B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 69/12 (2006.01)
Patent
CA 2505488
An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and mechanical properties, and a method for producing the composite porous membrane. The present invention relates to a composite porous membrane comprising a braid, and a membrane material; wherein the membrane material comprises a first porous layer comprising a dense layer which is arranged on the outer surface of the braid, and a second porous layer comprising a dense layer which is arranged on the first porous layer, and a method for producing the composite porous membrane.
L'invention concerne une membrane poreuse composite non seulement dotée d'une capacité filtrante, mais également d'un remarquable pouvoir adhésif entre une membrane poreuse et une tresse et d'excellentes propriétés mécaniques, ainsi qu'un procédé de fabrication de ladite membrane. La membrane de l'invention comprend la tresse et une matériau membranaire, lequel se compose lui-même d'une première couche poreuse présentant une couche dense contre la surface extérieure de la tresse, et une seconde couche poreuse avec couche dense contre la première couche poreuse.
Fujiki Hiroyuki
Mizuta Masahiko
Murase Kei
Shinada Katsuhiko
Shirasu Yuuichi
Goudreau Gage Dubuc
Mitsubishi Rayon Co. Ltd.
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