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BuKePrinting >> Design >> 什麽是印刷工藝的在線預處理

什麽是印刷工藝的在線預處理

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-28 | 593 Views | Share:
在線預處理則是在聚酯薄膜生產過程中同時在其錶面塗一層樹脂類物質,經高溫固化後形成一層牢固樹脂層。樹脂里含有多種活性基團,可以與油墨樹脂中某些活性基團或鍍鋁層發生化學反應,因而對它們有很強的附著力。

什麽是印刷工藝的在線預處理

電暈處理後的薄膜對鍍鋁層和油墨都有較強的附著力,可用於鍍鋁或印刷。然而在使用過程中發現,在潮濕季節里或者當儲存時間較長時,電暈處理膜有時會出現印刷不上或鍍鋁層不牢的現象。這是因為空氣中的許多物質,如水分、灰塵等均可吸附在活性中心上,導致電暈處理膜的吸附能力變差。


在線預處理則是在聚酯薄膜生產過程中同時在其錶面塗一層樹脂類物質,經高溫固化後形成一層牢固樹脂層。樹脂里含有多種活性基團,可以與油墨樹脂中某些活性基團或鍍鋁層發生化學反應,因而對它們有很強的附著力。

塗層中的活性基團不同於電暈處理膜錶面,它們對空氣中水分和塵埃的吸附力較弱,因而沒有電暈處理膜的缺點。

剝離強度測試結果證實,塗覆膜不僅剋服了電暈處理膜的上述缺點,而且對油墨和鍍鋁層的附著力明顯高於未處理膜和電暈處理膜。

什麽是印刷工藝的在線預處理
什麽是印刷工藝的在線預處理

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