Inorganic nanoparticle composite styrene ion exchange resin catalyst as well as preparation method and application thereof

The invention provides an inorganic nanoparticle composite styrene ion exchange resin catalyst as well as a preparation method and application thereof, and the preparation method comprises the following steps: carrying out surface modification treatment on inorganic nanoparticles by utilizing plasma to obtain a modified nanoparticle material; dispersing the modified nanoparticle material in a mixed solution containing a styrene monomer, a cross-linking agent and an organic solvent to obtain an organic phase; the preparation method comprises the following steps: dissolving an initiator in an organic phase, adding into a water phase containing a dispersing agent and a dispersing aid, and carrying out suspension polymerization to obtain inorganic nanoparticle composite styrene resin; and carrying out chloromethylation, amination and ion exchange on the inorganic nanoparticle composite styrene resin to obtain the inorganic nanoparticle composite styrene ion exchange resin catalyst. The preparation method of the i