{
    "content": "The text discusses the use of acid functional monomers such as acrylic acid or methacrylic acid in photoresists, which enhance hydrophilicity through their carboxylic acid groups that facilitate hydrogen bonding and ionic interactions with water, thereby increasing the water solubility and dispersibility of the resulting polymers.The monomers used for synthesizing hydrophilic polymers include those with one or more functional groups that enhance hydrophilicity by increasing interactions with water through mechanisms such as swelling or dissolving in water at normal temperatures.Monomers or oligomers with free hydroxyl (-OH), carboxyl (-COOH), ester (-COO-R), and aminyl (-NH2 or -NHR) functional groups enhance hydrophilicity by increasing the ability of the resulting polymers to interact with water through hydrogen bonding and ionic interactions.The synthesis of hydrophilic polymers involves monomers with functional groups such as isocyanates, alkyleneoxy groups, aryleneoxy groups, and base cleavable groups like esters and carbonates, which enhance hydrophilicity by increasing interactions with water through hydrogen bonding and creating a hydrophilic polymer backbone.Monomers used for synthesizing hydrophilic polymers include acrylic anhydride, methacrylic anhydride, and (meth)acrylate end groups, containing functional groups such as carboxylic acids, sulfonic acids, phosphonic acids, and phenols that enhance hydrophilicity by forming hydrogen bonds and ionic interactions with water, thereby increasing water solubility and compatibility of the polymers.The text mentions the use of hydroxyl, carboxyl, and aminyl functional groups that enhance the hydrophilicity of the corresponding polymers, and these functional groups increase interactions with water by forming hydrogen bonds and ionic interactions, contributing to solubility in alkaline solutions.The monomer structures used for synthesizing hydrophilic polymers include methacrylic acid, which has a carboxylic acid functional group that enhances hydrophilicity, and methyl methacrylate, which is less hydrophilic, but when functionalized with polypropoxylated hydroxypropylmethacrylate moieties, introduces additional hydroxyl groups that increase the interaction with water through hydrogen bonding.The synthesis involved polypropoxylated hydroxypropylmethacrylate, which contains hydroxyl functional groups that enhance hydrophilicity by forming hydrogen bonds with water molecules, thus improving water interaction and absorption.The monomers used for synthesizing hydrophilic polymers include 2-hydroxyethyl methacrylate, which features a hydroxyl functional group, and methacrylic acid, which contains a carboxylic acid functional group, both of which enhance the hydrophilicity of the corresponding polymers by increasing the ability to form hydrogen bonds with water molecules, thereby improving interactions with water.The hydroxyl groups of the 2-hydroxyethyl methacrylate moiety enhance the hydrophilicity of the corresponding polymer by increasing hydrogen bonding interactions with water, while the isocyanate groups of the isophorone diisocyanate contribute to the formation of functionalized pendent groups that further improve water interaction.The synthesis involves monomers such as polyalkoxylated hydroxyalkyl (meth)acrylate and hydroxyalkyl (meth)acrylate, which contain functional groups like hydroxyl, carboxyl, and amino groups, enhancing hydrophilicity through hydrogen bonding and polar interactions with water.The monomers used for synthesizing hydrophilic polymers include acrylic acid, which contains carboxyl groups that enhance hydrophilicity by facilitating hydrogen bonding with water, and hydroxybutyl imidazole, which has hydroxyl groups that improve interactions with water through similar hydrogen bonding.The synthesis involved the use of poly(ethoxylate-b-caprolactone) monomethacrylate oligomer, which contains ethoxylate groups that enhance the hydrophilicity of the resulting polymer through the formation of hydrogen bonds with water, thereby fostering better solubility and interaction with the aqueous environment.The monomers used for synthesizing hydrophilic polymers include 2-hydroxyethyl methacrylate and methacrylic acid, which possess hydroxyl (-OH) and carboxylic acid (-COOH) functional groups, respectively, enhancing the hydrophilicity of the corresponding polymers through hydrogen bonding and ionic interactions with water molecules."
}