79results about How to "Improve anti-corrosion effect" patented technology

The invention provides a water-based metal rust inhibitor and a preparation method thereof. The rust inhibitor comprises sorbitan monooleate, inositol hexaphosphate, zinc dihydrogen phosphate, acrylamide, glutamic acid, dinonyl-naphthalenesulfonate, dicyclohexylamine, octadecylamine oleyl sarcosinate, oxidized barium petrotate, sodium ethylenediamine teramethylene phosphonate, 1-hydroxyethylidene, dimethylaminoethyl acrylate, sulfomethylated polyacrylamide, a film forming agent and deionized water. The preparation method comprises the steps of firstly, mixing sorbitan monooleate, inositol hexaphosphate, zinc dihydrogen phosphate and water, and adding octadecylamine oleyl sarcosinate; then, adding acrylamide, glutamic acid, dinonyl-naphthalenesulfonate, dicyclohexylamine and oxidized barium petrotate into the deionized water, and adding 1-hydroxyethylidene; and mixing a mixture I and a mixture II, and adding the left components to obtain the water-based metal rust inhibitor. The rust inhibitor can be attached to the surface of metal, so that the metal has better wear resistance and corrosion resistance.

The invention discloses a water-soluble metal antirusting agent and a preparation method thereof. The water-soluble metal antirusting agent contains a film-forming agent, wherein the film-forming agent is formed by fatty acid with C4-C20, alcohol amine and phosphate ester with C8-C18. According to the water-soluble metal antirusting agent disclosed by the embodiment of the invention, no harm is caused to a human body, energy is saved, the environmentally-friendly requirement is met, the preparation process is simple, and the water-soluble metal antirusting agent disclosed by invention contains the film-forming agent and can be adhered onto a metal surface, so that the water-soluble metal antirusting agent disclosed by the invention has the advantages of better abrasion resistance and antirusting performance.

The invention discloses a rustproof maintaining device for a steel wire rope specially for a scientific expedition ship. The device comprises a cleaning device used for cleaning the steel wire rope with seawater, a drying device used for drying the cleaned steel wire rope, a winding device used for driving the telescoping of the steel wire rope, and a controller. The invention also discloses a rustproof maintenance method for the steel wire rope specially for the scientific expedition ship. The method includes: after a direction sensor detects the winding direction of the steel wire rope, detection signals are sent to the controller, the controller receives the detection signals and sends starting signals used for driving the cleaning device, the drying device, and a rustproof fluid adding device to maintain the steel wire rope to the cleaning device, the drying device, and the rustproof fluid adding device, and the cleaning device, the drying device, and the rustproof fluid adding device start to operate and maintain the wound steel wire rope. According to the maintaining device and the maintenance method, the steel wire rope can be recovered and automatically cleaned, dried, and oiled, and the automation degree is high.

The invention relates to martensite stainless steel for manufacture of a scalpel blade and a manufacturing method of the martensite stainless steel. The martensite stainless steel is prepared from, byweight, 0.65-0.70% of C, smaller than or equal to 0.5% of Si, 0.4-0.7% of Mn, smaller than or equal to 0.03% of P, smaller than or equal to 0.025% of S, smaller than or equal to 0.5% of Ni, 13.0-13.5% of Cr, 0.8-1.2% of Mo, 0.08-0.12% of V and the balance Fe and other inevitable impurities. The hardness reaches HV700 or above after quenching and tempering are completed, meanwhile, the carbon content of the martensite stainless steel is controlled within a reasonable range in order to avoid adverse influences caused by increase of the carbon content in the prior art, and the anti-corrosion effect is good.

The invention provides a quenching method for deformed steel bars. The method comprises the following steps: after heating the deformed steel bars to 960-980 DEG C, preserving the heat for 1-2 h; and immerging into a quenching agent for quenching, wherein the quenching time is 3-5 s, and the quenching agent is composed of the following components by mass: 5-7% of industrial sodium chloride, 1-2% of sodium nitrate, 1-2% of potassium sulfate, and the rest of distilled water. Through the application of the quenching method for deformed steel bars to quench, the obtained deformed steel bars have excellent rust-proof performance, the performance of an oxide skin is improved, and the quenching method is simple and convenient to use.

The invention discloses a scientific expedition ship with a steel wire rope rustproof maintaining device. The scientific expedition ship comprises a ship body and the steel wire rope rustproof maintaining device, the steel wire rope rustproof maintaining device comprises a cleaning device used for cleaning a steel wire rope with seawater, a drying device used for drying the cleaned steel wire rope, and a winding device used for driving the telescoping of the steel wire rope, and the steel wire rope rustproof maintaining device also comprises a controller. The invention also discloses a steel wire rope rustproof maintenance method specially for the scientific expedition ship. The method includes: after a direction sensor detects the winding direction of the steel wire rope, detection signals are sent to the controller, the controller receives the detection signals and sends starting signals used for driving the cleaning device, the drying device, and a rustproof fluid adding device to maintain the steel wire rope to the cleaning device, the drying device, and the rustproof fluid adding device, and the cleaning device, the drying device, and the rustproof fluid adding device start to operate and maintain the wound steel wire rope. The steel wire rope can be recovered and automatically cleaned, dried, and oiled, and the automation degree is high.

The invention provides a deformed steel bar quenching technique which is characterized in that after a deformed steel bar is heated to 800-950 DEG C, the temperature is kept for 30-50 minutes, then the deformed steel bar is immersed into a quenching agent for quenching, and the quenching time lasts for 2-4 s; the quenching agent comprises the following components in percent by mass: 4-6 percent of potassium dihydrogen phosphate, 1-2 percent of sodium nitrate, 10-15 percent of sodium carbonate, 6-8 percent of industrial sodium chloride and distilled water as the rest. By using the deformed steel bar quenching technique for quenching, the deformed steel bar obtained is excellent in rust protection performance, and the quenching technique provided by the invention is simple and convenient to use.

The invention relates to the technical field of lubricating greases and discloses a composition of an electronic sewing machine driving mechanism lubricating grease. The composition comprises the following components in percentage by mass: 75-80% of basic oil and 20-25% of a thickening agent, and the following additives in percentage by mass are put into the composition according to the total amount of the two components: 2% of a dispersant, 3% of an extreme pressure anti-wear reagent, 2% of an antirusting agent, 1% of an antioxidant and 5% of a solid lubricant. The preparation method of the composition of the electronic sewing machine driving mechanism lubricating grease comprises the following steps: respectively putting 75-80% of water-soluble polyether, 20-25% of a composite lithium soap and 2.5-3.5% of dialkyl molybdenum dithiocarbamate into a reaction kettle, starting stirring, heating to 95-100 DEG C, stirring for 60 minutes, increasing the temperature to 130-140 DEG C, and stirring for 40-60 minutes. The obtained electronic sewing machine driving mechanism lubricating grease has excellent adhesiveness, load resistance, shearing resistance, wearing reduction and rusting erosion resistance, and is applicable to contact friction of metals within a temperature range of minus 30 DEG C to 180 DEG C and plastics or metals and metals.

The invention discloses an injectable reinforcement material used for masonry structure reinforcement, which is prepared from the following raw materials by mass: 20%-25% of cement, 2%-5% of silica fume, 2%-4% of fly ash, 0.10%-0.15% of a super plasticizer, 1%-2% of an expansive agent, 0.05%-0.1% of cellulose ether, 0.05%-0.1% of anti-cracking fiber, 50%-60% of glass beads and 10%-15% of graded sand. The cement is 42.5 ordinary Portland cement, the silica fume is active silica fume with effective SiO2 content greater than 90%, and the fly ash is first-grade low calcium fly ash. The formula design of the injectable reinforcement material not only considers properties of a material its own, and also gives consideration to the matching performance of a masonry structure material and the material, and the compatibility and durability of a reinforcement system are obviously better than those of a conventional modified cement mortar reinforcement system; the injectable reinforcement material has good pumping performance, and is suitable for mechanized injecting construction.

The invention discloses an anti-slipping anchor for a foundation of a split mounting type tower crane, which comprises an anchor ring and a clamp plate in the anchor ring. Threads are arranged on the periphery of a clamping end of the anchor ring, matching threads are arranged on an inner peripheral surface of a clamping cap, the clamping cap is connected to the clamping end of the anchor ring in a threaded manner, and a connecting object piercing hole is arranged at the top of the clamping cap. The anti-slipping anchor has a good anti-slipping effect, furthermore, the structure of an existing anchor does not need to be changed, only the threads are arranged on the periphery of the clamping end of the anchor ring, the clamping cap is connected to the clamping end of the anchor ring to tightly jack the clamp plate, and accordingly the anti-slipping anchor is simple in manufacture and low in cost. A sealing ring is arranged on the inner periphery of the connecting object piercing hole at the top of the clamping cap, rainwater can be effectively prevented from entering the connecting object piercing hole, and a corrosion prevention effect is good.

The invention provides a silicon-containing organic engine coolant, which comprise, by weight, 25-55 parts of ethylene glycol, 2-10 parts of a carboxylate, 0.1-5 parts of a silicate, 0.1-5 parts of asilicate stabilizer, 0.5-10 parts of a corrosion inhibitor, 0.2-2 parts of a preservative, 0.5-2 parts of an antifoaming agent, and 30-70 parts of deionized water. According to the present invention,the silicon-containing organic engine coolant can well protect the metal and non-metal materials of the engine cooling system, can effectively prevent corrosion and water scale, and has stability andlong service life within a large pH value range.

The invention discloses powder coating having an excellent antirust effect and used for a pump valve. The powder coating is prepared from raw materials in parts by weight as follows: 52-54 parts of polyester resin, 7-8 parts of fluorocarbon resin, 4-5 parts of triglycidyl isocyanurate, 13-15 parts of nano aluminum oxide, 0.8-0.9 parts of perfluoro octyl triethoxysilicane, 25-30 parts of an ethanol solution with the concentration being 75wt%, 0.5-0.6 parts of a silane coupling agent kh560, 0.8-1 part of polyethylene wax, 1.2-1.5 parts of a polyacrylate leveling agent, 6-8 parts of superfine zinc powder, 2-3 parts of an ethylene-chlorotrifluoroethylene copolymer, 2-3 parts of polyvinylpyrrolidone, 13-15 parts of barium sulfate, 3-4 parts of mica iron oxide and a proper amount of water. The powder coating has excellent comprehensive performance, the film forming speed is high, the antirust effect of the powder coating is further improved due to addition of the superfine zinc powder and mica iron oxide, and a coating layer is tough and firm and not prone to peeling, has a smooth surface and is free of pinholes, safe and environment-friendly.

The invention discloses a noise reduction and elimination type box-type substation shell. The shell comprises an outer shell, a top cover, a supporting base and supporting legs, the top cover is fixedto the top of the outer shell, the supporting base is fixed to the bottom of the outer shell, heat dissipation holes are formed in the supporting base, the top cover and the supporting base enclose the outer shell into a closed box-type structure, and the supporting legs are fixed to the bottom end face of the supporting base; the outer shell is formed by sequentially connecting four wallboards,a movable door is connected to any wallboard, a sound absorption patch is bonded to the movable door, each wallboard comprises a sound attenuation layer, an electromagnetic shielding layer, a vacuum layer, a heat dissipation layer and an outer protection layer which are sequentially arranged from inside to outside, and the sound absorption layers, the electromagnetic shielding layers, the vacuum layers, the heat dissipation layers and the outer protection layers are fixedly connected with one another. The noise reduction and elimination type box-type substation shell is simple in structure, reasonable in design, high in overall structure compactness, good in sound insulation and noise reduction performance, high in heat dissipation efficiency, high in use safety and good in market application prospect.

The invention relates to a waterborne industrial rustproof color paste and a preparation method thereof, wherein the rustproof color paste comprises the following raw material components in parts by mass: 45-65% of pigment, 4-7% of wetting dispersant, 5-10% of humectant, 0.05-0.1% of stabilizer, 0.01-0.5% of defoaming agent, 1-2% of acidic complexing agent, 0.05-0.3% of bactericide, 0.2-0.3% of PHregulator and 10-40% of deionized water. The rustproof color paste prepared by using the preparation method is not only suitable for rustproofness of a steel surface with a rusted and hard oxide scale layer or an old paint film, but also suitable for rustproofness of a stainless steel surface if being added into a waterborne industrial coating. In addition, the rustproof color paste prepared by using the preparation method is also environment-friendly when being used and further has good compatibility with various common waterborne industrial coatings such as an alkyd primer and an epoxy ester primer as well as water-soluble resin.