In the paper, the synthetic methods of O-substituted hydroxylammonium salt were reviewed and the prospects were discussed. 摘要综述了氧取代羟胺盐的几种合成方法,并对其前景做了展望。
Using lignin exstracted from papermaking black liquor as a raw material,the synthesis of a quaternary ammonium salt of lignin has been carried out. 以从造纸黑液中提取的木质素为原料,合成木素季胺盐絮凝剂。