Material Analysis
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Insufficient EAA toughness, brittle fracture
Problembeschreibung
EAA product elongation at break <50%, brittle fracture without yielding
Ursachenanalyse
EAA molecular weight too low, insufficient toughness foundation; excessive crosslinking losing toughness; coarse crystallization increasing brittleness
Lösung
1) Select high molecular weight EAA to improve toughness; 2) Control crosslinking degree to avoid excess; 3) Use nucleating agent to refine crystallization and improve toughness
Wichtigste Erkenntnis
Insufficient toughness is caused by low molecular weight and coarse crystallization; selecting high MW is key
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