76results about How to "Anti-rust effect" patented technology

The invention discloses a phytic-acid type gas-phase antirust masterbatch, and a preparation method and application thereof. The antirust masterbatch comprises the following components by weight: 30 to 50% a compound antirust agent, 40 to 60% parts of carrier plastic and 10 to 20% parts of an additive, wherein the compound antirust agent is prepared by mixing sodium benzoate, phytic acid, triethanolamine borate and monoethaneamine benzoate according to a mass ratio of 1.0-1.5: 2.5-3.2: 2.0-3.0: 1.0-1.3, and the additive is prepared by mixing sodium silicate, silicon dioxide, octadecanamide and an antioxidant 1076 according to a mass ratio of 1.0-1.3: 5.0-6.5: 2.5-3.3: 0.8-1.1. According to the invention, a strong chelating agent--alkaline phytic acid is used as a gas-phase corrosion inhibitor; triethanolamine borate is used as the additive; and the compound antirust agent has good dispersion and antirust effects and certain polarity, can penetrate the carrier plastic and volatilize to the surface of wrapped metal so as to form a protective film to block erosion by external corrosion substances, and is also exempt from frost precipitation due to incompatibility with a carrier caused by excessively-strong polarity of the compound antirust agent.

The invention provides a water-soluble environment-friendly anti-rusting agent, and a preparation method and application thereof. The water-soluble environment-friendly anti-rusting agent comprises the following components in percentage by mass: 1.5 to 2 percent triethanolamine, 0.15 to 0.2 percent of sodium benzoate, 1.5 to 2 percent of sodium tetraborate, 0.5 to 1 percent of sodium carbonate, 1.5 to 2 percent of sodium gluconate and the balance of water. The anti-rusting agent is prepared by mixing and uniformly stirring the components, and the pH value of the anti-rusting agent is adjusted to be 8 to 10 by adjusting the amount of each component in a mixing and stirring process. The water-soluble environment-friendly anti-rusting agent can be used for the anti-rusting protection of ferrous metal such as cast iron and steel and nonferrous metal such as copper, aluminum and magnesium, is free of environmental pollution, harmless to a human body, low in cost and easy to prepare, has superior anti-rusting effects, and is applied to the anti-rusting of various kinds of metal, and the required components are simple and easily available.

The invention belongs to the technology field of the metal product package, in particular to an anti-rust package method of the metal product. The invention solves the problems of poor anti-rust effect or high package cost existing in the anti-rust package of the current metal product. The procedure of the anti-rust package method of the metal product is as follows: an outer package is arranged with gas phase anti-rust bags inside, corrugated boards are rolled out; corrugated paper is added in to separate; gas phase anti-rust films are added; the metal product is filled; the gas phase anti-rust films are covered; the corrugated boards and dryers are added; gas phase anti-rust bags are arranged; the outer package is closed and is externally covered with PE rainproof films and PET is bound. The invention has the beneficial effects of oil-saving, environmental protection, anti rust, firm structure, simple technic, long anti-rust period and high reliability.

The invention discloses an anticorrosive paint for building materials. The anticorrosive paint is prepared from the following raw materials in parts by weight: 40-50 parts of modified acrylic emulsion, 0.8-1 part of modified graphene, 9-13 parts of titanium dioxide, 8-10 parts of talcum powder, 1.2-1.6 parts of an antirust additive, 5-6 parts of an assistant and 20-30 parts of deionized water. Theinvention also discloses a preparation method of the anticorrosive paint. Modified acrylic emulsion is used as a film-forming substance of the paint, so that the paint not only has a good film-forming property and adhesive force, but also has excellent water resistance and aging resistance. By adding the antirust additive, an antirust effect can be achieved, and a corrosion inhibition function isachieved. Modified graphene is added to serve as an excellent shielding layer, so that the contact between building materials and a corrosive medium is prevented, and the corrosion resistance is enhanced. The paint is better combined with a matrix, and plays corresponding effects more easily. The aqueous anticorrosive paint has an excellent comprehensive performance and is suitable for protectingmetal building materials.

The invention discloses novel water-based flame-retardant paint. The novel water-based flame-retardant paint is prepared from, by weight, 100-150 parts of water-based polyurethane emulsion, 40-60 parts of epoxy resin, 15-20 parts of hydroxyethyl cellulose, 32-45 parts of aluminum triphosphate, 20-40 parts of mixed solvent of absolute ethyl alcohol and N,N-dimethylformamide by the volume ratio of 1:20-1:2, 14-28 parts of a nitrogen-phosphorous compound flame retardant, 6.5-7.3 parts of methyl dimethyl phosphate, 3.8-4.5 parts of an isocyanate compound and 1.4-2.8 parts of a defoaming agent. The paint is high in flame-retardant property and paint adhesion, has an anti-rust effect and high water resistance on a smearing face, reduces environmental pollution, is small in damage to the human body and reaches the environmental protection standard of paint.

The invention discloses a composite steel bar rust inhibitor. The steel bar rust inhibitor comprises the following components in percentage by weight: 0.5%-1.5% of sodium silicate, 0.5%-1.0% of sodium molybdate, 0.5%-1.0% of sodium acetate, 0.1%-0.5% of thiourea and the balance of water. The composite steel bar rust inhibitor disclosed by the invention adopts an anode type rust inhibition component, a cathode type rust inhibition component and a hybrid rust inhibition component for compounding, further has the advantages of small using quantity, strong rust inhibition action, strong adsorbability with steel bars and good applicability to concrete, can be directly coated on the surfaces of the steel bars to generate a compact protective film, can improve the effective utilization rate of the rust inhibitor, play a rust inhibition role while not affecting the performances of the concrete, and effectively retard and prevent the corrosion of the steel bars in the reinforced concrete, has the characteristics of no nitrites, no alkali, no toxin, no pollution and the like, and can be widely used for reinforced concrete structures of water conservation, railway, civil buildings and the like.

The invention discloses a phosphorus-free cleaning agent for metal surface treatment. The cleaning agent comprises, by weight, 0.5-10 parts of sodium gluconate, 0.5-10 parts of sodium formate, 0.5-10 parts of sodium acetate, 1-10 parts of EDTA tetrasodium, 1-20 parts of potassium hydroxide, 0.5-10 parts of sodium carbonate and 20-90 parts of water, wherein the sodium gluconate, the sodium formate, the sodium acetate and the EDTA tetrasodium are used as main agents, and the potassium, the sodium carbonate and the water are used as auxiliary agents. 1-10 parts of polyether and 0.1-5 parts of fatty alcohol-polyoxyethylene ether are used as assistants, and finally, 0.1-5 parts of vinyl succinic anhydride are added as additives for mixing to obtain the cleaning agent. The phosphorus-free cleaning agent is high in cleaning capacity, contains no such harmful substances as phosphorus and nitrite, is low in foam, and can achieve the antirust effect on cleaned metal.

The invention discloses antirust master batches for various metals as well as a preparation method and application of the antirust master batches. The antirust master batches comprise the following components in percentage by mass: 30-50% of a compounded antirust agent, 40-60% of carrier plastic and 10-20% of an auxiliary agent, wherein the compounded antirust agent is prepared by mixing disodium sebacate, sodium molybdate and diglycolamide oleate borate according to a mass ratio of (1-1.3):(1.1-1.5):(2.2-3.2); and the auxiliary agent is prepared by mixing stearic acid amide, silicon dioxide, sucrose fatty acid ester and an antioxidant 1076 according to a mass ratio of (0.9-1.3):(4.8-6.5):(2.5-3.3):(0.8-1.1). The diglycolamide oleate borate is adopted as an additive and has a dispersion effect and an antirust effect, and the compounded antirust agent has certain polarity, can penetrate through the carrier plastic and volatilize to the surface of a packed metal to form a protective film so as to prevent corrosion of external corrosive substances, and cannot be incompatible with the carrier plastic to generate frost due to too strong polarity. The antirust master batches do not contain harmful ingredients, are environment-friendly and safe to use, and can achieve an antirust effect on various metals.

The invention relates to a preparation method for environment-friendly type anti-wearing hydraulic oil, and belongs to the technical field of hydraulic oil. The preparation method comprises the following steps of: performing freezing treatment on soybean oil to remove components which are liable to crystallize at a low temperature; catalyzing oleic acid in soybean oil by potassium permanganate and glacial acetic acid to generate oxidization reaction, enabling generated short-chain carboxylic acid and n-butyl alcohol to generate esterification reaction, and drying to prepare 2# dried oil liquid; and finally, mixing the 2# dried oil liquid with nano aluminum oxide modified by a silane coupling agent, and adding auxiliaries such as tea saponin, thereby preparing the environment-friendly type anti-wearing hydraulic oil. According to the preparation method disclosed by the invention, soya bean is taken as a raw material, and is modified to improve stability thereof in a working process; the nano aluminum oxide is modified by the silane coupling agent to improve dispersion stability performance, in base oil, of the nano aluminum oxide; and the obtained hydraulic oil can be biologically degraded after being discarded, is environmental-friendly, and solves the problem that pollution is caused on an ecological environment after conventional phosphate type hydraulic oil is discarded.

The invention, which belongs to the field of chemical antirusting technology, relates to a metal antirusting spray agent for packaging paper, which is sprayed on the surfaces of metal materials and metal product-packaging paper to prevent rusting. The metal antirusting spray agent consists of 15 parts of sodium benzoate, 15 parts of urotropin, 55 parts of ethanol, 2 parts of Beta-naphthol, 8 parts of potassium ferrocyanide, 10 parts of sodium nitrite, freon-11 and freon-12. The metal antirusting spray agent is characterized in that: the sodium benzoate, the urotropin, the Beta-naphthol, the potassium ferrocyanide and the sodium nitrite are added into the ethanol and uniformly stirred, liquid and residue are then filtered, the filtrate is further quantitatively filled into a tank, a valve is mounted, the freon-11 and the freon-12 are further filled into the tank, so that the spray agent is obtained, and the proportion of the filtrate, the freon-11 and the freon-12 by part is 1:2:2. When in use, the metal antirusting spray agent is forcibly shaken to become uniform, the valve is pressed, so that the metal antirusting spray agent is sprayed on a piece of packaging paper or a packaging carton, the content of the metal antirusting spray agent on the paper is 6g/m2 to 8g/m2, a piece of antirusting paper is obtained after a few minutes, and thereby various packaging can be done.

The invention discloses a switch cabinet condensation prevention device comprising a cabinet body. The outer surface of the cabinet body is provided with a heat preservation layer. The top of the inner side of the cabinet body is conical, and the inner wall of the cabinet body is provided with multiple grooves along the vertical direction. The lower part of the cabinet body is provided with inclined drain holes. The grooves are internally provided with cold iron bars. Semiconductor refrigeration sheets are arranged between the cold iron bars and the grooves. The inner wall of the cabinet bodyis provided with a first temperature sensor. The cabinet body is internally provided with a dew point instrument which is used for detecting the inner air temperature. The outer surface of the electrical equipment in the cabinet body is provided with a second temperature sensor. The cabinet body is internally provided with a drying mechanism which is used for drying the electrical equipment. The cold iron bars of which the temperature is lower than that of the surface of the electrical equipment in the switch cabinet can be provided and the condensation phenomenon is enabled to occur on the surface of the cold iron bars by priority so that the probability of condensation on the electrical equipment in the switch cabinet can be greatly reduced; besides, the electrical equipment can be driedby using the drying mechanism in the cabinet body so as to further avoid the condensation phenomenon on the electrical equipment.

The invention belongs to the technical field of auto parts, and particularly relates to a manufacturing method of a rustproof alloy wheel hub. The manufacturing method of the rustproof alloy wheel hubcomprises the following steps that A, an aluminum alloy material is heated to a liquid state, zirconium oxide is added into an aluminum alloy solution, and even stirring is conducted; B, a solution obtained in the step A is injected into a wheel hub mold for two passes of cooling, the temperature in the first pass of cooling is 665 DEG C to 670 DEG C, and the temperature in the second pass of cooling is the room temperature; C, a cooling-formed semi-finished wheel hub is separated from the mold, the outer side of the semi-finished wheel hub faces downwards, half immersed in wax film rustproofoil liquid for a period of time and then taken out for still standing; D, the inner side of the semi-finished wheel hub obtained in the step C is sprayed with rustproof liquid; and E, the semi-finished wheel hub obtained in the step D is subjected to overall film coating through activated carbon, and thus a finished wheel hub is obtained. The wheel hub manufactured through the manufacturing method is resistant to the high temperature and corrosion, can resist corrosion of various corrosive substances of gas, liquid and solid, and is not prone to rusting.

The invention discloses an environmentally friendly high-performance corrosion inhibitor for reinforcing steel bars. The environmentally friendly high-performance corrosion inhibitor for reinforcing steel bars consists of the following raw materials in parts by weight: sodium benzoate 5-20 parts, sodium silicate 5-8 parts, gluconic acid 2-7 parts, dicyclohexyl amine nitrite 5-15 parts, flyash 4-12 parts, nitrite 7-14 parts, sodium hexametaphosphate 5-10 parts, diethylenetriamine 6-12 parts, sodium molybdate 2-8 parts, sodium citrate 2-4 parts, sodium monofluorophosphate 5-8 parts, gluconate 1-10 parts and borate 1-5 parts. The environmentally friendly high-performance corrosion inhibitor for reinforcing steel bars is good in corrosion inhibition effect and does not have bad influence on performance of concrete.

The invention belongs to the technical field of grinding machining oil and relates to gear precision grinding oil and a preparation method thereof. The gear precision grinding machining oil comprises the following components of: secondary hydrogenation paraffin-based mineral oil, pentaerythritol oleate, high-base-number calcium sulfonate, sulfurized fatty acid ester, high-molecular polyisobutene and an antioxidant. The preparation method of the gear precision grinding machining oil comprises the following steps of: putting secondary hydrogenation paraffin-based mineral oil and an antioxidant into a container, heating the materials to 40-50 DEG C, and stirring the materials until the materials is transparent; stopping heating, adding sulfurized fatty acid ester and high-molecular polyisobutene into the container, and performing stirring until the mixture is transparent; adding pentaerythritol oleate and high-base-number calcium sulfonate into the container, and performing stirring until the mixture is transparent; and filtering the liquid in the container, and taking filtrate to obtain the gear precision grinding machining oil. The gear precision grinding machining oil is small in harm to the environment and human bodies, good in lubricating performance, high in rust resistance, corrosion resistance and the like, and capable of reducing the machining precision of workpieces.

The invention relates to the technical field of couplings, in particular to an oiling rust-proof coupling. The oiling rust-proof coupling comprises a left half coupling body and a right half coupling body. The right half coupling body is arranged on one side of the left half coupling body. The oiling rust-proof coupling further comprises a sealing end cover, and fixed through holes are formed in the sealing end cover, the left half coupling body and the right half coupling body; the sealing end cover is fixedly connected with the left half coupling body and the right half coupling body through fixed bolts; and oiling holes are formed in the sealing end cover. The oiling rust-proof coupling has a good rust-proof function, the problems that due to the fact that the oiling rust-proof coupling is not used for a long time, rusty spots are generated, and dismounting is not easy are solved, and the service life of the coupling is effectively prolonged.

The invention provides an environment-friendly phosphomolybdate antirust paint, which is composed of the following components by weight percentage: 10% to 50% of alkyd or phenolic resin, 3% to 30% of phosphomolybdate antirust pigment, antirust 3% to 27% of rust pigment, 10% to 50% of filler, 0.2% to 1.0% of organic bentonite, 0.2% to 1.5% of auxiliary agent, 0.2% to 3% of metal desiccant, and 15% to 40% of solvent. The invention has better anti-rust effect, is environmentally friendly and practical, does not use red lead powder banned internationally, has better salt spray resistance than alkyd red lead anti-rust paint, has no irritating smell, is beneficial to the health of construction workers, and is an environmentally friendly , anti-rust paint that is non-toxic to the environment.

The invention provides waterborne environment-friendly epoxy zinc-rich primer and a preparation method thereof. The waterborne environment-friendly epoxy zinc-rich primer is prepared from the following components by weight percent: 40 to 50 percent of waterborne epoxy resin, 15 to 20 percent of antirust agent, 10 to 15 percent of inorganic filler, 15 to 20 percent of water, 0.8 to 1.2 percent of co-solvent, 0.4 to 0.6 percent of dispersing agent, 0.2 to 0.3 percent of moisturizing agent, 0.2 to 0.3 percent of flatting agent, 0.1 to 0.16 percent of defoaming agent, 0.4 to 0.6 percent of thickening agent and 0.3 to 0.4 percent of anti-settling agent. The antirust agent is prepared from zinc powder, zinc oxide and zinc phosphate. The preparation method comprises the following steps: 1) uniformly mixing and stirring the antirust agent, the inorganic filler and the water, wherein the stirring time is 25 to 35 min, grinding, and obtaining a mixture A; and 2) adding waterborne epoxy resin into the mixture A, uniformly stirring for 25 to 35 min, then adding the co-solvent, the dispersing agent, the moisturizing agent, the flatting agent, the defoaming agent, the thickening agent and the anti-settling agent, and uniformly mixing, thus obtaining the waterborne environment-friendly epoxy zinc-rich primer. The primer is environmentally friendly, economical and good in antirust performance.