Extrusion & Post
7 조회수
POE film printing adhesion poor
문제 현상
POE film ink adhesion after printing
원인 분석
POE surface polarity has poor affinity with ink; corona treatment effect decays quickly; ink system does not match POE
해결 방법
1) Print immediately after corona treatment, within 24h; 2) Use POE-specific ink; 3) Increase corona power to 15-20kW/m² to ensure surface tension >42mN/m; 4) Flame treatment to assist surface polarization
핵심 요약
Poor printing adhesion is caused by insufficient surface polarity; corona treatment and special ink are key
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