Synthetic leather

Details Synthetic leather Synthetic leather

D - Textiles, Paper

06

N

D06N 7/00 (2006.01) A43B 23/02 (2006.01) A43B 23/07 (2006.01) A43B 23/16 (2006.01) D04H 3/10 (2006.01) D04H 3/12 (2006.01) D04H 3/16 (2006.01) D06N 3/00 (2006.01) D06N 3/14 (2006.01)

Patent

CA 2386390

The invention relates to a synthetic leather comprising a polymer-impregnated and/or coated non-woven with a surface area weight of 150 to 500 g/m2 and a tensile strength of > 300 N/5 cm in the longitudinal and perpendicular direction. The non-woven is made of melt-spun, aerodynamically stretched multi- component endless filaments indirectly arranged to form a non-woven. Said non- woven has a titer of < 2 dtex. The multi-component endless filaments are split and hardened when said filaments have attained a strength of 90 % of the supermicro-endless filaments, i.e. a titer of < 0.2 dtex.

L'invention concerne un cuir synthétique composé d'un non-tissé imprégné et/ou revêtu d'un polymère, présentant un grammage de 150 à 500 g/m?2¿, et une résistance à la traction dans le sens longitudinal et transversal > 300 N/5 cm. Ce non-tissé est composé de filaments sans fin à plusieurs composants filés à chaud, étirés aérodynamiquement, et disposés en tant que non-tissé avec un titre < 2 dtex, ces filaments sans fin à plusieurs composants étant séparés et encollés à au moins 90 %, après pré-encollage, pour obtenir des supermicro-filaments sans fin avec un titre < 2 dtex.

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