Extrusion & Post
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PBAT fiber spinning
Fenómeno do problema
PBAT fiber spinning processing, insufficient strength and uniformity.
Análise das causas
PBAT melt spinning strength; molecular weight distribution; spinning temperature; draw ratio; post-treatment.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solução
①Molecular weight selection; ②spinning temperature optimization; ③drawing process; ④post-treatment; ⑤performance testing.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PBAT fiber is a differentiated application; process optimization improves performance; testing verifies quality.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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