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      各類不同面料材質拉鏈袋生產要點
      發布于:2024/02/23

      ①BOPP或啞光膜類拉鏈袋

      ① BOPP or matte film zipper bags

      印刷工序:需要使用耐溫性油墨,而不能用普通輕包油墨,版面設計盡量設計為邊封留2mm以上的透明邊為佳,如果整版設計圖案的,盡量設計為有托白設計(即色墨下面有白色油墨層)。

      Printing process: It is necessary to use temperature resistant ink instead of ordinary light pack ink. The layout design should be designed with a transparent edge of 2mm or more for edge sealing. If the entire design is for a pattern, it should be designed with a white ink layer under the color ink as much as possible.

      復合工序:使用的無論是無溶劑還是普通溶劑型膠水,一定是需要耐溫的,而不能使用普通輕包材質性質的膠水,否則,拉鏈頭位置容易出現高溫離層現象。

      Composite process: Whether using solvent-free or ordinary solvent based adhesives, they must be temperature resistant and cannot use ordinary lightweight adhesive materials. Otherwise, the zipper head position is prone to high-temperature delamination.

      底層材料:選擇稍微低溫型的材料,同樣拉鏈材質也盡量使用低溫型材料,以便更好地配合面料材質BOPP或啞光OPP面料本身不是太耐溫的特點。

      Bottom material: Choose slightly low-temperature materials, and also try to use low-temperature materials for zipper materials to better match the characteristics of BOPP or matte OPP fabrics that are not very temperature resistant.

      20231030090040285.jpg

      ②PET或NY鋼性材質類拉鏈袋

      ② PET or NY steel material zipper bags

      由于面料材質屬于鋼性材料,本身屬于耐溫材料,封邊耐溫性非常優良,但是這僅僅是表層的耐溫。對于復合膜而言,還是同樣需要選擇耐溫性油墨和膠水。當然,由于表層耐溫,拉鏈的熱封溫度區間的選擇會有更廣的范圍。

      Due to the fact that the fabric material is made of steel and is itself a temperature resistant material, the edge sealing has excellent temperature resistance, but this is only the temperature resistance of the surface layer. For composite films, it is still necessary to choose temperature resistant ink and glue. Of course, due to the temperature resistance of the surface layer, the selection of the heat sealing temperature range of the zipper will have a wider range.

      ③中間層為VMPET、鋁箔、NY、PET等材質的拉鏈袋

      ③ Zipper bags made of materials such as VMPET, aluminum foil, NY, PET, etc. in the middle layer

      這種結構是特殊的一類拉鏈袋,也有一定的生產難度。無論是和面料BOPP或啞光OPP,還是NY或PET結構相匹配,這個含鍍鋁PET結構的拉鏈袋,都非常讓人頭痛。

      This structure is a special type of zipper bag and also has certain production difficulties. Whether paired with BOPP or matte OPP fabric, NY or PET structure, this zippered bag with aluminum plated PET structure is very headache inducing.

      ,鍍鋁層同面層的復合效果非??简炆a工藝。一旦復合強度太高,鍍鋁層會產生轉移;如果復合強度不夠,又會使熱封性能減弱,熱封拉鏈頭位置容易高溫起皺。但這種不屬于高溫離層。如果復合膠水太強產生鍍鋁轉移,才歸于高溫離層。因此,對于含有鍍鋁PET結構的拉鏈袋,我們需要在鍍鋁復合強度和拉鏈位置熱封的耐溫性之間尋求平衡點。既要求鍍鋁不會產生轉移,也同時能夠讓熱封拉鏈時,特別是拉鏈頭位置,不會產生高溫皺現象,也不會產生高溫離層現象。

      Firstly, the composite effect of the aluminum plating layer and the surface layer is a very challenging production process. Once the composite strength is too high, the aluminum coating will transfer; If the composite strength is not enough, it will weaken the heat sealing performance, and the position of the heat sealing zipper head is prone to high-temperature wrinkling. But this does not belong to the high-temperature ionosphere. If the composite adhesive is too strong and causes aluminum plating transfer, it belongs to high-temperature delamination. Therefore, for zipper bags containing aluminum plated PET structures, we need to find a balance between the aluminum plated composite strength and the temperature resistance of the zipper position heat seal. It is required that aluminum plating does not cause transfer, and at the same time, it can prevent high-temperature wrinkling and delamination when sealing the zipper, especially at the zipper head position.

      因此,我們如何選擇膠水就很關鍵了。目前市場上有很多鍍鋁專用膠水,很多膠水生產商可以提供非常成熟的耐溫聚氨酯膠,也就是復合鍍鋁材質結構同時具備耐溫性質的膠水。

      Therefore, how we choose glue is crucial. At present, there are many aluminum plated adhesives on the market, and many adhesive manufacturers can provide very mature temperature resistant polyurethane adhesives, which are composite aluminum plated material structures with temperature resistance properties.

      同時,熟化也很重要。熟化主要取決于膠水反應的條件,按常理來說,一般是向相對低溫、時間稍長方向來決定熟化工藝。

      Meanwhile, maturation is also important. Maturation mainly depends on the conditions of the glue reaction. Generally speaking, the maturation process is determined by the direction of relatively low temperature and slightly longer time.

      另一點要特別注意的是,每個供應商的膠水都有所不同,所以企業只能具體問題具體分析,不能一概而論。

      Another point to pay special attention to is that the glue used by each supplier is different, so companies can only analyze specific problems and cannot generalize.

      本文由濟南磨砂拉鏈袋友情奉獻.更多有關的知識請點擊:http://www.betkolik96.com真誠的態度.為您提供為的服務.更多有關的知識我們將會陸續向大家奉獻.敬請期待

      This article is a friendly contribution from Jinan frosted zipper bags. For more information, please click: http://www.betkolik96.com Sincere attitude. We will provide you with comprehensive services. We will gradually contribute more relevant knowledge to everyone. Stay tuned

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