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JP2022012957A |
To provide a manufacturing method of a biodegradable rayon fiber with less decrease in hardness property and high biodegradability, and a fiber structure using the same.A biodegradable rayon fiber includes a regenerated cellulose and a n...
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JP2022503988A |
Drying and enhancement of wet toughness of regenerated cellulose fibers can be accomplished by the addition of (but not limited to) aldaric acid such as glucaric acid. In some embodiments, regenerated cellulose fibers containing aldaric ...
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JP6989048B2 |
A hollow fiber membrane that is a hollow fiber type semipermeable membrane, wherein a Raman value is 70% or more, and the Raman value is a ratio of a minimum value to a maximum value of peak intensities, which are intensities of maximum ...
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JP6979580B2 |
To provide a rayon fiber for an air-laid nonwoven fabric that has high interlacing properties and suppresses the occurrence of nep and is capable of providing an air-laid nonwoven fabric with good water-disintegrable properties and a met...
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JP2021186748A |
To provide a separation film and the like which comprise high separation performance and permeation performance.A separation film is primarily composed of cellulose ester and has a plurality of voids, where a ratio (a) of total areas of ...
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JP2021533280A |
The present invention relates to a nonwoven fabric (100, 101), a wipe (200) containing the nonwoven fabric (100, 101), a face mask (300), and a dryer sheet (400). The nonwoven fabric contains a mesh structure (1) of a molded body (2). No...
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JP6970678B2 |
Nonwoven webs comprising a water insoluble α-(1,3→glucan) polymer and methods of forming the nonwoven webs are disclosed. The water insoluble α-(1,3→glucan) polymer comprises 90% or greater α-1,3-glycosidic linkages, less than 1% ...
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JP6967219B2 |
To provide a far-infrared radiation fiber in which: particles, made up of a far-infrared radiation material with improved heat build-up properties, are dispersed in a polymer elemental wire, and a method of producing the same.The present...
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JP6960859B2 |
The present invention relates to a method for manufacturing thermally stabilized, non-sticky and stretchable fibers, which may be further processed into intermediate carbon fibers and finally also carbon fibers. Uses of said fibers are a...
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JP2021529862A |
Artificial derivatives of natural lignin are disclosed and have specific viscoelasticity metrics that selectively facilitate the processing of these lignin derivatives into specific final products. Such lignin derivatives have a minimum ...
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JP6952539B2 |
Provided are: a cellulose nanofiber liquid dispersion containing 0.01-30 wt% of a chemically-modified cellulose, 0.01-20 wt% of a surfactant, and 50-99.8 wt% of a dispersion solvent, wherein the chemically-modified cellulose is a fine po...
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JP2021165439A |
To provide a high molecular weight polymer solution suitable for fiber shaping even in a combination of a hardly soluble high molecular weight polymer and an organic solvent, and a method of manufacturing fibers capable of obtaining the ...
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JP2021165333A |
To provide a cellulose triacetate which can be dissolved in acetone up to a concentration allowing spinning without requiring ultra-low temperature, with excellent stability of the viscosity of the spinning solution.The cellulose acetate...
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JP6948630B2 |
To provide a fiber material that is excellent in workability of a composite material using cellulose nanofiber and a method of producing the same.A method for producing a fiber material includes: a mixture step (S10) for mixing cellulose...
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JP2021526598A |
The present invention relates to a non-woven fiber aggregate and a mask pack sheet using the same, and specifically, has excellent bending characteristics for industrial material applications, and has a good feel and softness for clothin...
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JP2021152240A |
To provide a method and arrangement for producing nanofiber cellulose by refining lignocellulose-containing fiber material and separating nanofibers, in which an amount of energy used for refining is suppressed.A method includes the step...
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JP2021134470A |
To provide a regenerated cellulose fiber in which a yield of a host compound having an inclusion function in the fiber is improved, a method for producing the same, and a fiber structure including the same.There is provided a regenerated...
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JP6931786B2 |
The present invention relates to fibrillated lyocell fibers which have a fibrillation quotient Q of 20 or more and whose content of microfibers with a fineness of less than 14 mesh and a diameter of less than 2 μm is at least 50%, as we...
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JP2021522421A |
An antibacterial composite containing at least 10% hemp oil and a polymer, wherein the hemp oil contains a CBD at a concentration of at least 10 mg / ml, and the antibacterial composite is the hemp oil and the said. Formed by the process...
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JP2021121674A |
To provide a fine fibrous cellulose inclusion having a phosphate group, capable of increasing solution viscosity when made into a slurry and capable of improving fine particle dispersibility.The invention relates to a fine fibrous cellul...
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JP6922744B2 |
To provide a hollow fiber reverse osmosis membrane with which a high level of permeability and removal performance is achieved, at a low cost of operation, when separating solids or separating solutes from a liquid mixture. A hollow fibe...
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JP6922499B2 |
The problem to be solved by the present invention is to provide a separation film mainly comprising a cellulose-based resin having high permeability. The present invention pertains to a separation film containing a cellulose ester, where...
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JP2021116518A |
To provide a microfibrous cellulose/micro inorganic laminar compound-containing material having excellent particle dispersion properties.The present invention relates to a method for producing a microfibrous cellulose/micro inorganic lam...
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JP2021116519A |
To provide a microfibrous cellulose/micro inorganic laminar compound-containing material having excellent particle dispersion properties.The present invention relates to a method for producing a microfibrous cellulose/micro inorganic lam...
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JP2021109942A |
To provide a composite material using a non-edible biomass raw material and yet being excellent in physical characteristics.A thermoplastic resin composition is provided, including cellulose acetate as a polymer material containing non-e...
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JP2021105240A |
To provide a fiber containing an identification fiber capable of being used for tracing and tracking back fibers, yarns including fibers, fiber bands and/or articles through at least a part of a supply chain.Each identification fiber sho...
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JP6905039B2 |
Provided is a method of producing fine cellulose fibers that are nanosized, that have a high crystallinity degree, and that are less vulnerable to fiber shape damage, the method including impregnating cellulose with a fibrillation soluti...
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JP2021517213A |
The present invention relates to cellulose fibers of lyocells. The fibers according to the invention have the following properties: a) 5% by weight or more hemicellulose content, b) Hoeller factor F1 and F2: Hoeller factor F1 0.7 + x and...
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JP6898487B2 |
To provide a composition used for biological and chemical separation and used in other applications as a whole, and more specifically, to provide a hybrid felt made of electro-spun nanofibers having high transmittance and high capacity.M...
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JP6894681B2 |
Modified cellulose fibers, wherein each of (A) one or more substituents selected from substituents represented by the following general formula (1) and substituents represented by the following general formula (2): -CH 2 -CH(OH)-R 1 (1);...
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JP6896328B2 |
To provide a semipermeable membrane with high chlorine resistance and high alkali resistance.A molded article comprises a cellulose ester in which the degree of substitution when X are acyl groups is 1.5-2.9, with 80 mol% or more of the ...
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JP2021515118A |
A sliver containing cellulose acetate staple fibers that exhibits good interfiber aggregation energy and can be successfully stretched into spun yarn is obtained. Such slivers should be made of cellulose acetate staple fibers that are ro...
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JP6882873B2 |
To provide a manufacturing apparatus capable of manufacturing cellulose nanofibers in an efficient and energy saving manner by reducing the number of mechanical processes and a method for manufacturing the cellulose nanofibers.A manufact...
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JP6876619B2 |
A method for producing a dry solid of cellulose nanofiber, the method comprising (A) preparing a dispersion in which cellulose nanofiber with an average fiber diameter of 2 to 500 nm is dispersed in a mixed solvent of water and a water-s...
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JP6873425B2 |
Disclosed herein is cellulose acetate fibers that have an excellent affinity for resins and is capable of reinforcing resins. The cellulose acetate fibers have a cellulose triacetate I crystal structure and a number-average fiber diamete...
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JP6869031B2 |
Disclosed are fibers comprising one or more branded fibers which exhibit surface markings in a repeated pattern along the length of the branded fibers. The branded fibers are incorporated into an acetate tow band to represent supply chai...
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JP2021511445A |
A method of reusing a blended fabric (110), the method is: i) at the stage of supplying the blended fabric (110) (52), the blended fabric (110) containing cellulose fibers and synthetic fibers. Synthetic fibers contain at least one synth...
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JP2021511447A |
A method for producing a regenerated cellulose molded product (102), the method being: i) a starting material containing cellulose and insoluble particles that are insoluble in the solvent used, especially in the lyocell and / or viscose...
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JP2021511446A |
A method for producing a cellulose regenerated molded product (102), which is a step (78) of supplying a starting material (110) which is produced by the lyocell method and contains cellulose, and is a starting material (110). By the ste...
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JP2021511448A |
A method for producing a cellulose-containing molded article (102), wherein the method is i) providing a starting material (110) containing cellulose and elastane, in particular the starting material (110). The elastane in it exists sepa...
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JP6864676B2 |
The present invention relates to a method for manufacturing precursor yarn comprising lignin, which may be further processed into intermediate carbon fibers and finally also carbon fibers. It also relates to carbon fibers and uses of sai...
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JP6861276B2 |
The present invention relates to a modified cellulosic fibre that comprises anionic moieties in an amount of more than 0.25mol/kg of dry fibre and has applied theron a polymeric modifying agent in an amount of from 0.5 wt.% to 5.0 wt.%, ...
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JP6861539B2 |
To provide a composition that uses a modified cellulose fiber and has viscosity-reducing properties.A composition contains an etherified cellulose fiber and an oily component, and the etherified cellulose fiber is an etherified cellulose...
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JP6856992B2 |
Modified cellulose fibers having an average fiber size of 1 nm or more and 500 nm or less, wherein one or more substituents selected from substituents represented by the following general formulas (1) and (2): -CH 2 -CH(OH)-R 1 (1); -CH ...
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JP6858330B2 |
To provide an antiviral stock high in safety and biocompatibility and also excellent in virus inactivation effect.Polysaccharide nanofiber is made of an antiviral stock. Further, one or more kinds selected from the group consisting of an...
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JP6857562B2 |
To provide a chemically modified cellulose fiber having both of water dispersibility and organic solvent dispersibility, a cellulose I type crystal structure and excellent in mechanical strength.The chemically modified cellulose fiber is...
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JP2021055219A |
To provide regenerated cellulose fibers that have controlled release, stability, durability, and the like without impairing a functionality of an oily substance, a method of manufacturing the same, and a fiber structure containing the fi...
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JP6855250B2 |
Disclosed are fibers comprising identification fibers which can be used for tracking and tracing fibers, yarns, fiber bands, and/or articles comprising the fibers through at least part of the supply chain. Each identification fiber exhib...
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JP6851342B2 |
A cellulose acetate according to the present invention has a total degree of acetyl substitution of 0.4 to 1.1 and has a compositional distribution index (CDI) of 3.0 or less, where the CDI is specified by the formula: CDI = Measured val...
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JP6847102B2 |
The present invention relates to a method for manufacturing a shaped body comprising lignin which may be further processed into intermediate carbon fibers and finally also carbon fibers. Uses of said fibers are also disclosed. The presen...
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