Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20254
Title: Study on poly(ε-caprolactone)-based shape memory copolymer fiber prepared by bulk polymerization and melt spinning
Authors: Meng, Q
Hu, J 
Keywords: Fiber
Polycaprolactone
Polyurethane
Shape memory
Issue Date: 2008
Publisher: Wiley
Source: Polymers for advanced technologies, 2008, v. 19, no. 2, p. 131-136 How to cite?
Journal: Polymers for advanced technologies 
Abstract: In this paper, a poly(ε-caprolactone) (PCL)-based shape memory polyurethane fiber was prepared by melt spinning. The shape memory switching temperature was the melting transition temperature of the soft segment phase mainly composed of PCL at 47°C. The mechanical properties especially shape memory effect were explicitly characterized by thermomechanical cyclic tensile testing. The results suggest that the prepared fiber has shape memory effects. The prepared 40 denier shape memory fiber had a tenacity of about 1.0 cN/dtex, and strain at break 562-660%. The shape fixity ratio reached 84% and the recovery ratio reached 95% under drawing at high temperature and thermal recovery testing. 1 Finally, the fiber thermal/mechanical properties were measured using differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA).
URI: http://hdl.handle.net/10397/20254
ISSN: 1042-7147
EISSN: 1099-1581
DOI: 10.1002/pat.985
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