NONWOVEN FABRIC HAVING HIGH THERMAL RESISTANCE AND BARRIER PROPERTIES

Nonwoven fabrics including a first outermost spunbond layer, a second outermost spunbond layer, and at least a first meltblown and/or melt-fibrillated layer disposed directly or indirectly between the first outermost spunbond layer and the second outermost spunbond layer. The first outermost spunbon...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Lei, BISHOP, Nyle, JUNYING, Gao, NIX, Jonathan T, YONGJI, Jin, TIANLEI, Zhang
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BRAIDING CONVEYING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS HANDLING THIN OR FILAMENTARY MATERIAL KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS PACKING PERFORMING OPERATIONS STORING TEXTILES TRANSPORTING TRIMMINGS UNPACKING WADDING
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Beschreibung
Zusammenfassung:	Nonwoven fabrics including a first outermost spunbond layer, a second outermost spunbond layer, and at least a first meltblown and/or melt-fibrillated layer disposed directly or indirectly between the first outermost spunbond layer and the second outermost spunbond layer. The first outermost spunbond layer comprises a first plurality of continuous fibers that are thermally fused and compacted against one another and define a microporous film on an outermost surface of the nonwoven fabric. The first plurality of continuous fibers comprises a first polymeric composition having a first melting point and the first meltblown layer and/or melt-fibrillated layer comprises a first plurality of meltblown fibers and/or melt-fibrillated fibers comprising a third polymeric composition having a third melting point, in which the first melting point is lower than the third melting point.