Article | REF: AG6751 V1

Packaging glues and adhesives - Applications

Author: Philippe COGNARD

Publication date: October 10, 2004

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5. Extrusion-coating

This involves coating a substrate (paper, aluminum, etc.) by extruding a layer of molten polymer with subsequent heat-sealing properties.

Thanks to their excellent adhesion to paper, cardboard, aluminum and many other polymers, ethylene-acrylic ester copolymers are ideal for use either as binders or as sealing layers in extrusion-coating and co-coating processes.

  • These qualities offer the following advantages:

    • excellent stretchability ;

    • very good adhesion to a wide range of substrates, including aggressive food products;

    • good adhesion to inks ;

    • Suitable for mixing with polyethylene in all proportions ;

    • excellent welding properties (weldability...

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