Material Analysis
13 مشاهدة
CEF elongation at break low
ظاهرة المشكلة
The elongation at break of the CEF product is <100%, lower than the 200% requirement
تحليل الأسباب
The CEF molecular weight is low, the chain is short and the entanglement is insufficient; the orientation is excessive and the transverse elongation is extremely low; excessive crosslinking restricts chain slippage
الحل
1) Select high-molecular-weight CEF to increase the entanglement density; 2) Reduce orientation and lower the injection speed; 3) Control the crosslinking degree to avoid excessiveness
الخلاصة الأساسية
Low elongation at break is caused by low molecular weight and orientation; selecting high MW and reducing orientation are the key
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