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Multiphase Polymer Networks with Shape-Memory

Published online by Cambridge University Press:  31 January 2011

Steffen Kelch
Affiliation:
Kelch.Steffen@ch.sika.com, Sika Technology, Tueffenwies 16, Zurich, 8048, Switzerland
Marc Behl
Affiliation:
marc.behl@gkss.de, GKSS Research Centre Geesthacht GmbH, Institute of Polymer Research, Teltow, Germany
Stefan Kamlage
Affiliation:
stefan.kamlage@gkss.de, GKSS Research Centre Geesthacht GmbH, Institute of Polymer Research, Teltow, Germany
Andres Lendlein
Affiliation:
lendlein@scholarone.com, United States
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Abstract

Tailoring of properties and functions of shape-memory polymer networks to the requirements of specific applications demands a knowledge-based approach. A comprehensive database enabling the analysis of structure-property relationships is obtained by the systematic variation of molecular parameters. In detail we investigated the influence of the nature of thermal transition on the shape-memory behavior of polymer networks. Furthermore, additional amorphous phases were introduced enabling tailoring of elastic properties especially in the temporary shape as a consequence of the formed polymer morphology. Enabling higher elasticity, adjustable hydrolytic degradability, and the possibility to tailor the transition temperature of shape-memory to a temperature between room temperature and body temperature are considered to be substantial steps to improve the applicability of these active polymers in medicine.

Type
Research Article
Copyright
Copyright © Materials Research Society 2009

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