CN111099867A - Cement-based bamboo-plastic composite light wall material for building design and preparation method thereof - Google Patents
Cement-based bamboo-plastic composite light wall material for building design and preparation method thereof Download PDFInfo
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- CN111099867A CN111099867A CN202010007394.9A CN202010007394A CN111099867A CN 111099867 A CN111099867 A CN 111099867A CN 202010007394 A CN202010007394 A CN 202010007394A CN 111099867 A CN111099867 A CN 111099867A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The invention relates to the technical field of building design, in particular to a cement-based bamboo-plastic composite light wall material for building design and a preparation method thereof, wherein the wall material is prepared from the following raw materials in parts by weight: 80-100 parts of Portland cement, 30-50 parts of linear low-density polyethylene, 4-8 parts of maleic anhydride grafted polyethylene, 10-20 parts of glutinous rice starch, 20-30 parts of bamboo pulp fiber, 20-30 parts of styrene thermoplastic elastomer, 10-20 parts of vanadium tailings, 10-20 parts of dolomite, 10-20 parts of fly ash microspheres, 5-10 parts of micro steel fiber, 5-10 parts of basalt fiber, 60-80 parts of styrene butadiene rubber emulsion, 1-3 parts of zinc stearate, 1-3 parts of calcium chloride, 4-6 parts of polyethylene wax, 1-3 parts of cocamidopropyl betaine, 1-3 parts of sodium dodecyl benzene sulfonate, 0.5-1.5 parts of tea saponin, 0.1-1 part of triethanolamine, 1-2 parts of diethanol monoisopropanolamine, 1-5 parts of sodium fluosilicate, 2-4 parts of silane coupling agent, 1-3 parts of water reducing agent, 1-1.5 parts of early strength agent and 200 parts of water; the wall material has excellent mechanical property, heat preservation property and sound absorption property.
Description
Technical Field
The invention relates to the technical field of building design, in particular to a cement-based bamboo-plastic composite light wall material for building design and a preparation method thereof.
Background
Along with the development of social economy, attention is paid to land resource protection and the aim of saving energy is fulfilled. In recent years, the types of wall materials on the market are more and more, and among them, gypsum or cement light partition boards, color steel plates, aerated concrete blocks, steel wire mesh frame foam boards, small concrete hollow blocks, gypsum boards, gypsum blocks, ceramsite blocks, sintered porous bricks, shale bricks, solid concrete bricks, PC large boards, horizontal hole concrete boards, activated carbon walls, novel partition boards and the like are applied more frequently.
The development of wall materials has a great influence on construction techniques and may change the form or structure of buildings. The wall material comprises new raw materials and products, and also comprises new products of original materials. The novel wall material has the excellent characteristics of light weight, high strength, heat preservation, energy conservation, soil conservation, decoration and the like. The adoption of the wall materials not only greatly improves the house function, but also enables the interior and exterior of the building to have more modern breath and meets the aesthetic requirements of people; some wall materials can also obviously reduce the dead weight of the building, create conditions for popularizing a light building structure, promote the modernization of the building construction technology and greatly accelerate the building speed.
The bamboo/cement composite light wall material is also one of the existing wall materials for buildings, the bamboo is wide in material selection, natural and environment-friendly, the bamboo can be formed into a material in 3-4 years, 60-foot trees can be recovered for 60 years, one bamboo only needs 59 days and can be used as a building material, 1 cubic meter of wood can be replaced by every 60 bamboos, and the bamboo is used as the building material, so that the cost is reduced, the strength of the bamboo/cement composite light wall material is comparable to that of the wood, the bamboo/cement composite light wall material also has extremely high toughness and good anti-seismic and shock-absorption effects, but the existing bamboo/cement composite light wall material is poor in anti-permeability performance, the density, the heat insulation and the sound insulation performance of the bamboo/cement composite light wall material cannot meet the application of the existing wall materials gradually, the bamboo/cement composite light wall material.
Chinese patent CN 103121815A discloses a light cement bamboo composite material and a manufacturing method thereof, which comprises the steps of firstly mixing cement, bamboo and water, uniformly stirring, then respectively adding a thickening agent, a foam stabilizer, a foaming agent and a coagulant aid which are uniformly mixed with the water into cement slurry, uniformly stirring, finally filling a mold, foaming, forming, steam curing and standing to obtain the light cement bamboo composite material. The light cement bamboo wood composite material manufactured by the invention has low density which is less than 0.7g/cm3 for common cement particle boards, excellent physical and mechanical properties, particularly good impermeability and good sound and heat insulation performance, and has the biomass characteristic and can adjust the indoor environment; and for the shaving board taking synthetic materials such as urea-formaldehyde resin, phenolic resin and the like as adhesives, no harmful gas is released, the shaving board is environment-friendly, fireproof and flame-retardant, the raw materials are rich and cheap, the production process is simple, and the shaving board can be designed and modified on the existing aerated concrete production line for production.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cement-based bamboo-plastic composite light wall material for building design and a preparation method thereof.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
80-100 parts of Portland cement, 30-50 parts of linear low-density polyethylene, 4-8 parts of maleic anhydride grafted polyethylene, 10-20 parts of glutinous rice starch, 20-30 parts of bamboo pulp fiber, 20-30 parts of styrene thermoplastic elastomer, 10-20 parts of vanadium tailings, 10-20 parts of dolomite, 10-20 parts of fly ash microspheres, 5-10 parts of micro steel fiber, 5-10 parts of basalt fiber, 60-80 parts of styrene butadiene rubber emulsion, 1-3 parts of zinc stearate, 1-3 parts of calcium chloride, 4-6 parts of polyethylene wax, 1-3 parts of cocamidopropyl betaine, 1-3 parts of sodium dodecyl benzene sulfonate, 0.5-1.5 parts of tea saponin, 0.1-1 part of triethanolamine, 1-2 parts of diethanol monoisopropanolamine, 1-5 parts of sodium fluosilicate, 2-4 parts of silane coupling agent, 1-3 parts of water reducing agent, 1-1.5 parts of early strength agent and 200 parts of water.
The health-care food is further prepared from the following raw materials in parts by weight:
85 parts of portland cement, 50 parts of linear low-density polyethylene, 6 parts of maleic anhydride grafted polyethylene, 10 parts of glutinous rice starch, 25 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 10 parts of dolomite, 15 parts of fly ash microbeads, 6 parts of micro steel fiber, 8 parts of basalt fiber, 80 parts of styrene butadiene rubber emulsion, 3 parts of zinc stearate, 2 parts of calcium chloride, 5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 2 parts of sodium dodecyl benzene sulfonate, 1.2 parts of tea saponin, 0.5 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 5 parts of sodium fluorosilicate, 4 parts of silane coupling agent, 3 parts of water reducing agent, 1 part of early strength agent and 200 parts of water.
The health-care food is further prepared from the following raw materials in parts by weight:
90 parts of portland cement, 40 parts of linear low-density polyethylene, 5 parts of maleic anhydride grafted polyethylene, 15 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 20 parts of dolomite, 12 parts of fly ash microbeads, 6 parts of micro steel fiber, 7 parts of basalt fiber, 75 parts of styrene butadiene rubber emulsion, 1 part of zinc stearate, 3 parts of calcium chloride, 4.5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 2 parts of sodium dodecyl benzene sulfonate, 0.8 part of tea saponin, 0.2 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 4 parts of sodium fluosilicate, 3 parts of silane coupling agent, 3 parts of water reducing agent, 1 part of early strength agent and 150 parts of water.
Further, the water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent.
Further, the preparation method of the acrylamide modified polycarboxylate superplasticizer comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 35-45 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring at the rotating speed of 100-200r/min for 20-30min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution, increasing the rotating speed to 300-500r/min, stirring for reacting for 60-100min, and adjusting the pH of the system to be neutral by using sodium hydroxide solution.
Further, the mass ratio of acrylic acid to isoprenylpolyoxyethylene ether is 3-5: 1.
Further, the mass concentration of the vitamin C solution is 1-5%.
Further, the mass concentration of the sodium hydroxide solution is 10-20%.
Further, the early strength agent is calcium formate, calcium nitrate and lithium sulfate according to a mass ratio of 1: 1-5: 10-20, and mixing.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following specific steps:
(1) respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, and uniformly mixing the ball-milled mixture with linear low-density polyethylene, a styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fibers and basalt fibers for later use;
(2) adding sticky rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, a silane coupling agent, a water reducing agent and an early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding, injecting the obtained slurry into a mold, putting the mold into a baking oven at 70-80 ℃, taking out after heat preservation and foaming for 4-8h, and removing the mold to obtain a blank;
(3) heating the blank to 150-.
(III) advantageous effects
The invention provides a cement-based bamboo-plastic composite light wall material for building design and a preparation method thereof, and the cement-based bamboo-plastic composite light wall material has the following beneficial effects:
in the invention, micro steel fiber and basalt fiber are compounded in the wall material to form a staggered and entangled three-dimensional network structure, the structure has the effect similar to a reinforcing steel bar, the mechanical structure and the mechanical property of the wall material are ensured, the expansion of micro cracks and the formation of macro cracks in the wall material are effectively hindered, the ductility is obviously improved, the styrene-butadiene rubber emulsion is used as an internal combination component, the micro cracks of cement gel can be compensated, the mechanical strength is improved, the coalescence film is formed in the pores of the wall material to powerfully support the pores, the collapse is avoided, the cocamidopropyl betaine, the sodium dodecyl benzene sulfonate and the tea saponin are added as composite foaming components, the structure has excellent foaming and foam stabilizing properties according to the synergy and complementation principle and practical experiments, the disconnected air bubbles can be generated in the material, the capillary channels are cut off, and the pore structure is changed, the cement-based bamboo-plastic composite light wall material for building design not only has excellent mechanical property, but also has low heat conductivity coefficient, sound absorption coefficient, excellent heat preservation performance and sound absorption performance.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
85 parts of portland cement, 50 parts of linear low-density polyethylene, 6 parts of maleic anhydride grafted polyethylene, 10 parts of glutinous rice starch, 25 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 10 parts of dolomite, 15 parts of fly ash microbeads, 6 parts of micro steel fiber, 8 parts of basalt fiber, 80 parts of styrene butadiene rubber emulsion, 3 parts of zinc stearate, 2 parts of calcium chloride, 5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 2 parts of sodium dodecyl benzene sulfonate, 1.2 parts of tea saponin, 0.5 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 5 parts of sodium fluorosilicate, 4 parts of silane coupling agent, 3 parts of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 2: 15 parts of early strength agent and 200 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 40 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 25min at the rotating speed of 200r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and 1% by mass of vitamin C solution, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 3-5:1, increasing the rotating speed to 500r/min, stirring for reacting for 80min, and adjusting the pH of a system to be neutral by using 20% by mass of sodium hydroxide solution.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 70 ℃, keeping the temperature and foaming for 5 hours, taking out, removing the mold to obtain a blank, heating the blank to 180 ℃ at the speed of 12 ℃/min under the nitrogen atmosphere, keeping the temperature for 1h, then heating to 250 ℃ at the same speed, keeping the temperature for 2h, and naturally cooling to room temperature.
Example 2:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
90 parts of portland cement, 40 parts of linear low-density polyethylene, 5 parts of maleic anhydride grafted polyethylene, 15 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 20 parts of dolomite, 12 parts of fly ash microbeads, 6 parts of micro steel fiber, 7 parts of basalt fiber, 75 parts of styrene-butadiene rubber emulsion, 1 part of zinc stearate, 3 parts of calcium chloride, 4.5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 2 parts of sodium dodecyl benzene sulfonate, 0.8 part of tea saponin, 0.2 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 4 parts of sodium fluosilicate, 3 parts of silane coupling agent, 3 parts of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 3: 18 and 150 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 35 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 25min at the rotating speed of 100r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution with the mass concentration of 4%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 4:1, increasing the rotating speed to 300r/min, stirring for reacting for 60min, and adjusting the pH of a system to be neutral by using sodium hydroxide solution with the mass concentration of 15%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 70 ℃, keeping the temperature and foaming for 8 hours, taking out, removing the mold to obtain a blank, heating the blank to 150 ℃ at the speed of 20 ℃/min in a nitrogen atmosphere, keeping the temperature for 1h, then heating to 240 ℃ at the same speed, keeping the temperature for 2h, and naturally cooling to room temperature.
Example 3:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
80 parts of portland cement, 40 parts of linear low-density polyethylene, 6 parts of maleic anhydride grafted polyethylene, 12 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 16 parts of dolomite, 20 parts of fly ash microbeads, 8 parts of micro steel fiber, 5 parts of basalt fiber, 60 parts of styrene butadiene rubber emulsion, 1 part of zinc stearate, 2 parts of calcium chloride, 5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 1 part of sodium dodecyl benzene sulfonate, 0.5 part of tea saponin, 0.1 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 5 parts of sodium fluorosilicate, 3 parts of silane coupling agent, 1 part of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 1: 10 parts of early strength agent and 200 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 45 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 30min at the rotating speed of 200r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution with the mass concentration of 2%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 4:1, increasing the rotating speed to 400r/min, stirring for reaction for 100min, and adjusting the pH of a system to be neutral by using sodium hydroxide solution with the mass concentration of 10%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 70 ℃, keeping the temperature and foaming for 6 hours, taking out, removing the mold to obtain a blank, heating the blank to 180 ℃ at the speed of 10 ℃/min under the nitrogen atmosphere, after heat preservation is carried out for 1h, the temperature is raised to 240 ℃ at the same speed, heat preservation is carried out for 1h, and then natural cooling is carried out to the room temperature.
Example 4:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
80 parts of portland cement, 30 parts of linear low-density polyethylene, 4 parts of maleic anhydride grafted polyethylene, 20 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 25 parts of styrene thermoplastic elastomer, 10 parts of vanadium tailings, 15 parts of dolomite, 10 parts of fly ash microbeads, 5 parts of micro steel fiber, 6 parts of basalt fiber, 60 parts of styrene butadiene rubber emulsion, 3 parts of zinc stearate, 1 part of calcium chloride, 5 parts of polyethylene wax, 1 part of cocamidopropyl betaine, 1 part of sodium dodecyl benzene sulfonate, 1 part of tea saponin, 0.5 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 4 parts of sodium fluosilicate, 2 parts of silane coupling agent, 1 part of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 3: 20, 1.2 parts of early strength agent and 180 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 40 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 30min at the rotating speed of 200r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution with the mass concentration of 4%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 5:1, increasing the rotating speed to 400r/min, stirring for reacting for 80min, and adjusting the pH of a system to be neutral by using sodium hydroxide solution with the mass concentration of 15%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 80 ℃, keeping the temperature and foaming for 6 hours, taking out the mold, removing the mold to obtain a blank, heating the blank to 200 ℃ at the speed of 15 ℃/min under the nitrogen atmosphere, after heat preservation is carried out for 1h, the temperature is raised to 240 ℃ at the same speed, heat preservation is carried out for 1h, and then natural cooling is carried out to the room temperature.
Example 5:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
80 parts of portland cement, 50 parts of linear low-density polyethylene, 4 parts of maleic anhydride grafted polyethylene, 20 parts of glutinous rice starch, 20 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 10 parts of vanadium tailings, 20 parts of dolomite, 10 parts of fly ash microbeads, 10 parts of micro steel fiber, 5 parts of basalt fiber, 80 parts of styrene butadiene rubber emulsion, 1 part of zinc stearate, 3 parts of calcium chloride, 4 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 1 part of sodium dodecyl benzene sulfonate, 1.5 parts of tea saponin, 0.1 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 1 part of sodium fluorosilicate, 4 parts of silane coupling agent, 1 part of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 5: 10 parts of early strength agent and 100 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 45 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 30min at the rotating speed of 100r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and a vitamin C solution with the mass concentration of 1%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 5:1, increasing the rotating speed to 300r/min, stirring for reacting for 100min, and adjusting the pH of a system to be neutral by using a sodium hydroxide solution with the mass concentration of 10%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 80 ℃, taking out after heat preservation and foaming for 4 hours, removing the mold to obtain a blank, heating the blank to 150 ℃ at the speed of 20 ℃/min in a nitrogen atmosphere, after preserving heat for 2h, heating to 240 ℃ at the same speed, preserving heat for 2h, and naturally cooling to room temperature.
Example 6:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
85 parts of portland cement, 40 parts of linear low-density polyethylene, 8 parts of maleic anhydride grafted polyethylene, 20 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 10 parts of vanadium tailings, 10 parts of dolomite, 20 parts of fly ash microbeads, 5 parts of micro steel fiber, 5 parts of basalt fiber, 60 parts of styrene butadiene rubber emulsion, 1 part of zinc stearate, 3 parts of calcium chloride, 5 parts of polyethylene wax, 1 part of cocamidopropyl betaine, 1 part of sodium dodecyl benzene sulfonate, 1 part of tea saponin, 1 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 2 parts of sodium fluosilicate, 2 parts of silane coupling agent, 3 parts of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 5: 20 and 1.5 parts of early strength agent and 200 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 40 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 20min at the rotating speed of 200r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution with the mass concentration of 5%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 4:1, increasing the rotating speed to 400r/min, stirring for reacting for 80min, and adjusting the pH of a system to be neutral by using sodium hydroxide solution with the mass concentration of 12%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 80 ℃, keeping the temperature and foaming for 5 hours, taking out the mold, removing the mold to obtain a blank, heating the blank to 180 ℃ at the speed of 10 ℃/min under the nitrogen atmosphere, after heat preservation is carried out for 1h, the temperature is raised to 250 ℃ at the same speed, heat preservation is carried out for 1h, and then natural cooling is carried out to the room temperature.
Example 7:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
100 parts of portland cement, 30 parts of linear low-density polyethylene, 8 parts of maleic anhydride grafted polyethylene, 10 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 20 parts of styrene thermoplastic elastomer, 20 parts of vanadium tailings, 10 parts of dolomite, 20 parts of fly ash microbeads, 5 parts of micro steel fiber, 10 parts of basalt fiber, 60 parts of styrene butadiene rubber emulsion, 3 parts of zinc stearate, 1 part of calcium chloride, 6 parts of polyethylene wax, 1 part of cocamidopropyl betaine, 3 parts of sodium dodecyl benzene sulfonate, 0.5 part of tea saponin, 1 part of triethanolamine, 1 part of diethanol monoisopropanolamine, 5 parts of sodium fluosilicate, 2 parts of silane coupling agent, 3 parts of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 1: 20 and 1 part of early strength agent and 200 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 35 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 20min at the rotating speed of 200r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution with the mass concentration of 5%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 3:1, increasing the rotating speed to 500r/min, stirring for reacting for 60min, and adjusting the pH of a system to be neutral by using sodium hydroxide solution with the mass concentration of 20%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 70 ℃, keeping the temperature and foaming for 8 hours, taking out, removing the mold to obtain a blank, heating the blank to 200 ℃ at the speed of 10 ℃/min under the nitrogen atmosphere, after heat preservation is carried out for 1h, the temperature is raised to 260 ℃ at the same speed, heat preservation is carried out for 1h, and then natural cooling is carried out to the room temperature.
Example 8:
a cement-based bamboo-plastic composite light wall material for building design is prepared from the following raw materials in parts by weight:
80 parts of portland cement, 40 parts of linear low-density polyethylene, 4 parts of maleic anhydride grafted polyethylene, 10 parts of glutinous rice starch, 20 parts of bamboo pulp fiber, 20 parts of styrene thermoplastic elastomer, 10 parts of vanadium tailings, 12 parts of dolomite, 10 parts of fly ash microbeads, 5 parts of micro steel fiber, 5 parts of basalt fiber, 80 parts of styrene butadiene rubber emulsion, 2 parts of zinc stearate, 2 parts of calcium chloride, 5 parts of polyethylene wax, 1 part of cocamidopropyl betaine, 1 part of sodium dodecyl benzene sulfonate, 1 part of tea saponin, 1 part of triethanolamine, 1 part of diethanol monoisopropanolamine, 5 parts of sodium fluosilicate, 2 parts of silane coupling agent, 1 part of water reducing agent, calcium formate, calcium nitrate and lithium sulfate according to the mass ratio of 1: 5: 10 parts of early strength agent and 150 parts of water.
The water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent, and the preparation method comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 40 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring for 20min at the rotating speed of 100r/min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution with the mass concentration of 5%, wherein the mass ratio of the acrylic acid to the prenyl polyoxyethylene ether is 3:1, increasing the rotating speed to 300r/min, stirring for reacting for 80min, and adjusting the pH of a system to be neutral by using sodium hydroxide solution with the mass concentration of 10%.
The preparation method of the cement-based bamboo-plastic composite light wall material for building design comprises the following steps:
respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, uniformly mixing the ball-milled mixture with linear low-density polyethylene, styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fiber and basalt fiber for later use, adding glutinous rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, silane coupling agent, water reducing agent and early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding the obtained slurry into a mold, placing the mold into an oven at 80 ℃, keeping the temperature and foaming for 5 hours, taking out the mold, removing the mold to obtain a blank, heating the blank to 180 ℃ at the speed of 10 ℃/min under the nitrogen atmosphere, after heat preservation is carried out for 1h, the temperature is raised to 260 ℃ at the same speed, heat preservation is carried out for 1h, and then natural cooling is carried out to the room temperature.
The following table 1 shows the performance test results of the cement-based bamboo-plastic composite lightweight wall material for architectural design in examples 1-3 of the present invention.
Table 1:
as can be seen from the above table 1, the cement-based bamboo-plastic composite lightweight wall material for architectural design of the present invention has not only excellent mechanical properties, but also low thermal conductivity, sound absorption coefficient, excellent thermal insulation and sound absorption properties, and in addition, the addition of the foaming component causes the interior of the material to generate non-communicated bubbles, cuts off the capillary channels, changes the pore structure, and thereby improves the anti-permeability performance of the wall material.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The cement-based bamboo-plastic composite light wall material for building design is characterized by being prepared from the following raw materials in parts by weight:
80-100 parts of Portland cement, 30-50 parts of linear low-density polyethylene, 4-8 parts of maleic anhydride grafted polyethylene, 10-20 parts of glutinous rice starch, 20-30 parts of bamboo pulp fiber, 20-30 parts of styrene thermoplastic elastomer, 10-20 parts of vanadium tailings, 10-20 parts of dolomite, 10-20 parts of fly ash microspheres, 5-10 parts of micro steel fiber, 5-10 parts of basalt fiber, 60-80 parts of styrene butadiene rubber emulsion, 1-3 parts of zinc stearate, 1-3 parts of calcium chloride, 4-6 parts of polyethylene wax, 1-3 parts of cocamidopropyl betaine, 1-3 parts of sodium dodecyl benzene sulfonate, 0.5-1.5 parts of tea saponin, 0.1-1 part of triethanolamine, 1-2 parts of diethanol monoisopropanolamine, 1-5 parts of sodium fluosilicate, 2-4 parts of silane coupling agent, 1-3 parts of water reducing agent, 1-1.5 parts of early strength agent and 200 parts of water.
2. The cement-based bamboo-plastic composite light wall material for the architectural design as claimed in claim 1, which is prepared from the following raw materials in parts by weight:
85 parts of portland cement, 50 parts of linear low-density polyethylene, 6 parts of maleic anhydride grafted polyethylene, 10 parts of glutinous rice starch, 25 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 10 parts of dolomite, 15 parts of fly ash microbeads, 6 parts of micro steel fiber, 8 parts of basalt fiber, 80 parts of styrene butadiene rubber emulsion, 3 parts of zinc stearate, 2 parts of calcium chloride, 5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 2 parts of sodium dodecyl benzene sulfonate, 1.2 parts of tea saponin, 0.5 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 5 parts of sodium fluorosilicate, 4 parts of silane coupling agent, 3 parts of water reducing agent, 1 part of early strength agent and 200 parts of water.
3. The cement-based bamboo-plastic composite light wall material for the architectural design as claimed in claim 1, which is prepared from the following raw materials in parts by weight:
90 parts of portland cement, 40 parts of linear low-density polyethylene, 5 parts of maleic anhydride grafted polyethylene, 15 parts of glutinous rice starch, 30 parts of bamboo pulp fiber, 30 parts of styrene thermoplastic elastomer, 12 parts of vanadium tailings, 20 parts of dolomite, 12 parts of fly ash microbeads, 6 parts of micro steel fiber, 7 parts of basalt fiber, 75 parts of styrene butadiene rubber emulsion, 1 part of zinc stearate, 3 parts of calcium chloride, 4.5 parts of polyethylene wax, 3 parts of cocamidopropyl betaine, 2 parts of sodium dodecyl benzene sulfonate, 0.8 part of tea saponin, 0.2 part of triethanolamine, 2 parts of diethanol monoisopropanolamine, 4 parts of sodium fluosilicate, 3 parts of silane coupling agent, 3 parts of water reducing agent, 1 part of early strength agent and 150 parts of water.
4. The cement-based bamboo-plastic composite light wall material for building design according to claim 1, wherein the water reducing agent is an acrylamide modified polycarboxylic acid water reducing agent.
5. The cement-based bamboo-plastic composite light wall material for building design according to claim 4, wherein the preparation method of the acrylamide modified polycarboxylate superplasticizer comprises the following steps:
adding prenyl polyoxyethylene ether into deionized water, heating to 35-45 ℃, stirring to completely dissolve the prenyl polyoxyethylene ether, adding ammonium persulfate under the protection of nitrogen, stirring at the rotating speed of 100-200r/min for 20-30min, adding acrylic acid, acrylamide, α -methyl styrene linear dimer and vitamin C solution, increasing the rotating speed to 300-500r/min, stirring for reacting for 60-100min, and adjusting the pH of the system to be neutral by using sodium hydroxide solution.
6. The cement-based bamboo-plastic composite light wall material for architectural design as claimed in claim 5, wherein the mass ratio of acrylic acid to isoprenyl polyoxyethylene ether is 3-5: 1.
7. The cement-based bamboo-plastic composite light wall material for architectural design according to claim 5, wherein the mass concentration of the vitamin C solution is 1-5%.
8. The cement-based bamboo-plastic composite light wall material for architectural design as claimed in claim 5, wherein the mass concentration of the sodium hydroxide solution is 10-20%.
9. The cement-based bamboo-plastic composite light wall material for building design according to claim 5, wherein the early strength agent is calcium formate, calcium nitrate and lithium sulfate according to a mass ratio of 1: 1-5: 10-20, and mixing.
10. The preparation method of the cement-based bamboo-plastic composite lightweight wall material for architectural design as claimed in claims 1-9, which is characterized by comprising the following steps:
(1) respectively drying portland cement, vanadium tailings, dolomite and fly ash microbeads, mixing and ball-milling, and uniformly mixing the ball-milled mixture with linear low-density polyethylene, a styrene thermoplastic elastomer, maleic anhydride grafted polyethylene, micro steel fibers and basalt fibers for later use;
(2) adding sticky rice starch, bamboo pulp fiber, cocamidopropyl betaine, sodium dodecyl benzene sulfonate, tea saponin, zinc stearate, calcium chloride, polyethylene wax, triethanolamine, diethanol monoisopropanolamine, sodium fluosilicate, a silane coupling agent, a water reducing agent and an early strength agent into water to obtain a solution, simultaneously adding the solution and styrene butadiene rubber emulsion into the mixture, stirring while adding, injecting the obtained slurry into a mold, putting the mold into a baking oven at 70-80 ℃, taking out after heat preservation and foaming for 4-8h, and removing the mold to obtain a blank;
(3) heating the blank to 150-.
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| JPS5316733A (en) * | 1976-07-31 | 1978-02-16 | Tokyu Concrete Kogyo Kk | Rust prevention method of steel fiber in steel fiber reinforced concrete |
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