61results about How to "Long protection time" patented technology

The invention relates to an anticorrosive wear-resistant paint for magnesium alloy. The paint provided by the invention is made from the following components of: a modified epoxy resin liquid which is prepared by dissolving and dispersing bisphenol A-type epoxy resin, J587 acrylic resin and the balance solvent, a metal nanometer polymer formed by Ti, Al2O3, MoS2 and the like, and a curing agent, a plasticizer, an auxiliary agent and a solvent which are commonly used for paints. The preparation method comprises the following steps of: adding the metal nanometer polymer into the modified epoxy resin liquid for dispersion, adding the curing agent, the plasticizer, the auxiliary agent and the solvent with fully stirring and uniformly dispersing, filtering and standing to prepare the anticorrosive wear-resistant paint. The preparation technology and operation are both simple with each step carried out at normal temperature and normal pressure, and are convenient for industrial production. The prepared paint is widely applied, has strong bonding force between the coating layer and the matrix and good anticorrosive and abrasion resistant performance, and has a long-acting effect of protecting magnesium alloy member.

The invention aims to provide a heat reflection type epoxy anti-corrosion coating. The heat reflection type epoxy anti-corrosion coating comprises the following components in percentage by weight: 25 to 35 percent of bisphenol A epoxy resin (E51), 10 to 15 percent of reactive diluent, 5 to 10 percent of titanium dioxide, 5 to 10 percent of hollow glass microsphere, 3 to 5 percent of infrared radiation powder, 10 to 24 percent of barium sulfate filler, 0.3 to 1.0 percent of rheological aid, 0.2 to 0.5 percent of dispersing agent and 15 to 25 percent of curing agent. Compared with the prior art, the anti-corrosion coating has the advantages that a solvent-free heavy-duty anti-corrosion coating system is adopted, so that environment can be improved, resources can be saved, cost can be reduced, economic benefit can be improved, the protection time can be prolonged to reach 15 years, and the coating is withy applying; and the coating can prevent corrosion, also has the functions of heat insulation and reflection, and is suitable for protecting the surface of steel, particularly the surfaces of open-air metal storage tanks and bunkers, so that the aim is fulfilled.

The invention discloses a renewable gas particulate filtering unit. The renewable gas particulate filtering unit comprises a polluted air inlet, a primary filter, a compressor, a gas-water separator, a freeze drying machine, a secondary filter and a tertiary filter which are connected by a main pipeline in sequence, wherein the tertiary filter is respectively connected with a first pipeline and a second pipeline through the main pipeline, the tail end of the first pipeline and the tail end of the second pipeline are respectively connected with a flow control valve, and the flow control valve is connected with a clean air outlet. The renewable gas particulate filtering unit can regenerate a filter absorber and be recycled, thus solving the problem that antivirus time is limited by the adsorption capacity, and significantly reducing the follow-up security demands of resupply, replacement and treatment of the filters of current activated carbon based nuclear biochemical systems.

The invention relates to a anode sacrificed type corrosion resistant zinc radical aluminum magnesium rare earth alloy coating material and the manufacture method. It mixes two constituents according to 9:1 and dilutes to 5S-20S viscosity, aging for 15-20 minutes. The first constituents include 50% E-20 epoxy resin liquid, 2.0-6.0% diluting agent, 1.0-3.0% organic modified pig bentonite, 1.5-3.0% french chalk, 60-70% Zn-15Al-5Mg-RE alloy powder. And the second constituents include 20-30% T-31 epoxy resin curing agent, 20-35% butyl alcohol, and 35-50% xylene. The invention is easy to operate, and has wide application.

The invention discloses a surface treatment process for an aluminum lamp housing, and relates to the technical field of lamp production. The surface treatment process for the aluminum lamp housing comprises the following steps of (1) preparing a workpiece blank; (2) hanging the workpiece blank on a hanger of a powder coating assembly line; (3) conducting coating prevention; (4) conducting hot washing; (5) conducting pre-degreasing; (6) conducting main degreasing; (7) conducting washing for the first time; (8) conducting washing for the second time; (9) conducting ceramization; (10) conductingwashing for the third time; (11) conducting washing with pure water; (12) blowing water manually; (13) conducting drying and dewatering; (14) spraying plastic powder to the surface of a workpiece; and(15) curing. According to the surface treatment process for the aluminum lamp housing, a coating is good in adhesive force, resistant to impact and corrosion, good in protection performance and longin service life. The plastic powder is free of pollution, powder paint is solid paint, no organic solvent is used, and basically no pollution is caused, so that environmental protection and the healthof workers are facilitated. As powder excessively sprayed out in the spraying process can be recycled, the utilization rate of the plastic powder is high.

The invention provides a corrosion resistant coating for metal magnesium and a preparation method thereof. The coating has favorable corrosion resistance. The preparation method has the advantages of simple process and low production cost and is suitable for industrial production. The corrosion resistant coating used for metal magnesium comprises the following chemical compositions in percentage by weight: 40-45wt% of alloy powder, 3-6wt% of titanium carbonitride powder, 3-6wt% of silicon nitride powder, 7-8wt% of butanol and the balance of epoxy resin liquid. The grain sizes of alloy powder,titanium carbonitride powder and silicon nitride powder are 270-800 meshes. The alloy powder comprises the following components in percentage by weight: 2-4wt% of Cu, 0.01-0.1wt% of Sn, 0.2-0.4wt% ofSb, 3-6wt% of Si, 0.03-0.09wt% of Pr and the balance of Ni.

The invention relates to a production technology of a shoe sole, in particular to a light-weight and shock-absorbing combined shoe sole and a production method thereof. The combined shoe sole consists of an outsole and a midsole, wherein the outsole is produced from a rubber material by mixing, performing open mixing, vulcanizing and other processes; the midsole is produced from an EVA material by mixing, performing open mixing, granulating, foaming once, and performing oil pressing twice. The raw materials and the processes of the light-weight and shock-absorbing combined shoe sole provided by the invention are optimized, so that various problems of the rubber material and the EVA material in application are effectively solved; a finished product is light in weight, good in resilience and excellent in shock-absorbing effect, and is not prone to aging and frosting problems.

The invention provides a corrosion resistance coating for steel and a preparation method thereof. The coating has the advantages of excellent performance and good wear resistance. The preparation method has the advantages of simple process and low production cost and is suitable for industrial production. The corrosion resistance coating for steel comprises the following compositions in percentage by weight: 40-45 percent of alloy powder, 3.0-6.0 percent of boron nitride powder, 3-6 percent of silicon carbide powder, 7.0-8.0 percent of butanol powder and the balance of epoxy resin liquid, wherein the particle size of the alloy powder, the particle size of the boron nitride powder and the particle size of the silicon carbide powder are all 270-800 meshes. The alloy powder comprises the following compositions in percentage by weight: 35-40 percent of Zn, 0.01-0.1 percent of Mn, 0.2-0.4 percent of Cd, 0.2-0.4 percent of Sr, 0.02-0.05 percent of Si, 0.03-0.09 percent of Prm 0.05-0.2 percent of Gd and the balance of Al.

Aiming at the defects of the existing automobile surface protection wax, the invention provides a gold solid wax which has better protection effect and is used on the surface of the automobile and comprises the following components by weight percentage: 60-70% of solvent oil, 4-6% of palm oil, 6-8% of silicone oil, 17-21% of carnauba wax, 3-4% of beeswax and 2-3% of essence. The gold solid wax has the beneficial effects of long protection time, good protection effect, long durability and no smelly odor and environmental pollution.

The invention discloses a process for preparing activated carbon for air-raid shelters. The process comprises the following steps: finely selecting raw materials, preparing a first mixed liquid, preparing a second mixed liquid, preparing a third mixed liquid, soaking, calcining, preparing a fourth mixed liquid, performing secondary soaking, and performing secondary calcining. The process has the advantages that the produced activated carbon for air-raid shelters has the advantages of being high in strength, good in adsorption property, large in adsorption capacity, small in ash content, rapidin adsorption velocity, long in protection time, good in protection effect, and the like, has very good effects in industrial waste gas treatment, prevention of toxic and harmful gases, and the like,and particularly has excellent adsorption properties which are comparable by common granular carbon for benzene, hydrocyanic acid and chloroethane in waste gases; meanwhile, due to the product, defects of conventional coal columnar carbon are solved, the field of activated carbon is further widened, defects of the coal columnar carbon are further alleviated, and a relatively excellent product is provided for waste gas treatment, toxic and harmful gas prevention, and the like.

The invention discloses a coalescent wet-type fire evacuation anti-poison and anti-smoke mask which comprises an outer layer, a physical filter layer, a coalescent wet adsorbent layer and an inner layer, wherein adsorbent medical liquid sealed in a thin plastic bag is packed together with a mask main body. According to the invention, coalescent adsorption is applied to respiratory protection article for the first time, and the protection principle is based on coalescent wet adsorption; and specifically, the physical filter layer and the coalescent wet adsorbent layer form two adsorbent filter layers for the fire smoke. The mask worn in the fire disaster can effectively protect from harm of poison and smoke in the fire scene, so as to strive for more time for the persons to safely evacuate and escape.

The invention relates to a silver coin surface invisible tarnish resisting protective layer and a preparing method thereof, and solves the problem that the surfaces of silver coins are discolored after being placed for a long time. The preparing method is realized by the steps: (1) pretreatment of the silver coins; (2) vacuum-pumping; (3) aluminum target cleaning; (4) preparing an aluminum oxide protective layer by reaction magnetron sputtering; (5) aluminum target post treatment. The invisible aluminum oxide protective layer prepared by the invention has good tarnish resisting effect, protects the appearance quality of the silver coins and is long in guard time.

The invention relates to a rusty protective coating with a rust conversion function and a preparation method. The rusty protective coating comprises 10-40 parts of a rust conversion agent, 60-90 partsof an acidic resin emulsion, an antifoaming agent accounting for 0.1-0.5% of the total mass of the acidic resin emulsion and the rust conversion agent, a thickening agent accounting for 0.1-0.5% of the total mass of the acidic resin emulsion and the rust conversion agent, and a wetting agent accounting for 0.1-0.5% of the total mass of the acidic resin emulsion and the rust conversion agent. Therusted protective coating with the rust conversion function is uniformly brushed on the surface of a rusted reinforcing steel bar, a rust layer can be converted and dissolved to generate a polymer protective film under the condition of normal temperature, the utilization rate of the reinforcing steel bar is increased by effectively converting the rust layer, the bonding and anchoring performance of the coating and concrete is excellent when a reinforced concrete structure is poured again, and an anti-rust action is achieved without affecting the performance of the concrete. The rusty protective coating has the characteristics of environmental protection, low cost, strong adhesive force, high corrosion resistance and the like.

The invention discloses a high-temperature-resistant and low-temperature-resistant environment-friendly chloroprene rubber adhesive, which is prepared from the following components in parts by weight:100 parts of chloroprene rubber compound, 100-400 parts of hydrocarbon solvent oil and 100-400 parts of ethyl acetate. The chloroprene rubber compound is prepared by mixing chloroprene rubber, zinc oxide, magnesium oxide, an accelerant MTT-80, an accelerant DM, stearic acid, carbon black, an anti-aging agent and a maleic anhydride graft polymer. The invention also discloses a preparation method of the high-temperature-resistant and low-temperature-resistant environment-friendly chloroprene rubber adhesive, which comprises the following steps: soaking the chloroprene rubber compound in a hydrocarbon solvent oil-ethyl acetate mixed solvent for 3-5 hours, and stirring the mixture for 4-6 hours until the mixture is uniform. The chloroprene rubber adhesive disclosed by the invention is environment-friendly and has little harm to a human body and the environment; the adhesive disclosed by the invention has the advantages of high and low temperature properties, wide applicability, high bonding strength and wide materials of a bonded matrix, and the bonding of chloroprene rubber with nylon cords, vinylon cords and polyester cords is improved.

The invention relates to a compound type self-rescuer, which belongs to the technical field of self-rescuers under coal mine. The technical problem required to be solved is to provide the compound type self-rescuer which integrates a filter type self-rescuer and an isolated type self-rescuer, and can not result in waste. The compound type self-rescuer adopts the technical scheme that: the structure of a tee coupling is that three tubular ports are connected onto a hollow sphere, a change-over valve is arranged in the hollow sphere of the tee coupling, a mouth utensil is connected onto one port of the tee coupling, a filter respirator is connected onto the other port of the tee coupling, an air bag is connected onto the last port of the tee coupling through a connector, and the connector is arranged in the air bag. The compound type self-rescuer provided by the invention is changed over through the change-over valve, so that waste can not be caused, and the protective time is prolonged.

The invention provides an efficient polyurethane asphalt anticorrosive coating which is prepared from polyurethane, alkyd resin, modified asphalt, anticorrosive pigment and gallotannic acid in parts by weight. According to the invention, the idea of adding polyolefins modified asphalt into a polyurethane coating system to improve the surface elasticity of a coating film of the coating, high-and-low-temperature resistant transforming ability and the like is innovatively proposed, the preservation time of a product is as long as to be up to or even more than 5 years, meanwhile, composited zinc sulfate with a good anticorrosive property is taken as the anticorrosive pigment, the composited zinc sulfate takes part in transforming the slight corrosion, so that the tolerance of the coating on a base material and the adhesion force of the paint film are increased, furthermore, the gallotannic acid capable of reacting with a base material steel is added, so that the labor intensity is reduced, the rust adhered to the surface is removed, and the adhesion force of the paint film is increased.

The invention relates to the technical field of mask materials. The invention relates to a three-in-one material, in particular to an environment-friendly hot melt adhesive attached three-in-one material for a mask. The filter element comprises an upper protective layer, a middle filter layer and a lower protective layer which are parallel to one another, wherein the middle filter layer is locatedbetween the upper protective layer and the lower protective layer, the upper protective layer is fixedly connected with the middle filter layer, the middle filter layer is fixedly connected with thelower protective layer, the upper protective layer, the middle filter layer and the lower protective layer are all made of breathable materials, and the middle filter layer is a nanofiber membrane. The fabric has the advantages of being long in protection time, good in air permeability, capable of well adding bioactive substances and achieving anti-inflammatory and antibacterial functions, capableof being washed repeatedly and durable in use.

The invention relates to a silver coin surface invisible tarnish resisting protective layer and a preparing method thereof, and solves the problem that the surfaces of silver coins are discolored after being placed for a long time. The preparing method is realized by the steps: (1) pretreatment of the silver coins; (2) vacuum-pumping; (3) aluminum target cleaning; (4) preparing an aluminum oxide protective layer by reaction magnetron sputtering; (5) aluminum target post treatment. The invisible aluminum oxide protective layer prepared by the invention has good tarnish resisting effect, protects the appearance quality of the silver coins and is long in guard time.

The invention relates to paint, and particularly relates to fire-resistant and weather-resistant metal protective insulating paint. The paint disclosed by the invention is prepared from the following raw materials in parts by weight: 28-35 parts of organic silicon resin, 18-22 parts of alkyd resin, 2-3 parts of sulfonated oil, 8-9 parts of butyl stearate, 4-5 parts of dolomite dust, 2-3 parts of 2,2,4-trimethyl-1,3-pentanediolmono(2-methylpropanoate), 2-3 parts of albite powder, 5-6 parts of stearic acid, 15-18 parts of trimethylolpropane triacrylate, 8-10 parts of hydroxyethyl cellulose, 8-12 parts of maleic anhydride, 4-6 parts of ammonium polyphosphate, 2-3 parts of isocyanate, 1-2 parts of parts of zinc naphthenate, 1-2 parts of anti-aging agent 4010NA, 5-6 parts of assistant, 10-12 parts of xylene and 10-12 parts of butyl acetate. The paint film of the paint disclosed by the invention is strong in adhesive force with metal, full and bright, compact and firm, flame-retardant and fire-resistant, anti-rust and anti-corrosion, weather-resistant and anti-aging, and lasting in protection time, and can be widely applied to decoration and protection of various metal surfaces.

The invention provides environment-friendly deicing fluid and applications of the environment-friendly deicing fluid in road deicing. The invention discloses the environment-friendly deicing fluid, the deicing fluid contains a fermentation product and salt, wherein for 100 weight parts of the fermentation product, the content of salt is 12-50 weight parts, and the salt is organic salt and / or inorganic salt; the fermentation product is prepared through the method comprising the following steps: (1) inoculating a microbial strain capable of producing 1,3-propanediol into a culture medium containing glycerol, thus obtaining a material before fermentation; and (2) carrying out anaerobic culture on the material before fermentation in the step (1) till the concentration of 1,3-propanediol is 50-500 g / L, thus obtaining the fermentation product. During the preparation process of the environment-friendly deicing fluid, no environmental pollution is generated, the environment-friendly deicing fluid can naturally degrade in the environment and causes no damage to the road and the surrounding facilities, and thus the problem that during the snow melting and ice melting processes adopting the existing deicing fluid, environmental pollution and corrosion to the road facilities are caused, is solved, meanwhile, the snow melting and ice melting speeds are accelerated, the protection time is increased, the work of the mechanical spraying vehicle is effectively matched, and the manual operation is reduced.

The invention belongs to the technical field of isolation and antibacterial protective materials, and particularly relates to a liquid invisible mask with broad-spectrum bacteriostasis as well as a preparation method and use method thereof. The liquid invisible mask is a film layer covering the surface of mucosa in the nasal cavity, the oral cavity or the throat, and the film layer comprises garlic extract with the allicin content larger than 45%, sesame essential oil and whipping cream; and the mass ratio of the garlic extract to the sesame essential oil to the whipping cream is (70-85): (10-20): (5-10). The garlic extract with the high allicin content is used as an active ingredient, so that the basic effects of sterilization and disinfection are guaranteed; meanwhile, the sesame essential oil is used as a film-forming carrier material, and the whipping cream is used as a framework material; and through the synergistic effect of the three materials, on the premise that the use safetyis guaranteed, while the sterilization and bacteriostasis effects are improved, the adsorbability, the stability and the use comfort of the film layer are remarkably improved, so that the long-actingprotection effect is exerted to the maximum extent, and a remarkable effect is achieved.

The invention discloses a side slope protection system for a renovation and extension expressway, and belongs to the technical field of side slope protection. A side slope of the system is sequentially provided with geotechnical grid cloth, filling bags, a honeycomb frame, a rubble layer, a coconut net layer and a filler layer from the bottom layer to the top layer. The filling bags are stacked layer by layer along the gradient of the side slope and arranged on the geotechnical grid cloth, fixing rods are arranged between the filling bags and the side slope, anchor rods are arranged between the honeycomb frame and the filling bags, downward water leakage holes are formed in each honeycomb hole of the honeycomb frame, the honeycomb frame is filled with rubbles on the rubble layer, the filler layer comprises modified soil and plant seeds, and a drainage ditch is formed in the slope bottom of the side slope. The side slope protection system for the renovation and extension expressway is simple in structure and easy to construct, the construction cost can be reduced, the construction progress is quickened, rock weathering and water and soil loss of the side slope are effectively prevented, and the protection time is long.

The invention belongs to the field of metal corrosion prevention, and particularly relates to a stainless steel anti-corrosion and antibacterial surface treatment method. According to the method, firstly, a nanopore array is prepared on the surface of stainless steel through an anodic oxidation method, and then a composite zinc coating loaded with an organic antifouling agent is prepared on the surface of the nanopore array through a constant-current polarization method. According to the invention, the binding force between the composite zinc coating and the matrix can be improved, the load capacity of the antifouling agent is increased, the microbial corrosion protection capability of the composite zinc coating is improved, and the composite zinc coating can be applied to the stainless steel surface, so that the stainless steel surface has anticorrosive and antibacterial properties.

The invention provides a water area anti-tearing rope net device and an assembly method of the water area anti-tearing rope net device. The rope net device comprises a warning rope, a floating ball, an intercepting net, a connecting rope, an anchor hook, a tension sensor and an alarm device. The warning rope is provided with a warning coating for playing a warning role, the floating ball is fixedly connected with the warning rope and used for providing buoyancy for the rope net device, the upper side edge of the intercepting net is connected with the warning rope, the lower side edge of the intercepting net is connected with an anchor chain, the intercepting net is used for intercepting underwater objects, one end of the connecting rope is connected with the floating ball, the other end ofthe connecting rope is connected with the anchor chain, the anchor chain is used for being connected with the anchor hook, and the anchor hook is used for fixing the position of the rope net device.The tension sensor is arranged on the connecting rope and used for detecting the tension change of the connecting rope, and the alarm device is arranged in the floating ball and used for sending an alarm signal. According to the water area anti-tearing rope net device, water area interception can be carried out, an alarm can be given according to the tension change of the rope, the tidal water change is converted into a signal to be presented, and the safety of the water area is guaranteed.

The invention discloses a multifunctional integrated recycling medical mask. The mask is composed of a human face outline-shaped silica gel base body, an oral cavity ventilation assembly, a nasal cavity ventilation assembly, eye protector lenses, a silica gel plunger, two first elastic bandages and two second elastic bandages, and the three functions of a gauze mask, an eye protector and a face mask are integrated into the medical mask. The mask is convenient to wear and dismount rapidly, and an outwards-convex eye protector lens base is suitable for being worn by a glasses wearer. The face ofthe wearer does not have obvious marks for a long time, and the eye protector lenses do not generate water mist; bacteria are effectively prevented from breeding in a closed space formed by the faceof the wearer and the mask, and the lip of the wearer makes close contact with a mouth-shaped mask of an oral cavity ventilation channel comfortably; during wearing, a nano-material KN95 filter is subjected to medical alcohol disinfection regularly, and the effective protection time of the nano-material KN95 filter during wearing is prolonged exponentially; and the human face outline-shaped silicagel base body and the nano material KN95 filter can be disinfected by medical alcohol with proper concentration and recycled, so that medical waste can be greatly reduced, and energy conservation andenvironmental protection are realized.

The invention belongs to the technical field of coatings and particularly relates to a waterproof anti-oxidation insulating paint for a power device. The protective oil paint is prepared from priming paint and waterproof finish paint and contains dimethylbenzene, alkyd resin, aluminum powder slurry, porcelain clay, talcum powder, a plasticizer, silica and glycol ether. The waterproof finish paint contains polyether polyol, isocyanate, titanium dioxide powder, trimethyl monochlorosilane, fatty alcohol polyoxyethylene ether, a leveling agent and a cosolvent. When the waterproof anti-oxidation insulating paint is used, the priming paint is sprayed firstly, and then the finish paint is sprayed after the priming paint is dried. The protective paint has good oxidation-resistance, corrosion-resistance and waterproof properties, strong adhesive powder and uniform, fine and smooth paint surface and is very suitable for power device surfaces.

The invention relates to a compound type self-rescuer, which belongs to the technical field of self-rescuers under coal mine. The technical problem required to be solved is to provide the compound type self-rescuer which integrates a filter type self-rescuer and an isolated type self-rescuer, and can not result in waste. The compound type self-rescuer adopts the technical scheme that: the structure of a tee coupling is that three tubular ports are connected onto a hollow sphere, a change-over valve is arranged in the hollow sphere of the tee coupling, a mouth utensil is connected onto one port of the tee coupling, a filter respirator is connected onto the other port of the tee coupling, an air bag is connected onto the last port of the tee coupling through a connector, and the connector is arranged in the air bag. The compound type self-rescuer provided by the invention is changed over through the change-over valve, so that waste can not be caused, and the protective time is prolonged.

The application discloses a preparation process of activated carbon for civil air defense engineering, comprising the following steps: selecting raw materials, preparing the first mixed solution, preparing the second mixed solution, preparing the third mixed solution, impregnating, calcining, preparing the fourth mixed solution, Second impregnation, second calcination. The advantages of the present invention are that the produced activated carbon for civil air defense projects has the advantages of high strength, strong adsorption capacity, large adsorption capacity, less ash content, fast adsorption rate, long protection time, and good protection effect. Protection, etc. have very good effects, especially for benzene, hydrocyanic acid, ethyl chloride, etc. in the exhaust gas, which have excellent adsorption properties that conventional granular carbons do not have; at the same time, the invention of this product also solves the problem of using coal-based columnar The defects of charcoal will further expand the field of activated carbon, further improve the shortcomings of coal-based columnar carbon, and provide better products for waste gas treatment, toxic and harmful gas protection, etc.