Separation membrane and method for producing the same

Details Separation membrane and method for producing the same Separation membrane and method for producing the same

B - Operations, Transporting

01

D

B01D 71/34 (2006.01) B01D 69/12 (2006.01)

Patent

CA 2734378

Disclosed is a separation membrane comprising a layer having a separation function, wherein the layer having a separation function comprises a poly(vinylidene fluoride) resin having a melt viscosity of 3300 Pas or more and has a three-dimensional network structure. The separation membrane can be used for the treatment of water and has high virus-removal properties, high pure water permeability, high physical durability and high chemical strength.

Linvention concerne une membrane de séparation comportant une couche à fonction de séparation. Ladite  couche comprend une résine de poly(vinylidène fluorure)dont la viscosité à chaud est de 3300 Pa.s ou plus et qui possède une structure réticulaire tridimensionnelle. La membrane de séparation peut sutiliser pour le traitement de leau grâce à ses propriétés puissantes délimination des virus, sa forte perméabilité à leau pure, sa longévité physique élevée et sa grande robustesse chimique.

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