Injection Molding
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POE toughened PP flowability greatly reduced
Problembeschreibung
POE/PP MFR drops from 15 to 3-5, injection short shot
Ursachenanalyse
POE molecular weight high and viscosity large, adding 15-20wt% viscosity rises significantly
Lösung
1) Low viscosity POE MFR>5; 2) Temperature 185-200°C; 3) Oxidized PE wax 0.3-0.5wt%; 4) POE+talc synergy
Wichtigste Erkenntnis
Flowability reduction can be balanced with low-viscosity grades and processing aids
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