32 results about "CELLULOSE POLYMERS" patented technology

The invention provides a nanocrystalline composite oral ulcer film agent as well as a preparation method and application thereof. The nanocrystalline composite oral ulcer film agent comprises a waterproof backing layer and a drug-loading adhesion layer coated on the waterproof backing layer, the drug-loaded adhesion layer comprises a macromolecular hydrogen bond compound formed by a weakly acidic polymer and a nonionic proton receptor polymer, and a nanocrystalline drug. Compared with the prior art, the preparation method has the advantages that the polyacrylic acid polymer and the nonionic cellulose polymer interact to form IPC serving as an adhesion layer film-forming material, the nanocrystals are loaded into the adhesion layer film-forming material, the waterproof backing layer is coated with the adhesion layer film-forming material, and the oral ulcer film agent is prepared after drying and cutting. The obtained film agent has good comfort and adhesive power, shows good drug stability and permeation promotion performance, can be used as a carrier of an oral administration route, prolongs the drug action time and improves the curative effect. The preparation method of the film agent is simple and easy for industrial mass production.

The present invention relates to a cosmetic composition in the form of an oil-in-water dispersion comprising, in a physiologically acceptable medium: one or more vegetable oils consisting essentially of unsaturated fatty acids and / or unsaturated hydrocarbons, a cellulose polymer, a cellulose powder, and a hydrophilic gelling system comprising a polysaccharide gum and a carboxyvinyl polymer.

A super-tough cellulose aerogel fiber, as well as its preparation method and applications are provided. Specifically, the method includes employing a wet spinning technique; preparing a molecular-level cellulose solution using a cellulose polymer as the raw material; using the molecular-level cellulose solution as the spinning solution, wherein during the spinning process, the cellulose polymer undergoes in-situ self-assembly and hydrogen bonding crosslinking to form a multi-level nanofiber structure, wherein the nanofiber structure is a continuous three-dimensional multi-level pore network structure. The super-tough cellulose aerogel fiber not only has excellent physical properties such as high strength and high toughness, but also possesses good adsorption and heat preservation performance due to a multi-level porous structure, so that the super-tough cellulose aerogel fiber can be applied to weaving and other technical fields, and is widely applied.

Composition for conditioning keratin materials comprising (A) spherical particles of lipophilically modified silica; (B) at least one cationic polymer comprising a cationic cellulose polymer (B-1), and (C) at least one thickening agent comprising a light-thickening agent (C-1) selected from a vinyl polymer.

The invention provides a preparation method of high-stability perovskite quantum dot ink, which comprises the following steps: step 1, adding a siloxane substance into a perovskite quantum dot solution, stirring under an air contact condition to enable the siloxane substance to be subjected to hydrolysis and condensation reaction to generate silicon dioxide, carrying out heterogeneous nucleation on the surface of the perovskite quantum dot to form a silicon dioxide shell layer so as to obtain a perovskite quantum dot solution with a core-shell structure; step 2, adding a cellulose organic polymer into the perovskite quantum dot solution with the core-shell structure obtained in the step 1, and stirring until the cellulose organic polymer is dissolved in the solution, so that the cellulose organic polymer and the surface of the silicon dioxide shell layer are subjected to interface interaction and an outer polymer stable layer is constructed; by constructing a SiO2-cellulose polymer composite shell structure, excellent dispersity, air stability and light stability of quantum dots in a solution are realized, so that the quantum dots are applicable to preparation of a patterned film by a solution printing process.

This invention relates to reconstituable soap based dry composition and methods for forming stable liquid personal cleansing formulations. The composition of the present invention comprises dry composition (powder) suitable for forming stable liquid cleansing formulations comprising: 10 to 80 wt% soap; 0.1 to 50 wt% of non-soap surfactant; 0.1 to 3 wt% of chelating agent; and 1 to 30 wt% thickening agent comprising cellulosic polymer or hydrophobically modified cellulosic polymer or mixture thereof.

The present disclosure provides suspendable ophthalmic solutions with excellent redispersibility. The present disclosure provides an aqueous suspension agent comprising (E)-2-(7-trifluoromethylchroman-4-ylidene)-N-(7-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl)acetamide or a pharmaceutically acceptable salt or solvate thereof, a cellulosic polymer, and a nonionic surfactant.

In a slow-dissolving composition, the aim is to achieve excellent slow-dissolving properties, resistance to cracking, and reduced adhesion to the object being washed. [Solution] Used by placing it in the lint filter or detergent dispenser of a washing machine, with a volume of 100 mm 3 The above is the basis for the product. It is preferable that the hardness be 8 to 50 kgf, and that it contains (A) an inorganic metal salt that is sparingly soluble or insoluble in water, (B) one or more selected from wax, hardened oil, sucrose fatty acid ester and cellulosic polymer, and (C) sugars.

Provided herein are amine-functionalized cellulose polymers useful for carbon dioxide capture and methods of preparation and use thereof.

The present invention relates to sustained release formulations of Potassium chloride crystals having a mesh size ranging from about 60 to 100 mesh, combined with one or more pharmaceutically acceptable excipients, wherein the potassium chloride crystals are coated with a coating solution comprising cellulosic polymer in an amount up to 9% w / w based on the total weight of the granules and to processes for their preparation.

The application relates to a negative electrode dispersant, a preparation method thereof and a lithium ion battery. The negative electrode dispersant comprises a cellulose polymer, the cellulose polymer comprises an alkaline cellulose compound and a crosslinking agent, the crosslinking agent comprises a biphenyl compound, the biphenyl compound comprises at least one biphenyl group, and further comprises one or more of an aldehyde group, an acyl group, an ester group and a carboxyl group. The scheme provided by the application can reduce the addition amount of CMC, improve the energy density of the battery, and does not affect the cycle performance and rate performance of the battery.

Provided herein are thioether-functionalized cellulose polymers, compositions, films, fibers, particles, coatings, drug delivery articles, and methods of making and using the same. The polymers comprise a cellulose backbone of repeating anhydroglucose units and thioether substituents covalently attached to at least a portion of the hydroxyl groups of the repeating anhydroglucose units.

This invention discloses a borate ester crosslinked cellulose acetate solid electrolyte, its preparation method, and its applications, relating to the field of electrochemical power source technology. The solid electrolyte comprises a crosslinked polymer, a lithium salt, and a plasticizer; the crosslinked polymer is a borate ester crosslinked cellulose acetate polymer, and its preparation raw materials include cellulose acetate and a boron-containing crosslinking agent; the solid electrolyte possesses a three-dimensional network structure and an electrochemical stability window ≥4.5V. The solid electrolyte of this invention has a wide electrochemical stability window and high mechanical strength, making it suitable for high-voltage cathode materials. It effectively solves the problem of poor high-voltage adaptability caused by the narrow electrochemical stability window of traditional solid polymer electrolytes, and has the advantages of simple process, easy control of conditions, and low cost.

NAIL POLISH TOP COAT COMPOSITION The invention provides a composition for use on nails, comprising a solvent system that includes at least one non-aqueous, volatile polar solvent; a water-insoluble nitrocellulose polymer; an organic silicone hybrid polymer; and an alkyd resin. It also provides methods, including those for use as a top coat. Figure for abstract: none

[Problem] The present invention aims to provide a method for producing a flexible material using a woven fabric through a heat-pressure polymer infiltration process. [Solution] The present invention first uses an alkaline ionic liquid aqueous solution to activate and dissolve the cellulose contained in the fabric, thereby obtaining a cellulose polymer ionic liquid solution similar to an "adhesive." Subsequently, the undissolved fibers are bonded together by a hot-press process, and the material after hot-pressing is further softened by a polymer impregnation treatment, ultimately obtaining a high-strength flexible material made from waste textile products. The present invention does not use pure ionic liquids and does not require the complete dissolution of cellulose, resulting in a short processing time and a simple process. Furthermore, it can partially retain the inherent strength of natural fibers and significantly improve the breaking stress and breaking elongation of the flexible material. The maximum breaking stress reaches 60 MPa or more, and the maximum breaking elongation reaches 50% or more.

Provided herein are thioether-functionalized cellulose polymers, compositions, films, fibers, particles, coatings, drug delivery articles, and methods of making and using the same. The polymers comprise a cellulose backbone of repeating anhydroglucose units and thioether substituents covalently attached to at least a portion of the hydroxyl groups of the repeating anhydroglucose units.

According to this disclosure, a means may be provided for an electromagnetic wave shielding laminate film that is less prone to breakage when bonded to an object having a bent portion, and that achieves a high electromagnetic wave shielding effect when the object has a bent portion. [Solution] This disclosure relates to an electromagnetic wave shielding laminate film comprising a resin layer and a conductive layer, wherein the resin layer contains at least one compound selected from the group consisting of elastomers and cellulosic polymers and a magnetic material, the conductive layer contains a conductor, and the magnetic material comprises at least one selected from the group consisting of permalloy, ferrite and sendust, and the elongation at break at 170°C is 110% or more and 200% or less.

To provide a technique for relaxing pressure applied to the skin and suppressing deformation of the skin and skin trouble caused by the deformation.SOLUTION: The skin care composition for external use comprises a thickening polysaccharide, a cellulose-based water-soluble polymer and a polyhydric alcohol and is used for relaxing the pressure to the skin. The thickening polysaccharide is preferably selected from the group consisting of xanthan gum and locust bean gum. The cellulose-based water-soluble polymer is preferably selected from the group consisting of hydroxypropyl methyl cellulose and hydroxyethyl cellulose.SELECTED DRAWING: Figure 1

The disclosure provides a bolus configured for administration to an animal, wherein said bolus is configured to release a substance to the animal with extended release. The bolus including (i) a core including at least one active ingredient and at least one carrier; (ii) a casing that covers at least a portion of the core; wherein the core includes (i) at least one active ingredient; (ii) at least a first cellulosic polymer that is at least about 10% w / w of the core; and (iii) optionally one or more additional excipient, preferably a carrier.

The present invention provides a novel ophthalmic composition containing diquafosol or a salt thereof, which has a higher tear volume increasing effect and enables improved adherence to eye drop administration. [Solution] An ophthalmic composition containing diquafosol or a salt thereof, a vinyl polymer, and a cellulosic polymer. A preventive or therapeutic agent for dry eye containing diquafosol or a salt thereof, a vinyl polymer, and a cellulosic polymer. A soluble, aqueous eye drop for the treatment of dry eye containing 3% (w / v) diquafosol sodium, hydroxyethylcellulose, and polyvinylpyrrolidone with a K value of 30, characterized in that it is administered by instilling 1 to 2 drops at a time, 3 times a day.

The present invention relates to a prolonged-release tablet comprising fampridine and at least one pharmaceutically acceptable excipient wherein a d (0.9) particle size of fampridine is smaller than 120 µm and at least one cellulosic polymer for prolonged-release.

The present invention discloses a formulation of a compound having scalp-strengthening active ingredient, R2 embedded onto a cellulose-based textile fabric, R1. The present invention further discloses a scalp-strengthening textile fabric (100) comprising a composition of nanoparticles (102) formed through a sol-gel process, at least one scalp strengthening active ingredient (104), and a cellulose polymer (106) based textile fabric (110). Moreover, the present invention also discloses a method (200) for producing a scalp strengthening textile fabric. The method (200) involves preparing a water miscible solution of the active ingredient and hydrolysable silane, forming a sol-gel embedded in an emulsion, adjusting pH, and evaporating the solvent to yield active ingredient-loaded nanoparticles. This formulation is applied to the textile fabric, creating a durable scalp-strengthening textile fabric with covalent linkages between the cellulose polymer and active ingredient-loaded nanoparticles.

The present application relates to the field of chemical additives for oilfield drilling, and discloses a cellulose polymer, a preparation method and application thereof, and a water-based drilling fluid.The cellulose polymer comprises an a-cellulose main body and a plurality of substituent groups -R and -CH2COONa, the substituent groups being connected to part of the hydroxyl oxygen contained in the a-cellulose main body; wherein the -R is selected from at least one of -C6H 15 ClNO, -C5H 13 ClN and -C6H 15 ClN; in the polymer, the degree of substitution of -R and -CH2COONa satisfies the following relationship: 0.8≤(DS-CH2COONa+DS ‑R )≤1.6, DS-CH2COONa / DS ‑R =1:(0.05-0.15). The cellulose polymer has the ability to resist metal ions (anti-gel), and is applied to a water-based drilling fluid containing 1% high-concentration multivalent metal salt as a fluid loss additive, so that the API fluid loss of the drilling fluid is less than 16 mL, and the problem that the performance of a common polyanionic cellulose fluid loss additive is invalid in the process of drilling a formation containing high-concentration metal ions can be effectively solved.

A conductive material dispersion liquid according to embodiments of the present disclosure includes a conductive material including carbon nanotubes; a first dispersant including a cellulose polymer, and a second dispersant including a polyethylene oxide polymer. The dispersibility of a conductive material dispersion liquid including both the first dispersant and the second dispersant may be improved, and resistance characteristics of a secondary battery may be improved.

The invention relates to the field of electrode materials and solar cells, and discloses a radiation refrigeration fiber substrate, a radiation refrigeration cellulose flexible transparent electrode and a preparation method and application thereof.The preparation method comprises the steps that cellulose, a polymer cross-linking agent and an initiator are dissolved in a solvent to obtain a precursor solution, then the surface of a rigid substrate is coated with the precursor solution, and the radiation refrigeration cellulose flexible transparent electrode is obtained; and curing and stripping the rigid substrate to obtain the radiation refrigeration cellulose substrate with the thickness of 3-200 microns. The radiation refrigeration cellulose substrate disclosed by the invention has high emissivity in an atmospheric window (8-13 microns), high transmissivity, low surface roughness and high solvent resistance. The emissivity is 60%-90%, the transmissivity is 88%-98%, the surface roughness Ra is 0.33 nm-1 nm, the cellulose film is suitable for preparing a high-performance flexible photoelectric device, the operating temperature of the device is reduced through radiation refrigeration of the substrate in the actual operating process, and the cellulose film is superior to an existing cellulose film.

The present invention refers to a non-lethal article, which presents light and sound effects, with the body made of natural polymer, which provides during detonation the reduction of the quantity, size, and mass of the fragments, when compared to articles currently produced in flexible polymers, from petrochemical derivatives, thus mitigating the impacts arising from the projection, in addition to the generation of biodegradable cellulose fiber fragments. The present invention also refers to a method for the production of the non-lethal article, as well as its use, the use of a natural polymer, preferably cellulose fiber for the manufacture of a non-lethal article, as well as a kit comprising the non-lethal article. Preferably, the non-lethal item is a grenade.

To provide a conductive material dispersion with improved dispersibility, an electrode slurry containing the same, and a lithium secondary battery containing the same. [Solution] The conductive material dispersion according to the embodiment of the present disclosure comprises a conductive material containing carbon nanotubes, a first dispersant containing a cellulose polymer, and a second dispersant containing a polyethylene oxide polymer. By including both the first and second dispersants, the dispersibility of the conductive material dispersion can be improved, and the resistance characteristics of the secondary battery can be improved.

The invention discloses chemical mechanical fine polishing liquid for final polishing of a silicon wafer and application of the chemical mechanical fine polishing liquid. The fine polishing liquid comprises a high-purity abrasive, a cellulose polymer, a trans-block polyether rate inhibitor and an alkyl glycoside nonionic surfactant. Through the synergistic effect of the rate inhibitor, the surfactant and the rate inhibitor, the concentration ratio of the rate inhibitor to the surfactant (in terms of ppm on the basis of the total mass of the polishing solution) is controlled to be 0.5: 1 to 2: 1, the polishing rate is kept, meanwhile, surface defects and haze can be remarkably reduced, rough polishing damage can be effectively repaired, and the polishing solution is particularly suitable for the fine polishing process of 300 mm silicon wafers and has excellent industrial application prospects.