Material Analysis
11 조회수
Low Elongation at Break of CMC
문제 현상
Elongation at break of CMC products <100%, lower than the 200% requirement
원인 분석
CMC molecular weight is low, chains are short and entanglement is insufficient; excessive orientation makes transverse elongation extremely low; excessive crosslinking limits chain slippage
해결 방법
1)Select high-molecular-weight CMC to increase entanglement density; 2)Reduce orientation and lower injection speed; 3)Control crosslinking degree to avoid excess
핵심 요약
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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