The invention relates to an improved method for the synthesis of monomeric and polymeric nitrogen-bridged derivatives of dibenz[c,e][1,2]-oxaphosphorin-6-oxides. These substances can be used as flameproofing agents for polyesters, polyamides, polycarbonates, epoxy resins, inter alia polymers.
本发明涉及一种改进的方法,用于合成二苯并[c,e][1,2]-氧
磷杂环戊烷-6-氧化物的单体和聚合物氮桥衍
生物。这些物质可以用作聚酯,聚酰胺,聚
碳酸酯,环氧
树脂等聚合物的阻燃剂。