Thermoresponsive Shape Memory Fibers for Compression Garments

Thermoresponsive Shape Memory Fibers for Compression Garments

Their highly deformable properties make shape memory polymers (SMP) a promising component for the development of new compression garments. The shape memory effect (SME) can be observed when two polymers are combined. In here, polycaprolactone (PCL) and thermoplastic polyurethane (TPU) were melt spun...

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Veröffentlicht in:Polymers 2020-12, Vol.12 (12), p.2989
Hauptverfasser: Tonndorf, Robert, Aibibu, Dilbar, Cherif, Chokri
Format: Artikel
Sprache:eng
Schlagworte:
Compression therapy
Formability
Heat
Melt spinning
Phase transitions
Polycaprolactone
Polymers
Polyurethane resins
Raw materials
Recovery
Sample size
Shape effects
Shape memory
Sheaths
Tensile strength
Urethane thermoplastic elastomers
Yarn
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Beschreibung
Zusammenfassung:Their highly deformable properties make shape memory polymers (SMP) a promising component for the development of new compression garments. The shape memory effect (SME) can be observed when two polymers are combined. In here, polycaprolactone (PCL) and thermoplastic polyurethane (TPU) were melt spun in different arrangement types (blend, core-sheath, and island-in-sea), whereas the best SME was observed for the blend type. In order to trigger the SME, this yarn was stimulated at a temperature of 50 °C. It showed a strain fixation of 62%, a strain recovery of 99%, and a recovery stress of 2.7 MPa.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym12122989