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Polyacrylonitrile and dicyandiamide reactant and its modified products

 Last Update: 2021-11-05
 Source: Internet
 Author: User

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Polyacrylonitrile and dicyandiamide reactant and its modified products

Looking for high-efficiency decolorizers for wastewater produced in the process of dye production and printing and dyeing is one of the research directions of wastewater treatment

[Preparation method] Polyacrylonitrile (PAN) and dicyandiamide (DCD) are thoroughly mixed in N,N-dimethylformamide (DMFA) solution, under alkaline conditions, heated to 100°C, stirred vigorously, and reacted After 4h, it was neutralized with hydrochloric acid , cooled, washed with water, and filtered with suction.

In addition, in order to further improve the flocculation performance of the reactant of polyacrylonitrile and dicyandiamide, Gao Huaxing et al.

Related link: Mannich reaction product of acrylamide-acrylic acid copolymer

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