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[Preparation method] Poly-2-acrylamido-2-methylpropanesulfonic acid is mainly prepared by free radical polymerization of 2-acrylamido-2-methylpropanesulfonic acid monomer.
The reaction formula is:
The preparation of poly-2-acrylamido-2-methylpropanesulfonic acid generally adopts an aqueous solution polymerization method.
The specific process is: add 657.