CN106631155B - Concrete coagulant and its preparation method and application - Google Patents
Concrete coagulant and its preparation method and application Download PDFInfo
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- CN106631155B CN106631155B CN201611250275.6A CN201611250275A CN106631155B CN 106631155 B CN106631155 B CN 106631155B CN 201611250275 A CN201611250275 A CN 201611250275A CN 106631155 B CN106631155 B CN 106631155B
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Classifications
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
- C04B41/69—Metals
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5144—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal with a composition mainly composed of one or more of the metals of the iron group
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/515—Other specific metals
Abstract
A kind of concrete retarder and its preparation method and application comprising following components: slow setting main body, main solvent, emulsifier, drier and thickener；Slow setting main body is the mixture of light dydrocarbon resin and methyl abietate；Main solvent is at least one of dimethylbenzene, dichloroethylene, trichloro ethylene and ethylene glycol ethyl ether.It is rosin acid that wherein methyl abietate, which meets water decomposition, and rosin acid can promote calcium ion to exist with free state, and then extend the setting time of the concrete of alkalinity, reach retarding effect.Only its position contacted with concrete, methyl abietate is just decomposed with the reaction of moisture in concrete, furthermore light dydrocarbon resin and methyl abietate are mixed, so that carrier of the light dydrocarbon resin as methyl abietate, and then uniformity of the methyl abietate in concrete retarder is improved simultaneously in the mobility for reducing methyl abietate, and then concrete retarder can be made to form dew aggregate surface for concrete specific position extension setting time or concrete.
Description
Technical field
The present invention relates to retarder technical fields, more particularly to a kind of concrete retarder and preparation method thereof and answer
With.
Background technique
Concrete retarder be it is a kind of can postpone hydrated reaction of cement, to extend the additional of the setting time of concrete
Agent.Concrete retarder can make the concrete newly stirred keep plasticity in a long time and then conveniently pour and improve construction effect
Rate, or may act on the surface of concrete convenient for forming dew aggregate concrete.
Concrete retarder can be divided into inorganic retarder and organic retarder two major classes by its chemical component at present.However its
When the specific position for concrete extends setting time or concrete forms dew aggregate surface, retarder is readily permeable to week
Side or the inside of concrete, and then the dew aggregate concrete for causing the setting time on periphery also to extend or formed is ineffective
Problem.
Summary of the invention
Based on this, it is necessary to provide one kind and be formed undisguisedly suitable for concrete specific position extension setting time or concrete
Expect the concrete retarder and its preparation method and application on surface.
A kind of concrete retarder, including following components: slow setting main body, main solvent, emulsifier, drier and thickener；
The slow setting main body is the mixture of light dydrocarbon resin and methyl abietate；The main solvent is dimethylbenzene, dichloroethylene, three chloroethenes
At least one of alkene and ethylene glycol ethyl ether.
Main solvent is added using the mixture of light dydrocarbon resin and methyl abietate as slow setting main body in above-mentioned concrete retarder
So that concrete retarder is liquid-phase system, uniformity when guaranteeing that concrete retarder is coated in concrete surface is added
Emulsifier enables slow setting main body to be substantially soluble in main solvent, and then obtains homogeneous concrete retarder.Drier and increasing is added
Thick dose, to reduce the mobility of concrete retarder, and then is realized that concrete retarder makees the slow setting of concrete specific position
With.It is rosin acid that methyl abietate, which meets water decomposition, and rosin acid can promote calcium ion to exist with free state, and then extends alkalinity
The setting time of concrete, reach retarding effect.Secondly the slow setting main body is neutrality, and there is no acid or alkaline reagents for preparation
The problem of corroding equipment.And only in the position that concrete retarder is contacted with concrete, methyl abietate is just and in concrete
Reaction of moisture decompose, furthermore under room temperature light dydrocarbon resin be solid powder, methyl abietate is liquid, by light dydrocarbon resin
It is mixed with methyl abietate, so that carrier of the light dydrocarbon resin as methyl abietate, and then in the flowing for reducing methyl abietate
Property improve uniformity of the methyl abietate in concrete retarder simultaneously, and then concrete retarder can be made for concrete
Specific position extends setting time or concrete forms dew aggregate surface.
The concrete retarder further includes cosolvent in one of the embodiments, the cosolvent be glycerine and
At least one of cyclohexanone.
In one of the embodiments, in the concrete retarder according to parts by weight, slow setting main body is 20~35
Part, main solvent is 40~60 parts, and emulsifier is 1~5 part, and drier is 0.1~0.5 part, and thickener is 5~10 parts, cosolvent
It is 0.7~10 part.
In one of the embodiments, according to parts by weight, the concrete retarder further includes 0.4~1 part of levelling
Agent, the levelling agent are cellulose ether.
In one of the embodiments, according to parts by weight, the concrete retarder further includes filling out no more than 15 parts
Material, the filler are at least one of quartz sand, talcum powder and dicalcium powder.
The emulsifier is in alkyl phenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether in one of the embodiments,
It is at least one.
The drier is at least one of cobalt drier and manganese drier in one of the embodiments,.
The preparation method of concrete retarder, comprising the following steps:
The slow setting main body, the main solvent and the emulsifier are uniformly mixed, then with the drier and the increasing
Thick dose is uniformly mixed, and obtains the concrete retarder.
Above-mentioned concrete retarder forms the application in figure in concrete surface.
Above-mentioned concrete retarder is applied to concrete surface and forms figure, and concrete retarder is good to specific position
The figure of deferred action, formation is accurate, high-efficient.
In one of the embodiments, the following steps are included: the concrete retarder is coated on bed die, then by figure
Layer template is formed on the bed die coated with the concrete retarder and makes bed die exposed portion surface；
Concrete layer is formed on the bed die for being formed with the graph layer template, removes the bed die and the figure
Layer template；
The surface of the concrete layer is washed to form dew aggregate surface, the surface of the concrete layer with it is described
The corresponding position of graph layer template is formed by curing figure.
Detailed description of the invention
Fig. 1 is the flow chart of the preparation method of the concrete retarder of an embodiment；
Fig. 2 is that the concrete retarder of an embodiment forms the flow chart of the application in figure in concrete surface.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
The concrete retarder of one embodiment of the invention, including following components: slow setting main body, main solvent, emulsifier, urge it is dry
Agent and thickener.
Wherein slow setting main body is the mixture of light dydrocarbon resin (i.e. C5 resin) and methyl abietate.Preferably, light dydrocarbon resin
Mass ratio with methyl abietate is 5~20:1.
It is rosin acid that methyl abietate, which meets water decomposition, and rosin acid can promote calcium ion to exist with free state, and then is extended
The setting time of the concrete of alkalinity, reach retarding effect.Secondly the slow setting main body is neutrality, and there is no acidity by preparation process
Or the problem of alkaline reagent corrosion equipment.And only in the position that concrete retarder is contacted with concrete, methyl abietate is
It decomposes with the reaction of moisture in concrete, furthermore light dydrocarbon resin is solid powder under room temperature, and methyl abietate is liquid,
Light dydrocarbon resin and methyl abietate are mixed, so that carrier of the light dydrocarbon resin as methyl abietate, and then reducing rosin acid
The mobility of methyl esters improves uniformity of the methyl abietate in concrete retarder simultaneously, and then can make concrete retarder
Extend setting time for concrete specific position or concrete forms dew aggregate surface.
Wherein main solvent is at least one of dimethylbenzene, dichloroethylene, trichloro ethylene and ethylene glycol ethyl ether.It is molten that master is added
Agent makes concrete retarder be liquid-phase system, uniformity when guaranteeing that concrete retarder is coated in concrete surface.It is main
Solvent is nonaqueous solvents, meets water to avoid slow setting main body and decomposes in advance.
The effect of emulsifier is the concrete retarding for enabling slow setting main body to be substantially soluble in main solvent, and then obtaining homogeneous
Agent.Preferably, emulsifier is at least one of alkyl phenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether.Specifically, fatty
The chemical formula of alcohol polyoxyethylene ether is R-O- (CH2CH2O)nH (R=C12~18, n=15~16).
Drier, which is added, can accelerate the volatilization of solvent in liquid-phase system, energy quick-hardening after coating concrete retarder,
When to avoid the specific position to concrete from extending setting time or concrete formation dew aggregate surface, concrete retarder holds
Easily penetrate into the effect for revealing aggregate concrete that the inside of periphery or concrete causes the setting time on periphery also to extend or formed
Bad problem, while the combination speed of water in slow setting main body and concrete is also improved, realize the slow setting to specific position
Effect.Preferably, drier is at least one of cobalt drier and manganese drier.
It is the viscosity in order to adjust concrete retarder that thickener, which is added, reduces the mobility of concrete retarder, in turn
Realize the deferred action to concrete specific position.Preferably, thickener is fumed silica.Fumed silica has grain
Spend the advantages that small, safe and non-toxic and chemical property is stablized.In addition, addition fumed silica can also carry out surface to organic pigment
Modification can not only improve fast light pigment, heat-resisting, solvent resistant and anti-aging property, and brightness, tone and saturation degree are also equal
There is a degree of raising.
Concrete retarder further includes cosolvent in one of the embodiments,.The cosolvent is glycerine and hexamethylene
At least one of ketone.The cosolvent can increase solubility of the slow setting main body in main solvent, and it is slow to further increase concrete
The uniformity of solidifying agent.
Preferably, in one of the embodiments, in concrete retarder according to parts by weight, slow setting main body be 20~
30 parts, main solvent is 40~60 parts, and emulsifier is 1~5 part, and drier is 0.1~0.5 part, and thickener is 5~10 parts, hydrotropy
Agent is 0.7~10 part.It is furthermore preferred that in concrete retarder according to parts by weight, slow setting main body is 25~30 parts, main solvent
It is 50~60 parts, emulsifier is 1~4 part, and drier is 0.1~0.3 part, and thickener is 5~9 parts, and cosolvent is 2~9 parts.
In one of the embodiments, according to parts by weight, concrete retarder further includes 0.4~1 part of levelling agent, stream
Flat agent is cellulose ether.Levelling agent can improve the levelability and uniformity of concrete retarder, can also improve concrete retarder
Permeability, further increase concrete retarder to the retarding effect of concrete specific position.It is furthermore preferred that levelling agent is hydroxyl
Methyl cellulose ether.
In one of the embodiments, according to parts by weight, concrete retarder further includes the filler no more than 15 parts.It fills out
Material is filled between each component, is conducive to the dispersion of component, improves the specific surface area of slow setting main body, and then improve concrete retarding
The retarding effect of agent.
Preferably, filler is at least one of quartz sand, talcum powder and dicalcium powder (i.e. powdered whiting).More preferably
, quartz sand is 325 mesh quartz sands, and talcum powder is 800 mesh talcum powder, and dicalcium powder is 1250 mesh dicalcium powders.Wherein with 325 mesh stones
For sand, the quartz sand of 325 mesh meshes can be passed through for partial size.It is furthermore preferred that when filler is quartz sand and two kinds of talcum powder, stone
The mass ratio of sand and talcum powder is 1:1.
In one of the embodiments, according to parts by weight, concrete retarder further includes 1~4 part of pigment.Face is added
Material can mix colours to concrete to the color of adjustable concrete retarder.It is appreciated that pigment can be organic pigment
Or inorganic pigment.Preferably, pigment is inorganic pigment, such as iron oxide red, lead chromate yellow.
Main solvent is added using the mixture of light dydrocarbon resin and methyl abietate as slow setting main body in above-mentioned concrete retarder
So that concrete retarder is liquid-phase system, uniformity when guaranteeing that concrete retarder is coated in concrete surface is added
Emulsifier enables slow setting main body to be substantially soluble in main solvent, and then obtains homogeneous concrete retarder.Drier and increasing is added
Thick dose, to reduce the mobility of concrete retarder, and then is realized that concrete retarder makees the slow setting of concrete specific position
With.It is rosin acid that methyl abietate, which meets water decomposition, and rosin acid can promote calcium ion to exist with free state, and then extends alkalinity
The setting time of concrete, reach retarding effect.Secondly the slow setting main body is neutrality, and there is no acid or alkaline reagents for preparation
The problem of corroding equipment.And only in the position that concrete retarder is contacted with concrete, methyl abietate is just and in concrete
Reaction of moisture decompose, furthermore under room temperature light dydrocarbon resin be solid powder, methyl abietate is liquid, by light dydrocarbon resin
It is mixed with methyl abietate, so that carrier of the light dydrocarbon resin as methyl abietate, and then in the flowing for reducing methyl abietate
Property improve uniformity of the methyl abietate in concrete retarder simultaneously, and then concrete retarder can be made for concrete
Specific position extends setting time or concrete forms dew aggregate surface.
Above-mentioned concrete retarder needs slow setting in use, the modes such as spraying or artificial coating is directly used to be coated on
Concrete on, the slow setting to concrete specific position can be realized.It is appreciated that the concrete retarder can also be with concrete
Directly it is used in mixed way.
Referring to Fig. 1, the preparation method includes following the present invention also provides the preparation method of above-mentioned concrete retarder
Step.
Step S11: light dydrocarbon resin and methyl abietate are uniformly mixed, and obtain slow setting main body.
Step S12: slow setting main body, main solvent and emulsifier being uniformly mixed, then are uniformly mixed with drier and thickener,
Obtain concrete retarder.
In one of the embodiments, concrete retarder further include cosolvent and/or levelling agent and/or filler and/or
When pigment, slow setting main body, main solvent and emulsifier after mixing, by cosolvent and/or levelling agent and/or filler and/or
Pigment, which is added, to be uniformly mixed.
Preferably, mixing is all made of mechanical stirring in step S11 and step S12, and the speed of stirring is 800~1000r/
min.Preferably, the time mixed slow setting main body, main solvent and emulsifier in step S12 is 10min.Preferably, with urge it is dry
Agent and thickener are uniformly mixed to not stratified.
It is appreciated that in other embodiments, step S11 can be omitted, directly carries out step S12 and obtain concrete retarding
Agent.
The preparation method of above-mentioned concrete retarder, simple process, preparation condition are easy to control, obtained concrete retarding
Agent favorable reproducibility.And the problem of slow setting main body is neutrality, and preparation process corrodes equipment there is no acid or alkaline reagent.
The application in figure is formed in concrete surface referring to Fig. 2, the present invention also provides above-mentioned concrete retarders.
Above-mentioned concrete retarder forms the application in figure in concrete surface in one of the embodiments, including
Following steps.
Step S21: concrete retarder is coated on bed die, then graph layer template is formed in coated with concrete retarding
On the bed die of agent and make bed die exposed portion surface.
Such graph layer template separates concrete retarder and concrete layer, so that the surface of concrete layer and figure
The corresponding position of shape layer template cannot be acted on concrete retarder, so that the surface of concrete layer and graph layer template pair
The position answered is formed by curing concrete.
Preferably, graph layer template includes text template, pattern template etc..Preferably, graph layer template can be multiple.
Preferably, graph layer template is formed in coated with concrete retarding in step S21 in one of the embodiments,
Step on the bed die of agent specifically: be bonded in the transfer membrane for being equipped with graph layer template coated with concrete with graph layer template
On the bed die of retarder, transfer membrane is removed.It is appreciated that forming graph layer template using transfer membrane, the figure of formation is quasi-
Really, high-efficient, it is very suitable for forming the discontinuous figure such as Chinese text, avoids and manually adjust position inaccuracy and low efficiency
The problem of.
Specifically, graph layer template is by being bonded in transfer membrane.Preferably, the gluing between graph layer template and transfer membrane
Intensity is less than the adhesive strength between graph layer template and bed die, removes graph layer template together when transfer membrane to avoid removing
It goes, leads to the problem of reducing efficiency.
Step S22: forming concrete layer on the bed die for being formed with graph layer template, removes bed die and graph layer template.
Specifically, forming concrete in step S22 uses pouring molding.
The concrete layer not position with graph layer template contacts, directly acts on concrete retarder, thus to concrete
The part of the surface of layer plays the role of slow setting, and then dew aggregate surface can be formed by washing.The dew aggregate surface of the part
With the surface of concrete layer, position corresponding with graph layer template is formed by curing concrete surface, constitutes striking contrast, into
And constitute figure identical with graph layer shape of template.
Step S23: the surface of concrete layer is washed to form dew aggregate surface, the surface of concrete layer and figure
The corresponding position of layer template forms figure.
Specifically, washing is rinsed using giant in step S23.
Above-mentioned concrete retarder is applied to concrete surface and forms figure, and concrete retarder is good to specific position
The figure of deferred action, formation is accurate, high-efficient.
Above-mentioned concrete retarder forms the application method in figure in concrete surface, and the figure of formation is accurate, efficiency
Height is very suitable for forming the discontinuous figure such as Chinese text, avoids the problem of manually adjusting position inaccuracy and low efficiency.
The following are specific embodiments.
Embodiment 1
Concrete retarder according to parts by weight, including following components: 27.5 parts of slow setting main bodys, 50 parts of main solvents, 3 parts of creams
Agent, 0.3 part of drier, 8 parts of thickeners, 0.7 part of cosolvent, 0.5 part of levelling agent, 8 parts of fillers and 2 parts of pigment.Slow setting main body
The mass ratio of middle light dydrocarbon resin and rosin methyl ester is 10:1, and main solvent is dimethylbenzene, and emulsifier provides for Xingtai blue star auxiliary reagent factory
OP-109 (alkyl phenol polyoxyethylene ether), drier is cobalt drier, and thickener is fumed silica, and cosolvent is hexamethylene
Ketone, levelling agent are hydroxymethyl cellulose ether (molecular weight is about 40,000), and filler is the 325 mesh quartz sands and 800 that mass ratio is 1:1
Mesh talcum powder, pigment are iron oxide red.
The preparation method of concrete retarder obtains the following steps are included: light dydrocarbon resin and methyl abietate are uniformly mixed
To slow setting main body.By slow setting main body, main solvent and emulsifier using stirred tank stirred under the revolving speed of 900r/min 10 minutes with
It is uniformly mixed, continues to be added with stirring cosolvent, levelling agent, filler, pigment, drier and thickener and be uniformly mixed, it is not stratified,
Obtain concrete retarder.
Embodiment 2
Concrete retarder according to parts by weight, including following components: 30.5 parts of slow setting main bodys, 60 parts of main solvents, 1 part of cream
Agent, 0.1 part of drier, 5 parts of thickeners, 2 parts of cosolvents, 0.4 part of levelling agent and 1 part of pigment.Light dydrocarbon resin in slow setting main body
Mass ratio with rosin methyl ester is 20:1, and main solvent is ethylene glycol ethyl ether, and emulsifier is the AEO-9 (fatty alcohol that BASF provides
Polyoxyethylene ether), drier is cobalt drier, and thickener is fumed silica, and cosolvent is cyclohexanone, levelling agent Yi Lai
The M30 cellulose ether (molecular weight is about 40,000) that Thailand provides, pigment are organic indigo plant.The preparation method and 1 class of embodiment of embodiment 2
Seemingly, this will not be detailed here.
Embodiment 3
Concrete retarder according to parts by weight, including following components: 27.5 parts of slow setting main bodys, 40 parts of main solvents, 4 parts of creams
Agent, 0.2 part of drier, 9 parts of thickeners, 9 parts of cosolvents, 0.5 part of levelling agent and 9.8 parts of fillers.Light dydrocarbon tree in slow setting main body
The mass ratio of rouge and rosin methyl ester is 5:1, and main solvent is dichloroethylene, and emulsifier is the OP- that blue star auxiliary reagent factory in Xingtai provides
109, drier is manganese drier, and thickener is fumed silica, and cosolvent is glycerine, and levelling agent is what Yi Laitai was provided
M30 cellulose ether (molecular weight is about 40,000) is filled out as 1250 mesh dicalcium powders.The preparation method of embodiment 3 is similar to Example 1,
This is no longer described in detail.
Embodiment 4
Concrete retarder according to parts by weight, including following components: 20 parts of slow setting main bodys, 40 parts of main solvents, 2 parts of emulsifications
Agent, 0.5 part of drier, 6 parts of thickeners, 10 parts of cosolvents, 1 part of levelling agent, 15 parts of fillers and 4 parts of pigment.Carbon in slow setting main body
The mass ratio of five resins and rosin methyl ester is 10:1, and main solvent is trichloro ethylene, and emulsifier is what blue star auxiliary reagent factory in Xingtai provided
OP-109 (alkyl phenol polyoxyethylene ether), drier are cobalt drier, and thickener is fumed silica, and cosolvent is volume ratio
The cyclohexanone and glycerine of 1:1, levelling agent are hydroxymethyl cellulose ether (molecular weight is about 40,000), and filler is that mass ratio is 1:1's
325 mesh quartz sands and 800 mesh talcum powder, pigment are iron oxide red.The preparation method of embodiment 4 is similar to Example 1, herein no longer in detail
It states.
Embodiment 5
Concrete retarder according to parts by weight, including following components: 35 parts of slow setting main bodys, 50 parts of main solvents, 5 parts of emulsifications
Agent, 0.2 part of drier and 10 parts of thickeners.The mass ratio of light dydrocarbon resin and rosin methyl ester is 15:1, main solvent in slow setting main body
For the dichloroethylene and trichloro ethylene of volume ratio 1:1, emulsifier is OP-109 (the alkyl phenol polyoxy that blue star auxiliary reagent factory in Xingtai provides
Vinethene), drier is cobalt drier, and thickener is fumed silica, and cosolvent is glycerine, and levelling agent is that methylol is fine
Plain ether (molecular weight is about 40,000) is tieed up, filler is the 325 mesh quartz sands and 800 mesh talcum powder that mass ratio is 1:1.The system of embodiment 5
Preparation Method is similar to Example 1, and this will not be detailed here.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of concrete retarder, which is characterized in that including following components: slow setting main body, main solvent, emulsifier, drier
And thickener；The slow setting main body is the mixture of light dydrocarbon resin and methyl abietate；The main solvent is dimethylbenzene, two chloroethenes
At least one of alkene, trichloro ethylene and ethylene glycol ethyl ether；In the concrete retarder according to parts by weight, the slow setting
Main body is 20~30 parts, and the main solvent is 40~60 parts, and the emulsifier is 1~5 part, and the drier is 0.1~0.5
Part, the thickener is 5~10 parts.
2. concrete retarder according to claim 1, which is characterized in that the concrete retarder further includes hydrotropy
Agent, the cosolvent are at least one of glycerine and cyclohexanone.
3. concrete retarder according to claim 2, which is characterized in that in the concrete retarder by weight
Number meter, slow setting main body are 20~35 parts, and main solvent is 40~60 parts, and emulsifier is 1~5 part, and drier is 0.1~0.5 part, are increased
Thick dose is 5~10 parts, and cosolvent is 0.7~10 part.
4. concrete retarder according to claim 3, which is characterized in that according to parts by weight, the concrete retarding
Agent further includes 0.4~1 part of levelling agent, and the levelling agent is cellulose ether.
5. concrete retarder according to claim 3, which is characterized in that according to parts by weight, the concrete retarding
Agent further includes the filler no more than 15 parts, and the filler is at least one of quartz sand, talcum powder and dicalcium powder.
6. described in any item concrete retarders according to claim 1~5, which is characterized in that the emulsifier is alkyl phenol
At least one of polyoxyethylene ether and fatty alcohol polyoxyethylene ether.
7. described in any item concrete retarders according to claim 1~5, which is characterized in that the drier is urged dry for cobalt
At least one of agent and manganese drier.
8. the preparation method of concrete retarder according to claim 1, which comprises the following steps:
The slow setting main body, the main solvent and the emulsifier are uniformly mixed, then with the drier and the thickener
It is uniformly mixed, obtains the concrete retarder.
9. described in any item concrete retarders form the application in figure in concrete surface according to claim 1~7.
10. concrete retarder according to claim 9 forms the application in figure in concrete surface, feature exists
In, comprising the following steps:
The concrete retarder is coated on bed die, then graph layer template is formed in coated with the concrete retarder
On the bed die and make bed die exposed portion surface；
Concrete layer is formed on the bed die for being formed with the graph layer template, removes the bed die and the graph layer mould
Plate；
The surface of the concrete layer is washed to form dew aggregate surface, the surface of the concrete layer and the figure
The corresponding position of layer template is formed by curing figure.
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| CN107128117A (en) * | 2017-06-21 | 2017-09-05 | 中民筑友科技投资有限公司 | The preparation method that a kind of band undisguisedly expects the decorative panel of pattern |
| CN108951893B (en) * | 2018-08-31 | 2020-07-03 | 南京宏亚建设集团有限公司 | Shear wall horizontal construction joint rough surface reserved forming construction process |
| CN109503091B (en) * | 2019-01-15 | 2021-07-13 | 北京市市政工程研究院 | Water-washed stone brick, preparation method thereof and water-washed stone wall |
| CN110256964B (en) * | 2019-07-12 | 2021-06-29 | 南通达海澄筑建筑科技有限公司 | Negative-direction slow-setting coating for concrete and preparation method thereof |
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