METHOD TO GENERATE PARTICLE MATS FROM REACTIVE PU SYSTEMS

The present invention is directed to a composite element comprising a layer consisting of a network having repeating units which comprise nodes and edges, wherein the composite element has a height H vertical to each element's longitudinal extension, which is in the range of from 1 to 10000 mm, and wherein the layer has a volume, a longitudinal extension and a maximum height h vertical to the longitudinal extension and comprises a polymeric material with cellular structure. The present invention further is directed to a process for producing a composite element according to the present invention, as well as the use of a composite element according to the invention or a composite element obtained or obtainable by a process according to the present invention as a design element, damping element, preferably as damper for seismic vibration control of constructions, preferably buildings or bridges; sound damping element, body protector; mattress or part of a mattress, furniture or flooring element, element of automotive industry, preferably dashboard, bearing, tire, sport article, shoe, preferably a shoe sole, more preferably a part of a shoe sole.