35results about How to "Improve anti-corrosion efficiency" patented technology

The invention provides a thin-coating two-component anticorrosive coating for the surface of a precise steel structural part, wherein the two-component anticorrosive coating is composed of a componentA and a component B. The component A is composed of an epoxy resin liquid, graphene slurry, a zinc powder, flaky pigments and fillers, an auxiliary agent and a diluent. The component B is composed ofa polyamide curing agent and a mixture of xylene, n-butanol and cyclohexanone. The component A and the component B are evenly mixed according to the weight ratio of (5-15):1. The graphene slurry is prepared by adding powdery graphene and a dispersant into a mixed solvent under a stirring state, and dispersing in an ultrasonic oscillator to obtain the stable dispersed slurry. A coating layer has excellent cathodic protection effect, can be thin-coated to about 10-15 microns, still has good corrosion resistance, and can partly replace traditional phosphorization and oxidation processes.

The invention discloses a compound of a metal organic framework encapsulation corrosion inhibitor and a preparation method and application thereof. The compound is composed of a ZIF metal organic framework material and the corrosion inhibitor encapsulated in the ZIF metal organic framework material. A composite material system is applied to a sea wave splashing zone, and carbon steel or a metal product make a metal organic framework generate defects due to the local acidic environment in the initial stage of dry-wet circulation alternating corrosion, so that the corrosion inhibitor is released, and targeted protection of a corrosion-induced region can be realized. Furthermore, the copper ion modified thiazole corrosion inhibitor is encapsulated in the metal organic framework so that highertransfer capacity can be obtained. Meanwhile, copper ions are desorbed from a pre-coordinated corrosion inhibitor shielding site under an acidic microenvironment, and microbial corrosion caused by growth of various aerobic bacteria on the surface of a substrate can be further inhibited. The corrosion inhibition system is high in targeting property, efficient, durable, high in cost performance, remarkable in application value and wide in market prospect.

The invention discloses an environment-friendly functional paint capable of purifying indoor air and an application. The environment-friendly functional paint adopts a tourmaline passive (hydroxyl) negative ion generation material as a main material, and adopts a processing method of a gas-flow crushing process system to prepare tourmaline powder. The environment-friendly functional paint disclosed by the invention has the advantages that TF-600 heat-conducting powder of a heat-conducting material is used as an additive of the tourmaline powder, not only is the heat conductivity coefficient increased, but also the processability is good, and the compatibility and the dispersity of the product are improved; graphene is used as the additive of the tourmaline powder, and is composited with the TF-600 heat-conducting powder for utilization, the complementation of advantages can be achieved, the heat resistance of infrared particles can be reduced, and the heat conductivity and the heat radiation coefficient are extremely high. After coating into the film, the environment-friendly functional paint not only has high strength, durable and wear-resistant effects and excellent decorative effect, but also can increase the concentration of negative ions in the air, has the effects of decomposing and eliminating toxic and harmful gases such as formaldehyde, ammonia, benzene and TVOC released by various indoor decorating and fitting materials and furniture and the like, and has the effects of humidifying, deodorizing and purifying indoor air.

The invention relates to the field of pipeline anti-corrosion, in particular to a pipeline internal anti-corrosion device which includes a carrying trolley for moving in the axial direction of a pipeline, a feeding mechanism arranged on the carrying trolley, a paint transfer mechanism, an automatic spraying mechanism, a rotating driving mechanism and an automatic screeding mechanism. Anti-corrosion paint is put in the feeding mechanism, the feeding mechanism is used for supplying the anti-corrosion paint and stirring the anti-corrosion paint evenly. The output end of the feeding mechanism is connected with the input end of the paint transfer mechanism, the output end of the paint transfer mechanism is connected with the input end of the automatic spraying mechanism which is used to executethe pipeline inner wall spraying work, the output end of the rotating driving mechanism is connected with the automatic spraying mechanism in a transmission mode, the rotating driving mechanism is used to drive the automatic spraying mechanism to rotate, and the automatic screeding mechanism rotates synchronously with the automatic spraying mechanism for screeding the paint sprayed on the inner wall of the pipeline. After the automatic spraying mechanism works, the automatic screeding mechanism is used to screed a coating immediately, the paint is evenly coated on the inner wall of the pipeline without spiral joints, and missing-spraying is avoided.

The invention provides a high-efficient, environmentally-friendly, anti-corrosion and waterproof coating for a subway shield segment and a preparation method thereof and relates to the technical fieldof coatings. The coating is prepared from a material A: 35 to 50 parts by weight of modified epoxy resin, 5 to 10 parts by weight of nano-zinc oxide, 5 to 8 parts by weight of chitosan, 15 to 20 parts by weight of nanometer light calcium carbonate, 10 to 15 parts by weight of nano-silica, 20 to 35 parts by weight of a styrene-acrylic emulsion, 15 to 25 parts by weight of titanium dioxide, 0.5 to1 part by weight of paraffin, 0.5 to 1 part of calcium stearate, 5 to 12 parts by weight of silicone oil, 3 to 5 parts by weight of polyacrylic acid, 5 to 8 parts by weight of texanol, 5 to 7 parts byweight of disodium EDTA, 3 to 5 parts by weight of sorbic acid, 5 to 10 parts by weight of cassia bark extract and 3 to 8 parts by weight of a flame retardant. The coating has the characteristics ofstrong weather resistance and low use cost and is waterproof, efficient, anticorrosion and environmentally friendly.

The invention discloses a novel multifunctional scale inhibitor for leachate deep treatment. The novel multifunctional scale inhibitor comprises the following ingredients in percentage by mass: 3 to 15 percent of imidazoline corrosion inhibitors, 5 to 20 percent of acrylic acid- acrylic ester ternary polymers, 10 to 25 percent of alkyl epoxy carboxylate, 3 to 10 percent of polyepoxysuccinic acid, 3 to 15 percent of polyaspartic acid and 30 to 70 percent of water. The novel multifunctional scale inhibitor is invented by specially aiming at the characteristics of high hardness, high alkalinity, high heavy metal pollution concentration of the landfill leachate wastewater; ingredients with certain scale inhibition, dispersion and corrosion inhibition effects are compounded; the synergistic interaction effect is achieved. The novel multifunctional scale inhibitor has the advantages that the price is low; the cost is low; the good effects are achieved on the corrosion inhibition of the metal pipeline in the leachate deep treatment and the scale inhibition of a reverse osmosis membrane.

The invention discloses a steel structure anti-corrosion treatment method. The steel structure anti-corrosion treatment method comprises the following steps that S1, surface pretreatment of the steelstructure is performed, specifically, grease and floating rust on the surface of the steel structure are removed; S2, detection of the surface of the steel structure is performed, specifically, the outer surface of the steel structure is detected, and anti-corrosion treatment is performed after the outer surface of the steel structure is qualified through detection; S3, steel structure surface anti-corrosion treatment is performed, specifically, bottom layer anti-corrosion treatment, middle layer anti-corrosion treatment and outer layer anti-corrosion treatment are performed on the steel structure surface; and S4, steel structure quality inspection and acceptance are performed, specifically, quality qualification inspection is performed on the steel structure treated in the S3, and acceptance is performed after the steel structure is qualified through inspection. The surface of the steel structure is pretreated, grease and floating rust on the surface of the steel structure are conveniently removed, the cleanliness of the surface of the steel structure is improved, the surface of the steel structure is conveniently subjected to anti-corrosion treatment, the attachment degree of paint and the surface of the steel structure during anti-corrosion treatment is increased, and the spraying effect is improved.

The invention discloses a preparation method for a polyaniline/salicylaldehyde modified chitosan corrosion inhibitor. The method comprises the steps that a certain amount of chitosan is dissolved in an acetic acid solution firstly, then a certain amount of a salicylaldehyde ethanol solution is added into the mixed solution, and under the condition that heating and stirring are carried out, reacting is carried out for a certain time to obtain the salicylaldehyde modified chitosan; and then a certain amount of aniline and a certain amount of sulfamic acid are sequentially added into the mixture,after the mixed solution is uniformly stirred, a certain amount of an acetic acid solution with an ammonium persulfate is added into the mixed solution, and after the reaction is finished, filtering,washing and filter cake drying are carried out to obtain the polyaniline/salicylaldehyde modified chitosan corrosion inhibitor.

The invention discloses a metal anti-rust emulsion including the following raw materials: phthaloyl amidoacetic acid alcoholamine salt, acetyl triethyl citrate, tetrabutylammonium acetate, an antifoaming agent, a surfactant, methyl hydroxyethyl cellulose, aqueous resin and water. The invention also provides a preparation method of the metal anti-rust emulsion, and the method comprising the steps of: adding the phthaloyl amidoacetic acid alcoholamine salt, the acetyl triethyl citrate and the tetrabutylammonium acetate into the water, heating and stirring uniformly to prepare a prefabrication material A; adjusting the pH of the aqueous resin to 7.5 to 9, adding the prefabrication material A, then adding the antifoaming agent, the surfactant and the methyl hydroxyethyl cellulose, and uniformly stirring to obtain the metal anti-rust emulsion. The metal anti-rust emulsion is good in film forming property, strong in adhesive force, high in anti-corrosion efficiency, green and environmentally-friendly.

A preservative for oat preservation and a preparation method thereof. According to the percentage by weight, the formula is as follows: Artemisia argyi essential oil 1-5%, tea tree leaf extract 1-3%, Panax notoginseng extract 2-3%, toluene Sodium sulfonate 0.8-1.2%, triethanolamine 1.5-2%, sodium citrate 0.2-0.6%, gibberellin 0.012-0.015%, sodium acrylate 0.7-1.0%, isopropanol 0.3-0.5%, pyridine 0.2-0.4 %, the rest is water. The preservative provided by the invention can effectively prevent mildew during the oat preservation process and prolong the shelf life of the oat, and the extract prepared by the preparation method can greatly preserve the active ingredients of the oat and improve the antiseptic efficiency.

The invention discloses rust-proof treatment liquid which comprises phthaloyl imino pentanoic acid, citric acid, tetrabutyl acetic acid, phytic acid, pentaerythritol, sodium molybdate, defoaming agents, surface active agents and water. The invention further provides a preparation method of the rust-proof treatment liquid. The preparation method includes the steps: uniformly mixing the phthaloyl imino pentanoic acid, the citric acid, the tetrabutyl acetic acid, the phytic acid, pentaerythritol and methylbenzene, and removing the methylbenzene and the water after reflux reaction to prepare a prefabricated material A; heating and uniformly stirring the prefabricated material A, the sodium molybdate, the defoaming agents, the surface active agents and the water to prepare the rust-proof treatment liquid. The rust-proof treatment liquid is high in metal corrosion protection efficiency, safe and environmentally friendly.

The invention discloses a neodymium iron boron magnet with good corrosion resistance, comprising a base, wherein a supporting column is fixedly connected to an upper surface of the base, fixing platesare fixedly connected to left and right side faces of the supporting column, through holes are formed in the upper surfaces of the fixing plates, a fixing hole is formed in the upper surface of the base, a fixing rod is arranged in the fixing hole, the fixing rod is clamped in the fixing hole, the fixing rod passes through the through holes and extends into the fixing hole, a first magnet block is fixedly connected to an inner bottom wall of the fixing hole, a second magnet block is fixedly connected to a bottom surface of the fixing rod, a neodymium iron boron magnet is placed on the upper surface of the supporting column, and a galvanized layer is arranged on an outer surface of the neodymium iron boron magnet. The neodymium iron boron magnet disclosed by the invention has a reasonabledesign structure, an anti-corrosion effect of the neodymium iron boron magnet can be achieved by electroplating a nickeled layer and the galvanized layer, so that the protectiveness of the neodymium iron boron magnet is improved, and the galvanized layer improves the corrosion resistance of the neodymium iron boron magnet.

The invention relates to the technical field of petroleum asphalt preparation, and discloses a production method of SMA high-elastic modified asphalt for a steel bridge deck, which comprises the following working steps: 1, preparing a component A raw material; 2, preparing a component B raw material; and 3, mixing the component A raw material and the component B raw material according to a weight ratio of 1: (0.4-1.2). According to the production method of the SMA high-elastic modified asphalt for the steel bridge deck, anticorrosive petroleum asphalt is prepared by mixing a component A raw material and a component B raw material, and the component A raw material is prepared from 70 # asphalt, rosin soap, an emulsifier, sodium hydroxide, a defoaming agent, a thickening agent, water, bentonite, an epoxy curing agent, glass flakes and the like; the component B is prepared from the following raw materials: acrylic emulsion, styrene-butadiene latex, a defoaming agent, a coalescing agent, a flatting agent, an anti-flash-rust agent, a thickening agent, a solvent, a processing agent and the like, so that not only is the corrosion prevention efficiency of the petroleum asphalt improved, but also the adhesion efficiency of the petroleum asphalt is improved.

The invention relates to a surface treatment device for a hardware tool after forming. The surface treatment device comprises a bottom plate, a soaking device and clamping devices, wherein the soakingdevice is arranged in the middle of the bottom plate; sliding grooves are formed in the two ends of the bottom plate; the clamping devices are arranged in the sliding grooves in a sliding fit mode; and the clamping devices are positioned above the soaking device. According to the surface treatment device, the problems that according to existing sleeve surface anti-corrosion treatment device, a sleeve is thrown into an alloy catalyst liquid pool, so that all surfaces of the sleeve cannot be in contact with alloy catalyst liquid, all the surfaces of the sleeve cannot be in uniform contact withthe alloy catalyst liquid through rotation, the anti-corrosion treatment effect of the sleeve is influenced, the sleeve cannot be quickly clamped out when the sleeve soaking anti-corrosion treatment is completed, the sleeve cannot be well supported aiming at the hexagonal structure in the sleeve, so that the alloy catalyst liquid cannot flow to soak all the surfaces of the sleeve, the anti-corrosion treatment efficiency is low, and the anti-corrosion effect is poor can be solved.

Disclosed are a preservative for preserving peony seed oil and a preparation method thereof. The preservative comprises the following components in percentage by weight: 3-7% of artemisia argyi volatile oil, 1-3% of a peony juice extract, 2-3% of a peony seed shell extract, 0.8-1.2% of benzoic acid, 1.5-2% of glycerol, 0.2-0.6% of citric acid, 0.012-0.015% of gibberellin, 0.7-1.0% of sodium dehydroacetate and the balance of water. The preparation method comprises the steps of preparing the artemisia argyi volatile oil, the peony juice extract and the peony seed shell extract respectively, mixing the volatile oil and the extracts with the benzoic acid, glycerol, citric acid, gibberellins and sodium dehydroacetate, and dissolving the mixture in water. The provided preservative can effectively prolong the preservation time, and keep the color, transparency, demixing phenomenon and odor superior to those not added with a preservative or added with a common preservative; any corrupt component is not detected in relevant chemical detection, and eaters of the preservative do not have any adverse response or discomfort symptoms in a tracking survey.

The invention discloses an automatic control platform of a pipeline anti-corrosion heat-preservation glass fiber laying device. The automatic control platform comprises a fixing base, a first fixing frame, a second fixing frame, a driving module and a control machine body, wherein the first fixing frame and the second fixing frame are separately and fixedly arranged on the fixing base, the driving module is arranged between the first fixing frame and the second fixing frame, the first fixing frame is provided with a first supporting shaft capable of sliding in a telescopic mode, the second fixing frame is provided with a second supporting shaft capable of sliding in a telescopic mode, the first supporting shaft and the second supporting shaft are connected together in a butt joint mode after sliding, the control machine body slides on the first supporting shaft and the second supporting shaft, the interior of a pipeline can be cleaned and painted through sliding of the control machine body, then anti-corrosion operation is completed, the anti-corrosion efficiency of the pipeline is greatly improved, and the anti-corrosion cost is reduced.

The invention relates to a preservative for canned yellow peaches and a preparation method of the preservative. The preservative adopting the formula consists of the following components in percentage by weight: 2-5% of diacetate, 1-3% of a yellow peach leaf extract, 3-5% of lysozyme, 0.5-1.0% of benzoic acid, 1.2-1.5% of cassia oil, 0.2-0.6% of citric acid, 0.8-1.2% of gibberellin, 0.7-1.0% of nisin and the balance of water. The preparation method comprises the following steps of preparing the yellow peach leaf extract, preparing the cassia oil, and preparing the preservative. The preservative prepared by the method disclosed by the invention is used for preserving canned yellow peaches, so that the preservation time can be effectively prolonged, the transparency, the stratification and the smell of the canned yellow peaches preserved by using the preservative are better than those of canned yellow peaches free from addition of preservatives or being preserved by using a common preservative, any corruption components are not detected through relevant chemical detection, and the preservative cannot cause any adverse reactions or discomfort symptoms for eaters through follow-up investigation.