Process for the production of a multi-layer sheet structure...

Details Process for the production of a multi-layer sheet structure... Process for the production of a multi-layer sheet structure...

B - Operations, Transporting

32

B

154/123, 18/641,

B32B 1/06 (2006.01) B29C 44/04 (2006.01) B29C 51/14 (2006.01) B32B 27/00 (2006.01) B29C 51/08 (2006.01)

Patent

CA 1052680

ABSTRACT OF THE DISCLOSURE Multi-layer sheet structures, shaped elements and the like laminates having at least one layer of polyurethane foam material are produced by bonding at least one side of the poly- urethane foam layer under the action of heat to a layer of crosslinked polyethylene foam material. The process of the invention, while eliminating the use of adhesion promoters, enables one to obtain sheet structures wherein the bonding strength which is produced between the polyurethane foam material and the crosslinked polyethylene foam material exceeds to some extent the tensile strength of the individually used foam plastics materials. These sheet structures exhibit in particular good cushioning and upholstering properties.

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