CN115849942A - Corrosion-resistant aerated building block and preparation method thereof - Google Patents
Corrosion-resistant aerated building block and preparation method thereof Download PDFInfo
- Publication number
- CN115849942A CN115849942A CN202211503476.8A CN202211503476A CN115849942A CN 115849942 A CN115849942 A CN 115849942A CN 202211503476 A CN202211503476 A CN 202211503476A CN 115849942 A CN115849942 A CN 115849942A
- Authority
- CN
- China
- Prior art keywords
- corrosion
- parts
- mixed solution
- aluminum powder
- building block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses an anti-corrosion aerated building block and a preparation method thereof, belonging to the technical field of building materials and comprising the following raw materials in parts by weight: 5-10 parts of cement powder, 20-30 parts of fly ash, 0.8-1 part of modified aluminum powder, 50-70 parts of gypsum/fiber composite material and 2-5 parts of fine sand. In the process of modifying the aluminum powder, the acrylic resin has a good coating modification effect on the aluminum powder, the hydrogen evolution amount of the aluminum powder can be greatly reduced after the aluminum powder is coated by the acrylic resin, so that the corrosion resistance of the aerated building block can be enhanced by improving the corrosion resistance of the aluminum powder, the dispersibility and the stability of the aluminum powder can be improved by coating silane and the acrylic resin on the surface of the aluminum powder, the strength of the corrosion-resistant aerated building block can be enhanced by doping gypsum/fiber materials, the self weight of the corrosion-resistant aerated building block can be reduced on the basis, and the obtained corrosion-resistant aerated building block has the effects of light weight, sound insulation, heat insulation, high stability, fire prevention and energy conservation.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to an anti-corrosion aerated building block and a preparation method thereof.
Background
The aerated building block is a porous silicate product prepared by using a siliceous material and a calcareous material as main raw materials, adding a gas former, adding water, stirring, forming pores through a chemical reaction, and performing casting molding, precuring cutting, autoclaved curing and other processes.
The invention patent with the application number of CN201910387312.5 discloses an anticorrosive aerated building block and a preparation method thereof, wherein porous ceramsite is added into raw materials, and the prepared porous ceramsite has the advantages of rich pores, high strength and good corrosion resistance, and can improve the overall mechanical property and the anticorrosive capacity of the aerated building block when being applied to the aerated building block; the aerated building block has the advantages that the aerated building block is provided with the anti-corrosion coating layer on the surface layer, the anti-corrosion capacity of the aerated building block is further improved, the defects still exist in the implementation process of the technical scheme, the traditional aerated building block has the defect of poor corrosion resistance, the strength of the aerated building block cannot be enhanced while the corrosion resistance is improved, and the use requirement of special occasions cannot be met.
Based on the technical scheme, the invention designs the corrosion-resistant aerated building block and the preparation method thereof to solve the problems.
Disclosure of Invention
The invention aims to: the corrosion-resistant aerated building block and the preparation method thereof are provided in order to solve the problems that the traditional aerated building block has the defect of poor corrosion resistance, the strength of the aerated building block cannot be enhanced while the corrosion resistance is improved, and the use requirement of special occasions cannot be met.
In order to achieve the purpose, the invention adopts the following technical scheme:
the corrosion-resistant aerated building block comprises the following raw materials in parts by weight: 5-10 parts of cement powder, 20-30 parts of fly ash, 0.8-1 part of modified aluminum powder, 50-70 parts of gypsum/fiber composite material, 2-5 parts of fine sand, 0.07-0.1 part of retarder, 2-4 parts of water reducer, 1-3 parts of antifreeze agent and 70-80 parts of water;
the preparation method of the gypsum/fiber composite material comprises the following steps:
properly airing the collected straw waste under the natural environment condition to reduce the water content of the straw waste;
putting the straw waste subjected to airing treatment into a crusher for crushing treatment;
and adding soft water, cement, slag, gypsum and steel slag into the straw waste particles obtained after crushing treatment, and then putting the mixture into a mixing reaction kettle to stir, mix and pulp to obtain the gypsum/fiber composite material.
As a further description of the above technical solution:
the preparation method of the modified aluminum powder comprises the following steps:
adding a certain amount of isopropanol into a chemical combination reaction kettle equipped with a magnetic stirring mechanism, then pouring a proper amount of aluminum powder into the chemical combination reaction kettle, and fully stirring;
after the aluminum powder and the isopropanol are uniformly mixed, carrying out water bath heating treatment on the combination reaction kettle, and carrying out constant temperature treatment after the temperature in the combination reaction kettle is raised to 60 ℃ to prepare and form a first mixed solution;
simultaneously, dropwise adding the second mixed solution and the third mixed solution into the first mixed solution for carrying out a combination reaction, and stirring and mixing after dropwise adding;
and after the first mixed solution, the second mixed solution and the third mixed solution are stirred and mixed, carrying out vacuum filtration, then washing a product formed by mixing the first mixed solution, the second mixed solution and the third mixed solution by using absolute ethyl alcohol, and drying to obtain the modified aluminum powder.
As a further description of the above technical solution:
the aluminum powder and the isopropanol are mixed according to the weight portion of 10 portions and 20 portions, and the time for fully stirring is 0.8-1.2h.
As a further description of the above technical solution:
the dripping time of the second mixed solution and the third mixed solution is controlled to be 25-30min, and the stirring and mixing treatment time is not less than 10h.
As a further description of the above technical solution:
the second mixed solution is prepared by mixing deionized water, absolute ethyl alcohol and a silane coupling agent.
As a further description of the above technical solution:
the third mixed solution is prepared by mixing acrylic resin and butyl acetate after pyrolysis treatment.
As a further description of the above technical solution:
the antifreeze agent is ethylene glycol, and the retarder is bone glue.
As a further description of the above technical solution:
the water reducing agent is at least one of a melamine water reducing agent, a polycarboxylate water reducing agent and a naphthalene water reducing agent.
A preparation method of a corrosion-resistant aerated building block comprises the following steps:
respectively crushing cement powder, fly ash, modified aluminum powder, gypsum/fiber composite material and fine sand until the average particle size is 2-20mm;
sequentially putting various ingredients after crushing treatment into a mixing reaction kettle, injecting soft water, and stirring and mixing to obtain mixed slurry;
adding a retarder, a water reducing agent and an antifreeze according to a proportion, stirring and forming, then aerating, trimming and autoclaving to obtain the corrosion-resistant aerated building block.
As a further description of the above technical solution:
the gas generation step is to perform static maintenance and gas generation for 2 to 3 hours at the room temperature of between 20 and 40 ℃.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
in the process of modifying the aluminum powder, the acrylic resin has a good coating modification effect on the aluminum powder, the hydrogen evolution amount of the aluminum powder can be greatly reduced after the aluminum powder is coated by the acrylic resin, so that the corrosion resistance of the aerated building block can be enhanced by improving the corrosion resistance of the aluminum powder, the dispersibility and the stability of the aluminum powder can be improved by coating silane and the acrylic resin on the surface of the aluminum powder, the strength of the corrosion-resistant aerated building block can be enhanced by doping gypsum/fiber materials, the self weight of the corrosion-resistant aerated building block can be reduced on the basis, and the obtained corrosion-resistant aerated building block has the effects of light weight, sound insulation, heat insulation, high stability, fire prevention and energy conservation.
Drawings
FIG. 1 is a flow chart of a preparation process of a gypsum/fiber composite material in the corrosion-resistant aerated building block and the preparation method thereof provided by the invention;
FIG. 2 is a flow chart of a preparation process of modified aluminum powder in the corrosion-resistant aerated building block and the preparation method thereof provided by the invention;
FIG. 3 is a flow chart of a preparation process of the corrosion-resistant aerated building block and the preparation method thereof provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 one
The corrosion-resistant aerated building block comprises the following raw materials in parts by weight: 5 parts of cement powder, 20 parts of fly ash, 0.8 part of modified aluminum powder, 50 parts of gypsum/fiber composite material, 2 parts of fine sand, 0.07 part of retarder, 2 parts of water reducing agent, 1 part of antifreeze agent and 70 parts of water;
specifically, the preparation method of the gypsum/fiber composite material comprises the following steps:
properly airing the collected straw waste under natural environment conditions to reduce the water content of the straw waste;
putting the straw waste subjected to airing treatment into a crusher for crushing treatment;
adding soft water, cement, slag, gypsum and steel slag into straw waste particles obtained after crushing treatment, and then putting the straw waste particles into a mixing reaction kettle to stir, mix and pulp to obtain a gypsum/fiber composite material;
specifically, the preparation method of the modified aluminum powder comprises the following steps:
adding a certain amount of isopropanol into a chemical combination reaction kettle provided with a magnetic stirring mechanism, then pouring a proper amount of aluminum powder into the chemical combination reaction kettle, and fully stirring;
after the aluminum powder and the isopropanol are uniformly mixed, carrying out water bath heating treatment on the combination reaction kettle, and carrying out constant temperature treatment after the temperature in the combination reaction kettle is raised to 60 ℃ to prepare and form a first mixed solution;
simultaneously, dropwise adding the second mixed solution and the third mixed solution into the first mixed solution for carrying out a combination reaction, and stirring and mixing after dropwise adding;
after the first mixed solution, the second mixed solution and the third mixed solution are stirred and mixed, carrying out vacuum filtration, then washing a product formed by mixing the first mixed solution, the second mixed solution and the third mixed solution by using absolute ethyl alcohol, and drying to obtain modified aluminum powder;
specifically, the aluminum powder and the isopropanol are mixed according to the weight parts of 10 parts and 20 parts, and the time for fully stirring is 0.8h;
specifically, the dripping time of the second mixed solution and the third mixed solution is controlled to be 25min, and the stirring and mixing treatment time is not less than 10h;
specifically, the second mixed solution is prepared by mixing deionized water, absolute ethyl alcohol and a silane coupling agent;
specifically, the third mixed solution is prepared by mixing acrylic resin subjected to pyrolysis treatment and butyl acetate;
specifically, the antifreeze agent is ethylene glycol, and the retarder is bone glue;
specifically, the water reducing agent is at least one of a melamine water reducing agent, a polycarboxylate water reducing agent and a naphthalene water reducing agent;
a preparation method of a corrosion-resistant aerated building block comprises the following steps:
respectively crushing cement powder, fly ash, modified aluminum powder, gypsum/fiber composite material and fine sand until the average particle size is 2mm;
sequentially putting various ingredients after crushing treatment into a mixing reaction kettle, injecting soft water, and stirring and mixing to obtain mixed slurry;
adding a retarder, a water reducing agent and an antifreeze according to a ratio, stirring and forming, then aerating, trimming and autoclaving to obtain the corrosion-resistant aerated building block;
specifically, the gas generation step is to perform static maintenance gas generation for 2 hours at the room temperature of 20 ℃.
Example two
The corrosion-resistant aerated building block comprises the following raw materials in parts by weight: 10 parts of cement powder, 30 parts of fly ash, 1 part of modified aluminum powder, 70 parts of gypsum/fiber composite material, 5 parts of fine sand, 0.1 part of retarder, 4 parts of water reducing agent, 3 parts of antifreeze agent and 80 parts of water;
specifically, the preparation method of the gypsum/fiber composite material comprises the following steps:
properly airing the collected straw waste under natural environment conditions to reduce the water content of the straw waste;
putting the straw waste subjected to airing treatment into a crusher for crushing treatment;
adding soft water, cement, slag, gypsum and steel slag into straw waste particles obtained after crushing treatment, and then putting the straw waste particles into a mixing reaction kettle to stir, mix and pulp to obtain a gypsum/fiber composite material;
specifically, the preparation method of the modified aluminum powder comprises the following steps:
adding a certain amount of isopropanol into a chemical combination reaction kettle equipped with a magnetic stirring mechanism, then pouring a proper amount of aluminum powder into the chemical combination reaction kettle, and fully stirring;
after the aluminum powder and the isopropanol are uniformly mixed, carrying out water bath heating treatment on the combination reaction kettle, and carrying out constant temperature treatment after the temperature in the combination reaction kettle is raised to 60 ℃ to prepare and form a first mixed solution;
simultaneously, dropwise adding the second mixed solution and the third mixed solution into the first mixed solution for carrying out a combination reaction, and stirring and mixing after dropwise adding;
after the first mixed solution, the second mixed solution and the third mixed solution are stirred and mixed, carrying out vacuum filtration, then washing a product formed by mixing the first mixed solution, the second mixed solution and the third mixed solution by using absolute ethyl alcohol, and drying to obtain modified aluminum powder;
specifically, the aluminum powder and the isopropanol are mixed according to the weight parts of 10 parts and 20 parts, and the time for fully stirring is 1.2 hours;
specifically, the dripping time of the second mixed solution and the third mixed solution is controlled to be 30min, and the stirring and mixing treatment time is not less than 10h;
specifically, the second mixed solution is prepared by mixing deionized water, absolute ethyl alcohol and a silane coupling agent;
specifically, the third mixed solution is prepared by mixing acrylic resin subjected to pyrolysis treatment and butyl acetate;
specifically, the antifreeze agent is ethylene glycol, and the retarder is bone glue;
specifically, the water reducing agent is at least one of a melamine water reducing agent, a polycarboxylate water reducing agent and a naphthalene water reducing agent;
a preparation method of a corrosion-resistant aerated building block comprises the following steps:
respectively crushing cement powder, fly ash, modified aluminum powder, gypsum/fiber composite material and fine sand until the average particle size is 20mm;
sequentially putting various ingredients after crushing treatment into a mixing reaction kettle, injecting soft water, and stirring and mixing to obtain mixed slurry;
adding a retarder, a water reducing agent and an antifreeze according to a ratio, stirring and forming, then aerating, trimming and autoclaving to obtain the corrosion-resistant aerated building block;
specifically, the gas generation step is to perform static curing gas generation for 3 hours at the room temperature of 40 ℃.
EXAMPLE III
The corrosion-resistant aerated building block comprises the following raw materials in parts by weight: 7 parts of cement powder, 25 parts of fly ash, 0.9 part of modified aluminum powder, 60 parts of gypsum/fiber composite material, 4 parts of fine sand, 0.09 part of retarder, 3 parts of water reducing agent, 2 parts of antifreeze agent and 75 parts of water;
specifically, the preparation method of the gypsum/fiber composite material comprises the following steps:
properly airing the collected straw waste under natural environment conditions to reduce the water content of the straw waste;
putting the straw waste subjected to airing treatment into a crusher for crushing treatment;
adding soft water, cement, slag, gypsum and steel slag into straw waste particles obtained after crushing treatment, and then putting the straw waste particles into a mixing reaction kettle to stir, mix and pulp to obtain a gypsum/fiber composite material;
specifically, the preparation method of the modified aluminum powder comprises the following steps:
adding a certain amount of isopropanol into a chemical combination reaction kettle equipped with a magnetic stirring mechanism, then pouring a proper amount of aluminum powder into the chemical combination reaction kettle, and fully stirring;
after the aluminum powder and the isopropanol are uniformly mixed, carrying out water bath heating treatment on the combination reaction kettle, and carrying out constant temperature treatment after the temperature in the combination reaction kettle is raised to 60 ℃ to prepare and form a first mixed solution;
simultaneously, dropwise adding the second mixed solution and the third mixed solution into the first mixed solution for carrying out a combination reaction, and stirring and mixing after dropwise adding;
after the first mixed solution, the second mixed solution and the third mixed solution are stirred and mixed, carrying out vacuum filtration, then washing a product formed by mixing the first mixed solution, the second mixed solution and the third mixed solution by using absolute ethyl alcohol, and drying to obtain modified aluminum powder;
specifically, the aluminum powder and the isopropanol are mixed according to the weight parts of 10 parts and 20 parts, and the time for fully stirring is 1 hour;
specifically, the dripping time of the second mixed solution and the third mixed solution is controlled to be 27min, and the stirring and mixing treatment time is not less than 10h;
specifically, the second mixed solution is prepared by mixing deionized water, absolute ethyl alcohol and a silane coupling agent;
specifically, the third mixed solution is prepared by mixing acrylic resin subjected to pyrolysis treatment and butyl acetate;
specifically, the antifreeze agent is ethylene glycol, and the retarder is bone glue;
specifically, the water reducing agent is at least one of a melamine water reducing agent, a polycarboxylate water reducing agent and a naphthalene water reducing agent;
a preparation method of a corrosion-resistant aerated building block comprises the following steps:
respectively crushing cement powder, fly ash, modified aluminum powder, gypsum/fiber composite material and fine sand until the average particle size is 11mm;
sequentially putting various ingredients after crushing treatment into a mixing reaction kettle, injecting soft water, and stirring and mixing to obtain mixed slurry;
adding a retarder, a water reducing agent and an antifreeze according to a ratio, stirring and forming, then aerating, trimming and autoclaving to obtain the corrosion-resistant aerated building block;
specifically, the gas generation step is to perform static curing gas generation for 2.5 hours at the room temperature of 30 ℃.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The corrosion-resistant aerated building block is characterized by comprising the following raw materials in parts by weight: 5-10 parts of cement powder, 20-30 parts of fly ash, 0.8-1 part of modified aluminum powder, 50-70 parts of gypsum/fiber composite material, 2-5 parts of fine sand, 0.07-0.1 part of retarder, 2-4 parts of water reducer, 1-3 parts of antifreeze agent and 70-80 parts of water;
the preparation method of the gypsum/fiber composite material comprises the following steps:
properly airing the collected straw waste under natural environment conditions to reduce the water content of the straw waste;
putting the straw waste subjected to airing treatment into a crusher for crushing treatment;
and adding soft water, cement, slag, gypsum and steel slag into the straw waste particles obtained after crushing treatment, and then putting the mixture into a mixing reaction kettle to stir, mix and pulp to obtain the gypsum/fiber composite material.
2. The corrosion-resistant aerated concrete block of claim 1, wherein the preparation method of the modified aluminum powder comprises the following steps:
adding a certain amount of isopropanol into a chemical combination reaction kettle provided with a magnetic stirring mechanism, then pouring a proper amount of aluminum powder into the chemical combination reaction kettle, and fully stirring;
after the aluminum powder and the isopropanol are uniformly mixed, carrying out water bath heating treatment on the combination reaction kettle, and carrying out constant temperature treatment after the temperature in the combination reaction kettle is raised to 60 ℃ to prepare and form a first mixed solution;
simultaneously, dropwise adding the second mixed solution and the third mixed solution into the first mixed solution for carrying out a combination reaction, and stirring and mixing after dropwise adding;
and after the first mixed solution, the second mixed solution and the third mixed solution are stirred and mixed, carrying out vacuum filtration, then washing a product formed by mixing the first mixed solution, the second mixed solution and the third mixed solution by using absolute ethyl alcohol, and drying to obtain the modified aluminum powder.
3. The corrosion-resistant aerated building block of claim 2, wherein the aluminum powder and the isopropanol are mixed in parts by weight of 10 parts and 20 parts, and the sufficient stirring time is 0.8-1.2 hours.
4. The anti-corrosion aerated concrete block of claim 2, wherein the dropping time of the second mixed solution and the third mixed solution is controlled to be 25-30min, and the stirring and mixing treatment is carried out for not less than 10h.
5. The anti-corrosion aerated block of claim 2, wherein the second mixed solution is prepared by mixing deionized water, absolute ethyl alcohol and a silane coupling agent with each other.
6. The anti-corrosion aerated concrete block of claim 2, wherein the third mixed solution is prepared by mixing acrylic resin after pyrolysis treatment and butyl acetate.
7. The corrosion-resistant aerated concrete block of claim 2, wherein the antifreeze agent is ethylene glycol and the retarder is bone glue.
8. The aerated concrete block of claim 1, wherein the water reducer is at least one of a melamine water reducer, a polycarboxylate water reducer and a naphthalene water reducer.
9. A method of making a corrosion resistant aerated concrete block according to any one of claims 1 to 8, wherein the method of making the corrosion resistant aerated concrete block comprises:
respectively crushing cement powder, fly ash, modified aluminum powder, gypsum/fiber composite material and fine sand until the average particle size is 2-20mm;
sequentially putting various ingredients after crushing treatment into a mixing reaction kettle, injecting soft water, and stirring and mixing to obtain mixed slurry;
adding a retarder, a water reducing agent and an antifreeze according to a proportion, stirring and forming, then aerating, trimming and autoclaving to obtain the corrosion-resistant aerated building block.
10. The method for preparing the corrosion-resistant aerated building block according to claim 9, wherein the gas generation step is static curing gas generation for 2-3 hours at room temperature of 20-40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211503476.8A CN115849942A (en) | 2022-11-28 | 2022-11-28 | Corrosion-resistant aerated building block and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211503476.8A CN115849942A (en) | 2022-11-28 | 2022-11-28 | Corrosion-resistant aerated building block and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115849942A true CN115849942A (en) | 2023-03-28 |
Family
ID=85667252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211503476.8A Pending CN115849942A (en) | 2022-11-28 | 2022-11-28 | Corrosion-resistant aerated building block and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115849942A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560459A (en) * | 2015-10-05 | 2017-04-12 | 吉林省圣翔建材集团有限公司 | High-bending-strength pavement concrete prepared from cornstalk and preparation method thereof |
| CN109306220A (en) * | 2018-09-21 | 2019-02-05 | 武汉同发科技有限公司 | A kind of water-based paint |
| RU2681166C1 (en) * | 2018-01-10 | 2019-03-04 | Общество с ограниченной ответственностью "Главстрой-Усть-Лабинск" | Autoclaved aerated concrete product, method of its manufacture, mixture for its manufacture and method of manufacture of mixture |
| CN112159187A (en) * | 2020-09-04 | 2021-01-01 | 上海阜阜建材有限公司 | Environment-friendly desulfurized gypsum aerated building block and production process thereof |
-
2022
- 2022-11-28 CN CN202211503476.8A patent/CN115849942A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560459A (en) * | 2015-10-05 | 2017-04-12 | 吉林省圣翔建材集团有限公司 | High-bending-strength pavement concrete prepared from cornstalk and preparation method thereof |
| RU2681166C1 (en) * | 2018-01-10 | 2019-03-04 | Общество с ограниченной ответственностью "Главстрой-Усть-Лабинск" | Autoclaved aerated concrete product, method of its manufacture, mixture for its manufacture and method of manufacture of mixture |
| CN109306220A (en) * | 2018-09-21 | 2019-02-05 | 武汉同发科技有限公司 | A kind of water-based paint |
| CN112159187A (en) * | 2020-09-04 | 2021-01-01 | 上海阜阜建材有限公司 | Environment-friendly desulfurized gypsum aerated building block and production process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101439955B (en) | Preparation of 06 grade gypsum based autoclave-free aerated concrete building blocks | |
| CN110028279B (en) | Method for preparing nano modified cement-based biomass material by calcining straw ash at high temperature | |
| CN101581131B (en) | Non-autoclaved aerated concrete building block and manufacturing method | |
| CN110510974A (en) | A kind of efficient aeroge solid waste concrete and preparation method thereof | |
| CN110171945A (en) | A kind of high cracking resistance Self-leveling facing mortar of automatically cleaning and preparation method | |
| CN109734369A (en) | A kind of foam air-entrained concrete building block and preparation method thereof prepared using iron tailings as raw material normal temperature and pressure | |
| CN114956681A (en) | High-temperature cured low-carbon high-strength geopolymer concrete material and preparation method thereof | |
| CN112573884A (en) | High-toughness alkali slag granite powder aerated concrete block and preparation method thereof | |
| CN110511056A (en) | A kind of foam concrete block and preparation method thereof | |
| CN109534761A (en) | A kind of red mud, aluminium ash base Unsteamed air-entrapping concrete and preparation method thereof | |
| CN110950620A (en) | Aerated concrete prepared from waste incineration slag and method thereof | |
| CN114988791A (en) | Flue grouting material doped with sulfur-rich lithium slag and preparation method and application thereof | |
| CN114230299B (en) | Full-solid-waste high-performance light material and preparation method and application thereof | |
| CN108298916A (en) | A kind of toughening cracking resistance cement heat preserving mortar and preparation method thereof | |
| CN112723807B (en) | Seawater-mixed underwater undispersed concrete and preparation method thereof | |
| CN113716931A (en) | Non-autoclaved silicomanganese slag aerated concrete thermal insulation building block and preparation method thereof | |
| CN105819778A (en) | Preparation method of light, thermal insulation, and environment-friendly composite wall construction material | |
| CN108191284A (en) | A kind of method with the production building block of cement synergist | |
| CN116606115A (en) | Autoclaved aerated concrete block and preparation method thereof | |
| CN115849942A (en) | Corrosion-resistant aerated building block and preparation method thereof | |
| CN116462437A (en) | Modified recycled aggregate and preparation method and application thereof | |
| CN111116092B (en) | Environment-friendly concrete reinforcing agent and preparation method thereof | |
| CN110194625B (en) | Method for optimizing cement structure and improving corrosion resistance and permeability resistance of concrete | |
| CN111848029A (en) | Lithium slag modified ultra-high performance concrete product and preparation method thereof | |
| CN110653936A (en) | Novel light wall material with good compression resistance and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |