Study of the structure of the triple polymer tetrafluoroethylene, ethylene and hexafluoropropylene using pyrolytic gas chromatography

Samples of a series of fluorine-containing copolymers have been studied by pyrolytic gas chromatography. In the volatile products of pyrolysis of polymers containing ethylene and hexafluoropropylene units at least three “hybrid” fluorine-containing compounds are present-vinylidene fluoride, tetraflu...

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Bibliographic Details
Published in:Polymer science USSR 1989, Vol.31 (5), p.1019-1026
Main Authors: Madorskaya, L.Ya, Shadrina, N.Ye, Makeyenko, T.G., Loginova, N.N.
Format: Article
Language:English
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Summary:Samples of a series of fluorine-containing copolymers have been studied by pyrolytic gas chromatography. In the volatile products of pyrolysis of polymers containing ethylene and hexafluoropropylene units at least three “hybrid” fluorine-containing compounds are present-vinylidene fluoride, tetrafluoropropylene and 1-trifluoro-methyl-1,2,2,-triflurocyclobutane. The basic scheme of rupture of the main C - C bonds on pyrolysis of these polymers is proposed. The optically transparent terpolymer of tetrafluoroethylene, ethylene and hexafluoropropylene constitutes a regularly alternating terpolymer in which the perfluorinated tetrafluoroethylene or hexafluoropropylene units are between the ethylene units.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(89)90040-3