Armacell Enterprise Gmbh & Co. Kg

Daniel Klusmann

Jürgen Georg Weidinger

Christoph Zauner

Jürgen Weidinger

The present invention relates to an organic composite for thermal and/or acoustic insulation comprising an expanded polymer (A) protected against fire by a high strength polymeric flame retardant layer (B), the process for manufacturing of such composite, and the use of such composite.

Fire protected cellular polymeric insulation

A material comprising an expanded polyalkylidene terephthalate based layer (A) being covered with at least one outer layer (B) comprising at least 50 weight-% of a solvent (including water) soluble inorganic chalcogen based compound, an easy-to-apply, but versatile method for significantly improving the fire retardant, anti-hydrolytic and mounting/coating properties of expanded polyalkylidene terephthalate polyester products by cold coating of the surface layer(s) of foams and sponges, the manufacturing of such products and the use of such products.

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Muenster, Germany

Daniel Klusmann