448results about How to "Inhibition of adsorption" patented technology

an anisotropic conductive adhesive which uses conductive particles where a silver-based metal is used as a conductive layer, having high light reflectance and excellent migration resistance is provided. The anisotropic conductive adhesive includes light reflective conductive particles in an insulating adhesive resin. The light reflective conductive particle includes a light reflective metal layer made of a metal alloy including silver, gold and hafnium formed on the surface of a resin particle as a core by sputtering method. The light reflective metal layer is preferably formed having a composition ratio of a silver of at least 50% by weight to at most 80% by weight: a gold of at least 10% by weight to at most 45%: a hafnium of at least 10% by weight to at most 40% by weight, and a total ratio does not exceed 100% by weight.

The invention discloses an iron mine sintering flue gas segmented circulation method. Sintering flue gas high in O2 content on the tail portion of a sintering machine is circulated to the interior of a head flue cover of a sintering feed surface of the head portion of the sintering machine, flue gas of two to three bellows highest in SO2 content in a bellow on the tail portion of the sintering machine is conveyed to a desulfurization system to be desulfurized, and flue gas in other bellows is circulated to a middle flue cover of a sintering feed surface of the middle portion of the sintering machine. After segmented flue gas circulation is adopted, SO2 will not be accumulated in sintering ore, dust emission is reduced by 20-40%, NOx emission is reduced by 20-40%, dioxin emission is reduced by 50-80%, and CO2 emission is reduced by 20-45%.

The invention discloses methyl sulfonate tinning electrolyte using cerium salt as an additive. The electrolyte comprises the following components: 30 to 120 g/L of stannous methyl sulfonate, 60 to 180 g/L of methylsulfonic acid, 1 to 10 g/L of cerium sulfate, 0.1 to 2 g/L of antioxidant, 5 to 10 g/L of brightening agent and 5 to 10 g/L of surfactant. The invention also discloses a method for tinning a steel strip or a steel plate by adopting the electrolyte. During plating, the cerium salt in the electrolyte lightens the harm degree of 'hydrogen brittleness', and plays roles of the antioxidant and the brightening agent. On the basis of adaptability to the environment, the electrolyte meets the requirements that the process is simple, the solution is stable, the maintenance is easy and the quality of a coating is high.

The invention discloses organosilicon type marine antifouling paint binder. The structure of the paint binder is shown in the formula (1), wherein the paint binder is an organosilicon-polyurethane compound with bactericide side chain and R represents CH2CH3. The preparation method comprises the following preparation steps: 1) using chloropropylmethyldimethoxysilane and dimethyldimethoxysilicane to react and obtain chloropropyl-containing polysiloxane; 2) using chloropropyl-containing polysiloxane, tertiary amine and hydroxyl-containing tertiary amine to perform reflux reaction and generate polysiloxane with quaternary ammonium salt and hydroxyl; and 3) mixing isocyanate, butyltin dilaurate and polysiloxane with quaternary ammonium salt and hydroxyl with solvent, adding gamma-aminopropyltriethoxysilane to extend the chain and obtain prepolymer with the crosslinked group -Si(OCH2CH3), and using the prepolymer to perform crosslinking and condensation in the air and obtain the finished product. The organosilicon type binder has low surface energy performance and very good hydrophobicity; and the molecular chain has environmentally-friendly bactericide, thus the binder has very good bactericidal effect and marine antifouling effect.

The invention relates to a Fe molecular sieve composite catalyst, which comprises an active component Fe, a catalyst carrier Beta and a mordenite. A preparation method comprises the following steps of: 1, performing ion exchange on a Si/Al H-Beta molecular sieve and FeCl2; 2, removing Cl ions in the solution, and drying the obtained filter cake and roasting the filter cake in a muffle furnace to obtain the Fe/Beta molecular sieve catalyst; 3, placing the Fe/Beta molecular sieve catalyst in the water, adding the mordenite, and roasting the mixture to obtain the Fe/Beta/Mor molecular sieve composite catalyst; 4, dissolving the Fe/Beta/Mor molecular sieve into the de-ionized water, and adding concentrated nitric acid to obtain coating serum; and 5, dipping a Cordierite honeycomb ceramic carrier in the serum, blowing a residual liquid, and after drying the mixture in the shade, drying and roasting the mixture. The catalyst can efficiently purify NOx in the tail gas of a diesel vehicle, a lean-burning gasoline car and a lean-burning natural gas vehicle, and has the characteristics of environment protection and highly efficient catalytic activity.

The invention discloses a method for forming a simulated cell outer layer membrane structure on the surface of cross-linked chitosan. The method comprises the following steps that: firstly, the chitosan is cross-linked by glutaraldehyde; and secondly, the surface of the cross-linked chitosan is grafted with phosphinylideyne choline groups to construct the simulated cell membrane structure, the reaction of the grafted phosphinylideyne choline groups is carried out in an anhydrous non-protonic solvent, the reaction temperature is between 40 and 80 DEG C, and the concentration of phosphorylcholine dichloride is between 0.1 and 20mg/ml. The test results show that for the surface modified by the simulated cell outer layer membrane structure, the capabilities of adsorbing protein and blood platelet are obviously reduced, and the blood compatibility is obviously improved. The modified material with the simulated cell outer layer membrane structure has wide application prospect in fields such as blood purification, body implantation materials, tissue engineering, slow release of medicines, biological sensors, and the like.

The invention relates to a method for preparing microbial feed additive used for promoting growth of goose liver. All of the microbial strain is screened out from the animal intestinal tract. The method comprises culturing all the strains on the same culture medium through combined culture, constituting powerful compound microbial community by using mixed sync solid fermentation process, and forming effective enzyme producing ability to make the product has amount of physiologic metabolite such as organized enzyme for analysing cellulose and fructose, peptide, antioxidants, free amino acid, and vitamin. The invention can promote feed digestion and absorption of animal, promote synthesize and utilization of protein, enhance immunologic competence of livestock, fowl and aquatic livestock, and improve feed conversion ratio and production capacity of breed animal. The inventive product has good practicability and pertinency.

The invention discloses a polycrystalline silicon ingot casting process. The process comprises the following steps: 1, preheating; 2, melting; 3, growing crystal: the temperature is controlled to T6 and is preserved for 1h, and T6=1420 DEG C; the hoisting height of a heat insulation cage is 90mm; the temperature is controlled to T6 and is preserved for 2h, and the hoisting height of the heat insulation cage is not changed; the temperature is controlled to T6 and is preserved for 3h, and the hoisting height of the heat insulation cage is 110mm; the temperature is gradually lowered from T6 to T7, the temperature lowering time is 7-9h, and the hoisting height of the heat insulation cage is 210mm; T7=1405 DEG C; the temperature is controlled to T7 and is preserved for 7-9h, and the hoisting height of the heat insulation cage is not changed; the temperature is controlled to T7 and is preserved for 7-9h, and the hoisting height of the heat insulation cage is not changed; the temperature is gradually lowered from T7 to T8, and the hoisting height of the heat insulation cage is not changed; T8=1395 DEG C; 4, annealing and cooling. The polycrystalline silicon ingot casting process has the advantages of simple steps, reasonable design, convenience in realization, easiness in grasp and good using effect and can reasonably control the ingot casting crystal growth process.

The invention provides a glucan-based transparent hydrogel dressing and a preparation method thereof. The preparation method of the glucan-based transparent hydrogel dressing comprises the following steps: conducting a reaction between a glucan quaternary ammonium salt derivative and succinic anhydride; then promoting an obtained product to react with small molecules of amination, so that a macromonomer which contains illuminated cross-linking double bonds is obtained; mixing the macromonomer which contains illuminated cross-linking double bonds with an antibacterial agent and an initiating agent; conducting photo initiation so as to prepare a glucan-based transparent hydrogel; and combining the glucan-based transparent hydrogel with a polyurethane film by virtue of a bonding agent, so that the glucan-based transparent hydrogel dressing is prepared. The finished product (the glucan-based transparent hydrogel dressing) prepared by the invention not only can absorb a great amount of wound exudates so as to keep a wound surface wet, but also can avoid wound adhesion, so that the probability of wound infection is reduced and wound surface healing is promoted.

The invention discloses a rare earth element-doped BaZrO3-delta-based perovskite-type Ru-loading ammonia-synthesis catalyst and a preparation method thereof. The rare earth element-doped BaZrO3-delta-based perovskite-type Ru-loading ammonia-synthesis catalyst utilizes a rare earth element-doped BaZrO3-delta-based perovskite-type composite oxide as a carrier having a molecular formula of Ba1-xLnx+yZr1-yO3-delta and comprises Ru as an active component. A rare earth element doping amount is 1-20wt% of the total amount of the carrier. K2RuO4 is utilized as a precursor of the active component and is directly dipped into the carrier, wherein the Ru loading amount is 0.5-10wt% of the carrier amount. The preparation method has simple processes, adopts simple equipment, does not need an auxiliary agent, and has a low precious metal use amount. The rare earth element-doped BaZrO3-delta-based perovskite-type Ru-loading ammonia-synthesis catalyst has good low-temperature low-pressure activity and high stability.

An immersion apparatus (132) is provided with a mixing mechanism for mixing a prescribed substance with a liquid supplied on a liquid-repellent film on the surface of an object (member) arranged on a light outgoing side of a projection optical system (PL) and dissolving the substance. The prescribed substance adjusts the specific resistivity of the liquid. A liquid (Lq) wherein the prescribed substance is dissolved is supplied on the liquid-repellent film and an immersion region is formed.

The invention provides amnion eye drops for curing cornea alkali burn and a preparation method thereof. The preparation method comprises the steps of: taking amnion homogenate supernate as main activeconstituent; and adding with trehalose, hyaluronic acid or salt thereof, heparin or salt thereof, sodium chloride, benzalkonium bromide, vitamin, etc. The eye drops belongs to an ophthalmology drug delivery system, has a good lubrication function, and can provide a conglutination-resistant surface; and the drug delivery system is added with the other pharmacological active constituents, thereby being capable of increasing the viscocity of medical liquid, prolonging the residence time of the drug in eye surface, improving the bioavailability of the drug, reducing the side effect of the drug, reducing the drug irritation, and having a slow release effect. The amnion eye drops is an effective ophthalmology new drug, and has good clinic application foreground.

The invention provides a long-acting antibacterial multifunctional coating based on bionic dopamine as well as a preparation method and an application thereof. The preparation method comprises the following steps: carrying out ultrasonic cleaning on a base material by using acetone, absolute ethyl alcohol and ultrapure water in sequence; immersing the obtained base material into dopamine rapid deposition liquid for reaction to obtain a base material coated with a polydopamine coating; washing the obtained base material with deionized water, and drying; soaking the obtained base material in a multifunctional coating aqueous solution for reaction, and obtaining a functional coating on the surface of the base material; washing the obtained base material with ultrapure water and then drying; wherein Cu<2+> and H2O2 are dissolved in the dopamine rapid deposition liquid, and the multifunctional coating aqueous solution contains a hydrophilic polymer or a zwitterionic polymer. The preparation process is simple, conditions are mild, deposition preparation time is greatly shortened, and the method is suitable for large-scale industrial production.

The invention relates to hydroxy-terminated hyperbranched polyamine-ester polymer and an application thereof in a microfluidic chip. The preparation method of the hydroxy-terminated hyperbranched polyamine-ester polymer comprises the following steps: using equimolar diethanol amine and methyl acrylate to react and obtain N,N-dihydroxyethyl-3-aminomethyl propionate; and using trimethylolpropane and N,N-dihydroxyethyl-3-aminomethyl propionate to react, wherein G2 hydroxy-terminated hyperbranched polyamine-ester polymer, G3 hydroxy-terminated hyperbranched polyamine-ester polymer and G4 hydroxy-terminated hyperbranched polyamine-ester polymer are obtained respectively when the molar ratio of trimethylolpropane to N,N-dihydroxyethyl-3-aminomethyl propionate is 1:9, 1:21 or 1:45. The hydroxy-terminated hyperbranched polyamine-ester polymer is used to prepare the hydrophilic microfluidic chip. The preparation method of the chip comprises the following steps: oxidizing a polydimethylsiloxane (PDMS) microfluidic chip substrate in oxygen atmosphere; and connecting silane coupling agent with the inside of the substrate, and connecting the polymer with silane coupling agent. By strictly controlling the reaction conditions and the molar ratio of reactants, relatively regular polymer can be prepared. The polymer in the invention is used to modify PDMS, thus the hydrophilicity can be maintained permanent, any expensive instrument is not used and the preparation is convenient and fast.

The invention discloses a treating agent for inhibition of harm of montmorillonite clay to concrete and a using method thereof, and the treating agent belongs to the technical field of concrete additives, is used for inhibition of harm of the montmorillonite clay to concrete with a poly carboxylic acid doped water reducing agent, and solves the problem of complex technology, high cost, and bad effect of technological means in the prior art. The treating agent for inhibition of harm of montmorillonite clay to concrete comprises the following components by mass: 25%-35% of an intercalation adsorbent, 45%-55% of a dispersing agent and 10%-25% of a stabilizer. When in use, the dosage of the treating agent for inhibition of harm of montmorillonite clay to concrete is 0.01% to 0.03% of the dosage of a cementitious material in the concrete. The treating agent can effectively reduce the poly carboxylic acid doped water reducing agent adsorption of the montmorillonite clay, improves concrete performance, and has the advantages of simple preparation process, small dosage, and low cost of production and use.

The invention discloses a polycrystalline silicon ingot casting molten material and an impurity removing process. The process comprises the following steps: 1, preheating: adopting an ingot furnace to preheat a silicon material filled in a crucible, and gradually raising the heating temperature of the ingot furnace to T1; the preheating time is 6-10h, and T1=1165-1185 DEG C; 2, melting: the melting temperature is T1-T5; T5=1540-1560 DEG C; in the melting process, filling insert gases into the ingot furnace, and keeping air pressure in the furnace in Q1, and Q1=550-650mbar; 3, removing impurities: the process is as follows: the 11th step, reducing pressure: the air pressure of the ingot furnace is reduced from Q1 to Q2, and the pressure reducing time is 8-12min, and Q2=350-450mbar; the 12th step, maintaining pressure; the 13th step, boosting pressure and lowering temperature. The process has the advantages of simple steps, reasonable design, convenience in realization, easiness in grasp and good using effect, can discharge gas containing carbon in the furnace in time, and increases the polycrystalline silicon ingot casting quality.

Disclosed is a multi-layer film comprising: a surface layer having a thickness of 10 to 50 ƒÊm made of an ethylene-ƒ-olefin copolymer halving a density of 0.935 to 0.950 g/cm3, a flexible layer having a thickness of 100 to 200 ƒÊm made of an ethylene-ƒ-olefin copolymer having a density of 0.860 to 0.930 g/cm3, a barrier layer having a thickness of 10 to 80 ƒÊm made of a mixed resin containing 60 to 95% by weight of a cyclic olefin polymer and 5 to 40% by weight of an ethylene-ƒ-olefin copolymer having a density of 0.900 to 0.965 g/cm3, and a seal layer having a thickness of 5 to 80 ƒÊm made of an ethylene-ƒ-olefin copolymer having a density or 0.910 to 0.950 g/cm3. This multi-layer film is suited for use as a material for production of a medicine container 10 because it suppresses adsorption of a medicine by the barrier layer and is also superior in strength and flexibility.

The invention provides a rubber composite material, which comprises the following components in parts by weight: 100 parts of natural rubber, 6 parts of zinc oxide, 1 part of stearic acid, 1.5 parts an antioxidant, 0.1 part of a scorch retarder, 0.7 part of an accelerator CZ, 0.3 part of an accelerator TMTD, 2.5 parts of sulfur, 40 parts of carbon black, 10 parts of a wood cellulose-montmorillonite rubber reinforcing agent, and less than or equal to 6 parts of liquid rubber. According to the composite material provided by the invention, the liquid rubber is added to a formula of rubber, so that the tensile strength and the elongation at break of rubber can be improved, the dispersion of the lignocellulose-montmorillonite reinforcing agent in a natural rubber matrix is improved, the interfacial interaction of the rubber and the wood cellulose-montmorillonite reinforcing agent is effectively enhanced, and the environment is protected. The invention also provides a preparation method of the rubber composite material. The preparation method has the advantages of simple process, low cost and easiness in industrial production.

A preparation method for an amino modified adsorption material is used to improve the selective separation of CO2 in blast furnace gas, and belongs to the technical field of CO2 adsorption and separation. The preparation method comprises: taking porous material MIL-101 and an amino modifier as raw materials, and performing vacuum degassing, grafting reaction, filtering, drying and the like to prepare the amino modified adsorption material. Compared with conventional materials, the prepared amino modified adsorption material has the advantages of being high in adsorption quantity, strong in CO2 selectivity, recyclable and the like, and the preparation technology is simple and is easy for industrialized production.