Process for the production of composite sheet bodies which...

Details Process for the production of composite sheet bodies which... Process for the production of composite sheet bodies which...

B - Operations, Transporting

32

B

B32B 5/20 (2006.01)

Patent

CA 2167130

The present invention relates to a process for the production of composite sheet bodies by back-foaming a flexible facing with a polyurethane foam forming reaction mixture. This polyurethane foam is characterized by a density of less than 300 g/l, preferably from 20 to 150 g/l, and optionally contains isocyanurate groups. Suitable flexible facings include those having a thickness of less than mm, preferably less than 2 mm. This composite bodies produced by this process are suitable for use in the automobile sector as self-supporting components. Conventional stiffening elements are not necessary to produce these self-supporting composite bodies.

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