Material Analysis
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POM regrind recycling degradation
Problembeschreibung
POM regrind degrades severely after multiple mechanical recyclings and cannot be used.
Ursachenanalyse
Repeated processing thermal history of POM causes continuous release of formaldehyde and a sharp decrease in molecular weight.
Lösung
Strictly control the number of times the regrind is used (no more than 2 times); add formaldehyde scavengers and stabilizers.
Wichtigste Erkenntnis
POM recycling is limited.
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