ARGET ATRP of Methyl Acrylate with Inexpensive Ligands and ppm Concentrations of Catalyst

摘要: A simple and versatile polymerization technique via activators regenerated by electron transfer atom radical (ARGET ATRP) of methyl acrylate (MA) with inexpensive commercially available ligands, including diethylenetriamine (DETA), N,N,N′,N′′,N′′-pentamethyldiethylenetriamine (PMDETA), tris(2-aminoethyl)amine (TREN), is reported. Catalytic amounts catalyst were utilized achieving ppm levels CuIIBr2/L in the presence a zerovalent copper metal (i.e., powder or wire) at 25 °C. High molecular weight poly(methyl acrylate) (PMA) could also be obtained Mn > 1.5 million Mw/Mn ∼ 1.25. “map” was generated, illustrating minimal concentrations ligand) required over range targeted degrees various ligands. Several conclusions made: (1) lower require higher to produce equally controlled polymerizations, (2) are necessa...