CN112408842A - Nano waterproof agent applied to concrete and preparation method thereof - Google Patents
Nano waterproof agent applied to concrete and preparation method thereof Download PDFInfo
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- CN112408842A CN112408842A CN202011539248.7A CN202011539248A CN112408842A CN 112408842 A CN112408842 A CN 112408842A CN 202011539248 A CN202011539248 A CN 202011539248A CN 112408842 A CN112408842 A CN 112408842A
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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
- 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
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
Abstract
The invention discloses a nano waterproof agent applied to concrete, which has the technical scheme that: is prepared from the following components in parts by weight: 4-4.8 parts of silica sol, 1-1.8 parts of stearic acid, 5-5.5 parts of triethanolamine, 0.1-0.15 part of sodium polyacrylate, 0.12-0.16 part of sodium dodecyl benzene sulfonate, 1.5-2 parts of dispersing agent and 85-88 parts of water.
Description
Technical Field
The invention relates to the technical field of waterproof agents, in particular to a nano waterproof agent applied to concrete and a preparation method thereof.
Background
The 'underground engineering waterproof technical specification-GB 50108' and 'underground waterproof engineering quality acceptance specification-GB 50208' of the existing ministry of construction make new requirements on basement waterproofing, the basement waterproofing is required to be not less than 50 years of structural design working life, but the traditional concrete waterproofing agent has low use strength and can not achieve ideal effect, and the traditional concrete waterproofing agent has complex formula, troublesome preparation and poor water retention property, and can not realize self-compaction and self-healing functions.
Disclosure of Invention
The invention provides a nano waterproof agent applied to concrete and a preparation method thereof, and researches a waterproof agent product with high impermeability grade and long endurance life, and the product has the characteristics of high efficiency water reduction, strong water retention, self-compaction self-healing function, reinforcement bar rust resistance and the like.
In order to solve the technical problems, the technical scheme of the nano waterproof agent applied to concrete is as follows: is prepared from the following components in parts by weight: 4-4.8 parts of silica sol, 1-1.8 parts of stearic acid, 5-5.5 parts of triethanolamine, 0.1-0.15 part of sodium polyacrylate, 0.12-0.16 part of sodium dodecyl benzene sulfonate, 1.5-2 parts of dispersant and 85-88 parts of water.
Preferably, the composition is prepared from the following components in parts by weight: 4.5 parts of silica sol, 1.4 parts of stearic acid, 5.2 parts of triethanolamine, 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of a dispersing agent and 86.83 parts of water.
Further preferably, the dispersing agent is an ethanol solution with the mass fraction of 90%, and the ethanol solution is used as the dispersing agent, so that the scattering and uniform remixing performance among all the components of the mixed raw materials can be effectively improved, and further, the water retention performance and the self-compacting and self-healing functions are improved.
Preferably, the triethanolamine is a triethanolamine solution with the mass fraction of 10%, the triethanolamine solution or a colorless viscous liquid, and is used as an emulsifier in the invention, so that the viscosity among all the components of the mixed raw materials is effectively improved, the chemical reaction among all the components is accelerated through stirring, and the water reducing property and the water retaining property are improved.
Further preferably, the silica sol is a silica sol solution with a mass fraction of 35%, the silica sol is also called colloidal silica and is a colloidal solution of a silicic acid multi-molecular polymer, and the cost performance is higher by adopting the silica sol solution with the mass fraction of 35%.
A preparation method of a nano waterproof agent applied to concrete comprises the following steps:
a. taking 4.5 parts of raw materials of silica sol, 1.4 parts of stearic acid, 5.2 parts of triethanolamine, 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of dispersing agent and 86.83 parts of water for later use;
b. dissolving: firstly, adding 20 parts of water into a stainless steel reaction kettle, heating to 80-100 ℃, then adding 1.4 parts of stearic acid serving as a raw material into the stainless steel reaction kettle, stirring while adding the stearic acid for 90-120min until the stearic acid is completely dissolved, using the stearic acid as a water repellent, selecting a first-grade pure white product, improving the water reducing property, enabling the slump of the concrete discharged from the machine to reach more than 180mm, and meeting the construction pumping requirement;
c. emulsification: taking 5.2 parts of triethanolamine solution with the mass fraction of 10%, slowly dropping the triethanolamine solution into the mixed solution obtained in the step b, keeping the temperature at 50-80 ℃, stirring for 90min, and fully stirring and emulsifying the mixed solution until the mixed solution is milky for later use;
d. dispersing: taking 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of dispersant, and the sodium polyacrylate, wherein the product is colorless powder, has millions of molecular weights, and is often used as a water treatment agent, saline water refining and latex thickening; the sodium dodecyl benzene sulfonate is white or light yellow powder or flaky solid, is difficult to volatilize, is easy to dissolve in water, and is dissolved in the water to form semitransparent solution; is a commonly used anionic surfactant; sequentially adding the mixture into another stainless steel reaction kettle, and stirring at normal temperature for 30-35min to disperse the solution in the stainless steel reaction kettle and then fully mix the solution uniformly for later use;
e. mixing: adding the mixed solution in the step d into the stainless steel reaction kettle in the step a, and stirring, mixing, dispersing and emulsifying the mixed solution in the step d and the mixed solution in the step a for 25-35 min;
f. and (3) completing: taking 4.5 parts of 35% silica sol solution by mass of raw materials, slowly adding the raw materials into the mixed liquid obtained in the step e, and continuously stirring the raw materials; then adding water to 100 deg.C, and stirring for 30-40min to obtain the final product.
More preferably, the dispersing agent is 90% ethanol solution by mass fraction.
The invention has the following beneficial technical effects: the waterproof agent is formed by compounding a high-quality organic polymer material and a high-quality inorganic material, so that the flexibility of the organic material and the durability of the inorganic material are improved; the cement base course rapidly expands in the cement base course to block the micropores of the mortar and the concrete base course, and permeates into the micropores to generate water-insoluble substances and hydrophobic substances with the alkaline substances such as calcium hydroxide in the micropores, thereby improving the moisture resistance, water resistance and impermeability, and having the advantages of water reduction, aging resistance and the like.
The advantages are that:
(1) efficient water reduction: the water reducing rate of the self-waterproof concrete doped with the product is more than 25%, and under the condition of small water gel ratio (about 0.4), the slump of the concrete discharged from the machine can reach more than 180mm, so that the construction pumping requirement is met; the unit water consumption can be reduced, the water retention cohesiveness is improved, and the concrete is not easy to bleed and separate in the transportation process; the setting time can be adjusted according to construction requirements, which is particularly important for meeting the retarding requirements of high temperature, long transportation distance and large-volume concrete pouring in summer;
(2) water retention: the water in the concrete can be mainly reserved and not discharged, a water channel can not be formed, bleeding and water seepage can not occur, the water reserved in the concrete can participate in secondary hydration of cement, and the compactness and the strength of the concrete are improved;
(3) self-compaction, self-healing function: the concrete structure doped with the product generates a large amount of crystals and gel in the hydration and hardening processes to block the concrete gross porosity holes and microcracks, thereby playing the self-compaction and self-repair roles and effectively solving the water seepage problem;
(4) and (3) steel bar rust resistance: the product can play a role in preventing the steel bars from being rusted, prevent the steel bars from being corroded, and further ensure that the concrete structure meets the engineering durability requirement of the design service life.
Detailed Description
Example 1:
a nano waterproof agent applied to concrete is prepared from the following components in parts by weight: 4 parts of silica sol, 1 part of stearic acid, 5 parts of triethanolamine, 0.15 part of sodium polyacrylate, 0.12 part of sodium dodecyl benzene sulfonate, 2 parts of a dispersing agent and 87.73 parts of water.
Wherein: the dispersing agent is an ethanol solution with the mass fraction of 90%, and the ethanol solution is used as the dispersing agent, so that the scattering and uniform remixing performance among all components of the mixed raw materials can be effectively improved, and the water retention performance, the self-compacting function and the self-healing function are further improved; the triethanolamine is a triethanolamine solution, a triethanolamine solution or a colorless viscous liquid with the mass fraction of 10%, and is used as an emulsifier in the invention, so that the viscosity among all the components of the mixed raw materials is effectively improved, the chemical reaction among all the components is accelerated through stirring, the cost performance is higher, and the water reducing property and the water retaining property are improved; the silica sol is a silica sol solution with the mass fraction of 35%, the silica sol is also called colloidal silica and is a colloidal solution of silicic acid multi-molecular polymer, and the cost performance is higher by adopting the silica sol solution with the mass fraction of 35%.
A preparation method of a nano waterproof agent applied to concrete comprises the following steps:
a. taking 4 parts of raw materials of silica sol, 1 part of stearic acid, 5 parts of triethanolamine, 0.15 part of sodium polyacrylate, 0.12 part of sodium dodecyl benzene sulfonate, 2 parts of a dispersing agent and 87.73 parts of water for later use;
b. dissolving: firstly, adding 20 parts of water into a stainless steel reaction kettle, heating to 80-100 ℃, then adding 1 part of stearic acid serving as a raw material into the stainless steel reaction kettle, stirring while adding stearic acid, and stirring for 90-120min until the stearic acid is completely dissolved;
c. emulsification: taking 5 parts of triethanolamine solution with the mass fraction of 10%, slowly dropping the triethanolamine solution into the mixed solution obtained in the step b, keeping the temperature at 80 ℃, stirring for 90min, and fully stirring and emulsifying the mixed solution until the mixed solution is milky for later use;
d. dispersing: taking 0.15 part of raw materials of sodium polyacrylate, 0.12 part of sodium dodecyl benzene sulfonate and 2 parts of dispersing agent, sequentially adding the raw materials into another stainless steel reaction kettle, keeping the normal temperature for stirring, wherein the stirring time is 30-35min, so that the solution in the stainless steel reaction kettle is firstly dispersed and then fully mixed for later use; the dispersing agent adopts 90% of ethanol solution by mass, so that the cost performance is higher;
e. mixing: adding the mixed solution in the step d into the stainless steel reaction kettle in the step a, and stirring, mixing, dispersing and emulsifying the mixed solution in the step d and the mixed solution in the step a for 25-35 min;
f. and (3) completing: taking 4 parts of 35% silica sol solution by mass of raw materials, slowly adding the raw materials into the mixed liquid obtained in the step e, and continuously stirring the raw materials; and then adding water to 100 ℃ for continuous stirring operation, wherein the stirring time is 30-40min, and obtaining a finished product.
Example 2:
a nano waterproof agent applied to concrete is prepared from the following components in parts by weight: 4.3 parts of silica sol, 1.2 parts of stearic acid, 5.1 parts of triethanolamine, 0.14 part of sodium polyacrylate, 0.13 part of sodium dodecyl benzene sulfonate, 1.9 parts of dispersant and 87.23 parts of water.
Wherein: the dispersing agent is an ethanol solution with the mass fraction of 90%, and the ethanol solution is used as the dispersing agent, so that the scattering and uniform remixing performance among all components of the mixed raw materials can be effectively improved, and the water retention performance, the self-compacting function and the self-healing function are further improved; the triethanolamine is a triethanolamine solution with the mass fraction of 10%, a triethanolamine solution or a colorless viscous liquid, and is used as an emulsifier in the invention, so that the viscosity among all the components of the mixed raw materials is effectively improved, the chemical reaction among all the components is accelerated through stirring, and the water reducing property and the water retaining property are improved; the silica sol is a silica sol solution with the mass fraction of 35%, the silica sol is also called colloidal silica and is a colloidal solution of silicic acid multi-molecular polymer, and the cost performance is higher by adopting the silica sol solution with the mass fraction of 35%.
A preparation method of a nano waterproof agent applied to concrete comprises the following steps:
a. taking 4.3 parts of raw materials of silica sol, 1.2 parts of stearic acid, 5.1 parts of triethanolamine, 0.14 part of sodium polyacrylate, 0.13 part of sodium dodecyl benzene sulfonate, 1.9 parts of dispersing agent and 87.23 parts of water for later use;
b. dissolving: firstly, adding 20 parts of water into a stainless steel reaction kettle, heating to 80-100 ℃, then adding 1.2 parts of stearic acid serving as a raw material into the stainless steel reaction kettle, stirring while adding the stearic acid for 90-120min until the stearic acid is completely dissolved;
c. emulsification: taking 5.1 parts of triethanolamine solution with the mass fraction of 10%, slowly dropping the triethanolamine solution into the mixed solution obtained in the step b, keeping the temperature at 80 ℃, stirring for 90min, and fully stirring and emulsifying the mixed solution until the mixed solution is milky for later use;
d. dispersing: taking 0.14 part of raw materials of sodium polyacrylate, 0.13 part of sodium dodecyl benzene sulfonate and 1.9 parts of dispersing agent, sequentially adding the raw materials into another stainless steel reaction kettle, keeping the normal temperature for stirring, wherein the stirring time is 30-35min, so that the solution in the stainless steel reaction kettle is firstly dispersed and then fully mixed for later use; the dispersing agent adopts 90% of ethanol solution by mass, so that the cost performance is higher;
e. mixing: adding the mixed solution in the step d into the stainless steel reaction kettle in the step a, and stirring, mixing, dispersing and emulsifying the mixed solution in the step d and the mixed solution in the step a for 25 min;
f. and (3) completing: taking 4.3 parts of 35% silica sol solution by mass of raw materials, slowly adding the raw materials into the mixed liquid obtained in the step e, and continuously stirring the raw materials; and then adding water to 100 ℃ for continuous stirring operation, wherein the stirring time is 30-40min, and obtaining a finished product.
Example 3:
a nano waterproof agent applied to concrete is prepared from the following components in parts by weight: 4.5 parts of silica sol, 1.4 parts of stearic acid, 5.2 parts of triethanolamine, 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of a dispersing agent and 86.83 parts of water.
Wherein: the dispersing agent is an ethanol solution with the mass fraction of 90%, and the ethanol solution is used as the dispersing agent, so that the scattering and uniform remixing performance among all components of the mixed raw materials can be effectively improved, and the water retention performance, the self-compacting function and the self-healing function are further improved; the triethanolamine is a triethanolamine solution with the mass fraction of 10%, a triethanolamine solution or a colorless viscous liquid, and is used as an emulsifier in the invention, so that the viscosity among all the components of the mixed raw materials is effectively improved, the chemical reaction among all the components is accelerated through stirring, and the water reducing property and the water retaining property are improved; the silica sol is a silica sol solution with the mass fraction of 35%, the silica sol is also called colloidal silica and is a colloidal solution of silicic acid multi-molecular polymer, and the cost performance is higher by adopting the silica sol solution with the mass fraction of 35%.
A preparation method of a nano waterproof agent applied to concrete comprises the following steps:
a. taking 4.5 parts of raw materials of silica sol, 1.4 parts of stearic acid, 5.2 parts of triethanolamine, 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of dispersing agent and 86.83 parts of water for later use;
b. dissolving: firstly, adding 20 parts of water into a stainless steel reaction kettle, heating to 90 ℃, then adding 1.4 parts of stearic acid serving as a raw material into the stainless steel reaction kettle, stirring while adding the stearic acid, and stirring for 100min until the stearic acid is completely dissolved;
c. emulsification: taking 5.2 parts of triethanolamine solution with the mass fraction of 10%, slowly dropping the triethanolamine solution into the mixed solution obtained in the step b, keeping the temperature at 80 ℃, stirring for 95min, and fully stirring and emulsifying the mixed solution until the mixed solution is milky for later use;
d. dispersing: taking 0.13 part of raw materials of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate and 1.8 parts of dispersing agent, sequentially adding the raw materials into another stainless steel reaction kettle, keeping the normal temperature for stirring, wherein the stirring time is 30-35min, so that the solution in the stainless steel reaction kettle is firstly dispersed and then fully mixed for later use; the dispersing agent adopts 90% of ethanol solution by mass, so that the cost performance is higher;
e. mixing: adding the mixed solution in the step d into the stainless steel reaction kettle in the step a, and stirring, mixing, dispersing and emulsifying the mixed solution in the step d and the mixed solution in the step a for 35 min;
f. and (3) completing: taking 4.3 parts of 35% silica sol solution by mass of raw materials, slowly adding the raw materials into the mixed liquid obtained in the step e, and continuously stirring the raw materials; and then adding water to 100 ℃ for continuous stirring operation, wherein the stirring time is 30-40min, and obtaining a finished product.
Example 4:
a nano waterproof agent applied to concrete is prepared from the following components in parts by weight: 4.8 parts of silica sol, 1.6 parts of stearic acid, 5.3 parts of triethanolamine, 0.12 part of sodium polyacrylate, 0.15 part of sodium dodecyl benzene sulfonate, 1.7 parts of dispersant and 86.33 parts of water.
Wherein: the dispersing agent is an ethanol solution with the mass fraction of 90%, and the ethanol solution is used as the dispersing agent, so that the scattering and uniform remixing performance among all components of the mixed raw materials can be effectively improved, and the water retention performance, the self-compacting function and the self-healing function are further improved; the triethanolamine is a triethanolamine solution with the mass fraction of 10%, a triethanolamine solution or a colorless viscous liquid, and is used as an emulsifier in the invention, so that the viscosity among all the components of the mixed raw materials is effectively improved, the chemical reaction among all the components is accelerated through stirring, and the water reducing property and the water retaining property are improved; the silica sol is a silica sol solution with the mass fraction of 35%, the silica sol is also called colloidal silica and is a colloidal solution of silicic acid multi-molecular polymer, and the cost performance is higher by adopting the silica sol solution with the mass fraction of 35%.
A preparation method of a nano waterproof agent applied to concrete comprises the following steps:
a. taking 4.8 parts of raw materials of silica sol, 1.6 parts of stearic acid, 5.3 parts of triethanolamine, 0.12 part of sodium polyacrylate, 0.15 part of sodium dodecyl benzene sulfonate, 1.7 parts of dispersing agent and 86.33 parts of water for later use;
b. dissolving: firstly, adding 20 parts of water into a stainless steel reaction kettle, heating to 100 ℃, then adding 1.6 parts of stearic acid serving as a raw material into the stainless steel reaction kettle, stirring while adding the stearic acid, and stirring for 95min until the stearic acid is completely dissolved;
c. emulsification: taking 5.3 parts of triethanolamine solution with the mass fraction of 10%, slowly dropping the triethanolamine solution into the mixed solution obtained in the step b, keeping the temperature at 90 ℃, stirring for 90min, and fully stirring and emulsifying the mixed solution until the mixed solution is milky for later use;
d. dispersing: taking 0.12 part of raw materials of sodium polyacrylate, 0.15 part of sodium dodecyl benzene sulfonate and 1.7 parts of dispersing agent, sequentially adding the raw materials into another stainless steel reaction kettle, keeping the normal temperature for stirring, wherein the stirring time is 30-35min, so that the solution in the stainless steel reaction kettle is firstly dispersed and then fully mixed for later use; the dispersing agent adopts 90% of ethanol solution by mass, so that the cost performance is higher;
e. mixing: adding the mixed solution in the step d into the stainless steel reaction kettle in the step a, and stirring, mixing, dispersing and emulsifying the mixed solution in the step d and the mixed solution in the step a for 30 min;
f. and (3) completing: taking 4.3 parts of 35% silica sol solution by mass of raw materials, slowly adding the raw materials into the mixed liquid obtained in the step e, and continuously stirring the raw materials; and then adding water to 100 ℃ for continuous stirring operation, wherein the stirring time is 30-40min, and obtaining a finished product.
The waterproof agent rapidly expands in a cement base layer to block micropores of mortar and the concrete base layer, permeates into the micropores, generates water-insoluble substances and hydrophobic substances with alkaline substances such as calcium hydroxide and the like in the micropores, has good moisture-proof, waterproof and anti-permeability performances, and also has the advantages of water reduction, ageing resistance and the like.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. A nanometer waterproof agent applied to concrete is characterized in that: is prepared from the following components in parts by weight: 4-4.8 parts of silica sol, 1-1.8 parts of stearic acid, 5-5.5 parts of triethanolamine, 0.1-0.15 part of sodium polyacrylate, 0.12-0.16 part of sodium dodecyl benzene sulfonate, 1.5-2 parts of dispersant and 85-88 parts of water.
2. The nano waterproof agent applied to concrete according to claim 1, wherein: is prepared from the following components in parts by weight: 4.5 parts of silica sol, 1.4 parts of stearic acid, 5.2 parts of triethanolamine, 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of a dispersing agent and 86.83 parts of water.
3. The nano water repellent agent for concrete application according to claim 1 or 2, wherein: the dispersing agent is an ethanol solution with the mass fraction of 90%.
4. The nano water repellent agent for concrete application according to claim 1 or 2, wherein: the triethanolamine is a triethanolamine solution with the mass fraction of 10%.
5. The nano water repellent agent for concrete application according to claim 1 or 2, wherein: the silica sol is a silica sol solution with the mass fraction of 35%.
6. A preparation method of a nano waterproof agent applied to concrete is characterized by comprising the following steps: the method comprises the following steps:
a. taking 4.5 parts of raw materials of silica sol, 1.4 parts of stearic acid, 5.2 parts of triethanolamine, 0.13 part of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate, 1.8 parts of dispersing agent and 86.83 parts of water for later use;
b. dissolving: firstly, adding 20 parts of water into a stainless steel reaction kettle, heating to 80-100 ℃, then adding 1.4 parts of stearic acid serving as a raw material into the stainless steel reaction kettle, stirring while adding the stearic acid for 90-120min until the stearic acid is completely dissolved;
c. emulsification: taking 5.2 parts of triethanolamine solution with the mass fraction of 10%, slowly dropping the triethanolamine solution into the mixed solution obtained in the step b, keeping the temperature at 50-80 ℃, stirring for 90min, and fully stirring and emulsifying the mixed solution until the mixed solution is milky for later use;
d. dispersing: taking 0.13 part of raw materials of sodium polyacrylate, 0.14 part of sodium dodecyl benzene sulfonate and 1.8 parts of dispersing agent, sequentially adding the raw materials into another stainless steel reaction kettle, keeping the normal temperature for stirring, wherein the stirring time is 30-35min, so that the solution in the stainless steel reaction kettle is firstly dispersed and then fully mixed for later use;
e. mixing: adding the mixed solution in the step d into the stainless steel reaction kettle in the step a, and stirring, mixing, dispersing and emulsifying the mixed solution in the step d and the mixed solution in the step a for 25-35 min;
f. and (3) completing: taking 4.5 parts of 35% silica sol solution by mass of raw materials, slowly adding the raw materials into the mixed liquid obtained in the step e, and continuously stirring the raw materials; then adding water to 100 deg.C, and stirring for 30-40min to obtain the final product.
7. The method for preparing a nano waterproof agent applied to concrete according to claim 6, wherein the method comprises the following steps: the dispersing agent adopts 90% of ethanol solution by mass fraction.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230252A (en) * | 2021-12-28 | 2022-03-25 | 浙江研翔新材料有限公司 | Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof |
| CN117185701A (en) * | 2023-11-07 | 2023-12-08 | 上海亚地鸿新材料科技有限公司 | Preparation method of self-repairing anti-cracking, anti-corrosion, rust-resistant and waterproof material for concrete |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442386A (en) * | 2002-03-06 | 2003-09-17 | 尚启水 | Grout, concrete waterproof agent and its manufacturing technology |
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- 2020-12-23 CN CN202011539248.7A patent/CN112408842A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442386A (en) * | 2002-03-06 | 2003-09-17 | 尚启水 | Grout, concrete waterproof agent and its manufacturing technology |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230252A (en) * | 2021-12-28 | 2022-03-25 | 浙江研翔新材料有限公司 | Self-compacting temperature-inhibiting waterproof composite material and preparation method thereof |
| CN117185701A (en) * | 2023-11-07 | 2023-12-08 | 上海亚地鸿新材料科技有限公司 | Preparation method of self-repairing anti-cracking, anti-corrosion, rust-resistant and waterproof material for concrete |
| CN117185701B (en) * | 2023-11-07 | 2024-01-23 | 上海亚地鸿新材料科技有限公司 | Preparation method of self-repairing anti-cracking, anti-corrosion, rust-resistant and waterproof material for concrete |
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Application publication date: 20210226 |