Glass Transition
Glass transition temperature of thermoplastic starches
... glycerol plasticizes starch in conformity with Couchman`s model that is valid for polymer-solvent combinations (Lourdin et al., 1997). Studies on barley starch plasticized with water and glycerol showed that phase ...
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Local Structure and Glass Transition in Zr Based Binary Amorphous Alloys
... ential scanning calorimetry (DSC) in the metallic glasses? We believe that considering this question would link to understanding of the thermal stability of metallic glasses, and recently reported the feature of the ...
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Effect of water activity and glass transition on critical preservation conditions of dried squids
... The glass transition temperature of dried squids was measured using differential scanning ...model glass transition temperature and moisture content ...
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Effects of Atomic Deviatoric Distortion on Local Glass Transition of Metallic Glasses
... a glass transition should be accompanied by a coordination number change and perhaps an atom position ...the glass transition theory has been explained by the free volume (volume expansion) ...
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Kinematical Studies of the Glass Transition in Glassy (Bi2Se3)1-X Tex System
... these glass is partly because of their interesting electrical, thermal and optical properties, and hence their wide technological applications including threshold and memory ...the glass-forming region ...
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Glass Transition Like Behavior of Grain Boundaries in Nanocrystalline Gold
... glass transition temperature during heating. In Fig. 3, the re- sult of specimen B stored at 260 K for 18 months is also shown. The endothermic tendency was similar to that in the as-prepared state, but the ...
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The common physical origin of the glass transition, macromolecular entanglement and turbulence
... of glass and glass transition (GT)” ...localization transition and flow speedup along one-di- mensional direction in a reference 3D ...
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Dielectric spectroscopy of diglycidyl ether of bisphenol A at glass transition temperature
... the glass transition, are now referred to as the Johari-Goldstein (JG) secondary or JG -relaxation to honor their discovery of secondary relaxation even in totally rigid molecules without internal degree ...
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Molecular Dynamic Simulation Study on Glass Transition Temperature of DGEBA THPA/SWCNTs Composites
... In this study, molecular dynamic (MD) simulations werecarried out to predict the thermo-mechanical proper- ties of the curedepoxy network composed of diglycidyl ether bisphenol A(DGEBA) epoxy resin and tetrahy- ...
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Using Dielectric Relaxation Spectroscopy to Characterize the Glass Transition and Onset of Crystallinity of Skim-Milk Powder
... frequency. Glass transition times are identified at peaks in the loss-tangent height versus time curve and the onset of crystallinity times are identified when the loss-tangent height ...curves: ...
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Influence of absorbed water on the dielectric properties and glass-transition temperature of silica-filled epoxy nanocomposites
... In Figs 6 and 7, two linear regions can be delineated in loss tangent/relative humidity curves. The left/lower part is in the lower-temperature region, and so is likely to be associated with glass state. ...
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Primary alkylphosphine–borane polymers: Synthesis, low glass transition temperature, and a predictive capability thereof
... the glass transition; as well as being able to vibrate normal to the chain axis the polymer chains can start to move translationally relative to each ...The glass transition temperature is ...
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Primary alkylphosphine–borane polymers: Synthesis, low glass transition temperature, and a predictive capability thereof
... While the synthesis of poly(phosphine-borane)s has already been studied, theoretical examinations of these materials have not been reported. Group interaction modelling (GIM) is a well-established theoretical framework ...
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Glass Transition Behavior of Poly Methyl Methacrylate Microplastics Under Various Intermediates Ratio
... The glass transition temperature for the mixture between PMMA and cow manure was analyzed for DSC under different ...the glass transition temperature under various ...
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Understanding the role of low glass transition temperature excipients in the mitigation of amorphisation on mechanical processing
... expected glass transition temperature region associated with amorphous SDM, modulated heat flow DSC analysis was conducted on the milled amorphous systems, with the reversing heat flow signals shown in the ...
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Ratio of dielectric strength of structural and secondary relaxation close to the glass transition for PPGE and DGEBA
... , decreases when temperature and pressure are increased, though remaining at the glass transition Fig- ure 7. The same behaviors as observed for DGEBA. In the case of DGEBA and PPGE, the and ...
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Thermodynamic Analysis of the Undercooled Liquid and Glass Transition in the Cu Mg Y System
... of glass transition, calculated specific heat results in ...no glass transition ...the glass transition is correctly described and glass transition temperature is in ...
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Sources of Glass Transition Temperature Variation in Poly(methyl methacrylate)/Cellulose Composites
... Figure 29. Photographs from the P160 condition. The two floor-based samples have similar Tg values both from first heating (H1 Tg) and from second heating (H2 Tg), despite one being in the form of two clumps instead of ...
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The Structural Bases for Polymer Glass-Transition Temperatures.
... polymer glass transition temperatures calls for the need to synthesize wholly amorphous samples for the purpose of studying their glass ...their glass transition ...
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Transition Zone Theory: a New Theory to Explain the Mechanisms of Crystallization, Viscous Relaxation and Glass Transition.
... the glass transition temperature 72,76,79 , or the nucleation during the cooling of the melt to the glass 73,75 , such that cold crystallization initiates with more nuclei (“initial nuclei”) which ...
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