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Studies from Sharif University of Technology Describe New Findings in Polymer Physics (Molecular dynamics simulation study of glass transition in...

July 15, 2014



Studies from Sharif University of Technology Describe New Findings in Polymer Physics (Molecular dynamics simulation study of glass transition in hydrated Nafion)

By a News Reporter-Staff News Editor at Physics Week -- New research on Polymer Physics is the subject of a report. According to news reporting out of Tehran, Iran, by VerticalNews editors, research stated, "The thermal transition of Nafion is studied using a molecular dynamics simulation through a chemically realistic model. Static and dynamic properties of polymer melts with different water contents are investigated over a wide range of temperatures to obtain viscometric and calorimetric glass transition temperatures."

Our news journalists obtained a quote from the research from the Sharif University of Technology, "The effect of cooling rate of the simulation on the glass transition of the hydrated polymer is also examined within the well-known Williams-Landel-Ferry (WLF) equation. Variation of relaxation times versus temperature shows a fragile-to-strong transition. The hydration level has a significant impact on the static and dynamic properties of the polymer chains and water molecules confined in nanometric spaces between polymer chains."

According to the news editors, the research concluded: "The results of this study are useful to predict the behavior of Nafion for various applications including fuel cells, sensors, actuators, and shape memory devices at different temperatures."

For more information on this research see: Molecular dynamics simulation study of glass transition in hydrated Nafion. Journal of Polymer Science Part B-Polymer Physics, 2014;52(13):907-915. Journal of Polymer Science Part B-Polymer Physics can be contacted at: Wiley-Blackwell, 111 River St, Hoboken 07030-5774, NJ, USA.

Our news journalists report that additional information may be obtained by contacting M. Ozmaian, Sharif Univ Technol, Dept. of Mech Engn, Tehran, Iran.

Keywords for this news article include: Iran, Asia, Tehran, Polymer Physics, Molecular Dynamics

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Physics Week


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