方底袋塑料是主要成分。為了提高方底袋塑料性能，還會加入各種輔料，如填料、增塑劑、潤滑劑、穩定劑、著色劑等。方底袋一般由合成樹脂制成，底部為方形，因此得名。它可以像一個紙板箱一樣展開，有不同的長度、寬度和高度，并可根據待包裝產品的不同尺寸“量身定制”。

Square bottom bag plastic is the main component. In order to improve the plastic performance of the square bottom bag, various auxiliary materials, such as fillers, plasticizers, lubricants, stabilizers, colorants, etc., will also be added. The square bottom bag is generally made of synthetic resin, and the bottom is square, so it is named. It can be unfolded like a cardboard box, with different lengths, widths and heights, and can be "customized" according to different sizes of products to be packaged.

濟南方底袋一般有五面，正面和背面，兩面和底部。方底袋獨特的結構決定了包裝立體商品或方形產品非常方便。這種袋子既兼顧了塑料袋的包裝意義，又充分拓展了新的包裝思路，所以現在被廣泛應用于日常生活和生產中。

Jinan square bottom bag generally has five sides, front and back, two sides and bottom. The unique structure of the square bottom bag determines that it is very convenient to package three-dimensional goods or square products. This kind of bag not only gives consideration to the packaging significance of plastic bags, but also fully expands new packaging ideas, so it is now widely used in daily life and production.

方底袋有兩種聚合物結構：

The square bottom bag has two polymer structures:

1.線型結構，具有這種結構的高分子化合物稱為線型高分子化合物。

1. Linear structure, the polymer compounds with this structure are called linear polymer compounds.

3.形狀結構，具有這種結構的高分子化合物稱為形狀高分子化合物。有些聚合物有支鏈，稱為支化聚合物，屬于線性結構。有些聚合物雖然分子間有交聯，但交聯較少，稱為網絡結構，屬于體結構。兩種不同的結構，呈現出兩種截然相反的表現。

3. Shape structure. Polymers with this structure are called shape polymer compounds. Some polymers have branched chains, called branched polymers, which belong to linear structures. Although some polymers are cross-linked between molecules, they are less cross-linked. They are called network structures and belong to bulk structures. The two different structures present two diametrically opposite manifestations.

方底袋的定制在生產加工前需要一個復雜的溝通過程，包括材料組合、袋型、尺寸、厚度、數量、印刷圖案等。包括是否容易撕裂、拉鏈、掛孔和通氣孔等細節。所有這些都需要在制版前確定。然后，方底袋廠家會根據具體要求制作板材、訂購材料，開始準備生產。

The customization of square bottom bags requires a complex communication process before production and processing, including material combination, bag type, size, thickness, quantity, printing patterns, etc. Including details such as whether it is easy to tear, zipper, hanging hole and vent. All these need to be determined before plate making. Then, the square bottom bag manufacturer will make plates and order materials according to specific requirements, and begin to prepare for production.

我們來看看方底袋的具體加工流程：

Let's take a look at the specific processing process of square bottom bag:

1.印刷：方底袋的圖案印刷在此環節完成；

1. Printing: The pattern printing of square bottom bag is completed in this link;

2.復合：將不同材料的薄膜層壓在一起；

2. Composite: Laminate the films of different materials together;

3.固化：將復合好的薄膜放入固化室內，使每層薄膜更好地復合在一起；

3. Curing: Put the composite film into the curing room to make each film better composite;

4.制袋：一個完整的方底袋就是這樣制作的。

4. Bag making: A complete square bottom bag is made in this way.

方底袋的出現為我們的產品包裝提供了不少的方便。方底袋的質量非常的不錯，可以使得產品能夠有好的包裝效果。我們是方底袋的生產廠家，如果大家對于方底袋還有哪些想要了解的，可以聯系我們http://www.tjsxmxl.com！

The appearance of square bottom bag provides a lot of convenience for our product packaging. The quality of the square bottom bag is very good, which can make the product have a good packaging effect. We are the manufacturer of square bottom bags. If you want to know more about square bottom bags, please contact us http://www.tjsxmxl.com ！