99results about How to "Good anti-corrosion" patented technology

The invention relates to a nanometer silicon wall paint for an external wall, which is prepared by using the following raw materials by weight part: 20-40 parts of de-ionized water, 0.5-0.8 parts of dispersing agents, 0.1-0.3 parts of wetting agents, 0.1-0.3 parts of bactericides, 1-3 parts of anti-freezing agents, 0.1-0.2 parts of pH regulators, 0.2-0.4 parts of de-foaming agents, 15-25 parts of pigments, 15-25 parts of fillers, 5-8 parts of nanometer calcium carbonate, 0.2-0.4 parts of mildew preventives, 0.3-1.0 parts of thickening agents, 15-35 parts of silicone acrylic emulsions, 3-5 parts of organic silicon modified acrylic ester polymerized emulsions and 0.5-1.0 parts of film-forming auxiliaries. The nanometer silicon wall paint for the external wall has a hydrophobic self-cleaning effect and has super climate resistance.

The invention relates to an anticorrosive wear-resistant paint for oilfield pipelines. The paint is characterized by comprising the following components by weight: 25-35 parts of epoxy resin, 5-15 parts of organic silicon resin, 0.5-5 parts of ceramic micropowder, 10-20 parts of nano-graphite powder, 5-15 parts of an epoxy resin curing agent, and 10-20 parts of butanone. The paint provided by the invention can provide a protective coating with high corrosion resistance, wear resistance, high adhesion and impact resistance for various steel pipelines of oilfield.

The invention relates to a flood discharging method for anticorrosion and energy dissipation of a rotational flow ring dam and a device thereof. The device comprises a vertical well; the bottom of thevertical well is communicated with a horizontal energy dissipation hole; the energy dissipation hole is communicated with a flow guide hole; the inlet of the vertical well is provided with the ring dam; the inner ring of the ring dam is connected with a smooth contracted curved surface formed in the vertical well; the ring dam is externally provided with a plurality of flow guide piers; the central lines of the flow guide piers and the tangent lines of the flow guide piers form inclined angles Theta which is larger than and equal to 0 degree and is less than 45 degree; a connection part between the vertical well and the energy dissipation hole, which is relative to the energy dissipation hole, is provided with a space; the energy dissipation hole is provided with a water collecting pier and a contracting pier; and a plunge pool is arranged between the water collecting pier and the contracting pier. Because the flow guide piers are tangent with the edge of the ring dam or the flow guide piers are connected with the edge of the ring dam by forming a small angle, the water flow is rotary, and spiral flow moves in the vertical well. The invention has simple structure, convenient construction, less investment, no maintenance, good anticorrosion and energy dissipation effect, no pulverization phenomenon at the outlet of the flood discharging hole, and protects ecology environment.

The invention relates to octenyl succinic acid starch ester, a lipid-soluble nutrient microcapsule as well as a preparation method application of the lipid-soluble nutrient microcapsule. A preparationmethod of octenyl succinic acid starch ester comprises the step of carrying out esterification reaction on gelatinized starch and octenyl succinic anhydride in a cavitation emulsification process, soas to obtain octenyl succinic acid starch ester. According to the preparation method, the esterification reaction is promoted and intensified by virtue of the cavitation emulsification process, remarkably substitution occurs in a crystallization region and an amorphous region of the starch through the molecular collision of the collision between gelatinized starch and octenyl succinic anhydride,so that the esterification rate of prepared octenyl succinic acid starch ester is increased, and the emulsifying property is greatly improved. The method is rapid and efficient, and a hydrolysis stepis omitted after the esterification, so that the problems that molecular chains are damaged in different degrees due to the hydrolysis, the chain length and content of amylose are remarkably decreased, the compactness of a film formed by octenyl succinic acid starch ester is decreased, and the film easily absorbs moisture and conducts heat and is crispy are avoided, and the application performanceof octenyl succinic acid starch ester is improved.

The invention discloses an isotropic cold-rolled soft tinned plate and a production method thereof. The soft tinned plate comprises a primary plate and a tin coating, wherein the primary plate comprises the following chemical components in percentage by weight: 0.055-0.080% of C, at most 0.02% of Si, 0.55-0.65% of Mn, at most 0.015% of P, at most 0.012% of S, 0.005-0.025% of Als, at most 0.004% of N, and the balance of Fe and inevitable impurities. The production method sequentially comprises the following steps: molten iron desulfurization, converter smelting, RH vacuum treatment, continuous casting, hot continuous rolling, acid washing, cold rolling, electrolytic degreasing, full-hydrogen furnace cover annealing at 650-660 DEG C, flattening and electrotinning, wherein the cold rolling is performed by an HC rolling mill in a five-six pass mode, and the reduction rate is 85-93%. The tinned plate disclosed by the invention has the advantages of isotropy, low hardness value and high corrosion resistance; and the method is simple and convenient, and is low in cost and easy to implement.

An anodization-adapted aluminum alloy containing 2.0 to 3.5 wt % Mg and the remainder of 99.9 wt % or greater high-purity aluminum.

The invention discloses a corrosion-resistant soft cold-rolling tin plate and a production method thereof. The corrosion-resistant soft cold-rolling tin plate comprises the following chemical components by weight percent: 0.01%-0.04% of C, less than or equal to 0.02% of Si, 0.10%-0.40% of Mn, less than or equal to 0.01% of P, less than or equal to 0.012% of S, less than or equal to 0.011% of Sn, less than or equal to 0.01% of As, 0.005%-0.050% of solAl, less than or equal to 0.004% of N and the balancing of Fe and unavoidable impurities. The production method comprises the steps of hot-metal desulphurization, dephosphorization, converter melting, RH (Ruhrstahl-Heraes) vacuum treatment, continuous casting, continuous hot-rolling, pickling, cold-rolling, electrolytic degreasing, full-hydrogen furnace bell-type annealing (BA), leveling and electrotinning and the like. According to the practice, the uncoated tin plate base of the invention has the advantages of low hardness value and high corrosion resistance at the same time; since the production method thereof is based on the bell-type annealing manner, the production method of the invention has the advantages of low difficulty level of production control, low cost and easy implementation in large-scale production and helps users reduce the cost.

The invention discloses a titanium heat exchanger for an air conditioner, and a processing method thereof. The titanium heat exchanger comprises a heat exchange pipe and cooling fins. The surface of each cooling fin is provided with a TiO2-containing titanium coating, the titanium coating contains CuO and Ag2O, the mass percentage of CuO is 10%-15%, and the mass percentage of Ag2O is 10%-15%. When the light is sufficient, the titanium coating of the heat exchanger is decomposed under the photochemical catalysis of the ultraviolet light, and various organics attached on the titanium oxide surface are removed. When the light is insufficient, titanium oxide also can make the internal electrons excited to generate hydroxyl atomic groups and hydrogen peroxide under the action of nano silver and nano copper, so as to decompose the organics. Therefore the heat exchanger has long-term and stable effect of anti-bacterial and mildew-removal.

A bulletproof helmet free of connectors and hole connections is prepared as forming and distributing multi-group connection elements symmetrically to central axis in bulge free mode as per requirement of connection-fastening system at internal wall of casque shell when said shell is formed by nonmetal material, enabling to connect said system to said elements in separated way, using a regulation-fastening belt to connect said shell and said system together to form Y shaped three-way regulation-fastening unit with lower jaw part being able to be regulated dynamically.

This invention is a pre-made, re-closable, three-ply bag that has a clear serial number viewing window and is made from flexible packaging materials that collectively prevent corrosion from occurring on assets packaged within the bag while in transport or long-term storage. A VCI chemistry emitting film is used as the inner ply which surrounds the asset with corrosion preventive vapors. The center-play; provides ample cushioning and puncture resistance. The outer ply provides a strong puncture resistant vapor barrier which keeps corrosion causing elements from entering the bag and prevents corrosion inhibiting chemistry from escaping the bag. The use of a re-closable fastener enables asset packaging by un-skilled laborers as well as future asset inspection without compromising package integrity. Packing speed is forty times faster with this invention than previous methods. The invention also allows serial number verification without opening the package. Significant cost savings are achieved through its use.

The invention relates to a ground insulation device suitable for shields, which is characterized by comprising an insulating plate which is positioned below the bottom plate of the shield and horizontally arranged on concrete ground, wherein a steel base plate is arranged on the insulating plate; two parallel adjustment base plates, which are perpendicular to the ground, are arranged on the steel base plate, the inner side faces of the two adjustment base plates are fixedly provided with a channel steel, and the channel steel is welded on the bottom plate of the shield; the steel base plate and the insulating plate are arranged on the ground through an expansion bolt, an insulating tube is arranged around the expansion bolt, and insulating paint is arranged between the expansion bolt and the insulating tube as well as between the expansion bolt and the soil layer; and an insulating mat is arranged between the expansion bolt and the steel base plate. The invention has the advantages of high and stable insulation resistance, and firm connection between the shield and the ground, and can be widely used for ground insulation of other metal bodies fixed to the ground.

The invention relates to an automobile filter element which comprises a hollow cylindrical body and a frame, wherein the hollow cylindrical body is formed by longitudinally folding filter paper, the frame is arranged at the hollow inside of the body, and both axial ends of the body are respectively provided with two annular end surfaces. The invention is characterized in that the two annular end surfaces are respectively stuck with an end cover which is made of a non-woven fabric. In the technical scheme, the end cover is made of a non-woven fabric, thereby saving the material cost; since the non-woven fabric, which has favorable sealability and corrosion resistance, is directly attached to the annular end surface, the automobile filter element is more convenient for machining; since the non-woven fabric also has water resistance, the joints of the end covers and the frame do not need seal rings; and in addition, flanges, which bend to the filter paper and are coated on both ends of the filter paper, are not needed, thereby increasing the filtration area of the filter paper and enhancing the filtration effect.

The invention relates to a Larsen steel sheet pile cofferdam and a construction method thereof. The Larsen steel sheet pile cofferdam comprises a plurality of Larsen steel sheet piles which are adjacently spliced, the Larsen steel sheet piles form a U shape, and the open end of the U shape abuts against a river bank; the area defined by the Larsen steel sheet piles and the river bank is a backwater side, and the outer sides of the Larsen steel sheet piles are water-facing sides; backfill is arranged in the area defined by the Larsen steel sheet piles and the river bank, the top face of the backfill is flush with the top faces of the Larsen steel sheet piles, and an operation platform and a vehicle walking channel are formed; a buffer layer and an anti-corrosion plate are sequentially attached to the water-facing side of each Larsen steel sheet pile; and the adjacent anti-corrosion plates are overlapped at the joints of the adjacent Larsen steel sheet piles and are fixedly connected through fixing mechanisms. An anti-corrosion layer and a sponge layer are fixed to the water-facing sides, so that corrosion can be better prevented, the construction quality is guaranteed, and the service life is prolonged.

The invention provides a fireproof corrosion-resistant shock insulation support. The fireproof corrosion-resistant shock insulation support comprises an upper structure bearing platform, a lower foundation bearing platform, a lead core laminated rubber shock insulation support body, an outer wrapping rubber layer, an outer ring protection rubber layer, a fireproof coating layer, a flexible filling material and a connecting steel plate, Wherein the outer rubber wrapping layer is wrapped around the periphery of the lead core laminated rubber shock insulation support body and is connected with the connecting steel plate in a vulcanization mode, the outer ring protection rubber layer is arranged on the periphery of the outer rubber wrapping layer to form a ring shape and is connected with the outer rubber wrapping layer in a vulcanization mode, the space between the outer rubber wrapping layer and the outer ring protection rubber layer is filled with the flexible filling material, and the surface of the connecting steel plate is coated with the fireproof coating layer. The fireproof corrosion-resistant shock insulation support has the beneficial effects that the horizontal shock insulation performance of the lead core laminated rubber shock insulation support body is not affected, the vertical bearing capacity of a traditional lead core laminated rubber shock insulation support can be effectively protected in a fire disaster, and the deformation capacity of the lead core laminated rubber shock insulation support body in the horizontal direction is not affected.

The invention discloses a functional type powdery paint and a preparation method thereof. The functional type powdery paint is composed of the following components in parts by weight: 50 to 60 parts of resin, 3 to 5 parts of curing agent, 15 to 25.5 parts of silica micro powder/opal/graphene composite, 4 to 9 parts of titanium dioxide, and 3 to 6 parts of calcium carbonate. By adding a silica micro powder/opal/graphene composite into the powdery paint, under the synergetic effect of silica micro powder, opal, and graphene, the functions of the powdery paint such as negative ion releasing, sterilizing, air purifying, and the like, are enhanced; at the same time, the properties such as high temperature resistance, corrosion resistance, impact resistance, wear resistance, hardness, and the like, are strengthened; the powdery paint is enabled to have multiple functions; the application range of the powdery paint is enlarged; furthermore, the preparation technology is economic and practical, the preparation process is simple, the cost is low, no any special instrument or severe condition is needed, and massive production can be realized easily.

The invention relates to special paper for the surface of a fan blade and a preparation method for the special paper. The special paper is prepared from the following components in parts by weight: 10-30 parts of bleached softwood kraft pulp, 30-60 parts of bleached hardwood kraft pulp, 15-25 parts of filler, 5-12 parts of a pigment, 1.0-2.0 parts of a wet strength agent, 1.5-2.0 parts of a dry strength agent, 10-15 parts of a high-temperature-resistant flame retardant and 3-5 parts of a reinforcing agent. According to the special paper for the surface of the fan blade provided by the invention, the appearance of the fan blade of original material is more attractive and decent, thereby showing an incomparable visual effect. Compared with a wooden fan blade, the fan blade is improved in rigidity, and the wind effect is more stable and smooth, thereby greatly reducing the noise, and meanwhile, the fan is more high-grade and attractive. The special paper for the surface of the fan blade has very high mechanical strength, can be applied to fan blade equipment of turbines, fans, propellers and rotor wings of large machinery, has the characteristics of being good in wear resistance, corrosion resistance and high-temperature resistance, and has a good protective effect on the equipment.

The invention discloses an oil filling pipe assembly for an engine, which comprises an oil pipe main body, wherein a pipe opening is arranged at one end of the oil pipe main body; a flange is connected with the other end of the oil pipe main body; a pipe cap is in threaded connection with the pipe opening; and the oil pipe main body is a thin-wall stainless pipe which is formed through hydraulic molding processing. The oil filling pipe assembly for the engine has the advantages that the lightweight product is realized, the manufacturing cost is lowered, the product reliability is increased and the attractiveness of the appearance of the product is increased.

The invention discloses an insulation tape which comprises a substrate and a coating, wherein the substrate is made of a polyimide film; the thickness of the film is 0.025 mm-0.05 mm, the breakdown voltage is larger than 8 kV, the electric corrosion coefficient is 1.0, the ductility is larger than 65%, and the tensile strength is larger than 8N/mm; the coating is a binding agent, and the surface of the substrate is uniformly coated with the coating; and the thickness of the coating is smaller than 0.01 mm, and the stripping adhesive force of the coasting is smaller than 0.3 N/mm. With the adoption of the manner, the insulation tape has the advantages as follows: the insulation tape is simple in structure, excellent in electric insulation performance, size stability and heat resistance, corrosion-resistant, impact-resistant, solvent resistant, long in service life, firm and durable, large-scale production is facilitated, and the like. The insulation tape has a wide market prospect in popularization of insulation tapes.

The invention discloses engine cooling liquid. The engine cooling liquid comprises, by weight, 30-70 parts of ethylene glycol, 10-30 parts of propylene glycol, 0.5-1.5 parts of silicate, 0.2-0.8 part of petroleum sulfonate, 0.1-0.6 part of molybdate, 0.1-0.8 part of azole compound, 0.5-3 parts of preservatives, 0.1-0.5 part of silicate stabilizer, 0.4-1.2 parts of defoaming agent, 0.08-1 part of pH regulator, 0.01-0.02 part of dyeing agent, 0.2-0.6 part of dimethyl sulfoxide, 0.05-0.4 part of isothiazolinone and the balance deionized water. The engine cooling liquid is good in freezing resistance, corrosion resistance, scaling resistance and boiling resistance.

The invention discloses a PET protective film which comprises a body and a release film, wherein the body is made of a PET polyethylene terephthalate plastic, the bending strength is larger than 200 MPa, the elasticity modulus is larger than 4000 MPa, the release film is a transparent polyester film, the surface of the body is uniformly coated with the release film, the release force is 20-120 G, the usage temperature is minus 15 DEG C-130 DEG C, and the transparency is larger than 70%. With the adoption of the manner, the PET protective film has the advantages as follows: the PET film is simple in structure, anti-static, anti-scraping, anticorrosion, high-temperature-resistant, impact-resistant, solvent-resistant, good in stability, long in service life, firm and durable, can facilitate large-scale production, and the like. The PET protective film has a wide market prospect in popularization of PET films.

The invention discloses nickel, molybdenum, iron, chromium and diamond alloy composite powder and a preparation method and application thereof, and belongs to the field of diamond composite material processing. The nickel, molybdenum, iron, chromium and diamond alloy composite powder is composed of the following components in percentage by mass of 62-80% of diamond, 5.2-13.68% of Mo, 0.2-0.76% ofFe, 0.18-0.57% of Cr, 0.076-0.3% of Cu and balance of Ni. The nickel, molybdenum, iron, chromium and diamond alloy composite powder provides composite powder materials with excellent anti-corrosion,wear-resistant and anti-oxidation functions for laser thermal spraying, supersonic flame spraying, plasma spraying, etc.

A wood floor moisture-proof paint is characterized by including the raw materials including, by weights: 4 to 6 parts of talcum powder, 7 to 9 parts of ethylhexyl acrylate, 5 to 8 parts of coumarone, 1 to 4 parts of zinc naphthenate, 12 to 21 parts of rosin-modified phenolic resin, 3 to 5 parts of isocyanate, 3 to 4 parts of lapis amiridis, 7 to 9 parts of melamine formaldehyde resin, 12 to 18 parts of butyl acetate, 6 to 8 parts of phthalic anhydride, 2 to 4 parts of pigment, 0.5 to 1.2 part of wetting agent, 4 to 6 parts of zinc borate, 3 to 7 parts of aluminium hydroxide, 7 to 9 parts of hydroxy acrylic resin, 3 to 4 parts of monobutyltin oxide, 4 to 5 parts of fatty acid polyethylene glycol ester and 2.5 to 3.5 parts of ammonium borate. The paint has the advantages that the fine water proofing, corrosion proofing and moisture proofing effects are provided, the adhesion to the substrate is high, the attractiveness of wood floor can be improved, and toxic and pollution are avoided.

The invention discloses M85 methanol gasoline for vehicles and a preparation method thereof and belongs to the application field of alcohol group fuel technology. The M85 methanol gasoline for vehicles comprises basic raw materials, auxiliary agents and additives. The preparation method comprises preparation of the additives, preparation of the raw materials and auxiliary agents and preparation ofthe M85 methanol gasoline for vehicles. The M85 methanol gasoline for vehicles provided by the invention can solve a series of problems that conventional high proportion methanol gasoline is hard forcold start, low in heat value, insufficient in power, poor in stability, has hot air resistance, is corroded and swelled and the like in a low temperature environment, meets index values of nationalstandard GB/T23799-2009 methanol gasoline for vehicles (M85), and is simple in preparation method, low in cost and excellent in product performance. The M85 methanol gasoline for vehicles can be directly used without refitting an existing engine, can be also mixed with lead-free gasoline and ethanol gasoline to use or can be interchanged to use in a crossed manner, and has very good environmentalbenefits, economical benefits and social benefits.

The invention discloses a high-voltage transmission lead anti-corrosion paint prepared from modified nano-silicon dioxide and a preparation method of the anti-corrosion paint. The anti-corrosion paintcomprises, by weight, 80-90 parts of acrylic resin, 30-40 parts of styrene-acrylic emulsion, 25-30 parts of modified nano-silicon dioxide, 6-10 parts of graphene, 2-4 parts of sodium hexametaphosphate, 4-6 parts of sodium benzoate, 2-4 parts of carbon fluoride, 6-8 parts of zinc stearate, 2-4 parts of tributyl citrate, 7-9 parts of aluminum zirconate coupling agents, 3-5 parts of hydroxyethyl cellulose, 2-4 parts of polyvinyl alcohol and 100-120 parts of deionized water. Physical performances such as corrosion resistance, dispersity, weather resistance and barrier property of the paint are remarkably improved under synergistic effects of components, nano-silicon dioxide is modified, so that compatibility between the nano-silicon dioxide and an organic macromolecule is improved, rheological properties of a system are improved, and super-hydrophobicity and mechanical wear resistance of the paint are improved.