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N-Diphosphonomethacrylamide dimethyldiallylammonium chloride copolymer

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

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N-Diphosphonomethacrylamide dimethyldiallylammonium chloride copolymer

[Preparation method] N-diphosphonomethacrylamide-dimethyldiallylammonium chloride copolymer has two methods: ①Firstly, it uses acrylamide and dimethyldiallylammonium chloride monomer to carry out Copolymerization to produce acrylamide-dimethyldiallylammonium chloride copolymer, and then Mannich reaction is used to give the copolymer a phosphono group; ②Directly use acrylamide-dimethyldiallylammonium chloride copolymer Mannich reaction to prepare an amphoteric copolymer

(1) Preparation method 1

In a certain mass fraction of acrylamide and dimethyl diallyl ammonium chloride monomer solution (10% to 25%), add 0.

(2) Preparation method 2

The copolymer of acrylamide and dimethyl diallyl ammonium chloride with a relative molecular mass of 3.

Related link: Acrylic acid-acrylamide copolymer modified by aziridine

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