The invention relates to novel bridged phosphorus compounds comprising an alkyl sulfone bridge or an alkyl phosphine oxide bridge with the general formula (I)
wherein n is 2 or 3, and wherein
and wherein [P(O)]-H is selected from various phosphorus containing compounds. Such bridged compounds are useful as flame retardant substances, particularly as an admixture into polymeric materials.
本发明涉及新型桥接
磷化合物,该化合物由烷基砜桥接或烷基氧化膦桥接组成,通式为 (I)
其中 n 为 2 或 3,且
其中[P(O)]-H 选自各种
含磷化合物。这类桥接化合物可用作阻燃物质,特别是作为聚合物材料的混合物。