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Melt Rheology of High l-Content Poly(lactic acid)

โœ Scribed by Palade, Liviu-Iulian; Lehermeier, Hans J.; Dorgan, John R.


Book ID
111922470
Publisher
American Chemical Society
Year
2001
Tongue
English
Weight
152 KB
Volume
34
Category
Article
ISSN
0024-9297

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Poly(L-lactic acid) filaments were prepared by high speed melt spinning at take-up velocities up to 5000 m/min. The crystallinity, birefringence, tensile strength, Young's modulus and yield strength all exhibit maxima at take-up velocities between 2000 and 3000 m/min. The boiling water shrinkage exh