82results about How to "Freeze-thaw resistant" patented technology

The invention provides a light-weight fiber reinforced cement board. The light-weight fiber reinforced cement board comprises 100 parts of cement, 20 parts of silicon powder, 15 parts of calcium powder, 5 to 10 parts of expanded perlite, 4 parts of paper pulp, 5 to 15 parts of wood fibers, 5 to 10 parts of wood powder, 1 to 2 parts of polypropylene fibers, 0.8 part of methyl cellulose, 1 to 3 parts of sodium chloride, 1 to 3 parts of sodium sulphate, 2 to 3 parts of sodium silicate, and 230 to 300 parts of water. The invention also discloses a method for manufacturing the light-weight fiber reinforced cement board, which comprises the following steps of: 1, weighing each component according to formula; 2, placing the weighed dry materials into a mixer for uniformly mixing; 3, preparing wet materials, placing the mixed materials obtained by the step 2 into a kneader, adding water and the wet materials into the mixed materials, and kneading the mixture; and 4, placing the kneaded slurryinto a mold, performing compression moulding by using a plate fluidizing machine, and then demolding. The manufacturing method greatly improves the tensile strength, the impact strength, the water-retaining property, and the extrusion property of the materials.

The invention relates to an environment-friendly external wall thermal-insulation putty. The putty is prepared by adding paper making white clay slag, steel slag and pure calcium aluminate cement on the basis of the conventional formula, and thus, belongs to a pure inorganic material. The putty has the characteristics of environment friendliness, no toxicity or odor, light weight, higher strength, lower heat conductivity coefficient and the like, and thus, has the advantages of thermal-insulation property, light dead weight, flame retardancy, sound insulation, weather resistance, aging resistance, freeze-thaw resistance, moisture resistance, seepage resistance, stable performance, excellent operating performance, convenient construction, low manufacturing cost and the like, thereby satisfying the determination of the design or construction technical scheme. The putty is suitable for internal / external wall thermal-insulation engineering in the regions with hot summer and cold winter, regions with hot summer and warm winter and part of cold regions, is also suitable for thermal insulation for party walls, floors, channels, basements, floor heating and other positions of the buildings, and can achieve the energy-saving effect. The putty can also be used for energy-saving reconstruction of the existing buildings.

The invention relates to a process for mounting a splicing type low-carbon heat insulating energy-saving plate. The process is characterized by comprising the following specific steps of: processing a base layer; hanging a wire; anchoring a customized connecting hanging piece A; mounting a low-carbon heat insulating energy-saving plate of a bottom layer starting position; mounting a low-carbon heat insulating energy-saving plate; and cleaning the surface of the low-carbon heat insulating energy-saving plate, wherein a layer construction method from top to bottom is adopted during the installation. The invention has the advantages that the process for mounting the low-carbon heat insulating energy-saving plate is simple and quick; a special adjustable dry hanging connecting piece is matched; and a hollow splicing pipe is pre-embedded in a surface material decoration layer to ensure that the mounting process is firm and reliable and saves labor and time, thereby the construction period is shortened, and the mounting cost is greatly reduced.

The invention belongs to the technical field of building walls and discloses a soft ceramic wall surface composite material. The soft ceramic wall surface composite material is prepared from, by mass,10-35 parts of polymer emulsion, 25-65 parts of inorganic filler, 0.1-0.2 part of a wetting agent, 0.2-0.4 part of an antifoaming agent, 0.1-0.3 part of cellulose, 10-15 parts of deionized water and0.1-0.3 part of polyvinyl alcohol fibers. The soft ceramic wall surface composite material has advantages of high water-repellency breathability, light weight, flexibility, acid-base resistance, freeze thawing resistance, aging resistance, quake resistance, crack resistance and high exterior wall external insulation system compatibility. The soft ceramic wall surface composite material overcomes potential safety hazards including proneness to falling to hurt people and the like of traditional ceramic tiles, mosaics and the like and is especially suitable for serving as an exterior wall facingmaterial for high-rise buildings and exterior wall external insulation systems. Especially, the soft ceramic material can be adhered directly to an old wall without knocking off old ceramic tiles andmosaics in old wall renovation or space renovation.

The invention is a method making curb stone and drainage tank. The technical project as follows: use magnesia as gelatinizing agent, magnesium-chloride water solvent as solidifying one, and sand, mine waste residue, stone scraps and fiber material as aggregate, fill reinforced denaturing agent, coloring agent and waterproof agent, stir in a certain proportion to make denatured magnesium-oxygen concrete, shape by mould press or extrusion and maintain to make the finished product which can be used to separate road, drainage and slope protection placed on two sides of road, railroad and street and used as decorative stone material.

To overcome the problems that an existing industrial solid waste treatment technology is low in treatment capacity and that industrial solid waste cannot be well utilized, the invention provides SCS sub-nanometer silicon spar and a preparation method thereof. The SCS sub-nanometer silicon spar is prepared mixing raw materials including solid powder and water in a weight ratio of 1: (0.3-0.6). Thesolid powder comprises the following components in percentage by weight: 75 to 95% of industrial solid waste, 3 to 15% of a mineral raw material and 2 to 10% of a chemical raw material. The preparation method of the silicon spar comprises the following six steps: preparation of the raw materials, preparation of slurry, spray drying, distribution control, powder firing, and processing and forming.The novel SCS sub-nanometer silicon spar material prepared by the invention has excellent performances which are incomparable by conventional building materials, such as light weight, high strength, heat preservation performance, water resistance, moisture resistance, sound insulation performance, noise reduction performance, fire resistance, durability, freeze thawing resistance and easiness in cutting and processing, and is a novel building wall material with high quality.

The invention discloses a coal ash thermal insulating material and a preparation method of the coal ash thermal insulating material, belongs to the field of building material, and relates to a thermal insulating material and a preparation method of the thermal insulating material. The coal ash thermal insulating material is prepared by expanding and sintering coal ash and soda ash serving as raw material. The preparation method comprises the following steps of: mixing and stirring the coal ash and the soda ash in proportion; preheating the mixture to 600-1000 DEG C in a rotary kiln, and introducing the preheated mixture into a temperature resistant distributor; uniformly distributing a layer of material from the upper part of a tunnel kiln to a kiln car located inside the high-temperature area of the tunnel kiln by using the distributor, sintering and expanding the material at 1200-1250 DEG C so that the material is bonded together; when the material inside the tunnel kiln is sintered and formed to the prescribed thickness, sending the material and the kiln car out of the tunnel kiln, distributing, sintering, expanding and forming the material inside next kiln car, and repeatedly carrying out the operations; and introducing the material sent out of the kiln car into an insulating kiln, carrying out thermal insulation for 24 hours, then reducing the temperature to be below 300 DEG C, and cooling, cutting and forming. The preparation method disclosed by the invention has the advantages of controllable kiln temperature, low production cost, and good thermal insulation effect; moreover, place and equipment are saved.

The invention discloses stone powder waste material regeneration easy plaster and a preparation method thereof. The stone powder waste material regeneration easy plaster is prepared from the following ingredients: 55 percent to 65 percent of waste stone powder, 20 percent to 30 percent of not-dried sea sand, 10 percent to 18 percent of cement, 1 percent to 3 percent of redispersible latex powder, 0.2 percent to 0.3 percent of hydroxypropyl methyl cellulose and 0.2 percent to 0.4 percent of hydrophobing agents. The stone powder waste material regeneration easy plaster is prepared by extracting stone powder waste materials and performing drying and recycling; the effects of environment protection and no pollution are achieved; the advantages of high bonding strength, high anti-permeability force, good water resistant performance, heat resistance, freeze thawing resistance and ageing resistance are realized.

The invention provides a base latex coating for an interior wall. The base latex coating comprises the following components in part by weight: 8 to 20 parts of water, 2 to 4 parts of cosolvent, 0.5 to 1.2 parts of dispersant, 0.1 to 0.25 part of wetting agent, 0 to 40 parts of pigment, 0 to 65 parts of filler, 8 to 70 parts of emulsion, 0.2 to 1 part of thickener and 0.1 to 0.4 part of defoaming agent. The invention also provides a preparation method for the base latex coating for the interior wall. According to the method, the material adding sequence and mixing conditions are specified. The base latex coating for the interior wall has the advantages of water resistance and alkali resistance, can keep good performance under the action of ultraviolet, has functional characteristics of freezing and thawing resistance and the like, is nontoxic, has low content of volatile organic compounds (VOC), can meet the application requirement of the interior wall at present, and has an active environment-friendly significance.

The invention discloses a building heat insulation material, and belongs to the technical field of building materials. The building heat insulation material is prepared from, by mass, 36-45% of ordinary Portland cement, 15-25% of ceramic waste, 15-25% of coal ash, 5-10% of magnesium oxide, 5-8% of hydrogen peroxide and 2-6% of a modification additive. Compared with the prior art, the building heat insulation material has the technical advantages that the ceramic waste, the coal ash and other industrial waste are selected and used in the formula, so that production cost is reduced, and meanwhile the environmental pollution problem brought by stockpiling treatment of the ceramic waste and the coal ash is relieved; the selected ceramic waste and coal ash can improve the heat insulation performance of the heat insulation material, and the heat insulation material has weather resistance, corrosion resistance, freezing and thawing resistance and the like; the selected modification additive has the foam stabilizing effect and further has the effect of prompting rapid coagulating and hardening of cement and the ceramic waste and rapid coagulating and hardening of cement and the coal ash.

The invention provides inorganic active thermal-insulation mortar. The inorganic active thermal-insulation mortar is prepared from the following raw materials in parts by weight: 100 to 140 parts of cement, 110 to 150 parts of inorganic lightweight aggregate, 15 to 25 parts of ash calcium powder, 15 to 25 parts of fly ash, 50 to 70 parts of active magnesium oxide powder, 18 to 28 parts of silica powder, 20 to 40 parts of nano clay, 0.3 to 0.5 part of anti-crack fibers, 1 to 1.5 parts of a thickening agent, 0.5 to 1 part of a water repellent and 0.05 to 0.1 part of an air entraining agent. The inorganic active thermal-insulation mortar provided by the invention has the characteristics of environmental protection, no toxicity, aging resistance, pressure resistance, impermeability and high strength, is safe and reliable, realizes A-level fire prevention, presents good heat insulation performance and has a heat conductivity coefficient as low as 0.059; the waterproof and anti-cracking performance of the motor is excellent, a waterproof film is formed on the surface of the produced motor after the motor is naturally dried, and the waterproof and anti-cracking performance is achieved; and the anti-freezing and anti-thawing performance of the motor is excellent, and construction can be performed at a temperature of -15 DEG C.

The invention discloses a curtain wall decorative finish vacuum heat insulation board and belongs to the technical field of building external wall materials. A board body of the curtain wall decorative finish vacuum heat insulation board is composed of a connecting layer, a resistor bridge layer, a vacuum heat insulation layer, an anti-cracking layer and a curtain wall decorative finish layer from inner surface to the outer surface, nanometer perlite, vacuum glass micro beads and other auxiliary materials are prepared into different slurries, and the curtain wall decorative finish vacuum heat insulation board is manufactured through forming, curing, edge trimming, steaming, drying steps and the like. The curtain wall decorative finish vacuum heat insulation board has the advantages of being low in dry surface appearance density, low in heat conductivity coefficient, high in compressive strength and high in burning resistant performance class, has a fire-proof function and further has the advantages of being light in weight, heat-insulation, high in size stability, anti-aging, anti-freezing, convenient to install, simple in construction, attractive in appearance and the like. Raising dust pollution caused by powder usage is reduced in the construction process, construction time is saved by 60% in construction period, construction cost is greatly reduced, and energy saving in building construction is really achieved.

The invention relates to the technical field of interior wall water paint. The invention provides an interior wall water paint and a preparation method thereof. A water-based special emulsion is used,and the inner wall water paint is prepared by matching a coalescing agent, an additive, a pigment filler, water and the like; the obtained interior wall water paint has excellent performances such asscrub resistance, freeze-thaw resistance, high contrast ratio, good water resistance and the like; the comprehensive performance is superior to that of a superior product of GB / T9756-2018 'syntheticresin emulsion coatings for interior wall'; meanwhile, the interior wall water paint provided by the invention has the advantages of ultralow VOC, zero formaldehyde and ultralow heavy metal element content, the content of dichloro-zinc-based isothiazolinone (DCOIT) is less than 50 mg / kg, and the total content of isothiazolinone is less than 400 mg / kg.