Investigation of the structure of polymers of the polyphenylene type by 13 C NMR spectroscopy

Investigation of the structure of polymers of the polyphenylene type by 13 C NMR spectroscopy

The structure of a number of polymers of the polyphenylene type, prepared by polycyclocondensation of aromatic diketones and their acetals was investigated by 13 C NMR spectroscopy. The spectra provide a means to determine the content of 1,3,5‐trisubstituted benzene rings and defective β‐methylchalc...

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Veröffentlicht in:Die Makromolekulare Chemie 1984-01, Vol.185 (1), p.67-74
Hauptverfasser: Urman, Yakov G., Teplyakov, Mikhail M., Alekseeva, Swetlana G., Khotina, Irina A., Slonim, Izrael Ya, Korshak, Vasilii V.
Format: Artikel
Sprache:eng
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Zusammenfassung:The structure of a number of polymers of the polyphenylene type, prepared by polycyclocondensation of aromatic diketones and their acetals was investigated by 13 C NMR spectroscopy. The spectra provide a means to determine the content of 1,3,5‐trisubstituted benzene rings and defective β‐methylchalcone fragments, as well as the endgroups.
ISSN:0025-116X
0025-116X
DOI:10.1002/macp.1984.021850107