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WO/2021/200427A1 |
A hollow fiber membrane comprising a cellulosic ester and cellulosic nanofiber.
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WO/2021/199717A1 |
Provided are a nonwoven fabric of a large basis weight, and a method for manufacturing the nonwoven fabric. At a nonwoven fabric manufacturing facility (15), a fiber (11) formed by applying a voltage between a solution (23a) and a coll...
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WO/2021/185704A1 |
There is provided a process for chemically pretreating reclaimed cellulose fibres to be used in the production of moulded bodies from regenerated cellulose, wherein the pretreatment includes one stage, in which stage acid metal removal a...
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WO/2021/170607A1 |
The invention relates to a method for producing a spunbonded fabric (1) and to a device for this purpose. A spinning material (2) is extruded through a plurality of nozzle holes of at least one spinneret (3) in order to form filaments (4...
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WO/2021/170608A1 |
The invention relates to a method for producing a spunbonded fabric (1) and to a device for this purpose. A spinning material (2) which contains a solvent is extruded through a plurality of nozzle holes of at least one spinneret (3) in o...
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WO/2021/172025A1 |
Provided are a nonwoven fabric, of which the linear diameter is thin, the relative standard deviation of pore diameter distribution is small, and the pore diameter is large, and a nonwoven fabric manufacturing method with which it is pos...
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WO/2021/170605A1 |
The invention relates to a method for producing spunbonded fabric (1), wherein a spinning material (2) is extruded through a plurality of nozzle holes (4) of at least one spinneret (3, 40, 50) in order to form filaments (5), and each of ...
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WO/2021/170609A1 |
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 le...
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WO/2021/165572A1 |
A coagulation bath system for fiber spinning, the system comprising a coagulation bath con figured to have coagulation liquid consisting of at least partly of water, and forming a water flow, which coagulation liquid is arranged to recei...
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WO/2021/151653A1 |
The invention relates to a cellulose-containing fibrous material for a nonwoven product, in particular in the form of a wiping cloth, cleaning cloth, sanitary product, medicinal product, or domestic cloth, wherein the fibrous material is...
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WO/2021/153684A1 |
Provided are a cellulose composite that contains nanoparticles, and a method for producing same, the composite fully manifesting the function of functional nanoparticles and yielding excellent durability and mechanical properties. The pr...
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WO/2021/144854A1 |
Provided are a fibrillated regenerated cellulose fiber, and a fabric using the same, the fiber having a characteristic surface texture, softness, and a resilient feeling, being fibrillated by rubbing and tanning treatment in a wet state,...
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WO/2021/135705A1 |
A cellulose fiber continuous preparation method. In said preparation method, a shaping tension of 0.1-1.9 cN/dtex is applied to solution fine streams extruded through a spinneret and cooled by an air gap, then the obtained fine streams a...
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WO/2021/136885A1 |
According to an example aspect of the present invention, there is provided a melt spinning method of cellulose based fibers with controlled molar masses and different side lengths, and continuous melt spun cellulose fibers thereof.
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WO/2021/132397A1 |
The present invention provides a separation membrane which contains a cellulose ester, while having a plurality of voids in a cross-section that is parallel to the longitudinal direction and the membrane thickness direction of the membra...
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WO/2021/132399A1 |
The present invention provides a separation membrane that contains, as a major component A, a thermoplastic polymer selected from cellulose esters and polyamides. All regions 1-5 obtained by dividing a prescribed cross-sectional surface ...
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WO/2021/126132A1 |
The invention relates to a sock that is preferably knitted with a recycle gimped yarn containing at least 60% cellulose acetate yarn and comprises a reinforced sole (11), a reinforced toe (12), a forefoot part (13), a rear foot part (14)...
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WO/2021/122378A1 |
The invention relates to a method (100, 101) for producing spunbonded fabrics (1.1, 1.2, 1.3) and to an apparatus (200, 201) for producing spunbonded fabrics (1.1, 1.2, 1.3), wherein, in the method (100, 101), a spinning compound (2) is ...
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WO/2021/119269A1 |
A polymer composition containing cellulose acetate in combination with one or more bloom resistant or bio-based plasticizers and optionally one or more bio-based polymers is described. The polymer composition is formulated so as to have ...
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WO/2021/105275A1 |
The present invention relates to a process for washing filaments.
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WO/2021/107146A1 |
The present invention addresses the problem of providing a microfibrous cellulose dispersion which has a high concentration and is highly transparent. The present invention pertains to a fibrous cellulose having a fiber width of at most ...
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WO/2021/105809A1 |
The present disclosure relates to an acid regenerated cellulose fiber having wet tenacity of at least 1.7 grams per denier; conditioned tenacity of at least 3.0 grams per denier; and degree of polymerization of less than 300.
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WO/2021/078768A1 |
The present invention relates to the surface adaptation of a roller to be employed in the production of cellulose filament yarns.
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WO/2021/079025A1 |
The invention concerns a textile fiber or textile web comprising a binary polymer composition, which binary polymer composition comprises a first polymer being cellulose acetate propionate and a second polymer selected from several polym...
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WO/2021/073779A1 |
The invention relates to a process for producing a cellulosic functional fibre having a high ion exchange capacity, a cellulosic functional fibre produced by means of said process, a textile product comprising said cellulosic functional ...
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WO/2021/074319A1 |
The invention relates to a process for producing a cellulosic functional fibre having a high ion exchange capacity, a cellulosic functional fibre produced by means of said process, a textile product comprising said cellulosic functional ...
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WO/2021/068309A1 |
A fresh flower fiber filament for textiles. The fresh flower fiber filament for the textiles is prepared by the following method: (1) taking a proper amount of petals, and preliminarily crushing same to obtain a slurry dispersion liquid;...
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WO/2021/053272A1 |
Colored lyocell type fibers comprising respun coloured recycled fibers and method of producing the same. According to the method a raw-material of colored recycled textile fibers is provided and dissolved in an ionic liquid to provide a ...
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WO/2021/040815A1 |
Provided herein are cellulose acetate tow bands having less than 0.1 wt.% titanium dioxide, wherein the content of titanium dioxide is measured by ashing and/or by titanium particle count density. Also provided herein is a method of meas...
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WO/2021/040816A1 |
Provided herein are cellulose acetate tow bands having less than 0.1 wt.% titanium dioxide, wherein the content of titanium dioxide is measured by ashing and/or by titanium particle count density. Also provided herein is a method of meas...
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WO/2021/023594A1 |
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 c...
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WO/2021/015078A1 |
The purpose of the present invention is to provide a cellulose fiber containing a carbon nanotube, which can be satisfactorily reduced in the occurrence of fibrillation and can be satisfactorily improved in strength. A cellulose fiber co...
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WO/2021/014561A1 |
The present invention aims to provide a method for producing cellulose acetate fiber that has excellent strength and can be spun at high speed, even when the cellulose acetate fiber has low fineness. This cellulose acetate fiber produc...
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WO/2021/001780A1 |
A process of preparing moulded cellulosic material from reclaimed cellulosic material is disclosed. The process comprises the steps of: treating the reclaimed cellulosic material with at least one bleaching compound, to decolourise (if a...
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WO/2020/263483A1 |
Thermoformed molded articles are made containing and from fabrics containing spandex and cellulose ester fibers. In the process for making the molded article, a fabric is layed up in a mold a thermoformed at a temperature not exceeding 1...
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WO/2020/260625A1 |
Disclosed is a method for quantification of water and/or one or more ionic liquid components in an ionic liquid (IL)/water (H2O) mixture. The method comprises obtaining one or more Raman spectra for the IL/H2O mixture, and using a quanti...
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WO/2020/252683A1 |
For recycling, fibers are recovered from fibrous products by using two or more hydrothermal reactors to conduct hydrolysis. The fibrous products are divided into batches. A batch to be hydrolyzed is fed to a selected reactor under atmosp...
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WO/2020/254232A1 |
The invention discloses a preparation method and a production device for producing a recycled fiber spinning solution with using a solvent, which comprises two or more vertical wiped film evaporators (3, 4,...) connected with a single ho...
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WO/2020/252500A1 |
Pouches, for example pouches that contain one or more oral care active agents, and more particularly pouches employing a water-soluble fibrous wall material, pouches employing a fibrous wall material that mptures during use, pouches empl...
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WO/2020/251463A1 |
The present invention relates to a process for the production of regenerated cellulosic fibers from a cellulosic spin dope, said process comprising the steps of treating a recycled cellulosic waste material to remove at least one of lign...
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WO/2020/241756A1 |
The present invention is a method for producing a modified cellulose, comprising the following step A. Step A: a step of introducing a substituent having 6 or more carbon atoms into a group generated by removing a hydrogen atom from a hy...
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WO/2020/234122A1 |
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 ...
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WO/2020/231315A1 |
A process for separately recovering sodium hydroxide (NaOH) and a sodium coagulation salt, respectively, from an aqueous composition (10) comprising a dissolved sodium coagulation salt and dissolved sodium hydroxide (NaOH) and having a p...
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WO/2020/222258A1 |
The present invention relates to a process for manufacturing lyocell filament yarn with improved mechanical properties and an apparatus thereof. The process involves washing of filament yarn with sequential decrease in NMMO concentration...
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WO/2020/207767A1 |
This invention relates to a crimped lyocell tow for use in stretch breaking, worsted or semi worsted spinning, its manufacture and use.
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WO/2020/200873A1 |
The invention relates to an insulation material, in particular in the form of mats which can be inserted, for example between rafters, with or without lamination, or in the form of stuffing wool, or in the form of cut staple fibres for b...
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WO/2020/189170A1 |
Provided is a nonwoven fabric production method capable of producing nonwoven fabric wherein hole diameters change from one edge to the other edge without boundaries. A nonwoven fabric production apparatus (10) applies voltage between ...
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WO/2020/175374A1 |
A hollow fiber membrane, which is a hollow fiber semipermeable membrane, wherein for the peak intensity of the maximum peak in each of multiple Raman spectra obtained using Raman spectroscopy on multiple points in the membrane thickness ...
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WO/2020/173783A1 |
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 bo...
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WO/2020/171767A1 |
A process for forming a fiber tow, involves a wet spinning procedure comprising the steps of: dissolving cellulose pulp in an alkaline aqueous solvent to form a cellulose spin dope composition, spinning the cellulose spin dope compositio...
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