Material Analysis
6 조회수
POM regrind recycling degradation
문제 현상
POM regrind degrades severely after multiple mechanical recyclings and cannot be used.
원인 분석
Repeated processing thermal history of POM causes continuous release of formaldehyde and a sharp decrease in molecular weight.
해결 방법
Strictly control the number of times the regrind is used (no more than 2 times); add formaldehyde scavengers and stabilizers.
핵심 요약
POM recycling is limited.
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