Liquid Barrier Nonwoven Fabrics with Ribbon-Shaped Fibers

A nonwoven fabric usable as a component in a personal hygiene product, said nonwoven fabric comprising of a first ribbon-shaped spunbond layer, a second ribbon-shaped spunbond layer; and a melt-blown layer between said first ribbon-shaped spunbond layer; wherein said melt-blown layer is in direct co...

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Bibliographische Detailangaben
Hauptverfasser:	GRONDIN, PIERRE D, DWIGGINS, CARLTON F, STEFFEN, JOHN F, MOODY III, RALPH A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS PERFORMING OPERATIONS TEXTILES TRANSPORTING TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	A nonwoven fabric usable as a component in a personal hygiene product, said nonwoven fabric comprising of a first ribbon-shaped spunbond layer, a second ribbon-shaped spunbond layer; and a melt-blown layer between said first ribbon-shaped spunbond layer; wherein said melt-blown layer is in direct contact with said first spunbond layer and said second spunbond layer; wherein said nonwoven fabric contains less than 10 % by weight non-ribbon shaped spunbond fibers, and wherein; said nonwoven fabric has a basis weight of at least 8 gsm and not greater than 40 gsm, as measured according to ASTM D-756, a pore size of less than or equal to 27 microns when measured at 10% of cumulative filter flow, as measured using a capillary flow porometer, and low surface tension liquid strike through flow of less than 0.9 ml per second, as measured according to a modified EDANA test method WSP 70.3 (05).