Sympatex Technologies Gmbh

Henricus J M Van De Ven

Karl Walter Kopp

Jozef C W Spijkers

Gabriele B Wittmann

Method for producing a reflective, waterproof, water-vapor permeable membrane, comprising the following steps, Provision of a waterproof, water-vapor permeable membrane, Provision of a carrier foil, Application of the membrane onto the carrier foil, Application of a metal surface onto the membrane's free surface via a vacuum sputtering process, Application of a waterproof, water-vapor permeable cover layer, Removal of the carrier foil. Reflective, waterproof, water-vapor permeable membrane with a metal coating, which is provided with a continuous cover layer, characterized in that at least 80% of the surface of the active metal coating is retained on the membrane after 3 washings according to DIN EN ISO 6330:2000.

Method for producing a reflective membrane and the membrane produced therewith

A water-vapor-permeable, watertight, heat-reflecting flat composite is made by a process of combining a metal layer and a nonporous, water-vapor-permeable, watertight, hydrophilic flat substrate. The process includes at least the three steps of (1) selecting the substrate, (2) pre-cleaning the substrate, and (3) applying the substrate to the metal layer. Such a composite offers protection from heat loss, infrared-based detection, ultraviolet radiation, electro-smog, and static electricity.

Growing community of inventors

Arnhem, Netherlands

Henricus J M Van De Ven