POLYURETHANE-CONTAINING MULTI-LAYER BLOCK AND METHOD TO PRODUCE IT Russian patent published in 2008 - IPC B32B5/22 

FIELD: transportation.

SUBSTANCE: invention relates to multilayer blocks for manufacturing details for external parts of vehicles. The multilayer block consists of an internal layer from thermoformable polyurethane foamed plastics, paper, metal or plastic honeycombs fibrous layers furnished on both sides of the internal layer and reinforced by polyurethane. The block also includes an external layer with an A surface quality class selected from the group containing metal foil or tin, as well as compact thermoplastic plastic components from polymethylmethacrylate, acryl ether of modified styrene-acrylonitrile-terpolymer, polycarbonate, polyamide, polybutyleneterephthalate and/or polyphenyl oxide on the layer of the fibre. If necessary, the block includes a decorative layer selected from the group, containing textile substances, covered, to protect against foaming, by a film from thermoplastic polyurethane, compact or foamed polymer films, as well as evaporated of RIM-films from polyurethane on the second layer of the fibre.

EFFECT: high-quality surfaces of details for external sites of whatever vehicles with A-class surface.

2 cl, 3 ex