Extrusion & Post
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Difficult post-stretching of PLA fiber
Fenómeno do problema
The elongation of PLA fiber is insufficient during stretching and setting.
Análise das causas
The molecular structure of PLA is simple and it is not easy to further stretch after orientation, and the elongation is low.
Solução
Control the stretching temperature above Tg and stretch gently.
Conclusão principal
PLA fiber stretching is sensitive to temperature.
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