Tubular membrane

Details Tubular membrane Tubular membrane

C - Chemistry, Metallurgy

08

J

18/22

C08J 9/28 (2006.01) B01D 67/00 (2006.01) B01D 69/04 (2006.01) B01D 71/52 (2006.01) B01D 71/76 (2006.01) C08J 9/26 (2006.01)

Patent

CA 2020845

F 35356 Abstract Tubular Membrane A method of producing a membrane having substantially uniform porosity in which a blend of a first polymer and a second, immiscible, polymer is extruded to form a structure of the desired cross section in which the polymers are present as interpenetrating networks and leaching out the second polymer so producing a structure comprising the first polymer network characterised in that the second polymer has a lower melt viscosity than, or the same melt viscosity as, the first polymer.

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