Spunbonded nonwoven made of endless fibers
AssigneeFiberweb Corovin GmbH
InventorsRalf Sodemann, Michael Voges
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Abstract
This invention relates to a spunbonded nonwoven made of thermoplastic material, which exhibits a filament diameter of less than 1.0 μm. The filaments are made from bursted fibers, whereby the filaments exhibit a length of at least five centimeters and are connected to one another at discrete points.
Claims23
A spunbonded nonwoven made of thermoplastic material in the form of filaments made from bursted fibers by bursting a fiber into filaments, wherein the filaments have a length of at least five centimetres, a filament diameter of less than 1.0 μm, and are connected to one another at discrete points.
A spunbonded nonwoven made of thermoplastic material in the form of filaments made from bursted fibers, wherein the filaments have a length of at least five centimetres. A filament diameter of less than 1.0 μm, and are connected to one another at discrete points ,wherein the filaments are thermally oxidised on the surface only in part areas, while other areas are not thermally oxidised.
A spunbonded nonwoven made of thermoplastic material in the form of filaments made from bursted fibers, wherein the filaments have a length of at least five centimetres, a filament diameter of less than 1.0 μm, and are connected to one another at discrete points, wherein the filaments include an addition and wherein the addition includes SAP.
Dependencies are inferred from the claim text.