Dimethylformamide(DMF)is widely used in leather industry, polyacrylonitrile fibre spinning and butadiene extraction craft as an important organic solvent.

二甲基甲酰胺（DMF）是一种重要的有机溶剂，被广泛应用于合成革生产、聚丙烯腈抽丝、丁二烯抽提等工艺中。

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The polyacrylonitrile powder was hydrolyzed in a caustic solution. The obtained product was treated by either crosslinking or adding an external crosslinking agent to produce the absorbent resin.

将聚丙烯腈粉末用碱水解，所得到的产物分别用外加交联剂法和热交联法交联，制备高吸水性树脂。

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