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JP2024019292A |
The present invention provides hydroxypropyl methylcellulose acetate succinate having excellent fluidity. [Solution] Hydroxypropyl methylcellulose acetate in which the volume fraction of the spherical particles to the total particles is ...
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JP7427508B2 |
To provide an aggregate of a cellulose nanofiber involving an unmodified single cellulose nanofiber having a fiber diameter of 3-10 nm as a main component and a manufacturing method thereof.Disclosed is an aggregate of a cellulose nanofi...
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JP2024015192A |
The present invention provides hydroxypropyl methylcellulose phthalate (HPMCP) with excellent fluidity. [Solution] Hydroxypropyl methylcellulose phthalate in which the volume fraction of the spherical particles to the total particles is ...
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JP2024008887A |
The present invention provides a method for synthesizing a highly substituted modified polysaccharide under environmentally friendly and mild conditions. [Solution] A method for producing a modified polysaccharide in which a polysacchari...
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JP7417391B2 |
To provide a method of manufacturing esterified cellulose fiber at high yield by suppressing elution of high DS cellulose to a reaction liquid.One aspect of the present invention is a manufacturing method of esterified cellulose fibers, ...
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JP2024006021A |
[Problem] To provide an AAC-immobilized polysaccharide derivative and precursor containing CFG. [Solution] Azide-Alkyne Cycloaddition (AAC) immobilized polysaccharide derivative is a complex functional group (CFG) bonded to any or all of...
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JP7411852B1 |
[Problem] To provide an anion-modified cellulose nanofiber-containing powder that does not easily fluctuate in the time required for redispersion and has excellent dispersibility. [Solution] A powder containing anion-modified cellulose n...
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JP7406272B2 |
To provide a technique for producing a cellulose acetate composition having an excellent function for enlarging the application scope.There is provided a production system 10 which comprises a mixing vessel 11 for mixing a liquid plastic...
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JP7399060B2 |
There is provided a method for efficiently produce hydroxypropyl methyl cellulose acetate succinate (HPMCAS) having excellent flowability, where acetic acid in a reaction product mixture subjected to a wash and recovery step can be reduc...
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JP7399061B2 |
There is provided a method for efficiently produce hydroxypropyl methyl cellulose phthalate (HPMCP) having excellent flowability, where acetic acid in a reaction product mixture subjected to a wash and recovery step can be reduced. More ...
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JP7396976B2 |
An object of the present invention is to provide a method for producing an ultrafine fiber-containing sheet with suppressed yellowing. Another object of the present invention is to provide an efficient method for eliminating an introduce...
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JP2023174805A |
To provide favorable cellulose esters and the like.Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for producing the sam...
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JP7389660B2 |
To provide a method for producing a cellulose fine fiber which has a nano size, high crystallinity and less damage to a fiber shape in a shorter time than a conventional method by impregnating cellulose with a defibration solution to def...
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JP7385625B2 |
The purpose of one embodiment of the present disclosure is to provide: composite particles which contain fine cellulose and impart a molded body with physical property stability that is good enough for practical use, while imparting the ...
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JP7369222B2 |
Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in fi...
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JP7368928B2 |
The purpose of the present invention is to provide a cellulose acetate excellent in transparency, and a molded article of the cellulose acetate.In the cellulose acetate, an acetylation degree is 52% or more and 59% or less, and a content...
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JP7368119B2 |
To provide cellulose acetate flakes which have an excellent hue even if low-grade pulp is used.The cellulose acetate flakes comprise cellulose acetate in which the molar content of xylose based on the summed molar contents of xylose, man...
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JP7350570B2 |
To provide a modified cellulose nanofiber which can be produced simply and efficiently, has a high degree of crystallinity in a uniform nanosize, has less damage in a fiber shape, has a large aspect ratio, and has high water absorption.M...
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JP7340195B2 |
To provide a fine cellulose fiber that is excellent in handleability and can be suitably used as a resin reinforcement material, a method for producing the same, and a slurry and a composite body containing the fine cellulose fiber.A fin...
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JP7335929B2 |
[Problem] To provide a method for producing a cellulose-fiber-containing material, a method for producing reaction cellulose fibers, and a method for producing reaction microfibers which enable mass production. [Solution] A method for pr...
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JP7333903B2 |
Provided is a method for modifying at least one property of a solid film or coat including or consisting nanocrystalline cellulose (NCC).
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JP2023118755A |
To provide improved regioselectively substituted cellulose esters.The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making t...
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JP7331295B2 |
Composite particles each comprising a cellulose derivative particle and a coating film covering the surface of the particle. The coating film is constituted from a surface treatment compound which dissolves in water and/or organic solven...
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JP2023115644A |
To provide a cellulose particle that has high biodegradability and changes little in particle size due to water absorption.A cellulose particle contains 90 pts.mass or more and 99.5 pts.mass of cellulose, and 0.5 pt.mass or more and 10 p...
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JP2023112188A |
To provide a method that enables industrially efficient production of an esterified polysaccharide product.Provided is a method for producing the esterified polysaccharides, in which polysaccharide-containing biomass, a basic ionic liqui...
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JP7323887B2 |
An object of the present disclosure is to provide a cellulose acetate film having excellent bending properties and high transparency. The subject cellulose acetate film contains cellulose acetate having a cellulose triacetate I crystal s...
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JP7309158B2 |
Provided is a method that enables industrially efficient production of an esterified polysaccharide product. A method for producing an esterified polysaccharide product, the method including reacting a polysaccharide-containing biomass, ...
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JP7289962B2 |
To provide fine particles containing a semi-synthetic polymer of a cellulose derivative and having excellent tactile sensation.Cellulose derivative particles include an alkoxy group having 2 or more carbon atoms or an acyl group having 3...
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JP2023072351A |
To provide a method for producing a cellulose fine fiber which can fibrillate a cellulose raw material in a short time without any trouble such as clogging even in comparatively high solid concentration, and thereby can surely and effici...
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JP2023072691A |
To provide a cellulose fine fiber which can suppress decomposition of a resin upon compounding of a cellulose fine fiber and a resin while being derived from a plant, thereby is excellent in stability in long-term storage, can give a res...
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JP7274341B2 |
To provide a manufacturing apparatus and a manufacturing method of a chemically modified biomass nanofiber dispersion liquid, and a method for producing a chemically modified biomass nanofiber, which can simultaneously perform a chemical...
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JP2023060625A |
To provide an esterified cellulose nanofiber capable of evenly and finely dispersing in a resin while maintaining an excellent reinforcement effect inherent to a cellulose molecule, thanks to a substituent group evenly distributed, even ...
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JP7265754B2 |
To provide a method for producing polysaccharide derivative, that is advantageous in terms of environment and cost because it does not require the use of a reagent such as an acid catalyst, does not generate waste, and does not require b...
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JP7263099B2 |
To provide an energy-saving manufacturing method of a cellulose fiber composition and a chemically modified cellulose fiber composition having nano-size and high crystallinity and less fiber shape damage without needing high-power physic...
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JP2023055705A |
To provide cellulose fine fiber which gives fiber-reinforced resins superior strength, modulus, and fracture strain.In one case, in a measurement of an automatic fiber shape analyzer, (i) the length-weighted average fiber length of a fib...
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JP2023048168A |
To provide a production method of acylation-modified cellulose fine fiber by impregnating cellulose with a modification reaction solution, fibrillating the cellulose and simultaneously acylation-modifying the cellulose.In a production me...
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JP2023514211A |
The present application describes regioselectively substituted cellulose esters and component A: (I), (II), (III) or (IV) (wherein A, B, C, R1, R2, R5, R6, R8, R9, m, n and k are defined herein). The film exhibits negative birefringence ...
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JP2023513166A |
Disclosed herein are free-flowing, oil-absorbing, and water-repellent modified carbohydrates, wherein the modified carbohydrate is derivatized with one or more anionic moieties and esterified with octenylsuccinic anhydride. , and carbohy...
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JP2023037724A |
To provide a porous particle having a controlled three-dimensional network-shaped skeleton and a communication hole consisting of cavities of the skeleton, further in which the communication hole penetrates from a surface of the particle...
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JP7239524B2 |
Provided is a resin composite having high mechanical properties which make the resin composite moldable into and usable as members for use in applications such as vehicle-mounted members and electrical materials. The resin composite comp...
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JP7234132B2 |
The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are syn...
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JP2023508600A |
According to exemplary aspects of the present invention, a method of melt spinning cellulosic fibers with controlled molar mass and different side lengths and continuous melt spun cellulosic fibers thereof are provided.
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JP2023027646A |
To provide a novel method that can readily modify the surface of nano cellulose.The present invention provides a method for producing surface-modified nano cellulose by subjecting nano cellulose and carboxylic acid to mechanochemical tre...
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JP7225517B2 |
The present invention relates to a method for manufacturing hydrophobized nanocellulose comprising the steps of: a) providing a cellulose-containing material wherein the cellulose-containing material contains less than 20 wt. % water, b)...
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JP7223406B2 |
An object of the present invention is to provide a method for producing a polysaccharide derivative in which the use of a reagent such as an acid catalyst is not needed and a reaction can be smoothly progressed without causing any side r...
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JP7220512B2 |
A fibrous cellulose having an excellent resin reinforcing effect, a method for manufacturing the fibrous cellulose, and a resin composition having high strength. The fibrous cellulose is microfiber cellulose having an average fiber diame...
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JP7209914B1 |
Cellulose microfibers can be provided that provide fiber reinforced resins that are excellent in all of strength, modulus, and strain to failure. In one aspect, in measurement with an automatic fiber shape analyzer, (i) the length-weight...
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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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JP2023000328A |
To provide a modified cellulose fiber formed from a biodegradable component and useful as a reinforcing material for resin.A modified cellulose is prepared by modifying a cellulose fiber with 3-hydroxybutyric acid or an oligomer thereof....
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JP7190710B2 |
A polylactide composite resin having excellent heat resistance is provided. The polylactide composite resin contains grafted cellulose nanofibers having an average fiber diameter of 4 to 1000 nm, wherein the grafted cellulose nanofibers ...
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