Polyhydrazide spinning solutions

Details Polyhydrazide spinning solutions Polyhydrazide spinning solutions

1976-01-02

1977-08-02

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 78R, 260 78S, 264178R, 162157R, C08K 324

Patent

active

040395022

ABSTRACT:
This invention relates to film- and fiber-forming polyhydrazide solutions (dopes) in a solvent system comprising concentrated sulfuric acid or mixtures thereof with fluorosulfonic acid. Some dopes of this invention are optically anisotropic.

REFERENCES:
journal of Polymer Science, Part A, 2 pp. 1147-1156 (1964).
Polymer Science U.S.S.R. 9, No. 1, pp. 94-99 (1967).

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