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Polymers 2010, 2(2), 71-85; doi:10.3390/polym2020071

Shape-Memory Properties of Segmented Polymers Containing Aramid Hard Segments and Polycaprolactone Soft Segments

Chemistry, School of Engineering & Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK
* Author to whom correspondence should be addressed.
Received: 27 April 2010 / Revised: 28 May 2010 / Accepted: 28 May 2010 / Published: 8 June 2010
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A series of segmented multiblock copolymers containing aramid hard segments and extended polycaprolactone soft segments (with an Mn of 4,200 or 8,200 g mol–1) was prepared and tested for their shape-memory properties. Chain extenders were essential to raise the hard segment concentration so that an extended rubbery plateau could be observed. Dynamic mechanical thermal analysis provided a useful guide in identifying (i) the presence of a rubbery plateau, (ii) the flow temperature, and (iii) the temperature when samples started to deform irreversibly.
Keywords: shape-memory polymer; aramid; polycaprolactone shape-memory polymer; aramid; polycaprolactone
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Schuh, C.; Schuh, K.; Lechmann, M.C.; Garnier, L.; Kraft, A. Shape-Memory Properties of Segmented Polymers Containing Aramid Hard Segments and Polycaprolactone Soft Segments. Polymers 2010, 2, 71-85.

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