Production of sheet-like polyurethane moldings

Details Production of sheet-like polyurethane moldings Production of sheet-like polyurethane moldings

B - Operations, Transporting

29

C

B29C 70/46 (2006.01) B29C 44/56 (2006.01) C08J 9/40 (2006.01)

Patent

CA 2197486

In a process for producing sheet-like polyurethane moldings by impregnation of porous sheets with a polyurethane system and subsequent reaction of the polyurethane system in a mold, the porous sheet is first fully impregnated with a polyurethane component, then fully impregnated with the other polyurethane component and the molding is then produced in a heated mold by reaction of the polyurethane components.

L'invention concerne un procédé de production de moulures en feuilles de polyuréthanne par imprégnation de feuilles poreuses avec un système polyuréthanne et par réaction subséquente de ce système dans un moule. La feuille poreuse est complètement imprégnée d'un premier composant polyuréthanne, puis d'un deuxième composant polyuréthanne. La moulure est produite dans un moule chauffé par réaction des composants polyuréthannes.

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