Process for preparing poly-piperazinamide anisotropic shaped art

Details Process for preparing poly-piperazinamide anisotropic shaped art Process for preparing poly-piperazinamide anisotropic shaped art

1983-06-30

1985-12-24

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264184, 2642091, 264345, 264561, B29D 2704, D01F 600

Patent

active

045605220

ABSTRACT:
Process for preparing poly-piperazinamide, anisotropic shaped articles comprising the preparation of the polymer solution in a polar organic solvent, the transformation of the solution into shaped bodies by spreading or spinning, the gelation of the shaped articles by phase inversion, and, optionally, the heat treatment of the gellified shaped articles.

REFERENCES:
patent: 3551331 (1970-12-01), Cescon et al.
patent: 3710945 (1973-01-01), Dismore
patent: 3878109 (1975-04-01), Ikeda et al.
patent: 4087388 (1978-05-01), Jensen et al.
patent: 4340479 (1982-07-01), Pall
Hill, Rowland; Fibres from Synthetic Polymers, Elsevier, N.Y. 1953, p. 381.

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