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Basic properties and characterization of copolymer hydrogels. (A) Schematic representation of copolymer structure and composition. (B) FT-IR spectra for monomers and copolymer. (C) XRD patterns of TZMG with varying copolymerization ratios. (D) Swelling ratios of hydrogels in 4 M LiCl solution. (E) Phase transition temperatures of hydrogels with different copolymerization ratios.
