CN110436813A - A kind of concrete multifunction compound additive and preparation method thereof - Google Patents
A kind of concrete multifunction compound additive and preparation method thereof Download PDFInfo
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- CN110436813A CN110436813A CN201910626539.0A CN201910626539A CN110436813A CN 110436813 A CN110436813 A CN 110436813A CN 201910626539 A CN201910626539 A CN 201910626539A CN 110436813 A CN110436813 A CN 110436813A
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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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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses a kind of concrete multifunction compound additive and preparation method thereof, is related to the field of building materials.It is made according to composition mass fraction of following raw materials according: 10-15 parts of sodium perborate；10-15 parts of sodium fluorides；5-8 parts of sodium metavanadates；8-25 parts of Mica Mine；2-5 parts of potassium silicates；Three basic calcium phosphate of 3-7 part；3-6 parts of three water of magnesium monohydrogen phosphate；5-10 parts of potassium dihydrogen phosphites；Three second tetramine of 4-8 part, four hydrochloride；10-20 parts of calcining magnalium carbonate hydrotalcites；5-10 parts of ethylene oxide；5-10 parts of 28% ammonium hydroxide of concentration；3-5 parts of polyethyl acrylates；The chloro- 2- furfural of 2-8 parts of 5-；3-6 parts of diphenylglycollic acids；2-6 parts of organic aniline.Concrete admixture of the invention can improve the performances such as agent on crack resistance of concrete Chloride Attack, steel bar corrosion, sulfate ion erosion, anti-carbonation on the basis of not influencing concrete physical and chemical indexes.
Description
Technical field
The present invention relates to concrete material additive fields, and in particular to a kind of concrete multifunction compound additive and its
Preparation method.
Background technique
Concrete admixture is widely used, and plays key effect to the performance for improving concrete.But outside current concrete
Adding agent is mostly to improve concrete single performance.If adding a variety of concrete admixtures simultaneously, influence each other sometimes respectively
Effect plays counter productive to concrete performance, even results in engineering accident.
Currently, concrete admixture is divided into four classes by its major function: one, to improve fresh concrete rheological property
Additive；Including various water-reducing agents, air entraining agent and pumping admixture etc..Two, adjust improve concrete coagulating time, hardening capacity it is outer
Add agent；Including retarder, early strength agent and accelerator etc..Three, improve the additive of concrete durability.Including air entraining agent, waterproof
Agent and corrosion inhibitor etc..Four, improve the additive of concrete other performance.Including air-entrainment, swelling agent, colorant, antifreezing agent, prevent
Aqua and pumping admixture etc..When in use, the selection of adding method, type matches, is various outer above-mentioned four classes single performance additive
The effect of additive can be influenced by adding interaction between agent etc. all.Using not only ineffective while a variety of additives,
The cost that will cause concrete increases.
To solve the above problems, the invention proposes a kind of concrete multifunction compound additives and preparation method thereof.It should
The incorporation of additive can improve the workability of concrete, can be enhanced on the basis of not influencing Physical And Mechanical Properties of Concrete
Agent on crack resistance of concrete Chloride Attack, sulfate ion erosion, anti-carbonation and steel corrosion-resistance ability, for single performance additive
For, which can improve the multiple performance of concrete, and environmentally protective not have a negative impact.It is mixed to reach raising
Solidifying soil durability, the purpose for extending the building life period.
Summary of the invention
The invention discloses a kind of concrete multifunction compound additives and preparation method thereof, which can be improved mixed
Coagulate the ability of soil corrosion resistance of chloride ion, the erosion of sulfur resistive acid ion, anti-carbonation and steel corrosion-resistance.
To solve the above problems, a kind of concrete multifunction compound additive provided by the invention and preparation method thereof, former
Material is calculated according to the mass fraction, includes:
10-15 parts of sodium perborate；
10-15 parts of sodium fluorides；
5-8 parts of sodium metavanadates；
8-25 parts of Mica Mine；
2-5 parts of potassium silicates；
Three basic calcium phosphate of 3-7 part；
3-6 parts of three water of magnesium monohydrogen phosphate；
5-10 parts of potassium dihydrogen phosphites；
Three second tetramine of 4-8 part, four hydrochloride；
10-20 parts of calcining magnalium carbonate hydrotalcites；
5-10 parts of ethylene oxide；
5-10 parts of 28% ammonium hydroxide of mass percent concentration；
3-5 parts of polyethyl acrylates；
The chloro- 2- furfural of 2-8 parts of 5-；
3-6 parts of diphenylglycollic acids；
2-6 parts of organic aniline.
The application also provides a kind of preparation method, comprising the following steps:
1) first by the sodium perborate in raw material, sodium fluoride, sodium metavanadate, Mica Mine, calcining magnalium carbonate neatly
Stone carries out grinding in no less than 20 minutes, and fineness of grind is between 200-300 mesh.
2) sodium perborate, sodium fluoride, the sodium metavanadate after grinding are sufficiently mixed, be put into calcining kettle in 250 DEG C~
300 DEG C are kept for 15 minutes, and obtained calcined material is regrind to 200-300 mesh, then are carried out sufficiently with thin Mica Mine is ground
Mixing, obtains mixture A；
3) ethylene oxide and 28% ammonium hydroxide of concentration progress 40 DEG C~50 DEG C water-baths of low temperature in closed reaction vessel are put into add
Heat 10~15 minutes, after being cooled to room temperature according in claims 1 ratio be added polyethyl acrylate, the chloro- 2- furfural of 5-,
Diphenylglycollic acid simultaneously carries out dispersion mixing, obtains mixture B；
4) by obtained mixture A, mixture B and potassium silicate, three basic calcium phosphates, three water of magnesium monohydrogen phosphate, phosphorous acid
Potassium dihydrogen, three second tetramines, four hydrochloride, organic aniline are uniformly mixed, and the concrete admixture is obtained after drying and grinding.
Particularly, organic aniline be following three one kind or combination: the chloro- 4- phenoxybenzamine of 3-, P-nethoxyaniline,
The bromo- 6- of 2- chloro- 4- (trifluoromethyl) aniline.
Particularly, in step 3) the dispersion mixing time be 20~30 minutes, used ammonium hydroxide ammon amount should 20% with
On, especially it should be noted that when using ammonium hydroxide, should properly protect measure, prevent Ammonia toxicity.
Particularly, temperature should be controlled when dry in step 4) is kept for 24 hours at 50 DEG C~60 DEG C, and fineness of grind is 200~
300 mesh.
A kind of concrete multifunction compound additive provided by the invention and preparation method thereof, with single additive in the market
It compares, which can be improved agent on crack resistance of concrete Chloride Attack, the erosion of sulfur resistive acid ion, anti-carbonation and steel corrosion-resistance
Etc. a variety of Synthesis durabilities.
Specific embodiment:
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with embodiment of the present invention,
Technical solution in embodiment of the present invention is clearly and completely described, embodiment described in following embodiment
Only some embodiments of the invention can not also should not be used as the limitation present invention comprising all embodiments of the present invention
Case, shall fall within the protection scope of the present invention in the case where not departing from core content of the present invention.
Embodiment 1:
Step 1: preparing following raw material by mass fraction: 10 parts of sodium perborate, 10 parts of sodium fluorides, 5 parts of sodium metavanadates,
10 parts of Mica Mine, 5 parts of potassium silicates, 5 part of three basic calcium phosphate, 6 parts of three water of magnesium monohydrogen phosphate, 5 parts of potassium dihydrogen phosphites, 5 part of three second
Four hydrochloride of tetramine, 10 parts of calcining magnalium carbonate hydrotalcites, 5 parts of ethylene oxide, 5 parts of 28% ammonium hydroxide of concentration, 4 parts of polyacrylic acid
Ethyl ester, the chloro- 2- furfural of 5 parts of 5-, 5 parts of diphenylglycollic acids, the chloro- 4- phenoxybenzamine of 5 parts of 3-.
Step 2: sodium perborate, sodium fluoride, sodium metavanadate, Mica Mine, calcining magnalium carbonate hydrotalcite are carried out many
In grinding in 20 minutes, fineness of grind was in 200 mesh.
Third portion: sodium perborate, sodium fluoride, the sodium metavanadate after grinding are sufficiently mixed, and are put into 250 in calcining kettle
It DEG C is kept for 15 minutes, obtained calcined material is regrind to 200 mesh, then is sufficiently mixed with thin Mica Mine is ground, is obtained
To mixture A；
Divide step 4: ethylene oxide and ammonium hydroxide are put into closed reaction vessel and carry out low temperature (50 DEG C) heating water bath 10
Clock is added polyethyl acrylate, the chloro- 2- furfural of 5-, diphenylglycollic acid and carries out dispersion mixing, mixed after being cooled to room temperature
Expect B；
Step 5: by obtained mixture A, mixture B and potassium silicate, three basic calcium phosphates, three water of magnesium monohydrogen phosphate, Asia
Potassium dihydrogen phosphate, three second tetramines, four hydrochloride, the chloro- 4- phenoxybenzamine of 3- are uniformly mixed, and 50 DEG C of machines after drying 24 hours are ground
200 mesh are milled to, the additive is obtained.
Embodiment 2:
Step 1: preparing following raw material: 12 parts of sodium perborate, 12 parts of sodium fluorides, 6 parts of sodium metavanadates, 8 by mass fraction
Part Mica Mine, 3 parts of potassium silicates, 6 part of three basic calcium phosphate, 5 parts of three water of magnesium monohydrogen phosphate, 5 parts of potassium dihydrogen phosphites, 4 part of three second four
Four hydrochloride of amine, 15 parts of calcining magnalium carbonate hydrotalcites, 5 parts of ethylene oxide, 5 parts of 28% ammonium hydroxide of concentration, 4 parts of polyacrylic acid second
Ester, the chloro- 2- furfural of 2 parts of 5-, 3 parts of diphenylglycollic acids, 5 parts of P-nethoxyaniline.
Step 2: sodium perborate, sodium fluoride, sodium metavanadate, Mica Mine, calcining magnalium carbonate hydrotalcite are carried out many
In grinding in 20 minutes, fineness of grind was in 250 mesh.
Third portion: sodium perborate, sodium fluoride, the sodium metavanadate after grinding are sufficiently mixed, and are put into 300 in calcining kettle
It DEG C is kept for 15 minutes, obtained calcined material is regrind to 250 mesh, then is sufficiently mixed with thin Mica Mine is ground, is obtained
To mixture A；
Divide step 4: ethylene oxide and ammonium hydroxide are put into closed reaction vessel and carry out low temperature (45 DEG C) heating water bath 15
Clock is added polyethyl acrylate, the chloro- 2- furfural of 5-, diphenylglycollic acid and carries out dispersion mixing, mixed after being cooled to room temperature
Expect B；
Step 5: by obtained mixture A, mixture B and potassium silicate, three basic calcium phosphates, three water of magnesium monohydrogen phosphate, Asia
Potassium dihydrogen phosphate, three second tetramines, four hydrochloride, the chloro- 4- phenoxybenzamine of 3- are uniformly mixed, and 60 DEG C of machines after drying 24 hours are ground
250 mesh are milled to, the additive is obtained.
Embodiment 3:
Step 1: preparing following raw material: 10 parts of sodium perborate, 10 parts of sodium fluorides, 5 parts of sodium metavanadates, 9 by mass fraction
Part Mica Mine, 4 parts of potassium silicates, 5 part of three basic calcium phosphate, 5 parts of three water of magnesium monohydrogen phosphate, 5 parts of potassium dihydrogen phosphites, 4 part of three second four
Four hydrochloride of amine, 20 parts of calcining magnalium carbonate hydrotalcites, 3 parts of ethylene oxide, 3 parts of 28% ammonium hydroxide of concentration, 5 parts of polyacrylic acid second
Ester, the chloro- 2- furfural of 5 parts of 5-, 5 parts of diphenylglycollic acids, the 2 parts of bromo- 6- of 2- chloro- 4- (trifluoromethyl) aniline.
Step 2: sodium perborate, sodium fluoride, sodium metavanadate, Mica Mine, calcining magnalium carbonate hydrotalcite are carried out many
In grinding in 20 minutes, fineness of grind was in 300 mesh.
Third portion: sodium perborate, sodium fluoride, the sodium metavanadate after grinding are sufficiently mixed, and are put into 300 in calcining kettle
It DEG C is kept for 15 minutes, obtained calcined material is regrind to 300 mesh, then is sufficiently mixed with thin Mica Mine is ground, is obtained
To mixture A；
Divide step 4: ethylene oxide and ammonium hydroxide are put into closed reaction vessel and carry out low temperature (50 DEG C) heating water bath 10
Clock is added polyethyl acrylate, the chloro- 2- furfural of 5-, diphenylglycollic acid and carries out dispersion mixing, mixed after being cooled to room temperature
Expect B；
Step 5: by obtained mixture A, mixture B and potassium silicate, three basic calcium phosphates, three water of magnesium monohydrogen phosphate, Asia
Potassium dihydrogen phosphate, three second tetramines, four hydrochloride, the chloro- 4- phenoxybenzamine of 3- are uniformly mixed, and 60 DEG C of machines after drying 24 hours are ground
300 mesh are milled to, the additive is obtained.
In order to illustrate the The effect of invention, control experiment has been carried out using above three embodiments, has had detected this respectively
Dependent Concretes durability and the coagulations such as invention additive resisting chloride ion penetration, sulfate ion, steel bar corrosion and concrete carbonization
The mechanics index of physics of soil compares, and concrete mix is shown in Table 1, and admixture dosage is all cementitious material quality
5%, experimental test data is shown in Table 2.Wherein chloride-penetration resistance test and steel bar corrosion test (accelerating the corrosion that is powered), sulfur resistive
Acid ion aggressivity, anti-carbonation properties, according to " Standard for test methods of longterm performance and durability of ordinary concrete standard " (GB-
T50082-2009 it) (hereinafter referred to as " standardizes ") and determines.
Table 1C30 concrete mix (kg/m3)
2 additive of table is applied to C30 concrete Contrast on effect
Drying moistening cycle is resisting erosion of sulfate experimental data, blank group its resistance to compression when reaching 132 circulations in table 2
Intensity corrosion resistance index is lower than 75%, and other embodiments group drying moistening cycle has reached the cycle-index required in specification.Anti- carbon
Change performance to carry out according to method for normalizing, measures the 28d carbonation depth of each group test specimen, be equivalent to carbonization under natural conditions in 50 years
Depth.Diffusion coefficient is the experimental data for evaluating corrosion resistance of chloride ion, hence it is evident that it can be seen that expansion of the embodiment than blank control group
It is big to dissipate coefficient, illustrates that the additive has preferable effect for chloride-penetration resistance.
The intensity of concrete from the above data, it can be seen that the addition of the concrete admixture does not have an impact, has instead
Enhanced；Concrete slump is had little effect, largely improve agent on crack resistance of concrete Chloride Attack, sulfate radical from
The durability index such as son erosion, steel bar corrosion and concrete carbonization.
Claims (5)
1. a kind of concrete multifunction compound additive, which is characterized in that according to the mass fraction, comprising:
10-15 parts of sodium perborate；
10-15 parts of sodium fluorides；
5-8 parts of sodium metavanadates；
8-25 parts of Mica Mine；
2-5 parts of potassium silicates；
Three basic calcium phosphate of 3-7 part；
3-6 parts of three water of magnesium monohydrogen phosphate；
5-10 parts of potassium dihydrogen phosphites；
Three second tetramine of 4-8 part, four hydrochloride；
10-20 parts of calcining magnalium carbonate hydrotalcites；
5-10 parts of ethylene oxide；
5-10 parts of 28% ammonium hydroxide of mass percent concentration；
3-5 parts of polyethyl acrylates；
The chloro- 2- furfural of 2-8 parts of 5-；
3-6 parts of diphenylglycollic acids；
2-6 parts of organic aniline.
2. a kind of concrete multifunction compound additive according to claim 1, it is characterised in that: sodium perborate, fluorination
Sodium, sodium metavanadate, Mica Mine, calcining magnalium carbonate hydrotalcite fineness are between 200-300 mesh.
3. a kind of concrete multifunction compound additive according to claim 1, it is characterised in that: under organic aniline is
Three kinds of column one kind or combination: the chloro- 4- phenoxybenzamine of 3-, P-nethoxyaniline, the bromo- 6- of 2- chloro- 4- (trifluoromethyl) aniline.
4. preparing a kind of method of concrete multifunction compound additive as described in claim 1, it is characterised in that: comprising with
Lower step:
1) it is put into calcining kettle and is kept for 15 minutes after mixing sodium perborate, sodium fluoride, sodium metavanadate for 250 DEG C~300 DEG C, will
To calcined material regrind to 200-300 mesh, then be sufficiently mixed with thin Mica Mine is ground, obtain mixture A；
2) ethylene oxide and ammonium hydroxide are put into closed reaction vessel and carry out 40 DEG C~50 DEG C heating water bath 10~15 minutes, it is cooling
Polyethyl acrylate, the chloro- 2- furfural of 5-, diphenylglycollic acid are added after to room temperature and carries out dispersion mixing 20 minutes or more, obtains
Mixture B；
3) by obtained mixture A, mixture B and potassium silicate, three basic calcium phosphates, three water of magnesium monohydrogen phosphate, dihydrogen phosphite
Potassium, three second tetramines, four hydrochloride, organic aniline are uniformly mixed, and the concrete admixture is obtained after drying and grinding.
5. method according to claim 4, it is characterised in that: temperature should be controlled 50 DEG C~60 when dry in step 3)
It DEG C is kept for 24 hours or more, fineness of grind is 200~300 mesh.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102060460A (en) * | 2010-12-03 | 2011-05-18 | 上海英硕聚合物材料有限公司 | Inorganic cement capillary crystalline waterproofing agent and production process thereof |
| CN102863174A (en) * | 2012-09-08 | 2013-01-09 | 王桂明 | Cement concrete corrosion inhibitor |
| CN107324682A (en) * | 2017-06-13 | 2017-11-07 | 安徽智联管理咨询有限公司 | Crack resistence concrete additive and preparation method thereof |
| CN108249810A (en) * | 2018-01-23 | 2018-07-06 | 云南森博混凝土外加剂有限公司 | A kind of preparation method of strong concrete accelerator |
-
2019
- 2019-07-11 CN CN201910626539.0A patent/CN110436813A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060460A (en) * | 2010-12-03 | 2011-05-18 | 上海英硕聚合物材料有限公司 | Inorganic cement capillary crystalline waterproofing agent and production process thereof |
| CN102863174A (en) * | 2012-09-08 | 2013-01-09 | 王桂明 | Cement concrete corrosion inhibitor |
| CN107324682A (en) * | 2017-06-13 | 2017-11-07 | 安徽智联管理咨询有限公司 | Crack resistence concrete additive and preparation method thereof |
| CN108249810A (en) * | 2018-01-23 | 2018-07-06 | 云南森博混凝土外加剂有限公司 | A kind of preparation method of strong concrete accelerator |
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Application publication date: 20191112 |