Perforated non-woven and process for it's manufacture

Details Perforated non-woven and process for it's manufacture Perforated non-woven and process for it's manufacture

D - Textiles, Paper

04

H

D04H 3/02 (2006.01) A61F 13/15 (2006.01) D04H 1/46 (2006.01) D04H 3/10 (2006.01) D04H 3/12 (2006.01)

Patent

CA 2346889

Disclosed is a perforated bonded fiber fabric with a surface weight of 8- 17g/m2. The inventive fabric consists of continuous intertwined microfiber filaments with a titer that ranges from 0.05 0.40 dtex. Said filaments consist of at least two different types of filaments made from thermoplastic polymers with different hydrophobicities and a fiber cross section resembling the portions of a cake. The filaments are devoid of any conglutinations or fusions, especially in the region of the perforations.

Nappe de fibres perforée ayant un poids par unité de surface de 17g/m<2>, constituée de filaments de microfibres continus entrelacés les uns avec les autres, avec un titre de l'ordre de 0,05 à 0,40 décitex. Lesdits filaments sont constitués d'au moins deux types différents de filaments en polymères thermoplastiques à hydrophobicité différente et possèdent une coupe transversale des fibres en forme de part de gâteau, lesdits filaments étant exempts de parties collées ou fusionnées dans la zone des perforations.

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