Production & Quality
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Stress cracking of EAA
문제 현상
The cracking time of EAA products under the action of stress + chemicals is <100h
원인 분석
Under stress, the molecular chains of EAA are attacked by chemicals at an accelerated rate; environmental stress cracking is a typical failure mode of polyolefins
해결 방법
1) Reduce the internal stress of the product by annealing treatment; 2) Select high molecular weight EAA to improve ESC resistance; 3) Avoid contact with aggressive chemicals
핵심 요약
Stress cracking is caused by stress-accelerated chemical attack; annealing and high MW are the key
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