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Many Kinds Of Packaging Adhesive
- Jun 06, 2017 -

Packaging adhesive are one of the most important auxiliary materials and are widely used in packaging operations. Adhesives are sticky substances that connect two separate materials with their sticky properties. There are many kinds of packing adhesives.

There are many kinds of packaging adhesive, which can be categorized as follows:

According to the source of the materials

1, Natural packaging adhesive

It is derived from the substance of nature. Including starch, protein, dextrin, animal glue, shellac, leather, rosin and other biological adhesives, including asphalt and other mineral binders.

2, artificial packaging adhesive

This is made of man-made substances, including water glass and other inorganic adhesives, as well as synthetic resin, synthetic rubber and other organic binders.

By Usage feature

1, water-soluble packaging adhesive

Water used as a solvent binder, mainly starch, dextrin, polyvinyl alcohol, carboxymethyl cellulose and so on.

2. Hot-Melt Adhesives

It is a solid binder that is used to melt the binder after being heated. General thermoplastic resins can be used, such as polyurethane, polystyrene, polyacrylate, ethylene-vinyl acetate copolymer and so on.

3. Solvent-Type Adhesives

A binder that is insoluble in water and dissolved in a solvent. such as shellac, butyl rubber and so on.

4. Emulsion type Adhesive

More in the water is suspended, such as vinyl acetate resin, acrylic resin, chlorinated rubber and so on.

5, solvent-free liquid packaging adhesive

At room temperature is viscous liquid-like, such as epoxy resin.

The packaging binder is the medium between the label material and the bonding substrate, which acts as a link. According to its characteristics can be divided into permanent and removable two. It has a variety of formulations, suitable for different surface materials and different occasions. Packaging adhesive are the most important ingredient in the technology of self-adhesive materials, which is the key to the application of label.