342results about How to "Anti-rust" patented technology

The invention relates to an environmental-friendly water-based antirust agent, which mainly comprises boric acid, ethanolamine, a neutralizer, a corrosion inhibitor, an additive, water and the like. During use, the antirust agent is mixed with the water in a ratio of 1:5-1:20 to form antirust solution, and a steel workpiece is soaked in the antirust solution at the temperature of between 50 and 70 DEG C for 3 to 5 minutes and taken out; a continuous and compact thin film is formed on the surface of the soaked workpiece, so that oxygen and water vapor can be effectively prevented from contacting the surface of the workpiece, the primary color of the workpiece is kept unchanged, and the aim of rust prevention is fulfilled; and the treated workpiece can be directly subjected to the next process, so that the complex process of removing an antirust coating is reduced. The antirust agent does not contain poisonous and harmful substances such as nitrite, phosphate, bichromate and the like, cannot irritate and harm human bodies, and is an environmental-friendly water-based antirust agent.

The invention provides a ferrocene gas-phase slow-release rust preventive oil which is prepared from the following raw materials by weight: 150 parts of No. 120 solvent naphtha, 5 to 8 parts of rosin, 2 to 5 parts of zinc dust, 3 to 5 parts of sodium laureth sulfate, 15 to 18 parts of liquid paraffin, 3 to 5 parts of 3-aminopropyltrimethoxysilane, 10 to 15 parts of triethylenediamine, 10 to 13 parts of epoxidized soybean oil, 10 to 15 parts of xylene, 5 to 8 parts of a cross-linking agent TAIC, 1 to 2 parts of ferrocene, 3 to 5 parts of polyisobutylene, 1 to 2 parts of 4-amino-3,5-dimethyl-1,2,4-triazole, 1 to 2 parts of diethylhydroxylamine, 1 to 2 parts of 2-aminoethyl-heptadecenyl-imidazoline, 1 to 2 parts of diethanolamine, 1 to 2 parts of tri-n-octylamine, 2 to 3 parts of zinc dialkyl dithiophosphate, 5 to 8 parts of dimethicone, 1 to 2 parts of sodium dodecyl benzene sulfonate, 3 to 5 parts of acetyl tri(2-ethylhexyl) citrate, 5 to 6 parts of a film forming resin and 1 to 2 parts of modified attapulgite. The gas-phase rust preventive oil has good antirust performance and an excellent contact antirust effect, so the rust preventive oil can be widely applicable to antirust action on inner cavities or other contact or non-contact metal positions of mechanical equipment.

The invention relates to a corrosion inhibitor, which is mainly used for corrosion inhibition in a continuous acid cleaning technology of a cold-rolled sheet. The corrosion inhibitor comprises the following components in percentage by weight: 10-25% of hexamine, 0-10% of vinylamine, 0-10% of ethanolamine, 0-3% of alkynol alkoxylate, 0-4% of oxalic acid, 2-5% of additive and 43%-88% of water. The corrosion inhibitor can effectively inhibit corrosion, improve the brightness of the surface of a sheet, prolong the use period of an acid liquid and has a certain rust-proof property.

The invention discloses a multifunctional gaseous phase anti-rust oil which mainly comprises No. 25 transformer oil, oil-soluble vapor phase corrosion inhibitor, cosolvent dibutyl phthalate, defoamingagent polydimethylsiloxane, antioxidant zinc dialkyl dithiophosphate, mildewproof agent di-n-octyl-4-isothiazolin-3-ketone and the like; wherein the oil-soluble vapor phase corrosion inhibitor is prepared by mixing 10-40% of octadecyl butanedioic acid, 10-30% of 2-ethylamino heptadecenyl imidazoline, 2-20% of lanolin, 5-20% of zinc naphthenate and 15-30% of chromic acid tert-butyl ester. The gaseous phase anti-rust oil not only has the contact anti-rust property of the anti-rust oil, but also has the superior vapor phase anti-rust performance of the vapor phase corrosion inhibitor. The multifunctional gaseous phase anti-rust oil can be widely applied to long-term rust protection of military hardware and metal materials for civil use, more particularly, used for rust prevention of engines,large compressors, special gear boxes and the like, and mainly applicable to preventing a closed cavity system from rusting. The anti-rust oil not only can prevent black metal steel-made parts from rusting, but also has the function of rust prevention for multiple non-ferrous metal parts, thus effectively preventing metals such as steel, copper, zincification, chrome-plate and the like as well asalloy materials thereof from being corroded.

A configurable hydroponic unit and system are disclosed. The configurable hydroponic unit (100) comprises a water tank (110). The water tank includes at least one partition bar (1114, 1115) and at least one movable dam element (150). The at least one separation bar is provided at the bottom edge of the tank for separating the water tank into a plurality of groove areas. The at least one movable dam element is movably mounted within the tank to prevent nutrient flow. Said at least one divider bar and said at least one movable dam element forming a configurable channel in which the nutrient solution flows within the tank. Due to its modular characteristics, the configurable water culture unit can be stacked in turn to form a multi-layer hydroponic system which enables the vertical circulation of the nutrient solution.

The invention discloses a steel environmental rust remover. The rust remover comprises the following components by weight percentage: 10-50 % of organic phosphonic acid, 5-10 % of citric acid, and 3-5% of surfactant, with the balance being water. The surfactant is one of TX-10 and FMEE or a mixture of both. By adopting the technical solution of the invention, good rust removing effect can be achieved, the rust removing process is gentle and does not damage the surface of a steel article, and the use and manufacturing cost is low.

The invention relates to an alloy putty which comprises main body ash and curing agent by the weight ratio of 100:2, wherein the main body ash comprises (by weight ratio) unsaturated polyester resin 100, accelerating agent 2-4, epoxy resin 4-6, carboxyl-terminated butadiene-acrylonitrile 0.5-2, pigment 5-8, filling material 80-120, while the curing agent comprises (by weight ratio) initiating agent 100, pigment 2-4, filling material 4-6.

The invention discloses an environment-friendly neutral cleaning agent. The environment-friendly neutral cleaning agent comprises, by mass percent, 2%-20% of a surface active agent, 1%-5% of an emulgator, 1%-5% of an auxiliary, 1%-10% of an organic solvent, 0.3%-4.0% of a defoaming agent and the balance deionized water. The surface active agent comprises at least one kind in fatty acid methyl ester ethoxylate and modified grease ethoxylate, at least one kind in alcohol alkoxylate and normal fatty alcohol polyoxyethylene ether, at least one kind in coconutt diethanol amide and laurel based amphiprotic sodium acetate and at least one kind in fatty alcohol glucoside and alkyl glycoside. Raw materials related to in the formula of the cleaning agent contain no phosphorus and are green and environment-friendly, the components are coordinated and cooperate with one another, the excellent properties of wetting, permeation, emulsification and dispersion are achieved, and grease and other dirt on the surfaces of stainless steel workpieces can be removed fast.

The invention provides waterborne rust conversion primer coating with rust and a preparation method thereof. The waterborne rust conversion primer coating with the rust is prepared by uniformly mixinga component A and a component B, wherein the component A is prepared from the following raw material components in parts by weight: 2 to 10 parts of a rust conversion agent, 2 to 5 parts of a rust conversion auxiliary agent, 5 to 8 parts of a stabilizer, 0.5 to 3 parts of a corrosion inhibitor, 2 to 4 parts of a film forming auxiliary agent, 0.1 to 0.3 part of a thickener, 0.3 to 0.6 part of a wetting dispersant, 0.2 to 0.5 part of a de-foaming agent, 0.05 to 0.2 part of fungicide, 30 to 50 parts of waterborne epoxy antirust emulsion and 15 to 25 parts of de-ionized water; the component B isan epoxy curing agent. Therefore, the primer coating has the characteristics of environment friendliness, good adhesive power, acid resistance, alkali resistance, salt spray corrosion resistance and long service life, can be coated with the rust and is convenient to construct.

The present invention relates to Mn series Ca containing phosphide solution in the domain of final chemical engineering. The main characteristic is its component and the ratio of its weight is: 20 - 31% H3PO4, 9 - 16% MnCO3, 0.5 - 4% HNO3, 0.3 - 3% CaOH and water it until 100%. The phosphating solution can make black, compact and twinkling phosphating film on the surface of metal, and there are also in the phosphating film. It also improved the capability of phosphating film. The experiment proves that: The phosphating film can enhance the wearable and anti-corrosive capability. The phosphating solution is steady and its component is suitable. It's easy to prepare the solution and cost little, and it's also passes over the process of copper-plates. It is the preparation of updates in phosphating solution belongs to manganese catalyst.

The invention relates to heat-insulating powder for a heat-insulating coating in aspects of buildings, oil tanks, oil tubes and the like and a preparation method thereof. The heat-insulating powder is prepared by coating nano-titanium oxide, vanadium oxide, ferric oxide, rectorite powder and the like serving as a heat-insulating material with new nano-silicon oxide generated by reaction of sodiumsilicate and hydrochloric acid or sulfuric acid. The heat-insulating powder has the heat-insulating function of reflecting infrared rays and ultraviolet rays in sunlight, and the heat-insulating powder provided by the invention is a brand new heat-insulating material on the heat-insulating principle. In the heat-insulating powder, the nano-heat-insulating material is coated by the new nano-silicon oxide to enhance the heat-insulating effect of nanometer materials, avoid the agglomeration phenomenon and reduce the cost. In addition, the prepared heat-insulating material also has the multiple functions of rust prevention, corrosion prevention, sound insulation and the like.

The fibrous unsaturated polyester putty is one kind of polymer putty. The fibrous unsaturated polyester putty consists of two parts, main fibrous unsaturated polyester putty and curing agent, in the weight ratio of 50. The main fibrous unsaturated polyester putty consists of unsaturated polyester resin 100 weight portions, promoter 2-4 weight portions, styrene 3-5 weight portions, fiber 0.3-0.5 weight portions, stuffing 100-120 weight portions, and pigment 3-5 weight portions. The curing agent consists of initiator 100 weight portions, pigment 3-5 weight portions, and stuffing 1-3 weight portions. The present invention has high strength, high attachment to metal material, convenient use, less shrinkage, fast drying speed, good air drying performance, high compatibility with paint, and fine and smooth film and makes it possible to fill hole as large as 10 mm in once operation.

The invention relates to a biological fermentation tank which comprises a motor, a speed reducer, a stirring device, an upper cover, a fermentation bucket and a support. The upper cover is arranged at the upper end of the fermentation bucket and provided with a stirring opening, and the stirring device is arranged in the stirring opening and comprises a stirring shaft and stirring blades arranged on the stirring shaft. The stirring blades comprise the first stirring blade and the second stirring blade, the second stirring blade is arranged at the lower end of the stirring shaft, the first stirring blade is a flood dragon rotary blade, and the second stirring blade is a frame type stirring blade. Coatings are arranged on the outer sides of the stirring blades, the fermentation bucket is provided with an inner barrel body, an outer jacket and a shell in sequence from inside to outside, a heat preservation device is arranged between the outer jacket and the shell, a heating device is arranged between the inner barrel body and the outer jacket, and a sensor is arranged in the heat preservation device. The stirring blades are formed by combining the flood dragon rotary blade and the frame type stirring blade, therefore, reactants can be comprehensively stirred and can be effectively prevented from being pasted to the inner wall of the fermentation bucket, and the reaction rate is increased.

The invention discloses lubricating grease for protecting aluminum-conductor steel-reinforced cables and a preparation method of the lubricating grease, and relates to the technical field of chemical engineering. The lubricating grease comprises the following components in percentage by weight: 50-90% of base oil, 1-5% of isocyanate, 1-5% of fatty amine, 1-6% of aromatic amine, 1-6% of a tackifier, 1-5% of a rust inhibitor, 0.25-0.8% of an anti-oxidant and 0.04-0.08% of a metal corrosion inhibitor, wherein the base oil is mineral oil or synthetic base oil of which the temperature is 40 DEG C and the kinematic viscosity is 120-500 mm<2>/s. The lubricating grease has the advantages that the normal operation of the aluminum-conductor steel-reinforced cables in a seriously corroded offshore industry area can be guaranteed, the service lives of the aluminum-conductor steel-reinforced cables in the seriously corroded offshore industry area can be effectively prolonged, the water-resistant, rustproof and anti-corrosive functions can be realized, and the protecting requirements for the aluminum-conductor steel-reinforced cables can be ensured.

The invention discloses aqueous antirust paint for a ship cabin. 30-48 parts of solid acrylic acid is used as a base material and added with the following raw materials, including 15-25 parts of modified resin, 0-10 parts of dye, 10-30 parts of filler, 1-5 parts of a flashrust inhibitor, 5-15 parts of an additive and 10-20 parts of deionized water, to prepare the aqueous antirust paint,. The aqueous antirust paint, namely the acrylic acid aqueous paint for the ship cabin, has the advantages of weather resistance, light protection, color protection, rust resistance and corrosion resistance, meanwhile has excellent adhesion force, corrosion resistance and oil contamination resistance, and not only satisfies the requirements of the ship cabin on semi-gloss and sub-gloss antirust paint, but also is easy to coat for many times, difficult in moisture volatilization, stronger in adhesion force and free in flash rust.

The invention provides a coating solution used on a tire bead steel wire surface and a preparation method of the coating solution. The coating solution is prepared from, by weight, 9-16 parts of methyl methacrylate grafted natural rubber, 2-5 parts of liquid polysulfide rubber, 3-7 parts of coumarone resin, 2-8 parts of terpene resin, 1-3 parts of auxiliary crosslinking agents PDM, 530-600 parts of methylbenzene and 360-440 parts of acetone. By means of a coating formed by applying the coating solution to a tire bead steel wire, the performance of the tire bead steel wire for bonding with tire bead glue can be effectively improved, and a certain antirust effect is achieved.

A full-synthetic metal cutting liquid comprises the following components in percentage by weight: 18-20% of an extreme-pressure lubricant, 6-7% of an antirusting agent, 0.1-0.5% of a defoaming agent, 0.5-1% of a bactericide and the balance of deionized water, wherein the extreme-pressure lubricant comprises 5.1-5.7% of boric acid, 8.6-9.2% of diethanol amine and 4.3-5.1% of thiourea, and the antirusting agent comprises 2.1-2.3% of triethanolamine, 1.9-2% of sodium tetraborate and 1.7-1.9% of sodium gluconate. A method for preparing the metal cutting liquid comprises the following steps: (1) synthetizing organic boric acid ester; (2) synthetizing the extreme-pressure lubricant; (3) preparing the antirusting agent; (4) preparing the full-synthetic metal cutting liquid. Proven by the results, the prepared metal cutting liquid is transparent and stable, is high in extrusion resistance, wear resistance and rust resistance, can be used for processing various materials such as aluminium alloy, cast iron, carbon steel and copper, is equal to foreign similar high-grade products in performance indexes, and achieves the effects of environmental protection, energy conservation and consumption reduction.

The invention discloses a light non-dismantling self-thermal-insulation cast-in-place wall and a preparation method of filling material thereof. The preparation of the filling materials comprises the steps that micro-scale or micron-scale microcellular foam is prepared; the microcellular foam and inorganic compound gelatinization matrixes containing silicate are blended, microcellular slurry is formed through puffing foaming, and a light porous fire-resistant inorganic framework is prepared; the light porous fire-resistant inorganic framework is filled with organic lightweight aggregate, and mixed slurry is made; and the mixed slurry is solidified and formed. The light non-dismantling self-insulation cast-in-place wall comprises a keel frame, a non-dismantling wall plate fixed to the keel frame and the filling material. According to the light non-dismantling self-thermal-insulation cast-in-place wall and the preparation method of the filling materials thereof, no additional mould is supported, a pipeline can be embedded, construction is simplified greatly, cost is reduced greatly; in the casting process, plate expanding, template bursting and hollowing do not occur; the fireproof and self-insulation purposes are achieved, and thus no external thermal insulation needs to be conducted; seamless connection is achieved, and thus amount of steel used is reduced; weather resistance, the freezing and thawing resistance cycle and no crack are achieved, so that the service life of the wall is the same with that of a building; and no corrosion occurs, and thus a rust-proof role is played on a steel structure, and the service life of the steel structure is prolonged.

The invention relates to the technical field of cleaning agents, particularly provides an online cleaning agent composition for heat conduction oil and a cleaning method, and aims at solving the problem that heat conduction oil cannot be cleaned in an online way. The cleaning agent composition comprises the following raw materials in parts by weight: 20 to 30 parts of base oil, 2 to 12 parts of an ashless dispersant, 18 to 28 parts of a clearing agent, 2 to 12 parts of a surfactant, and 30 to 45 parts of washing agent. According to the online cleaning method, online cleaning is performed on heat conduction oil through the cleaning agent composition, cooling is not required under the condition that a heat conduction oil system is normally operated, the cleaning agent composition is added into the heat conduction oil system, coked oil dirt on pipe walls is cleaned according to a compatibility principle, the online cleaning of the heat conduction oil is realized, the normal operation of the system is not affected, the phenomenon that pipes are blocked by dirt does not occur, the cleaning efficiency is higher than 98 percent, heat conduction can be improved, and energy consumption can be reduced.