New Alumina Column Designed for the Controlled Radical Polymerization of Vinyl Acetate

Alumina column was designed for the homogeneous polymerization reaction of vinyl acetate in DMF. Solid insoluble suspended polyvinyl acetate (s-PVAC) chromatographic grade was used as an adsorbent to control the equilibrium formation of monomer with catalyst complex. DMF is used to flow the active polymer chain down column of alumina. Cobalt acetatyl acetonate catalyst and benzoyl peroxide were used as catalyst and initiator to initiate reaction in the s-PVAC layer, where the adsorption-desorption process can control the release of the active monomer from this layer to alumina. The process is of its first kind in polymerization reactions. the process was designed to proceed smoothly to yield a clear polymer with high molecular weight polymer and a very narrow molecular weight distribution

کلیدواژه ها:

Alumina column ، Clean polymer ، Cobalt-mediated radical polymerization ، Vinyl acetate ، Suspended polyvinyl acetate