| 摘要 |
The present invention relates to a polyurethane composite system comprising a rigid polyurethane foam and a coating material composed of a compact polyurethane or a compact polyurea, wherein the rigid polyurethane foam comprises a porous three-dimensional reinforcing material which forms a network, where the network encloses at least 50% of the volume of the rigid polyurethane foam, or at least two layers of a porous, at least two-dimensional reinforcing material. The present invention further relates to a process for producing the polyurethane composite system and also a sports article, cladding part or furniture item comprising such a polyurethane composite system.
|
