Polymeric membranes

Details Polymeric membranes Polymeric membranes

1991-08-20

1992-04-07

Sever, Frank

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642108, 264DIG48, 264DIG62, B01D 6908

Patent

active

051026007

ABSTRACT:
Improved polymeric membranes and their method of manufacture are disclosed. The improved membranes are produced by increasing the draw ratio employed during the manufacture of the membrane. The membranes show at least substantially constant or increased selectivity and mechanical properties as the draw ratio is increased.

REFERENCES:
patent: 4071454 (1978-01-01), Yamamoto et al.

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