Molding Process
6 Aufrufe
Large fluctuation of PVA impact strength
Problembeschreibung
PVA product impact strength fluctuates ±30%, unstable
Ursachenanalyse
PVA dispersed phase particle size fluctuates 0.2-1μm causing unstable toughening effect; crystallinity fluctuation affects impact
Lösung
1) Stabilize processing conditions to ensure consistent dispersed phase particle size; 2) Nucleating agent to control crystallinity; 3) Raw material batch consistency control
Wichtigste Erkenntnis
Impact fluctuation is caused by unstable dispersed phase and crystallization; stable processing is the key
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