Manufacture of fibrids from poly(amide-imide) resins

Details Manufacture of fibrids from poly(amide-imide) resins Manufacture of fibrids from poly(amide-imide) resins

1977-09-09

1980-02-05

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Synthetic fiber

260 304N, 428400, 428401, 528350, 528351, 528352, D21F 1100

Patent

active

041871430

ABSTRACT:
Fibrids are prepared by introducing a solution of a polymer into a liquid precipitation medium while exposing it to shearing forces. A poly(amide-imide) resin solution is admixed with a solvent which is miscible with the resin solvent but which is a non-solvent for the resin itself.

REFERENCES:
patent: 2999788 (1961-09-01), Morgan
patent: 4060451 (1977-11-01), Uchiyama et al.
Tappi, "Freeness Scale Conversion", (Corr. 1945).

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