Abstract: A gypsum-based building material having increased thermal conductivity and shielding attenuation, a method for producing the building material, a molding containing the building material and a method for producing the molding are provided. The products and methods include adding ground stock formed of compacted expanded graphite to gypsum-based building materials in order to increase the thermal conductivity and the electromagnetic shielding attenuation of the building materials and moldings, for example gypsum cardboards, produced therefrom.
Type:
Grant
Filed:
August 4, 2006
Date of Patent:
July 3, 2012
Assignees:
SGL Carbon SE, Saint-Gobain Rigips GmbH
Inventors:
Werner Guckert, Winfried Spickermann, Heinz-Joachim Butz, Stephan Duckwitz, Dieter Ehlting