82results about How to "Inhibit ubiquitination" patented technology

The invention belongs to the technical field of insulation material for building, and particularly relates to a foam cement insulation material for exterior wall and a preparation method thereof. The foam cement insulation material for exterior wall is prepared from raw materials comprising ordinary portland cement, sulphoaluminate cement, fly ash, silica fume, an expansive agent, a coagulating enhancer, a tackifier, a water-reducing agent, a waterproofing agent, a foaming agent, a foam stabilizer, fiber and water. The preparation method comprises the following steps: (1) first conducting dry mixing on ordinary portland cement, sulphoaluminate cement, fly ash, silica fume and the expansive agent, adding coagulating enhancer, tackifier, water-reducing agent, waterproofing agent, foam stabilizer, water and fiber, and stirring to obtain a slurry; and (2) adding the foaming agent in the slurry, and filling the foamed slurry into a mold. The foam cement insulation material for exterior wall has good fire resistance, long service life, good insulation property, light weight, high strength, low water absorption and good crack resistance.

The invention discloses a low-alkalinity tile glue, which comprises the following components in parts by weight: 30 to 45 parts of cement, 40 to 60 parts of fine aggregate, 8 to 15 parts of filling material, 0.2 to 0.5 part of water-retaining and thickening agent, 0 to 0.1 part of starch ether, 1 to 3 parts of redispersable latex powder, 0.1 to 0.3 part of water reducer, 0.1 to 0.3 part of retarder, 0.1 to 0.4 part of salt-petering resisting agent, 0.1 to 1.0 part of fiber, and 15 to 22 parts of water. The tile glue has the advantages of low alkalinity, salt-petering resistance, good construction performance, high adhesive strength, cavity and cracking resistance, and slippage resistance.

The invention provides exterior wall facing mortar with an inorganic characteristic and excellent crystalline bloom resistant performance. The facing mortar comprises double components, wherein a component A is an acrylic emulsion, and a component B mainly comprises 5 to 15 percent of high alumina cement, 0 to 2 percent of gypsum, 70 to 75 percent of quartz sand, 0 to 12 percent of ultrafine calcium carbonate and 0.1 to 1 percent of additive. The exterior wall facing mortar provided by the invention has the advantages that through using the acrylic emulsion, a continuous film layer is formed after the mortar is solidified, so that the mortar is guaranteed to have high bonding strength and good anti-aging performance; the migration of salt can also be effectively prevented or reduced, so that crystalline bloom is controlled; and besides, the selection of the ratio of the high alumina cement to portland cement can also achieve a control effect on crystalline bloom. A template coating obtained through the mortar is detected according to a JC/T1024-2007 wall body facing mortar standard, and all performance indexes meet the requirements, so that the exterior wall facing mortar can be widely applied to the decoration of building wall bodies.

The invention discloses anti-cracking, wear-resistant and seepage-proof compound mortar. The anti-cracking, wear-resistant and seepage-proof compound mortar is prepared from raw materials in parts by weight as follows: 20-30 parts of long and short reinforcing fiber, 15-20 parts of a waterproof additive, 10-20 parts of gelatine powder, 10-16 parts of a composite aid, 10-14 parts of glass beads, 65-75 parts of Portland cement, 55-65 parts of fine sand, 35-45 parts of composite filling sand, 1-2 parts of triethanolamine and 1-3 parts of sodium tripolyphosphate. The compound mortar has excellent anti-cracking, wear-resistant and efflorescence preventing properties and has better water resistance, seepage-proof property and adhesion force, relatively excellent impact resistance and thermal insulation and sound insulation effects and a certain pollutant air absorption function; besides, according to the provided preparation method, the material cost is lower, raw materials are easy to obtain, the process is simple, and the compound mortar has higher practical value and excellent application prospects.

The invention discloses a fireproof facing mortar composite layer. The fireproof facing mortar composite layer comprises a screed-coat, a surface layer and a coating, wherein the screed-coat is mainlyprepared from low-temperature calcination graphite, portland cement, quartz sand, rubber powder and a water-retaining agent, the surface layer is prepared mainly based on an aluminate cement-rich composite cementing material system (HAC-OPC-CS), and the coating is mainly prepared from silicone acrylic emulsion and nano-hybrid resin. By the multilevel composite fireproof mechanism of the screed-coat, the surface layer and the coating, the fireproof facing mortar composite layer achieves relatively good fireproof performance on the whole. The mortar composite layer obtained by the invention hasgood binding power with the basic surface of a wall body, and as inorganic materials account for the vast majority of ingredients, the mortar composite layer is particularly suitable for the decorative design of architectural outer walls of villas, foreign-style houses and the like.

The invention discloses a wall decoration inorganic finishing material. The wall decoration inorganic finishing material comprises silicate cement, high-aluminum cement, re-dispersible emulsion powder, an additive, quartz sand, bentonite, wollastonite and cellulose ether, wherein the additive is a mixed preparation of an organic silicon water repellent, an air entraining agent, a defoaming agent, wood fibers and starch ether. The product is breathable, flame-retardant, safe, environment-friendly and high in plasticity.

The invention belongs to the technical field of building materials, and particularly relates to a gypsum-based pouring mortar capable of preventing alkaline return and a preparation method thereof. The gypsum-based pouring mortar has the advantages that a water retention agent and an alkaline inhibitor are added into the gypsum to improve, and the microcrystalline cellulose is jointly used with amixed water retention agent, so that the synergistic function is realized, the usage amount is reduced, and the cost is reduced; by adopting the mixed water retention agent and the alkaline inhibitor,the alkalization of the gypsum is inhibited, and the strength of the gypsum is improved; the weight is light, the fireproof and flame-retardant properties are realized, and the appearance of a wall surface is attractive.

The invention belongs to the technical field of building construction methods, and particularly relates to a building outer wall protective and decorative structure and an application and construction technology. According to the building outer wall protective and decorative structure and the application and construction technology, by selecting a protective layer and the decorative layer, the protective layer is used for replacing a plastering layer and a putty layer in the prior art, the original putty layer is omitted, various properties and the service life of an external wall insulation structure are not affected, and the service life of the external wall insulation structure is prolonged to the same as that of a building from the original 25 years. According to the building outer wall protection and decoration structure and the application and construction technology, the construction process is greatly simplified, the construction efficiency is improved, and meanwhile the cost is reduced. In addition, the components of the decorative layer and the components of the protective layer have the same attribute, so that the problems of hollowing, falling, cracking and the like caused by large performance differences of linear shrinkage coefficients, hygrothermal expansion coefficients and the like of all layers of materials in the direction perpendicular to a thermal insulation layer are solved; the compactness and hydrophobicity of a facing layer and the protective layer are improved, meanwhile, the strength of the facing layer is improved, damage of rainwater erosion to the protective layer and the decorative layer is reduced, and the durability of the protective layer and the decorative layer is improved.

The invention provides an imitation stone product as well as a preparation method and application thereof, the imitation stone product comprises a surface layer and a bottom layer, and the surface layer comprises the following raw material components: electric furnace roller slag aggregate, quartz sand, stone chips, cement, titanium dioxide, an additive and water; wherein the total mass of the electric furnace roller slag aggregate, the quartz sand, the stone chips, the cement and the titanium dioxide is taken as a reference; wherein the mass percent of the electric furnace roller slag aggregate is 50-60 wt%; the mass percent of the quartz sand is 20 to 30wt%; the mass percent of the stone chips is 5 to 15 weight percent; wherein the mass percentage of the cement is 15-20 wt%, and the masspercentage of the titanium dioxide is 0.2-1.0 wt%. According to the imitation stone product produced by using the electric furnace roller slag as a main aggregate, cyclic utilization of industrial solid wastes is realized, and exploitation of natural resources is reduced.

The invention discloses an environment-friendly composite early-strength water reducing agent, which is characterized by including the following components in parts by weight: 15 to 20 parts of 3-(1-naphthyl) acrylic acid/3-[N, N-dimethyl-[2-(2-methylprop-2-enoyloxy) ethyl] ammonium] propane-1-sulfonic acid inner salt/4-vinyl-2, 3-dihydrobenzofuran/alliin copolymer; 4 to 8 parts of hyperbranched polylysine; 2-5 parts of sodium alginate; 4 to 7 parts of celestite; 1-3 parts of spar; 1 to 3 parts of N-(3-triethoxysilylpropyl) glucosamide; and 30-40 parts of water. The invention also discloses apreparation method of the environment-friendly composite early strength water reducing agent. The environment-friendly composite early-strength water reducing agent disclosed by the invention is remarkable in early-strength water reducing effect, small in mixing amount, capable of effectively improving the compressive strength of concrete, reducing the shrinkage rate of the concrete and shorteningthe production period of the concrete, free of obvious negative effects on the comprehensive performance of the concrete, and green and environment-friendly in preparation and use processes.

The invention discloses a preparation method of a waterproof agent, and belongs to the technical field of building waterproofing. A soap-free emulsion method is adopted in the process of preparing anacrylic emulsion; the water resistance and the cohesiveness of the waterproof agent are improved; corn starch reacts with epichlorohydrin, and grafted with acrylic acid, a graft with a network structure is obtained; coconut oil reacts with ethylene glycol butyl ether under an alkaline condition to obtain fatty acid salt; the plugging waterproof performance and the durability of the waterproof agent are improved; sodium silicate in the waterproof agent reacts with calcium ions in cement paste to generate a hydrated calcium silicate C-S-H colloidal core, C-S-H gel can be formed by the hydrated calcium silicate C-S-H colloidal core and calcium hydroxide in cement, and whiskering problem of the waterproof agent is avoided; sodium silicate is dissolved in water to form a colloidal sodium silicate aqueous solution, the particle size of the colloidal sodium silicate aqueous solution is smaller than that of cement particles, concrete micropores and gaps formed by hydration of the cement particles can be filled with particles of the colloidal sodium silicate aqueous solution, the microstructure of plastic slurry and set cement is improved, and the permeability of concrete to water is reduced.

The invention relates to a preparation method for an asphalt alkali-preventing water-resisting agent and a construction method for applying the same in prevention of efflorescence of stone. Measures are taken to prevent efflorescence. The preparation method for the asphalt alkali-preventing water-resisting agent is characterized by comprising the following operation steps: 1) weighing and boiling of asphalt; and 2) preparation of the asphalt alkali-preventing water-resisting agent. With the construction method provided by the invention, efflorescence of a natural stone wall surface laid in wet conditions can be effectively prevented, occurrence of efflorescence can be completely avoided as long as links like designing, material selection and construction are strictly checked and scientific control is controlled out, and the ancient building material--natural stone is allowed to play an amazing role in modern buildings.

The invention discloses a high temperature resistant glue powder comprising the following components in parts by weight: 50-70 parts of light nanometer calcium carbonate, 10-15 parts of alumina-silicate ceramic fibres, 4-7 parts of ethylene/vinyl acetate copolymer adhesive powder, 5-10 parts of pulverized fuel ash, 10-15 parts of polyacrylamide, 1-2 parts of calcium formate, 1-2 parts of polycarboxylates high performance water-reducing admixture, 1-2 parts of lignin, 4-6 parts of silicon alkyl water repellent, 3-5 parts of attapulgite, 1-3 parts of titanium white and 3-5 parts of nanometer silicon dioxide. A preparation method of the high temperature resistant glue powder comprises the following steps of: with the nanometer light calcium carbonate as a carrier, mixing the alumina-silicate ceramic fibres, the ethylene/vinyl acetate copolymer adhesive powder, the calcium formate, the water-reducing admixture, the water repellent, the lignin, the polyacrylamide, the pulverized fuel ash and the like together to prepare a white powder. The glue powder disclosed by the invention has the characteristics of no toxicity, no pollution, odorlessness, zero radioactivity and no alkalinity, and has a wide range of applicable temperatures. Coatings prepared by the high temperature resistant glue powder have the advantages of convenience for construction, good flatting property and quickness in film forming, and neither drip like a urine line nor roll up on surfaces.

The invention relates to a method for preparing an adhesive special for flexible veneers or flexible bricks. In the method, acrylic acid aqueous latex is modified by using polyurethane aqueous latex to improve the low-temperature flexibility of the acrylic acid aqueous latex, so the acrylic acid aqueous latex is not hardened at a low temperature and is not softened at a high temperature, and the water resisting property and the binding strength are improved. The method for preparing the adhesive special for the flexible veneers or the flexible bricks has the advantages that: 1, the adhesive is ready for use after a can is opened, does not need field mixing, and is convenient and efficient; 2, a sizing process of the adhesive can adopt a spray coating method or a knife coating method, and has high construction efficiency; 3, the adhesive has high thixotropic property and sag resisting property, the bricks can be adsorbed by applying light pressure instead of kneading and pressing brick bodies, so time and labor are saved; and 4, as the adhesive is semitransparent after being sprayed on a wall body, no influence on observing a snapped control line is generated, the face bricks can be glued along the control line which is snapped on a wall in advance, and the operation is simple and convenient.

The invention discloses gypsum-based colored facing mortar and a preparation method thereof. The gypsum-based colored facing mortar comprises 20-25 parts of gypsum, 5-10 parts of aluminate cement, 0-5 parts of Portland cement, 1-5 parts of fly ash, 70-80 parts of quartz sand, 3-6 parts of an additive and 0.5-1.0 part of a pigment, wherein the addition amount of water is 60-70% of the total mass of the gypsum, the aluminate cement and the Portland cement. According to the gypsum-based colored facing mortar disclosed by the invention, the saltpetering of wall facing mortar is controlled, various properties are excellent, and the prepared saltpetering-resistant colored facing mortar has the characteristics of no whitening, no cracking, high strength, light weight, water resistance, air permeability, good durability, rich colors and shapes and the like in the use process; the paint is suitable for indoor or outdoor wall decoration of buildings. The gypsum-based colored facing mortar is simple to prepare and rich in raw material source, and can be industrially produced and used in a large scale.

The invention discloses a composite cement-based anti-frosting tile binder, and belongs to the technical field of inorganic adhesives. A preparation method of the binder comprises the following steps:successively weighing in parts by weight: 45-55 parts of cement, 50-60 parts of sand, 5-6 parts of a water-retaining agent, 10-12 parts of epoxy soybean oil, 3-6 parts of a surfactant, 5-6 parts of ametal salt powder, 13-22 parts of an additive, and 9-16 parts of a modified microsphere, mixing cement and sand in a mixer, successively adding the water-retaining agent, epoxy soybean oil, the surfactant, the metal salt powder, the additive and the modified microsphere into the mixer, and performing stirring and mixing for 30-60 min at a temperature of 30-40 DEG C and a rotation speed of 300-400r/min to obtain the composite cement-based anti-frosting tile binder. The composite cement-based anti-frosting tile binder prepared by the technical scheme has excellent anti-frosting performance andbonding strength, and has broad prospects in the development of inorganic adhesive technology industry.

The invention discloses a waterproof grout for tiles, and belongs to the field of building materials. Reed leaves are subjected to crushing, refining, alkaline leaching and acid leaching treatment, added diatomite and sodium citrate provide adsorption and chelation effects to form a chelate together with calcium ions generated in the cement hydration process, and a soluble salt is effectively restrained from migrating to the surface, so the saltpetering phenomenon of a traditional grout is prevented; and a micro-block polymer with a surface active structure is prepared from polyether polyol, diphenylmethane diisocyanate and the like, and micelles formed around capillary pores disperse stress, so that migration of chloride ions, carbonate ions and the like in the capillary pores is effectively prevented, the chloride ion permeability resistance of the grout is remarkably improved, and the waterproof property is improved. The problems of poor waterproof property and high saltpetering tendency of existing common grouts are solved.

The invention discloses an environment-friendly building material and a manufacturing method thereof. The environment-friendly building material is characterized by comprising the following raw materials in parts by weight: 50 to 55 parts of cement, 35 to 45 parts of fly ash, 20 to 30 parts of steelmaking slag, 30 to 40 parts of plant fiber, 5 to 8 parts of sepiolite, 4 to 6 parts of bentonite, 8to 12 parts of quick lime, 0.6 to 0.8 part of magnesium silicate, 2.3 to 2.5 parts of a wetting agent and 1 to 2 parts of a functional additive. According to the prepared building material, the plantfiber, industrial waste gas, coal slag and steelmaking waste slag are utilized, and the waste is turned into the valuable; the sepiolite and other components are added, so the material has the effectsof heat preservation and sound insulation, and the material has low heat conductivity coefficient and good energy-saving effect; and the compressive strength and the impact strength of the finished wall building material are very high, so the building material is an environment-friendly building material.

The invention discloses environment-friendly pervious concrete. The environment-friendly pervious concrete is characterized in that the environment-friendly pervious concrete comprises the following components in parts by weight: 20-30 parts of cement, 0.5 to 1.5 parts of aluminum oxide nanotubes, 2 to 5 parts of N-(trimethoxysilyl propyl) ethylenediamine triacetic acid ammonium salt modified nanoaluminum powder, 60 to 70 parts of rough aggregate, 0.5 to 1.5 parts of nano porous hollow cage-shaped titanium oxide, 1 to 2 parts of porous polysaccharide microspheres, 0.1 to 0.4 part of sodium sulfonate-based hyperbranched poly (amine-ester) and 20 to 30 parts of water. The invention further discloses a preparation method of the environment-friendly pervious concrete. The environment-friendlypervious concrete disclosed by the invention is excellent in mechanical property, good in fatigue resistance and water permeability, good in comprehensive performance, wear resistance and durability,and safe and environment-friendly to use.