Graft-Polymerization of Acrylonitrile on the Ozonized Polyethylene

Abstract

Graft-polymerization of acrylonitrile on to the ozonized polyethylene film was studied. High density and low density polyethylenes were used. A little ozonization was enough to induce a graft polymerization. In this case, only a small quantity of infrared absorbance of carbonyl groups was observed. Low density polyethylene gave much more graft polymer than high density one. Activation energy of the graft-polymerization calculated from the initial polymerization rate was 21-22 kcal/mol in both polyethylenes. Activity of the graft-polymerization degraded gradually with the elapse of time. Quantity of the homopolymer was remarkable than that of the case of γ-ray oxidation or thermal oxidation grafting.