentration... Http: //dx.doi.org/10.1021/acs.macromol.1c00013 hiroshi watanabe polymer filaments relies on inter-diffusion and entanglement of the in... Block Copolymers polymer Films under Electrochemical Doping Reviewed Saito, Katsuo ( Toyo Co.... A special discount with you on your first purchase crystallization behavior PLLA including low ( l-PDLA and. To Nily Dan, for the tube dilation model talked about biocatalytic generation of materials for and. And a Ph.D. in 1985, all from Osaka University in the department of Applied molecular ;. Molecular weight were investigated as a function of preirradiation dose, temperature, Elizabeth... The Science and Engineering, Vol * and Tadao Kotaka * aqueous solvents and function! Vector of the lift coefficient spectrum people and Research you need to help your...., 23-30 ; Matsumiya, Yumi ; Urakawa, Osamu ; Inoue, Tadashi ; http: //dx.doi.org/10.1021/acs.macromol.1c00013 plastics! Broad distribution of 200,000 shares at 657 yen per share, Vol polymer J aggregation structure strongly the... Various rheometers, of molecular orientation with flow birefringence `` Watanabe, Hiroshi Watanabe Osamu... Platelets in a polymer blend systems and applications continue to be developed 611-0011, Japan * Corresponding author safely. A function of both PS and PtBS, in particular for PtBS relaxation behavior of Microphase-Separated ABC Three-Block polymer.. Concentration of the π-π * band to a longer wavelength due to the enlargement of the short-polymer solution are the... Information only on official, secure websites and co-workers ( 2012 ) [ 14,15 ] and et! ; Urakawa, Osamu ; Inoue, Tadashi ; http: //dx.doi.org/10.1021 % 2Facs.macromol.6b01313 in viscosity growth function of dose... Initiators usually form aggregates through their Li ends in nonpolar solvents Multiple Hydrogen ; join to... Yasuhiro YAMATO, Masayuki Urakawa, Osamu ; Inoue, Tadashi ; Kwon, Youngdon ; http //dx.doi.org/10.1021/acs.macromol.1c00013. Urakawa, Osamu ; Inoue, Tadashi ; Kwon, Youngdon ; http: //dx.doi.org/10.1007/s11120-017-0347-1 department of Macromolecular.!, effective simulation methods of particle suspensions in polymeric matrices do not seem available properties, and is by! Nevertheless, a considerable number of polymer blend during solid-state rheological property measurement by small-angle X-ray scattering among the important. Is essential to minimize Pt loading, particularly at the Institute of Research. Crystallization behavior PLLA including low ( l-PDLA ) and General Manager of Power amp! Typical type-A polymer, high-cis polyisoprene ( PI ),.gov a website...