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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
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Received: 27 April 2010 / Revised: 28 May 2010 / Accepted: 28 May 2010 / Published: 8 June 2010
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Abstract

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
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

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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