FIBRE-REINFORCED COMPOSITE COMPONENTS AND PRODUCTION THEREOF

摘要

The invention relates to fibre-composite components, obtained for example by impregnating fibres with a reaction resin mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said components.

主权项

1. A fiber composite component based on polyisocyanurate and on polyurethane, comprising one or more fiber layers impregnated with polyurethane and polyisocyanurate, wherein the polyurethane and polyisocyanurate are obtainable from a reaction mixture consisting of
A) one or more polyisocyanates B) one or more polyols C) one or more polyepoxides D) one or more latent catalysts E) optionally additives and F) optionally fiber material, wherein the mixture has a viscosity at 25° C. of 20 to 500 mPas, measured to DIN EN ISO 1342, a ratio of the number of NCO groups in component A) to the number of OH groups in component B) of 10:1 to 16:1, a ratio of the number of NCO groups in component A) to the number of epoxy groups in component C) of 2:1 to 25:1, and a ratio of the number of epoxy groups in component C) to the number of moles of latent catalyst in component D) of 1.1:1 to 12:1.