The present invention relates to a method for the production of oxazolidinone compounds with low colour intensity, comprising the step of reacting an isocyanate compound with an epoxide compound in the presence of a catalyst which is free of halide anions. The invention further relates to a method for the production of oligooxazolidinone and/or polyoxazolidinone compounds, comprising the step of reacting a polyisocyanate compound with a polyepoxide compound in the presence of said catalyst. The invention further relates to oligooxazolidinone and/or polyoxazolidinone compounds with low colour intensity, obtainable by a method according to the invention.
本发明涉及一种生产低颜色强度的
噁唑烷酮化合物的方法,包括在无卤化物阴离子的催化剂存在下,将
异氰酸酯化合物与环氧化合物反应的步骤。该发明还涉及一种生产寡
噁唑烷酮和/或聚
噁唑烷酮化合物的方法,包括在所述催化剂存在下,将聚
异氰酸酯化合物与聚环氧化合物反应的步骤。该发明还涉及通过本发明方法获得的低颜色强度的寡
噁唑烷酮和/或聚
噁唑烷酮化合物。