37results about How to "Prevent or reduce the formation of" patented technology

The invention provides a heat-proof wear-proof nano anti-corrosion coating material. The heat-proof wear-proof nano anti-corrosion coating material is prepared from the following components in parts by weight: 40 to 60 parts of epoxy resin emulsion, 20 to 30 parts of modified organic silicon resin, 6 to 12 parts of modified nano titanium nitride, 5 to 10 parts of bentonite, 10 to 16 parts of ceramic powder, 10 to 16 parts of graphite powder, 2 to 6 parts of a coalescing agent, 0.1 to 0.5 parts of a dispersing agent, 0.6 to 1.2 parts of pigment, 0.1 to 0.5 part of a defoaming agent and 20 to 30parts of water, wherein the modified organic silicon resin is mainly prepared from organic silicon resin, acrylic acid, an initiator and silica sol; the modified nano titanium nitride is mainly prepared from nano titanium nitride and sodium dodecyl sulfonate. The heat-proof wear-proof nano anti-corrosion coating material provided by the invention not only is good in corrosion resistance, but alsohas very good heat-proof and wear-proof properties.

The invention provides a nano-organic-silica anti-corrosion coating which comprises, by weight, 35-50 parts of water-soluble epoxy resin, 35-45 parts of alkyd resin, 6-12 parts of modified nano-zinc oxide and graphene oxide composite powder, 10-16 parts of nano-silica, 5-10 parts of diatom ooze, 4-8 parts of hydroxymethyl cellulose, 12-18 parts of tetraethoxysilane, 10-16 parts of zinc phosphate,2-6 parts of coalescing agents, 0.1-0.5 part of dispersing agents, 2-6 parts of isopropanol, 0.1-0.5 part of defoaming agents and 35-45 parts of water. The modified nano-zinc oxide and graphene oxidecomposite powder is mainly prepared from nano-zinc oxide, sodium dodecyl sulfate, graphene oxide, itaconic acid and silane coupling agents. The nano-organic-silica anti-corrosion coating is good in anti-corrosion performance and has excellent wear resistance.

The invention provides a nanometer anti-corrosion thermal insulation coating, which comprises the following components in parts by weight: 40-60 parts of acrylic resin, 20-30 parts of modified silicone resin, 6-12 parts of modified nanometer titanium nitride, 5-10 parts of bentonite, 10-16 parts of nanometer ceramic hollow particles, 10-16 parts of graphite powder, 2-6 parts of coalescing agents,0.1-0.5 parts of dispersing agents, 0.6-1.2 parts of pigment, 0.1-0.5 parts of defoaming agents, and 20-30 parts of water; the modified silicone resin is mainly prepared from silicone resin, acrylic acid, an initiator and silica sol, and the modified nanometer titanium nitride is mainly prepared from nanometer titanium nitride and sodium dodecyl sulfate. The nanometer anti-corrosion thermal insulation coating not only has good anti-corrosion performance, but also has good thermal-resistant and thermal insulation performance.

The invention discloses nano Al2O3 modified polyurethane resin coating.The nano Al2O3 modified polyurethane resin coating is prepared by, by weight, 60-80 parts of toluene diisocyanate, 5-10 parts of dicyclohexyl methane diisocyanate, 5-10 parts of hexamethylene diisocyanate, 4-8 parts of adipic acid, 1-5 parts of alkyd resin, 2-4 parts of epoxy resin, 1-3 parts of propylene glycol, 1-3 parts of methyl diethanolamine, 1-4 parts of diester acid dibutyl tin, 5-10 parts of acetic ether, 0.5-1 part of phosphoric acid, 10-30 parts of deionized water and 2-8 parts of nano Al2O3 slurry.The nano Al2O3 modified polyurethane resin coating has the advantages the modified Al2O3 nano powder is added during the polyurethane resin coating preparation process, sodium stearate is used to perform surface oleophylic treatment on Al2O3 nano powder so as to form an effective anticorrosion composite coating, and the coating is excellent in oil resistance, sea water resistance, wear resistance, impact resistance and the like.

The present invention relates to a shrink tunnel, and particularly to a shrink channel (3) for shrinking packaging medium (7) that is combined around an object (6). The shrink tunnel comprises a transport plane (TE). The object (6) which is packaged by the packaging medium (7) is transported on the transport plane in a transport direction (TR). The shrink tunnel comprises at least two well walls (50,60) which are configured in parallel with the transport direction (TR) on the transport plane (TE) and / or above the transport plane. The well walls (50,60) respectively have two side surfaces (52,61) which are configured in parallel with the transport direction (TR), wherein, at least one side surface forms an outflow surface (52). Shrink medium (40) can be introduced into an inner space (34) of the shrink channel (3) by means of at least one outflow surface (52). The side surfaces (52,61), upper side surface and lower side surface (54,55) of the well walls (50,60) form edges (XO,XU) of the well walls (50,60), wherein the edges are perpendicular with the transport plane (TE) and the cross section of the transport direction (TR). According to the shrink channel, the width of the cross section gradually reduces in the direction of the transport plane (TE).

The invention provides a crystallization inhibitor as well as a preparation method and application thereof. The crystallization inhibitor is prepared from the following components in parts by weight: 15 to 35 parts of ferric ammonium citrate, 25 to 45 parts of 2-acrylamide-2-methylpropanesulfonic acid, 10 to 20 parts of polyhexamethylene guanidine, 10 to 25 parts of polyether type nonionic surfactant and 10 to 15 parts of polyaspartic acid. The crystallization inhibitor is prepared by stirring and mixing the components in a normal-pressure reaction kettle according to the volume ratio. The crystallization inhibitor can change the crystallization process of salt in a solution to the greatest extent, so that crystal lattices of salt crystallization are distorted, tiny salt crystallization particles cannot be normally enlarged, and meanwhile, the salt crystallization particles become small and coating layers with the same charges are formed among crystal grains through the surface tension reduction and coating effects of the surfactant, the formation of large-particle salt crystals is inhibited through the principle that like poles repel each other, the formation of large-particle crystal salts in the salt-containing wastewater is inhibited, the operation cycle of a quench tower and a multi-effect evaporator of a hazardous waste incineration system is prolonged, and the production efficiency is improved.

A renal failure therapy system (10) includes: a dialyzer (102); a blood circuit (100) including a blood pump (120) in fluid communication with the dialyzer (102); a dialysis circuit (30) in fluid communication with the dialyzer (102); and at least one flow path insulator (150, 155) located in the dialysis circuit (30) or the blood circuit (100), the flow path insulator (150, 155) including a structure that separates liquid flowing within the flow path insulator (150, 155) into a plurality (e.g., two or more) of separated liquid segments (160) that create electrical isolation within the flow path insulator (150, 155).

The invention relates to a 4-carboxylphenyl retinamide ethanol compound, a preparation method thereof, and a medicinal composition and application thereof. The structural formula is shown as the specifications.

The present invention relates to a method for fluid catalytic cracking of oxygenated hydrocarbon compounds of biological origin, said method comprising: allowing a feed comprising oxygenated hydrocarbon compounds of biological origin and a certain amount of sulfur to be mixed with a fluid catalytic cracking catalyst at a temperature equal to or higher than 400 C to produce a product stream; separating the fluid cracking catalyst from the product stream and separating the light fraction from the product stream; and removing hydrogen sulfide from the light fraction by an amine treatment process in which Activated carbon is used in treating at least part of the amine solution used in the amine treatment process or treating at least part of the feed to the amine treatment process.

The invention discloses a preparation method of a corrosion-resistant paint used for outer steel plates of ships or automobile shells and capable of resisting erosion resulting from seawater, rainwater or the like.According to a preparation method, stearic acid sodium salt is mainly used for subjecting Al2O3 to surface lipophilic treatment so as to prepare the Al2O3 modified corrosion-resistant paint.The preparation method has the advantages that the stearic acid sodium salt is selected as a surface modification material, hydrophilic and hydrophobic groups similar to coupling agents exist in SASS (stearic acid sodium salt) molecules, and through experimental verifications, after coating treatment of the stearic acid sodium salt, nano-Al2O3 and film-forming matter affinity is enhanced, so that interface bonding force of the film-forming matter is enhanced; hard aggregation forming can be stopped or relieved, good dispersity can be obtained easily, and accordingly mechanical strength of paint coatings is improved and adhesive force is remarkably enhanced.

A lubricating coating composition in which at least one basic lubricant selected from the group consisting of basic sulfonate, basic salicylate and basic phenolate is dissolved in a volatile organic solvent is coated on the On the friction surface of the box sleeve of the threaded joint and the bolt rod. The composition may also contain one or more thermoplastic resins, other lubricants and extreme pressure agents. The surface roughness Rmax of the friction surface is preferably 5-40 micrometers.

The invention discloses repairing soup with abrotani herba and gingko as raw materials and a making method of the repairing soup and belongs to the technical field of healthcare foods. The making method comprises the following steps: S1, respectively cleaning and sterilizing abrotani herba, gingko leaves, glottiphyllum linguiforme, licorice roots, coral dealbatus and ginkgo seeds, putting the rawmaterials into a pot, adding water, and performing mixing and boiling; S2, after the water in the pot of the step S1 is boiled, adding lotus seeds, and continuously boiling the raw materials for 2-4 hours; S3, putting the ginkgo seeds and the lotus seeds in the pot into a clean container for later use, further filtering the mixture left in the pot, removing residues so as to obtain filtrate, putting the ginkgo seeds and the lotus seeds in the clean container into the filtrate, and continuously performing temperature keeping and heating on the raw materials; S4, adding honey and rock candy intothe mixture finally heated in the step S3, melting the honey and the rock candy, and further gradually adding white granulated sugar into the mixture to adjust the taste; and S5, stopping heating, and reducing the temperature of the mixture to 50-60 DEG C for eating. The repairing soup has good effects of activating blood, removing toxins and improving memory abilities.

The present invention relates, in part, to methods of preventing or reducing the formation and / or accumulation of deposits in ion source components of ion implanters used in semiconductor and microelectronics manufacturing. The ion source assembly includes an ionization chamber and one or more components contained within the ionization chamber. The method involves introducing a dopant gas into the ionization chamber, wherein the dopant gas has a composition sufficient to prevent or reduce the formation of fluoride ions / fluorine radicals during ionization. The dopant gas is then ionized under conditions sufficient to prevent or reduce the formation and / or accumulation of deposits inside the ionization chamber and / or on the one or more components contained within the ionization chamber . The deposits adversely affect the normal operation of the ion implanter, resulting in frequent downtime and reduced tool utilization.

The invention provides a coking inhibitor capable of retarding the coking of a furnace tube, filler and a heat exchanger in the distillation process of waste oil and effectively prolonging the on-stream time. The coking inhibitor is fully utilized to soften coke blocks, inhibit condensation and polymerization of condensed aromatics, and prevent or reduce the formation of coking materials; after the product is added in the atmospheric and vacuum distillation process, an acid value is effectively reduced and acid corrosion of equipment is controlled; the coking speed is greatly reduced, and theon-stream time is prolonged, i.e., monthly maintenance is prolonged to three-month maintenance once, so that production days are increased, the input of maintenance cost is reduced and direct economicbenefits are brought for a factory.

The invention provides a nano composite anti-corrosive coating, which comprises the following components in parts by weight: 40-60 parts of aqueous epoxy emulsions, 20-30 parts of modified organic silicon resins, 6-12 parts of modified nano titanium nitride, 5-10 parts of bentonite, 10-16 parts of sodium hexametaphosphate, 2-6 parts of film-forming adhesives, 0.1-0.5 part of a dispersant, 0.6-1.2parts of hydrogenated castor oil, 0.1-0.5 part of a defoaming agent, and 20-30 parts of water. The modified silicone resin is mainly prepared from silicone resin, acrylic acid, an initiator and silicasol, and the modified nano titanium nitride is mainly prepared from nano titanium nitride and sodium dodecyl sulfate. The nano-composite anticorrosive coating not only has good anti-corrosive performance, but also has good high temperature resistance.

The method of reducing produced bacterial mud for papermaking process includes the following steps: adding a kind of dispersant into the bacterial mud and mixing fully and culturing; and adding one antagonist into the mixed liquid of the bacterial mud and the dispersant and mixing fully and culturing to reach the aim of reducing produced bacterial mud.

A process for the fluid catalytic cracking of oxygenated hydrocarbon compounds from biological origin. The process comprises contacting a feed comprising the oxygenated hydrocarbon compounds from biological origin and an amount of sulphur with a fluid cracking catalyst at a temperature of equal to or more than 400° C. to produce a products stream. The process further comprises separating fluid cracking catalyst from the products stream and separating a light fraction from the products stream; and removing hydrogen sulphide from the light fraction by means of an amine treating process. Activated carbon is used to treat at least part of an amine solution used in the amine treating process or to treat at least part of the feed to the amine treating process.

A microbial adherence inhibitor in the form of fowl egg antibodies is disclosed, along with the method of making it and methods of using it. The inhibitor functions by substantially preventing the attachment of adherence of colony-forming immunogens in the respiratory tracts of host animals and humans. The inhibitor is made by inoculating female birds with the immunogen, harvesting the eggs which contain antibodies to the immunogen, and separating the yolk and albumin from the shells of the eggs. The yolk and albumin contents are administered to animals or human by distributing the contents directly or introducing the contents entrained in air. The adherence inhibiting material can be formulated for use in a variety of ways such as an oral spray or a nasal spray. These formulations can be effective to prevent or reduce respiratory illnesses in animals and humans.

Provided is an electrochemical device electrode 2 containing a current collector 9 and an active material layer 10 comprising an active material coated on the current collector 9, wherein the active material layer 10 includes a lower active material layer 10a closely bonded on the current collector 9, and an upper active material layer 10b disposed on the current collector 9 via the lower active material layer 10a. The lower active material layer 10a is thinner than the upper active material layer 10b. In the lengthwise direction of the current collector 9, the terminal part of the upper active material layer 10b is either coincident with the terminal part of the lower active material layer 10a or is positioned before the terminal part of the lower active material layer 10a.

The invention relates to an austenitic crystal preventing gout caused by an in-vivo acid salt needle-like precipitate. The austenitic crystal is prepared from, by weight, 22-31 parts of micro-calciumcarbide, 19-33 parts of dry rock, 19-30 parts of Jinyun rock and 18-29 parts of strontium ore. Compared with the prior art, mineralized water obtained from soaking of the austenitic crystal can prevent generation of needle-like sodium salt crystal substances and prevent and reduce the occurrence of gout, and has the advantages of a good taste, no toxic or side effect, no damage to the kidney, theintestines and the stomach and the like.

A renal failure treatment system (10), comprising: a dialyzer (102); a blood circuit (100), including a blood pump (120), in fluid communication with the dialyzer (102); a dialysis circuit (30), connected to the said dialyzer (102) in fluid communication; and at least one flow path insulator (150, 155), located in said dialysis circuit (30) or said blood circuit (100), said flow path insulator (150, 155) comprising A structure that divides the liquid flowing in the flow path insulator (150, 155) into a plurality (for example, two or more) of separated liquid segments (160), the plurality of separated liquid segments (160) in Electrical isolation is formed within the flow path insulator (150, 155).

Texturing methods for single crystal semiconductor substrates for reduced reflection of incident light. Texture a single crystal semiconductor substrate in an alkaline bath to form a tapered structure on its surface to reduce the reflection of incident light and improve the light absorption of the wafer. The alkaline bath includes compounds that prevent the formation of planar regions between the pyramidal structures to enhance light absorption. A method is provided, the method comprising: a) providing a single crystal semiconductor substrate; b) providing a solution comprising one or more kinds of alkoxy glycols, one or more basic compounds and one or more oxygen scavengers in an amount sufficient to reduce the oxygen concentration in solution to 1000 ppb or less; and c) converting the single crystal semiconductor The substrate contacts the solution to anisotropically texture the single crystal semiconductor substrate.