131 results about "Aqueous suspension" patented technology

The present invention relates to a nonwoven fabric and the production thereof. More specifically, the invention relates to a dispersible and biodegradable nonwoven fabric comprising a web prepared using a wet lay forming process. The process involves forming a web from the aqueous suspension on a wire support, hydroentangling and drying the web. The web can be provided with a high quality hydroembossed pattern, which remains even in wet wipes prepared from the material.

The invention relates to a milling element (2) for a refiner. Milling strips (21) are arranged on a base plate (18) of the milling element (2). Adjacent milling strips (21) form grooves (22) extending between the milling strips (21). A hydraulic capacity is provided by the open area of the grooves in the peripheral direction. The height of the milling strips above the base plate (18) decreases from radially inwards to radially outwards, wherein, at a predetermined partial height, the open area of the grooves at the partial height at the inner radius approximately corresponds to the open area of the grooves at the partial height at the outer radius. The partial height is obtained by shortening all milling strips (21) by a predetermined amount (27).

The utility model provides a reciprocating scanning type air floatation device for oily sludge chemical thermal cleaning, the reciprocating scanning type air floatation device comprises a thermal cleaning pool, a reciprocating motion system, a gas transmission system and a control system, the reciprocating motion system comprises an air floatation trolley and a reciprocating motion device, and the air floatation trolley is provided with a foaming pipe group for generating bubbles; the air floating trolley is located in the hot washing pool, the control system controls the air conveying system to input air into the foaming pipe set, and the control system controls the air floating trolley to reciprocate in the hot washing pool through the reciprocating motion device. According to the oil-water separation device, the problems that in the prior art, bubbles injected into oil-water suspension liquid are more uniform, the bubbles make more sufficient contact with de-missible oil drops in the oil-water suspension liquid, the oil-water separation efficiency is higher, and the oil-water separation effect is better are solved.

The present invention addresses the problem of providing a method for producing PHA, the method being capable of suppressing the generation of fine powder. The problem is solved by a method for producing PHA, the method comprising: (a) a step for enzymatically treating a culture solution containing PHA-containing bacterial cells to obtain an aqueous PHA suspension; (b) a step for heating the aqueous suspension obtained in step (a) at a heating rate of 50 °C / sec to 180 °C / sec to a temperature ranging from (Tm-32) °C to (Tm-2) °C (where, Tm is the melting point of the PHA); and (c) a step for cooling the obtained aqueous suspension, wherein the pH of the aqueous suspension during heating is 2.0-5.0.

An aqueous suspension of a mineral material, for example calcium carbonate, may be prepared by wet grinding in the presence of an aqueous dispersion of (meth)acrylic polymer neutralized by a combination of at least one monovalent ion and at least one divalent ion. Such an agent may be used for facilitating grinding and such a mineral suspension may be used for preparing a mass filler for the preparation of paper, for preparing a paper coating slip, or for preparing a coating composition.

The present invention provides liquid oral dosage form of lipid lowering agent suitable for oral administration to human or animals.

The present invention relates to a method of preparing a microbial cell product, the method comprising: providing an aqueous suspension comprising microbial cells; subjecting said suspension to mechanical cell dissociation at a temperature in the range of 15 DEG C to 35 DEG C, preferably at a pH in the range of 9 to 11, to obtain an aqueous suspension comprising dissociated microbial cells; separating the suspension to provide an extract rich in small cell debris and an extract rich in large cell debris; and combining at least a portion of the extracts to provide the microbial cell product. The invention further relates to a microbial cell product obtained or obtainable by said method. The invention further relates to the use of said products in food products, for example as a replacement for egg white; in animal food; and / or use in cosmetic formulations.

Proposed is an aqueous suspension including water, a hexagonal boron nitride (hBN) particle, and a dispersant. A cutting fluid prepared by diluting the aqueous suspension with water is also proposed.

The application discloses a preparation method of graphene nanocavitation microspheres, and comprises the following steps: phase change microcapsule preparation: dissolving paraffin and an emulsifier in an aqueous solvent, stirring under constant temperature and rotating speed for a certain time to form a stable oil-in-water emulsion, and the precipitate after centrifugation at room temperature is the paraffin microcapsule; graphene aqueous suspension preparation: dispersing graphene in a tetrahydrofuran solution and mixing with degassed water, removing the tetrahydrofuran by solvent evaporation after reaction for a certain time at a certain temperature; graphene nanocavitation microsphere preparation: mixing the paraffin microcapsule and the graphene solution, performing suction filtration after sufficient stirring, so that the graphene nanosheet is wrapped on the surface of the paraffin microcapsule, and finally drying at 60 DEG C; the paraffin capsule is removed by being heated and melted as a sacrifice layer; the graphene nanocavitation microsphere has the characteristics of high adsorption capacity and wide spectrum while having a fast adsorption rate for various metal ions and soluble organic matters.

A biocidal aqueous suspension or colloid composition comprising 4-15 wt.% of a sugar ester derived from esterification of a sugar and a fatty acid, 4-15% of a dialkyl ester which is not a sugar ester,

A suspension comprising a water soluble polymer suspended as particulates in a nonaqueous liquid is useful for treating water from which contaminant particles need to be removed. The suspension includes mineral oil and at least about 10 wt % of particulate polydiallyldimethylammonium chloride (polyDADMAC) in the form of powder or beads. The suspension can be highly concentrated, for example, up to 80 wt % polyDADMAC. The polyDADMAC can be high molecular weight beads. A method and system for delivering the suspension to flowing wastewater is also described. The method and system can be configured to treat water such as wastewater, wherein the wastewater is generated as a waste stream during various large-scale operations such as mining operations.

The present invention provides an active energy ray-curable ink composition which has high storage stability and discharge stability even if the active energy ray-curable ink composition contains a polymerizable compound.　Disclosed is an active energy ray-curable ink composition which is discharged by an inkjet method and contains a polymerizable compound. An aqueous suspension of the ink composition has a pH of 6.0 to 8.0 inclusive as measured by the following test method.　Test method: An aqueous suspension of an ink composition is prepared by mixing the ink composition and water so that the content of the ink composition is 10% by mass, and the pH of the aqueous suspension is measured.

The present disclosure relates to ready-to-use, surfactant free, oral, aqueous suspension formulations comprising one or more immunosuppressive agents. The ready-to-use suspension formulations of the present disclosure can be useful in treating organ or stem cell transplant recipients or T-cell mediated diseases.

The application belongs to the technical field of polymer materials, and particularly relates to an anti-aging TPE composite material and a preparation method thereof. The application uses alpha-olefin block copolymer I as a carrier of an anti-aging agent, forms an "anti-aging agent-compatibility agent alpha-olefin block copolymer" pre-dispersed composite through synergistic action of the compatibility agent, avoids volatilization or degradation of the anti-aging agent under high temperature in a processing process, improves effective utilization of raw materials, and can significantly reduce agglomeration of the anti-aging agent, so that the anti-aging agent is more uniformly dispersed in a matrix, thereby more effectively capturing free radicals, absorbing ultraviolet rays or inhibiting oxidation reaction, and improving long-term anti-aging performance of the material. PBS and EVOH are premixed to form a polar phase water suspension, and then melt blending is performed, so that the interface compatibility of polar and non-polar components is effectively improved, phase separation is reduced, and overall mechanical properties (such as tensile strength and toughness), anti-aging performance and processing stability of the material are improved.

This invention relates to the field of tobacco sheet technology, and more particularly to a tobacco sheet containing double-layer flavor microcapsules and its preparation method. The preparation method includes the following steps: preparing double-layer flavor microcapsules with a wax coating, the wax melting temperature being 40–70 °C; mixing tobacco raw materials, binders, and double-layer flavor microcapsules under high-speed shearing to obtain a dry mixture; the high-speed shearing is performed with a stirrer frequency of 25–35 Hz and a shearing blade frequency of 25–35 Hz for 15–25 s; the mass of the double-layer flavor microcapsules is 15%–25% of the mass of the tobacco raw materials; preparing a water suspension from woody raw materials, and then mixing it with binders and atomizing agents to obtain a wet mixture; spraying the wet mixture into the dry mixture under high-speed shearing to obtain a compound; and then rolling to obtain a tobacco sheet. This invention can improve the tensile strength of the tobacco sheet and reduce its viscosity while reducing the amount of woody raw materials used to ensure sensory quality.

A grinding element (2) for a refiner, comprising grinding strips (21) and grooves (22) running between the grinding strips (21), wherein some of the grinding strips (21) split radially outwards in a splitting region (26) and the grinding strips (21) have a smaller thickness in the circumferential direction in at least one portion after the split (27) in the splitting region (26) than outside the splitting region (26).

The present disclosure includes lignocellulosic foams which may be used, for example, in insulation as well as methods for their preparation. For example, the methods of preparing a foam may comprise: foaming an aqueous suspension comprising microfibrillated lignocellulose and a foaming agent to obtain a wet foam; and drying the wet foam to obtain the foam.

The present invention provides liquid oral dosage form of lipid lowering agent suitable for oral administration to human or animals.

A tricyclodecanedimethanol composition is provided. Applications using the above tricyclodecanedimethanol composition are also described. [Solution] A tricyclodecanedimethanol composition comprising tricyclodecanedimethanol, wherein the 173° backscatter intensity T1 measured at a temperature of 25°C using a dynamic light scattering measurement method of the tricyclodecanedimethanol composition is equal to that of a standard sample (D 50 A tricyclodecanedimethanol composition that satisfies the following condition: when the backscattering intensity of a 0.002 volume% aqueous suspension of latex with a wavelength of 300 nm is T2, T2÷8.0 ≤ T1 ≤ T2×5.0.

Process for the production of a confectionery product, in particular a confectionery or preserved fruit, comprising:-providing at least one soft center and loading said soft center into a coating pan; and-performing, in the pot, the following operations: applying a powdered acidic composition on the center; dispensing an aqueous suspension containing gum arabic and starch on the centres to form a separation membrane covering the centres, the acidic composition being pre-applied on the centres; and dispensing a syrup over the center to form an outer coating of the product wherein in the product the separation membrane is provided for separating the acidic composition from the outer coating to prevent sugar conversion of the outer coating caused by the acidic composition.

The present invention relates to a method for producing a composite membrane, the method comprising impregnating a surface of a porous membrane substrate with an aqueous suspension comprising a mixture of at least one polyamine and at least one phospholipid; and contacting the impregnated surface with an organic phase containing a monomer to thereby deposit a polyamide layer on the impregnated surface. The present invention also relates to a composite membrane comprising at least one porous membrane substrate having nano-sized or micro-sized pores; and at least a polyamide layer disposed on a surface of the porous membrane substrate, the polyamide layer comprising at least one phospholipid dispersed therein, and wherein the polyamide layer is an interfacial polymerization product.

The present invention relates to a layered silicate having a cation exchange capacity in the range of 70-130 meq / 100 g, having leachable sodium cations in the range of 65-130 meq / 100 g, having leachable magnesium cations in the range of 5-65 meq / 100 g, having leachable calcium cations in the range of 15-95 meq / 100 g, and having a cation exchange capacity in the range of 70-130 meq / 100 g, having leachable sodium cations in the range of 65-130 meq / 100 g, having leachable magnesium cations in the range of 5-65 meq / 100 g, having leachable calcium cations in the range of 15-95 meq / 100 g, and wherein the sum of the leachable sodium, magnesium and calcium cations is at least equal to the cation exchange capacity, and wherein an aqueous suspension containing 5% by weight of the layered silicate has a rotary viscosity at 10 rpm of 30 mPas or higher measured at a temperature of 23 DEG C.

The invention discloses preparation and application of a high-suspension-property aluminum oxide polishing solution for high-end stainless steel, and relates to the technical field of polishing solutions, and the high-suspension-property aluminum oxide polishing solution for the high-end stainless steel comprises the following components in percentage by mass: 3%-20% of aluminum oxide, 0.5%-2.5% of a dispersing agent, 0.05%-0.5% of a corrosion inhibitor, 0.02%-0.3% of a surfactant, 1.5%-5% of a pH regulator and the balance of water. 0.001%-0.05% of a defoaming agent and the balance of deionized water. The dispersing agent is an anionic dispersing agent compound or a nonionic dispersing agent compound. The pH regulator is a compound of organic alkali and inorganic acid. According to the technical scheme, the polishing efficiency and the product quality can be remarkably improved, and meanwhile the production cost is reduced.

The present invention relates to a process for treating an aqueous fluid comprising a biodegradable organic substance the process comprising - a bioreactor unit batch feeding stage, wherein the aqueous fluid that is to be treated is fed into a bioreactor unit; - a batch reaction stage, wherein the aqueous fluid is microbiologically treated and biogas is produced in the bioreactor unit; - a degassing unit feeding stage, wherein an aqueous suspension comprising microbiologically treated aqueous fluid and biomass is withdrawn from the bioreactor unit and fed batch-wise into a degassing unit; and - a semi-continuous biomass separator unit feeding stage, wherein the degassed aqueous suspension is withdrawn from the batch degassing unit and fed into a biomass separator.

The invention relates to an oil-based dispersion composition, in particular an oil-based dispersion composition, of a hygroscopic and / or water-soluble pesticidal agent. The present invention relates to non-aqueous suspension compositions, such as oil-based dispersion compositions of solid water-soluble and / or hygroscopic or solvent-absorbent pesticidal compounds in the form of solid microparticles, most notably oil-based pymetrozine dispersion compositions. In particular, the present invention relates to methods for optimizing the characteristics, ease of manufacture and physical stability of oil-based pymetrozine dispersion concentrate compositions, which maintain the dispersibility of these compositions in water over shelf life. The present invention provides guidance regarding separate improvements achievable by the use of non-pesticidally active formulation aids of a particular class of disclosed and collective enhanced optimization achievable by a combination comprising formulation aids of the class of disclosed. The invention also relates to methods optimized for preparing an oil-based pymetrozine dispersion composition comprising the steps of adding, stirring, grinding, collecting, homogenizing and typically packaging.

A spray-drier comprising: a main body, which delimits an atomization chamber; a feeding system to feed a water suspension of ceramic material into the atomization chamber, which comprises at least one spraying unit to spray the water suspension of material; a heating system to generate a hot gas flow having a temperature of at least circa 400° C. (in particular, ranging from circa 500° C. to circa 600° C.) using at least one electric heater; and a distribution device for distributing said hot gas flow inside said atomization chamber so that it hits the sprayed water suspension of ceramic material, thus drying the solid ceramic material contained therein and generating atomized ceramic powder.

Methods and systems for enhancing the isolation of cells from a solid biological tissue sample are described. In some embodiments, a free-standing kit device comprises a first chamber for receiving the tissue sample, enabling ultrasonic energy from a transducer assembly of a processing unit to isolate cells from the sample in the first chamber, and collecting living cells of interest from an aqueous suspension in a second chamber fluidly connected to the first chamber via a channel. In some embodiments, to enhance separation of living cells, a filter device includes a tubular body configured to be telescopically inserted into a container containing the tissue sample in an aqueous fluid. The filter device also includes a cell filter screen covering the bottom opening of the tubular body and configured to compress the tissue sample to expel cells from the sample when the filter device is fully inserted into the container.

The utility model provides a rotary scanning type air flotation device for chemical thermal cleaning of oily sludge, the rotary scanning type air flotation device comprises a sludge tank, a rotary system, a gas transmission system and a control system, the rotary system comprises a rotary motion device and a scanning spoke group for generating bubbles; the scanning spoke group is located in the sludge tank, the control system controls the gas transmission system to input gas to scanning spokes of the scanning spoke group, and the control system controls the scanning spoke group to rotate in the sludge tank through the rotary motion device. According to the oil-water separation device, the problems that in the prior art, bubbles injected into oil-water suspension liquid are more uniform, the bubbles make more sufficient contact with de-missible oil drops in the oil-water suspension liquid, the oil-water separation efficiency is higher, and the oil-water separation effect is better are solved.

To provide a technique for producing an aqueous suspension containing brimonidine and / or a salt thereof, brinzolamide and / or a salt thereof, and a carboxyvinyl polymer.SOLUTION: In an aqueous suspension containing brimonidine and / or a salt thereof, brinzolamide and / or a salt thereof, and a carboxyvinyl polymer, by selecting a carboxyvinyl polymer having a viscosity retention ratio against salt of 18% or less measured under the conditions shown in the specification as the carboxyvinyl polymer, an increase in the particle size of suspension particles (brinzolamide and / or a salt thereof) in the aqueous suspension over time can be suppressed.SELECTED DRAWING: None

The present invention relates to a method of manufacturing a piezoelectric on insulator (POI) structure, the method comprising: providing a donor substrate comprising a piezoelectric substrate, wherein the piezoelectric substrate comprises or consists of one of lithium tantalate and lithium niobate; transferring a piezoelectric layer from the piezoelectric substrate to a target substrate; and polishing the piezoelectric layer transferred to the target substrate using a chemical mechanical polishing (CMP) slurry, wherein the CMP slurry consists of an aqueous suspension of amorphous silicon, wherein the weight percentage of amorphous silicon is in the range of 4% to 18%.