Raman spectroscopy was used to investigate the kinetics of the free-radical polymerization of methyl methacrylate in toluene, initiated with azobisisobutyronitrile at 70OC. The decrease in the intensity of the 1636 cm-' C=C stretching band compared with a solvent band as an internal standard allows an accurate determination of the rate of conversion of monomers to polymeric chains. A careful quantitative study of the evolution of the C -0 stretch band profile, interpreted in terms of intra-chain dipoldipole interactions, gives a similar dependence for the conversion. ~~~~~
Abstract4‐Methyl, 4‐octene model molecules of the 1–4 polyisoprenic chain have been chemically modified in corresponding alcohol and chloroformate. These model molecules have been allowed to react with pharmaceuticals such as testosterone, cholesterol, and quinine to link the drug with a carbonate bound. Spectral data of these compounds are compared to those of previously synthetized polymers with potential pharamaceutical properties.
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