Base‐catalyzed polymerization of sorbamide and β‐vinylacrylamide

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Abstract

<jats:title>Abstract</jats:title><jats:p>Sorbamide and β‐vinylacrylamide were polymerized using <jats:italic>tert</jats:italic>‐BuONa and <jats:italic>n</jats:italic>‐BuLi as catalysts. The resulting polymers were analysed by infrared spectroscopy and hydrolyzed to subject to paper chromatography. The hydrolysis products were primarily δ‐amino acids. Thus it was concluded that the polymerization proceeded mainly by the hydrogen transfer mechanism, leading to poly‐δ‐amides.</jats:p><jats:p>Poly‐β‐vinylacrylamides obtained by basic catalysts were insoluble, whereas polysorbamides were soluble at first but became insoluble on standing under air. Both these polyamides were amorphous.</jats:p>

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