Extrusion & Post
4 조회수
Weak adhesion of PLA to paper/paperboard lamination
문제 현상
The adhesion between PLA and the paper base of PLA coated paper products is insufficient.
원인 분석
The wettability of PLA to the paper base is not enough and the adhesion is weak; the surface treatment of the paper base is insufficient.
해결 방법
Corona or primer treatment of the paper base; increase the PLA coating temperature to improve wettability.
핵심 요약
The adhesion of PLA paper base lamination is the key to packaging.
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