Extrusion & Post
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Bubble problem of PBS biodegradable material in sheet extrusion
Problembeschreibung
Polybutylene succinate PBS shows bubble in sheet extrusion processing at 140-200°C.
Ursachenanalyse
Caused by poor thermal stability of PBS and abnormal flow.
Lösung
Improved by shortening the residence time.
Wichtigste Erkenntnis
The degradation characteristics of PBS require gentle processing.
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