Molded structure comprising a thermoplastic, process for its...

Details Molded structure comprising a thermoplastic, process for its... Molded structure comprising a thermoplastic, process for its...

C - Chemistry, Metallurgy

08

J

C08J 9/02 (2006.01) B01D 39/16 (2006.01) B29C 44/56 (2006.01) B29C 47/00 (2006.01) C08J 9/00 (2006.01)

Patent

CA 2129278

A molded structure 1 produced by extrusion, such as an expanded plastic foam, a sheet, a profile or the like, contains at least 10% by volume of open cells 2, 4 which have a polyhedron-like shape and are adjacent to one another. A higher temperature during the extrusion in comparison with the extrusion of thermoplastic molded structures having a closed-cell structure results in deformation-free opening of the cells. Webs 3 of cell walls 5, 6 remain intact in shape whether they have orifices 7 or no passages, so that the mechanical strength of the cell skeleton or of the space matrix is retained.

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