Meltblown web

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 1/56 (2006.01) B32B 5/26 (2006.01) D01D 5/098 (2006.01) D01F 8/14 (2006.01) D04H 3/16 (2006.01) D04H 5/06 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2420428

A meltblown fiber comprising a first fiber portion of between 70% to 98% by weight of a first polymer component containing at least 80% by weight of polyester polymer and a second fiber portion of between 30% to 2% by weight of a second polymer component containing at least 20% by weight of polyethylene polymer, and wherein some of the second fiber portion is located along the surface of the fiber. The meltblown fibers are collected as a web with good strength which can be incorporated into composite sheet structures.

La présente invention concerne une fibre obtenue par fusion-soufflage qui est composée d'une première partie fibreuse comprenant entre 70 % et 98 % en masse d'un premier composant polymère contenant au moins 80 % en masse d'un polymère polyester, et d'une seconde partie fibreuse comprenant entre 30 % et 2 % en masse d'un second composant polymère contenant au moins 20 % en masse d'un polymère polyéthylène. Une part de cette seconde partie est située le long de la surface de cette fibre. Ces fibres obtenues par fusion-soufflage sont recueillies sous forme d'une bande possédant une bonne résistance qui peut être incorporée dans des structures de feuille composites

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