Laminated films, also known as multilayer films, are used in many areas of industry. These are multi-layer packaging films that are produced by laminating, extruding and laminating. Laminated films consist of several layers, each of which is produced for a specific application. The respective film layers are usually laminated or extruded. An adhesive lamination, which can be solvent-free or contain solvents, is used to build up individual monofilms to form the composite.
\nComposite films have different properties depending on the backing material. Such composite films are usually made of polyamide, cellophane, polyvinyl chloride and polyester.<\/p>\n
Generally speaking, laminated films have versatile properties. They have good UV and light protection, barrier protection against humidity and temperature, gloss, sealability and good tear and puncture resistance. Composite films are also stretchable and can be thermoformed very well. They have high mechanical strength and are weather and cold resistant. The specific composites allow the properties to be varied according to the area of application. Humidity or temperature resistance are of particular interest here.<\/p>\n
Composite films are mainly used in the packaging industry. These include the pharmaceutical, food and construction industries. Insulation manufacturers mainly use these films.
\nIn the food industry, composite films are mainly used to package food for longer shelf life. Meat and sausage products and, above all, ready meals can therefore be packaged very well and safely. This also includes aluminum foil, which is used as a laminate.<\/p>\n
The temperature resistance of the film laminates is particularly important for frozen products. The films are produced specifically for the many areas of the food industry. Flexible food packaging usually consists of two or more layers of film.<\/p>\n
For this purpose, the films are often vaporized with metal or coated with silicon oxide. This achieves the necessary barrier properties. Lacquering is another type of coating. This is mainly used to achieve high-gloss surfaces.<\/p>\n
Different adhesives are also used here. This results in a multitude of possibilities for different laminated films. Each film composite represents the solution for a specific requirement and application.<\/p>\n