## Abstract Melt‐spun poly(trimethylene terephthalate) (PTT) fibers were zone‐drawn and the structures and properties of the fibers were investigated in consideration of the spinning and zone‐drawing conditions. The draw ratio increased up to 4 with increasing drawing temperature to 180°C, at a max
✦ LIBER ✦
Melt spun thermoresponsive shape memory fibers based on polyurethanes: Effect of drawing and heat-setting on fiber morphology and properties
✍ Scribed by Jasmeet Kaursoin; Ashwini K. Agrawal
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 525 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0021-8995
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## Abstract Shape memory fibers (SMFs) were prepared via melt spinning. The fibers underwent different heat treatments to eliminate internal stress and structure deficiency caused during melt spinning. The influences of heat treatments on the SMF crystallinity, molecular orientation, hydrogen bondi