Synthesis and Characterization of a Novel Heteropoly Acid/Hydrogel Composite

Catalysis by Heteropoly acids (HPAs) and polyoxometalates (POMs) having a higher demand worldwide, as it can be designed to accelerate complex reactions more environmentally friendly. However, recycling of water-soluble solid catalysts remains problem. The synthesis recyclable composite with catalytic properties is the key better use HPAs POMs. Many researches have mentioned method immersing porous carrier in supported solution. stabilities previously studied composites after multiple uses rarely been mentioned. In this research, novel idea proposed synthesize heteropoly acid composite. A hydrogel was synthesized mixing an anionic monomer acid. particles were inserted inside interaction forces between anions. Thus, preventing from being lost during reaction. consisted 2-acrylamide-2methylpropanesulfonic (AMPS) carrier, N,N’ -Methylenebisacrylamide (MBAA) crosslinkers typical Keggin-type HPA: H 3 PW 12 O 40 . At last, (NH 4 ) synthesized.