8 results about "Epoxy putty" patented technology

The invention relates to a composite shield segment abutted seam water stop function resetting method, and relates to the technical field of shield tunnel segment abutted seam water stop function repairing, and the method comprises the following steps: firstly, determining whether the water stop function of a water stop strip is damaged and needs to be replaced, and then forming a first grouting hole and a second grouting hole with different parameters in the segment surface along the abutted seam length direction; polyurea grouting liquid and epoxy resin grouting liquid are injected respectively to form a first waterproof layer and a second waterproof layer, and then epoxy plaster and polyurea sealant are smeared in sequence to form a third waterproof layer and a fourth waterproof layer; a hole in the back of the lining can be positioned and grouted; and giving out calculation formulas of the punching angle, spacing and quantity of each grouting hole, and limiting components, proportions, construction parameters and the like of related materials. The method has the effect that the waterproof performance of the abutted seam can be effectively recovered.

The invention discloses an acrylic polyurethane / silane composite protective coating as well as a preparation method and application thereof in concrete surface protection, and belongs to the technical field of building coatings. The protective coating is used for the surface of concrete and comprises an epoxy putty layer, a modified silane dipping middle layer and a modified acrylic polyurethane surface coating from bottom to top, the modified silane impregnated middle layer is prepared from the following raw material components in parts by mass: 35 to 45 parts of silane impregnant, 0 to 5 parts of nano silicon dioxide, 0 to 5 parts of silica sol, 0 to 5 parts of ethyl silicate and 0 to 5 parts of polyurea; wherein the sum of the dosage of the nano silicon dioxide, the silica sol, the ethyl silicate and the polyurea is greater than 0. The characteristics of materials such as acrylic polyurethane, a silane impregnant and nano silicon dioxide are combined, the synergistic coupling effect of the components is exerted, and the protective facing function integrated concrete surface coating with the characteristics of deterioration repairing and strengthening, good durability, hydrophobic self-cleaning and the like is obtained.

The utility model relates to the technical field of epoxy colored sand terraces, in particular to an epoxy three-dimensional colored sand terrace which comprises a concrete base layer, a waterproof coating layer is laid on the surface of the concrete base layer, an epoxy primer layer is laid on the surface of the waterproof coating layer, a midway mortar layer is laid on the surface of the epoxy primer layer, and a waterproof layer is laid on the surface of the midway mortar layer. An epoxy putty layer is laid on the surface of the midway mortar layer, a colored sand finish paint layer is laid on the surface of the epoxy putty layer, connecting pieces are installed on the surface of the concrete base layer, and connecting holes are formed in the surfaces of the connecting pieces. Before the floor is laid, the waterproof coating layer prepared according to the proportion is laid between the concrete base layer and the epoxy primer layer, so that connection between the concrete base layer and the floor is not affected when the concrete base layer is subjected to moisture, water cannot leak into the concrete base layer when used on the floor, and the waterproof effect is further achieved; and meanwhile, the condition that the terrace is corroded is avoided.

The invention provides epoxy putty for an oil storage container, which is formed by mixing a component A and a component B. The component A is prepared from the following components in parts by mass: 15-25 parts of novolac epoxy resin, 3-6 parts of a resin modifier, 0.2-0.4 part of a dispersant, 0.7-1 part of bentonite, 0.25-0.35 part of a defoaming agent, 2-4 parts of a reactive diluent, 60-75 parts of quartz powder and 4-6 parts of titanium dioxide; the component B comprises the following components in parts by weight: 5-8 parts of a curing agent, 0.2-0.3 part of a drier, 20-30 parts of quartz powder and 0.5-1 part of a thixotropic agent; the mixing mass ratio of the component A to the component B is (2.6: 1)-(3.6: 1). The epoxy putty prepared by the invention is high in drying speed, has excellent adhesive ability and permeability resistance to small molecules such as oil gas, and can reduce the risk of leakage of an oil storage container.

The utility model relates to the technical field of flat floor technology discloses a multilayer composite wear -resisting type epoxy flat floor, including base layer, the top fixedly connected with high permeability epoxy primer for reinforcing of base layer, the top fixedly connected with wear -resisting core layer for compression resistance of high permeability epoxy primer, the multilayer composite wear -resisting type epoxy flat floor is set up cooperation through base layer, high permeability epoxy primer, wear -resisting core layer and epoxy putty closed layer, and the setting of base layer provides the basis for coating adhesion, through the setting of high permeability epoxy primer, play the role of permeation reinforcement base surface, close matrix capillary hole to promote the adhesion, can make the reinforcement degree of base surface higher, through the setting of wear -resisting core layer, play the role of compression resistance, impact resistance and heavy load resistance, can bear higher mechanical wear, through the setting of epoxy putty closed layer, play the role of closed mortar layer pore, provide smooth delicate base surface to enhance the adhesion of finish.

The application discloses an acrylic polyurethane / silane composite protective coating and a preparation method and application thereof in concrete surface protection, and belongs to the technical field of building coatings. The protective coating is used on the concrete surface and comprises, from bottom to top, an epoxy putty layer, a modified silane impregnated intermediate layer and a modified acrylic polyurethane top coating layer. The raw material components of the modified silane impregnated intermediate layer include, in terms of mass parts, 35-45 parts of a silane impregnating agent, 0-5 parts of nano-silicon dioxide, 0-5 parts of silica sol, 0-5 parts of ethyl silicate and 0-5 parts of polyurea. The sum of the amounts of the nano-silicon dioxide, the silica sol, the ethyl silicate and the polyurea is greater than 0. The application combines the material properties of the acrylic polyurethane, the silane impregnating agent and the nano-silicon dioxide, and plays the component synergistic coupling effect, so that the protective surface coating with the functions of damage repair and reinforcement, good durability, hydrophobic self-cleaning and the like is obtained.

The utility model relates to the technical field of furniture decoration, and particularly discloses a furniture renovation coating. Comprising an epoxy primer layer obtained by coating the surface of furniture, an epoxy putty repairing layer compounded on the surface of the epoxy primer layer, a gridding cloth reinforcing layer arranged on the surface of the epoxy putty repairing layer, an epoxy putty layer compounded on the surface of the gridding cloth reinforcing layer, and a polyurethane finish paint layer compounded on the surface of the epoxy putty layer. And a polyurethane finishing coat is compounded on the surface of the polyurethane finishing coat layer. According to the utility model, the problems of low strength and short service life of the traditional furniture renovating coating are solved, the prepared renovating coating is high in strength and has the advantages of wear resistance and scratch resistance, the surface of the coating has a skin-touch decoration effect, and the renovating coating has a better market application prospect.

The utility model provides a heat insulation terrace coating structure which comprises a nitrile rubber lining, a first steel mesh layer is arranged at the bottom of the nitrile rubber lining, a first mortar layer is filled in the first steel mesh layer, first steel nails arranged in a matrix mode are arranged in the first mortar layer in a penetrating mode, and a second steel mesh layer is arranged at the bottom of the nitrile rubber lining. A first waterproof layer is arranged on the upper surface of the nitrile rubber lining layer, a first epoxy sealing layer is arranged on the upper surface of the first waterproof layer, a second steel mesh layer is arranged on the upper surface of the first epoxy sealing layer and filled with a second mortar layer, and a second epoxy sealing layer is arranged on the upper surface of the second mortar layer. And an epoxy putty layer is arranged on the upper surface of the second epoxy sealing layer. The thermal-insulation wall has the advantages that the waterproof effect is good, the cracking resistance of the paint surface is high, the whole coating is in an up-and-down fastening, attaching and connecting state, the overall deformation resistance is high, two mortar layers are adopted for thermal insulation, and the thermal insulation effect is better.