期刊
POLYMERS
卷 12, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/polym12122989
关键词
shape memory; blend; fiber; spinning; compression therapy
资金
- German Federal Ministry of Economics and Energy (BMWi) within the Promotion of Joint Industrial Research Program (IGF)
- Forschungskuratorium Textil e.V. (FKT) under German Federation of Industrial Research Associations (AiF) [20322 BR]
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 degrees C. It showed a strain fixation of 62%, a strain recovery of 99%, and a recovery stress of 2.7 MPa.
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