Structure development of poly(L-lactic acid) fibers processed at various spinning conditions
β Scribed by Subhas Ghosh; Nadarajah Vasanthan
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 158 KB
- Volume
- 101
- Category
- Article
- ISSN
- 0021-8995
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In vitro degradation of poly( L-lactic acid) fibers was investigated for a period of 16 weeks in Ringer solution at 37ΠC. Two sets of fibers, with similar initial mechanical properties, molar mass, and crystallinity content, but markedly different in diameter (72 and 120 mm) were studied. Viscometri
The zone-drawing (ZD) method was applied three times to the melt-spun poly(L-lactic acid) (PLLA) fibers of low molecular weight (M v Ο 13,100) at different temperatures under various tensions. The mechanical properties and superstructure of the ZD fibers were investigated. The resulting ZD-3 fiber h