CN115321876A - Antifreezing agent for improving frost heaving stress of concrete and preparation method thereof - Google Patents
Antifreezing agent for improving frost heaving stress of concrete and preparation method thereof Download PDFInfo
- Publication number
- CN115321876A CN115321876A CN202211018841.6A CN202211018841A CN115321876A CN 115321876 A CN115321876 A CN 115321876A CN 202211018841 A CN202211018841 A CN 202211018841A CN 115321876 A CN115321876 A CN 115321876A
- Authority
- CN
- China
- Prior art keywords
- concrete
- parts
- mixed solution
- improving
- frost heaving
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002086 nanomaterial Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000006185 dispersion Substances 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 25
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 230000002528 anti-freeze Effects 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 9
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 9
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 9
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 9
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000011259 mixed solution Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 6
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical group [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 4
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000007798 antifreeze agent Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/601—Agents for increasing frost resistance
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention relates to an antifreezing agent for improving frost heaving stress of concrete and a preparation method thereof, wherein the antifreezing agent comprises the following raw materials in parts by weight: 20-25 parts of a polycarboxylic acid water reducing agent, 4-8 parts of a high-dispersion nano material, 8-12 parts of polyethylene glycol, 3-6 parts of sodium sulfate, 9-12 parts of sodium carboxymethylcellulose and 40-50 parts of deionized water. According to the invention, the high-dispersion nano material is doped in the conventional concrete component formula, and is obtained by depositing nano titanium dioxide on mesoporous silica, and is doped into concrete as an antifreeze component, so that the dispersibility of the antifreeze in the concrete can be improved, the pores of the concrete can be further filled, the microstructure of the concrete is compact, the impermeability and compactness of the concrete are improved, the moisture permeation is reduced, and the antifreeze performance is correspondingly improved.
Description
Technical Field
The invention belongs to the technical field of concrete antifreezes, and particularly relates to an antifreezer for improving frost heaving stress of concrete and a preparation method thereof.
Background
When the concrete does not reach the required strength, a certain amount of water is still in the concrete, after the environmental temperature reaches the freezing point of water, the hydration reaction stops, the strength increase also stops, water which does not participate in the hydration reaction in the concrete freezes to generate frost heaving stress, at the moment, if the concrete does not reach the anti-freezing critical strength, the final strength of the concrete can be greatly reduced, and in order to solve the construction problem of the negative-temperature concrete, the concrete is mixed with the anti-freezing agent, so that the concrete is the most economic and convenient solution;
the action principle of the antifreezing agent is approximately three points, and firstly, the antifreezing agent causes 'defects' of ice crystals; secondly, the freezing point of the solution is lowered; and thirdly, early strengthening, namely improving the hydration reaction of cement and reducing the early setting and hardening time of concrete. At present, an early strength antifreezing method is mostly adopted, an early strength component and a water reducing component are introduced into concrete, the early strength of the concrete is improved as early as possible, the water consumption of the concrete is reduced to avoid adverse effects of negative temperature on the frozen concrete, but the actual antifreezing effect is not good, and the technical problem to be solved is how to enhance the antifreezing performance of the concrete from the aspect of improving the mechanical performance of the concrete.
Disclosure of Invention
The invention aims to solve the problems and provides an antifreezing agent for improving the frost heaving stress of concrete and a preparation method thereof.
The invention achieves the above purpose through the following technical scheme:
as one aspect of the invention, the invention provides an antifreezing agent for improving frost heaving stress of concrete, which comprises the following raw materials in parts by weight: 20-25 parts of a polycarboxylic acid water reducing agent, 5-6 parts of a high-dispersion nano material, 8-12 parts of polyethylene glycol, 3-6 parts of sodium sulfate, 9-12 parts of sodium carboxymethylcellulose and 40-50 parts of deionized water.
As a further optimized scheme of the present invention, the high dispersion nano material is a nano titanium dioxide composite material obtained by depositing nano titanium dioxide on mesoporous silica.
As a further optimization scheme of the invention, the particle diameter of the nano titanium dioxide is less than 100nm.
As a further optimization scheme of the invention, the preparation process of the high-dispersion nano material is as follows,
(1) Mixing and dissolving a surfactant, an acid-base regulator and deionized water in a mass ratio of (0.1-1) to (1-5) to 100 to obtain a mixed solution A;
(2) Stirring and mixing the nano titanium dioxide and the mixed solution A obtained in the step (1) in a mass ratio of (0.1-1) to 100 to obtain a mixed solution B;
(3) Stirring and mixing tetraethyl orthosilicate and the mixed solution B obtained in the step (2) in a mass ratio of (0.1-1) to 100, heating to 60-90 ℃, and reacting for 2-5 hours;
(4) And (4) carrying out solid-liquid separation, washing and drying on the product obtained after the reaction in the step (3), and roasting at 400-600 ℃ for 4-10h to obtain the high-dispersion nano material.
As a further optimization scheme of the invention, the surfactant is cetyl trimethyl ammonium bromide.
As another aspect of the invention, the invention also provides a preparation method of the antifreezing agent for improving the frost heaving stress of the concrete, which comprises the following steps:
(1) Mixing deionized water and polyethylene glycol to obtain a mixed solution C;
(2) Dispersing the high-dispersion nano material in the mixed solution C obtained in the step (1) to obtain a mixed solution D;
(3) And (3) adding a polycarboxylic acid water reducing agent, sodium sulfate and sodium carboxymethylcellulose into the mixed solution D obtained in the step (2), mixing, and drying at the temperature of 60-80 ℃ to constant weight to obtain the antifreezing agent for improving the frost heaving stress of the concrete.
The invention has the beneficial effects that: according to the invention, the high-dispersion nano material is doped in the conventional concrete component formula, and is obtained by depositing nano titanium dioxide on mesoporous silica, and is doped into concrete as an antifreeze component, so that the dispersibility of the antifreeze in the concrete can be improved, the pores of the concrete can be further filled, the microstructure of the concrete is compact, the impermeability and compactness of the concrete are improved, the moisture permeation is reduced, and the antifreeze performance is correspondingly improved.
Detailed Description
The present invention is described in further detail below, and it should be noted that the following detailed description is provided for illustrative purposes only, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Example 1
The invention provides an antifreezing agent for improving frost heaving stress of concrete, which comprises the following raw materials, by weight, 20 parts of a polycarboxylic acid water reducing agent, 8 parts of a high-dispersion nano material, 8 parts of polyethylene glycol, 6 parts of sodium sulfate, 12 parts of sodium carboxymethyl cellulose and 50 parts of deionized water, wherein the high-dispersion nano material is obtained by depositing nano titanium dioxide on mesoporous silicon dioxide, and the particle diameter of the nano titanium dioxide is not more than 100nm.
The preparation process of the high-dispersion nano material is as follows,
(1) Mixing and dissolving a surfactant cetyl trimethyl ammonium bromide and an acid-base regulator in deionized water according to a mass ratio of 1;
(2) Stirring and mixing nano titanium dioxide and the mixed solution A obtained in the step (1) in a mass ratio of 1;
(3) Stirring and mixing tetraethyl orthosilicate and the mixed solution B obtained in the step (2) in a mass ratio of 1;
(4) And (4) carrying out solid-liquid separation, washing and drying on the product obtained after the reaction in the step (3), and roasting for 6 hours at 500 ℃ to obtain the high-dispersion nano material.
The preparation method of the antifreezing agent for improving the frost heaving stress of the concrete comprises the following steps:
(1) Mixing deionized water with polyethylene glycol to obtain a mixed solution C;
(2) Dispersing the high-dispersion nano material in the mixed solution C obtained in the step (1) to obtain a mixed solution D;
(3) And (3) adding a polycarboxylic acid water reducing agent, sodium sulfate and sodium carboxymethylcellulose into the mixed solution D obtained in the step (2), mixing, and drying at 80 ℃ to constant weight to obtain the antifreezing agent for improving the frost heaving stress of the concrete.
Example 2
The invention provides an antifreezing agent for improving concrete frost heaving stress, which comprises the following raw materials, by weight, 25 parts of a polycarboxylic acid water reducing agent, 4 parts of a high-dispersion nano material, 12 parts of polyethylene glycol, 3 parts of sodium sulfate, 9 parts of sodium carboxymethylcellulose and 40 parts of deionized water, wherein the high-dispersion nano material is a nano titanium dioxide composite material obtained by depositing nano titanium dioxide on mesoporous silicon dioxide, and the particle diameter of the nano titanium dioxide is not more than 100nm.
The preparation process of the high-dispersion nano material is the same as that of example 1, and the BET specific surface area of the prepared high-dispersion nano material is 469.798m 2 /g；
The preparation method of the antifreeze for improving the frost heaving stress of the concrete is the same as that of the example 1.
Example 3
The invention provides an antifreezing agent for improving frost heaving stress of concrete, which comprises the following raw materials, by weight, 22 parts of a polycarboxylic acid water reducing agent, 6 parts of a high-dispersion nano material, 10 parts of polyethylene glycol, 4 parts of sodium sulfate, 11 parts of sodium carboxymethyl cellulose and 45 parts of deionized water, wherein the high-dispersion nano material is a nano titanium dioxide composite material obtained by depositing nano titanium dioxide on mesoporous silicon dioxide, and the particle diameter of the nano titanium dioxide is not more than 100nm.
The preparation process of the high-dispersion nano material is the same as that of the embodiment 1;
the preparation method of the antifreeze for improving the frost heaving stress of the concrete is the same as that of the example 1.
Verification test
1. To verify the effect of the incorporation of different kinds of highly dispersed nanomaterials on the antifreeze, the following comparative examples were set up:
comparative examples 1 to 2: the antifreeze sample is prepared by depositing nano aluminum oxide with the particle diameter not more than 100nm and nano silicon dioxide on mesoporous silicon dioxide respectively to obtain 3 groups of high-dispersion nano materials according to the component formula disclosed in the embodiment 2 under the condition that the proportion of the rest components is kept to be constant, and in addition, the nano titanium dioxide with the same weight part is used as a control group.
2. Verifying the influence of the preparation method of the high-dispersion nano material on the antifreezing agent, and setting a comparative example 3:
the difference from example 2 is that, the preparation process of the high dispersion nano material is as follows,
(1) Mixing and dissolving a surfactant cetyl trimethyl ammonium bromide, an acid-base regulator and deionized water in a mass ratio of 1;
(2) Stirring and mixing tetraethyl orthosilicate and the mixed solution A obtained in the step (1) in a mass ratio of 1;
(3) Carrying out solid-liquid separation, washing and drying on the product obtained after the reaction in the step (2), and roasting for 6 hours at 500 ℃ to obtain mesoporous silica;
(4) Weighing the nano titanium dioxide according to the mass ratio of the nano titanium dioxide to the mixed solution A of 1 2 The BET specific surface area of the nano titanium dioxide is 50 +/-15 m 2 /g。
For examples 1-3, comparative examples 1-3 and the control group, 5 parts by weight of each concrete sample was prepared by mixing and stirring with 100 parts by weight of cement, 40 parts by weight of water, 25 parts by weight of sand, 8 parts by weight of water reducing agent and 10 parts by weight of fly ash, and the same parts by weight of each concrete sample were subjected to performance testing tests, namely 50 times of freeze-thaw strength loss ratio tests, testing and calculating the strength loss ratio according to GB/T50082-2009, and testing the compressive strength ratio according to GB/T50081, with a negative temperature of-15 ℃, to obtain the results shown in table 1:
TABLE 1 test data sheet
And (4) conclusion: as can be seen from Table 1, when the antifreeze prepared in the examples 1 to 3 is applied to concrete, the antifreeze has a lower strength loss rate after being subjected to freeze thawing for 50 times, and can still maintain a better compressive strength at a negative temperature;
in comparative examples 1-2, nano aluminum oxide and nano silicon dioxide with particle diameters not greater than 100nm are respectively adopted to replace nano titanium dioxide in the invention, and table 1 shows that the prepared antifreeze agent has poor effect, so that the antifreeze effect of the nano titanium dioxide is relatively more remarkable compared with other nano materials;
finally, in example 2, compared with the method of mechanically mixing the nano titanium dioxide and the mesoporous silica, the method for preparing the highly dispersed nano material provided by the invention has a higher specific surface area of 469.798m 2 And/g, when the antifreezing agent is used as an antifreezing agent component and is doped into concrete, the dispersibility of the antifreezing agent in the concrete can be improved, the concrete pores can be further filled, the micro appearance of the concrete is dense, the impermeability and compactness of the concrete are improved, the moisture permeation is reduced, and the antifreezing performance is correspondingly improved.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, and is not to be construed as excluding other embodiments, and that the invention is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The antifreezing agent for improving the frost heaving stress of the concrete is characterized by comprising the following raw materials in parts by weight: 20-25 parts of a polycarboxylic acid water reducing agent, 4-8 parts of a high-dispersion nano material, 8-12 parts of polyethylene glycol, 3-6 parts of sodium sulfate, 9-12 parts of sodium carboxymethylcellulose and 40-50 parts of deionized water.
2. The antifreeze for improving frost heaving stress of concrete according to claim 1, wherein: the high-dispersion nano material is obtained by depositing nano titanium dioxide on mesoporous silicon dioxide.
3. The antifreeze agent for improving the frost heaving stress of concrete as claimed in claim 2, wherein the particle diameter of said nano titanium dioxide is not more than 100nm.
4. The antifreeze agent for improving the frost heaving stress of concrete as set forth in claim 2, wherein the highly dispersed nanomaterial is prepared by the process comprising,
(1) Mixing and dissolving a surfactant, an acid-base regulator and deionized water in a mass ratio of (0.1-1) to (1-5) to 100 to obtain a mixed solution A;
(2) Stirring and mixing the nano titanium dioxide and the mixed solution A obtained in the step (1) in a mass ratio of (0.1-1) to 100 to obtain a mixed solution B;
(3) Stirring and mixing tetraethyl orthosilicate and the mixed solution B obtained in the step (2) in a mass ratio of (0.1-1) to 100, heating to 60-90 ℃, and reacting for 2-5h;
(4) And (4) carrying out solid-liquid separation, washing and drying on the product obtained after the reaction in the step (3), and roasting at 400-600 ℃ for 4-10h to obtain the high-dispersion nano material.
5. The antifreeze for improving frost heaving stress of concrete as claimed in claim 4, wherein the surfactant is cetyltrimethylammonium bromide.
6. The preparation method of the antifreeze for improving the frost heaving stress of concrete according to any one of claims 1 to 5, comprising the following steps:
(1) Mixing deionized water and polyethylene glycol to obtain a mixed solution C;
(2) Dispersing the high-dispersion nano material in the mixed solution C obtained in the step (1) to obtain a mixed solution D;
(3) And (3) adding a polycarboxylic acid water reducing agent, sodium sulfate and sodium carboxymethylcellulose into the mixed solution D obtained in the step (2), mixing, and drying at the temperature of 60-80 ℃ to constant weight to obtain the antifreezing agent for improving the frost heaving stress of the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211018841.6A CN115321876A (en) | 2022-08-24 | 2022-08-24 | Antifreezing agent for improving frost heaving stress of concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211018841.6A CN115321876A (en) | 2022-08-24 | 2022-08-24 | Antifreezing agent for improving frost heaving stress of concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115321876A true CN115321876A (en) | 2022-11-11 |
Family
ID=83925458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211018841.6A Pending CN115321876A (en) | 2022-08-24 | 2022-08-24 | Antifreezing agent for improving frost heaving stress of concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115321876A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116063024A (en) * | 2022-12-28 | 2023-05-05 | 贵州石博士科技股份有限公司 | Novel concrete antifreezer and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536850A (en) * | 2016-01-26 | 2016-05-04 | 山东玉皇新能源科技有限公司 | High-dispersity nano titanium dioxide composite material and preparation method thereof |
| CN110117179A (en) * | 2019-06-06 | 2019-08-13 | 北京泽华路桥工程有限公司 | A kind of environmental protection anti-freezing type concrete and preparation method thereof |
-
2022
- 2022-08-24 CN CN202211018841.6A patent/CN115321876A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536850A (en) * | 2016-01-26 | 2016-05-04 | 山东玉皇新能源科技有限公司 | High-dispersity nano titanium dioxide composite material and preparation method thereof |
| CN110117179A (en) * | 2019-06-06 | 2019-08-13 | 北京泽华路桥工程有限公司 | A kind of environmental protection anti-freezing type concrete and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张茂花: ""纳米路面混凝土的基本性能"", vol. 1, 东北林业大学出版社, pages: 137 - 141 * |
| 张茂花: "纳米路面混凝土的全寿命性能", vol. 1, no. 12, pages 020 - 36 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116063024A (en) * | 2022-12-28 | 2023-05-05 | 贵州石博士科技股份有限公司 | Novel concrete antifreezer and preparation method thereof |
| CN116063024B (en) * | 2022-12-28 | 2024-03-01 | 贵州石博士科技股份有限公司 | Concrete antifreezer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108358591B (en) | Building material composition containing aeolian sand and preparation method thereof | |
| CN110041035B (en) | C30 high-impermeability concrete with low consumption of rubber materials and preparation method thereof | |
| WO2022148465A1 (en) | Aerogel coating and preparation method therefor, and aerogel coating layer and preparation method therefor | |
| CN106630901B (en) | Green high performance concrete | |
| CN114195543B (en) | Mullite whisker/anorthite/SiO 2 Aerogel porous ceramic, preparation method thereof and heat insulation tile | |
| CN111285640B (en) | High-strength lightweight concrete and preparation method thereof | |
| CN115321876A (en) | Antifreezing agent for improving frost heaving stress of concrete and preparation method thereof | |
| CN112573874A (en) | Preparation method of high-strength self-compacting concrete | |
| CN109279860B (en) | Preparation method of 3D printing electromagnetic protection light high-strength phosphate cement material | |
| CN109320257B (en) | Preparation method of high-strength high-porosity porous silicon nitride ceramic | |
| CN103043970A (en) | Concrete for nuclear power station | |
| CN110304894B (en) | Preparation method of foaming hydrophobic magnesium oxychloride cement | |
| CN108821697B (en) | Water-retention silica gel internal curing concrete and preparation method thereof | |
| CN114507051B (en) | Cement-based permeable crystallization type material and preparation method thereof | |
| CN116514478A (en) | Calcium carbonate and carbon fiber reinforced concrete and preparation method thereof | |
| CN113511877B (en) | High-strength concrete and preparation method thereof | |
| CN111908847B (en) | Anti-freezing and anti-cracking concrete and preparation method thereof | |
| CN115286286A (en) | Efficient water reducing agent for concrete and preparation method thereof | |
| CN108546015A (en) | A kind of composite concrete and preparation method thereof suitable for steel reinforced concrete structure | |
| CN111499295B (en) | Steam-cured cement-based material with high water absorption resistance and preparation method thereof | |
| CN113979710A (en) | Anti-corrosion concrete suitable for alpine regions and preparation method thereof | |
| CN113651591A (en) | Assembled material with good fireproof effect | |
| CN109574599B (en) | Environment-friendly durable building material | |
| CN109574598B (en) | Preparation process of environment-friendly durable building material | |
| CN116639998B (en) | Porous silicon carbide ceramic material and preparation 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221111 |
|
| RJ01 | Rejection of invention patent application after publication |