4-vinyl pyridine based polymeric materials with various dimensions and structures and the investigations of their application

In this work, p(4-VP)-based macro and microgels with pH, temperature and magnetic field sensitivity were synthesized with different sizes and structures by using NIPAM, AMPSNa, APTMACl, HEMA, AAc, MAAc and VI monomers. After the synthesis stage, p(4-VP)-based macro and microgels were quaternized. The swelling behavior of modified quaternized macro and microgels was investigated. In addition the gels, with different sizes and structures characterized by using SEM, TEM, DLS and TG analysis, were used in three different areas of application (1) biomedical, (2) catalyst and (3) environmental.The utility of quaternized p(4-VP) microgels and of the prepared Ag and Cu nanoparticles inside p(4-VP) microgels were investigated as antimicrobial agents against gram positive and gram negative bacteria. The synthesized p(4-VP), p(4-VP-co-NIPAM) and p(4-VP-co-VI) microgels with positive charge and magnetic field sensitivity were used for the release of the drug, naproxene sodium, in PBS. In the catalytic studies, macro and microgel composites containing Cu were used as catalysts in the reduction reaction of 4-NP and the degradation reaction of methylene blue. In addition, usage of the prepared macrogels as p(4-vinylpyridine chlorochromate) in the oxidation reaction of benzyl alcohol was investigated. In environmental applications, p(4-VP-co-HEMA) macrogels, p(4-VP) macro and microgels and quaternized p(4-VP) macro and microgels were used in the absorption of uranium and thorium ions, organic compounds and arsenic ions from aqueous media, respectively.