What are the characteristics of cross-linked film?

Cross-linked film is actually a kind of shrink film, which is suitable for packaging products with certain special needs, such as electronic products, banknotes, lottery tickets and other special products. The shelf effect of cross-linked film is also very good. So what are the characteristics of cross-linked film?

By optimizing the raw material formula and polymerization process, the water-based resin synthesized by the cross-linked film has the characteristics of adjustable carboxyl content, small particle size, easy solubility in water, and compatibility with multivalent metal cross-linking agents. POF cross-linked heat shrinkable film has a very good shrinkage rate, and the seal is firm and durable, and the shrinkage temperature range is wider.

The main properties of cross-linked film are as follows:

1) Surface treatment strength. PE has extremely low surface tension and needs to be corona treated before printing. Therefore, corona treatment strength is a key indicator for film printing

2) Excellent mechanical properties, such as longitudinal and transverse tensile strength, fracture productivity, etc. POF cross-linked film has excellent tensile properties and is easy to stretch and deform.

3) Various resistances, such as friction resistance, sun resistance, and solvent resistance.

4) For occasions with high hygiene requirements, pay attention to the solvent residue characteristics of the film when printing.

Cross-linked film is also an environmentally friendly material. It is an odorless product packaging bag with active active genes. It can react with double bonds, hydroxyl groups and other genes under the action of a catalyst. It is the basic raw material for products such as foam leveling agents, defoamers, and water-soluble silicone oils. It has excellent waterproof properties and can be used as a waterproof agent for glass, paper, metal, ceramics, cement and other items.

This is roughly the introduction to the characteristics of cross-linked film. At present, cross-linked film is mainly used in various fields of flexible packaging, such as cosmetics packaging. Because after cross-linking treatment, the physical indicators of each sample are very good, it is also suitable for heavy packaging and special-shaped packaging, such as home decoration combination product packaging.