D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 3/02 (2006.01) A41D 27/02 (2006.01) A41D 31/00 (2006.01) D04H 3/16 (2006.01)
Patent
CA 2395462
The invention relates to a thermal nonwoven fabric consisting of a microfilament nonwoven fabric having a weight of 60 to 300 g/m2 and a resistance to tearing > 150 N. The nonwoven fabric consists of melt-spun, drafted endless filaments that consist of several components and are directly placed to form a nonwoven, whereby the titre amounts to 1.5 to 5 dtex. After optional pre-bonding, at least 80 % of the endless filaments that consist of several components are split to form micro-endless filaments having a titre of 0.1 to 1.0 dtex and are bonded.
L'invention concerne un thermomatériau non tissé constitué par un matériau non tissé de microfilaments, d'un grammage de 60 à 300 g/m<2> et d'une résistance au déchirement > 150 N, caractérisé en ce que le matériau non tissé est constitué par des filaments continus multicomposants de titre 1, 5 à 5 dtex, filés à fusion, étirés et directement déposés pour former une toison, et en ce que les filaments continus multicomposants sont clivés, éventuellement après pré-consolidation, pour former au moins 80 % de microfilaments continus de titre 0,1 à 0,8 dtex et sont ensuite consolidés.
Bittner Oliver
Groten Robert
O'regan Terry
Borden Ladner Gervais Llp
Carl Freudenberg Kg
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