In this paper the influence of the ambient temperature of the spinline during dry spinning of PLLA solutions has been discussed. Variation of this ambient temperature induced variation of the extrudate swell of the spinline, affected by the rate of solidification of the PLLA. By way of phase separat
High-strength poly(l-lactide) fibres by a dry-spinning/hot-drawing process
β Scribed by J.W. Leenslag; A.J. Pennings
- Book ID
- 107844896
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 769 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0032-3861
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This paper is concerned with the influences of the extrusion speed and the winding speed during dry spinning of 4 w t '% solutions of poly(L-lactide) (PLLA) in mixtures of chloroform and toluene, on the ultimate fiber tenacities after hot drawing. It was found that high-strength PLLA fibers (1.5 GPa
A polylactide (PLA type LA 0200 K) was spun in high-speed melt spinning and spin drawing processes. The fibers were characterized with regard to the degree of crystallinity, the orientation, and the textile physical properties. The polymer was produced by a reactive extrusion polymerization process,