Thermally induced shape-memory effects in polymers: Quantification and related modeling approaches

Thermo‐sensitive polymers, which are capable to exhibit a dual‐, triple‐, or multi‐shape effect or a temperature‐memory effect (TME), characterized by a controlled shape change in a predefined way, are of current technological interest for designing and realization of actively moving intelligent dev...

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Published in:Journal of polymer science. Part B, Polymer physics Polymer physics, 2013-04, Vol.51 (8), p.621-637
Main Authors: Heuchel, Matthias, Sauter, Tilman, Kratz, Karl, Lendlein, Andreas
Format: Article
Language:English
Subjects:
Applied sciences
Computer simulation
Controlled atmospheres
Devices
Exact sciences and technology
Mechanical properties
modeling
Organic polymers
Physicochemistry of polymers
Polymer physics
Polymers
Properties and characterization
Shape memory
shape-memory effect
stimuli-sensitive polymers
temperature-memory effect
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Summary:Thermo‐sensitive polymers, which are capable to exhibit a dual‐, triple‐, or multi‐shape effect or a temperature‐memory effect (TME), characterized by a controlled shape change in a predefined way, are of current technological interest for designing and realization of actively moving intelligent devices. Here, the methods for the quantitative characterization of shape‐memory effects in polymers and recently developed thermomechanical modeling approaches for the simulation of dual‐, triple‐, and multi‐shape polymers as well as materials that exhibit a TME are discussed and some application oriented models are presented. Standardized methods for comprehensive quantification of the different effects and reliable modeling approaches form the basis for a successful translation of the extraordinary achievements of fundamental research into technological applications. © 2013 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2013 Thermally induced shape‐memory effects (SME) of polymers are quantified by cyclic thermomechanical tests. These data sets serve as basis to understand SMEs and to create appropriate modeling descriptions. Here, characterization methods for dual‐, triple‐, and multi‐shape polymers as well as materials that exhibit a temperature‐memory effect are reviewed together with recently developed thermomechanical modeling approaches to simulate such experiments.
ISSN:0887-6266
1099-0488
DOI:10.1002/polb.23251