64 results about "Cellulose compounds" patented technology

The invention relates to the technical field of hydrophobic flame-retardant materials, and discloses a method for preparing a super-hydrophobic flame-retardant flexible material from a water-dispersed nanocellulose compound, which comprises the following steps: preparing a nanocellulose suspension; synthesizing silicon dioxide nanoparticles; preparation of a precursor suspension: mixing SiO2 nanoparticles, methyltrimethoxysilane and the nanocellulose suspension in proportion, and carrying out a reaction to obtain the precursor suspension; preparing a polyvinyl alcohol solution; preparing a water-dispersible plant nano cellulose compound mixed solution, and freezing the water-dispersible plant nano cellulose compound mixed solution; and carrying out freeze drying treatment and heat treatment on the frozen material to obtain the super-hydrophobic flame-retardant flexible material. According to the method for preparing the super-hydrophobic flame-retardant flexible material by adopting the water dispersible nano-cellulose compound, the material preparation process is green and pollution-free, and the prepared flexible material has the characteristics of high elasticity, high oil absorbency, reusability, fire resistance, degradability and the like, and can be applied to various fields.

An object of the present disclosure is providing a hard capsule made of a hard capsule film having enteric properties that can be molded by a cold gel method. An enteric hard capsule comprises a film containing a first component and a second component, and further containing at least one component selected from the group consisting of a third component, a fourth component, and a fifth component, wherein the first component is a nonionic water-soluble cellulose compound having a viscosity value within a range of from 100 mPa·s to 100,000 mPa·s, the second component is an enteric methacrylic acid copolymer, the third component is an enteric cellulose compound, wherein the fourth component is a water-insoluble (meth)acrylic acid alkyl ester copolymer, and the fifth component is at least one kind selected from the group consisting of polyvinyl alcohol, a plasticizer, and a surfactant.

The invention provides an underwater non-dispersible grouting material as well as a preparation method and application thereof, and relates to the technical field of constructional engineering. Specifically, the red mud concrete comprises the following components in parts by mass: 150-250 parts of red mud, 10-80 parts of Portland cement, 1-8 parts of an alkali activator, 3.5-10 parts of an anti-dispersing agent, 0.5-8 parts of a water reducing agent and a certain amount of water, wherein the alkali activator comprises biomass ash, tungstate, silicate, silica fume, arginine and inorganic alkali, and the anti-dispersing agent preferably comprises sodium alginate modified polyvinyl alcohol, a cellulose compound, stone powder and maltodextrin. The grouting material is obtained by recycling the red mud as a basic raw material, and has the advantages of excellent flowing state, excellent setting time, excellent compressive strength, better underwater dispersion resistance, better construction fluidity and better durability; the preparation process is simple, the performance is excellent, the environment-friendly effect is realized, and the application prospect is good.

The present invention relates to a composition, especially cosmetic composition, in particular for caring for keratin materials, comprising: at least one particulate cellulosic compound; at least hydrophobic silica aerogel particles; and at least one wax of plant origin having a melting point of greater than 25° C. It also relates to a cosmetic process for caring for keratin materials comprising the application to the keratin materials of said composition.

The invention discloses a method for preparing oil gel by using a protein hydrolysate-cellulose aerogel template, and belongs to the field of biological materials and foods. The method comprises the following steps: (1) preparing cereal protein hydrolysate; (2) preparing a protein hydrolysate-cellulose compound; (3) preparing a protein hydrolysate-cellulose aerogel; (4) carrying out post-treatment on the protein hydrolysate-cellulose aerogel; and (5) preparing the oil gel. According to the method, a protein hydrolysate-cellulose-based composite aerogel is prepared by adopting a dual enhancement strategy of combining electrostatic adsorption and chemical crosslinking, and the oleogel is prepared by taking the composite aerogel as a template through a simple physical oil absorption process. The oleogel is safe, non-toxic and edible, and no toxic reagent is added in the processing process. The oleogel shows a good strain memory effect and remarkable structural elasticity. And excellent oil absorption capacity, oil holding capacity and thermal stability are also shown. The simple method capable of enhancing the mechanical properties of the oleogel is suitable for commercial mass preparation, and the prepared oleogel can be used for replacing fat in artificial meat products.

The present invention relates to a composition, especially cosmetic composition, in particular for caring for keratin materials, comprising: at least one particulate cellulosic compound; at least hydrophobic silica aerogel particles; and at least one semicrystalline polymer containing at least one alkyl acrylate chain. It also relates to a cosmetic process for caring for keratin materials comprising the application to the keratin materials of said composition.

The present application relates to the technical field of oil exploitation, in particular to a profile control water plugging agent, a preparation method and application thereof. The method comprises the following steps: (1) mixing a cellulose compound, acrylamide and water, then adding a crosslinking agent, and then adding an initiator to perform a polymerization reaction; (2) mixing the material obtained in the step (1) with a metal salt solution, and then performing solid-liquid separation and drying; wherein the cellulose compound is selected from one or more than two of carboxymethyl cellulose, carboxyethyl cellulose and polyanionic cellulose. The profile control water plugging agent is a hydrogel material with a unique double network structure, and has good stability and still maintains good strength under high temperature and high salt conditions.

The present application provides a water-soluble, partially biodegradable dihydroxyalkyl cellulose having about 0.7 to about 2.0 units of dihydroxyalkyl moiety per anhydroglucose moiety, having (i) a molecular weight of dihydroxyalkyl cellulose is in the range of from about 10,000 Daltons to about 1,500,000 Daltons, (ii) a biodegradation rate of ≥3% in an aquatic medium, and (iii) a water solubility at a threshold level of 2 g / L. Also discloses a method for preparing dihydroxyalkyl cellulose and functionalized dihydroxyalkyl cellulose compounds and their use in personal care applications.

The invention discloses a water-based functional building exterior wall coating as well as a preparation process and application thereof, and belongs to the technical field of coatings. The coating is composed of a hydroxy acrylic emulsion, a fluorocarbon emulsion, an iron-doped molybdenum disulfide / nano cellulose compound, composite aerogel powder, modified mordenite, nano SiO2 particles, an intumescent flame retardant, an auxiliary agent and water. Wherein the composite aerogel powder is of a porous structure formed by coating hollow Fe2O3 / TiO2 with SiO2; the intumescent flame retardant is prepared from ammonium polyphosphate, pentaerythritol and melamine according to a specific proportion. The preparation process of the coating comprises a plurality of steps, such as dispersing, stirring, pH adjusting and the like. The coating has excellent properties, such as low heat conductivity coefficient, high antibacterial rate, long flame retardant time and good artificial aging resistance, and can be applied to building exterior walls. Compared with the prior art, the problems of function stacking performance offset, poor nano material compatibility and the like are solved, and the application prospect is wide.

A significant reduction in conversion rate has been observed with a recycled styrene-based resin composition obtained by polymerizing a recycled styrene monomer produced by a conventional method compared with a styrene-based resin composition obtained by polymerizing a petroleum-derived styrene monomer. The purpose of the present invention is to provide a styrene monomer composition comprising (A) a recycled styrene monomer derived from a pyrolysis product of a styrene-based resin product containing a cellulose-based compound, and (B) a pyrolysis compound derived from a pyrolysis product of the styrene-based resin product other than the recycled styrene monomer (A), wherein the pyrolysis compound (B) is contained in an amount of 5 × 10-2 parts by mass or less with respect to 100 parts by mass of the recycled styrene monomer (A).

The invention discloses a method for improving the fermentation stability of straw mixed sugar, and belongs to the technical field of lactic acid fermentation. The invention discloses a method for improving the fermentation stability of straw mixed sugar. The method comprises the following steps: pretreating plant straws to obtain heald fibers; carrying out enzymolysis on the heald fibers by utilizing cellulose compound enzyme to obtain enzymatic hydrolysate; filtering the enzymatic hydrolysate to obtain plant-based straw sugar; the straw sugar and the finished product sugar are compounded into compound straw sugar; the compound straw sugar is used as a fermentation carbon source for fermentation production of lactic acid. The prepared compound mixed sugar can reduce the utilization preference of the strain on a fermentation carbon source, effectively improves the utilization rate of the strain on the mixed sugar prepared from different types of crop straws in the fermentation process, improves the lactic acid yield under the same initial sugar concentration, and further reduces the lactic acid fermentation cost.

Cosmetic composition comprising a particulate cellulose compound, hydrophobic silica aerogel particles, and a wax of plant origin The present invention relates to a composition, in particular a cosmetic composition, in particular for caring for keratin materials, comprising: at least one particulate cellulose compound; at least hydrophobic silica aerogel particles; and at least one wax of plant origin having a melting point above 25°C. It also relates to a cosmetic process for caring for keratin materials comprising the application of this composition to the keratin materials. Figure for abstract: None

A sprayable aqueous acoustic damping composition comprising a polymer, a filler, and a water-soluble cellulose compound or a water-soluble starch, wherein, the filler comprising a filler (i) with an average particle size (d 50 particle size) of about 7-18μm and a filler (ii) with an average particle size (d 50 particle size) of about 2-5μm.

The present invention relates to a composition comprising: (a) at least one oil; (b) at least one diol having at least one carbon chain comprising 3 or more carbon atoms; (c) (c1) at least one skin care active ingredient or (c2) at least one cellulose compound; and (d) water. The composition according to the present invention can enhance or improve the penetration of the ingredient (c1) into the skin compared to the case in which the ingredient (b) is not used. The composition according to the present invention can enhance the gloss of the skin while providing a fresh texture when used compared to where no ingredient (c2) is used.

The invention provides a conductive paste, an electronic component, and a laminated ceramic capacitor, wherein in a conductive paste using a micronized conductive powder and ceramic powder for miniaturization and thinning of a laminated ceramic electronic component, an internal electrode layer having a smooth dry film and excellent adhesion can be formed. The conductive paste includes a conductive powder, a ceramic powder, a dispersant, a binder resin, and an organic solvent, and the binder resin includes cellulose, polyvinyl acetal, and a polymer compound in which a cellulose-based compound and a polyvinyl acetal-based compound are bonded via a sulfur atom. The molar ratio of sulfur atoms contained in the polymer compound to the total of the cellulose and the cellulose compound is 0.3-1.7.

The method for producing the hydrogel of the present application includes: (A1) a step of preparing a treated object containing a water-soluble cellulose compound and water; (B1) a step of separating water from the treated object by heating the treated object; and (C1) a step of cooling the treated object whose cellulose compound content is increased by the treatment in step (B1), and repeating the series of steps from step (B1) to step (C1) until the cellulose compound content of the treated object reaches 10% by mass or more.

A water-soluble film-forming compound selected from the group consisting of a water-soluble cellulose compound and gelatin; optionally a gelling agent, optionally a gelling aid; provided is a TiO2-free hard capsule shell containing ZnO and CaCO3, wherein ZnO and CaCO3 are in amounts suitable for imparting white color to the film. Also provided are a TiO2-free suspension for preparing hard capsules, and a capsule product containing TiO2-free hard capsules filled with a formulation containing an active ingredient.

A pharmaceutical composition to be applied to an ocular surface is disclosed that includes a quaternized chitosan derivative to provide antimicrobial activity against gram-negative bacteria, gram-positive bacteria, fungi, and viruses as an active ingredient. This is combined with a cellulose compound acting as a viscosity agent and demulcent to protect and lubricate mucous membrane surfaces. This is further combined with a humectant and tonicity agent to retain moisture on the ocular surface and maintain a comfortable osmolarity for the eye. This is further combined with a buffer / pH adjuster system configured to support a physiologically tolerable pH of about 6.0 to 8.0. Finally, this is combined with purified water as a diluent.

Provided is a composition that has film formability and has moisture-absorbing and moisture-desorbing properties.　The composition according to the present disclosure comprises a deliquescent salt (A) and a cellulose-based compound (B) having an LCST ranging from 40°C inclusive to 200°C exclusive. The composition has at least one of features [1] and [2]. Feature [1]: The cellulose-based compound (B) content is at least 45 wt% of the total content of the deliquescent salt (A) plus the cellulose-based compound (B). Feature [2]: Formula (1) and formula (2) are satisfied.

The present invention provides a conductive material slurry for a secondary battery electrode, which reduces the surface resistance of a thin film made of the conductive material slurry while reducing the viscosity of the conductive material slurry. An embodiment of the present invention provides a conductive material slurry for a secondary battery electrode, comprising: a conductive material; and a dispersant; the dispersant contains a cellulose-based compound and an organic acid salt.

The invention relates to a lubricant composition comprising water and: - 0.05% to 40% by weight of polyalkylene glycol,- 0.001% to 15% by weight of non-ionic surfactant(s), 0.001% to 30% by weight of at least one cellulose compound, relative to the total weight of the lubricating composition. The invention also relates to the use of the lubricant composition according to the invention for metalworking.

A method for producing a hydrogel according to the present disclosure includes: (A1) a step of preparing an object to be treated including a water-soluble cellulose-based compound and water; (B1) a step of heating the object to be treated so as to separate water from the object to be treated; and (C1) a step of cooling the object to be treated that has acquired an increased content percentage of the cellulose-based compound through the treatment in step (B1), and a series of steps from step (B1) to step (C1) are repeated until the content percentage of the cellulose-based compound in the object to be treated reaches 10% by mass or more.

The present invention relates to a sprayable aqueous acoustic damping composition comprising a polymer, a filler, and a water-soluble cellulose compound or a water-soluble starch wherein the filler comprises a filler (i) having an average particle size (d50 particle size) of about 7 to 18 [mu] m, and a filler (ii) having an average particle size (d50 particle size) of about 2 to 5 [mu] m.

The present invention provides a method and apparatus for discriminating the compounding of cellulose in a composite resin, which can discriminate the compounding of cellulose regardless of the type of composite resin even at low concentrations. Infrared light is irradiated onto a composite resin containing cellulose, and the reflected light from the composite resin irradiated with the light is received. Among the reflection or absorption spectra obtained from the reflected light, normalization is performed at the peak position that is the largest among the peaks at 2800 cm-1 or higher and 3000 cm-1 or lower, which is the C-H stretching peak caused by the composite resin, to obtain a reflection or absorption spectrum for discrimination. Using the reflection or absorption spectrum, the ratio value of the spectral intensity (background intensity) below 1000 cm-1 at a position different from the wave number of the peak showing the resin of the discriminated resin type is obtained according to the discriminated resin type. By using the ratio of the obtained spectral intensity (i.e., the background intensity), the compounding of cellulose compounded in the composite resin can be discriminated with high accuracy.

The present invention provides a cellulose compounding cationic starch device and its wet-strengthening process, which relates to the field of paper towel production. The device comprises: a compounding and mixing tank; a connecting air path connected to the bottom of the compounding and mixing tank, the connecting air path being connected to an external air supply device; a compounding and mixing tank being clamped to the top of the left wall of the compounding and mixing tank; a motor being installed on the left wall of the bottom of the compounding and mixing tank; and a material discharge baffle being slidably connected to the front side of the bottom end face of the compounding and mixing tank. High-pressure gas in an outlet pipe is blown toward the bottom of the compounding and mixing tank through an outlet notch and a reflux hood. The gas lifts flocculent fibers settled at the bottom of the compounding and mixing tank, causing the flocculent fibers to float to the top of the liquid surface, thereby enhancing the adsorption between the cationic starch and the negatively charged fibers and filler, thereby improving the fine fiber retention rate and reducing energy consumption. This solves the problems of harm to the human body caused by the production of paper towels using chlorine-containing wet-strengthening agents, as well as low fixing efficiency, weak fiber bonding, easy papermaking end, and increased production energy consumption.

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.

The present invention relates to a positive electrode comprising a metal strip covered on at least one of its faces with an active material composition comprising: a) as electrochemically active materials, at least one lithium manganese iron phosphate compound of formula LixMn1-y-zFeyMzPO4 with 0.8 ≤ x ≤ 1.2; 0.5 ≤ 1-y-z < 1; 0 < y ≤ 0.5; 0 ≤ z ≤ 0.2 and M is chosen from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb, S, W, K, Pb, V, Mo, W and mixtures thereof; and b) as binder, a mixture comprising: - at least a first binder chosen from polyvinylidene fluoride (PVDF), polytetrafluoroethylene (PTFE) and its copolymers, polyacrylonitrile (PAN), poly(methyl) or poly(butyl) methacrylate, polyvinyl chloride (PVC), poly(vinyl formal), polyesters, block polyetheramides, acrylic acid polymers, methacrylic acid, acrylamide, itaconic acid, sulfonic acid, elastomers, cellulose compounds and any mixture thereof, and - at least a second binder chosen from non-functionalized vinylidene fluoride (VDF) and hexafluoropropylene (HFP) copolymers.

The present disclosure relates to an adhesive composition comprising a source of metal ions, polycaprolactone, and a cellulose compound, and to a method for repairing bone or tooth material using the adhesive composition.

A pharmaceutical composition to be applied to an ocular surface is disclosed that includes a quaternized chitosan derivative to provide antimicrobial activity against gram-negative bacteria, gram-positive bacteria, fungi, and viruses as an active ingredient. This is combined with a cellulose compound acting as a viscosity agent and demulcent to protect and lubricate mucous membrane surfaces. This is further combined with a humectant and tonicity agent to retain moisture on the ocular surface and maintain a comfortable osmolarity for the eye. This is further combined with a buffer / pH adjuster system configured to support a physiologically tolerable pH of about 6.0 to 8.0. Finally, this is combined with purified water as a diluent.

The present invention relates to stabilized modified release vitamin D formulations and methods of administering the same. A stabilized formulation for controlled release of a vitamin D compound is disclosed. The formulation comprises one or both of 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 and a cellulose compound. The stabilized formulation exhibits a stable dissolution profile after exposure to storage conditions and demonstrates improved pharmacokinetic parameters compared to unstabilized formulations.