Undrawn, tough, durably melt-bondable, macrodenier,...

D - Textiles – Paper – 01 – F

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Details

D01F 8/04 (2006.01) B24D 11/00 (2006.01) B32B 27/02 (2006.01) D01D 5/32 (2006.01) D01F 8/06 (2006.01) D01F 8/12 (2006.01) D04H 1/54 (2006.01) D04H 3/16 (2006.01)

Patent

CA 2269883

Undrawn, tough, durably melt-bondable, macrodenier, thermoplastic, multicomponent filaments, such as sheath-core and side-by-side filaments, comprising a first plastic component and a second lower-melting component defining all or at least part of the material-air boundary of the filaments. The filaments can be made by melt-extruding thermoplastics to form hot filaments, cooling and solidifying the hot filaments, and recovering the solidified filaments without any substantial tension being placed thereon. Aggregations of the filaments can be made in the form of floor matting and abrasive articles.

L'invention porte sur des filaments non-étirés, résistants, pouvant être traités par voie fondue de façon durable, à macrodeniers, thermoplastiques, multicomposants tels que des filaments âme/gaine et des filaments côte-à-côte. Ces filaments sont constitués d'un premier composant plastique et d'un second composant à point de fusion plus bas formant la totalité ou au moins une partie de la limite textile-air des filaments. Les filaments peuvent être obtenus par extrusion par fusion de matières thermoplastiques aboutissant à la formation de filaments chauds, au refroidissement et à la solidification de ces filaments chauds, puis à la récupération des filaments solidifiés sans qu'aucune tension sensible ne soit exercée sur ces derniers. L'agrégation de ces filaments peut être utilisée pour la fabrication de paillassons et d'articles abrasifs.

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