B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 69/08 (2006.01) B01D 63/02 (2006.01)
Patent
CA 2760391
To provide a porous hollow fiber membrane that is suitable for treatment of liquid containing an inorganic substance and/or an organic substance, is obtained at a low cost performance, and has high water permeability performance, fretting resistance, and drying resistance. A deformed porous hollow fiber membrane according to the present invention is composed of a thermoplastic resin and includes a continuous asperity provided on the periphery in the longitudinal direction of the membrane, in which the periphery of the hollow fiber membrane in the circumferential direction includes continuous projected and depressed parts.
L'invention concerne une membrane à fibres creuses poreuse à faible coût présentant une perméabilité à l'eau, une résistance à l'abrasion et une résistance au séchage élevées, idéale dans le traitement d'un liquide contenant des substances inorganiques et/ou organiques. La membrane à fibres creuses poreuse selon l'invention est obtenue à partir d'une résine thermoplastique. Cette membrane comporte des irrégularités continues sur la partie périphérique externe dans le sens de la longueur, la partie périphérique externe dans le sens de la circonférence de la membrane étant constituée d'une partie irrégulière continue.
Fujimura Hirokazu
Hashino Masatoshi
Kubota Noboru
Matsuyama Hideto
Asahi Kasei Chemicals Corporation
Goudreau Gage Dubuc
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