20 results about "Aqueous suspension" patented technology

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.

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.

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.

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%.

The invention provides a method for protecting a carbon-containing composite component against oxidation, the method comprising at least: applying a first coating composition in the form of an aqueous suspension on the outer surface of the component, the first coating composition comprising: a metal phosphate; a powder of a titanium-containing component; and a B4C powder; subjecting the applied first coating composition to a heat treatment to obtain a first coating on the outer surface of the component; applying a second coating composition on the first coating composition, the second coating composition comprising: an aqueous suspension of colloidal silica; a borosilicate glass powder; and a TiB2 powder; and subjecting the applied second coating composition to a second heat treatment to obtain a second coating on the first coating. By the particular selection of the first coating composition and the second coating composition in the order specified by the invention, a coating of increased thickness is obtained, which has good adhesion and imparts excellent oxidation resistance in wet media and at very high temperatures.

The present invention relates to a method for manufacturing a piezoelectric structure on an insulator (POI), comprising providing a donor substrate including a piezoelectric substrate, wherein the piezoelectric substrate comprises or is composed of either lithium tantalate or lithium niobate, transferring a piezoelectric layer from the piezoelectric substrate to a target substrate, and polishing the transferred piezoelectric layer on the target substrate with a chemical-mechanical polishing suspension (CMP), wherein the CMP suspension consists of an aqueous suspension of amorphous silicon with a weight percentage of amorphous silicon in the range of 4 to 18. Figure 2 is shown in the abstract.

The present disclosure relates to solvent-free aqueous suspension concentrates and to solvent-free solid water-dispersible formulations comprising one or more low-melting active ingredients, and to processes for production thereof. The formulations according to the disclosure are suitable for the field of plant protection.

This utility model relates to the production of biopolymer materials. Its primary application is the development of environmentally friendly packaging and film materials based on natural polysaccharides. Increased strength is achieved by the fact that biodegradable packaging material is obtained on the basis of natural polysaccharides, using corn starch dispersed in distilled water, bacterial cellulose in the form of an aqueous suspension, glycerin as a plasticizer and laponite in the form of a pre-dispersed suspension, Heat treatment is carried out at 80–90°C until the starch gelatinizes, forming a homogeneous viscous mass, followed by molding and drying to produce a film material. The technical result consists of increasing the mechanical strength of the biodegradable packaging material, as well as improving its barrier properties and structural stability, while maintaining environmental friendliness and simplifying the manufacturing process.

The present invention relates to a hydration-resistant reactive aqueous suspension composition and a powder molded body manufactured using same, and provides a suspension composition comprising: an aqueous solvent; a hydration-resistant reactive agent; and at least one raw material powder among a hydration-reactive metal, a metal compound, and a non-metal powder.

FIELD: medicine.SUBSTANCE: method for producing a ceramic coating for an endoprosthesis is disclosed, including preparing the initial components, preparing a ceramic mass, molding the blank, drying and thermal stabilization, characterized in that the porous coating is applied to the entire surface of the endoprosthesis by layer-by-layer application of an aqueous suspension consisting of the following components in a ratio, %: TZ-3Y-SBE ceramics – 14–16; carboxymethyl cellulose (CMC) – 1–3; deionized water – the rest.EFFECT: increased biocompatibility.1 cl, 4 dwg

The application discloses a preparation process of a mineralization-induced variable-rigidity microcapsule solidification modifier and a dispersed soil material, and comprises the following steps: (1) adjusting a mixed aqueous solution of lignin sulfonate and polyvinyl alcohol to be alkaline, then adding a dynamic bond builder under stirring, adding a mineralization induction modifier after reaction, uniformly stirring, adding modified nano red mud powder, and obtaining an aqueous suspension after ultrasonic dispersion treatment; (2) gradually adding an active hot oil phase to the preheated aqueous suspension under shearing stirring, then performing shearing stirring, continuing to perform heating and stirring reaction on the obtained mixed liquid, naturally cooling to room temperature, washing and drying the separated solid product, and thus the variable-rigidity microcapsule solidification modifier is obtained. The application not only changes the contact mode of the microcapsule and the soil particles from sliding to mechanical interlocking, and significantly improves the interface occlusion force, but also constructs a coated shell layer with good shearing adaptability.

This invention discloses a functionally grafted ultrathin nanocellulose membrane, its preparation method, and its applications. The preparation method includes: uniformly dispersing cellulose nanofibers or oxidized cellulose nanofibers in water to obtain a cellulose aqueous suspension; uniformly dispersing or dissolving functional molecules in the cellulose aqueous suspension to obtain a mixture; subjecting the mixture to a chemical grafting reaction under heating, hydrothermal, or room temperature conditions to obtain a dispersion of surface-functionalized cellulose nanofibers; forming a wet film on a corresponding film-forming substrate using a film-forming process; drying at room temperature; and then peeling off the substrate. This invention utilizes the multiple synergistic effects of the grafted molecules to effectively regulate zinc ion transport, homogenize the deposition interface, and suppress side reactions, thereby significantly inhibiting zinc dendrite growth and improving the cycle life and safety of aqueous zinc-based energy storage systems. This method is simple, operates under mild conditions, and has good prospects for large-scale application.

An object of the present invention is to provide an aqueous suspension agrochemical composition containing natural rubber, which has improved rainfastness and excellent agrochemical activity effect. The present invention relates to an aqueous suspension agrochemical composition (provided that, excluding compositions for seed treatment) containing an agrochemical active ingredient, a natural rubber, a surfactant, and water, in which a weight ratio of the agrochemical active ingredient to the natural rubber is 100 : 3 to 1 : 3.

Described herein are methods for flotation of an ore. The methods include providing an aqueous suspension having an ore in the form of particles, water, and a first frothing agent including a poly(tetrahydrofuran), in a flotation cell to obtain a provided aqueous suspension. The method further includes introducing air into the provided aqueous suspension to obtain a froth. Further described herein are specific aqueous suspensions having ore particles and poly(tetrahydrofuran) and uses of poly(tetrahydrofuran) as a frothing agent for an aqueous suspension having an ore in the form of particles.

There is provided a method for producing a molded fiber based article by forming the molded fiber based article from a first aqueous pulp suspension and a second aqueous suspension comprising refined fiber material. Additionally, is provided a molded fiber based article produced with said method.

An aqueous suspension or colloid composition comprising dimethyl glutarate, a further dialkyl ester which is not a sugar ester or dimethyl glutarate, a glycoside surfactant, an essential oil, and a su

This invention discloses a refractory and anti-oxidation coating for carbon electrodes and its preparation and application methods. The coating is a homogeneous and stable aqueous suspension, comprising, by weight: 28-35 parts potassium silicate, 12-18 parts sodium silicate, 18-25 parts α-alumina micro powder, 10-15 parts boron carbide micro powder, 6-10 parts nano-silicon powder, 4-7 parts cryolite micro powder, 1-3 parts magnesium fluoride micro powder, 3-5 parts mullite whiskers, 1.5-3 parts rare earth composite oxide, and silane coupling agent KH560. 0.3~0.8 parts, sodium polycarboxylate dispersant 0.6~1.2 parts, deionized water 8~15 parts; rare earth composite oxide is composed of La2O3 and CeO2 in a mass ratio of 1:1. The coating has a solid content of 68~75%, pH value of 8.8~9.5, viscosity of 35~50s, particle size D90≤4.5μm, porosity≤8%, and storage stability≥90d. Through the synergistic effect of rare earth-silane dual modification, mullite whisker reinforcement and low-temperature activation of nano-silicon powder, the coating achieves a high-temperature adhesion strength ≥2.2MPa, thermal shock resistance ≥25 cycles, and can be sintered at low temperature with excellent construction performance. It is suitable for various high-temperature working conditions such as electrolytic aluminum and ferroalloy smelting.