Role of the crankshaft motion in the dynamics of cubic lattice models of polymer chains

1986 ◽  
Vol 19 (3) ◽  
pp. 860-863 ◽  
Author(s):  
Celeste Stokely ◽  
Charles C. Crabb ◽  
Jeffrey Kovac
Keyword(s):  
Lattice Models ◽  
Polymer Chains ◽  
Cubic Lattice

Effect of bead movement rules on the relaxation of cubic lattice models of polymer chains

1983 ◽  
Vol 16 (3) ◽  
pp. 398-403 ◽  
Author(s):  
Mehmet T. Gurler ◽  
Charles C. Crabb ◽  
Deborah M. Dahlin ◽  
Jeffrey Kovac
Keyword(s):  
Lattice Models ◽  
Polymer Chains ◽  
Cubic Lattice ◽  
Movement Rules

Dynamics of Body-Centred-Cubic Lattice Models for Polymer Chains Confined in an Infinite Cylinder.

1992 ◽  
Vol 24 (12) ◽  
pp. 1397-1402 ◽  
Author(s):  
Linxi Zhang ◽  
Agen Xia ◽  
Jianmin Xu
Keyword(s):  
Lattice Models ◽  
Polymer Chains ◽  
Infinite Cylinder ◽  
Cubic Lattice

Normal-coordinate analysis of the dynamics of cubic lattice models of polymer chains

1985 ◽  
Vol 18 (11) ◽  
pp. 2215-2220 ◽  
Author(s):  
Michelle Dial ◽  
Katherine S. Crabb ◽  
Charles C. Crabb ◽  
Jeffrey Kovac
Keyword(s):  
Lattice Models ◽  
Normal Coordinate Analysis ◽  
Polymer Chains ◽  
Normal Coordinate ◽  
Cubic Lattice

Dynamics of cubic lattice models of polymer chains at high concentrations

1985 ◽  
Vol 18 (7) ◽  
pp. 1430-1435 ◽  
Author(s):  
Charles C. Crabb ◽  
Jeffrey Kovac
Keyword(s):  
Lattice Models ◽  
Polymer Chains ◽  
Cubic Lattice ◽  
High Concentrations

Computer simulation of shape relaxation in cubic lattice models of linear polymers

1991 ◽  
Vol 24 (5) ◽  
pp. 1205-1206 ◽  
Author(s):  
Thomas D. Hahn ◽  
E. Todd Ryan ◽  
Jeffrey Kovac
Keyword(s):  
Computer Simulation ◽  
Lattice Models ◽  
Linear Polymers ◽  
Cubic Lattice

Role of interfacial interactions to control the extent of wrapping of polymer chains on multi-walled carbon nanotubes

RSC Advances ◽  
2016 ◽  
Vol 6 (48) ◽  
pp. 42334-42346 ◽  
Author(s):  
Suchitra Parija ◽  
Arup R. Bhattacharyya
Keyword(s):  
Polymer Chains ◽  
Electron Microscopic ◽  
Α Phase ◽  
Transmission Electron ◽  
Transmission Electron Microscopic ◽  
Electron Microscopic Image ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
Transmission Electron Microscopic Image

Transmission electron microscopic image of separated MWCNTs (N51L15G5) showing the wrapped polymer chains on the MWCNTs surface, which corresponds to the α-phase of the PP.

Dynamics of lattice models of polymer chains near the Θ point

1990 ◽  
Vol 23 (11) ◽  
pp. 3013-3019 ◽  
Author(s):  
James Patton Downey ◽  
Jeffrey Kovac
Keyword(s):  
Lattice Models ◽  
Polymer Chains ◽  
Θ Point

scholarly journals Micro and nanocomposites of polybutadienebased polyurethane liners with mineral fillers and nanoclay: thermal and mechanical properties

2017 ◽  
Vol 15 (1) ◽  
pp. 46-52 ◽  
Author(s):  
Pablo Ross ◽  
Germán Escobar ◽  
Guillermo Sevilla ◽  
Javier Quagliano
Keyword(s):  
Thermal Properties ◽  
Polymer Chains ◽  
Toluene Diisocyanate ◽  
Mechanical And Thermal Properties ◽  
Scanning Calorimetry ◽  
Elongation At Break ◽  
Force Microscopy ◽  
Atomic Force ◽  
Mineral Fillers

AbstractMicro and nanocomposites of hydroxyl terminated polybutadiene (HTPB)-based polyurethanes (NPU) were obtained using five mineral fillers and Cloisite 20A nanoclay, respectively. Samples were prepared by the reaction of HTPB polyol and toluene diisocyanate (TDI), and the chain was further extended with glyceryl monoricinoleate to produce the final elastomeric polyurethanes. Mechanical and thermal properties were studied, showing that mineral fillers (20%w/w) significantly increased tensile strength, in particular nanoclay (at 5% w/w). When nanoclay-polymer dispersion was modified with a silane and hydantoin-bond promoter, elongation at break was significantly increased with respect to NPU with C20A. Thermal properties measured by differential scanning calorimetry (DSC) were not significantly affected in any case. The molecular structure of prepared micro and nanocomposites was confirmed by Fourier transform infrared (FTIR) spectroscopy and Raman spectroscopy. Interaction of fillers with polymer chains is discussed, considering the role of silanes in compatibilization of hydrophilic mineral fillers and hydrophobic polymer. The functionalization of nanoclay with HMDS silane was confirmed using FTIR. Microstructure of NPU with C20A nanoclay was confirmed by Atomic Force Microscopy (AFM).

scholarly journals Capacitance Enhancement by Incorporation of Functionalised Carbon Nanotubes into Poly(3,4-Ethylenedioxythiophene)/Graphene Oxide Composites

Materials ◽  
2020 ◽  
Vol 13 (10) ◽  
pp. 2419
Author(s):  
Anita Cymann ◽  
Mirosław Sawczak ◽  
Jacek Ryl ◽  
Ewa Klugmann-Radziemska ◽  
Monika Wilamowska-Zawłocka
Keyword(s):  
Carbon Nanotubes ◽  
Graphene Oxide ◽  
Electrochemical Performance ◽  
Polymer Chains ◽  
Electrodeposition Process ◽  
Counter Ions ◽  
Oxide Composites ◽  
Electrochemical Characterisation ◽  
Synthesis Solution

This paper reports on the role of oxidised carbon nanotubes (oxMWCNTs) present in poly-3,4-ethylenedioxytiophene (PEDOT)/graphene oxide (GOx) composite. The final ternary composites (pEDOT/GOx/oxMWCNTs) are synthesised by an electrodeposition process from the suspension-containing monomer, oxidised carbon nanotubes and graphene oxide. Dissociated functional groups on the surface of graphene oxide play a role of counter-ions for the polymer chains. Detailed physicochemical and electrochemical characterisation of the ternary composites is presented in the paper. The results prove that the presence of oxMWCNTs in the ternary composites doubles the capacitance values compared to the binary ones (450 vs. 270 F cm−3 for PEDOT/GOx/oxMWCNTs and PEDOT/GOx, respectively). The amount of carbon nanotubes in the synthesis solution is crucial for physicochemical properties of the composites, their adhesion to the electrode substrate and the electrochemical performance.

scholarly journals Julian Ernst Besag. 26 March 1945—6 August 2010

2018 ◽  
Vol 64 ◽  
pp. 27-50
Author(s):  
Peter J. Diggle ◽  
Peter J. Green ◽  
Bernard W. Silverman
Keyword(s):  
Random Fields ◽  
Markov Random Fields ◽  
Lattice Models ◽  
Field Trials ◽  
Nearest Neighbour ◽  
Agricultural Field ◽  
Lattice Systems ◽  
Markov Random ◽  
Texture Generation

Julian Besag was an outstanding statistical scientist, distinguished for his pioneering work on the statistical theory and analysis of spatial processes, especially conditional lattice systems. His work has been seminal in statistical developments over the last several decades ranging from image analysis to Markov chain Monte Carlo methods. He clarified the role of auto-logistic and auto-normal models as instances of Markov random fields and paved the way for their use in diverse applications. Later work included investigations into the efficacy of nearest-neighbour models to accommodate spatial dependence in the analysis of data from agricultural field trials, image restoration from noisy data, and texture generation using lattice models.

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