METHOD FOR THE PRODUCTION OF NEW PACKAGING MATERIALS OR INSULATING MATERIALS FOR CONSTRUCTION PURPOSES AS A SUBSTITUTE FOR POLYSTYRENE CHIPS OR SPHERES AND POLYURETHANE-FOAM PRODUCTS, PLUS EXPANDED MATERIAL MADE BY THIS METHOD.

摘要

The method disclosed is characterized in that starch-containing and/or protein-containing raw materials and organic waste materials, plus additives to improve the elastic properties and/or the sorption isotherm, are expansion-extruded and the extrudate coated with fibrous organic waste materials plus biodegradable binders.