Novel functional methacrylate copolymers with side chain tertiary amine and alkynes and their some properties

New methacrylate monomers 2-{[4-(dimethylamino) phenyl] amino}-2-oxoethyl-2-methylacrylate (DMPAMA), and 1-[4-(prop-2-yn-1-yloxy) phenyl] ethanone-O-methacryloyloxime (POEMO) were synthesized first time. The free radical copolymerization of DMPAMA with POEMO has been carried out in 1, 4-dioxane solution at 65 °C ± 1 using 2,2′-azobisisobutyronitrile (AIBN) as an initiator with different monomer-to-monomer ratios in the feed. 1H-NMR was used to determine the molar fractions of DMPAMA and POEMO in the copolymers. The monomer –reactivity ratios were calculated according to the general copolymerization equation using Kelen-Tüdõs and Finemann-Ross linearization methods. The polydispersity indices of the polymers determined with gel permeation chromatography. The thermal behaviors of copolymers with various compositions were investigated by differential scanning calorimetry and thermogravimetric analysis. The copolymer has been converted into a novel salts by reaction with the iodemethane (CH3I). The electrical conductivity dependence of temperature of the polymers were measured and the polymers exhibit the semiconducting behavior, confirming that the electrical conductivity increases with increasing temperature. All the products showed moderate activity against different strains of bacteria and fungi. In addition, photo-stability tests of the polymers under near-UV irradiation were performed.