168 results about "Aqueous suspension" patented technology

The application discloses large-diameter core-shell polymer particles, a preparation method and application thereof. The large-diameter core-shell polymer particles have a particle size of 1-50 microns; the structure of the particles comprises a water-insoluble soft substance layer and a hard substance layer, and the weight ratio of the soft substance layer to the hard substance layer is 1:0.1-10, and the hard substance layer is located at the outer layer of the soft substance layer. The particles are prepared by using a modified aqueous suspension polymerization and / or emulsion polymerization method. The obtained particles can improve the hardness of an electric core, inhibit the deformation of the electric core, and do not affect the air permeability. Compared with general micron-level homogeneous polymer particles, the particles provided by the application have a soft core and hard shell structure, which is also beneficial to improving the performance of a diaphragm. The hard substance layer located at the outer layer of the particles ensures that the diaphragm coating is not sticky after drying, so that the diaphragms are not adhered to each other after being wound. The soft substance layer located at the inner layer of the particles can provide strong adhesion, so that the diaphragm and the pole piece have higher peeling strength.

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.

A method for recovering ammonium perchlorate from a solid composite propellant, the method being carried out at a temperature of less than 50° C. involving maceration of solid composite propellant fragments in the form of an aqueous suspension, the method being terminated when the ionic conductivity in the aqueous suspension reaches a stabilized value, of less than 60 mS / cm.

Modified wheat flour having the following properties (A) and (B):　(A) when the viscosity of an aqueous suspension containing the modified wheat flour is measured using the RVA (here, the aqueous suspension contains 10 parts by mass of the modified wheat flour per 100 parts by mass of water, and when the viscosity is measured, the temperature of the aqueous suspension is first held at 50°C for 1 minute, then raised to 80°C over a period of 5 minutes, held at 80°C for 5 minutes, then raised to 95°C over a period of 2 minutes and 30 seconds, and then held at 95°C for 5 minutes), M2 / M1 is 1.0-4.0, where M1 is the maximum viscosity in the period from the start of the temperature rise from 50°C to the end of the holding at 80°C for 5 minutes, and M2 is the maximum viscosity in the period from the start of the temperature rise from 80°C to the end of the holding at 95°C for 5 minutes; and (B) when the viscosity of an aqueous suspension containing the modified wheat flour is measured using the RVA (here, the aqueous suspension contains 10 parts by mass of the modified wheat flour per 100 parts by mass of water, and when the viscosity is measured, the temperature of the aqueous suspension is first held at 50°C for 1 minute, then raised to 95°C over a period of 7 minutes and 30 seconds, and then held at 95°C for 5 minutes), the peak viscosity P is no higher than 2000 mPa·s.

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.

Process for the preparation of particles with antibacterial coating, which includes the following steps: (a) providing an aqueous suspension containing a polyamine, a crosslinker and a porous organic or inorganic carrier material in particle form at a temperature lower than or equal to 10° C. in a mixer for coating the inorganic carrier material with the polyamine; (b) crosslinking the organic polymer in the pores of the inorganic carrier material and simultaneously removing water.

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.

Method for producing high yield nano-in-micro (NIM) encapsulated bioactive siRNA dry powder comprising the steps of: —providing an aqueous suspension comprising polyplexes, in particular polyelectrolyte complexes, formed from at least a polyamine, and / or polyamide and / or polyester and siRNA, wherein the polyplexes are provided with and / or encapsulated into water soluble excipients, in particular highly purified water and / or sugar alcohol and / or sugar; —spray drying the aqueous suspension using a spray In drying apparatus, preferably a Büchi B-290, by feeding the aqueous suspension to a spray drying atomizing nozzle and subjecting the atomized droplets to a heated gas stream of a carrier gas, preferably dried and cleaned air, in particular through a multicomponent atomizing nozzle for the suspension and an atomizing gas; —collecting a spray dried powder in an accumulation means of the spray drying apparatus characterized in that the temperature in the vicinity of an outlet opening of the spray drying apparatus, in particular an outlet opening connecting a spray drying chamber with the accumulation means, during feeding of the aqueous suspension to the nozzle is controlled by temperature controlling means to be limited to an upper threshold temperature which is equal to or below a melting temperature of the respective naked siRNA.

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.

Interfacial convective assembly can assemble any type of nanoparticles or other nanoelements in minutes to form microscale and nanoscale patterns in vias or trenches in patterned substrates. A solvent film is deposited on a patterned substrate. An aqueous suspension of nanoparticles is deposited onto the solvent film, thereby forming an interfacial liquid system comprising the nanoparticles within an enclosed space on the substrate. The substrate is then heated, thereby inducing convective flow in the interfacial liquid system. The convective flow includes solutal Marangoni convective flow in a direction towards the patterned substrate, causing nanoelements to be transferred to and bind to the patterned substrate. The nanoelements can be assembled on both hydrophilic and hydrophobic surfaces. Nanoparticles can fuse during the process to provide solid or single crystalline electrical circuit components.

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.