All About Laminating

The three types of lamination

1)Dry lamination

is a method in which a adhesives diluted with an organic solvent is coated on a base material (film), dried in a drying zone, and then laminated to the other base material by nipping with a heated roll.

Characteristics

Necessary to choose adhesives that are suitable for the requirements of packaging materials such as heat and chemical resistance.

2)Solvent free lamination

A multi-stage roll is used for the coating. adhesives that does not use organic solvents is heated to coat it to a thin film and then laminated.

Characteristics

Since organic solvents are not used, VOC emissions are drastically reduced, and this laminating method is excellent in environmental aspects.
It is possible to provide safe packaging materials that are free of residual solvents, and it also contributes to improving productivity efficiency through high-speed coating.

3)Extrusion laminating

Extrusion lamination is a method in which adhesives (anchor coating agent) is applied to the first base material (film), and thermoplastic resin such as polyethylene resin is melted at a high temperature and extruded into a film form and cooled at the same time as compression bonding.

Characteristics

Laminated films with excellent softness and tearability are obtained and used for liquid and granular packaging and boiled food applications such as pickles.

Laminating adhesives is used to produce films with new functions by laminating different films.

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