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 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.

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 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 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 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.