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Poly-N-dimethylaminopropyl methacrylamide
[Preparation method] Since the product is mostly quaternary ammonium salt, this method focuses on the preparation process and conditions of the N-dimethylaminopropyl methacrylamide quaternized polymer
(1) Monomer preparation
In a 2L flask equipped with a stirrer, a distillation column, a dropping funnel and a thermometer, 688.
(2) Preparation of N-dimethylaminopropyl methacrylamide quaternary ammonium salt
In a 1.
(3) Aggregation
Dilute 50 g of the methacrylamidopropyl hydroxyethyl dimethyl ammonium acetate aqueous solution prepared above with 50 g of deionized water, then fill with nitrogen at 30°C for 1 hour, and then add 0.
Related link: Poly-N-dimethylaminomethacrylamide emulsion