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深圳步殼印刷​里印工藝

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-09-24 | 436 Views | Share:
里印是指運用反像圖文的印版,將油墨轉印到透明承印材料的內側,從而在承印物的正面表現正像圖文的印刷方法。

                        深圳步殼印刷里印工藝


里印是指運用反像圖文的印版,將油墨轉印到透明承印材料的內側,從而在承印物的正面表現正像圖文的印刷方法。


其優點是色彩鮮艷,受薄膜保護而不退色,不掉色,防潮耐磨。里印油墨在印刷後,油墨上塗有固化劑(AC劑)或貼合劑,


可以和密封薄膜或鋁箔粘合.表印工藝時常按反順序印刷,如白墨放在第一位,而黑墨則安排在最後一單元印刷。


里日工藝則恰恰相反,當然特殊印件則應視其情況面做特殊處理目前,我國里印用量最多的材料是拉伸聚丙烯薄膜(OPP),


里印後一般採用於式復合工藝與其他材料復合,典型的結構如:雙向拉伸聚丙烯薄膜(BOP12um/鋁箔(A9m單向拉伸聚丙烯薄膜(CPP70um)。


工藝過程是用輥塗裝置將溶劑型的乾式黏合劑均勻地塗布於基材上,然後送入熱烘道,使溶劑充分揮發後再與另一層薄膜復合.


深圳步殼印刷里印工藝

深圳步殼印刷里印工藝


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