High strength nylon blend membranes

Details High strength nylon blend membranes High strength nylon blend membranes

1982-04-21

1984-05-22

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

2105002, 264205, 264216, 26433119, 521 64, 521 62, B29D 2700, B29H 720, C08V 928

Patent

active

044501269

ABSTRACT:
A casting solution of two nylons in formic acid, e.g., high molecular weight extrusion grade Nylon 66 homopolymer [.eta.] about 2 or higher, and nylon multipolymer 66, 610, 6 as a strengthening polymer and gelation promoter, when cast by either the dry or wet phase inversion processes, results in highly unexpected membranes of superior strength, flexibility, and uniformity, suitable for use in microfiltration and ultrafiltration.

REFERENCES:
patent: 3427277 (1969-02-01), Davis
patent: 4340479 (1982-07-01), Pall et al.
patent: 4340480 (1982-07-01), Pall et al.

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