B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B32B 7/04 (2006.01) B32B 27/40 (2006.01) C08J 5/12 (2006.01) C09J 175/08 (2006.01)
Patent
CA 2308997
The present invention relates to composite materials made of at least one composite layer of a polyurethane and of a second composite layer which is directly bonded to the first layer and which consists of a thermoplastic material that is different from the polyurethane of layer A). The polyurethane material of layer A) is characterized by a residual content of free reaction components containing ether groups of no more than 400 ppm, and preferably of no more than 100 ppm. The invention also relates to a process for the production of these composite materials and to a method of their use as materials in motor vehicles.
Heitkamper Peter
Rasshofer Werner
Reihs Karsten
Schmidt Manfred
Warth Holger
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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