Extrusion & Post
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PBAT printing adhesion
Problembeschreibung
Poor printing ink adhesion on PBAT film, related to surface energy and polarity matching.
Ursachenanalyse
PBAT surface energy; ink system matching; corona treatment; surface contamination; printing process.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
①Corona treatment to increase surface energy; ②ink system matching; ③surface cleaning; ④printing process optimization.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Surface treatment is the key to PBAT printing; corona is the standard method; ink matching affects quality.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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