The present invention relates to a solid regenerated standard viscose fibre. The fibre according to the invention has a cross section the area of which is larger than the area of the largest equilateral triangle inscribed into said cross section by a factor of less than 2.50 times, preferably less than 2.40 times,...

The present invention concerns a process for the manufacture of solid regenerated viscose fibres, comprising the steps of: - spinning a viscose spinning dope through a spinneret comprising spinning holes into a regenerating bath thereby forming filaments, said viscose spinning dope having an alkali ratio imme...

A cellulosic fibre of the Lyocell type, characterized in that it has between 0.25 and 7.0% by mass, in particular between 1.0 and 3.0% by mass, based on the mass of the cellulosic fibre, of cellulose having a molecular weight of at least 5x105.

A process for the production of a cellulosic fiber from a solution of cellulose in a tertiary amine-oxide via a jet-wet process according to the present invention comprises the steps of pressing the solution of cellulose through a spinneret, thereby obtaining filaments, conducting the filaments through an air gap in...

A PROCESS FOR THE PURIFICATION OF AN AQUEOUS SOLUTION OF A TERTIARY AMINE OXIDE

The present invention relates to novel dyed cellulosic moulded bodies, in particular to fibres or films, containing a heavy-metal-containing colorant, which, according to the thermal stability test described above, reduces the rise temperature of a cellulose solution in a tertiary amine oxide by 10°C at most, in par...

N/A

The invention relates to a thin film treatment apparatus (8) comprising a rotor (16) having at least one cylindrical section (26), at least one wiping blade (32, 33, 34, 35, 36, 41) being arranged on said cylindrical section, said wiping blade comprising at least two teeth (42, 43, 44, 42"", 43"", 44""), which is ch...

The invention relates to a lyocell type fiber that has a linear density of 0.8 to 3.3 dtex and is characterized by the following relations: Höller factor F2= 1 preferably = 2; Höller factor F1 = 0.6; Höller factor F2 = 6; and Höller factor F2 minus 4.5*Höller factor F1 = 1 preferably = 3. The fiber of the inventi...

ABSTRACT (DE)The invention relates to a process for the preparation of a chemical pulp from a cellulosic starting material by means of the Kraft process, comprising the step of cooking the raw material with a cooking liquor. The inventive method is characterized in that the starting material is exposed prior to ...

The invention concerns a cellulose fibre of the genus Lyocell which is treated with a cross-linking agent, with the cross-linking agent inducing a protection from fibrillation on the fibre and exhibiting the following properties: - the protection from fibrillation induced by the cross-linking agent changes if the f...

The present invention relates to novel dyed cellulosic moulded bodies, in particular to fibres or films, containing a heavy-metal-containing colorant, which, according to the thermal stability test described above, reduces the rise temperature of a cellulose solution in a tertiary amine oxide by 10°C at most, in par...

The present invention relates to a cellulosic moulded body containing a cellulose/clay nanocomposite, wherein the clay component of said nanocomposite comprises a material selected from the group consisting of unmodified hectorite clays and hydrophilically modified hectorite clays.

The present invention relates to a bioactive textile product containing a cellulose fiber of the Lyocell type, the said fiber being characterized in that it exhibits a biodegradation rate of less than 60% after 20 weeks and/or in which the note for the susceptibility to Eurotium rubruni amounts to less than. 2 after...

The invention relates to a device for producing cellulosic staple fibres, comprising a cutting device (1) for cutting cellulosic continuous filaments to obtain staple fibres and a liquid transport device (2) for transporting the staple fibres. The inventive device is characterised in that the liquid transport device...

The invention relates to a method for producing cellulose shaped bodies according to the viscose method, said bodies containing a material with ion-exchanging characteristics, which is added to the spinning solution and/or to a precursor thereof. The inventive method is characterised in that the material is added in...

The present invention relates to the use of a multilobal cellulosic staple fiber as a filling fiber. Furthermore, the invention relates to a cellulosic staple fiber which is characterized in that -the cross-section of the fiber has three or more lobes - the titer of the fiber is 1 .0 to 30 dtex, preferably more...

The invention relates to a process for dyeing a mixture of two or more different fibre types with one or more dyes. The process according to the invention is characterized in that the mixture contains a portion of cationized cellulosic fibres. Furthermore, the invention relates to fibre blends obtainable by the proc...

The invention relates to a method of manufacturing a solution of cellulose in an aqueous organic solvent by treatment of a premix containing cellulose, water and an organic solvent for cellulose. The premix is pumped with a pump through a supply line into a vertically orientated thin film evaporator having a central...

The invention relates to a method for the production of cellulosic moulded bodies through the aminoxide-method by using a bamboo-paper pulp, in which the percentage of the bamboo-paper pulp lies between 5 and 70 % by weight, with respect to the entire pulp content in the spinning mass, preferably between 10 % and 50...

The invention relates to a terry product consisting of a textile base material and a pile associated with the base material, which is characterized in that the base material and/or the pile comprise(s) at least partially a cellulose fibre selected from the group consisting of viscose fibres, modal fibres, polynosic ...

The invention relates to a method for producing shaped cellulose bodies according to the amine oxide method comprising the following steps: a cellulose solution is shaped in an aqueous tertiary amine oxide; the shaped solution is precipitated; and the obtained shaped body is washed and dried. The inventive method is...

The invention relates to a thin film treatment apparatus (8) comprising a rotor (16) having at least one cylindrical section (26), at least one wiping blade (32, 33, 34, 35, 36, 41) being arranged on said cylindrical section, said wiping blade comprising at least two teeth (42, 43, 44, 42"", 43"", 44""), which is ch...

The invention relates to a thin film treatment apparatus (8) comprising a rotor (16) having at least one cylindrical section (26), at least one wiping blade (32, 33, 34, 35, 36, 41) being arranged on said cylindrical section, said wiping blade comprising at least two teeth (42, 43, 44, 42"", 43"", 44""), said teeth ...

A moisture wicking fabric has one side comprised substantially entirely of'inKere'ntly hydrophobic fibres such as polyester or polypropylene and the other side comprised of a mixture of hydrophobic fibres such as polyester or polypropylene and hydrophilic fibres, particularly cellulosic fibres such as cotton, lyocel...

A backwash filter, in particular for highly viscous media, comprising a filter body (2) provided in a casing (1) and forming a cylinder jacket, wherein the casing (1) and the filter body (2) are rotatable about the axis of the filter body (2) relative to one another and wherein the filter body (2) separates a medium...

A process for the production of cellulose moulded bodies according to the amine-oxide process, wherein a cellulose suspension and finally a mouldable solution are produced from an aqueous solution of an amine-oxide by the process as claimed in claim 1 and shredded cellulose, said solution being moulded and passed in...

A process for producing an evenly-dyed fabric comprising botji cotton fibres and man-made cellulose fibres, in which a fabric is manufactured from both said fibres and is dyed, is characterised by impregnating the man-made cellulose fibres, prior to manufacture of the fabric, .with a water-soluble, flexible linear p...

The invention relates to a method of producing a formed cellulosic article dyed using a vat dye, in particular a fibre or a film, comprising the following steps: providing a cellulosic starting material which comprises the vat dye in molecularly disperse form; preparing a formable solution from the cellulosic starti...

The invention concerns a Lyocell fibre, containing a material selected from the group consisting of pearl powder, ground nacre and mixtures thereof. For the manufacture of the fibre according to the invention, a process is used comprising the steps of - manufacturing a spinning solution of cellulose in an aqueous...

A process for producing lyocell-type cellulosic fibres by processing a spinnable solution of cellulose in an aqueous tertiary amine oxide according to the dry/wet-spinning process in the manner such as herein described, characterized in that a solution having a content of between 0.05% by mass and 0.70% by mass, b...

The invention is concerned with a device for controlling pressure in a flowing viscous mass, said device being characterized by: - an inlet (8a) through which the mass flows into the device, - a guiding element (9, 12) having a receiving capacity for the mass flowing from said inlet (8a), - a piston (11) having a...

The invention relates to a process for the production of polymeric moulded bodies, wherein a mouldable mass containing the polymer is extruded via a forming tool comprising a carrier material and at least one extrusion orifice arranged in the carrier material and the polymeric moulded body is obtained from the extru...

Device for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which device eomprises an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice there is provided an inlet for cooling gas to cool the extruded she...

The invention refers to a process for the measurement of the extinction of turbid suspensions characterized in that the following steps are performed continuously in the given sequence: • taking of samples from the suspension tank separation off of larger and smaller particles • degassing of the sample measuremen...

The invention is concerned with a process for the production of cellulose fibres, wherein a solution of cellulose in an aqueous tertiary amine-oxide is extruded into filaments through spinning holes of a spinneret and the extruded filaments are conducted across an air gap into a substantially aqueous precipitation b...

NA

A  process  for  the  production  of  cellulose  fibres  exhibiting  high brightness, characterized by the combination of steps of bleaching pulp using a bleaching agent, provided that said bleaching agent does not contain chlorine or any chlorine compound, dissolving said pulp bleached using said bleaching agent ...

A process for producing lyocell-type cellulosic fibres by processing a spinnable solution of cellulose in an aqueous tertiary amine oxide according to the dry/wet-spinning process in the manner such as herein described, characterized in that a solution having a content of between 0.05% by mass and 0.70% by mass, b...

The present invention relates to a process for the production of a hydroentangled product comprising cellulose fibers, comprising the steps of (a) extruding a solution comprising cellulose dissolved in an aqueous tertiary amine-oxide through a spinneret into an air gap, thereby forming filaments (b) drawing said fil...

The present invention relates to a process for the treatment of a cellulosic moulded body, wherein the moulded body is contacted with an acid solution of a chitosan. The process according to the invention is characterized in that the chitosan has a deacetylation degree of at least 80%, a nitrogen content of at least...

The invention relates to the use of non-modified Lyocell fibres, a yarn containing non-modified Lyocell fibres, a textile fabric containing non-modified Lyocell fibres or a textile article containing non-modified Lyocell fibres as a product for in particular dry wound care.

The invention relates to a method for producing a chemical conversion pulp from a cellulose starting material by kraft pulping, comprising the step of cooking the starting material with a cooking liquor. The method according to the invention is characterized by exposing the starting material to a steam treatment pri...

The invention relates to a method for producing cellulosic products made of cellulosic raw material containing bamboo pulp by employing the aminoxide-method with a bamboo pulp content between 30 % and 100 % characterised in that the pulp contains a maximum of 10 ppm iron, 2,5 ppm manganese, 2.5 ppm copper and 100 pp...

The invention relates to a method for producing a cellulosic molded body in accordance with the viscose method by shaping a spinning mass containing cellulose xanthate. The method is characterized in that xylan is added to the cellulose xanthate at a fraction of at least 1 wt% with respect to cellulose preferably 1 ...

The present invention relates to a process for the production of a hydroentangled product comprising cellulose fibers, wherein a Lyocell melt-blown web is subjected to a treatment by fine high-pressure jets of water, characterized in that - the web is subjected to said fine high-pressure jets in at least three treat...

The invention relates to a high-concentration mixer (1) for producing a suspension (2), comprising a stationary container (3) and an agitator (8) arranged in the container axis (7), which agitator is connected to a motor via a flange (9) provided in the region of the container bottom (4), which motor is designed ...

A spinning device for carrying out the amine-oxide process according to the dry/wet-spinning process comprising:a spinneret [3] having spinning holes for extruding filaments [4,5],a blowing device whereby said extruded filaments [4,5] may be cooled immediatelyafter being delivered from the ...

The present invention relates to a bursting insert (1) for installation in a pipeline or apparatus system (29) for transporting a fluid showing a spontaneous exothermic reaction, for instance a synthetic polymer or a polymer solution, a cellulose derivative or a solution consisting of cellulose, water and am...

A nonwoven cellulose fiber fabric (102), in particular directly manufactured from lyocell spinning solution (104), wherein the fabric (102) comprises a network of substantially endless fibers (108), and wherein the fibers (108) are homogeneously merged substantially over the entire fabric (102). ...

It is described a nonwoven cellulose fiber fabric (102) directly manufactured from a lyocell spinning solution (104). The fabric (102) comprises a network of substantially endless fibers (108). The fabric (102) exhibits a water holding capability of at least 850 mass percent. Further, the fabric (102) comprises a ma...

A nonwoven cellulose fiber fabric (102), in particular directly manufactured from lyocell spinning solution (104), wherein the fabric (102) comprises a network of substantially endless fibers (108), and wherein the fabric (102) further comprises a plurality of first or primary pores (260) delimited between a first p...

A nonwoven cellulose fiber fabric (102), in particular directly manufactured from lyocell spinning solution (104), wherein the fabric (102) comprises a network of substantially endless fibers (108), wherein different ones of the fibers (108) are located at least partially in different distinguishable interconnected ...

It is described a nonwoven cellulose fiber fabric (102) directly manufactured from a lyocell spinning solution (104). The fabric (102) comprises a network of substantially endless fibers (108), wherein the fabric (102) exhibits an oil absorbing capability of at least 1900 mass percent. It is further described a meth...

It is described a nonwoven cellulose fiber fabric (102) directly manufactured from a lyocell spinning solution (104). The fabric (102) comprises a network of substantially endless fibers (108). The fabric (102) is characterized by at least one of the following features: (i) a rate of liquid spread is at least 3000 m...

A nonwoven cellulose fiber fabric (102) directly manufactured from lyocell spinning solution (104), wherein the fabric (102) comprises a network of substantially endless fibers (108) differing concerning fiber diameter so that a ratio between a largest fiber diameter and a smallest fiber diameter is more than 1.5. ...

The invention relates to a device (1) for extruding filaments (2), having a plurality of extrusion capillaries (3) arranged in at least two rows, one behind the other, having extrusion openings (4) for extruding a spinning solution to form filaments (2) and a plurality of means (7, 8, 10) for generating gas flow in ...

(EN) The invention relates to a method for producing an oxidized polymer from a tetrakishydroxyalkylphosphonium compound having NH 3 or at least one nitrogen compound, comprising at least one NH 2 or at least two NH groups, or NH 3 , comprising the steps of (a) reacting at least one tetrakishydroxyalkylphosphonium ...

The invention relates to a knit fabric. There is a need for knit fabrics made that are comfortable to wear, have good washability and high softness. Good washability implies both dimensional stability of the fabric and maintaining positive surface aspects such as hairiness, pilling and fiber splice even after severa...

The invention relates to a denim fabric as it is used for clothes (1). The fabric is made from weft yarns (4) and warp yarns (6). At least one of the warp yarns and the weft yarns contains or consists of lyocell filaments (8). The resulting material combines high mechanical strength against wear and tear with superi...

A process (1, 101, 201) for separating a fibrous target component (21) from textile waste (2, 5) is shown, said textile waste (2, 5) containing the target component (21) and at least one ancillary component (22), whereby the target component (21) consists of water-swellable textile fibers (51) with a density higher ...

The invention relates to a method for producing a regenerated cellulosic molded body (102). The method has a step of supplying (52) a starting material (110) which has cellulose and at least one foreign material, converting at least a proportion of the starting material (110) together with at least a proportion of t...

The invention relates to a method for identifying a product (150) containing cellulose. In said method, a dataset (180) is determined indicating multiple components of the product (150) or a preform of said product (150), and the data set (180) correlating to the product (150) or preform is stored in a data bank (15...

A method for producing a regenerated cellulose molded body (102), the method having the steps of: supplying (78) a starting material (110) which contains cellulose and is produced by means of a Lyocell process, said starting material being produced by the steps of dissolving (52) a cellulose source (48) in a solvent...

A method for recycling cellulose-containing textile material for producing regenerated cellulose molded bodies (102), wherein, in the method, the textile material is comminuted (56), at least a portion of non-fiber components of the comminuted textile material is separated (58) from fiber components of the comminute...

The invention relates to a method for producing a cellulose-containing molded body (102). The method has the steps of: i) providing (78) a starting material (110) which has cellulose and elastane, said elastane being provided in the starting material (110) separately from the cellulose in particular, wherein the sta...

The invention relates to a method for recycling a mixed textile (110), wherein the method comprises the following steps: i) supplying (52) the mixed textile (110), wherein the mixed textile (110) contains cellulosic fibres and synthetic fibres, wherein the synthetic fibres comprise at least one synthetic plastic; ii...

The invention relates to a spinning device (1) and to a method for the piecing of a spinning device (1) for the continuous extrusion of moulded bodies (3) from a spinning solution (6), and to a piecing device (11) for carrying out said method. According to said method, the moulded bodies (3) are extruded from the sp...

The invention relates to a piecing device (11, 51) and to a method for the piecing of a spinning device (1, 101) for the continuous extrusion of moulded bodies (3) from a spinning solution (6) containing a solvent and a cellulose dissolved in the solvent, in which the moulded bodies are extruded from the spinning so...

The present invention relates to a cellulosic fibre of the lyocell genus. The fibre according to the invention has the following properties: a) the fibre has a content of hemicellulose of 5 wt.% or more b) the fibre is characterized by the Hoeller factors Fl and F2 as follows: Hoeller factor Fl = 0.7+x and = 1.3+x H...

The present invention provides a lyocell fiber with increased water retention value and decreased crystaliinity as well as a method for producing same and products comprising same.

The present invention provides a process for the viable production of lyocell cellulose continuous filament yarns at very high production speeds.

An installation (1) for producing spun-bonded nonwoven fabric (8), comprising a spinning solution production system (3), a spinning system (2), an apparatus (6) for dispensing coagulation liquid, and at least one conveying means (7, 9) for supporting the spun-bonded nonwoven fabric (8) and a collection apparatus for...

This invention relates to a fabric consisting of at least a first yarn containing cellulosic fibers modified by a cationic modifier and a second yarn containing cellulosic fibers not modified by a cationic modifier, and to the use of this fabric in order to obtain a denim appearance.

The present invention relates to a process for the treatment of lyocell fibres, comprising the step of contacting the fibre with at least one treatment medium, at least one treatment medium containing an amount of a crosslinking agent, wherein the cross-linking agent is capable of crosslinking cellulose under alkali...

A recycled cellulose raw material and a method for recycling a cellulose raw material from blended textile waste with high reliability and yielding high raw material quality is shown, the method comprising the steps in the given order: providing the blended textile waste containing at least one cellulose component a...

The invention relates to a molding tool (1, 51) for extruding cellulose molded bodies (4) from a spinning material (2), comprising an inlet side (6, 56) and an outlet side (7, 57) for the spinning material (2), and at least one nozzle body (8, 58a, 8b, 58c), having a flat support (9, 59a, 59b, 59c) with extrusion op...

This invention relates to a spun-dyed man-made cellulosic fiber with incorporated color pigment which contains a polycationic compound on its outer surface. Furthermore a method for the manufacture of such a fiber is disclosed.

This invention relates to a crimped lyocell tow for use in stretch breaking, worsted or semi worsted spinning, its manufacture and use.

The present invention relates to the surface adaptation of a roller to be employed in the production of cellulose filament yarns.

The present invention relates to a process for washing filaments.

Disclosed is a process for recovering raw materials from mixed textile wastes which comprises the following steps in the specified sequence: a) providing a mixed textile waste containing at least one cellulose component and at least one polyester component, b) treating the mixed textile waste in an aqueous treatment...

Process for processing and utilization of waste liquor containing at least polyester decomposition products from an alkaline digestion process to obtain a cellulose raw material from mixed textile waste which contains at least a cellulose component and a polyester component. In order to make the process more environ...

The invention relates to a method (100) for producing a spunbond nonwoven (1). A spinning material (2) is extruded through the nozzle holes (4) of at least one spinneret (3, 30) in order to form filaments (5, 50), and the filaments (5, 50) are stretched in an extrusion direction and laid on a first conveyor device (...

The present invention relates to a method and to an apparatus for measuring the whiteness and/or testing the dye affinity of filaments.

The present invention relates to a quality control method for coils.

A composite nonwoven fabric (1, 51, 61) and a process (100, 101, 102) for the production of the composite nonwoven fabric (1, 51, 61) are shown, wherein the composite nonwoven fabric (1, 51, 61) comprises at least one spunbonded nonwoven (8, 54, 64), which exhibits essentially continuous regenerated cellulosic fi...

The invention relates to a method (100, 101) for producing a spunbonded fabric (1) and to a device (200, 201) with an embossing pattern (10). In the method, a spinning material (2) is extruded through a plurality of nozzle holes of at least one spinneret (3, 30) in order to form filaments (4, 40), and each of the fi...

A process (100) for the recovery of solvent (1) from solvent-containing cellulosic particles (2) is shown, the process comprising the steps: a) extracting the solvent (1) from the cellulosic particles (2) by means of a liquid extraction medium (3), thereby obtaining a solvent-enriched extraction medium (5), and b) o...

This invention relates to cellulosic fibers, containing incorporated indigo pigments in the oxidized form, wherein the fibers are made according to a modal process, show a tenacity (conditioned) of at least 29cN/tex and a wet modulus according to BISFA of at least 5cN/tex/%. Furthermore the invention relates to the ...

The invention relates to a modified viscose fibre into which a material obtained from algae has been incorporated. The fibre according to the invention is characterized by a wet modulus at an elongation of 5% in the wet state which satisfies the following formula: Wet modulus (cN) = 0.5* vT where T is the linear den...

The present invention relates to a method of pulping cotton-based raw material for producing dissolving pulp. More specifically, the invention relates to a process for producing dissolving pulp under alkaline conditions in combination with a gaseous oxidizing agent. The present invention further relates to dissolvin...

The invention relates to a lining fabric (3) for a clothing article (1). In order to provide a lining fabric (3), that is hygroscopic to ensure good wearing comfort, and has sufficient dimensional stability to allow washing in a household laundry machine, the lining fabric (3) according to the invention is made from...

The present invention provides a process for the viable production of lyocell cellulose continuous filament yarns

Silk woven fabric is known and renowned for its touch. The drawback of silk, however, is its price, its poor washability, and low resistance against certain chemical treatments. It is therefore the object of the invention to provide a silk-like woven fabric which overcomes these problems. According to the invention,...

The invention relates to a filament having flame retardant properties, as well as methods for its preparation and its use. The filament according to the invention are Lyocell filaments.

The present invention provides a lyocell fiber with decreased pill formation while showing a high hemicelluloses content and an increased tendency to fibrillate, as well as a method for producing same and products comprising same.

The present invention describes special cellulose compositions which make it possible to stably produce a lyocell fiber with a reduced cellulose content on a large scale, and to the lyocell fiber thereby obtained.

The invention relates to an apparatus for laying filaments (3) to form a spunbond (8), dehumidifying the spunbond (8) and extracting the process air laden with solvent and coagulant, comprising a conveyor apparatus (7) for transporting the spunbond (8) in a transport device, the conveying device (7) having a support...

The invention relates to a nonwoven material (100, 101) and to a wiping cloth (200), a face mask (300) and a drying cloth (400) comprising the nonwoven material (100, 101), having a network (1) of shaped bodies (2), wherein the nonwoven material (100, 101) in the dry state has a specific opacity of greater than or e...

The present invention provides a process for the viable removal of liquid from lyocell cellulose continuous filament yarns at very high production speeds.

The invention relates to a method for providing a prepared cellulose-containing mixed source material (110), in particular, a mixed source material (110) for forming a cellulose shaped body (102), in particular, a regenerated cellulose shaped body. The method comprises: i) providing (10) a first source material (101...

The invention relates to a process for continuously preparing a broken-up, cellulose-containing starting material (110), in particular, a starting material for forming a cellulose shaped body (102). The process comprises: i) supplying (10) a cellulose-containing starting material (101) which is a solid material, hav...

The invention relates to a method for producing a cellulose paper material (150). The method comprises: i) providing (105) used textiles as a starting material (101), the used textiles containing cellulose and non-cellulose foreign substances (in particular synthetic plastics and/or metal oxides); ii) at least parti...

A process is described for preparing a broken-up, cellulose-containing starting material (110), in particular, a starting material for forming a cellulose shaped body (102), in particular, a regenerated cellulose shaped body. The process comprises: i) supplying a cellulose-containing starting material (101) which co...

The invention relates to a method for cleaning a spunbond spinneret for producing a cellulose spunbonded nonwoven fabric from a solution of cellulose in an aqueous organic solvent by extruding the solution through spinneret holes of the spunbond spinnerets in order to form filaments and stretching the filaments in t...

The present invention relates to a spinneret, and a method of heating a spinneret used for spinning cellulosic filaments from a cellulose solution in a solvent. The invention also relates to a lyocell process employing such a spinneret

The invention relates to a xylan-containing composition (1) and to a method (100) for producing a xylan-containing composition (1), wherein acid (4) is added to an aqueous alkaline solution (2) which has hemicelluloses (3), and a xylan-containing precipitate (6) is separated from the resulting precipitation suspensi...

The invention relates to a method (200, 201, 202) for recovering alkaline solution (1) from aqueous alkaline solution (2) contaminated with hemicelluloses (22), and to a device (100, 101) for carrying out the method (200, 201, 202), in which the aqueous alkaline solution (2) is guided as feed flow (14), and process ...

A device for producing a seamless tubular, cellulosic spun-bonded nonwoven fabric, comprising a spinning mass generation system (8), a spinning system (2), a coagulation system (4), a depositing portion (3) for depositing and dewatering the spun-bonded nonwoven fabric, a transport device (13, 22) for transporting th...

The invention relates to a method for producing lyocell staple fibers, having the steps in the following sequence: a) extruding filaments of a solution of cellulose in an organic solvent, b) precipitating the cellulose in order to form continuous cellulose filaments, c) washing the cellulose filaments, d) bringing t...

The invention shows a lyocell fibre containing a matting agent whereby the matting agent comprises between 2 wt.-% and 5 wt.-% BaSO4 and less than 1 wt.-% TiO2, with respect to fibre weight, whereby the matting agent is incorporated in the fibre matrix in the form of particulates. The invention further concerns the ...