Glass Transition Temperature (Tg)
Sources of Glass Transition Temperature Variation in Poly(methyl methacrylate)/Cellulose Composites
... the Glass Transition Temperatures by Differential Scanning Calorimetry” (E1365) has not recently undergone any changes; the current version is simply the 2008 version that was reapproved in 2014 ...for ...
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A Study of Supported Poly(N-Butyl Methacrylate) (Pbma) Thin Polymer Films Near The Glass Transition Temperature
... The glass transition temperature and the surface dynamics of poly (butyl methacrylate) (PBMA) films have been studied using a phase-modulated ellipsometer equipped with a home-built sample cell with ...
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Glass transition temperature of thermoplastic starches
... starch, glass transition temperature, differential scanning calorimetry, extrusion INTRODUCTION Over the last decade the increasing amount of refuse and the reduced space for landfill have given rise ...
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Designing of Dilatometer for Measurement of Glass Transition Temperature of Polymers
... the glass transition temperature, T Below the glass transition temperature, T g g , amorphous solids are in a glassy state and most of , amorphous solids are in a glassy state ...
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Structural Features of the Extraordinary Low Glass Transition Temperature for Au65Cu18Si17 Bulk Metallic Glass
... metallic glass has quite high packing density and has many icosahedral clusters especially around Au, while less around ...the temperature dependence of the interatomic distance around Cu indicate that the ...
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Retrogradation of Waxy Rice Starch Gel in the Vicinity of the Glass Transition Temperature
... the glass transition temperature of a nonannealed ...this temperature for 15 min, and cooled back to −60 ∘ C at 10 ∘ C/min and reheated to 25 ∘ C at 5 ∘ C/min to locate the 𝑇 𝑔 ...onset ...
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Influence of absorbed water on the dielectric properties and glass-transition temperature of silica-filled epoxy nanocomposites
... Moreover, a similar situation was found in unfilled epoxy and microcomposite. Similar findings were observed at 10 4 Hz. Most epoxy manufacturers declare that the T g of epoxy resin does not or only slightly decrease ...
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Depression in glass transition temperature of multiwalled carbon nanotubes reinforced polycarbonate composites: effect of functionalization
... materials. Various studies have been done to analyze the dynamic mechanical properties, but for this topic, there is a lack of agreement among the various researchers. As for the MWCNT/PC composites, there is a ...
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Primary alkylphosphine–borane polymers: Synthesis, low glass transition temperature, and a predictive capability thereof
... the glass transition temperature, T g , as the temperature at 1Hz measurement rate and zero pressure of the peak in the loss tangent associated with the specific ...the glass ...
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Chemical Structure And Glass Transition Temperature Of Ricinodendron Heudelotii Wood For Its Pulp Production Potential
... and glass transition temperature of Ricinodendron heudelotii wood were studied using Attenuated total reflectance Fourier transform infrared (FTIR) spectroscopy and dynamic mechanical analysis (DMA), ...
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Ultraslow Relaxation Process of Static Light Scattering Intensity by Boron Oxide above the Glass Transition Temperature
... light scattering experiment, which are not described by the existing theories: the existence of the ultra-slow mode with characteristic times considerably higher than the times of α-relaxation process; the spread of the ...
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Structural Analysis of Pd Cu Si Metallic Glassy Alloy Thin Films with Varying Glass Transition Temperature
... In order to develop the hydrogen sensor, we adopted a Pd- Cu-Si metallic glassy alloy 2) for the sensor material, and have reported its excellent hydrogen sensing ability. 3,4) A metallic glassy alloy is a kind of ...
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A Molecular-Dynamics Study of Size and Chirality Effects on Glass-Transition Temperature and Ordering in Carbon Nanotube-Polymer Composites
... To assess the influence of the nanotube-polymer inter- action, the variation of the composite glass-transition temperature is discussed. Next, a comprehensive and detailed analysis of the structural ...
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Effect of Asymmetric Functionalized Graphene Oxide (Janus GO) on Young′s Modulus and Glass Transition Temperature of PSf Ultrafiltration Membrane
... and glass transition temperature of Polysulfone (PSf) ultrafiltration membranes was ...increasing glass transition temperature to ...
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Investigation on the flexural properties and glass transition temperature of kenaf/epoxy composite filled with mesoporous silica for wind turbine applications
... The blade root is normally circular in cross section to connect to the pitch bearing in hub. The wind blades are fixed to the hub using a bolted connection. This is to ensure that the wind blades can be removed. The ...
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Dielectric spectroscopy of diglycidyl ether of bisphenol A at glass transition temperature
... ABSTRACT We used broadband dielectric spectroscopy in the frequency range from 10 –2 Hz up to 10 7 Hz and we found dynamics of the primary - and in- termolecular Johari-Goldstein (JG) -processes are strongly correlated ...
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Understanding the role of low glass transition temperature excipients in the mitigation of amorphisation on mechanical processing
... The analysis by Wildfong et al. highlights the gradual nature by which the amorphous state is generated on milling resulting from mechanically induced crack propagation, crystallite fragmentation and lattice ...
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Molecular Dynamic Simulation Study on Glass Transition Temperature of DGEBA THPA/SWCNTs Composites
... room temperature were calculated to be ...of temperature of the DGEBA-THPA/SWCNT composites is plotted in Figure ...decreasing temperature and a clear chan- ge in the slope of the density curve were ...
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“under the hood” and exterior applications. PBT has a glass transition temperature of around 45
... The temperature of the environmental chamber of the rheometer is controllable within ( ...and temperature equilibration, the specimens were al- lowed to relax for 5 min, upon which they were cooled to the ...
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Primary alkylphosphine–borane polymers: Synthesis, low glass transition temperature, and a predictive capability thereof
... Low temperature DSC curves for phosphine-borane adduct 3a showing cold crystallisation occurring when 3a is cooled to below -110 °C (solid line) but not when it is only cooled to -80 °C (dashed ...
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