673 results about "Latex rubber" patented technology

The invention discloses latex skeleton aerobic granular sludge and a preparation method thereof, and belongs to the technical field of sewage treatment. The aerobic granular sludge takes a porous natural latex carrier as a core skeleton, anaerobic sludge is fixed on the carrier, and after being mixed and wrapped with a sodium alginate solution, the mixture is dropwise added into a calcium chloride solution to be cured to form gel particles. The preparation method comprises the following steps: crushing the natural latex, screening to obtain particles with the particle size of 0.4-1.2 mm, and soaking the particles in alkali liquor with the pH value of 10-12; the method comprises the following steps: centrifugally concentrating anaerobic sludge to 10000 to 20000 mg / L; mixing the treated latex carrier, anaerobic sludge and a 1%-5% sodium alginate solution according to a volume ratio of 5: (2-5): (2-5); dropwise adding the mixture into a calcium chloride solution with the concentration of 3-7%, and curing to form gel particles; and putting the gel particles into a sewage treatment aerobic tank, injecting domestic sewage, and carrying out aeration domestication for 3-6 days until the particles become earthy yellow. The granular sludge prepared by the invention has the advantages of stable structure, good settling performance and high pollutant removal efficiency.

The invention belongs to the technical field of cement pole materials, and particularly relates to a high-strength cement pole material and a preparation method thereof. The high-strength cement pole material is prepared from the following components in parts by weight: 450 to 500 parts of cement, 60 to 80 parts of fly ash, 500 to 550 parts of fine aggregate, 800 to 1000 parts of coarse aggregate, 80 to 120 parts of slag powder, 30 to 50 parts of composite fiber, 5 to 10 parts of redispersible latex powder, 2 to 6 parts of water reducing agent and 100 to 150 parts of water, the composite fibers comprise modified basalt fibers and polypropylene reticular fibers. According to the high-strength cement pole material provided by the invention, the polypropylene reticular fibers and the specific modified basalt fibers act together, so that the cement pole material has high compressive strength and high breaking strength, and a cement pole prepared from the cement pole material has high flexural capacity.

The invention discloses a basalt fiber reinforced ceramic tile binder and a preparation method thereof, and belongs to the technical field of ceramic tile binders. The basalt fiber reinforced ceramic tile binder is prepared from the following raw materials in parts by weight: 30 to 35 parts of cement, 40 to 50 parts of quartz sand, 1 to 2 parts of basalt fiber, 5 to 8 parts of calcium formate, 1 to 3 parts of redispersible latex powder, 1 to 1.5 parts of organic silicon modified polyurethane and 0.2 to 0.5 part of cellulose ether. The basalt fiber reinforced ceramic tile binder prepared by the invention has the advantages of relatively low slippage distance, good tensile bonding strength, water resistance, high temperature resistance and freeze thawing resistance stability.

The present invention relates to an adhesive composition for a polyester tire cord, a method for preparing a polyester tire cord, and a tire cord comprising the same, according to the present invention, when the polyester tire cord is prepared, the adhesive composition can be used for manufacturing a polyester tire cord, according to the present invention, the binding force between polyester fibers and a first treatment liquid can be increased by treating with the first treatment liquid containing a salt containing an anionic functional group, and then the crosslinking density can be increased by treating with a second treatment liquid containing an isoprene rubber latex, thereby not only having excellent high-temperature adhesive force, but also having excellent water resistance. And no harmful substances are used, so that the environment-friendly property is realized. In addition, uniform adhesion of the processing liquid is achieved by minimizing the influence caused by the external environment, thereby reducing the manufacturing manufacturability and the production cost. The polyester tire cord prepared as above can exhibit high heat-resistant adhesive force, rubber coverage, and excellent heat resistance characteristics.

The invention discloses a bio-based low-VOC (volatile organic compound) water-based ink composition based on microbial fermentation PHA (polyhydroxyalkanoate) as well as a preparation method, application and a printing method thereof, and belongs to the technical field of printing ink and water-based polymer dispersion. The ink adopts a unique protective colloid-free PHA latex system, and is supplemented with precise crosslinking equivalent regulation and control. Compared with the conventional bio-based water-based ink which can be applied to a plastic film only by depending on prime coat or high-energy-consumption drying in the market, the bio-based water-based ink disclosed by the invention can realize excellent adhesion (0-1 level) and wet rubbing resistance on base materials such as BOPP / BOPET and the like without prime coat, and the printing process is greatly simplified. Under the condition that the environment-friendly high standard of low VOC and no PFAS is ensured, the high-speed printing energy consumption is remarkably reduced with lower drying enthalpy, the back sticking pain point is solved, meanwhile, the long working life and the excellent paper-based ink removal property are achieved, and the industrial problem that environment-friendly compliance and high-performance printing are difficult to achieve at the same time is effectively solved.

The invention discloses an alkali-reducing protective agent for a reinforced cement-based cementing material for basalt fibers and application of the alkali-reducing protective agent, and belongs to the technical field of building materials. The alkali-reducing protective agent is prepared from the following raw materials in percentage by weight: 20 to 40 weight percent of active silicon dioxide aerogel, 15 to 30 weight percent of metakaolin, 10 to 25 weight percent of lithium slag powder, 5 to 15 weight percent of nano calcium carbonate, 3 to 8 weight percent of redispersible latex powder, 1 to 5 weight percent of water reducing agent and 0.5 to 2 weight percent of retarder. The invention also discloses an application of the alkali-reducing protective agent in a cement cementing material. According to the invention, the alkalinity of a set cement hole solution around the basalt fiber can be efficiently and enduringly reduced, physical and chemical dual protection barriers are formed on the surface of the basalt fiber, the alkali corrosion of the fiber is obviously delayed, and the long-term durability and enhancement efficiency of the basalt fiber are greatly improved.

The application discloses a polymer repair mortar for marine concrete and a preparation method thereof. The polymer repair mortar comprises dry powder mortar and a composite modified polymer. The dry powder mortar comprises 525 cement, an expanding agent, high-activity metakaolin, sand, a water reducing agent, a defoaming agent, latex powder and modified polypropylene fibers. The composite modified polymer comprises water-based epoxy resin, graphene, sodium hydroxymethyl cellulose and amide modified hydrogenated castor oil. The dry powder mortar and the composite modified polymer are mixed uniformly to obtain the polymer repair mortar. The polymer repair mortar improves the impermeability and impact resistance of the repaired marine concrete. The composite modified polymer can form a dense waterproof protective film on the surface of the mortar, effectively reducing the influence of the dry-wet cycle of the sea, chloride ion corrosion and the impact of sea waves. In addition, the adhesion between the repair mortar and the marine concrete matrix is further improved.

The invention relates to the technical field of building materials, and particularly relates to dry-mixed thin anti-crack waterproof plastering mortar and a preparation method thereof.The dry-mixed thin anti-crack waterproof plastering mortar is prepared from, by weight, 120-150 parts of cement; 550 to 650 parts of quartz sand; the silane modified carbon fibers are carbon fibers subjected to gamma-aminopropyltriethoxysilane surface grafting treatment, and the grafting rate is greater than or equal to 90%; 5-11 parts of a nano clay-alginate composite water retention system, the composite water retention system is formed by crosslinking 1-3 parts of sodium alginate and 4-8 parts of nano attapulgite to form a hydrogel network, and the hydrogel network is coated with the nano attapulgite; 2-4 parts of redispersible latex powder; 0.1 to 0.5 part of hydroxypropyl methyl cellulose ether; and 5-10 parts of an expanding agent. According to the technical scheme, the problems that in the prior art, water retention is insufficient, interface bonding is weak, and cracking control is not thorough are solved, and the method is suitable for high-rise building outer wall heat preservation system protection layers.

The application provides a synchronous lifting type latex balloon forming device, which comprises a support frame, a driving mechanism, a transmission mechanism, a lifting mechanism, a latex tank and a mold. The driving mechanism comprises a driving motor and a driving wheel, the transmission mechanism comprises a synchronous belt, two driven wheels and two parallel ball screws, and the lifting mechanism comprises a synchronous plate, four vertical columns and a support. The driving motor drives the driving wheel, which is connected to the driven wheels through the synchronous belt, so that the two ball screws rotate synchronously, the synchronous plate, the vertical columns and the support are lifted, and the mold reciprocates along the axial direction of the first ball screw and the second ball screw from the initial position to the inner bottom groove of the latex tank. By controlling the operation time of the motor, stable lifting without shaking is realized, and the problems of uneven thickness and wavy lines of the balloon forming are solved.

The utility model relates to the technical field of saddle pad materials, and discloses a comfortable saddle pad which comprises a cloth liner, an anti-slip strip is arranged at the top of the cloth liner, and a composite material assembly is arranged at the top of the cloth liner. The composite material assembly comprises a bamboo fiber fabric layer, a latex layer and a natural rubber layer, the natural rubber layer is attached to the cloth liner, the latex layer is attached to the natural rubber layer, the natural rubber layer is attached to the latex layer, memory foam is arranged at the bottom of the cloth liner, a woven belt is fixedly connected to the interior of the memory foam, and the woven belt is fixedly connected to the bottom of the cloth liner. A cushioning attaching assembly is arranged in the woven belt. According to the utility model, the bamboo fiber fabric layer, the latex layer, the natural rubber layer and the composite layer structure of the anti-slip strips are combined, so that the anti-slip air permeability and the softness of the saddle pad are improved, the comfort of the saddle pad is further improved, and the problems that a common saddle pad is rough in material and poor in user experience are solved; and the comfort of the saddle pad is improved.

This utility model discloses a cushioning and pressure-reducing latex spring mattress, relating to the field of mattress technology. It includes a spring mattress with a latex pad mounted on top. A first limiting frame is fixedly connected to the upper part of the spring mattress, and a second limiting frame is fixedly connected to the lower part of the latex pad. The second limiting frame is interlocked with the first limiting frame. In this utility model, the interlocking of the first limiting frame on the upper part of the spring mattress and the second limiting frame on the lower part of the latex pad precisely limits the physical movement of their edges, constraining relative sliding at the boundary level. Multiple Velcro hooks evenly distributed on the side of the spring mattress are bonded to corresponding Velcro loops on the side of the latex pad, further strengthening the stability of the two-layer connection from the periphery. This double-fixing structure can offset the tensile force caused by the difference in elasticity coefficients between the latex and the spring, avoiding problems such as support breakage and latex edge wear, ensuring cushioning, pressure reduction, and spinal conformity.

A water-based coating composition comprising: water, (a) a binder comprising (a1) a core-shell latex copolymer with side-mounted carbonyl groups, and (b) a crosslinker comprising (b1) at least one polyhydrazide compound having at least two hydrazide groups of the formula -C(=O)-NH-N(R h )(R i ) includes, where R h and R i independent H or C1-C 12 -Alkyl groups, where the molar ratio of hydrazide groups to carbonyl groups is 5:1 to 1:5 in the composition.

The utility model discloses a latex tank with a batching mechanism for condom production. The latex tank comprises a latex storage tank, a material passing pipe tightly connected to the inner wall of the bottom end of the latex storage tank, a regulating valve arranged on the material passing pipe, the batching mechanism connected to one end of the material passing pipe, a flow meter connected with the batching mechanism and a transfer tank, the bottom supporting mechanism is arranged at the bottom end of the transfer tank; the air exhaust mechanism is positioned on one side of the transfer tank; the batching mechanism comprises two arc-shaped supports, a hinge connected between the two arc-shaped supports, and an L-shaped extension plate fixedly connected to the outer wall of one side of each arc-shaped support. The liquid latex cannot be in contact with outside air, so that oxidation reaction is avoided, meanwhile, the solidified latex can be conveniently cleaned, and the smooth passing effect of the liquid latex is guaranteed.

This invention provides a lightweight and high-efficiency thermal insulation mortar and its preparation method, relating to the field of building insulation materials technology. The mortar comprises: 28-40 parts of cementitious material, 29-35.75 parts of water, 16-35 parts of hydrophobic aerogel particles, 5-9 parts of foam, 0.5-2 parts of water-reducing agent, 0.2-1.5 parts of cellulose ether, 0.1-0.5 parts of redispersible latex powder, and 0.2-0.7 parts of expanding agent. This invention uses hydrophobic aerogel particles as thermal insulation aggregate. Due to the low density and extremely low thermal conductivity of aerogel particles, the prepared thermal insulation mortar exhibits lightweight and highly efficient thermal insulation performance compared to traditional thermal insulation mortars. The incorporation of foam not only improves the workability of the thermal insulation mortar but also generates more uniform and microscopic closed pores in the mortar, further reducing the density and thermal conductivity of the thermal insulation mortar.

The utility model discloses a tooth cleaning device which comprises a liquid storage tank, a mounting seat and an arc-shaped latex brush plate, the right side of the liquid storage tank is provided with the mounting seat, the right side of the mounting seat is provided with a fixing seat in a penetrating mode, the right side of the fixing seat is provided with the arc-shaped latex brush plate, and the inner sides of the front end and the rear end of the arc-shaped latex brush plate are respectively provided with an arc-shaped brush. According to the cleaning device, the liquid pump can be started, cleaning liquid in the liquid storage tank can be pumped out through the L-shaped guide pipe and the communicating pipe under the action of the liquid pump, and then the cleaning liquid is guided and conveyed through the connecting pipe, so that the cleaning liquid in the liquid storage tank can be sucked out through the connecting pipe, and the cleaning liquid can be sucked out through the connecting pipe. The cleaning liquid can be conveyed into a cavity in the arc-shaped latex brush plate, and the problem that the cleaning liquid in the liquid storage tank inclines when the holding device is obliquely held and liquid cannot be pumped can be solved through the action of the two L-shaped guide pipes.

The invention discloses a modified additive, electrode paste based on the modified additive and a preparation method of the electrode paste, and belongs to the technical field of electrode paste preparation. The preparation method comprises the following steps: by taking asphalt compositely modified by natural latex and nano silicon dioxide as a core, constructing a carboxylated nano cellulose connecting layer on the surface of the core through an emulsification technology, then constructing a graphene oxide shell layer outside the connecting layer, and drying to form a modified additive with a core-shell structure; the modified additive disclosed by the invention can restrain the core asphalt in the electrode paste sintering stage, prevent the core asphalt from flowing too early, and stabilize the paste column form to restrain layering; carboxylated nanocellulose is carbonized at high temperature to generate short-range carbon fibers, graphene oxide is reduced into reduced graphene oxide, the short-range carbon fibers and the reduced graphene oxide are interwoven with a modified asphalt coking product to form a composite reinforced network, and the mechanical strength and toughness of the electrode are improved; the modified additive disclosed by the invention is added into aggregate, powder and an adhesive in a dry mixing stage to prepare the electrode paste based on the modified additive, and the electrode paste has relatively good hard fracture resistance.

The invention provides an impervious concrete composition as well as a preparation method and application thereof, and belongs to the technical field of concrete building construction. The impermeable concrete composition comprises cement, a mineral admixture, aggregate, an additive and an auxiliary component, the mass ratio of the mineral admixture to the auxiliary component is (150-250): (5-10); the mineral admixture is prepared from steel slag powder, phosphorus slag powder and bentonite in a mass ratio of (5-15): (5-15): (20-30); the auxiliary component comprises a nano composite material and latex powder in a mass ratio of (1-5): (1-5); the nano composite material is prepared from nano manganese oxide, nano silicon dioxide and nano cuprous oxide in a ratio of (1-3): (5-10): (2-5). The anti-seepage concrete has the advantages of small water seepage height, small chloride ion permeability coefficient, high maximum anti-seepage pressure and excellent anti-seepage performance.

The invention relates to a low-VOCs acrylic resin water-based coating and a preparation method thereof, and belongs to the technical field of high polymer materials and chemical coatings, the low-VOCs acrylic resin water-based coating comprises the following raw materials by weight: 40-80 parts of a modified acrylic resin emulsion, 0-30 parts of a pigment filler, 1-5 parts of a water-based auxiliary agent, 10-30 parts of deionized water and 0.5-2 parts of a post-addition cross-linking agent; the modified acrylic resin emulsion is prepared from a core-layer monomer mixture and a shell-layer monomer mixture through a core-shell emulsion polymerization process, and the shell-layer monomer mixture comprises a functionalized internal plasticizing monomer and a self-crosslinking functional monomer. The monomer is prepared by reacting long-chain fatty alcohol with diisocyanate to prepare an isocyanate-terminated prepolymer and then grafting the isocyanate-terminated prepolymer with a hydroxyl-containing acrylic monomer, a long-chain alkyl structure provided by the long-chain fatty alcohol plays a remarkable internal plasticizing role on the surfaces of latex particles, and the friction force between polymer chain segments is effectively reduced.

The present application relates to the technical field of binder, in particular to a kind of anti-layering light super-flexible rock plate binder and preparation method thereof.The anti-layering light super-flexible rock plate binder includes the following raw materials by weight parts:portland cement 25.0-32.0 parts,sulfoaluminate cement 2.4-3.0 parts,heavy calcium 5.0-8.0 parts,ceramsite sand 35.0-60.0 parts,toughness resin sand 5.0-10.0 parts,dry powder anti-layering wetting additive 1.0-2.0 parts,calcium formate 0.5-1.0 parts,suspension stabilizer 0.2-0.5 parts,fumed silica 0.1-0.4 parts,bonding enhancer 0.5-1.0 parts,powder dispersant 0.08-0.2 parts,cellulose ether 0.34-0.4 parts,redispersible emulsion powder 6.0-10.0 parts,starch ether 0.05-0.1 parts,wood fiber 0.4-0.8 parts.The anti-layering light super-flexible rock plate binder has low bulk density and dry density, in addition, it also has the characteristics of high bonding strength, low elastic modulus and good flexible anti-cracking performance.

The invention provides a production mechanism for processing a mattress blank, and belongs to the technical field of mattress processing. The problem that in the prior art, the machining precision of a mattress blank is not enough is solved. The automatic glue spraying device comprises a roller conveying mechanism, a square centering table, a belt conveying mechanism, a mechanical arm mechanism and a glue spraying mechanism, the square centering table is placed at one end of the roller conveying mechanism, the mechanical arm mechanism comprises a first mechanical arm and a second mechanical arm, and a first mechanical arm base and a second mechanical arm base are fixed below the first mechanical arm and the second mechanical arm correspondingly; the first mechanical arm base is placed on one side of the square centering table, the first mechanical arm and the second mechanical arm are fixedly connected with completely identical needling clamping tools respectively, a latex blank tray is placed on one side of the first mechanical arm base, and the belt conveying mechanism comprises a first belt conveying table and a second belt conveying table. The first belt conveying table is placed at one end of the square centering table, the second belt conveying table is placed at one end of the latex blank tray, and the second mechanical arm and the second mechanical arm base are placed on one side of the first belt conveying table. The device has the advantages of being high in machining precision and high in automation degree.

The utility model relates to resuscitator dead space detection technical field, concretely is a kind of resuscitator dead space detection device, it include: base, the upper end of base is placed with transparent rigid container, and transparent rigid container between connection has trachea, the inside of transparent rigid container is provided with latex air bag, and latex air bag between through trachea constitute intercommunication connection, the middle part upper surface of base is fixed with fixed frame, and transparent rigid container is formed and is engaged with the base between the connection through fixed frame, the upper end of fixed frame is welded with support plate. Resuscitator dead space detection device is controlled by standardization component and solenoid valve, ensure the use convenience and safety of the device, through the reasonable setting of structure, not only can the dead space of mask this conventional product be accurately detected, but also can the effective detection of rescue type suction and breathing dead space product be carried out.

The invention belongs to the technical field of gloves, and particularly relates to a preparation method of low-carbon environment-friendly bio-based nylon gloves, which comprises the following steps: S1, uniformly stirring a basic sizing material and an auxiliary agent according to a ratio, the sizing material composition being selected from one of a butadiene-acrylonitrile rubber composition, a latex composition and a polyurethane rubber composition; s2, the bio-based nylon yarn serves as a core raw material and is matched with at least one kind of yarn of polyester yarn, nylon yarn and anti-cutting yarn, the glove liner is formed through knitting by a computer knitting machine, and the glove liner is arranged on the hand mold in a sleeving mode. The bio-based nylon wires are adopted as core raw materials of the glove inner container, traditional petroleum-based nylon is replaced, dependence on non-renewable fossil resources is reduced, carbon emission in the full life cycle of production is reduced, and the requirements for low carbon and environmental protection are met.

The utility model belongs to the technical field of medical office work, and discloses a paper-twisting paper-cut-preventing glove which comprises a glove body and a wrist sleeve, the glove body is formed by weaving nylon wires, a first latex layer is arranged at the finger pulp position of the glove body, and a second latex layer is arranged at the nail bed position of the glove body; the wrist sleeve comprises a sleeve body and a connecting band, one end of the sleeve body is connected with the wrist of the glove body, one end of the connecting band is connected with the sleeve body, and the surface of one side of the connecting band is detachably connected with the outer surface of the sleeve body. According to the paper twisting and paper cutting prevention glove, it can be guaranteed that related work is smoothly carried out while the hand safety of a worker making contact with paper for a long time is guaranteed, and the working efficiency is improved.

The utility model relates to the technical field of mattresses, and discloses a spliced mattress which comprises mattress covers, a zipper is arranged between the mattress covers, a second mattress is arranged in the mattress covers, first mattresses which are in bilateral symmetry are arranged in the mattress covers, and the two first mattresses are attached to the left side and the right side of the second mattress respectively. Latex mattresses are fixedly connected to the tops of the two first mattresses and the tops of the second mattresses, connecting assemblies are arranged on the side walls of the second mattresses, locking assemblies are arranged on one sides of the two first mattresses, each connecting assembly comprises a plurality of first hook-and-loop fasteners and female buckles, and the first hook-and-loop fasteners and the female buckles are arranged on the left side and the right side of the second mattress respectively. According to the splicing and splitting mattress, primary positioning is carried out through bonding of the second hook-and-loop fastener and the first hook-and-loop fastener, then the male buckle of the first mattress is driven to be inserted into the inserting groove in the female buckle on the second mattress, the clamping spring slides in the clamping groove and is clamped with the male buckle, and the effect that the mattress can be spliced and split is achieved.

The water spraying device comprises a water inlet tank, a filtering water tank and a water spraying plate, the water inlet tank is communicated with the filtering water tank, the water spraying plate is communicated with the filtering water tank, the water inlet tank is communicated with the filtering water tank through a first communicating pipe, and the filtering water tank is communicated with the water spraying plate through a second communicating pipe. A valve is arranged on the first communicating pipe, sealing gaskets are arranged at the positions where the two ends of the first communicating pipe communicate with the water inlet tank and the filtering water tank correspondingly, a medicament feeding box is arranged on one side of the top of the filtering water tank, and a filtering assembly is arranged in the middle of the interior of the filtering water tank; waste water is recycled through a water inlet pipe arranged at the top of the water inlet tank, the recycled waste water firstly enters the water inlet tank, and the recycled waste water is pumped into the filtering tank body through a first communicating pipe at the inner bottom of the water inlet tank; firstly, it is guaranteed that water entering the filtering box contains few impurities.

The present application relates to the technical field of building materials, and particularly relates to a polymer modified silica sand, a preparation method and application thereof.The polymer modified silica sand provided by the present application comprises, by mass fraction, polymer emulsion 2-8 parts, water-soluble resin solution 0.2-2 parts, coupling agent 0.1-0.3 parts and machine-made sand 90-97 parts.The polymer modified silica sand provided by the present application replaces river sand with machine-made sand, and directly coats the polymer emulsion on the surface of sand particles, thereby omitting the spray drying step of traditional redispersible emulsion powder, simplifying the production process of downstream ceramic tile glue, reducing the raw material cost, fundamentally solving the problem of uneven dispersion of emulsion powder in the traditional process, ensuring the stability of the performance of the final product through the prefabrication of uniform polymer film, and significantly improving the bonding strength of the ceramic tile glue after no treatment, water treatment and heat treatment.

The application relates to the technical field of shoe-pad production, and discloses a graphene antibacterial functional latex shoe-pad and a production forming equipment, which have the structure of a rack, a anti-wrinkle device, a cutting mechanism, a grinding device and a universal grinding part. The cutting device can complete the forming and cutting processing of the latex raw material shoe-pad, the automatic device can improve the cutting production efficiency, and the safety hidden danger during manual cutting is reduced. The motor drives the rotating disc to rotate, drives the connecting pull rod to perform eccentric rotary motion, drives the reciprocating frame at the other end to perform reciprocating sliding, drives the two groups of flattening rollers at the two ends to roll on the latex raw material back and forth, flattens and positions the latex raw material, prevents the raw material from moving, deviating and wrinkling during cutting, facilitates subsequent cutting of the shoe-pad forming, and improves the quality and efficiency during shoe-pad production.

The present application discloses a fireproof coating material, and belongs to the technical field of fireproof coatings. The fireproof coating material includes 40-80 parts of an aqueous curing agent, 20-50 parts of water and 80-200 parts of a mother liquor of the fireproof coating material, wherein the mother liquor of the fireproof coating material consists of 50-80 parts of a flame retardant, 15-25 parts of a dispersant and 190-220 parts of water. The flame retardant used can not only effectively improve the problems of poor compatibility and mixing uniformity of a flame retardant with an aqueous latex in the existing fireproof coating material, but also can utilize O and H contained in a flame retardant system to form a carbonized layer during dehydration to isolate oxygen, preventing combustion, and enhancing the fire retardant performance.

The present application relates to the technical field of mortar materials, in particular to a concrete rust-proof mortar and a preparation method thereof.The concrete rust-proof mortar comprises the following components by weight: 35-45 parts of Portland cement, 10-20 parts of sulphoaluminate cement, 2-4 parts of a composite rust-proof agent, 1-3 parts of redispersible latex powder, 1-3 parts of silica fume, 2-4 parts of fly ash, 45-55 parts of quartz sand, 0.1-0.3 parts of polypropylene fiber, 2-6 parts of modified polyurethane, 0.5-1.0 parts of water reducing agent, 0.1-0.2 parts of a retarder, 0.3-0.5 parts of a defoaming agent, and 15-25 parts of water.The concrete rust-proof mortar prepared by the present application has excellent water-proof performance, anti-permeation ability and chemical corrosion resistance, can effectively inhibit the occurrence of steel bar rust, thereby prolonging the service life and enhancing the durability.