(1)HNMR AND FTIR SPECTROSCOPIC STUDIES ON THE BLENDS OF POLYCHLOROPRENE WITH POLYETHYLENE VINYLACETATE

The ratio of different protons obtained from the integrated peak areas of solution (1)HNMR signals tallies with the calculated values obtain ed from macroblend composition. (1)HNMR results indicate that the blen ds of polychloroprene (CR) with polyethylene vinylacetate (EVAc) shows homogenity in mixing throughout their entire compositions. The increa se in absorption frequency for C-O-C asymmetric stretching with increa sed contents of CR in the EVAc/CR blends indicates dipolar interaction s between polar vinylacetate and chloride groups.