Copolymerization of 4-fluoro phenyl maleimide with methyl methaceylate (MMA) was investigated in these studies. The copolymer has better thermal stability than the other polymers like vinyl monomers etc...  The investigated copolymer shows excellent solubility in THF, DMF, DMSO, dioxane, chloroform and ethyl acetate. The copolymers were characterized by studies of  XRD, FT-IR.  The thermal properties of copolymer were studied by TG/DTA.

Keywords: N-[4-fluoro phenyl] maleimide, Monomer link, free radical, copolymerization.