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WO/2012/132903A1 |
Cellulose nanofibers are produced by means of a method involving a step (A) for oxidizing a cellulose-based starting material in the presence of an N-oxyl compound and such, a step (B) for forming the oxidized cellulose-based starting ma...
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WO/2012/132663A1 |
Cellulose nanofibers are produced by means of a method involving a step (A) in which a cellulose-based starting material derived from hardwood having a hemicellulose content of 17 mass% or more is oxidized using an oxidizing agent (a3) i...
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WO/2012/124652A1 |
The present invention relates to modified cellulose nanofibers characterized by the use of an anionic additive to neutralize cationic groups in cationic cellulose nanofibers. The present invention also relates to: a resin composition tha...
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WO/2012/120074A1 |
The present invention is directed towards a method for spinning anionically modified cellulose comprising the steps of: (a) preparing a suspension of the anionically modified cellulose in a continuous phase; (b) subjecting the suspension...
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WO/2012/120073A1 |
The present invention is directed towards a method for spinning neutral or anionically modified cellulose comprising the steps of: (a) preparing a suspension of the neutral or anionically modified cellulose in a continuous phase; (b) sub...
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WO/2012/115115A1 |
The present invention pertains to a cellulose fiber in which some of the hydroxyl groups of the cellulose are substituted with carboxyl and/or formyl in an amount of 0.1mmol/g or more relative to the weight of the cellulose fiber and are...
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WO/2012/108390A1 |
Provided is a method of manufacturing cellulose fiber with excellent spinnability. After obtaining a raw material solution (S) by dissolving a cellulose feedstock in an ionic liquid comprising an imidazolium compound, the raw material so...
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WO/2012/107643A2 |
Method for fabricating fiber and film products and composites comprises: - introducing an aqueous gel of nanofibrillar cellulose (NFC) into a volume of organic extraction agent miscible with water so that the aqueous gel is kept as a sep...
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WO/2012/107642A1 |
The invention relates to a method for processing an aqueous gel of nanofibrillar cellulose (NFC) by removing water from the aqueous gel by means of an organic solvent miscible with water. In the method: - aqueous gel is introduced into a...
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WO/2012/083318A1 |
The invention relates to a flame-retardant cellulosic man-made fiber, containing a flame-retardant substance in the form of an oxidized condensate from a tetrakis(hydroxyalkyl) phosphonium salt having ammonia and/or a compound containing...
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WO/2012/088507A2 |
Fibers and fabrics with improved anti-microbial activity in after laundering, and a method of producing the same, are described. One embodiment includes a method for generating a synthetic fiber, the method comprising creating a mixture,...
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WO/2012/074019A1 |
The present invention relates to: purified cellulose fibers which have an initial elastic modulus of 2.30 cN/dtex or more in regions each having an elongation of 0.5-0.7% and are produced by the wet-spinning or dry-spinning of a cellulos...
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WO/2012/058962A1 |
Disclosed are an antimicrobial fiber, fabric and wound dressing containing nano metal and preparation method thereof. Nano metal particles are uniformly distributed within the structure and on the surface of the fiber, and the inside of ...
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WO/2012/057684A1 |
There is disclosed a process for the derivatization of cellulose comprising the sequential steps: a) mixing cellulose with a viscosity below 900 ml/g with an aqueous solution to obtain a liquid, wherein particles comprising cellulose in ...
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WO/2012/026373A1 |
Provided is a hollow fiber type reverse osmosis membrane which can achieve high-level water penetration performance and high-level removal performance at low running cost in the separation of a solid or the separation of a solute from a ...
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WO/2012/017034A1 |
A cord, in particular for reinforcing tyres, containing a cellulosic multifilament yarn, characterized in that the cellulosic multifilament yarn has a strength of at least 35 cN/tex and the individual filaments of the multifilament yarn ...
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WO/2012/012813A1 |
The present invention relates to a cellulosic regenerated fibre which contains an incorporated luminous pigment and an incorporated colour pigment and the use of these for the production of yarns, textile fabrics and an article of reflec...
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WO/2012/008401A1 |
The present invention provides a purified cellulose fiber production process which can produce a regenerated cellulose fiber having the same level of strength as that of rayon using an ionic liquid having high thermal stability without p...
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WO/2012/004583A1 |
The present invention provides a process for producing cellulose shaped articles in which a) cellulose is at least partly dissolved at a temperature of about 100°C or lower in a dope comprising an ionic liquid and a cosolvent to form a ...
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WO/2012/002729A2 |
The present invention relates to a dope for spinning lyocell, comprising cotton linter pulp and an aqueous solution of N-methylmorpholine-N-oxide (NMMO), to a method for preparing a lyocell filament fiber using the dope, to a lyocell fil...
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WO/2011/154370A1 |
Process for reusing an ionic liquid, wherein a) after use of the ionic liquid, a composition comprising the used ionic liquid and other constituents is obtained, b) optionally, this composition is worked up to increase the content of the...
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WO/2011/154134A1 |
In a process for producing a product, more particularly formed articles, from a foundational substance in a device (2) for mixing the foundational substance with a solvent, wherein the foundational substance to produce a formable solutio...
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WO/2011/140643A1 |
Cellulose nanofilaments from cellulose fibers, a method and a device to produce them are disclosed. The nanofilaments are fine filaments with widths in the sub-micron range and lengths up to a couple of millimeters. These nanofilaments a...
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WO/2011/137470A1 |
The objective of this invention is to enable the production of coloured shaped flame retardant cellulosic articles such as fibres and to use them to produce fabrics and similar items simply and at lower cost than if they were coloured by...
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WO/2011/128322A2 |
A method for the spinning of a fibre comprising cellulose nano-fibrils being aligned along the main axis of the fibre from a lyotropic suspension of cellulose nano-fibrils, said nano-fibril alignment being achieved through extension of t...
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WO/2011/124387A1 |
In a process for producing a product, in particular moulded bodies, from a base substance in a device (2) for mixing the base substance with a solvent, wherein the base substance for producing a moulding solution is mixed with the solven...
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WO/2011/118746A1 |
Provided is a method for producing a highly concentrated cellulose nanofiber dispersion liquid with outstanding fluidity and transparency, with low energy and high efficiency. Specifically, in the presence of (1) an N-oxyl compound and (...
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WO/2011/117111A1 |
The present invention relates to the use of a cellulose fiber comprising a chitosan and/or a chitosan salt in incorporated form and/or a chitosan and/or a chitosan salt on the surface for production of an article which, in use, is in con...
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WO/2011/108461A1 |
Disclosed are cellulose nanofibers which have an average polymerization degree of 600-30,000 (inclusive), an aspect ratio of 20-10,000 and an average diameter of 1-800 nm, while having an X-ray diffraction pattern with a Iβ-type crystal...
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WO/2011/100777A1 |
The invention relates to a mixture for producing a fiber or a molded part, said mixture containing at least one polymer solution, in particular a cellulose solution, and an adsorbing agent, wherein said mixture comprises a removable resi...
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WO/2011/096529A1 |
Disclosed is a cationised novel microfibrillated plant fibre and a manufacturing method for the same. The cationised microfibrillated plant fibre is cationised using a compound containing a quaternary ammonium group, and the average fibr...
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WO/2011/079331A1 |
The invention relates to a molded cellulose body which contains a functional substance having low impregnation efficiency, to the use thereof and to a method for introducing functional substances of low impregnation efficiency into a mol...
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WO/2011/080826A1 |
Disclosed is a flameproof rayon fiber which contains a silicon component and a sodium component therein and which, when burnt at 800°C, forms a vitreous residue that has a property of softening at 800°C. Further, the flameproof rayon f...
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WO/2011/048420A1 |
The present invention concerns a biodegradable fibre comprising composite filaments of cellulose and cellulose acetate, and a process for making such a fibre comprising providing a solution dope comprising a blend of cellulose and cellul...
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WO/2011/048609A2 |
The present invention provides a process for producing low fibrillating cellulose fibers by a dry-jet- wet spinning process wherein cellulose is treated with a solvent containing imidazolium ionic salt in a spinneret maintained at a temp...
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WO/2011/048397A1 |
The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, and a process for making such a filter tow comprising providing a solution dope comprising a blend of ...
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WO/2011/045673A1 |
The present invention relates to flame-retardant Lyocell fibers which include incorporated inorganic additives which are particularly suited for use in flame barriers for articles of manufacture, such as mattresses and upholstered furnit...
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WO/2011/038568A1 |
A solvent spun bamboo fiber with a high wet modulus and a producing method thereof are disclosed. The producing method includes: activating by adding a bamboo pulp into deionized water, adjusting the pH value, adding cellulase and adjust...
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WO/2011/032191A1 |
The present invention relates to a cellulosic regenerated fiber, which contains a pigment that is spun in and a fluorescent dye that is applied by overdying, the use thereof to produce yarns and sheet materials, and a method for producin...
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WO/2011/026159A1 |
The invention relates to a fire-retardant regenerated cellulose fiber for textile uses which also satisfy the requirements for industrial laundry, for example. The invention further relates to the use of said fiber for producing yarns an...
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WO/2011/026160A1 |
The invention relates to cellulose fibres having an improved dosing ability, to a method for the production thereof and to the use thereof for reinforcing composite materials, in particular thermoplastic polymers.
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WO/2011/022740A1 |
The invention relates to carboxyethyl cellulose fibers, to a method for producing the same and to their use for wound treatment, especially in wound dressings, in other products for medical applications such as swabs, bandages and the li...
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WO/2011/012423A1 |
The present invention relates to a regenerated cellulose staple fibre selected from the group consisting of a) standard viscose fibres and b) bulky flat fibres whose cross section has a ratio of width W to thickness T of W:T < 5, prefera...
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WO/2011/012422A1 |
The invention relates to the use of a regenerated cellulose fibre into which carboxymethylcellulose has been incorporated in a flame-retardant product.
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WO/2011/012424A1 |
The invention relates to regenerated cellulose fibre characterized by the combination of the following properties:- the fibre in the dry state has a collapsed hollow cross-sectional structure; - the fibre in the wet state has a cross-sec...
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WO/2010/146873A1 |
Disclosed is a process for producing amylase-containing rayon fibers, which comprises a step of mixing an aqueous alkaline solution of an amylose with viscose to prepare a mixed solution and a step of spinning the mixed solution to produ...
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WO/2010/144925A1 |
The present invention relates to UV protective fabrics, whereupon these fabrics are made of UV protective cellulosic fibres, namely manufactured by the Modal or the Lyocell process. Besides the permanent and inherent protection against U...
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WO/2010/146875A1 |
Disclosed is a process for producing amylase-containing rayon fibers, which comprises a step of mixing an aqueous alkaline solution of an amylose with viscose to prepare a mixed solution, and a step of spinning the mixed solution to prod...
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WO/2010/143722A1 |
Disclosed is a cellulose fiber which enables the production of a cellulose complex having high transparency, a low linear expansion coefficient and a high elastic modulus. Specifically disclosed are: a process for producing a modified ce...
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WO/2010/133708A1 |
The fireproof viscose is obtained by adding silica to the viscose and subsequently fixing the silica to the fibre, such that the final fireproof fibre includes regenerated cellulose and a silicic polymer that confers fireproof properties...
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