B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 69/10 (2006.01) B01D 69/06 (2006.01) B01D 69/08 (2006.01) B01D 71/34 (2006.01) B32B 5/24 (2006.01)
Patent
CA 2422697
A porous membrane which has superior separability and high penetrability and which, at the same time, has high mechanical properties, particularly, high tensile break strength. The porous membrane (1) comprises a porous body (2) having a number of holes extending from one surface to the other, and reinforcing fibers (3). In the porous body (2), the reinforcing fibers are linearly continuously present between end surfaces orthogonal to the direction of penetration. In other words, in two surface positions (A, B) in the same surface of the porous body, the one surface position (A) has the reinforcing fibers (3) in a cross-sectional region including the surface (A), while the other surface position (B) has no reinforcing fibers (3) in a cross-sectional region including the surface (B).
L'invention concerne une membrane poreuse présentant un pouvoir de séparation supérieur et une importante pénétrabilité et qui, parallèlement, possède de bonnes propriétés mécaniques, notamment une résistance élevée à la rupture. La membrane poreuse (1) comprend un corps poreux (2), doté de plusieurs trous, s'étendant d'une surface à l'autre, et des fibres de renforcement (3). Dans le corps poreux (2), les fibres de renforcement sont formées de manière linéaire et continue entre les surfaces terminales, orthogonalement au sens de pénétration. En d'autres termes, de deux positions de surface (A, B) de la même surface du corps poreux, la première position (A) comporte les fibres de renforcement (3) dans une région transversale comprenant la surface (A), tandis que l'autre position de surface (B) ne possède aucune fibre de renforcement (3) dans une région transversale comprenant la surface (B).
Fujiki Hiroyuki
Habara Hideaki
Hirane Takeshi
Mizuta Masahiko
Murase Kei
Goudreau Gage Dubuc
Mitsubishi Rayon Co. Ltd.
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