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导致鋁箔袋脱层的原因有哪些

2021/01/06 分類:材料新聞 1165 0

鋁箔袋以其出色的特性，深受商家们的青睐，而其不止特性出色，外观也非常亮眼，是消费者们的第一选择。

然而鋁箔袋有時候會出現脫層的情況，下面就爲大家介紹一下脫層的原因有哪些?

首先是操作油墨或膠水出現的問題：一是固化劑在用量上不符合要求;二是油墨或膠水活性不可或摻多了過期失效剩余物;三是熟化時間達不到要求，時間短則交聯不充分，墨層耐溫、耐水解性下降。

其次是油墨或膠水耐熱性出現的問題：耐熱性欠好形成粘度強度不強出現的脫層，在這個層面上來說，是因爲挑選産品材料上的問題，比方或許是油墨和膠耐溫性缺乏。

最後是油墨、膠水及薄膜間的匹配性不符出現的問題：這也是說材料之間的適應性。膠劑類型挑選不妥，或許導致印刷後、複合後、熟化後的附著牢度都不高，所以也會形成脫層。那爲什麽裏層的PA和鋁箔沒有出現問題呢?原因是因爲裏層的膠水層被鋁箔層維護，受到水的腐蝕小。

以上是对于“导致鋁箔袋脱层的原因有哪些”的介绍，希望对您有所帮助。飞富润包装彩印是一家专业的鋁箔袋生产厂家，若您有需要的话可直接联系在线客服，获取相关资料。

本文出自泉州市飛富潤包裝彩印有限公司，轉載請注明出處：/2039.html

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