Material Analysis
11 조회수
MP insufficient toughness brittle fracture
문제 현상
MP product elongation at break <50%, brittle fracture without yielding
원인 분석
MP molecular weight low, toughness foundation insufficient; excessive crosslinking loses toughness; coarse crystallization increases brittleness
해결 방법
1) select high molecular weight MP to improve toughness; 2) control crosslinking degree to avoid excess; 3) nucleating agent to refine crystallization and improve toughness
핵심 요약
insufficient toughness is caused by low molecular weight and coarse crystallization; selecting high MW is key
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