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Kinetics of radical polymerization of N-substituted amides and its structural significance

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Document pages: 9 pages

Abstract: Two N-substituted amides (N-acryloylmorpholine and n-methyl-n-vinyl acetamide) were polymerized in different solvents with free radical initiator. The regularity of the resulting polymer was determined by 400 MHz 1H-NMR and 13C-NMR. At a certain temperature, the syndiotacticity increases with the increase of solvent polarity. This solvent effect may be related to the hydrogen bond interaction between solvents, monomers and or growing species. One particular aspect is the steric hindrance of nitrogen atoms.

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