Sequences of Copolyesters by 1H NMR and 31P NMR Spectroscopy

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1998Publisher:Springer Science and Business Media LLCJournal:Polymer Journal, volume 30, pages 281-283 (issn: 0032-3896, eissn: 1349-0540,

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Authors: Masao Murano;

doi: 10.1295/polymj.30.281

Sequences of Copolyesters by 1H NMR and 31P NMR Spectroscopy

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Abstract

31P NMR and 1H NMR spectra of copolyesters containing phosphorus compounds, obtained by ester-exchange reaction, were studied. Poly(ethylene terephthalate) was used as the main component and poly(hydroquinone phenylphosphate), poly[bis(4-hydroxyphenyl)sulfonephenylphosphate], and poly[bis(4-hydroxyphenyl)sulfonemethylphosphate], as phosphorus compounds. The sequence distribution can be elucidated by 31P NMR as well as 1H NMR, and two polyesters become to random distribution by ester-exchange reaction between two polyesters.

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Saga University
Japan
Saga Group
United Kingdom

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