43results about How to "Not easy to empty" patented technology

The invention discloses modified direct-scraping thin-layer plastering mortar and a construction method. The plastering mortar is prepared from the following components in parts by weight: 150-200 parts of cement, 700-820 parts of sand, 60-90 parts of mineral micro powder, 0.5-1.2 parts of dispersible latex powder, 0.5-1 part of a thickening agent, 0.2-0.6 part of alkaliproof fibers, 0.1-0.5 part of thixotropic lubricant powder, 0.5-2 parts of multifunctional powder and 150-170 parts of water. The mortar materials disclosed by the invention are small in construction dosage, simple in technology, excellent in bonding force, excellent in crack resistance, and not liable to hollow and crack, the efficiency is greatly improved, and the cost is reduced.

The invention discloses a rapid-hardening terrace material comprising following components, by weight, 30-34 parts of Portland cement, 5-10 parts of high-aluminum cement, 35-45 parts of quartz sand, 0.08-0.22 parts of a water reducing agent, 0.06-0.13 parts of a defoaming agent, 0.6-1.5 parts of a redispersible latex powder, 2.5-4 parts of gypsum powder, 0.1-0.2 parts of a retarder and 0.1-0.15 parts of a thickening agent. A preparation method of the rapid-hardening terrace material comprises following steps: (1) mixing the components uniformly to obtain a mixture material; and (2) adding water to the mixture material with stirring uniformly with an addition amount of the water accounting for 20-22% of the total mass of the mixture material. The rapid-hardening terrace material can be dried and hardened rapidly, is good in anti-shock performance, is not liable to swelling, is gravity roller compaction resistant, is good in joint performance with concrete ground, is sun-tolerant and is especially suitable for repairing and renewing old terraces and constructing a new terrace.

The invention relates to a cement concrete deck lamina repairing agent, which comprises a component A and a component B. The component A is polymer emulsion which is either pure acrylic emulsion or styrene-acrylate emulsion. The component B is a powdered material rich in fiber, which is prepared with the following components by weight: 35 to 75 percent of an expansion agent; 0 to 20 percent of sodium sulphate; 0 to 6 percent of a water reducer; 0.5 to 6.0 percent of synthetic coarse fiber, 0 to 42 percent of pulverized fuel ash or powdered ore. After the component A and the component B are added to and mixed in concrete mixture pro rata, the repaired hardened concrete and the original concrete have high crack resistance, crush resistance, impact and grinding resistance and stripping resistance; the repaired concrete can be open to traffic after 24 hours. The cement concrete deck lamina repairing agent can be used for repairing laminae of cement concrete deck and road.

The invention discloses a hollow displacing repairing method of a hollow exterior wall tile. The method comprises the following steps of (1), performing hollowness inspection, wherein a hollowness range is determined through hammering by a hollowness hammer and marking an exterior wall surface range to be cut and shoveled by means of a marking pen; (2), cutting and shoving the hollow tile, namelyfirstly cutting the exterior tile edge of the exterior wall surface range which is to be cut and shoveled and is determined in the step (1) by means of a cutting machine, and shoveling the external wall surface by means of a tool chisel until the external wall surface is totally shoveled; (3), cleaning a base layer; (4), performing interface processing, namely applying an interface agent at a shoveled part for reinforcing the base layer and improving bidirectional adhesion; (5), applying a mortar layer and leveling, namely leveling an original white layer or an inorganic mortar layer for a thickness of 3-5mm below the upper surface by means of polymer mortar or inorganic temperature-insulating mortar; (6), performing cracking-resistant reinforcing layer construction, namely hanging a net by means of decorative mortar on a leveling layer, and fixing the net by means of anchor bolts after the net is hung; and (7), mounting surface tiles.

The invention discloses a modular prefabricated concrete circular arc chamfering waterproof system for waterproof paving of roofing coils. The modular prefabricated concrete circular arc chamfering waterproof system is applied to a corner at a connection position of a roofing parapet and a roofing board. The waterproof system includes a plastering layer arranged on the roofing parapet and a screed-coat, an insulation layer, an isolating layer, a protective layer and a waterproof layer, wherein the screed-coat, the insulation layer, the isolating layer, the protective layer and the waterproof layer are arranged on the construction roofing board; the waterproof system further includes modular prefabricated concrete circular arc chamfering which is paved at the corner at the connection position of the roofing parapet and the roofing board; the prefabricated concrete circular arc chamfering is internally provided with anti-cracking steel bars; a waterproof flashing closure is arranged at the splicing head position of the prefabricated concrete circular arc chamfering and the plastering layer of the parapet; and a gap is reserved at the splicing head position between the prefabricated concrete circular arc chamfering, a gap is further reserved at the splicing head position of the prefabricated concrete circular arc chamfering and the screed-coat, and the gaps are filled with waterproof ointment. The problems of large randomness, difficult shape control and poor molding quality when the circular arc chamfering is made by adopting cement mortar by plasterers are solved.

The invention discloses an anti-cracking composite wall body decorating plate. Tiles, coating and outer wall decorating plates are mainly used for outer wall decorating and have advantages and shortcomings. An existing outer wall decorating plate is made of cement or metal, self weight is high, construction difficulty is high, and the empty-drum phenomenon can happen easily. Composite sizing agents are used for binding two mortar cloths, then a double-roller plate maker is used for carrying out rolling, and the wall body decorating plate is formed. The composite sizing agents mainly comprises 10-40 parts of cement, 20-70 parts of quartz sand, 2-10 parts of low-temperature elastic VAE emulsion or alkali-resisting acrylic emulsion, 0.1-0.5 part of cellulose ether, 0.05-0.2 part of early strength agents, 0.1-0.5 part of PP fibers, 0.1-0.3 part of wood fibers, 0.05-0.1 part of polystyrene foaming particles, 10-20 parts of perlite and 15-45 parts of water. The plate is high in strength and real in appearance, the empty-drum phenomenon and falling off can not happen easily, any specification can be formed by cutting, construction is easy, and construction cost is low. The light material polystyrene foaming particles and the perlite are added into the composite sizing agents, so that the plate is thick and light, rigidity is high due to the thickness, and elasticity is achieved.

The invention relates to a liquid cooling system for a server. As a liquid filling and liquid recovering device is detachably connected with a refrigeration device, a refrigerant is pumped in the refrigeration device or the refrigerant is exhausted from the refrigeration device. The operation is convenient, liquid filling and draining on a liquid storage tank and a blade can be realized, and liquid filling and draining can be realized for a certain blade in a condition of realizing no to influence normal refrigeration of other blade servers.

The invention discloses a novel environmental-protection adhesive for buildings, which is mainly characterized in that vinyl acetate is used as a polymerization monomer; crylic acid, butyl acrylate and styrene are used as functional monomers; polyvinyl alcohol (PVA) and vinyl acetateethylene emulsion (VAE) are used as protective colloids; nano silicon micro powder is used as an anti-caking agent; and ethyl benzoate and 0# colloid crystal are used as modifiers. The main monomer and the functional monomers are prepared into emulsion through multi-element copolymerization; the protective colloids, the anti-caking agent and the modifiers are added to prepare powder through spray drying. The raw material formula comprises the following components: 8-10 percent of polyvinyl alcohol, 0.3-0.5 percent of polyoxyethylene octylphenol ether-10 (OP-10) emulsifying agent, 0.1-0.15 percent of ammonium persulfate, 25-30 percent of vinyl acetate, 0.05-0.1 percent of sodium hydroxide, 20-25 percent of vinyl versatate, 2-2.5 percent of butyl acrylate, 3-5 percent of ethyl acrylate, 0.05-0.15 percent of silicone, 3-5 percent of styrene, 30-40 percent of ethyl acrylate-acetic acid copolymerization emulsion, 8-12 percent of ethyl benzoate, 10-15 percent of silicon micro powder and 5-10 percent of 0# colloid crystal. The novel environmental-protection adhesive for the buildings is added to interior and exterior wall putty powder proportionally, and thereby, the characteristic of the putty powder can be improved. The novel environmental-protection adhesive for the buildings mainly has obvious effects of improving anti-caking performance, bonding force, waterproofness, improving low-temperature service performance, enhancing hardness and preventing hollowing, cracking and dropping.

The invention discloses an environment-friendly tert-carbonic acid organic silicone acrylic modified copolymer emulsion for a ceramic tile back adhesive. The copolymer emulsion is prepared from the following raw materials in parts by weight: 10 to 20 parts of styrene, 20 to 40 parts of acrylate, 5 to 20 parts of vinyl versatate, 2 to 10 parts of a functional monomer, 2 to 5 parts of an emulsifier,0.2 to 0.4 part of a water-based initiator, 0.1 to 0.3 part of a redox agent, 0.1 to 0.5 part of a preservative, and 40 to 60 parts of deionized water. According to the invention, the environment-friendly tert-carbonic acid organosilicone-acrylic modified copolymer emulsion for the ceramic tile back adhesive is prepared by polymerizing acrylate, tert-carbonic acid, styrene and organosilicon macromolecules; raw materials are environmentally friendly and meet the environmental protection standard requirements, and experimental research shows that the copolymer emulsion is high in bonding strength, not prone to hollowing and brick falling, convenient to construct and good in water resistance, freeze thawing resistance, aging resistance and the like.

The invention relates to the field of concrete building materials, and particularly discloses full-light concrete for a concrete structure floor and a preparation process of the full-light concrete. The full-light concrete for the concrete structure floor comprises the following components in parts by weight: 400-500 parts of cement, 250-350 parts of coal ash, 460-540 parts of shale ceramsite, 80-100 parts of ceramic hollow microspheres, 35-45 parts of reinforced fibers, 8-14 parts of a water reducing agent, 6.5-8.5 parts of a thickening agent and 300-400 parts of water. The preparation methodcomprises a cementing material premixing procedure, a light aggregate premixing procedure and a concrete mixing procedure. A composition/product provided by the invention can be used for structural floors, and has the advantages of light weight, high strength and excellent construction performance.

The invention discloses a single-component paste elastic ceramic tile interface treatment agent preparation and construction processes, and relates to the technical field of ceramic tile adhesives. A single-component paste elastic ceramic tile interface treatment agent comprises the components by weight: 45-55 parts of a 80-100 mesh quartz powder, 25-35 parts of a 200 mesh quartz powder, 18-22 parts of a 320 mesh quartz powder, 25-35 parts of a mortar modifier, 0.05-0.15 part of a thickener, 0.05-0.15 part of a bactericide, 2-4 parts of a penetrant, 0.05-0.15 part of a dispersing agent, and 1-3 parts of a season regulator. The treatment agent makes bonding between cement mortar and the back of a whole-body tile extremely firm; the traditional cement mortar is used for pasting a ceramic tile, the mortar is easy to move, space between the ceramic tile and a wall body is full, and the face close to the wall body is not easily hollow; and the treatment agent is scraped and the cement mortar is applied for pasting immediately, and thus the process is simple.

The invention belongs to the technical field of building materials, and relates to a novel coating for building wall surfaces. The novel coating is composed of the following components in percentage by mass: 25-35% of silicon dioxide fiber, 30-50% of perlite micro powder, 10-20% of hollow glass beads and 20-30% of sericite powder. The coating replaces cement mortar to be smeared on the surface of a building, so that the wall surface is flat and smooth, the coating property is stable, and the heat insulation and sound insulation effects are good.