Video/animation icon  Stretching a polyethylene strip upon heating

 
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Resource type: Video/animation
Description: A strip of UHMW PE is heated and gradually stretched over 180 °C (the melting temperature of PE), the polymer chains coil up again causing the film to shrink. Again heating to 120-136 °C an attempt will be made to stretch it. (Related topic: polymers)
Keywords: polymers • transition
Categories: Science approaches
Materials > Polymers & elastomers > Plastics > Thermoplastics > Polyethylene (PE)
Testing, analysis & experimentation
Created by: DoITPoMS, University of Cambridge
Published by: DoITPoMS, University of Cambridge
License: This resource is released under the Creative Commons Attribution Non-Commercial Share Alike license (2.0 UK: England & Wales).
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Date created: 01 October 2007
Date added: 02 December 2009
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Resource ID: 2432