152results about How to "High softening coefficient" patented technology

The invention relates to a gypsum-cement binding material and a production method thereof. The material contains gypsum binding material, active admixture, alkaline excitant, oagulation accelerator, lime, water-reducing agent, early-strength agent and gypsum hemihydrate. The weight proportions of the components are as follows: 40%-80% of gypsum binding material, 10%-45% of active admixture, 4%-15% of alkaline excitant, 0-6% of coagulation accelerator, 0-1% of early-strength agent, 0-1% of water-reducing agent, 0-5% of lime and 0-10% of gypsum hemihydrate. The production method comprises the following steps: weighing raw materials at the given ratio, mixing all raw materials, and packaging. The inventive gypsum-cement material has high strength, good water resistance and good volume stability; and can be used as masonry cement, cement mortar, gypsum plaster, jointing gypsum and heat-insulating mortar.

The invention relates to compound thermal insulation plastering material for external wall, which consists of a compound cementing material and a lightweight aggregate. The compound cementing material consists of cement, active admixture, lime powder, promoter, surfactant, anti-crack and waterproof agent, water retaining agent, flame retardant, re-dispersible emulsion powder, alkali-resistance fiber and coal flying ash cenosphere; the lightweight aggregate consists of EPS grain and expanded perlite. The invention has the advantages of low density, thermal performance, high strength, good impact resistance, bond strength and low shrinkage. The compound cementing material adopts a plurality of polymeric cementing materials, allows the insulation material to have good bond performance and simultaneously ensures falling and slipping resistance performance. The invention has good water resistance and high softening coefficient. By using cement-based cementing material as main material and organic reinforced material and waterproof component as auxiliary materials, the invention has a hydrophobic rate more than 98 percent and a softening coefficient more than 0.7. The invention can save energy and protect environment. A great deal of industrial waste residue is used in the materials, which can save a great number of energy, realize resource utilization of the waste residue and is in favor of environmental protection.

The invention discloses a water-resistant magnesium oxysulfate fire-proof plate and a manufacturing method thereof and belongs to the field of fire-proof plate production. The fire-proof plate is prepared by adding active filler into slurry, mixing, hardening under a certain condition and demoulding, wherein modified magnesium oxysulfate is taken as a base material and medium-alkali glass fiber and non-woven fabrics and other materials are taken as a skeleton. Compared with the prior art, the fire-proof door core plate disclosed by the invention has no moisture absorption, higher durability than a conventional glass magnesium plate and smooth and beautiful appearance. The fire-proof plate can be applied to the field of building fire protection, especially fire protection engineering under a humid environment and has a good popularization and application value.

The invention discloses a foaming agent for foam concrete. The foaming agent is prepared by uniformly mixing and stirring the following raw materials at room temperature, by weight : 5-10 parts of sodium dodecyl benzene sulfonate, 2-4 parts of sodium alcohol ether sulphate, 1-2 parts of sodium lauroyl sarcosinate, 1-2 parts of cocamidopropyl betaine, 0.2-0.6 part of polyethylene glycol (120) methyl glucoside dioleate, 0.3-0.5 part of triethanolamine, 0.5-1 part of polyacrylamide, 1-2 parts of hydroxyethyl cellulose, and 60-70 parts of water. The invention has advantages of easily available raw materials, low cost and simple preparation process; and the produced foaming agent has advantages of good stability, no deterioration, easiness for long-term preservation, prolonged shelf-life, good foaming power, good peaceability with various foam concrete substrates, no defoaming and unrestricted range of usage.

The invention discloses a waterproof type phase-change heat storing plaster wallboard formed by reinforcing straw fibers. The plaster wallboard is compounded from the following raw materials in percentage by weight: 20-60% of plaster gelate materials, 10-25% of phase-change heat storing microcapsules, 1-7% of a composite water repellent, 25-55% of mineral micro powder, 0.1-0.6% of straw fibers, 0.8-1.5% of a binder, 1-5% of an exciting agent and 0.2-1.5% of a water reducing agent. The preparation method comprises the following steps of: 1) firstly, adding the plaster gelate materials, the mineral micro powder, the straw fibers and the exciting agent into a reaction kettle, adding water, and uniformly stirring the plaster gelate materials, the mineral micro powder, the straw fibers, the exciting agent and the water so as to obtain a material A; 2) sequentially adding the phase-change heat storing microcapsules, the composite water repellent, the binder and the water reducing agent into the reaction kettle, and stirring the material A, the phase-change heat storing microcapsules, the composite water repellent, the binder and the water reducing agent once again so as to obtain a material B; and 3) directly pouring the material B in the reaction kettle into a mold through a grouting pump so as to obtain the phase-change heat storing plaster wallboard, wherein a fiber cement board is arranged on the inner surface of the mold. The waterproof type phase-change heat storing plaster wallboard disclosed by the invention has the advantages of being suitable for operation under humid environment, simple in production technology and environment-friendly.

The invention discloses waterproof crack-resistant foam concrete and a manufacture method thereof. The waterproof crack-resistant foam concrete is formed by mixing and stirring of raw materials including, by weight, 220-350 parts of cement, 90-180 parts of microspheres, 1-6 parts of elastic particles, 0.30-0.45 parts of palm filaments, 60-160 parts of water, 2-9 parts of waterproof admixtures and foam. The waterproof crack-resistant foam concrete and the manufacture method thereof have the advantages that the raw materials such as industrial by-products, tailings powder or waste rubber powder and the palm filaments are adopted, and the multi-scale toughening principle on compounding of the elastic particles and fibers is followed, so that strength and crack resistance of the foam concrete are improved, and waste resource utilization is benefited; the adopted waterproof admixtures are highly compatible with other materials, and accordingly, water resistance and durability of the foam concrete are improved effectively; by the prepared foam which is fine, uniform and high in stability, anti-permeability and thermal performance of the foam concrete are improved; the foam concrete is applicable to heat insulation of building walls and roofs and roadbed refilling materials for highways in regions with soft soil and high water level.

The invention provides a special powder water-proofing agent for gypsum, which can obviously improve the hydrophobic property of a gypsum base material and is suitable for dry-mixed mortar. The powder water-proofing agent comprises the following components by weight percent: 15-30% of organic silicon polymer, 20-30% of kieselguhr, 30-50% of white carbon black and 5-10% of kaolin; the organic silicon polymer is one or few of methyl silicate, organic silane or organic siloxane, and the kieselguhr contains more than 90% of SiO2. According to the special powder water-proofing agent for gypsum, the organic silicon polymer is adsorbed by a porous high-purity silicon material, on the premise that the activity of the organic silicon polymer is guaranteed, the organic silicon polymer can be well dispersed and stored; the water-proofing agent has a simple formula, has wide source of feed, needs no complicated preparation technologies, can obviously improve the hydrophobicity of the gypsum material and the softening coefficient of the gypsum, has the advantages of small using amount and good water resistance, and is particularly suitable for the dry-mixed mortar of the gypsum base material.

The invention discloses a polyphenylene granular thermal-insulation mortar. Construction waste regenerated powder is added as an inert filler into common thermal-insulation mortar. The polyphenylene granular thermal-insulation mortar comprises ordinary Portland cement, construction waste regenerated powder, sierozem powder, silica fume, polyphenylene granule, wood fiber, polystyrene fiber, redispersible latex powder and cellulose ether. The thermal-insulation mortar has the advantages of low heat conductivity coefficient, stable thermal-insulation properties, high softening coefficient, freeze-thawing resistance and aging resistance, and is suitable for thermal insulation of various walls.

This invention relates to a method for preparing fireproof and heat-insulating board for architectures. The fireproof and heat-insulating board comprises aggregate and gel material at a weight ratio of (100-150):(100-250). The gel material comprises: light-burned MgO 46-56 wt.%, industrial MgCl2 20-26 wt.%, H2O2 1.5-3.5 wt.%, H3PO4 0.2-0.3 wt.%, HBO3 0.2-0.3 wt.%, and water 20-26 wt.%. The method comprises: (1) screening foam glass (particle sizes are 15-35 mm, and density is 160-180 kg/m3), and placing in a mold; (2) adding industrial MgCl2 and water; (3) adding H3PO4 and HBO3, and stirring uniformly; (4) adding light-burned MgO, stirring uniformly, and adding H2O2 during stirring to obtain a gel material; (5) pouring the gel material into a mold; (6) covering the lid, and curing naturally; (7) demolding, and maintaining. The fireproof and heat-insulating board has such advantages as low weight, high strength, high impact resistance, no deformation, good heat, sound, fire and water resistance, and good processability.

The invention discloses an autoclaved aerated concrete plate repairing agent and belongs to the technical field of building materials. The autoclaved aerated concrete plate repairing agent is composed of, by mass, 40-60% of coal ash, 10-30% of gypsum, 5-15% of cement, 10-30% of sand, 0.01-2.0% of fiber, 0.01-1.05 of water retaining agent and 0.01-1.5% of setting retarder. The coal ash is coal ash for silicate building products meeting JC/T, the gypsum is semi-hydrated gypsum, and the cement is universal silicate cement meeting GB. By the autoclaved aerated concrete plate repairing agent, the problem that an existing repairing agent and an autoclaved aerated concrete plate have chromatic aberration and are low in binding strength and long in setting time.

The invention discloses a non-combustible rubber powder polyphenyl-granule fire-retardant thermal-insulation paste with high water resistance. 100 parts of the non-combustible rubber powder polyphenyl-granule fire-retardant thermal-insulation paste comprise, by weight, 65 to 70 parts of cement, 2 to 10 parts of fly ash, 8 to 10 parts of a high activity mineral admixture, 5 to 10 parts of an alkali activator, 3 to 5 parts of a sulfate activator, 2 to 4 parts of a redispersible latex powder, 0.5 to 1 part of modified cellulose ether, 0.3 to 0.7 part of a high efficiency water reducing agent, 0.02 to 0.05 part of an accessory ingredient with drop resistance, 0.3 to 0.5 part of fiber, 0.3 to 0.5 part of a stearate water repellent, 0.5 to 1 part of a silylation water repellent, 0.01 to 0.02 part of an air entraining agent, and 4.5 to 5 parts of a B1-grade native-level polyphenyl granule. The non-combustible rubber powder polyphenyl-granule fire-retardant thermal-insulation paste is low in heat conductivity coefficient, high in thermal insulation performance, high in compression strength, low in volume water absorption rate, high in softening coefficient, and high in fire-protection rating.

A method for improving the performance of gypsum powder belongs to the field of gypsum powder application, and comprises the following steps: 1, selecting a coating agent capable of tightly combiningwith gypsum crystal; 2, adding a liquid coating agent to the gypsum powder; and 3, sending the gypsum powder into which the liquid coating agent is added to a coating device for coating. The method has the characteristics of greatly improving the strength, water resistance and the like of the gypsum powder.

The invention provides light-weight high-intensity waste glass ceramsite and a preparation method thereof. The light-weight high-intensity waste glass ceramsite is characterized by being prepared fromthe following raw material ingredients in parts by weight: 70 to 80 parts of waste glass powder, 15 to 25 parts of riverway silt powder, 4 to 6 parts of copper tailing powder and 1 to 2 parts of pore-forming agents. The preparation method comprises the following steps of (1) raw material preparation; (2) granulation balling; (3) microwave reinforced roasting; (4) surface reinforcing. Waste such as waste glass is used as main raw materials; the raw materials are subjected to mixing, pelleting, roasting and surface reinforcement; finally, the ceramsite with light weight and high intensity is prepared; the porosity is high; the weight is light; the tube pressure intensity is high; the softening coefficient is great; high water resistance, low water absorption rate and good particle shape arerealized; the prepared light aggregate concrete has good durability. The problem that the waste glass and the like are difficult to dispose can be effectively solved; waste materials are changed intovaluable materials; the ecological environment can be protected; in addition, the raw material resources are rich; the cost is low; the process is simple.

The invention discloses a phosphogypsum-based grouting material for filling a solution cavity of a mine. The grouting material is prepared from a powder material and a liquid material, wherein, calculated by the total weight, in percentage by weight, of the grouting material, the powder material is prepared from 65 to 75 percent of phosphogypsum, 5 to 15 percent of pulverized fuel ash, 4 to 10 percent of cement, 2.5 to 5 percent of unslaked lime, 2.5 to 5 percent of micro silica fume, 0.4 to 0.5 percent of setting accelerator sodium aluminate and 0.03 to 0.05 percent of water-retaining agent methyl cellulose ether, and the liquid material is prepared from 0.8 to 1.1 percent of polycarboxylate superplasticizer and 0.03 to 0.05 percent of early strength agent triethanolamine. The phosphogypsum-based grouting material for filling the solution cavity of the mine can be directly used for filing and grouting a solution cavity of an abandoned mine shaft, and has the characteristics of high fluidity, good workability, acid resistance, erosion resistance, higher later strength and the like.

The invention provides a nonbearing concrete hollow brick manufactured by utilizing industrial solid wastes and a processing method thereof. The problems that a lot of the conventional steel slag is stacked, lots of lands are occupied and the environment is polluted are solved. The nonbearing concrete hollow brick manufactured by utilizing industrial solid wastes comprises the following components in parts by weight: 40-60 parts of converter slag, 20-30 parts of mill tailings powder, 5-10 parts of coal ash and 10-20 parts of inorganic gelatinization material. The method is used for manufacturing the nonbearing concrete hollow brick by utilizing industrial solid wastes.