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BuKePrinting >> Questions >> 什麽是覆膜

什麽是覆膜

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-12 | 461 Views | Share:
覆膜就是將塗布黏合劑後的塑料薄膜,與紙質印刷品經加熱加使之黏合在一起,形成紙塑合一的產品。它是目前常見的紙質印刷品,印後加工工藝之一。經過覆膜的印刷品,由於錶面多了層薄而透明的塑料薄膜,錶面更加平滑光亮,不但提高了印刷品的光澤度和牢度,延長了印刷品的使用壽命,同時塑料薄膜又起到防水、防污、耐磨、耐折、耐化學腐蝕等保護作用。

什麽是覆膜

覆膜就是將塗布黏合劑後的塑料薄膜,與紙質印刷品經加熱加使之黏合在一起,形成紙塑合一的產品。它是目前常見的紙質印刷品,印後加工工藝之一。經過覆膜的印刷品,由於錶面多了層薄而透明的塑料薄膜,錶面更加平滑光亮,不但提高了印刷品的光澤度和牢度,延長了印刷品的使用壽命,同時塑料薄膜又起到防水、防污、耐磨、耐折、耐化學腐蝕等保護作用。

如果採用透明亮光薄膜覆膜,覆膜產品的印刷圖文顏色更鮮艷,富有立體感特別適合綠色食品等商品的包裝,能夠引起人們的食欲和消費欲望。如果釆用亞光薄膜覆膜,覆膜產品會給消費者帶來一種高貴、典雅的感覺。因此,覆膜後的包裝印刷品,能顯著提高商品包裝的檔次和附加值。目前,常見的覆膜包裝產品有紙箱、紙盒、手提袋、化肥袋、種子袋、不乾膠標簽等。



根據所採用原材料和設備的不同,可以將覆膜工藝分為,即塗膜覆膜工藝和預塗膜覆膜工藝兩種。即塗膜覆膜工藝所用的薄膜,是現塗布的所使用的黏合劑,一般有溶劑型和乳液型兩種,並且是隨用隨配的。而預塗膜覆膜工藝所用的薄膜,是預先塗布好的,所使用的黏合劑一般有熱熔型和溶劑揮發型兩種。


按照紙質印刷品的覆膜過程又可將覆膜工藝分為3類:乾式覆膜法、濕式覆膜法和預塗覆膜法。

什麽是覆膜
什麽是覆膜

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