Extrusion & Post
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Difficult post-stretching of PLA fiber
Fenómeno del problema
The elongation of PLA fiber is insufficient during stretching and setting.
Análisis de la causa
The molecular structure of PLA is simple and it is not easy to further stretch after orientation, and the elongation is low.
Solución
Control the stretching temperature above Tg and stretch gently.
Conclusión clave
PLA fiber stretching is sensitive to temperature.
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