Glass Transition Thermodynamics and Kinetics - Princeton University
Jan 3, 2013 ... Kauzmann temperature, ideal glass transition, potential energy landscape, dynamical ... the supercooled liquid underlies kinetic slowdown; in the latter, ... They range from elements to high-molecular-weight polymers and include impor- ..... classical ensembles under thermodynamic equilibrium conditions.
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Polymer Interfaces - American Chemical Society
May 31, 2016 ... Polymer Interfaces: Synthetic Strategies Enabling Functionality,. Adaptivity .... conditions or even in dispersed systems.1,2 Especially radical polymerization with ..... potential of diffraction unlimited STED for functional interface generation in ..... diffusion processes, nonlinear reaction kinetics, or the exchange.
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Applications of Multiphasic Microreactors for Biocatalytic Reactions
Jan 20, 2016 ... A global study on the kinetic parameters of enzymes ... (kcat/Km) for a diffusion- limited enzymatic reaction is below .... attach to the interphase of liquid to solid by means of an ... the applied flow conditions, phase properties, and the surface .... They are immobilized on polymer resins, glass, magnetic beads,.
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A STUDY OF MOISTURE DIFFUSION IN POLYMERIC PACKAGING
moisture absorption coefficients D are polymer matrix dependent. The effects of ..... 1 30oC / 85% RH Unlimited (Note 2) 85oC / 85% RH. 168 ..... Diffusion is not enhanced by transport along the epoxy/glass interface [Mcmaster and ..... vapour and liquid conditions (1) Single phase absorption: water weakly bonded to the.
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solvent-induced crystallization of poly(ether ether ketone)
Nov 15, 1999 ... Key Words: solvent-induced crystallization, diffusion, PEEK, ... Norfolk State University, for unlimited access to their x-ray diffractometer. ..... crystallization kinetics and crystallinity indices were evaluated via differential scanning ... In general, if a liquid encounters an unstressed glassy polymer, the small.
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THE MATHEMATICS OF DIFFUSION
numerical solution of the diffusion equations has been completely rewritten and brought up to ... mainly in solvent-polymer systems in the glassy state. The other ..... of diffusion so that the boundary conditions are of the familiar form C = constant, .... well-stirred fluid of fixed volume Kand uniform temperature 0S, a function of.
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Emulsion Polymerization - InTech
polymerization, a milky fluid called “latex”, “synthetic latex” or “polymer .... unlimited opportunities to choose for the glass transition temperature, the minimum ..... In polymerization kinetic, steady state conditions must obtain, i.e. where the .... concentration in the particles is maintained at a constant concentration by diffusion of.
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Solvent Diffusion Coefficient Concentration Dependence in Polymer
several theories for the concentration dependence of the solvent diffusion coefficients, and ... self diffusion, kinetic theory, free volume, solvents,. 16. ... distribution is unlimited. .... It was developed to describe diffusion of liquids and gases in membranes, but the ... measurements, the second condition holds where DsM = DtM.
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Full Text (PDF)
Apr 7, 2015 ... nearly unlimited compositional tunability. ... conditions (3). .... equilibrium and becomes the ordinary, liquid-cooled glass. ... Competition between kinetics and ther- ..... Brian CW, Yu L (2013) Surface self-diffusion of organic glasses. ... Norrman K, Krebs FC (2008) Stability/degradation of polymer solar cells.
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Macromolecules at Surfaces - Research
Macromolecules at liquid interfaces are ubiquitous in nature and technology. .... surfaces, kinetic processes play a key role. One must ... the glass transition in thin polymer films typify the difficulty, at the ... diffusion of DNA, a cationic polymer on an anionic fluid .... thickness RH and the stick boundary condition at that layer. In.
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Multidimensional electrochemical imaging in materials science
SECM C-AFM Polymer Metal Self assembled layers Imaging ... ions and molecules, for investigation of surface kinetics, and for identification of ... under diffusion-controlled conditions, leading to a diffusion-controlled current i T. ...... Investigation of solid/liquid interfaces can be performed under electrochemical conditions, ...
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Predictive Modeling of Reactive Wetting and Metal Joining - Sandia
Unlimited Release .... The mutual diffusion coefficients for metal mixtures can ... molecular dynamics (MD) or molecular kinetic theory (e.g., Enskog ... 4.1 The equilibrium surface tension of a solid-liquid interface, Ωwl/A (green curve) for a bi - ..... reach a condition that is either a glassy state, or a state point beyond a phase ...
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This paper was published in Soft Matter as part of the Food
Aug 1, 2008 ... of gels, micelles, liquid crystals, biopolymer complexes and amorphous ... a few A ˚ngströms and the diffusion of both water and flavor ... the amount of interface to stabilize is several orders of magnitude larger. .... In the dry state, carbohydrate polymers have a glass transition ...... has an unlimited shelf life!
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What makes a material function? - European Union
Oct 15, 2011 ... 1.4.1 Semi-classical drift-diffusion model ... 4.5 Chemistry reaction (kinetic) models (meso and continuum) .... between a metal and a polymer? .... unlimited ... solidification of liquids and other important variables for industrial manufacturing. .... interfaces and internal grain boundaries in realistic conditions ...
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View PDF Version - RSC Publishing - Royal Society of Chemistry
Feb 1, 2012 ... novel polymer electrolytes for sodium ion batteries. Paula Serras ... to the unlimited sodium sources, the ease to recover it, and its ... voltage, stability and diffusion barrier of Na-ion and Li-ion materials indicate ... fabrication conditions and would not use higher cost organic ... of liquids simultaneously. On the ...
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AKTS-SML Version 5 - AKTS Advanced Thermal Analysis Software
under temperature conditions is possible at which experimental investigation would ... Migration modelling of an unlimited number of substances at once ( batch process). ... glass transition temperature of polymers and estimation of partition .... As long as the contacting medium is a liquid or a gas the diffusion process in the ...
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2012 ECS SummEr FEllowShip rEportS - The Electrochemical Society
The Electrochemical Society Interface • Fall–Winter 2012. 89. Fig. 1. ... polymer backbone, which results in ion ... identify optimal cycling conditions. This ... Liquid -Liquid Interfaces: Theory and .... Arrhenius-plots of corrected kinetic currents from RDE data. ... and Electrochemical and Solid-State Letters (1998-2012); unlimited.
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Microfluidics-Nano-Integration for Synthesis and Sensing - MDPI
Jun 20, 2012 ... continuous flow- and droplet-based synthesis of polymers and ... Due to the variability in local conditions, nanomaterials cannot be prepared in ... is laminar and the mixing mainly occurs by diffusion at the interface .... The fluid mechanics of liquids in micro-channels will not be ... electro-kinetic mechanisms.
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Efficient Dye-Sensitized Solar Cells with an Organic - Solar Light
†State Key Laboratory of Polymer Physics and Chemistry, Changchun ... Transient absorption measurements have revealed that even if the kinetics of back-electron transfer ... the titania/dye/electrolyte interface. A solvent-free ionic liquid cell with C219 as the sensitizer ... the surging on cost-effective and resource-unlimited.
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Process-induced Long-term Deformation Behavior of - Qucosa
Abstract. Injection molding is a very complex process because the polymer ..... Chapters 5 and 6 present the effect of injection molding conditions ... Complexity is virtually unlimited; sizes may range ..... In polymers, the transition from liquid or rubber-like to glass-like behavior is called the ... This kinetic effect results from the .
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