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復合袋出現的里層現象的原因是什么?
發布于:2020/09/03   平常的生活中復合包裝袋隨處可見,超市里面用來裝零食,糖果,餅干的包裝袋都是用復合塑膠袋來包裝的,很多食品生產廠家在使用復合袋的時候經常會出現有袋子離成層的原因,今天就來幫大家分析一下為什么這些袋子會有離層的現象出現。
In ordinary life, composite bags can be seen everywhere. The bags used to hold snacks, sweets and biscuits in supermarkets are packed with composite plastic bags. Many food manufacturers often have the reason for the bags to separate into layers when using the composite bags. Today, I will help you to analyze why these bags have the phenomenon of separation.
一:材料不行引起的離層
1: Separation caused by poor materials
很多生產廠家以為所有袋子的材料都是一樣的,其實不是這樣的,對于產品的不同特性要求包裝袋的材料是不一樣的,有些產品油份大,有些產品需要進行高溫處理,有些產品需要低溫冷藏,所以袋子的材料選用不對造成的離層是很普遍發生的。
Many manufacturers think that the materials of all bags are the same, but in fact, they are not. For different characteristics of products, the materials of packaging bags are different. Some products have large oil content, some products need high temperature treatment, and some products need low temperature refrigeration. The separation caused by the wrong material selection of bags is very common.

濟南復合袋
JINANComposite bag
二:復合技術不過關引起的離層
2: Separation caused by the failure of composite technology
復合塑料袋就是把二層以上的材料組合在一起做成的包裝袋,我們稱為:復合袋。這些材料都是通過特殊的工藝把這些材料粘合在一起的,如果技術不過關,在復合的過程中膠水用的多或者少都會影響到以后袋子的離層情況。
Composite plastic bag is a kind of packaging bag made of two or more layers of materials. We call it composite bag. These materials are bonded together by special technology. If the technology is not up to standard, the amount of glue used in the process of compounding will affect the separation of bags in the future.
三:復合后熟化時間不夠
3: The curing time is not enough after compounding
復合袋復合過后需要把復合好的材料放到一個恒溫50度的一個環境去進行烘烤,烘烤的時間要達到48個小時,烘烤的目的就是為了把復合過程中的膠水烘烤干。有些生產廠家為了減少生產的時間,烘烤的時候不到就提前拿出來做袋子了,這樣的袋子在過一段時間以后袋子一定會出現離層的情況的。
After the composite bag is compounded, the composite materials need to be baked in an environment with a constant temperature of 50 degrees. The baking time should reach 48 hours. The purpose of baking is to dry the glue in the process of compounding. In order to reduce the production time, some manufacturers take them out to make bags in advance when it is not time to bake. After a period of time, the bags will be separated.
上一篇:氣泡袋的出現為何迅速替代紙箱?
下一篇:印刷膠帶的粘膠是如何進項清理的?
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