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JP2023025708A |
To provide type II unmodified cellulose microfibers that are obtained through mercerization of cellulose and have type II crystal structure, and a method for manufacturing type II unmodified cellulose microfibers and a compact of the sam...
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JP7212732B1 |
Kind Code: A1 A method for producing cellulose fine fibers through mercerization of cellulose, which is capable of producing type II unmodified cellulose fine fibers capable of efficiently obtaining chemically unmodified cellulose fine f...
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JP7199763B2 |
The present invention provides: cellulose particles which are suppressed in acetic acid odor; and a method for producing cellulose particles, by which the above-described cellulose particles are able to be easily produced at low cost. ...
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JP7191313B2 |
To provide methods for hydrolyzing plant biomass using a carbon catalyst which allows the production of cellooligosaccharide comprising oligomers of which glucose polymerization degree (G) is 3 or more with high yield and high selectivit...
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JP2022183189A |
To provide a method for producing a spinning dope composition, and an apparatus directed to production of a spinning dope composition.There is provided a method for producing a spinning dope composition, which comprises: a homogenization...
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JP7177633B2 |
To provide a nucleator which has small environmental load and promotes crystallization of a polymer.A nucleator is made of cellulose, and a degree of crystallization of the cellulose is 50% or more. A nucleator is made of cellulose aceta...
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JP2022171601A |
To provide a method for controlling freeze-drying and reconstitution of a hydrogel comprising nanoscale cellulose.The present disclosure relates to a method for controlling freeze-drying of a hydrogel, where the method comprises adjustin...
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JP7162292B2 |
An object of the present invention is to provide cellulose acetate that has excellent compatibility with a resin, can reinforce a resin, and has excellent thermal stability. An embodiment of the present invention is cellulose acetate hav...
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JP7154798B2 |
To provide a complex that can improve the strength of a resin composition, by hydrophobizing cellulose, by a new method, different from the conventional one of substituting a hydroxy group of the cellulose with a hydrophobic substituent....
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JP7152315B2 |
The present invention describes a method for the production of a spinning dope composition, said method comprising a homogenization involving vigorous mixing of a cellulosic pulp material in alkali solution and thereafter a dissolution i...
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JP7149332B2 |
The invention proposes a method of separating hemicellulose through efficient pretreatment of fibrous biomass materials. Fibrous biomass materials are first pretreated by the slurry method: the fibrous biomass materials are milled throug...
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JP2022134874A |
To provide an enzyme derived from koji mold for oxidatively decomposing cellulose, and a method for producing nanocellulose by using the same.The present invention discloses an enzyme for oxidatively decomposing cellulose, a polynucleoti...
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JP7118701B2 |
To provide a complex that can improve the strength of a resin composition, by hydrophobizing cellulose, by a new method, different from the conventional one of substituting a hydroxy group of the cellulose with a hydrophobic substituent....
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JP7108727B1 |
To provide a resin composite having a high tensile elastic modulus and a high tensile strength and further having an excellent balance with tensile elongation. The resin composite contains a resin and a cellulose fiber, and the resin com...
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JP2022088343A |
To provide a production method in which a cellulose particle having a high degree of sphericity can easily be produced, and to provide a cellulose particle having high sphericity and small pore volume.Provided are [1] a method for produc...
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JP7079633B2 |
Provided is a method for producing cellulose nanofibers by refining pulp fibers, wherein the method enables obtaining cellulose nanofibers in which a decrease in a molecular weight of cellulose is suppressed, and which can demonstrate su...
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JP7068891B2 |
To provide a complex that can improve the strength of a resin composition, by hydrophobizing cellulose, by a new method, different from the conventional one of substituting a hydroxy group of the cellulose with a hydrophobic substituent....
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JP2022525002A |
The present invention is (1) a step of reacting a cellulose raw material with an alkalizing agent to obtain alkalized cellulose; (2) a step of reacting the alkalized cellulose with a carboxymethyl agent to obtain carboxymethyl cellulose;...
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JP2022028316A |
To suppress of agglomeration of CNF, with respect to a container used for cooling, a dry system provided with the container, and a method of manufacturing a dry matter of cellulose nanofiber.There are provided a body part 100 for interna...
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JP7006375B2 |
It is an object of the present invention to provide a thickener capable of exhibiting excellent light resistance. The present invention relates to a thickener comprising cellulose fibers having a fiber width of 8 nm or less and water, wh...
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JP2022508071A |
Methods of processing a fibrous cellulosic material from algae, including: (i) suspending the fibrous cellulosic material in water to form a suspension; and (ii) the suspension. High shear force to pass through at least one chamber with ...
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JP2022001631A |
To provide a manufacturing method of a dry powder of a cellulose fiber showing excellent redispersibility, and a manufacturing method of a resin composite containing using the dry powder prepared by the method.A method for manufacturing ...
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JP2021184743A |
To provide methods for treating cellulosic biomass to produce cellulosic sugars.A two-step method for activating cellulosic feedstock is described. The feedstock is subjected to a first high-temperature activation step at a temperature h...
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JP6977471B2 |
To easily produce polysaccharide products having improved solubility, viscosity characteristics, gel texture, and the like.The method for producing a polysaccharide product comprises: a mixing step of mixing a composition containing a te...
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JP2021147510A |
To provide a biomass material treatment agent that does not damage a cell membrane and can loosen the structure of a cellulose aggregate at low concentration.A biomass material treatment agent has a polypeptide having, in at least some o...
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JP6937305B2 |
The invention relates to a method for producing paper, board or the like. The method comprises obtaining a thick stock comprising cellulose fibres, forming a fibrous web and drying of drying the fibrous web. A strength agent system, whic...
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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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JP2021105172A |
To provide a cellulose powder that makes it possible to obtain a tablet having a high recovery rate of an active pharmaceutical ingredient while maintaining excellent collapsibility, and to provide a tablet and a tablet production method...
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JP6905318B2 |
To provide a cellulose nanofiber production device capable of producing cellulose nanofiber with saved energy, and a method for producing cellulose nanofiber.Provided is a cellulose nanofiber production device comprising: a chemical trea...
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JP6898093B2 |
To provide a method for producing a cellulose mixture that yields highly water-soluble cellulose derivatives with high selectivity when used as raw materials for the production of cellulose derivatives.A method for producing a cellulose ...
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JP2021066779A |
To provide a fine cellulose fiber which is hard to form an aggregate and has a good physical property improving effect to a resin composite body.There are provided a fine cellulose fiber in which when a dispersion liquid for test contain...
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JP2021063193A |
To provide a method for producing a composite material having excellent physical properties.A method for producing a cellulose nanofiber includes following steps, in this order: of subjecting cellulose raw material to hydrothermal treatm...
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JP6839511B2 |
To provide a cellulose nanofiber production device in which the frequency of mechanical refining treatment is reduced, and cellulose nanofiber can be produce with saved energy, and a method for producing cellulose nanofiber.Provided is a...
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JP6818985B2 |
The process is carried out at relatively low temperatures, and requires little input of mechanical energy.
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JPWO2019194085A1 |
The present invention is a cellulose complex composed of cellulose and a polysaccharide, and Bragg spacing by X-ray small angle scattering (SAXS) analysis of a precipitate obtained by centrifuging a 0.1% by mass aqueous dispersion of the...
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JP6783309B2 |
A process for reducing the overall energy consumption in the production of nanocellulose dispersions from a base cellulosic material wherein said process comprises an intermediate step reducing the overall energy consumption by at least ...
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JP6779505B2 |
The present invention provides a method of manufacturing a cellooligosaccharide containing an oligomer having a degree of polymerization of from 3 to 6, the method comprising performing a reaction involving heating and hydrolyzing plant ...
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JP2020165061A |
To provide a dissolved pulp-made sheet useful for a raw material for production of viscose rayon and cellulose derivatives, especially, a dissolved pulp-made sheet for producing a viscose solution having excellent filterability.The disso...
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JP2020165060A |
To provide a soluble pulp sheet useful as raw material for the production of viscose rayon and cellulose derivatives, the soluble pulp sheet particularly excellent in filterability of viscose solution.A soluble pulp sheet has an α cellu...
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JP6751491B1 |
The present invention contains a cellulose powder containing 32% by mass or more and 44% by mass or less of an alkali-soluble substance dissolved in a 17.5% by mass aqueous sodium hydroxide solution with respect to the total mass of the ...
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JP2020132826A |
To provide a cellulose nanofiber that can be uniformly and stably dispersed in water, and to provide a use thereof.Provided is a hydrolyzed bacterial cellulose fiber obtained by hydrolyzing a bacterial cellulose fiber produced by cellulo...
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JP6748115B2 |
A method of producing bleached microcrystalline cellulose which method comprises neutralizing or alkalizing an acidic microcrystalline production reaction mixture slurry, typically produced by acid hydrolysis or by electronic beam irradi...
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JP6725908B2 |
To provide a material capable of being used as a scaffold material for tissue engineering and a medical material such as a carrier for a drug delivery system and capable of existing stably in organism by suppressing biodegradation effici...
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JP6688438B1 |
Provided is a resin complex having high mechanical characteristics that can withstand molding and use in members for in-vehicle use, electrical material use, and the like. A resin composite containing 0.5 to 40% by mass of chemically mod...
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JP2020512488A |
The present disclosure relates to cellulose nanomaterials made from or derived from tobacco and methods for their production. Tobacco-derived cellulose nanomaterials can be used in a variety of industrial applications, such as film formi...
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JP2020037624A |
To obtain cellulose from plant material by a simple process without using an alkaline solution.The cellulose extraction method includes: a heating process of heating plant material at a temperature of 160-180°C in the presence of a hydr...
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JPWO2018186222A1 |
The present invention provides a porous cellulose bead with a good transmission observation image and a pore characteristic that expresses a high adsorption amount and has less nonspecific adsorption by a simple method with less toxicity...
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JP6632545B2 |
The invention relates a method for producing a suspension of microfibrillated cellulose. The method comprises at least the steps of obtaining an aqueous suspension of natural cellulose fibres, adding an additive consisting of at least on...
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JP2020500253A |
A method for producing special fibers by activating pulp in an aqueous alkaline medium and then reacting it with a water-soluble polyfunctional reagent capable of cross-linking adjacent cellulose chains within a single fiber. The resulti...
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JP2019536861A |
An object of the present invention is a method for producing non-surface modified nanocellulose particles, particularly in the form of powder, i. A suspension of non-surface modified nanocellulose particles that has never been dried. The...
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