申请人:Covestro Deutschland AG
公开号:EP3357949A1
公开(公告)日:2018-08-08
Method for the production of polyoxazolidinone compounds, comprising the reaction of at least one biscarbamate compound (A) with at least one bisepoxide compound (B) in the presence of at least one base (D), at least one Lewis acid catalyst (E), and optionally at least one compound (C), wherein the compound (C) comprising a mono-carbamate group, a mono-isocyanate group and/or a mono-epoxide group, and wherein the base (D) having a pKb-value of ≤ 9. The invention is also related to the resulting polyoxazolidinone compounds.
生产聚噁唑烷酮化合物的方法,包括至少一种双氨基甲酸酯化合物(A)与至少一种双环氧化物化合物(B)在至少一种碱(D)、至少一种路易斯酸催化剂(E)和可选的至少一种化合物(C)存在下反应,其中化合物(C)包括单氨基甲酸酯基团、单异氰酸酯基团和/或单环氧化物基团,碱(D)的pKb值≤9。本发明还涉及由此产生的聚恶唑烷酮化合物。