摘要 |
The invention relates to a method for producing at least one resin, comprising the mixing of at least one polyisocyanate with at least one polyepoxide, wherein the reaction occurs in the presence of a catalyst system based on at least one metal-free Lewis base having at least one nitrogen atom. The invention further relates to resins that can be obtained in accordance with a method according to the invention and to the use of a resin that can be obtained in accordance with a method according to the invention or of a resin according to the invention to produce seals, to produce components for rotor blades, boat hulls, or vehicle body parts, or for coatings. |