Polyamide from hexahydrobenzodipyrrole

Details Polyamide from hexahydrobenzodipyrrole Polyamide from hexahydrobenzodipyrrole

1974-11-08

1976-05-25

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 302, 260 306R, 260 308R, 260 326NA, 260 334R, 260 78SC, 2603261, C08G 6926

Patent

active

039592324

ABSTRACT:
Novel compounds having the following structural formulae: ##SPC1##
Are disclosed and polymers formed by condensing the above compounds with anic diacids are prepared which polymers are useful in forming thermally stable, flame-resistant fibers and films.

REFERENCES:
patent: 3197442 (1965-07-01), Kramer et al.
patent: 3503939 (1970-03-01), Williams
patent: 3565837 (1971-02-01), Drawert et al.
patent: 3819758 (1974-06-01), Cleary
Helvetica Chimica acta, Vol. 30, 1947, pp. 2035-2045.
Chemical Abstracts, Vol. 42, 3755, Ruggli et al.

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