Material Analysis
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Low EAA elongation at break
Fenómeno do problema
EAA product elongation at break <100% below the 200% requirement
Análise das causas
EAA molecular weight too low, short chains with insufficient entanglement; excessive orientation causing extremely low transverse elongation; excessive crosslinking restricting chain slippage
Solução
1) Select high molecular weight EAA to increase entanglement density; 2) Reduce orientation by lowering injection speed; 3) Control crosslinking degree to avoid excess
Conclusão principal
Low elongation at break is caused by low molecular weight and orientation; selecting high MW and reducing orientation is key
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