Abstract: A plant (1) for the production of spunbonded nonwoven (8), comprising a spinning solution production (3), a spinning system (2), a device (6) for the delivery of coagulation liquid, at least one conveying device (7, 9) for depositing the spunbonded nonwoven (8), and a collecting device (13) for the spunbonded nonwoven (8), wherein at least one discharge device (14) is provided between the device (6) for the delivery of coagulation liquid and the collecting device (13) for the spunbonded nonwoven (8).

Abstract: A device for producing a seamless tubular cellulosic spunbonded nonwoven fabric, comprising a spinning dope production (8), a spinning system (2), a coagulation system (4), a deposition section (3) for depositing and dewatering the spunbonded nonwoven, a transport device (13, 22) for carrying off the spunbonded nonwoven in the transport direction, a washing system (5) and a drying system (6), wherein the deposition section (3) is designed so as to be rotatable, with the axis of rotation of the deposition section (3) lying along the transport direction.

Abstract: A device for laying down filaments (3) into a spundbond fabric (8), dehumidifying the spundbond fabric (8) and sucking off the process air loaded with solvents and coagulants, including a conveyor device (7) for transporting the spundbond fabric (8) in a transport direction, wherein the conveyor device (7) has a deposition surface (6) for the filament (3), wherein the conveyor device (7) at least in the region of the deposition surface (6) is permeable for gases and liquids, wherein underneath the deposition surface (6) of the conveyor device (7) there is provided a primary dehumidifying device (9), wherein there is arranged at least one upper suction device (10, 11) upstream and/or downstream and/or laterally of the deposition surface (6).

Abstract: This invention relates to a nonwoven material consisting of one or more layers of nonwoven webs of essentially continuous cellulosic filaments, characterized in that within each layer each of the three bonding mechanisms: a) hydrogen bonding, b) filament intermingling and c) merged filament bonding occur for bonding the essentially continuous cellulosic filaments. Further it relates to a process for the manufacture and to various uses of this material.

Abstract: A device (1) for the extrusion of filaments (2) comprising a plurality of extrusion capillaries (3) arranged in at least two consecutive rows and having extrusion openings (4) for extruding a spinning solution, whereby the filaments (2) are formed, and a plurality of components (7, 8, 10) for the generation of a gas stream for producing a gas stream oriented essentially in the direction of the extrusion of the filaments (2) at least in the area of the extrusion openings (4), wherein the extrusion capillaries (3) are arranged in extrusion columns (6) which protrude from a base plate (5) and are formed in one piece with said base plate (5).

Abstract: A nonwoven cellulose fiber fabric, in particular directly manufactured from lyocell spinning solution, wherein the fabric comprises a network of substantially endless fibers, wherein different ones of the fibers are located at least partially in different distinguishable interconnected layers, and wherein the fabric is optically transparent when wet.

Abstract: It is described a nonwoven cellulose fiber fabric directly manufactured from a lyocell spinning solution. The fabric comprises a network of substantially endless fibers. The fabric exhibits a water holding capability of at least 850 mass percent. Further, the fabric comprises a mass per unit area which is smaller than 25 gram per square meter. It is further described a method and a device for manufacturing such a fabric, a product or composite comprising such a fabric, and various use applications for such a fabric.

Abstract: A nonwoven cellulose fiber fabric, in particular directly manufactured from lyocell spinning solution, wherein the fabric comprises a network of substantially endless fibers, and wherein the fibers are homogeneously merged substantially over the entire fabric.

Abstract: This invention relates to a process and a device for manufacturing cellulose-based webs which are directly formed from lyocell spinning solution and in particular for the washing of directly formed cellulose webs.

Abstract: It is described a nonwoven cellulose fiber fabric directly manufactured from a lyocell spinning solution. The fabric comprises a network of substantially endless fibers, wherein the fabric exhibits an oil absorbing capability of at least 1900 mass percent. It is further described a method and a device for manufacturing such a fabric, a product or composite comprising such a fabric, and various use applications for such a fabric.

Abstract: A nonwoven cellulose fiber fabric directly manufactured from lyocell spinning solution, wherein the fabric comprises a network of substantially endless fibers differing concerning fiber diameter so that a ratio between a largest fiber diameter and a smallest fiber diameter is more than 1.5.

Abstract: It is described a nonwoven cellulose fiber fabric directly manufactured from a lyocell spinning solution. The fabric comprises a network of substantially endless fibers. The fabric is characterized by at least one of the following features: (i) a rate of liquid spread is at least 3000 mm2 within 5 minutes; (ii) a water absorbing capability is characterized by a wicking speed of at least 0.25 gram water per 1 gram fabric and 1 second. It is further described a method and a device for manufacturing such a fabric, a product or composite comprising such a fabric, and various use applications for such a fabric.

Abstract: A nonwoven cellulose fiber fabric, in particular directly manufactured from lyocell spinning solution, wherein the fabric comprises a network of substantially endless fibers, and wherein the fabric further comprises a plurality of first or primary pores delimited between a first plurality of the fibers and having sizes within a first size range, and a plurality of second or secondary pores delimited between a second plurality of the fibers and having sizes within a second size range, wherein the first size range encompasses sizes being smaller than sizes encompassed by the second size range.