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You searched on: Author: jack douglas

Displaying records 181 to 190 of 227 records.
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181. Influence of Generation Number on the Dewetting of Hypergraft Poly(2-Ethyl-2-Oxazoline) Films
Published: 1/1/2000
Authors: K A Barnes, Jack F Douglas, D W. Liu, B B Bauer, Eric J. Amis, Alamgir Karim
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853643

182. Lattice Model of Living Polymerization. II: Interplay Between Polymerization and Phase Stability
Published: 1/1/2000
Authors: J Dudowicz, Karl Freed, Jack F Douglas
Abstract: Representative spinodal curves and polymerization lines for the equilibrium polymerization of linear polymers in a solvent have been calculated using aFlory-Huggins type mean-field theory. The calculations are primarily restricted to systems that pol ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851625

183. Polymer-Surface Interactions in Nanofilled Polymers
Published: 1/1/2000
Authors: Alamgir Karim, Jack F Douglas
Abstract: An understanding of the influence of polymer-surface interactions on the interfacial properties of nanoparticle fillers in polymer matrices is critical for applications of nanoparticle filled polymer materials. The infuence of nanoparticle-surace in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851662

184. Preparation and Characterization of Polymer/Dendrimer Blends - Final Report, MAR, 2000
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6506
Published: 1/1/2000
Authors: Eric J. Amis, Barry J. Bauer, Alamgir Karim, Jack F Douglas, A Topp, F I Groehn, T J. Prosa, B D Viers, D W. Liu, K A Barnes, C L. Jackson, G Nisato
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853637

185. Suppression of Dewetting in Nanoparticle-Filled Polymer Films
Published: 1/1/2000
Authors: K A Barnes, Alamgir Karim, Jack F Douglas, A Nakatani, H Gruell, Eric J. Amis
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853660

186. Dynamic Entropy as a Measure of Caging and Persisent Particle Motion in Supercooled Liquids
Published: 11/1/1999
Authors: P Allegrini, Jack F Douglas, S C Glotzer
Abstract: The length-scale dependence of the dynamic entropy is studied in a molecular dynamics simulation of a binary Lennard-Jones liquid above the mode-coupling critical temperature T^dc^. A number of methods exist for estimating the entropy of dynamical s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851557

187. Filler-Induced Composition Waves in Phase-Separating Polymer Blends
Published: 11/1/1999
Authors: B P Lee, Jack F Douglas, S C Glotzer
Abstract: The influence of a dilute concentration of filler particles on polymer blend phase separation is investigated computationally using a generalization of the Cahn-Hilliard-Cook (CHC) theory to include model filler particles (spheres, fibers, platelets) ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851584

188. Lattice Model of Living Polymerization I. Basic Thermodynamic Properties
Published: 10/1/1999
Authors: J Dudowicz, Karl Freed, Jack F Douglas
Abstract: A Flory-Huggins type model of living polymerization is formulated, incorporating chain stiffness, variable initiator concentration and polymer-polymer interactions. Basic equilibrium properties [average chain length L, average fraction of associated ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851616

189. Transient Target Patterns in Phase Separating Filled Polymer Blends
Published: 9/1/1999
Authors: Alamgir Karim, Jack F Douglas, G Nisato, D W. Liu, Eric J. Amis
Abstract: Recent simulations have indicated that the presence of filler particles in a phase separating blend can induce the development of composition waves having the symmetry of the filler particles. We investigate these predictions through atomic force mi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851579

190. Thermal and Mass Diffusion in a Semidilute Good Solvent-Polymer Solution
Published: 8/1/1999
Authors: K J Zhang, M E Briggs, R W Gammon, J V Sengers, Jack F Douglas
Abstract: The Soret coefficient S^dT^ and collective (mass) diffusion coefficient D^dc^ of polystyrene dissolved in the good solvent toluene is measured over a range of concentrations and molecular weights using an optical beam deflection method. Our measurem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851552



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