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4-Fluoromandelic acid is a polymer monomer that can be used to prepare poly(fluoromandelic acid) (PFMA), a new type of polymer containing multiple fluorine atoms in the polymer chain. The structure of the substance consists mainly of a polyester backbone decorated with p-fluorophenyl groups, with carboxyl and hydroxyl groups at the end of the polymer chain.PFMA has high hydrophobicity, low surface energy, good thermal stability, excellent dielectric properties, low water absorption and good chemical resistance^[1].

[1] ALEXANDRINA NAN . Efficient chemical synthesis of new thermoplastic fluorinated aromatic polyester[J]. Polymer, 2023. DOI:10.1016/j.polymer.2023.126261.