{
    "content": "The monomers used for synthesizing hydrophilic polymers include acrylamide (AAm) and poly(2-acrylamide-2-methylpropane sulfonic acid sodium salt) (PNaAMPS), where functional groups such as amide and sulfonic acid enhance hydrophilicity through strong interactions with water molecules via hydrogen bonding and ionic interactions, respectively.The monomers used for synthesizing hydrophilic polymers include 2-Acrylamide-2-methylpropane sulfonic acid sodium salt (NaAMPS) and Acrylamide (AAm), where the sulfonic acid group in NaAMPS and the amide group in AAm enhance the hydrophilicity of the corresponding polymers by promoting strong interactions with water through hydrogen bonding and ionic interactions, leading to increased water absorption and improved swelling properties."
}