{
    "content": "The monomer structures used for synthesizing hydrophilic polymers include vinyl monomers with N-hydroxymethyl or N-alkoxy hydroxymethyl (monomer A1), vinyl monomers with sulfonic acid groups (monomer A2), and alkyl (meth)acrylate monomers (monomer A3), where the functional groups such as N-hydroxymethyl and sulfonic acid groups enhance hydrophilicity by increasing water interactions through hydrogen bonding and ionic interactions, respectively.The hydrophilic polymer part of the block copolymer or graft copolymer is formed from monomers that possess hydroxymethyl, N-hydroxymethyl ether, or hydroxyl functional groups, which enhance hydrophilicity through the ability to form hydrogen bonds with water, thereby improving water interaction and adhesion properties.The hydrophilic polymers are synthesized using monomers such as N-hydroxymethyl or N-alkoxymethyl vinyl monomers (monomer A1) which contain functional groups that facilitate crosslinking and enhance hydrophilicity, sulfonic acid group-containing vinyl monomers (monomer A2) that improve the hydrophilicity of the copolymer and suppress fogging phenomena by having both neutralized and unneutralized sulfonic groups, and alkyl acrylate monomers (monomer A3) that contribute to adhesion and heat resistance, with the alkaline compound used in the formulation neutralizing some of the sulfonic groups in monomer A2 to increase the overall hydrophilicity; these functional groups enhance interactions with water by providing increased polar character and enabling hydrogen bonding with water molecules, which is vital for improving the copolymer's adhesion and resistance to fogging phenomena in high humidity environments."
}