D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 1/70 (2006.01) D04H 1/42 (2006.01) D04H 1/54 (2006.01)
Patent
CA 2602556
A process of manufacturing a non-woven web from virtually endless composite filaments (1). The filaments used in said process are arranged in a sheath- core arrangement in which the sheath component (3) comprise a thermoplastic polymer and the core component (2, 2') is selected from the group of an elastomer, a water-soluble polymer and/or a biodegradable polymer. The sheath component constitutes at least 20 percentage by weight of the filament and that the core component constitutes at least 10 percentage by weight of the filament. The process according to the invention provides a simple and inexpensive process for manufacturing water soluble and/or elastic non-woven webs of any width, using virtually endless filaments.
L'invention porte sur un procédé de fabrication d'une bande non tissée à partir de filaments composites continus (1). Les filaments utilisés dans le procédé sont disposés selon un agencement gaine-âme dans lequel la gaine (3) comprend un polymère thermoplastique, et où l'âme (2, 2') est sélectionnée dans le groupe d'un élastomère, d'un polymère soluble dans l'eau et/ou d'un polymère biodégradable. La gaine constitue au moins 20 % en poids du filament, et l'âme constitue au moins 10 % en poids du filament. Le procédé de l'invention permet de fabriquer, de manière simple et peu coûteuse, des bandes non tissées solubles dans l'eau et/ou élastiques, d'une largeur quelconque, à l'aide de filaments continus.
Gowling Lafleur Henderson Llp
Oerlikon Textile Gmbh & Co. Kg
LandOfFree
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