71results about How to "Eliminate foam" patented technology

The invention provides liposomal vehicles for encapsulating relatively high levels of immunogenic protein substances including immunogens directed against hormones and hormone receptors, such as gastrin and gonadotropin releasing hormone and their receptors. The liposome encapsulating large amounts of immunogens can be injected parenterally to induce effective immune responses without exhibiting significant adverse tissue reactogenicity. Methods for production of the liposomal vaccines and methods of their administration for treatment of diseases and conditions associated with the cognate hormones are also provided.

Apparatus and method for filling containers with liquid utilizing apparatus of the type having a tubular filling lance operatively connected to a source of liquid and being vertically movable between raised and lowered positions, raising and lowering of the lance being controlled so that the lower emission end of the lance is disposed just below the surface of liquid in the container as the container is being filled through the lance. The apparatus comprises: first and second control valves, each having actuators, providing fluid communication between the source of liquid and the tubular filling lance; a weight measuring device for real time measurement of the weight of liquids placed in a container through the tubular filling lance; and controls operatively connected to the weight measuring device and each actuator of the first and second control valves for controlling the movement of the first and second control valves and the flow of liquids through the tubular filling lance into the container in response to predetermined weight of liquids in the container.

Belonging to the field of vacuum glass and its edge-sealing technologies, the invention relates to a vacuum glass with a metal edge-sealing structure and a making method thereof. The vacuum glass comprises two flat glass sheets, a plurality of supports and a sealing layer. A metal transition layer is respectively cured on a sealing surface of the two flat glass sheets, and the two metal transition layers are fused and sealed by a metal layer formed by a low-melting-point metal welding material, and the fused and sealed metal transition layers and the metal layer form the low-melting-point metal sealing layer. The technical scheme involved in the invention not only can realize convenient and low-cost metal edge-sealing of vacuum glass, is easy to realize large-scale production, but at the same time also can realize low temperature (130DEG C-400DEG C) sealing of vacuum glass and lead-free manufacturing. Therefore, the vacuum glass and the method provided by the invention have great significance in reducing the production cost of vacuum glass and broadening the application scope of vacuum glass.

The invention discloses a coking wastewater treating process with zero discharge. The coking wastewater treating process with zero discharge comprises the following steps: carrying out biochemical treatment, adsorbing by activated carbon, softening crystals, filtering by an ultrafiltration membrane, filtering by a reverse osmosis membrane, carrying out spray evaporation and the like. The coking wastewater treating process with zero discharge is simple in process, convenient in operation and management, high in automation degree and low in running cost, is capable of not generating secondary pollution, effectively treating coking wastewater, basically realizing wastewater zero discharge, completely eliminating environment disruption caused by organic matters, ammonia nitrogen, salts and the like in the wastewater and reusing all the wastewater with high quality, can be used as a wastewater treating full flow process of a newly-built coking enterprise and can also be abutted to the wastewater treating process of the traditional coking enterprise.

A mixing system (1) adapted to allow first contents of a first container (2) and second contents of a second container (3) to mix to form a material. The mixed material is retrieved to a syringe (20) without being foamed. The mixing system (1) comprises a transfer unit (5) which is adapted to receive the first container (2) at a first port (11), the second container (3) at a second port (12) and the syringe (20) at a third port (13). The transfer unit (5) further houses a number of fluid pathways (14, 15, 16) interconnecting the three ports (11, 12, 13) as well as a number of flow control members (17, 18, 19, 22) for controlling fluid flow between the containers (2, 3) and the syringe (20). At least one of the flow control members (17, 18, 19, 22) allows a user to switch between two states of fluid flow, one in which fluid flow is enabled between the first port (11) and the third port (13) as well as between the third port (13) and the second port (12), and one in which fluid flow is enabled between the second port (12) and the third port (13). The invention also relates to a transfer unit comprising first and second ports for receiving first and second containers, respectively, a third port for coupling to a syringe, a number of fluid pathways interconnecting the ports, at least one flow control member which allows a user to switch between two states of fluid flow, and a locking means to ensure that the at least one flow control member can only be manipulated when a syringe is coupled to the third port.

According to the invention, methyl methacrylate (MMA), butyl acrylate (BA), ethyl acrylate (EA), acrylic acid (AA) and methacrylic acid (MAA) and trifluoroethyl methacrylate (TFEMA), vinyltriethoxysilane (KH-151) and styrene (ST) and other functional monomers are used as comonomers; benzoyl peroxide (BPO) is used as a chain initiator, a solution polymerization method is used, and a free radical polymerization is carried out through a special process to synthesize organic fluorine-silicon modified waterborne acrylic resin with excellent performance. The resin is extra-weather-resistant, is applied to a water-based acrylic coating, and has advantages of good gloss retention, exterior durability, good pollution resistance and the like. By the use of the resin, water resistance, solvent resistance and heat resistance of a water-based acrylic resin coating can be improved, and hardness and shock resistance of a paint film can be enhanced. As a coating with superior performance, the product has a wide application prospect.

A deicing formulation which includes at least one carefully selected and further processed agricultural by-product selected from BCS, DCS and CCSL, a chloride salt and water. The formulation has a viscosity of 100 to 140 centipoises at 0° C. (32° F.), and a liquid adhesion rating of at least 4. Each of BCS, DCS and CCSL contain a low molecular carbohydrate fraction in an amount sufficient to lower the freezing point threshold value of the formulation.

The invention discloses a method for preparing a silicone oil surface modified aluminium hydroxide flame retardant, which is characterized by taking silicone oil as a surface modifier, uniformly wrapping the surface of aluminium hydroxide powder with the silicone oil through physical adsorption under action of stirring and then adding a catalyst to impel the functional groups on the molecules of the modified silicon oil to react with the hydroxyl groups on the surface of aluminium hydroxide powder so that the silicone oil is tightly wrapped on the surface of aluminium hydroxide powder throughchemical bonding, thus obtaining the modified aluminium hydroxide powder. The modified aluminium hydroxide prepared by the method has good thermal stability and high decomposition temperature, can improve the mechanical property and flame retardant property of the composite materials and has simple process.

The invention relates to a preparation method and a molding mold of thermal flared end fluoroplastic pipe, which is that a flared end fluoroplastic pip is clamped in a mounting hole of a flared end cavity die with a trumpet flared end and rotates with a chuck of a lathe spindle; a male die expander with a heater and temperature control device is used for heating the head the flared end to flaring temperature and the head the flared end is fed through a lathe tail spindle to ensure that the fluoroplastic pipe is intenerated in rotating and tightly joined and matched with trumpet flared end of the flared end cavity die and cooled to form mold. The heater is fixedly connected on a the male die expander and electrically connected with the temperature control device controlled the temperature of the flared end; the flared end cavity die clamped in a rotator comprises two symmetrical clutch semicylinders is positioned on the same central line with the flared end head of flared end cavity die. The utility model takes advantage of the cold flow property of fluoroplastic to solve the defects that stress centralizes and leaves at the flared end, material is easily decomposed and the flared end is easily cracked. The invention ensures that the wall thickness of expanded trumpet flared end is more uniform and the surface of the flared end is smoother and avoids the occurrences of crinkle, forting and rippling.

The invention provides a dry mixing waterproof mortar with high crack resistance. The dry mixing waterproof mortar contains the following raw materials in parts by weight: 400-410 parts of cement, 1400-1450 parts of machine-made sand, 70-75 parts of coal ash, 0.8-4 parts of acrylic based emulsion powder, 0.8-4 parts of EVA emulsion powder, 3-12 parts of styrene-butadiene latex, 100-120 parts of modified towel gourd fiber, 100-120 parts of ramie fiber, 50-60 parts of bamboo charcoal fiber, 70-100 parts of seaweed meal, 0.8-1.0 part of organic silicon defoamer and 280-350 parts of water. According to the invention, all the raw material components are matched with one another and have a synergic effect, so that the prepared mortar has the advantages of high toughness, high rupture strength, high compressive strength and excellent anti-cracking ability and has a certain adsorptive property and a bactericidal ability; the matching relation of all the raw material components is reasonable; all the raw materials can be uniformly mixed; the dry mixing waterproof mortar is harmless to environment and conforms to the idea of low carbon, environmental protection and sustainable development.

The invention discloses an aluminium electrolysis used carbon anode antioxidation layer with good associativity with a carbon anode basal body, excellent antioxidation performance and low cost. The invention also discloses a method for coating the antioxidation layer. The aluminium electrolysis used carbon anode antioxidation layer of the invention comprises the antioxidation layer of a bottom layer, the antioxidation layer of a barrier layer and the antioxidation layer of a surface layer from bottom to top. The method for coating the aluminium electrolysis used carbon anode antioxidation layer comprises following steps: firstly, spraying slurry coating of the bottom layer once or twice, wherein spraying time interval is 2 to 3 hours, drying under normal temperature, secondly, spraying the slurry coating of the barrier layer twice or three times, wherein the spraying time interval is 2 to 3 hours, drying under the normal temperature, thirdly, spraying the slurry coating of the surface layer once or twice, wherein the spraying time interval is 2 to 3 hours, and drying under the normal temperature.

The invention discloses a preparation method of blocked isocyanate used for improving film forming performance of a cathode electrophoresis coating. The method comprises the following steps: (1) preparing an isocyanate tripolymer by using an organic compound as a catalyst under protection of a nitrogen gas; (2) performing chain extension by a polyhydroxy monomer to prepare an isocyanate-terminatedpolyisocyanate prepolymer, and blocking the prepolymer by using a composite blocking agent to prepare a branched polyisocyanate cross-linking agent; and (3) in the branching system, adding diisocyanate, performing chain extension by a polyester polyol to prepare an isocyanate-terminated diisocyanate prepolymer, performing hydrophilic modification on the isocyanate-terminated diisocyanate prepolymer by an alkynol surfactant, and blocking the prepolymer by using a composite blocking agent to obtain the blocked polyisocyanate cross-linking agent. The preparation method for the blocked isocyanatedisclosed by the invention is simple, the reaction process is easy to control, the blocked isocyanate has low deblocking temperature as a curing agent, and the prepared electrophoresis coating film has low heating loss, good thermal fluidity, high flatness, a high crosslinking density, and excellent corrosion resistance.

The invention discloses a method for measuring the concentration of C60 nanocrystal particles in water medium. The method comprises the following steps: pure glacial acetic acid is added into nC60 water suspension which contains a surface active agent to destabilize; toluene is used to extract C60 in the destabilized water suspension; the water suspension is stirred; the water suspension is frozen and stirred; then, an ultraviolet-visible spectrophotometer is used to measure the absorbance of the upper layer of toluene solution of the frozen water suspension; the concentration of C60 in a sample is calculated according to a standard curve through the absorbance; and the rate of the C60 concentration which is obtained through calculating to the standard C60 concentration is used as the recovery rate of the C60 concentration measurement. According to the method, the glacial acetic acid is used as a destabilizing agent to eliminate the phenomenon that emulsification and foams are generated during the C60 concentration measurement process under the condition of containing the surface active agent, so that the C60 concentration measurement can be enabled to be normally carried out, and moreover, the higher C60 recovery rate can be obtained.

A deicing formulation which includes at least one carefully selected and further processed agricultural by-product selected from BCS, DCS and CCSL, a chloride salt and water. The formulation has a viscosity of 100 to 140 centipoises at 0° C. (32° F.), and a liquid adhesion rating of at least 4. Each of BCS, DCS and CCSL contain a low molecular carbohydrate fraction in an amount sufficient to lower the freezing point threshold value of the formulation.

The invention relates to the technical field of sealants, more specifically relates to a sealant, in particular to an acrylate modified polyurethane sealant and a preparation method thereof. The acrylate modified polyurethane sealant is prepared from the following raw materials in parts by weight: 20 to 60 parts of acrylic acid modified polyurethane resin, 1 to 10 parts of liquid acrylate, 15 to 35 parts of a plasticizer, 20 to 50 parts of filler, 0.5 to 3 parts of an adhesion promoter, 0.05 to 3 parts of a catalyst, 0.05 to 3 parts of a water removal agent and 0.05 to 3 parts of a stabilizer.According to the invention, the acrylate modified polyurethane resin is adopted; the addition type liquid acrylate resin is matched; the prepared sealant is used in a later natural environment; the energy of ultraviolet irradiation can be transferred to acrylate bonds, so that the acrylate bonds are slowly crosslinked, carbamate bonds in a sealant system are protected, meanwhile, due to crosslinking of acrylate, the weather resistance of the sealant is further improved, the cohesiveness is wide, and the outdoor service life of the polyurethane sealant is prolonged.

The invention discloses a water-soluble plant essential oil agricultural synergistic auxiliary agent. The water-soluble plant essential oil agricultural synergistic auxiliary agent is prepared from the following components in parts by mass: 20 parts of sweet orange essential oil, 70 parts of an emulsifier and 10 parts of a surfactant; all raw materials are mutually matched and can be dissolved inwater, so that the water-soluble plant essential oil agricultural synergistic auxiliary agent can be applied to a pesticide formula system, the acting effect of pesticide can be improved, the dosage of the pesticide is reduced and a condition that the pesticide resistance of harmful living organisms is continuously enhanced is avoided; furthermore, the auxiliary agent can be matched with chemicalfertilizer, the acting effect of the chemical fertilizer can be improved and the dosage of the chemical fertilizer is reduced so that bad influences on the environment are reduced. Meanwhile, the invention further discloses a preparation method of the water-soluble plant essential oil agricultural synergistic auxiliary agent; a preparation process is simple and the effect of each raw material canbe sufficiently expressed; the prepared auxiliary agent can express an excellent synergistic effect in a pesticide system and a chemical fertilizer system.

The invention relates to the technical field of sealants, and concretely relates to a mildew-proof silane modified polyurethane sealant and a preparation method thereof. The sealant comprises, by weight, 20-60 parts of a mildew-proof silane modified polyurethane prepolymer, 2-10 parts of a plasticizer, 30-60 parts of a reinforcing filler, 0.2-2 parts of a crosslinking agent, 0.02-1 part of a catalyst, 0.2-2 parts of a water removal agent, 0.1-1 part of an antioxidant, 0.1-1 part of a light stabilizer and 0.5-3 parts of a thixotropic agent. The mildew-proof silane modified polyurethane sealanthas excellent cohesiveness, and is not prone to yellowing; the sealant is prepared by adopting a mildew-proof silane modified polyurethane prepolymer, so that the prepared silane modified polyurethanesealant has a stable and lasting mildew-proof effect, is not prone to yellowing, and is suitable for kitchen and bath decoration; and the preparation method of the polyurethane sealant has the advantages of simplicity in operation, convenience in control, low production cost and high product quality, and is used for large-scale production.

The invention discloses a detection method of the viable bacterium number of an embedded probiotic product and relates to the technical field of probiotic products. The method comprises the steps as follows: (1) pretreatment; (2) preparation of a thallus suspension; (3) gradient dilution; (4) bacterial colony culture; (5) bacterial colony counting: performing bacterial colony counting on a culturedish in the step (4) to obtain a viable bacterium detection result, wherein a dilution buffer solution in the step (2) is prepared from substances in percentage by weight as follows: 0.3%-0.6% of KH2PO4, 0.5%-0.7% of Na2HPO4, 0.6%-1.0% of NaCl, 0.5%-1.5% of tween-80, 0.05%-0.1% of polyethylene glycol, 0.01%-0.1% of polyoxypropylene glycerol ether, 0.04%0.08% of beta-cyclodextrine and the balanceof purified water. The tween-80 is used as a surfactant to promote dissolution of an embedded layer and completely release probiotics, the added polyoxypropylene glycerol ether and beta-cyclodextrinecan eliminate foam and foreign odors, the counting error is small, the detection result is reliable, strict sterile operation is realized, mixed bacterium pollution is avoided, the detection result credibility is high, and the promotional value is very high.

The invention provides a power cable protection assembly, and belongs to the technical field of a cable. The power cable protection assembly comprises a cable body, a protection sleeve and a supporting mechanism; the cable body consists of an aluminum alloy conductive core, an insulating layer, an inside liner layer, a water-blocking layer, a metal sheath, an outer protection layer and a corrosionresistant layer from inside to outside in sequence; flexible arc-shaped convex strips are uniformly arranged on the inner surface of the protection sleeve at intervals in the longitudinal direction;the longitudinal sections of the flexible arc-shaped convex strips are waveform; through holes are formed, among the flexible arc-shaped convex strips, in the protection sleeve; a filtering net is arranged on the through holes; the supporting mechanism comprises a bottom plate and vertical plates arranged on the two sides of the bottom plate; a first groove is formed in the bottom plate; a rotaryshaft is arranged between the vertical plates in an interval manner; the rotary shaft is partially arranged in the first groove and is in smooth contact with the inner surface of the first groove; andthe top parts of the vertical plates are sealed through a cover plate. The comprehensive performance of the power cable protection assembly is improved and the cable construction difficulty can be lowered, so that the cable can be protected from natural damage or man-made sabotage.

The invention discloses a production process of an FPC board. The production process comprises the steps of selecting substrates, stacking 2-13 substrates for baking at 100-140 DEG C for 45-75min; drilling via holes and positioning holes in the substrates and coating the substrates with copper; humidifying and laminating the substrates and a film and then carrying out exposure, development and etching to obtain front and back circuits separately; and carrying out high-temperature lamination on at least two substrates to obtain a circuit board. The stacking density and the substrate baking temperature and time are comprehensively considered, so that the substrate baking quality and the substrate baking efficiency are ensured, and manpower and material resources are saved; the substrates andthe film are tightly fitted when laminated to remove gaps and bubbles, and the film does not locally tilt or deform, so that the exposure accuracy is good, the geometrical tolerance of the circuits in development and etching is minimum, and the circuits are clear and free of corner deficiency.

The invention discloses a water-based ink with antibacterial properties and a preparation method thereof. The water-based ink is prepared from the following components in parts by weight: 20~30 partsof water-based acrylic resin, 6~10 parts of pigment, 15~20 parts offilling, 3~5 parts ofan additive, 3~5 parts ofan antibacterial agentand 35~45 parts ofa solvent. The solvent is prepared fromethyl alcohol,propanediol, ammonium hydroxide, ethanolamine and deionized water. Theweight ratio of the ethyl alcohol to the propanediol to the ammonium hydroxide to the ethanolamine tothe deionized waterare4~6:0.5~1.5:1~3:0.5~1.5:30~35, and the mass concentration of the ammonium hydroxide is 23%~28%.The water-based antibacterial ink mainly uses water as solvents,volatilization of organic volatiles can be effectively reduced,green environmental protection can be realized, and the ink obtained has a good dispersing, adhesion and antibacterial properties.

The invention discloses a water-based specially-misty and specially-black surface treating agent for synthetic leather and a preparing method thereof. The surface treating agent is prepared from 45wt% of water-based polyurethane, 40wt% of deionized water, 2wt% to 4wt% of surfactant, 6wt% of silicon dioxide, 3wt% to 5wt% of calcium carbonate, 1wt% of mineral oil and 1wt% to 3wt% of acrylic acid oligomers. The preparing method includes the following steps: 1, the 45wt% of water-based polyurethane is placed into a stirring kettle, the 40wt% of deionized water, the 2wt% to 4wt% of surfactant, the 6wt% of silicon dioxide and the 3wt% to 5wt% of calcium carbonate are sequentially added during low-speed stirring; 2, high-speed stirring is carried out for 20 minutes, and then the 1wt% of mineral oil and the 1wt% to 3wt% of acrylic acid oligomers are sequentially added. According to the surface treating agent and the preparing method, as the water is used as solvents, the cleaner aim and the more environmentally friendly aim are achieved in the production process and the use process, the synthetic leather treated with the surface treating agent is good in color developing performance, the down feeling and the misty degree of the bottoms of lines are quite high, and the high leather feeling is achieved.

The invention provides a dry mixing waterproof mortar with high crack resistance. The dry mixing waterproof mortar contains the following raw materials in parts by weight: 400-410 parts of cement, 1400-1450 parts of machine-made sand, 70-75 parts of coal ash, 0.8-4 parts of acrylic based emulsion powder, 0.8-4 parts of EVA emulsion powder, 3-12 parts of styrene-butadiene latex, 100-120 parts of modified towel gourd fiber, 100-120 parts of ramie fiber, 50-60 parts of bamboo charcoal fiber, 70-100 parts of seaweed meal, 0.8-1.0 part of organic silicon defoamer and 280-350 parts of water. According to the invention, all the raw material components are matched with one another and have a synergic effect, so that the prepared mortar has the advantages of high toughness, high rupture strength, high compressive strength and excellent anti-cracking ability and has a certain adsorptive property and a bactericidal ability; the matching relation of all the raw material components is reasonable; all the raw materials can be uniformly mixed; the dry mixing waterproof mortar is harmless to environment and conforms to the idea of low carbon, environmental protection and sustainable development.

The invention relates to a modified polyether, and the modified polyether molecular chain is obtained by addition of acetylenic diol poly ethoxylated poly propoxy ether and low molecular hydrogen-containing silicone, and has a structural formula shown in the specification. The modified polyether is used in the manufacture of an antifoaming agent, and enables antifoaming agent to effectively eliminate foam produced by an adverse high-viscosity aqueous system.

The invention discloses a veneer machining process capable of achieving high-efficiency cutting, and relates to the related technical field of floor veneers. The veneer machining process comprises thefollowing step I of feed preparation; the step II of preparation of the veneers; the step III of softening of the veneers; the step IV of air drying; the step V of drying; the step VI of setting; thestep VII of cutting; and the step VIII of gluing of the veneers. According to the veneer machining process, through softening treatment to the veneers, the phenomenon of veneer bubble can be avoidedeffectively; through coverage of a breathable film on the surface of the veneers, liquid medicine can be volatilized slowly; impurities can be further prevented from falling on the surface of the veneers, and the bonding degree between the veneers and paint can be further improved; thus, the situation that the paint is cracked is avoided; through arrangement of a dust-proof case on a supporting pier, the situation that sawdust flies during cutting of the veneers and consequently human bodies are injured can be avoided; and through cooperative application of a synchronous motor and a reciprocating screw rod, a movable block and a movable platform can be driven to move horizontally.

The invention provides a way for recovering the saponified rosin in industrial sewage, which is characterized in that first the anti-dyeing wax on wax-printed figured cloth is withdrawn by caustic soda, and a lot of saponified rosin is left in the sewage; the sewage containing a lot of saponified rosin is collected and stored, and conveyed into a neutralizing and separating device; the acid amount necessary for the neutralizing reaction is adjusted by monitoring the pH value of the sewage from wax printing by a pH meter; meanwhile, the sewage and the acid are mixed evenly by a mixer; the sewage from wax printing is heated by a heater, and the suspended rosin particles are separated to the max. extent, then the suspended rosin particles are sent again to a hi-temperature furnace for smelting, the foreign matter and water are removed by filtering; one or a plurality of hi-temperature smeltings can be done, till the rosin is purified and solved and recovered. The invention is of simple process, easy to operate, of good efficiency and low cost. The invention saves natural resource, protects the ecologic environment, and facilitates the emission of waste near to null. The invention greatly improves the utilization of natural resource, is an ideal way and equipment for recovering saponified rosin in industrial sewage.

A composite additive for flue gas desulfurization according to a limestone method is composed of the following materials by mass: 85 to 90 percent of nylon acid extracted residue, 1 to 3 percent of salicylic acid, 1 to 3 percent of humic acid, 1 to 5 percent of manganese chloride, and 1 to 5 percent of dimethyl silicone antifoaming agent which are mixed with each other, wherein nylon acid extracted residue is the residue of nylon acid extracted with a large part of glutaric acid. The composite additive has the beneficial effects that the defects of deeper color and unqualified desulfuration drainage chromaticity caused when a nylon acid-type additive is used for flue gas desulfurization are overcome; the pH value buffer zone is wider; sulfur dioxide gas can be dissolved in limestone paste faster; the dissolution of limestone calcium carbonate can be accelerated; the desulfuration efficiency is improved; the cost is greatly reduced; the oxidation efficiency of calcium sulfite is improved; the poisoning problem of limestone paste liquid is solved; foam of a desulfurization tower is eliminated; and the efficient steady operation of the desulfurization tower can be guaranteed.

The invention relates to a bi-component hyperbranched polyester resin high-solid-content high-gloss varnish for urban rail and bullet train bodies, the bi-component hyperbranched polyester resin high-solid-content high-gloss varnish comprises a main coating and a curing agent, and is characterized in that the main coating consists of the following components in parts by weight: 40-65 parts of high-solid-content resin, 15-35 parts of hyperbranched polyester resin, 0.2-1.0 part of a defoaming agent, 3-6 parts of a mixed auxiliary agent, 0.2-1.0 part of a leveling agent, 0.03-0.08 part of a catalyst and 15-20 parts of a mixed solvent; the curing agent is prepared from 75 to 100 parts of poly-1, 6-hexamethylene diisocyanate and 0 to 25 parts of a mixed solvent; wherein the weight ratio of themain body coating to the curing agent is 100:(50-70). The invention further provides a preparation method of the bi-component hyperbranched polyester resin high-solid-content high-gloss varnish for the urban rail and the bullet train bodies. The varnish has the characteristics of low VOC(volatile organic compound)content and good environmental protection performance, various indexes such as glossiness, weather resistance, corrosion resistance and water resistance of the varnish are obviously superior to those of the same type of water-based paint, and the varnish has excellent protection effect and high decoration on the outer surfaces of urban rails and bullet trains by mixing and crosslinking the main paint and the curing agent to form a film.