CN112708497B - Concrete release agent and preparation method thereof - Google Patents
Concrete release agent and preparation method thereof Download PDFInfo
- Publication number
- CN112708497B CN112708497B CN202010655779.6A CN202010655779A CN112708497B CN 112708497 B CN112708497 B CN 112708497B CN 202010655779 A CN202010655779 A CN 202010655779A CN 112708497 B CN112708497 B CN 112708497B
- Authority
- CN
- China
- Prior art keywords
- parts
- release agent
- concrete
- agent
- emulsifier
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/388—Treating surfaces of moulds, cores, or mandrels to prevent sticking with liquid material, e.g. lubricating
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/08—Inorganic acids or salts thereof
- C10M2201/082—Inorganic acids or salts thereof containing nitrogen
- C10M2201/083—Inorganic acids or salts thereof containing nitrogen nitrites
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/288—Partial esters containing free carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention relates to the technical field of concrete release agents, in particular to a concrete release agent and a preparation method thereof; the concrete release agent comprises: emulsified oil, the emulsified oil contains conduction oil and a co-emulsifier, and the co-emulsifier is diisobutyl dibasic acid; the antirust agent is selected from one or a mixture of more of fatty acid, alcohol amine, sodium nitrite and sodium carbonate. The concrete release agent provided by the invention has good corrosion resistance, excellent heat conduction and thermal cracking resistance, can quickly conduct local heat of concrete, improve the resilience strength, avoid surface temperature cracks from being formed in the concrete forming process, can volatilize the auxiliary emulsifier after film forming, cannot influence the characteristics of the release agent, can effectively shorten the drying and film forming time of the release agent, and has extremely wide market application prospect.
Description
Technical Field
The invention relates to the technical field of concrete release agents, in particular to a concrete release agent and a preparation method thereof.
Background
Along with the continuous development of national urbanization and infrastructure construction, the scale of construction engineering is frequently innovative, concrete is the most widely used building material, and the excellent construction performance and mechanical property ensure the pouring and use safety of concrete members. However, with the development of architectural design concepts and concrete technologies, the requirements for the decorative effect of the concrete surface are also higher and higher. The reasonable use of the release agent can effectively improve the appearance of the concrete and improve the durability of the concrete.
The concrete release agent is generally divided into an oil release agent and a water release agent, wherein the oil release agent generally comprises mineral oil, naphthenic oil, engine oil and the like, has good water resistance but large painting amount per unit area, is easy to pollute concrete and reduces the cohesive force on the surface of the concrete. The water-based release agent emulsifies the oil-based release agent into water-based emulsion, the coating amount per unit area is small, the release performance is good, and pollution is not caused to the surface of concrete, so that the water-based release agent is widely applied in China.
Most of the release agents on the market are food oil-based raw materials, such as concrete release agent and preparation process thereof, which are filed in application No. CN92100897.X, and the release agent is produced by using vegetable oil soap, and although the release agent has the characteristics of no toxicity, strong oiliness and the like, the release agent has the problem of easy corrosion of steel dies;
the long-acting concrete release agent suitable for the steel die and the preparation method thereof are disclosed in application No. 201911095773.1, wherein the publication date is 2020, 2 and 18 days, the long-acting concrete release agent comprises vegetable oil, a film forming additive, a composite emulsifier, a stabilizer, a rust inhibitor and water, a long-chain alkyl silane coupling agent and aminopropyltriethoxysilane are used as main film forming agents to enhance the coating performance and the isolation lubricating performance of the surface of the steel die, meanwhile, silicon hydroxyl is hydrolyzed through silicon oxygen bonds in the molecular structure of the additive to react with steel active hydroxyl to form chemical bonds, a chemical adsorption film is formed on the surface of the steel, and an adhesion cavity is formed to form a firm film, so that the corrosion resistance effect is achieved.
However, cement emits a large amount of hydration heat during the hardening of concrete, and is unevenly stirred to cause a local temperature to be continuously increased, stress concentration occurs, and cracks occur when the stress exceeds the crack resistance of the concrete.
Therefore, there is a need for a concrete mold release agent that has a high thermal conductivity while also having good corrosion resistance.
Disclosure of Invention
In order to solve the problems mentioned in the above background art, the existing concrete release agent has insufficient corrosion resistance and insufficient heat conduction speed, the invention provides a concrete release agent, which comprises:
emulsified oil, the emulsified oil contains conduction oil and a co-emulsifier, and the co-emulsifier is diisobutyl dibasic acid;
the antirust agent is selected from one or a mixture of more of fatty acid, alcohol amine, sodium nitrite and sodium carbonate.
Preferably, the diisobutyl dibasic acid is at least one of diisobutyl succinate, diisobutyl glutarate or diisobutyl adipate;
preferably, the fatty acid is preferably oleic acid or the like; the alcohol amine is preferably triethanolamine or the like;
certainly, considering that the waste heat conduction oil is HW08 waste mineral oil hazardous waste in national hazardous waste list, although the waste heat conduction oil can be supplied to oil refineries and the like for combustion as fuel oil, the environmental pollution is large, and the resource waste is serious; the heat transfer oil used in the invention can be waste gas heat transfer oil.
On the basis of the scheme, the method further comprises the following steps of: 15-50 parts of heat conduction oil, 0.5-5 parts of antirust agent and 1.5-5 parts of co-emulsifier.
On the basis of the scheme, the water-based paint further comprises an emulsifier, a thickening agent, an antifoaming agent, a preservative and water.
On the basis of the scheme, the paint further comprises the following components in parts by weight: 3-10 parts of emulsifier, 0.1-3 parts of thickener, 0.1-2 parts of defoamer, 0.1-2 parts of preservative and 50-85 parts of water.
On the basis of the scheme, the emulsifier is at least one of sorbitan monostearate, polyoxyethylene sorbitan trioleate or polyoxyethylene sorbitan tristearate.
On the basis of the scheme, the thickening agent is attapulgite.
On the basis of the scheme, the defoaming agent is a polyether defoaming agent.
On the basis of the scheme, further, the preservative is one of phenol, pentachlorophenol or sodium benzoate.
The invention provides a preparation method of a concrete release agent, which comprises the following steps:
a) obtaining emulsified oil, wherein the emulsified oil is obtained by mixing and stirring emulsified heat conduction oil and a co-emulsifier, and the co-emulsifier is diisobutyl dibasic acid;
b) preparing the emulsified oil into a mold release agent, and adding an auxiliary agent into the emulsified oil, wherein the auxiliary agent comprises an antirust agent, and the antirust agent is selected from one or a mixture of more of fatty acid, alcohol amine, sodium nitrite and sodium carbonate.
The invention also provides a preferable preparation method, which comprises the following specific steps:
the method comprises the following steps: mixing water, sorbitan monostearate, polyoxyethylene sorbitan trioleate, polyoxyethylene sorbitan tristearate and waste heat conduction oil according to the proportion, and stirring for 30min under the condition of 2800r/min to obtain pre-emulsified oil;
step two: adding diisobutyl diacid in a certain proportion into the pre-emulsified oil obtained in the step one, and stirring for 30min under the condition of 2800r/min to obtain completely emulsified oil;
step three: and D, adding an antirust agent, a thickening agent, a defoaming agent and a preservative into the completely emulsified oil obtained in the step two, and uniformly stirring to obtain the concrete release agent.
On the basis of the scheme, the preparation method of the antirust agent comprises the following steps:
adding alcohol amine into molten fatty acid, fully stirring and reacting at 50-60 ℃, cooling, and adding sodium nitrite and sodium carbonate to obtain the antirust agent.
The present invention provides a concrete mold release agent prepared by the above preparation method.
Compared with the prior art, the concrete release agent and the preparation method thereof provided by the invention have the following technical principles and beneficial effects:
1) the heat conduction oil is adopted as a main film forming substance, so that the heat conduction oil has the advantages of excellent heat conduction and thermal cracking resistance, capability of quickly conducting local heat of concrete, improvement of resilience strength and avoidance of surface temperature cracks formed in the concrete forming process;
2) the components adopt a combination mode of a composite antirust agent and heat conduction oil, so that the anti-corrosion agent has excellent anti-oxidation stability, and the anti-corrosion property of the template is effectively improved, so that the mold is prevented from being corroded.
3) The auxiliary emulsifier can improve the film forming mechanism of the emulsion, help film formation, volatilize after film formation, can not influence the characteristic of the release agent, can effectively shorten the drying film forming time of the release agent.
4) The concrete release agent has good release performance, and can effectively reduce the apparent quality problems of concrete surface cavities, air bubbles and the like.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will clearly and completely describe the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention also provides the following examples and comparative examples:
TABLE 1 table of the amounts of the components in the examples and comparative examples
According to the compounding ratios of the preparation components of the respective examples and comparative examples shown in table 1, the preparation methods of the respective examples and comparative examples shown below are also provided:
example 1
The method comprises the following specific steps in parts by weight:
(1) adding 25 parts of waste heat conduction oil, 60 parts of water, 2 parts of sorbitan monostearate, 1 part of polyoxyethylene sorbitan trioleate and 3 parts of polyoxyethylene sorbitan tristearate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the pre-emulsified oil.
(2) Adding 1 part of diisobutyl succinate, 1 part of diisobutyl glutarate and 1 part of diisobutyl adipate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the completely emulsified oil.
(3) Adding 1 part of oleic acid into a reaction vessel, heating to be molten, slowly adding 1 part of triethanolamine, reacting for 4 hours at 55 ℃ at 100r/min, cooling, and adding 1 part of sodium nitrite and 1 part of sodium carbonate to prepare the antirust agent.
(4) And adding 3 parts of antirust agent, 2 parts of thickening agent, 1 part of defoaming agent and 1 part of preservative into the reaction kettle, and uniformly stirring to obtain the concrete release agent.
Example 2
The method comprises the following specific steps in parts by weight:
(1) adding 30 parts of waste heat conduction oil, 68 parts of water, 2 parts of sorbitan monostearate, 2 parts of polyoxyethylene sorbitan trioleate and 4 parts of polyoxyethylene sorbitan tristearate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the pre-emulsified oil.
(2) Adding 1 part of diisobutyl succinate, 1 part of diisobutyl glutarate and 2 parts of diisobutyl adipate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the completely emulsified oil.
(3) Adding 2 parts of oleic acid into a reaction vessel, heating to be molten, slowly adding 2 parts of triethanolamine, reacting for 4 hours at 55 ℃ at 100r/min, cooling, and adding 2 parts of sodium nitrite and 2 parts of sodium carbonate to prepare the antirust agent.
(4) And 4 parts of antirust agent, 3 parts of thickening agent, 2 parts of defoaming agent and 1 part of preservative are added into the reaction kettle and uniformly stirred to obtain the concrete release agent.
Example 3
The method comprises the following specific steps in parts by weight:
(1) adding 45 parts of waste heat conduction oil, 75 parts of water, 3 parts of sorbitan monostearate, 3 parts of polyoxyethylene sorbitan trioleate and 4 parts of polyoxyethylene sorbitan tristearate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the pre-emulsified oil.
(2) Adding 0.5 part of diisobutyl succinate, 0.5 part of diisobutyl glutarate and 1 part of diisobutyl adipate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the completely emulsified oil.
(3) Adding 2 parts of oleic acid into a reaction vessel, heating to be molten, slowly adding 2 parts of triethanolamine, reacting for 4 hours at 60 ℃ at 100r/min, cooling, and adding 2 parts of sodium nitrite and 2 parts of sodium carbonate to prepare the antirust agent.
(4) And adding 1 part of antirust agent, 1 part of thickening agent, 0.2 part of defoaming agent and 0.2 part of preservative into a reaction kettle, and uniformly stirring to obtain the concrete release agent.
Comparative example 1
The method comprises the following specific steps in parts by weight:
(1) adding 30 parts of waste heat conduction oil, 68 parts of water, 2 parts of sorbitan monostearate, 2 parts of polyoxyethylene sorbitan trioleate and 4 parts of polyoxyethylene sorbitan tristearate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the pre-emulsified oil.
(2) Adding 2 parts of oleic acid into a reaction vessel, heating to be molten, slowly adding 2 parts of triethanolamine, reacting for 4 hours at 55 ℃ at 100r/min, cooling, and adding 2 parts of sodium nitrite and 2 parts of sodium carbonate to prepare the antirust agent.
(3) And 4 parts of antirust agent, 3 parts of thickening agent, 2 parts of defoaming agent and 1 part of preservative are added into the reaction kettle and uniformly stirred to obtain the concrete release agent.
Comparative example 2
The method comprises the following specific steps in parts by weight:
(1) adding 30 parts of waste heat conduction oil, 68 parts of water, 2 parts of sorbitan monostearate, 2 parts of polyoxyethylene sorbitan trioleate and 4 parts of polyoxyethylene sorbitan tristearate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the pre-emulsified oil.
(2) Adding 1 part of diisobutyl succinate, 1 part of diisobutyl glutarate and 2 parts of diisobutyl adipate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the completely emulsified oil.
(3) Adding 4 parts of antirust agent, 3 parts of thickening agent, 2 parts of defoaming agent and 1 part of preservative into a reaction kettle, and uniformly stirring to obtain the concrete release agent.
Comparative example 3
The method comprises the following specific steps in parts by weight:
(1) adding 30 parts of vegetable oil, 68 parts of water, 2 parts of sorbitan monostearate, 2 parts of polyoxyethylene sorbitan trioleate and 4 parts of polyoxyethylene sorbitan tristearate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the pre-emulsified oil.
(2) Adding 1 part of diisobutyl succinate, 1 part of diisobutyl glutarate and 2 parts of diisobutyl adipate into a reaction kettle, and stirring for 30min under the condition of 2800r/min to obtain the completely emulsified oil.
(3) Adding 2 parts of oleic acid into a reaction vessel, heating to be molten, slowly adding 2 parts of triethanolamine, reacting for 4 hours at 60 ℃ at 100r/min, cooling, and adding 2 parts of sodium nitrite and 2 parts of sodium carbonate to prepare the antirust agent.
(4) And 4 parts of antirust agent, 3 parts of thickening agent, 2 parts of defoaming agent and 1 part of preservative are added into the reaction kettle and uniformly stirred to obtain the concrete release agent.
Comparative example 4
A commercially available concrete mold release agent model LW-201 was used.
It should be noted that the specific parameters or some common reagents in the above embodiments are specific examples or preferred embodiments of the present invention, and are not limited thereto; those skilled in the art can adapt the same within the spirit and scope of the present invention.
The concrete release agents prepared in the above examples 1-3 and comparative examples 1-3 and the concrete release agent provided in the comparative example 4 of the present invention were tested for release performance and drying film forming time according to JC/T949-.
TABLE 2 Performance test Table for examples and comparative examples
As can be seen from Table 2, the concrete mold release agent provided by the invention has excellent mold release performance, obviously shortens the drying and film forming time, improves the rebound strength of concrete and obviously increases the antirust performance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A concrete release agent, characterized in that the concrete release agent comprises:
emulsified oil, the emulsified oil contains conduction oil and a co-emulsifier, and the co-emulsifier is diisobutyl dibasic acid;
the preparation method of the antirust agent comprises the following steps:
adding alcohol amine into molten fatty acid, fully stirring and reacting at 50-60 ℃, cooling, and adding sodium nitrite and sodium carbonate to obtain an antirust agent;
the preparation method of the concrete release agent comprises the following steps:
a) obtaining emulsified oil, wherein the emulsified oil is obtained by mixing and stirring emulsified heat conduction oil and a co-emulsifier, and the co-emulsifier is diisobutyl dibasic acid;
b) preparing the emulsified oil into a release agent, and adding an auxiliary agent into the emulsified oil, wherein the auxiliary agent comprises an antirust agent.
2. The concrete release agent as claimed in claim 1, characterized by comprising, in parts by weight: 15-50 parts of heat conduction oil, 0.5-5 parts of antirust agent and 1.5-5 parts of co-emulsifier.
3. The concrete release agent as claimed in claim 1, further comprising an emulsifier, a thickener, a defoamer, a preservative and water.
4. The concrete release agent as claimed in claim 1, further comprising the following components in parts by weight: 3-10 parts of emulsifier, 0.1-3 parts of thickener, 0.1-2 parts of defoamer, 0.1-2 parts of preservative and 50-85 parts of water.
5. The concrete mold release agent according to claim 3, wherein the emulsifier is at least one of sorbitan monostearate, polyoxyethylene sorbitan trioleate, or polyoxyethylene sorbitan tristearate.
6. The concrete release agent as claimed in claim 3, wherein the thickener is attapulgite.
7. The concrete release agent according to claim 3, wherein the defoaming agent is a polyether-based defoaming agent.
8. The concrete release agent as claimed in claim 3, wherein the preservative is one of phenol, pentachlorophenol or sodium benzoate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655779.6A CN112708497B (en) | 2020-07-09 | 2020-07-09 | Concrete release agent and preparation method thereof |
| PCT/CN2020/122116 WO2022007231A1 (en) | 2020-07-09 | 2020-10-20 | Concrete release agent and preparation method therefor |
| ZA2020/07392A ZA202007392B (en) | 2020-07-09 | 2020-11-26 | Concrete release agent and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655779.6A CN112708497B (en) | 2020-07-09 | 2020-07-09 | Concrete release agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112708497A CN112708497A (en) | 2021-04-27 |
| CN112708497B true CN112708497B (en) | 2021-11-19 |
Family
ID=75235007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010655779.6A Active CN112708497B (en) | 2020-07-09 | 2020-07-09 | Concrete release agent and preparation method thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN112708497B (en) |
| WO (1) | WO2022007231A1 (en) |
| ZA (1) | ZA202007392B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703008B (en) * | 2022-05-07 | 2023-05-12 | 东南大学 | Large-flow high-viscosity multi-effect release agent and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323879A (en) * | 2001-06-18 | 2001-11-28 | 青岛海洋大学 | Efficient metal scavenger |
| CN105296122A (en) * | 2015-11-20 | 2016-02-03 | 科之杰新材料集团有限公司 | Concrete demoulding agent and preparation method thereof |
| US20160090543A1 (en) * | 2013-05-20 | 2016-03-31 | Malaysian Palm Oil Board | Mould release lubricant |
| CN107057480A (en) * | 2017-06-20 | 2017-08-18 | 合肥博之泰电子科技有限公司 | A kind of solar street light protective paint and preparation method thereof |
| CN108822945A (en) * | 2018-08-02 | 2018-11-16 | 株洲加美乐素建材有限公司 | A kind of clear-water concrete demoulding paint and preparation method thereof |
| CN111154538A (en) * | 2018-11-08 | 2020-05-15 | 晟通科技集团有限公司 | Aqueous release agent based on industrial waste oil |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53146718A (en) * | 1977-05-27 | 1978-12-20 | Nippon Mining Co | Release agent for concrete |
| JPS6438207A (en) * | 1987-08-03 | 1989-02-08 | Nippon Mining Co | Concrete release agent |
| CN103103011B (en) * | 2013-01-24 | 2014-10-29 | 江苏苏博特新材料股份有限公司 | Special release agent for concrete and preparation method thereof |
| CN104152220A (en) * | 2014-07-30 | 2014-11-19 | 青岛启源振东电气有限公司 | Emulsified anti-rust agent |
| CN105237942B (en) * | 2015-10-12 | 2019-01-29 | 神华集团有限责任公司 | A kind of reinforced polyformaldehyde composite material and preparation method |
| CN106753724A (en) * | 2016-11-29 | 2017-05-31 | 长沙加美乐素化工有限公司 | One kind emulsification oils releasing agent and preparation method thereof |
| CN109897722A (en) * | 2019-04-15 | 2019-06-18 | 李登太 | A kind of aqueous concrete parting agent of oily and preparation method thereof |
-
2020
- 2020-07-09 CN CN202010655779.6A patent/CN112708497B/en active Active
- 2020-10-20 WO PCT/CN2020/122116 patent/WO2022007231A1/en active Application Filing
- 2020-11-26 ZA ZA2020/07392A patent/ZA202007392B/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323879A (en) * | 2001-06-18 | 2001-11-28 | 青岛海洋大学 | Efficient metal scavenger |
| US20160090543A1 (en) * | 2013-05-20 | 2016-03-31 | Malaysian Palm Oil Board | Mould release lubricant |
| CN105296122A (en) * | 2015-11-20 | 2016-02-03 | 科之杰新材料集团有限公司 | Concrete demoulding agent and preparation method thereof |
| CN107057480A (en) * | 2017-06-20 | 2017-08-18 | 合肥博之泰电子科技有限公司 | A kind of solar street light protective paint and preparation method thereof |
| CN108822945A (en) * | 2018-08-02 | 2018-11-16 | 株洲加美乐素建材有限公司 | A kind of clear-water concrete demoulding paint and preparation method thereof |
| CN111154538A (en) * | 2018-11-08 | 2020-05-15 | 晟通科技集团有限公司 | Aqueous release agent based on industrial waste oil |
Non-Patent Citations (1)
| Title |
|---|
| 一种水性混凝土脱模剂的研制;陈小路;《新型建筑材料》;20170731(第07期);第24-26页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112708497A (en) | 2021-04-27 |
| WO2022007231A1 (en) | 2022-01-13 |
| ZA202007392B (en) | 2021-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110358015B (en) | Self-lubricating hydrophobic silicone-acrylic emulsion and preparation method and application thereof | |
| CN112708497B (en) | Concrete release agent and preparation method thereof | |
| CN110564488A (en) | Environment-friendly concrete water-based release agent and preparation method thereof | |
| CN110564189A (en) | inorganic nano-coating and preparation method thereof | |
| CN105385426A (en) | Efficient composite defoaming agent for oil well cement and preparation method thereof | |
| CN112063257B (en) | Durable water-based non-cured modified asphalt waterproof coating and preparation method thereof | |
| CN108545991B (en) | Concrete additive long-chain fatty acid emulsion and preparation method thereof | |
| CN110804483A (en) | Long-acting concrete water-based release agent suitable for steel die and preparation method thereof | |
| CN105925177B (en) | A kind of aqueous organic inorganic hybridization high-temperature resistant coating and preparation method thereof | |
| CN111303729A (en) | Solvent-free anticorrosive paint and preparation method thereof | |
| CN114085701B (en) | Water-based concrete release agent and preparation method thereof | |
| CN113430036B (en) | Concrete release agent and preparation method and application thereof | |
| CN104789263A (en) | Multifunctional emulsifying wax and preparation method thereof | |
| CN112226268B (en) | Vegetable oil-based concrete release agent and preparation method thereof | |
| CN105238537A (en) | Water-based cutting fluid and preparation method therefor | |
| CN105440823A (en) | Water-soluble anticorrosive coating prepared by means of polished tile white mud waste and styrene-acrylic emulsion and preparation method thereof | |
| CN108587577A (en) | A kind of preparation method of automobile engine cooling liquid | |
| CN113072997A (en) | Micro-emulsion cutting fluid without alcohol amine, application and preparation method thereof | |
| CN112708493B (en) | Enhanced concrete release agent and preparation method thereof | |
| CN112481000B (en) | Environment-friendly release agent for refractory material and preparation and use methods thereof | |
| CN112080336B (en) | Preparation method of palm oil-based environment-friendly concrete water-based release agent | |
| CN113234518A (en) | Emulsified engine oil water-based concrete release agent and preparation method and application thereof | |
| CN111205442A (en) | Preparation method of clean type metal working fluid modified ricinoleate additive | |
| CN109762644A (en) | A kind of water-soluble environment protective cuts liquid and preparation method thereof | |
| CN110436818A (en) | A kind of tunnel concrete water-reducing agent |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |