Chelating fiber is prepared through reaction of hydroxylamine on textile polyacrylonitrile fiber and nitrile group changed into amid-oxime group.

• 聚丙烯腈纤维与羟胺试剂通过化学反应,腈基转变为偕胺肟基团,使聚丙烯腈纤维改性成为对金属离子具有螯合能力的螯合纤维。