News & Media

Next Webinar August 31

Title: Thermal Conductivity of Polyurethane Composites with Silver Nano- and Micro-Particles

Date: Tuesday, August 31st, 2010
Time: 1PM Eastern / 10AM Pacific
Speakers: Muhammad Iqbal and S. Holger Eichhorn (University of Windsor)

Description: Polyurethanes are one of the most versatile plastics today. Typical applications range from flexible and rigid foams to thermoplastics used in medical devices, footwear, coatings, adhesives, sealants and elastomers. What all these materials have in common is low thermal conductivity. Presented here is the enhanced thermal conductivity of thermoplastic polyurethane composite materials than contain isotropically dispersed silver particles of nanometer and micrometer dimensions. Also demonstrated is the effect of different particle sizes and anisotropic particle distributions on thermal conductivity in composites of equal silver content. All composite materials are characterized by TEM, SEM, thermal analysis, and optical spectroscopy.


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