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JP2022180307A |
To provide an optical film that comprises a resin composition having excellent phase difference characteristics and wavelength dispersion characteristics, the film being free of whitening at high temperatures and high humidity.A cellulos...
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JP2022171163A |
To provide a thermoplastic resin composition which suppresses coloring of a thermoplastic resin composition and which is excellent in mechanical properties relative to prior ones, and to provide an acylated plant fiber composition includ...
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JP2022171672A |
To provide a cellulose acetate having excellent biodegradability in sea water.A cellulose acetate is such that: an acetyl total substitution degree is 2.7 or less; a ratio τ of the sum of an acetyl substitution degree at the 2-position ...
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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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JP2022545533A |
The present application discloses 2-ethylhexanoyl substitutions with desirable mechanical properties that allow cellulose esters to be stretched into larger and thinner films while still maintaining their optical properties. Disclosed ar...
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JP2022164312A |
To provide a sheet having high surface smoothness.A sheet contains a fibrous cellulose having a fiber width of 1,000 nm or less and a resin, wherein the fibrous cellulose has an anionic group, a content of the anionic group is 0.50 mmol/...
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JP2022545133A |
Exemplary biodegradable tubular members and methods of making biodegradable tubular members are described. A biodegradable article includes an elongated tubular member. The elongated tubular member contains one or more cellulose esters a...
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JP2022544070A |
The present invention describes a method of treating cellulosic materials with compositions comprising hemicellulose and/or lignin and sucrose fatty acid esters to modify the barrier function of such materials. Disclosed methods use hemi...
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JP2022157193A |
To provide a microfibrous cellulose that is less prone to discoloration even under a high-temperature environment.This invention relates to a fibrous cellulose that has a fiber width of 1000 nm or less and includes a substituent represen...
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JP2022157194A |
To provide a microfibrous cellulose that is less prone to discoloration even under a high-temperature environment.This invention relates to a fibrous cellulose that has a fiber width of 1000 nm or less and includes a substituent represen...
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JP2022152279A |
To provide a manufacturing method of a micro-fiber cellulose with an improved modification rate in modification treatment, and a manufacturing method of a micro-fiber cellulose composite resin, and a micro-fiber cellulose.The problem is ...
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JP7150603B2 |
Provided is method for evaluating a cellulose nanofiber (CNF) dispersion, the method including: (1) a step of preparing 1.0 mass% of a CNF aqueous dispersion; (2) a step of adding a coloring material into the CNF aqueous solution and sti...
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JP7149885B2 |
An object of the present invention is to provide fine particles containing a semi-synthetic polymer of a cellulose derivative and excellent in tactile sensation.Solution to ProblemCellulose derivative particles including an alkoxy group ...
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JP7143055B2 |
The purpose of the present invention is to provide a cellulose acetate which can be used to obtain an optical film containing a very small amount of bright-spot foreign matter, with superior production efficiency, even when a raw materia...
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JP2022128430A |
To provide a method for producing an esterified cellulose nanofiber and a resin composition which enable production of a resin composition that enables formation of a molding having good and stable appearance and physical properties with...
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JP7128368B2 |
An object of the present invention is to provide a cellulose acetate with excellent biodegradability in seawater.A cellulose acetate having a total degree of acetyl substitution of not greater than 2.7, a ratio τ of a sum of a degree of...
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JP7126950B2 |
The present invention provides a method for the production of chemically derivatized nanocellulose, comprising the step of a. contacting a precursor cellulosic material with a chemically derivatizing composition to form a liquid reaction...
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JP7118639B2 |
To provide a modified cellulose fiber easy to satisfactorily disperse in a dispersion liquid and capable of stably forming a porous film, a dispersion liquid containing the modified cellulose fiber, a porous film formed using the dispers...
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JP7114942B2 |
A resin composition containing a cellulose acylate (A) having, in a side chain, a group having a hydrocarbon chain with 5 or more carbon atoms; a polyester resin (B); and an ester compound (C) having a molecular weight of about 250 or mo...
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JP7093256B2 |
The purpose of the present invention is to provide a cellulose acetate which contains a sufficiently small amount of a substance that causes coloring, thereby having an excellent hue. A cellulose acetate which contains a compound represe...
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JP2022073291A |
To provide a material that makes it possible to produce a gas separation membrane having gas permeability and gas selectivity (gas separability) in a good balance.A modified polysaccharide includes a polysaccharide skeleton, and a struct...
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JP2022048766A |
To provide a dehydration aid having excellent performance to reduce the water content of a sludge and a method for producing the same and to provide a sludge dehydration method.There are provided: a dehydration aid which contains (1) a p...
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JP2022044884A |
To provide an acetic acid recovering method that can reduce the loss of acetic acid for an improved recovery rate and has superior vapor saving effect.The present invention discloses an acetic acid recovering method for recovering acetic...
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JP2022044883A |
To provide an acetic acid recovering method that has superior vapor saving effect or productivity improving effect.An acetic acid recovering method includes: a step (1) in which an aqueous acetic acid solution in which cellulose acetate ...
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JP2022034121A |
To provide a method of estimating physical properties of a cellulose derivative, and a method of producing a cellulose derivative having specific physical properties.A method of estimating physical properties [Z] of a cellulose derivativ...
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JP7023197B2 |
There is provided a method for producing hypromellose acetate succinate (HPMCAS), the method not requiring any special device and facilitating removal of impurities. More specifically, there is provided a method for producing HPMCAS, inc...
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JP2022030446A |
To provide a method of producing dicarboxylic acid monoesterification modified cellulose nanofibers (CNFs) using a protic amide-based solvent, and an assembly of dicarboxylic acid monoesterification modified CNFs whose main constituent i...
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JP2021183684A |
To provide a resin particle capable of suppressing a phenomenon that a component is precipitated under high-temperature.A resin particle comprises: cellulose acylate (A) having at least one kind of an aldehyde group and an aliphatic acyl...
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JP2021179047A |
To provide an aggregate of cellulose nanofibers predominantly composed of acylated single cellulose nanofibers with a fiber diameter of 3-10 nm and a method for producing the same.The present invention discloses an aggregate of cellulose...
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JP2021169577A |
To provide a dried cellulose fiber that prevents formation of an aggregate to cause defects such as black points when mixed with resin, reduces the frequency of replacement of screen mesh during molding, offering high productivity, and c...
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JP2021169579A |
To provide a dried cellulose fiber that is finely dispersed in resin to give a high-rigidity resin composite and also has excellent handleability and a method for producing the same, and a resin composite containing the dried cellulose f...
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JP2021169578A |
To provide a method for producing a dried cellulose fiber that is finely dispersed in resin to give a high-rigidity resin composite and also has excellent handleability, and a method for producing a resin composite that includes preparin...
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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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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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JP6947037B2 |
A cellulose resin wherein: hydrogen atoms in hydroxy groups of a cellulose are substituted by a long chain component that is a linear saturated aliphatic acyl group having 14 or more carbon atoms and by a short chain component that is an...
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JP2021161320A |
To provide a cellulose acetate production method for making it possible to easily reduce a production time of cellulose acetate at a desired total degree of acetyl substitution.The cellulose acetate production method comprises solvolysis...
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JP2021155545A |
To provide a fibrous cellulose having high reinforcing effect of a resin, a fibrous cellulose composite resin having high intensity, and a method for producing the fibrous cellulose having the high reinforcing effect of the resin.A fibro...
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JP2021155738A |
To provide an agent for preventing scattering of dust that is effective in preventing scattering of dust.An agent for preventing scattering of dust has a solvent, and fibrous cellulose with a fiber width of 1000 nm or less. There is also...
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JP2021155544A |
To provide a fibrous cellulose having high reinforcing effect of a resin, a fibrous cellulose composite resin having high intensity, and a method for producing the fibrous cellulose having the high reinforcing effect of the resin.A fibro...
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JP2021127460A |
To provide a nanofiber having improved heat stability and dispersibility in resin and rubber, in order to make the most of beneficial properties of xanthate-based cellulose nanofiber.The present disclosure provides a dithioester-based ce...
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JP2021115561A |
To provide a valuable metal adsorbent that has high adsorption power per unit amount, and can selectively adsorb and recover a valuable metal.A valuable metal adsorbent contains a cellulose derivative that has a repeating unit represente...
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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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JP6909933B2 |
An object of the present invention is to provide a cellulose acetate composition for thermoforming with excellent biodegradability and excellent thermoformability. A cellulose acetate composition for thermoforming containing a cellulose ...
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JP6908957B2 |
To provide a method for producing a cellulose nanofiber (CNF) dispersion liquid that allows the average fiber width and average fiber length of the CNF in the CNF dispersion liquid to be shortened with a few number of passes, and the res...
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JP6905268B2 |
Provided are NCC-based materials, as superb barrier materials for preventing oxygen and humidity from penetrating therethrough.
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JP6898173B2 |
To provide cellulose acetate having a small number of foreign substances.A method for producing cellulose acetate includes: (a) a step of reacting raw material cellulose with acetic acid anhydride in the presence of an acid catalyst and ...
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JP6896997B2 |
A resin composition includes cellulose nanofibers (A) and a cellulose ester resin (B) having a polymerization degree of 100 to 500 and a substitution degree of 2.1 to 2.6.
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JP6895180B2 |
The present invention relates to a method for manufacturing nanocellulose comprising the steps of: a) providing a cellulose-containing material wherein the cellulose-containing material contains less than 20 wt. % water, b) contacting th...
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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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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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