High strength nylon blend membranes

Details High strength nylon blend membranes High strength nylon blend membranes

1984-03-02

1984-10-16

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

2105002, 521 64, 525432, C08J 928

Patent

active

044775989

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
patent: 4340480 (1982-07-01), Pall

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