30results about How to "Slurry stabilization" patented technology

An abrasive composition comprising non-polymeric organic particles that is useful for chemical mechanical planarization (CMP), and which can widely be used in the semiconductor industry. The inventive compositions preferably comprise soft water in combination with 0.001-20 w/w % of non-polymeric organic particles, 0.1-10 w/w % of an oxidizing agent, 0.05-10 w/w % of a chelating agent, 0.01-10 w/w % of a surfactant, and 0-10 w/w % of a passivation agent at a pH in the range of 2-12, wherein said percentages are w/w (weight/weight) percentages, based on the total weight of said compositions. The abrasive compositions provide an efficient polishing rate, excellent selectivity and good surface quality when utilized as a new abrasive composition in CMP applications.

The invention discloses a preparation method of a molecular sieve type monolithic catalyst. The preparation method of the molecular sieve type monolithic catalyst has the advantage that the purposes of improving the activity of the catalyst and widening the temperature window of the catalyst are achieved by combining a plurality of molecular sieve active coatings on a catalyst due to the adoption of different activities of different molecular sieve type catalysts in NOx selective catalytic reduction reaction. The preparation method of the molecular sieve type monolithic catalyst comprises the following steps: preparing Fe modification ZSM-5 molecular sieves and NH4-ZSM-5 molecular sieves into corresponding slurries, then respectively coating the slurries on one end of a cordierite honeycomb ceramic carrier to prepare a molecular sieve type monolithic catalyst applied to selective catalytic reduction of nitric oxides. The catalyst prepared by the method has high activity of selective catalytic reduction of nitric oxides; the performance of the catalyst is superior to that of the molecular sieve type monolithic catalyst which only takes the Fe modification ZSM-5 molecular sieves and the NH4-ZSM-5 molecular sieves as active coatings; the conversation rate of NOx in a temperature zone of 190-490 DEG C can reach over 80%; and the catalyst is simple in preparation method and relatively low in production cost.

The invention discloses a large filling type karst cave geological tunnel foundation reinforcing structure. A plurality of rows of grouting steel pipe piles are arranged at the bottom of a tunnel inverted arch in the length direction of a tunnel and go deep into underground bedrock or a soil body with a certain depth, a graded broken stone hardcore is laid above the steel pipe piles at the bottomof the tunnel, and a concrete bearing platform is poured above the graded broken stone hardcore. The construction method comprises the following steps of on-site surveying and setting out, drilling, hole cleaning and hole inspection, steel floral tube installation, primary grouting, secondary grouting and tunnel inverted arch bottom concrete bearing platform construction. The requirements for theconstruction quality and the service life of a karst cave geological tunnel foundation can be met, the bearing capacity is high, subsidence of the karst cave geological tunnel foundation is effectively controlled, the mechanical property of the cast-in-place pile is good, the piles are not prone to breakage, and hole collapse and blockage are effectively controlled in the hole forming process of the cast-in-place pile; and the whole foundation reinforcing structure is beneficial to maintaining water and soil stability in a tunnel mountain, and the natural water system environment is not affected.

The invention discloses a thickener and a super high-density cement paste based on the thickener. The thickener comprises the following components in parts by weight: 80-90 parts of iron ore powder, 5-10 parts of manganese mineral powder, 5-10 parts of G-grade superfine cement and 5-10 parts of silica fume. The super high-density cement paste provided by the invention is stable in performance, and low in water loss, has certain anti-gas channeling ability and ideal thickening transition time, and can form strong set cement. A high-pressure hydrocarbon reservoir can be effectively controlled, jump-out of an oil gas is avoided, and the cementing quality can be better improved.

The invention discloses a graphite water-base cathode formula and a preparation method thereof, aiming to provide a graphite water-base cathode formula with stable slurry, low production cost and little environmental pollution and a preparation method thereof. The invention comprises the following components according to the parts by weight: 100 parts of graphite, 40-60 parts of water-base binder, 60-80 parts of deionized water and 4-6 parts of ethanol. The invention can be widely used in the field of the cathode blending of the lithium ion secondary battery and the battery producing and processing field.

The invention mainly relates to the technical field of rice steamed sponge cake production and discloses a rice steamed sponge cake production process. The process comprises the steps as follows: (1)material selection for primary fermentation; (2) powder mixing; (3) pulp mixing; (4) primary resting; (5) material selection for secondary fermentation; (6) secondary resting; and (7) steaming. The secondary resting process is adopted, through secondary resting of the primarily rested rice steamed sponge cake, the surface of the rice steamed sponge cake is flatter, the uniformity of pores in the rice steamed sponge cake is improved, starch is added during material selection for secondary fermentation, so that the elasticity of the rice steamed sponge cake can be guaranteed, the taste of the rice steamed sponge cake can be improved, besides, the rice steamed sponge cake pulp is more stable, has long fermentation time, cannot become thin easily and is not prone to aging cracking during storage, a mechanical mechanism is used for uniformly stirring raw materials of the rice steamed sponge cake, and the fermentation time of the raw materials of the rice steamed sponge cake can be saved.

The invention discloses an ultrafine inorganic grouting material for tunnel inverted arches. The grouting material comprises, by mass, 75-90% of an ultrafine cementing material, 5-20% of a mineral filler, 2.5-7.5% of a composite expansion agent, 0.04-0.08% of a fluid volume stabilizer, 0.5-1.5% of a film forming modifier, 0.4-0.8% of a water reducer, 0.02-0.05% of a defoamer, 0.1-0.4% of a dispersant, 0.05-0.1% of an anti-seepage water repellent and 1-5% of a nano-reinforcing component. Above components are uniformly mixed, water is added according to a water-cement ratio of 0.25-0.30, and stirring is performed to obtain the grouting material which can be used for grouting reinforcement portions and defect parts of the tunnel inverted arches. The inorganic grouting material obtained in theinvention is suitable for repairing and stabilizing defects and dangerous rock bodies of tunnel inverted arches at 5-35 DEG C, has the advantages of high fluidity, high bonding strength, no shrinkage, good impermeability and good durability, and is suitable for being promoted and applied.

The cement permeation promoter for oil and gas well is compounded with gum resin 25í½35 wt%, modified aluminum powder 8í½12 wt%, asphalt 35í½45 wt% and chrysotile fiber 16í½24 wt%. It is re-compounded through treating the aluminum powder with water solution of potassium permanganate to deactivate and stoving to obtain modified aluminum powder, and mixing the modified aluminum powder with other components in the said weight proportion to obtain the cement permeation promoter. The cement permeation promoter may be re-compounded with other admixtures to form a new type of permeating cement slurry system, which is cured in the stratum condition to form oil and gas passage with certain permeation rate, high strength, high heat and salt tolerance, oil phase permeation rate higher than water phase permeation rate, stable chemical performance and for cementing well, preventing sand, blocking water, etc.

The invention provides a preparation method of PS-Cl and the application thereof, wherein PS-Cl is used as a slurry stabilizer of IIR. The preparation method comprises the following steps that monomer styrene prepared by mixing solvents is placed in an oxygen-free water-free polymerization bottle, an inifer and coinitiator Lewis acid which are prepared through a hexane solution are placed in the polymerization bottle, a reaction is conducted for 30 min under the condition of -110 DEG C to -60 DEG C, a reaction product is added to an isobutene and isoprene solution prepared by mixing solvents at a constant temperature for 30 min, the Lewis acid is added to the system, after reaction is conducted for 50 min, 2 ml of an ethanol solution containing 1Wt% of NaOH is added to the system, and then polymerization is ended. A product is milky white, an obvious rubber block clustering phenomenon is not found, and a wall attachment phenomenon is avoided. A slurry stabilizing solution prepared through the method can directly achieve the slurry stabilizing function on IIR without after-treatment.

The present invention relates to a binder composition for a secondary battery, an electrode slurry composition including the same, and an electrode and a secondary battery manufactured by using the same, the binder composition including: a latex particle (A) which is a polymer of a monomer mixture including (a1) a conjugated diene monomer, (a2) an ethylenically unsaturated carboxylic acid monomer, and (a3) an aromatic vinyl monomer; and an emulsifier (B), wherein the (a2) ethylenically unsaturated carboxylic acid monomer is included in an amount of 3 parts by weight or more based on 100 parts by weight of the monomer mixture and the emulsifier (B) is included in an amount of less than 3000 ppm based on 100 parts by weight of the latex particles.

The invention discloses a preparation method of a rotary cantilever porcelain insulator, and relates to the field of porcelain insulators. The preparation method comprises the following steps: mixing a porcelain billet raw material and a premixed solution containing polysaccharide, adding a dispersant, carrying out ball milling at 70-90 DEG C to obtain slurry, adjusting the pH value of the slurry to 8-10, adding an oxygen inhibitor into the slurry, uniformly mixing, injecting into a mold, cooling to 10-30 DEG C, molding to obtain a porcelain billet, sequentially drying and firing the porcelain billet to obtain a porcelain sintered body, and assembling the porcelain sintered body and a metal accessory to obtain the porcelain insulator. According to the invention, natural polysaccharide gel which can be dissolved at a high temperature is adopted, and can be formed after cooling, and ceramic particles are bonded together to dramatically increase the viscosity of a suspension, so that in-situ solidification forming is achieved, the shape stability after forming is guaranteed, water occupies the positions of pores between the particles before drying, water is discharged in the drying process, and the particles are connected by the residual organic glue so as to ensure the high strength of the billet body.