48results about How to "High hardening strength" patented technology

The invention relates to a cement-based self-leveling mortar, and more particularly relates to a macromolecular adhesive cement. The macromolecular adhesive cement comprises the components in parts by weight: 80-100 parts of water-borne epoxy resin, 16-20 parts of water-borne epoxy curing agent, 120-150 parts of complex portland cement, 30-50 parts of quartz silt powder, 10-15 parts of water, 35-50 parts of pigments and fillers, 0.3-0.5 parts of wetting dispersant, 2-6 parts of self-leveling additives, and 2-5 parts of water-borne color paste. The macromolecular adhesive cement disclosed by the invention is a single-component, dry-powder-shaped and water-borne self-leveling cement-based hard/soft type waterproof adhesion-blocking and leveling material which is processed via scientific proportioning, integrates the functions of water prevention, adhesion, blockage and leveling, as well as is non-toxic and odorless, and belongs to cement-based macromolecular polymer water-borne dry-powder waterproof mortars.

The invention relates to a building brushing plaster and preparing method, including semiwater plaster and water retention agent, its character: also anhydrite powder and exciter is added to it, where wt% of each component: anhydrite powder 80-90, semwater plaster 3-13, exciter 1-7 and water retention agent 0.1-0.3. its preparing method: 1), milling natural anhydrite into powders by industrial ball mill, where the particle size is that the rest is less than 3% by 200 eye screen and the specific surface area is 4500-7000 sq cm/g; 2), preparing raw material: according to the demand, additionally adds in hydraulic cementitous material, which accounts for 0-15% of total weight; 3) weighing all the raw materials, mixing in the mixer to make the brushing plaster powder at once. The fine sand less than 5 mm can be added to mixed raw materials according to the demand to make the bushing substrate. It has water proofness.

The invention discloses a natural anhydrite based lightweight interior wall plastering gypsum material used in the field of construction, and a preparation method thereof. The natural anhydrite based lightweight interior wall plastering gypsum material is prepared from the following components in percentage by weight: 75-85% of natural gypsum powder, 5-10% of alkali activator, 5-10% of lightweight aggregate, 0.5-2.0% of acidic activator, 0.3-0.5% of water-retaining agent and 0.50-1.0% of cement powder. The preparation method of the natural anhydrite based lightweight interior wall plastering gypsum material comprises the following steps: weighing well-ground gypsum powder based on the weight percentage according to claim 1; uniformly mixing the gypsum powder in a mixer to obtain the natural anhydrite based lightweight interior wall plastering gypsum material. The natural anhydrite based lightweight interior wall plastering gypsum material disclosed by the invention has the advantages of good stability, water-retaining capacity, sagging capacity, large unit plastering area, light weight, heat preservation, good adhesive performance, firm adhesiveness, slight expansibility, convenience for construction, and capabilities of greatly enhancing the adhesiveness between the product and a base material, avoiding undesirable effects such as cracks and realizing both manual construction and mechanized construction.

The invention discloses a curing agent in ceramsite carrier concrete. A preparation method of the curing agent comprises the following steps that an acrylic acid solution, 2-acrylamide-2-methacrylic acid, initiators and crosslinking agents are uniformly mixed to prepare a reaction solution a; an etherificated sodium alginate solution, an acrylamide solution, initiators and crosslinking agents areuniformly mixed to prepare a reaction solution b; ceramsite is sequentially soaked in the reaction solution a and the reaction solution b, and is sequentially subjected to microwave treatment. Firstly, the ceramsite is used as a carrier; the polymerization of water absorption resin is performed inside and outside the ceramsite; meanwhile, a hole-inside hole-outside two-step method is used; the building of polymers with different water absorption rates inside and outside holes is realized; the prepared curing agent in the ceramsite carrier concrete can greatly improve the humidity inside the concrete; the early-period reduction and shrinkage effect of the concrete is obvious; meanwhile, the curing agent in the ceramsite carrier concrete has the advantages that the water absorption and waterrelease rate is slow; the use performance such as concrete strength is favorably guaranteed; important application and promotion values are realized.

The invention discloses a water glass sand hardener which is composed of the following components in percentage by weight: 20-80% of organic ester, 6-24% of phosphoric acid with the mass concentration of 80%, 2-8% of soluble acid phosphate, 1-4% of urea and 11-44% of water. The preparation method is as follows: mixing and dissolving the soluble acid phosphate and the urea into the water to form a solution; and evenly mixing with the phosphoric acid and the organic ester to obtain the water glass sand hardener. The water glass sand hardener of the invention has the advantages of convenient use, good hardening effect, low cost and controllable hardening speed, can obviously lower the water glass addition and obviously improves the moulding sand collapsibility.

The invention discloses an energy-saving type impervious waterproof building concrete and a preparation method thereof. The raw materials comprise, by weight part, 68-75 of Portland cement, 23-25 of black soil powder, 12-15 of graphite powder, 8-10 of aluminum nitride powder, 3-4 of iron oxide red powder, 10-15 of a mushrooms cultivation material, 0.4-0.6 of tetramethyl guanidine, 2-4 of calcium stearate, 1.5-2.0 of sodium tripolyphosphate, 0.8-1.0 of sodium tartrate, 1.2-1.5 of amino sulfonic acid, 2-4 of a milky white glue, 4-5 of zinc chloride, 1.0-1.5 of sodium alginate and a proper amount of water. The concrete provided by the invention has the characteristics of high hardening strength, good water resistance, impermeability and watertightness, and suitable setting time. The concrete provided by the invention adopts a variety of waste materials as the raw materials, saves energy, reduces pollution, and has small dosage of additives, thus reducing the production cost.

The invention discloses a cleaning briquette coal binder. The binder comprises the following raw materials: 0.13-0.30% of lead carbonate, 0.20-0.40% of magnesium chloride, 0.20-0.40% of calcium oxide, 0.20-0.40% of an oxidizing agent, 77.0-87.0% of a crosslinking agent, 0.15%-0.25% of sodium hydroxide, 0.30-0.60% of a tackifier, 0.15%-0.25% of magnesium sulfate, 1.50-2.50% of sodium humate, 0.20-0.30% of a smoke suppressant and 8.00-12.0% of kaolin. The briquette coal binder disclosed by the invention has the effects of suppressing smoke, preventing moisture, reducing dust, fixing sulfur, inhibiting nitrogen and the like, and is developed in line with the national situation of energy conservation, emission reduction and haze treatment according to China coal energy actual application and the characteristics of the haze formation cause in recent years; the binder has prominent energy conservation and emission reduction effects and an oxidative combustion-promoting effect; and since the binder is fully burnt, the energy conservation effect is achieved.

The invention discloses anhydrite-based light plastering mortar and a preparation method thereof. The anhydrite-based light plastering mortar which is light, energy-saving, good in comprehensive performance and simple in process and is prepared by taking anhydrite as a main material is researched and developed, and the anhydrite-based light plastering mortar has important practical significance. The anhydrite-based light plastering mortar is composed of anhydrite, cement, fly ash, an excitant, vitrified microbead, a thickening agent and a water-retaining agent. The concrete is composed of thefollowing components in parts by weight: 65-70 parts of the anhydrite, 8-10 parts of the cement, 4-8 parts of the fly ash, 4-6 parts of the excitant, 0.15-0.2 parts of the water-retaining agent, 0.1-0.15 part of the thickening agent, and 13-16 parts of vitrified microbead. The anhydrite-based light plastering mortar is prepared by adopting anhydrite associated in a pyrite production process as a main material, calcination treatment is not needed, only physical grinding and mixing are needed, the preparation process is simple, energy is saved, and pollution is reduced; and the problems of hollowing and cracking of the traditional mortar are fundamentally solved.

The invention discloses a production method of a water-based capillary crystalline waterproof material convenient to produce and use. An additive comprises the following components: 30 parts of a gelmaterial, 16.7 parts of a crystallization accelerator, 0.12 part of an additive, 3 parts of a cement molecule secondary reactant, 0.07 part of an anti-freezing agent, 0.15 part of a metal ion complexing agent, 0.4 part of a curing agent, 1 part of a hydrophobic agent and 48.56 parts of a diluent. The materials of the components are subjected to burdening, stirring, mixing and filtering to obtain the water-based capillary crystalline waterproof material. The invention discloses a production method of a water-based capillary crystalline waterproof material convenient to produce and use. Jelly-shaped crystals and sulphoaluminate, silicate and the like participating in the reaction thoroughly form crystals under the action of sodium fluosilicate; in addition, in order to ensure that enough waterproof agents permeate into a concrete base layer, the reaction speed needs to be controlled, flocculent crystals are prevented from appearing too early, so that a metal ion complexing agent needs tobe used for delaying the reaction speed.

The invention discloses a C30 regenerated aggregate concrete and a preparation method thereof. The C30 regenerated aggregate concrete includes the following components: cement, mineral powder, fly ash, sand, cobble, water, an additive, and regenerated aggregate comprising activated iron tailing and waste slurry by the mass ratio of 1:0.3-0.6. The activated iron tailing is prepared through steps of: 1) drying iron tailing sand and red mud at 100-110 DEG C for 2-2.5 h; 2) adding sodium silicate and diatomite to the iron tailing sand and red mud, wet-milling the mixture for 10-20 min, drying themixture, calcining the mixture at 600-700 DEG C for 1-2 h, dry-milling the mixture for 10-15 min, and screening the mixture through a 200-mesh sieve to prepare the activated iron tailing. The C30 regenerated aggregate concrete is high in compressive strength, can reduce environmental pollution of the iron tailing and concrete waste slurry, saves resources and protects environment.

Provided is a preparation method of an energy-saving composite refractory material. The method includes the steps that a, magnesium oxide and calcium oxide are mingled, clear water is used for removing impurities in magnesium oxide and calcium oxide, and magnetic separation for removing iron is performed, then a pulverizer is adopted for smashing to obtain a first mixture after drying; b, fine serpentine powder, silicon carbide and waste tail slags are blended and disposed by a ball mill in a ball-milling mode to obtain a second mixture; c, the second mixture is added with a bonding agent, and stirred and mixed with a plasticizer after being stirred evenly to obtain a third mixture; d, the third mixture is disposed by calcination and drying to complete the whole process. Refractory materials prepared by the preparation method have the advantage of great thermal shock resistance, and meanwhile, since the silicon carbide generates a silicon dioxide layer film under a high temperature in a refractory material layer, the slags are prevented from soaking into the refractory material layer, and the corrosion caused on the refractory material layer by the slags is restrained.

Disclosed are intermediate-hydration-heat composite cement and a preparation method thereof, which relate to the field of a building material. The composite cement comprises the following components, by mass: (1) 40.0-55.0% of portland cement clinker, (2) 10.0-20.0% of aluminate cement clinker, (3) 2.1-8.0% of nanometer tin oxide, (4) 5.0-15.0% of glass fiber, (5) 5.0-10.0% of silica fume, (6) 5.0-10.0% of struvite, and (7) 2.5-5.0% of gypsum. The preparation method of the intermediate-hydration-heat composite cement comprises: (1) material preparation, (2) grinding, (3) pre-mixing, and (4) powder grinding. The intermediate-hydration-heat composite cement provided in the invention is prepared by utilizing both characteristics of the portland cement clinker and the aluminate cement clinker; the early strength and long-term strength of the materials are improved via a synergistic effect among each component; the hydration heat is effectively reduced; and affects of hydration heat on the molding and properties of the cement are avoided.

The invention provides an efficient energy-saving refractory material and a preparation method thereof. The efficient energy-saving refractory material is prepared from the following components: magnesium oxide, calcium oxide, modified zirconia fiber, high silicon gangue, high aluminum red mud, a binder and a plasticizer. The refractory material prepared by the method has good mechanical strengthand excellent fire resistance, and has a simple preparation method and is easy to produce on the existing equipment in large scale.

The invention provides a novel composite fire-resistant material and a preparation method thereof. The novel composite fire-resistant material is prepared by a fire-resistant base material, silicon carbide, waste tailings slag, partially stabilized zirconia, zirconium carbide particles, acrylated amine, methylene bisacrylamide, ammonium persulfate, an organic solvent, a binding agent and a naturalplasticizer. Compare with a traditional fire-resistant material, the prepared fire-resistant material is low in pore number, high in density, small in expansion rate and linear change on reheating, good in stability, excellent in thermal shock performance and good in wear resistance.

The invention relates to the field of water reducing agents and in particular relates to a polycarboxylic acid water reducing agent and a preparation method thereof. The water reducing agent is prepared from the following raw materials in parts by weight: 35 to 40 parts of polyethylene glycol, 10 to 15 parts of acrylic acid, 0.1 to 1 part of hydroquinone, 0.1 to 0.5 part of phenothiazine, 4 to 9 parts of ammonium persulfate, 1 to 5 parts of concentrated sulfuric acid, 3 to 8 parts of calcium hydroxide, 1 to 7 parts of lithium carbonate, 2 to 5 parts of sodium hydrogen bisulfite, 0.5 to 1.5 parts of sulfonated phenolic resin, 0.5 to 1 part of fulvic acid and a proper amount of water. According to the water reducing agent provided by the invention, the defects of an existing water reducing agent that the flowability is poor and the anti-permeability is poor are effectively overcome to a certain extent.

The invention discloses a novel super-white water-resistant putty powder and a preparation method thereof. The novel super-white water-resistant putty powder is prepared from the following componentsin parts by weight: 15 to 20 parts of superfine triple superphosphate, 25 to 30 parts of ash calcium powder, 0.5 to 2 parts of hydroxypropyl methyl cellulose, 40 to 50 parts of talcum powder, 0.1 to 1part of starch ether, 1 to 5 parts of latex powder, 0.51 to 2 parts of whitening agent, 7 to 15 parts of light calcium carbonate, and 2 to 3 parts of pearlescent pigment. The preparation method comprises the following steps of in the preparation process, weighing the components according to a ratio, and uniformly mixing, so as to obtain the novel super-white water-resistant putty powder. The novel super-white water-resistant putty powder has the advantages that the super-white and environment-friendly effects are realized, the paint is not used at certain degree, the technique is advanced, and the application effect is good. The invention also discloses a fully novel construction method for manufacturing the glittering and translucent white wall with similar carving effect by the super-white putty powder; the application prospect is broad.