Abstract

In this article, we present a simple undergraduate chemistry laboratory involving the polymers commonly used in everyday life and the IR spectroscopy for functional groups identification. The polymer contained in the PVA glue is further hydrolyzed to poly(vinyl alcohol) in dilute aqueous solution via the base hydrolysis of the acetate groups. The IR spectra of three related polymers, the poly(vinyl acetate) in white glue, the PVA in the aqueous PVA glue, and the resulting PVA, are recorded. The differences in these spectra are rationalized with the molecular structures of the polymers.

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