Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

10results about How to "Strong hydration ability" patented technology

Soft-outside and rigid-inside plugging agent, preparation method and water-based drilling fluid

The invention provides an external-soft and internal-rigid plugging agent, a preparation method and a water-based drilling fluid, the preparation method of the external-soft and internal-rigid plugging agent comprises the following steps: (1) reacting silicon dioxide with a vinyl-containing silane coupling agent in an ethanol water solution to obtain modified silicon dioxide; (2) mixing the modified silicon dioxide, acrylamide, 2-acrylamido-2-sodium methylpropanesulfonate, sodium p-styrenesulfonate, N, N-methylene bisacrylamide and water, introducing nitrogen to remove oxygen under stirring and heating conditions, and then adding an initiator to react; and (3) filtering, washing and drying the product obtained in the step (2) to obtain the plugging agent with soft outside and rigid inside. The plugging agent can effectively combine the advantages of high strength of a rigid plugging agent and high adaptive capacity of a flexible plugging agent, can adapt to the sizes and shapes of micro-cracks and cracks in a stratum, and effectively plugs pores and cracks in the surface of a well wall.
Owner:PETROCHINA CO LTD

Environment-friendly water-based phenolic resin anticorrosive coating and preparation process thereof

The present application relates to a kind of environment-friendly water-based phenolic resin anticorrosive coating and its preparation process, belong to the field of coating technology.The coating is made of water-based phenolic resin emulsion, hyaluronic acid-lysine composition load nano SiO2-ZnO composite filler, synergistic anticorrosive filler, wetting dispersant, film forming aid, leveling thickener, defoaming agent and deionized water.The superhydrophilic of hyaluronic acid fundamentally solves the dispersion and storage stability problem of phenolic resin in aqueous phase, and the amino group of its lysine side chain can also chemically bond with resin during curing, significantly enhancing the adhesion, flexibility and interfacial bonding strength of coating.At the same time, nano SiO2, ZnO and synergistic anticorrosive filler construct a multiple synergistic anticorrosive network of physical shielding, sacrificial anode and chemical passivation, achieving long-term active protection.The whole system uses water as medium, selects bio-based raw materials and low VOC additives, and the environmental protection is outstanding.
Owner:SHANGHAI ZHIMO NEW MATERIAL TECH CO LTD

Preparation method of cooked minced fillet and cooked minced fillet

The invention relates to the technical field of minced fillet processing, and particularly discloses a cooked minced fillet preparation method and cooked minced fillet thereof. The preparation method comprises the following steps: performing microwave modification on a starch solution, mixing fish gelatin and the modified starch solution, adding the mixture into minced fillet to obtain modified minced fillet, and finally steaming the modified minced fillet to obtain the cooked minced fillet. The processing method has the beneficial effects that a cross-linked network is formed in the modified starch and the surimi, so that the migration of water is effectively reduced, and the loss of water in the surimi caused by heating or freezing and unfreezing is avoided, so that the processed cooked surimi is juicy, soft, fine and smooth and has a good chewing feeling; meanwhile, the cross-linked network structure can improve the overall gel strength of the cooked surimi, so that the surimi forms a more compact and elastic gel structure, the texture of the surimi product is further improved, the situation that the surimi product is too loose or thick is avoided, and the taste of the product is improved.
Owner:ZHEJIANG OCEAN UNIV

Preparation method of functional composite diaphragm

ActiveCN121381075BStrong hydration abilityReduce the transmission barrier
The application discloses a preparation method of a functional composite diaphragm and relates to the technical field of hydrogen production by water electrolysis. The preparation method comprises the following steps: preparing a casting solution: mixing a polymer with a solvent, heating and dispersing to prepare a uniform polymer solution; mixing zirconium oxide and a coupling agent with the solvent, ultrasonic dispersion to obtain an inorganic material dispersion liquid containing the coupling agent; under stirring, adding the dispersion liquid into the polymer solution, continuously stirring to obtain a uniform casting solution; forming a base film: coating the casting solution on a polyphenylene sulfide support net, placing in an oven after standing at room temperature to dry, and obtaining a composite base film; surface modification: sequentially immersing the composite base film in a first organic alkali solution and a second organic alkali solution, washing with a solvent after each immersion, and obtaining the functional composite diaphragm after washing.
Owner:BEIJING FUMEIJIA ENERGY TECH CO LTD

Additive composition for coal water slurry

The invention discloses an additive composition for coal water slurry, and belongs to the technical field of coal chemical industry. The additive composition for the coal water slurry, provided by the invention, comprises lignosulfonate, inorganic salt and an acid-base regulator. According to the invention, lignin is grafted and sulfonated, such that lignosulfonate with high relative molecular mass is prepared. The specific preparation method comprises the following steps: by taking lignin as a raw material, reacting with formaldehyde, acetone and sodium sulfanilate under normal pressure, and introducing a sulfonated branched chain into a lignin molecular structure, so as to prepare the high-sulfonation-degree comb-shaped branched-chain lignosulfonate with the molecular weight of 10000-50000 Da. The lignosulfonate, the inorganic salt and the acid-base regulator are added into the coal mill and mixed with the coal or / and the coal coke or / and the petroleum coke and the water for grinding to prepare the coal water slurry, so that the flowability and the stability of the coal water slurry are improved, the viscosity of the coal water slurry is reduced, and the concentration of the coal water slurry is improved.
Owner:HEFEI XIPULANDA ENVIRONMENTAL TECH DEV CO LTD

Resourceful treatment method of chlorine-containing organic wastewater

The invention discloses a resourceful treatment method of chlorine-containing organic wastewater, which comprises the following steps: mixing a calcium source, an aluminum source and an auxiliary agent, and calcining to obtain a calcium-aluminum multi-component compound; the method comprises the following steps: adding a calcium-aluminum multi-component compound into chlorine-containing organic wastewater according to a solid-liquid mass ratio of (0.25-0.4): 1, stirring, and standing to obtain a wastewater solidification product; calcining the wastewater solidification product to obtain a porous carbon loaded calcium-aluminum-chlorine multi-component compound; the porous carbon loaded calcium-aluminum-chlorine multi-component compound is used for removing fluorine ions in fluorine-containing wastewater and / or degrading carbonyl sulfide in gas. According to the method, the high-chlorine and high-concentration organic wastewater can be solidified by adding a small amount of the self-made calcium-aluminum multi-component compound and is converted into a solid phase from a liquid phase, so that harmless treatment on the wastewater is achieved, and a solidified product can be converted into a high-added-value product for removing fluorine ions in a water body or toxic gas in hydrolyzed gas; and resource utilization is realized.
Owner:JIANGSU CHANGJILI NEW ENERGY TECH CO LTD +1

High-salt-tolerant foaming agent for foam drilling

The application discloses a high-salt-resistant foaming agent, which can meet the requirements of drilling construction in complex strata by coping with harsh geological conditions in the process of foam drilling and multiple requirements of foam inhibition and foaming capacity. The foaming agent is composed of the following components in percentage by mass: 12-60wt% main foaming agent, 10-30wt% auxiliary foaming agent, and the balance of water. The main foaming agent is a betaine zwitterionic surfactant containing a polyether chain segment, and the auxiliary foaming agent is an amino propionic acid type zwitterionic surfactant. The foaming agent system prepared by the application has the advantages of temperature resistance of 140 DEG C, salt resistance of 360000mg / L NaCl, excellent foaming effect, good salt resistance and good inhibition effect on hydration of mud shale.
Owner:CHINA PETROCHEMICAL CORP +2

Coal dressing foaming agent, preparation method thereof and coal flotation method

The invention provides a coal dressing foaming agent, a preparation method thereof and a coal flotation method, and relates to the field of coal dressing foaming agents. The coal dressing foaming agent is prepared from the following raw materials in parts by weight: 40 to 50 parts of triethyl phosphate, 12 to 25 parts of 2-methylthiobenzothiazole, 12 to 23 parts of triethylamine, 12 to 20 parts of alcohol compound and 1 to 5 parts of emulsifier. According to the coal dressing foaming agent, bubbles in a water layer in a bubble film can be stabilized, the water layer in the bubble film can be kept due to the high hydration capacity, the proper hydration capacity is achieved, foams with the proper stability can be generated, the foaming agent can generate the foams with the proper size and the certain stability to enable particles to smoothly float up, and the foaming effect is good. And meanwhile, the three-phase foam can be automatically broken without influencing the subsequent flotation process, has higher foaming performance, is safe and environment-friendly, and can reduce the ash content of the clean coal while improving the yield of the clean coal compared with a conventional alcohol reagent.
Owner:BEIJING MINING & METALLURGICAL TECH GRP CO LTD +1

Mica-containing spodumene ore separation system and separation process

The present application relates to the technical field of mica-containing spodumene ore dressing, in particular to a mica-containing spodumene ore separation system and separation process, characterized in that the system comprises a coarse-grained heavy medium separation mechanism, a coarse-grained shaking table separation mechanism, a desliming separation mechanism, a mica flotation mechanism and a fine-grained lithium separation mechanism; the coarse-grained heavy medium separation mechanism is connected with the coarse-grained shaking table separation mechanism and the desliming separation mechanism respectively; the coarse-grained shaking table separation mechanism and the desliming separation mechanism are connected with the mica flotation mechanism and the fine-grained lithium separation mechanism in sequence respectively; and the separation is carried out through the processes of coarse-grained heavy medium separation, coarse-grained shaking table separation, preparation before flotation, mica flotation and fine-grained lithium flotation, which has the advantages of strong adaptability, good separation index, low production cost, good concentrate quality, high economic benefit, fast capital reflux and the like.
Owner:WEIHAI HAIWANG HYDROCYCLONE

Anti-fouling PP conveying belt material and preparation method thereof

PendingCN119192649AImprove conversion rateStrong hydration abilityCoatingsSilicon oxideTitanium oxide
The invention discloses an anti-fouling PP conveying belt material and a preparation method thereof, and relates to the field of PP conveying belts. The preparation method comprises the following steps: firstly, preparing a titanium dioxide-silicon dioxide mixed solution by utilizing an electron beam radiation processing technology to assist a sol-gel method, and then, preparing the anti-fouling PP conveying belt material by utilizing magnetic field to assist ultrasonic plasma spraying. Firstly, organic silicon dioxide is prepared through catalysis of polydopamine under electron beam radiation, the preparation time is effectively shortened, nano titanium dioxide particles are added, an oil-repellent water cushion is formed, hydrophilic and oleophobic effects are achieved, and the anti-pollution effect is improved. Secondly, the PP conveying belt is sprayed with an ultrasonic plasma spraying technology, a stable electric field is applied to assist plasma spraying, so that the composition distribution of the composite film is more uniform, the stable magnetic field can generate thermoelectric magnetic force and thermoelectromagnetic convection in the deposition process of the coating, the titanium dioxide-silicon dioxide composite film is uniformly distributed, and the coating shows excellent wear resistance. The PP conveyor belt material prepared by the invention has the effects of stain resistance and wear resistance.
Owner:QINGDAO YISU NEW MATERIAL CO LTD