48 results about "Epoxy putty" patented technology

The invention relates to a construction method for reinforcing a concrete structure by using carbon fibers, belonging to the technical field of building constructions. The construction method comprises the following construction steps of: (1) carrying out a concrete foundation treatment; (2) coating priming paint; (3) carrying out incomplete part repair by utilizing epoxy putties; (4) sticking carbon fiber sheets; and (5) curing. The construction method disclosed by the invention has the advantages of simple and rapid construction, no need of any clamp, mould plate and support and low construction cost, and is suitable for each type of reinforced concrete structure or reinforcement and enhancement of the member, reinforced concrete structures, such as bridges, industrial and civil buildings and special structures, high-rise structures, impounding reservoirs, jars, culverts, tunnels, wharfs and harbors and the like, and is also suitable for the repair and enhancement of the structures.

The invention provides a compound anti-seepage system. A primer layer and a membrane waterproof layer are formed in sequence on the surface of concrete of a hydraulic building, wherein the primer layer comprises a first coating and/or an epoxy putty layer and a second coating. The first coating is epoxy primer for the base surface of damp or dry concrete; the second coating is polyurethane primer;and the membrane waterproof layer is made of a polymer elastomer material. A silica sand layer is additionally arranged between the first coating and/or the epoxy putty layer and the second coating,and/or, the membrane waterproof layer is additionally provided with a finishing coat layer. The invention further provides an anti-seepage and protective method for the concrete surface. The binding force between the compound anti-seepage system provided by the invention and the concrete surface is high, elasticity is good, and the compound anti-seepage system is resistant to erosion and abrasion,capable of being adapted to a damp and low-temperature construction environment of hydraulic buildings such as a dam, a water delivery tunnel, a box culvert, a channel and a pipe, long-term dipping in water and the use environment of high-speed water flow erosion and is free of being softened and falling, safe and environmentally friendly.

The invention provides an epoxy potting method for an insulation box on an end portion of an electric generator. The method includes the steps of closing a connector through the mica insulation box and a tool, sealing the seam between the mica insulation box and the tool through epoxy putty, forming epoxy injection holes in the mica insulation box in advance, injecting potted epoxy into the epoxy injection holes through an epoxy potting device, solidifying the potted epoxy at the room temperature, and enabling the mica insulation box and the potted epoxy to form a whole after the tool is removed. The method overcomes the detects in the prior art, the insulation box obtained through the method is reliable in performance and simple in structure, production efficiency can be improved, labor intensity can be lowered, and the insulation effect is ensured.

The invention discloses a high-performance epoxy ash for megawatt wind power blades and a preparation method. The epoxy ash is formed by mixing a putty part and a curing agent part, wherein the mass composition of the putty part is: Epoxy resin 20-65%, reactive diluent 5-20%, pigment and filler 40-70%, wetting and dispersing agent 1-5%, leveling agent 0.1-5%, defoamer 1-4%, thixotropic The curing agent is 0.5-10%; the curing agent part is formed by mixing amine substances and thixotropic agents. The product of the invention has the advantages of convenient curing, strong adhesion, low shrinkage, excellent mechanical properties, good electrical properties, chemical stability and the like.

The invention discloses an antistatic type epoxy floor and a manufacturing method thereof. The antistatic type epoxy floor comprises a high-permeability epoxy bottom coating, a first epoxy mortar layer, a second epoxy mortar layer, an epoxy putty layer, a first epoxy conductive bottom coating, a conductive band, a second epoxy conductive bottom coating, an oily conductive putty layer, a first epoxy conductive face coating and a second epoxy conductive face coating. The antistatic type epoxy floor has the advantages of pressure resistance, abrasion resistance, strong adhesive force, stable conductive resistance value, large carrying capacity and the like. Even if the surface is abraded to a certain degree, the conductive band cannot be damaged, and the stability of the conductive system of the floor is ensured. Only the surface of the floor is coated, the floor can not be repaired to realize recycle. The production use and maintenance cost is reduced.

The invention relates to a deformation joint processing structure of a top plate. The deformation joint processing structure comprises a concrete structure layer equipped with a deformation joint. Oneend of the deformation joint is provided with a joint grouting cavity which is chiseled. The joint grouting cavity is internally poured with a non-solidified liquid rubber water-stop belt. Two sidesof the deformation joint are connected with grouting slot drawing pipe cavities. The joint grouting cavity is sealed by an anti-seepage product and epoxy putty. The deformation joint processing structure has good water-proof performance. Additionally, structure performance is excellent. The protection effect is very evident and capable of effectively preventing rainwater from seeping into the deformation joint. The anti-deformation capability is high. Therefore, adverse influence of the earth surface upon the deformation joint is effectively reduced.

The invention discloses a terrace construction technique. The technique comprises base surface processing, mending, scrapping base coat, scrapping floating coat slurry, and scrapping putty layer and finish. The invention further discloses ingredients of epoxy putty and the floating coat slurry. According to the technique, the floating coat slurry has the advantages of good uniformity, high pressure resisting strength after being cured, better visual effect and long service life.

The invention discloses a high-strength epoxy resin aqueous phase curing agent as well as a preparation method and an application thereof. The curing agent is obtained by mixing 70-95 wt% of phenolicamide, 5-30 wt% of diluent, 0-10 wt% of hexatomic ring containing amide amine and 0-5 wt% of phenolic tertiary amine at the room temperature of 20 DEG C to 100 DEG C, obtaining 100 parts by mass of anactive organic matter, adding 0-150 parts by mass of micrometer or nanometer pigment filler, mixing evenly, and cooling to the room temperature. The curing agent, a liquid epoxy resin or an epoxy resin, and a micrometer or nanometer inorganic filler compound are proportionally mixed, achieves excellent mechanical properties under the humid and underwater environment, and can be used to prepare awaterproof high pressure mould, a sealant, epoxy putty, a surfactant, an interface adhesive and an anticorrosive paint.

The invention discloses aqueous epoxy putty. The aqueous epoxy putty comprises, by mass, 5-10% of water, 35-40% of aqueous epoxy resin, 25-30% of calcined kaolin, 10-15% of heavy calcium carbonate, 10% of titanium dioxide, 2% of propylene glycol, 1% of an antifoaming agent, 1-1.5% of a film forming agent and a proper amount of a thickening agent. The epoxy emulsion and a jade surfactant are mixed to form a stable dilution system so that water resistance and chemical resistance of the aqueous epoxy putty are improved. The aqueous epoxy putty has low volatility, is environmentally friendly and does not produce pollution.

A sealing element (10) for use in a fluid-carrying pipeline (16) comprising a substantially central core (14) surrounded by a coating (12). The outer coating (12) is adapted to perform a partial extrusion through an opening (15) in a pipeline wall (16) to seal the opening (15). The density of the sealing element (10) is substantially the same as the density of the fluid (11) in the pipeline (16). The coating (12) comprises a two-part epoxy putty, and the core (14) is formed from a deformable material. A method of making the sealing element is also disclosed.

The invention discloses a method of repairing phosphoric acid equipment corroded and belongs to the technical field of corrosion and protection. The method includes the steps of 1, treating the base surface, namely cleaning the corroded base surface of a phosphoric acid device, cleaning with alkali, and wiping the base surface with detergent; 2, repairing defects, namely painting the base surface with epoxy primer, and repairing with epoxy putty or epoxy mortar; 3, performing conduction leveling, namely, after repairing the defects of a base, painting a conductive layer; 4, performing anti-corrosion isolating, namely, roughening and leveling the conductive layer to impart certain roughness to the conductive layer, cleaning the conductive layer, painting with primer, cement and a glued board, and checking the phosphoric acid device required. The method has the advantages that after the treatment, the corroded phosphoric acid device is repaired and the service life of the phosphoric acid device is prolonged.

The invention discloses a flame-retardant epoxy putty, and a preparation method and an application thereof. The flame-retardant epoxy putty is prepared from 20-60 wt% of epoxy resin, 1-10 wt% of modified aramid chopped fibers, 5-30 wt% of an epoxy curing agent, 1-20 wt% of a flame retardant, 5-20 wt% of an active diluents, 3-40 wt% of a filler, 0.5-5 wt% of an additive and 0-3 wt% of a pigment; and the modified aramid chopped fibers are obtained by modifying aramid chopped fibers with toluene diisocynate. The epoxy putty has excellent mechanical properties, heat resistance, flame retardancy and salt spray resistance, can improve the comprehensive properties of filled plates, has a wide application range, and can be used for filling splicing, inserts, edges and to-be-processed parts of honeycomb sandwich plates.

The invention discloses an isolating type coating and method for concrete repair and protection. Epoxy putty is adopted, has good cohesive action with a concrete base material, and can be completely integrated with the concrete base material, so that a corrosive medium can be completely isolated, and the state where the coating does not foam and drop is guaranteed; the sealing effect is excellent,and the corrosion resistance is good, so that construction can be performed in a humid environment and a drying environment; surface coating water-based double-component fluorocarbon coating is usedfor bridge surface decoration and durability protection, and the formed coating has excellent adhesion, weather resistance, acid and alkaline resistance, and a self-cleaning effect, so that the concrete structure is free of maintenance for a long time. The isolating type coating and method for concrete repair and protection can repair a concrete base surface, and also can continuously isolate erosion, on concrete, of a corrosion factor, so that new and old concrete repair and protection problem is effectively solved, the safety, durability and decoration of the concrete structure are improved;and the coating is simple in system, convenient to construct, and environmentally friendly.

The invention discloses solvent-free spraying type epoxy putty. The solvent-free spraying type epoxy putty comprises an epoxy resin component, a curing agent component and a functional filler component, the epoxy putty has good bonding performance with concrete, shows excellent mechanical properties, does not contain volatile solvents, has nonvolatile matter content of 99% or more, is environmentally friendly, is beneficial to protection of the health of workers, can be used for spraying construction, has high construction efficiency, can adapt to construction of different base material shapesand adopts an airless spraying mode, and the maximum one-time forming thickness can reach 2mm; in addition, the epoxy putty product is in a three-component form, the filler is a single component, andno filler settlement risk exists in the storage period.

The invention discloses an anti-corrosion pool for solar cell panel production wastewater and a construction method thereof. The anti-corrosion pool includes a concrete base layer and a pool body, wherein the pool body comprises a pool baseplate and pool wall side walls; the concrete base layer extends out of the pool wall side walls; the pool wall side walls comprise guide walls integrated with the pool baseplate and pool walls arranged on the guide walls; construction joints are arranged on joints of the guide walls and the pool walls; the pool baseplate and the pool wall side walls are provided with a ground coat resin layer, a leveling resin layer, a glass fiber cloth layer and an epoxy putty layer from inside to outside in sequence; and the glass fiber cloth layer comprises multiple layers of glass fiber cloth. The construction method comprises the following steps of 1, pouring construction of the pool body; 2, grinding of the pool body; 3, water injection tests of the pool body;4, antiseptic treatment of the pool body; and 5, water injection test of the anti-corrosion pool. The anti-corrosion pool is reasonable in design, capable of adapting to the impact of the wastewater and avoiding the leakage of the anti-corrosion pool, and good in corrosion resistance.

The invention discloses anti-aging and anti-yellowing solvent-free epoxy putty and a preparation method thereof. The epoxy putty comprises a component A and a component B. The component A is composed of bisphenol A epoxy resin, a diluent, a silane coupling agent, a thixotropic agent, filler and titanium dioxide. The component B is prepared from a modified curing agent, a thixotropic agent, filler, carbon black and titanium dioxide; the component A and the component B are used according to the mass ratio of 2: (0.9-1.1), and the epoxy putty is obtained. The anti-aging and anti-yellowing solvent-free type epoxy putty is environment-friendly, non-toxic and low in VOC, has super-strong bonding strength with a concrete base material, is high in anti-aging performance, does not have a yellowing phenomenon under long-term ultraviolet irradiation, and can meet the corrosion prevention and decoration requirements of concrete infrastructures.

The invention relates to a moisture-proof flooring structure and a manufacturing method thereof. The moisture-proof flooring structure comprises a concrete surface layer, wherein the concrete surface layer is uniformly coated with an epoxy permeation primer layer, a glass fiber layer, a rough epoxy putty layer, a fine epoxy putty layer and an epoxy flooring finish paint layer sequentially; a moisture-proof coating I is applied between the epoxy permeation primer layer and the glass fiber layer, a moisture-proof coating II is applied between the rough epoxy putty layer and the fine epoxy putty layer, a nano porous ceramic granular layer is applied between the glass fiber layer and the rough epoxy putty layer, and an infrared coating is applied between the fine epoxy putty layer and the epoxy flooring finish paint layer. By means of the arranged moisture-proof coatings and the porous characteristic of porous ceramic, the water evaporation area can be greatly increased, heat can be converted into infrared rays through the design of the infrared coating, the infrared rays can easily permeate below the flooring structure, water evaporation is accelerated in an infrared heating manner, and a better moisture-proof effect can be realized.

The invention discloses a water-based epoxy putty coating specially used for floors, and a preparation method thereof, and belongs to the field of functional environmentally-friendly coatings. The water-based epoxy putty coating specially used for floors comprises: a component A comprising, by mass, 30-50 parts of an epoxy curing agent, 30-40 parts of deionized water, 0.1-0.3 part of an antifoaming agent, 0.1-0.4 part of a dispersant, 0.2-0.6 part of a substrate wetting agent and 0.1-0.5 part of a leveling agent; a component B comprising, by mass, 85-95 parts of an epoxy resin and 5-15 parts of aliphatic glycidyl ether; and a component C comprising, by mass, 80-100 parts of 200 mesh quartz powder, 0.5-1.5 parts of wood fibers and 1-3 parts of PP fibers. The product of the invention has theadvantages of low VOC content, good slip resistance, strong adhesion of the formed film, good interlayer adhesion, excellent water and solvent resistance, and solving of the cracking problem during thick application of existing water-based epoxy resin intermediate coats.

The invention belongs to the technical field of aerospace heat-proof coating repairing, and particularly relates to a high-temperature-resistant epoxy putty and a preparation method thereof. Organic silicon resin and epoxy resin are used for modification treatment, and nitrided nano ceramic micro powder is used as a filler, so that the comprehensive properties such as scrape resistance, sanding property, heat resistance, heat insulation property, environment adaptability, and the like of the putty are guaranteed, the density of a cabin heat-proof coating is effectively improved, and the problem of repairing of a certain type of bomb heat-proof coating is solved.