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Nonwoven Fabrics Containing Yarns With Varying Filament Characteristics



Published February 13, 2007
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A spunbonded nonwoven fabric has been issued a patent. With an approximate basis weight of 7-250 grams per square meter, the material has a plurality of continuous filaments and an inserted yarn. The inserted yarn is made from the group consisting of polyester, polyamide, polyimde, polypropylene, polyethylene, polystyrene, teflon, fiberglass, polytrimethylene, polylactic acid, polycarbonate, polyester terephthalate, or polybutylene terephthalate, or blends or copolymers thereof. The inserted yarn is at least 1.5 times as long as the linear length of the fabric. The continuous filaments and the inserted yarn are subjected to a bonding system.