Methods Of Improving The Gloss Of Woven Bags

The method of improving the gloss of woven bags includes two aspects, one is to improve the surface gloss of plastic woven bag products, which is called brightening modification; the other is to reduce the surface gloss of plastic woven bag products, which is called extinction modification. sex. In addition to the reasonable selection of raw materials, the specific methods of brightening plastic woven bags include adding brightening methods, blending brightening methods, shape control brightening methods, molding equipment finish control, secondary processing brightening methods and surface coating. layer brightening methods, etc.

In the selection of raw materials for woven bags, plastic raw materials can be divided into two categories: resins and additives. It is generally believed that the glossiness of the products corresponding to the following resins is better: melamine resin, ABS, PP, HIPS, PA, POM, PMMA, PPO, etc. Among them, the glossiness of melamine resin and ABS is more prominent.

In addition to gloss, woven bags also require flatness. Generally, the surface of the plastic woven bag is not very flat and smooth due to the interweaving of warp and weft. The uneven surface of the plastic woven bag makes the printed image uneven. In order to achieve a better printing effect, it is necessary to improve the flatness of the plastic woven bag , and then print. This not only improves flatness, but also provides a very adaptable print surface for printing.