Membrane

Details Membrane Membrane

C - Chemistry, Metallurgy

08

J

18/24

C08J 9/28 (2006.01) B01D 67/00 (2006.01) B01D 69/04 (2006.01) B01D 71/38 (2006.01) B01D 71/52 (2006.01) B01D 71/68 (2006.01)

Patent

CA 2025209

ABSTRACT MEMBRANE A method of producing a tubular membrane in which a blend of an aromatic polyetherketone (PEEK) and an aromatic polyethersulphone (PES), the blend being selected in a defined weight range, is extruded into a tube in which the polymers are present in the tube wall as interpenetrating networks and leaching out with a solvent for PES the PES network so producing a porous PEEK tube characterised in that the PEEK and PES used comply with a defined melt viscosity relationship.

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