Material Analysis
11 조회수
Large EVOH Creep Deformation
문제 현상
EVOH product creep under long-term load >5%, exceeding the 2% requirement
원인 분석
EVOH elastomer nature has large creep; molecular weight too low, creep resistance poor; not crosslinked, plastic flow large
해결 방법
1) Select high molecular weight grade; 2) Slight crosslinking 0.3wt% DCP to reduce plastic flow; 3) Add rigid filler to reduce creep
핵심 요약
Large creep is caused by elastomer nature; slight crosslinking and rigid filler are key
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