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The core-shell structure Fe3O4@C magnetic nanoparticles were synthesized with superparamagnetic Fe3O4 nanosphere as a magnetic core, glucose, phenolic and soluble starch resin as carbon source via a solvothermal method. The structure of Fe3O4@C magnetic nanoparticles was characterizes using TEM, XRD and VSM. The effects of preparation conditions in the structure of the Fe3O4@C magnetic nanoparticles...
Some novel half titanocene catalysts containing phosphodiesterase isooctyl (p204) were synthesized and their catalytic performances for the copolymerization of ethylene-propylene were investigated. The results showed that the half titanocene catalysts had a good catalytic activity in the copolymerization of ethylene-propylene. The catalytic properties of the catalysts were effected by the ligand p204,...
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