50results about How to "Increase the anti-seepage pressure" patented technology

The invention relates to an impervious early strength organosilicon waterproof agent and a preparation process thereof. The impervious early strength organosilicon waterproof agent comprises the following raw materials in percentage by weight: 1 to 3 percent of stearic acid, 0.2 to 0.8 percent of sodium carbonate, 7 to 10 percent of methyl silicic acid, 50 to 80 percent of water, 11 to 15 percentof sodium hydroxide, 0.4 to 0.7 percent of triethanolamine and 0.5 to 2.5 percent of ammonia water. Due to the addition of the stearic acid, the methyl silicic acid and the sodium hydroxide which serve as main raw materials and the triethanolamine serving as an auxiliary material, the waterproof agent enhances the early strength and plasticization of concrete and mortar and improves the performance of weather resistance and impermeability pressure further, and has the characteristic of convenience for construction simultaneously. The waterproof agent can be sprayed on surfaces of buildings directly, and also can be used for stirring the concrete and the mortar for water prevention. The composition and the construction of the waterproof agent meet requirements of national environmentally-friendly standards. The preparation process of the waterproof agent comprises simple operating steps, so the large-scale production is convenient, and the waterproof agent can be widely used for the waterproof construction of the surfaces of the buildings, projects, basements, tunnels and water ponds.

The invention relates to the technical field of building materials, in particular to a compound plugging agent, which is prepared from the following raw materials in parts by weight: 55 to 75 parts of composite gel material, 2 to 8 parts of flexibilizer, 3 to 9 parts of coagulating enhancer, 12 to 22 parts of curing agent and 7 to 5 parts of dispersant. The compound plugging agent provided by the invention has rigidness and flexibility, has the effects of transforming and filling, simultaneously, has the effects of bridging and transforming and filling, the use amount of plugging materials is greatly reduced and the cost is lowered.

The invention relates to seepage-resistant cement prepared from raw materials of, by weight: 5-8% of fluorine-containing polyacrylate emulsion powder with fluorine content of 1-3%, 2-3% of rosin with a specification of 100-200 meshes, 3-5% of sodium silicate, 3-5% of calcium hydroxide, 1-2% of alum, 1-2% of sodium dodecyl sulfate, 10-15% of phosphoaluminate cement, and balance of Portland cement. The cement provided by the invention is advantaged in high seepage resistance and high binding strength. With the cement, seepage resistance of cement mortar can be substantially improved, and bending strength and compressive strength of the cement mortar are improved.

The invention relates to the technical field of plugging agents, in particular to a plugging agent special for a building roof crack. The plugging agent comprises, by weight, the raw materials of 30-50 parts of silicone rubber, 20-30 parts of calcium sulphoaluminate, 10-20 parts of sepiolite, 5-10 parts of Teflon, 8-16 parts of sodium tripolyphosphate, 8-18 parts of titanium dioxide, 5-10 parts of wollastonite and 10-20 parts of curing agent. The plugging agent special for the building roof crack can both be used on the upstream face and the downstream face, impermeability pressure is high, cementation power is high, anti-cracking effect is good, the plugging agent and a base body are combined into a whole, ultraviolet resistance and aging resistance are achieved, waterproof performance is obvious, and waterproof performance, permeability resistance and quick plugging are achieved.

The invention discloses a cement-base colored microsurface, belonging to the technical field of road engineering. The microsurface pavement comprises a cement-base layer, wherein the cement-base layer comprises the following components in parts by mass: 100 parts of cement, 150-170 parts of colored quartz sand, 50 parts of water, 7 parts of waterproofing agent and 10 parts of pigment; and the cement-base layer also comprises 0.1 vol% of polyvinyl alcohol fiber and a right amount of modifier. The modifier is composed of a water-based epoxy resin (the mass ratio of the water-based epoxy resin to the cement is (8-12):100) and a curing agent (the mass ratio of the curing agent to the water-based epoxy resin is 1.3:1), or hydroxy cellulose (the mass ratio of the hydroxy cellulose to the water is 3:100), or a water-based organic silicon resin (the mass ratio of the water-based organic silicon resin to the cement is 2.5:100). The color of the colored quartz sand has the same color system as the color of the pigment. The invention also discloses a construction method of the cement-base colored microsurface. The cement-base colored microsurface has the advantages of higher water resistance, higher crack resistance, higher wear resistance, higher color distinction degree and high color durability, and is easy for construction.

The invention relates to the technical field of building materials, in particular to a composite plugging agent, which is made of the following raw materials in parts by weight: 55-75 parts of composite gel material, 2-8 parts of toughening agent, and 3-9 parts of coagulation accelerator 12-22 parts of curing agent, 7-15 parts of dispersant. The composite plugging agent of the present invention has both rigidity and flexibility, can play the roles of deformation and filling, bridging and deformation filling at the same time, greatly reduces the amount of plugging materials and reduces the cost.

The invention belongs to the technical field of building materials, and specifically relates to a high-impermeability cement-based repair material for tunnel engineering, which is composed of Portland cement, fly ash, silica fume, steel slag powder, rock powder, tailings sand, quartz sand, Attapulgite, acrylate emulsion, cellulose ether, polyacrylamide, PVA fiber, PET fiber, polycarboxylate water reducer and defoamer. The invention has the characteristics of easy construction, good workability, good water retention, high compressive strength, high impermeability grade, high toughness, cohesiveness and excellent durability; the product of the invention can be applied to the construction of lining concrete in tunnel engineering Initial protection or post-project maintenance and repair.

The invention relates to a cement-based penetrable crystallized waterproof paint, a preparation method and a construction method thereof. The cement-based penetrable crystallized waterproof paint is prepared from the following raw materials in percentage by weight: 65 to 70 percent of cement, 3 to 10 percent of modified bentonite, 2 to 5 percent of modified sodium silicate, 1 to 5 percent of diffusant, 0.5 to 1 percent of penetrant, 2 to 10 percent of wollastonite and 15 to 25 percent of quartz sand. The waterproof paint can recover minute cracks on concrete interfaces and inhibit the water seepage and damp of base interfaces effectively. In addition, the waterproof paint is high in capacity of freezing resistance, high-temperature resistance, chloridion resistance and acid and alkali resistance, and has a long waterproof effect. According to the cement-based penetrable crystallized waterproof paint, leveling layers on the concrete interfaces are saved, and protective layers are savedafter the concrete interfaces are coated, so the waterproof construction is simple. The cement-based penetrable crystallized waterproof paint is suitable for constructional engineering such as underground engineering, subway tunnels, civil air-defense construction, water ponds, oil sumps, sewage tanks, barns, bathrooms, roof squares, parking platforms, high-grade roadways and the like, and is used for processing defects of cracks, honeycomb pitted surfaces and the like of the concrete interfaces.

The invention discloses a transparent waterborne waterproof coating for a building and a preparation method thereof. The transparent waterborne waterproof coating comprises the following components in percentage by mass: 70-80% of water soluble high polymer material, 0.8-1.6% of coalescing agent, 0.8-1.6% of accelerant, 0.5-1.0% of nano material, 0.02-0.06% of penetrating agent, 0.3-0.8% of ultraviolet absorbent, 0.5-1.2% of thickening agent, 0.1-0.3% of defoaming agent and the balance of water. The coating disclosed by the invention is pollution resistant, good in weather fastness, excellent in physical and mechanical properties, acid and alkali resistance and waterproof performance, and good in transparency, and the coating does not cover the bottom, so that the coating can maintain the appearance and feature of the building when in use; and meanwhile, the coating is simple to prepare, environment-friendly, free of pollution and convenient to use and can be both spray coated and crush coated, so that the coating can be widely applied to water resistance of building periphery or exterior wall so as to provide long-term waterproof protection for the building.

The invention belongs to the technical field of building construction, and particularly relates to an environmentally friendly waterproof leakage stopping material and a preparation method thereof. The environmentally friendly waterproof leakage stopping material is prepared from the following raw materials in parts by weight: 50-100 parts of silicate, 10-35 parts of aluminate, 10-40 parts of redispersible rubber powder, 0.5-15 part of quartz sand, 5-20 parts of calcined gypsum powder, 1-10 parts of a retarder and 1-10 parts of an additive. The waterproof leakage stopping material which is prepared by the provided formula and the preparation method is environmentally friendly and toxic-free, and is high in bending resistance, high in impermeability pressure, high in wet base surface bonding strength and high in acid resistance.

The invention discloses high-performance corrosion-resistant dry-mixed waterproof mortar. The high-performance corrosion-resistant dry-mixed waterproof mortar is prepared from the following raw materials in parts by weight: 60-70 parts of cement, 35-45 parts of mineral powder, 10-30 parts of coal ash, 300-500 parts of regenerated fine aggregates and 5-10 parts of a compounded additive, wherein the compounded additive is prepared from the following raw materials in parts by weight: 40-60 parts of coal ash, 5-7 parts of a water repellent, 40-50 parts of an expanding agent, 2-5 parts of an air-entraining and water-reducing agent, 2-4 parts of anti-crack short fiber and 2-10 parts of a water-retaining thickening agent. By virtue of a dry-mixing form, the high-performance corrosion-resistant dry-mixed waterproof mortar is convenient to use, and the sulfate corrosion can be effectively prevented.

The invention specifically relates to an anionic water-based waterproof paint and a preparation method thereof, belonging to the field of waterproof paints for buildings. According to the invention, the anionic water-based waterproof paint is dissolved in water, then the dissolved paint is directly brushed onto the surface of cement mortar, and an aqua immediately penetrates into the structure of the cement mortar; when cement comes across water, cations are ionized and react with anions in the dissolved paint to produce a crystal insoluble in water to block capillary channels of the cement mortar, so compaction, impervious and waterproof effects are obtained; and the concentration of an activator can be increased, cracks do not occur after painting of the paint, and a technical blank in the world is filled in.