Abstract
AbstractIn order to develop a method of measuring the amounts of short branches in PVA, an NMR study was made of a model poly(vinyl alcohol) having short branches, one or two monomer units in length. Detection and estimation of the short branches were shown to be possible by using the 13C‐NMR spectra of PVA and the 1H‐NMR of acetylated PVA. In the 19F‐NMR spectra of trifluoroacetylated model PVA, the resonance peaks of primary and tertiary alcohols in the branching structure were not well resolved from that of secondary alcohol of the main chain.
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Schedule a callMore From: Journal of Polymer Science: Polymer Chemistry Edition
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