Polymer melts
An in-process ultrasonic approach to investigating the relaxation of orientation and disorientation of polymer melts
... Traditionally, polymer relaxation is characterized by a spectrum of multiple relaxation times corresponding to various modes of relaxation a polymer chain can ...of polymer melts ...of ...
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Probing Submillimeter Dynamics to Access Static Shear Elasticity from Polymer Melts to Molecular Fluids
... (polymer melts), the low-frequency shear elasticity cannot be interpreted by a surface-induced solidi ...crystalline polymer (Noirez 2005 ), while the molecular dimensions are less than 100 ...
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Perimeter length and form factor in two-dimensional polymer melts
... characterizing the deviations from random-walk statistics in 3D polymer melts 关 13 , 14 兴. The reason for this is that P 1 共s兲 is proportional to the second derivative of the segment size R 共s兲 2 with ...
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An in-process ultrasonic approach to investigating the relaxation of orientation and disorientation of polymer melts
... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at An in-process ultrasonic approach to investigating the relaxation of orientation and disorientation of ...
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Dynamics of monodisperse linear entangled polymer melts in extensional flow: the effect of excluded-volume interactions
... https://doi.org/10.1016/j.polymer.2009.10.008 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Dynamics of monodisperse linear entangled polymer ...
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Unexpected giant elasticity in side-chain liquid-crystal polymer melts: A new approach for the understanding of shear-induced phase transitions
... correspond to plateau moduli, they are not frequency dependent whereas the entrance in the regime “I L ” is frequency dependent (conventional linear viscoelastic behaviour). These results contrast with the conventional ...
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Identification of Strain-Induced Thermal Response in Polymer melts and Liquid glass formers
... The strain-induced cold and hot zones can exhibit a thermal amplitude of 0.5°C in the case of the unentangled polymer melt. This adiabatic process, the generation of cold zones and the low molecular weight of ...
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Probing Submillimeter Dynamics to Access Static Shear Elasticity from Polymer Melts to Molecular Fluids
... From Surface-Induced Solidification to the Identification of the Submillimeter Shear Elasticity Low-frequency elastic behaviors have been reported at several occasions. Since 1991, Granick and coworkers (Hu et al. 1991 ; ...
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Statistical thermodynamics evaluation of polymer-polymer miscibility
... potential polymer–polymer miscibility, the dependence of ␦ versus T (at ambient pressure) was computed for 17 ...miscible polymer pairs: PPE/PS, PS/PVME, and PC/PMMA signaled the usefulness of this ...
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Polymer masks fabrication by micropatterning surfaces of composite polymer coatings
... composite polymer coatings of PS and PMMA of equal molecular weights in different volume proportions with varying surface topographies on silicon ...of polymer coatings of PS, PMMA and ...composite ...
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Densities and volumes of hydrous silicate melts: New measurements and predictions
... ρ relax : relaxed glass densities measured after first thermal expansion measurements up to T 13 (temperature at. which the viscosity is 10 13 Pa.s).[r] ...
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Influence of ionic plasticizers on the processing and viscosity of starch melts
... (b) Shear viscosity flow curves for TPS plasticized by Glycerol with Rheoplast and Micro-compounder at 130°C (including measurements at decreasing screw speed and at increasing screw [r] ...
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Magnetic polymer 'nanopills'
... a polymer shell surrounding the magnetic cores that can switch, by raising temperature, from a swollen hydrophilic brush to a collapsed state impermeable to water protons, enabling a new method of thermometry by ...
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Polymer mica : layered polymer with nanometer sized interlayer gaps
... layered polymer is that its morphology, and thus its proper- ties, are ...the polymer is heated to a temperature above its T g ...The polymer which was ini- tially opaque became transparent at ...
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Conducting polymer actuators
... 1989) propose a model in which changes in conducting polymer oxidation state are limited by the rates of ionic diffusion. Their model is aimed at explaining the r[r] ...
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Polymer modified concrete
... Abstract Polymer modified concrete may be divided into two classes: polymer impregnated concrete and polymer cement ...by polymer (often in latex ...
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Polymer blends: fundamentals
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...
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Novel Conductive Polymer Blends
... adsorbed polymer per deposition cycle increases during the initial 1 to 5 deposition cycles, and then approaches a constant value(Gero Decher, Lvov, & Schmitt, 1994; Lvov & Decher, ...
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The transport and settling of platinum-group-metal particles in glass melts
... Numerical simulation of the vitrification process in cold crucibles | PAGE 4 CEA | SEPTEMBER 7th 2016 PGM transport Energy transport Glass flow EM induction. Numerical simulat[r] ...
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PB-PB CHRONOMETRY OF IMPACT MELTS FROM LUNAR METEORITE OUED AWLITIS 001
... PB-PB CHRONOMETRY OF IMPACT MELTS FROM LUNAR METEORITE OUED AWLITIS 001 B. ZHANG 1 , P. M. REGER 1 , A. GANNOUN 2 , M. BOYET 2 , D. L. SCHRADER 3 , M. WADHWA 3 , L. FERRIÈRE 4 , A. BOUVIER 1,5 1 University of ...
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