申请人:Albright & Wilson Limited
公开号:EP0281311A2
公开(公告)日:1988-09-07
Phosphine oxides in particular bis hydroxymethyl phosphine oxides for use as flame retardants are made by rearrangement of hydroxymethyl phosphonium compounds on heating in aqueous medium with removal of by product aldehyde.
用作阻燃剂的
磷化氢氧化物,特别是双羟甲基
磷化氢氧化物,是通过羟
甲基膦化合物在
水介质中加热并去除副产物醛后发生重排反应而制成的。