Sodium acrylamido-2-methylpropanesulfonate-N-vinyl-N-methylacetamide dimethyldiallylammonium chloride copolymer

Sodium acrylamido-2-methylpropanesulfonate-N-vinyl-N-methylacetamide dimethyldiallylammonium chloride copolymer

[Preparation method] Sodium acrylamido-2-methylpropanesulfonate-N-vinyl N-methylacetamide-dimethyldiallylammonium chloride copolymer was prepared by inverse suspension polymerization method, reaction The formula is as follows:

Suspend acrylamido sodium 2-methyl propane sulfonate, N-vinyl N methyl acetamide and dimethyl diallyl ammonium chloride in butanol, and use azodiisobutyl under the protection of N ₂ Nitrile (AIBN) was polymerized at 75～80℃ for 2h to synthesize an amphoteric polymer terpolymer with sulfonic acid group and quaternary ammonium group

Acrylamido-2-methylpropanesulfonate sodium acrylate-ethyl acrylate trimethylammonium chloride copolymer

[Preparation method] Acrylamido-2-methylpropanesulfonate sodium acrylate sodium ethyl acrylate trimethylammonium chloride copolymer is mainly prepared by aqueous solution polymerization method, the reaction formula is:

(1) Preparation method 1

The mixed aqueous solution of sodium acrylamido-2-methylpropanesulfonate and sodium acrylate is under the protection of nitrogen, and the redox initiation system is used to initiate polymerization at 55°C for 4 hours.

(2) Preparation method 2

Mix acrylamido-2-methyl propane sulfonate sodium, sodium acrylate and ethyl acrylate trimethyl ammonium chloride at a molar ratio of 0.

Related links: Acrylamide-Dimethyldiallylammonium Chloride-Maleic Acid Copolymer