Adsorption performance of salicylic acid on a novel resin with distinctive double pore structure

GQ-11 with the double pore structure of hypercrosslinked resin and macroporous resin was synthesized through successive two steps. The greater adsorption rate of salicylic acid onto GQ-11 than that of the representative hypercrosslinked resin GQ-06 was attributed to its double pore structure. The multifunctional adsorption mechanism of anion exchange and hydrophobic effect resulted in the greater adsorption capacity of salicylic acid onto GQ-11 than that of the representative hypercrosslinked resin.