CN110510911A - A kind of water-reducing agent and its synthetic method based on high performance concrete - Google Patents
A kind of water-reducing agent and its synthetic method based on high performance concrete Download PDFInfo
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- CN110510911A CN110510911A CN201910928281.XA CN201910928281A CN110510911A CN 110510911 A CN110510911 A CN 110510911A CN 201910928281 A CN201910928281 A CN 201910928281A CN 110510911 A CN110510911 A CN 110510911A
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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
- C04B2103/20—Retarders
- C04B2103/22—Set retarders
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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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/304—Air-entrainers
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/308—Slump-loss preventing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/601—Agents for increasing frost resistance
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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
- C04B2103/61—Corrosion inhibitors
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of water-reducing agents based on high performance concrete, it is related to water-reducing agent preparation technical field, including following component (by mass percentage): water-reducing agent mother liquor: 40-42%, hydroquinone: 6-8%, lignin: 4-6%, triethanolamine: 13-15%, sodium gluconate: 2-4%, methylpropene sodium sulfonate: 5-7%, lotion: 4-6%, isopropanol: 2.5-3.5%, defoaming agent: 0.5-1.5%, anti-cracking agent: 2-4%, surplus are water.The invention also discloses a kind of synthetic methods of water-reducing agent based on high performance concrete, the following steps are included: A: raw material preparation, B: heating mixing, C: mixing charging and D: finished product preparation, water-reducing agent of the invention can obviously improve the workability and durability of concrete, water-reducing agent and most cement is set to have good adaptability simultaneously, water-reducing agent provided by the invention, component is simple, each ingredient synergistic effect, the effect for reducing agent is not only acted as, also there is antifreeze, waterproof, bleed, slow setting, antirust and other effects.
Description
Technical field
The present invention relates to water-reducing agent preparation technical field, in particular to a kind of water-reducing agent based on high performance concrete and
Its synthetic method.
Background technique
The main component of cement water reducing agent is surfactant, and concrete mix and stir and use process in be added
Water-reducing agent is mainly that it makes concrete during use in identical water consumption and the plastication to fresh concrete
Basis on can effectively enhance the physical properties such as mobility, workability, intensity, the durability of concrete.And in recent years
Since, very large space is occupied for the usage amount of water-reducing agent, and the performance of water-reducing agent is referred on the basis of high usage amount
There has also been tightened up requirements for mark.High efficiency water reducing agent, latent high efficiency water reducing agent, early-strength water-reducing agent, air-entraining water-reducing agent etc.
Multi-functional water-reducing agent is more and more widely paid close attention to.
But traditional water-reducing agent there are water-reducing rates it is not high, fresh concrete loss of slump is too fast the problems such as, it is difficult to
Meet the increasingly sophisticated and enlarged construction requirement of Practical Project, the adaptability of joint product and cement is also unstable, even
Influence the condensation hardening and endurance quality of concrete.Therefore, invent a kind of water-reducing agent based on high performance concrete and its
Synthetic method is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of underwater operation servo motor with high compressive strength, it is above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of water-reducing agent based on high performance concrete,
Including following component (by mass percentage): water-reducing agent mother liquor: 40-42%, hydroquinone: 6-8%, lignin: 4-6%, three
Ethanol amine: 13-15%, sodium gluconate: 2-4%, methylpropene sodium sulfonate: 5-7%, lotion: 4-6%, isopropanol: 2.5-
3.5%, defoaming agent: 0.5-1.5%, anti-cracking agent: 2-4%, surplus are water.
Optionally, the water-reducing agent mother liquor is mixed by HPEG water reducing type monomer with deionized water.
Optionally, the defoaming agent is any one in nonionic polyether defoaming agent and organic silicon defoamer or two kinds
Mixture.
Optionally, the anti-cracking agent is 0.5 according to mass ratio by methacrylic acid, hydrogen peroxide, vitamin, maltodextrin:
0.3:1:0.2 composition.
Optionally, including following component (by mass percentage): water-reducing agent mother liquor: 40%, hydroquinone: 8%, wooden
Element: 4%, triethanolamine: 15%, hydroquinone: 2%, methylpropene sodium sulfonate: 7%, lotion: 4%, isopropanol: 3.5%,
Defoaming agent: 0.5%, anti-cracking agent: 4%, surplus is water.
Optionally, including following component (by mass percentage): water-reducing agent mother liquor: 41%, hydroquinone: 7%, wooden
Element: 5%, triethanolamine: 14%, hydroquinone: 3%, methylpropene sodium sulfonate: 6%, lotion: 5%, isopropanol: 3%, disappear
Infusion: 1%, anti-cracking agent: 3%, surplus is water.
Optionally, including following component (by mass percentage): water-reducing agent mother liquor: 2%, hydroquinone: 6%, wooden
Element: 6%, triethanolamine: 13%, hydroquinone: 4%, methylpropene sodium sulfonate: 5%, lotion: 6%, isopropanol: 2.5%, disappear
Infusion: 1.5%, anti-cracking agent: 2%, surplus is water.
A kind of synthetic method of the water-reducing agent based on high performance concrete, includes the next steps:
A: raw material preparation: above-mentioned raw materials are carried out weighing preparation by specific proportion, and are sealed at normal temperature；
B: heating mixing: equipped with blender, thermometer reaction kettle in be separately added into corrresponding quality water-reducing agent mother liquor,
Hydroquinone, triethanolamine, sodium gluconate and methylpropene sodium sulfonate, add water and stir 15-20 minutes at 60-70 DEG C, directly
It is completely dissolved to hydroquinone, triethanolamine, sodium gluconate and methylpropene sodium sulfonate, obtains mixed solution；
C: mixing charging: the mixed solution of isopropanol and lotion is uniformly added dropwise in Xiang Shangshu mixed solution, and in 45-50
It is stirred 15-20 minutes at DEG C；
D: finished product preparation: defoaming agent, anti-cracking agent and lignin are successively mixed in the mixed solution in step C, is persistently stirred
It mixes 30-40 minutes, obtains finished product water-reducing agent.
Optionally, in the step A water-reducing agent mother liquor preparation method are as follows: first to equipped with blender, thermometer burning
It is put into HPEG water reducing type monomer in cake, deionized water is then added into sesame seed cake, then it is heated and is stirred, the temperature of heating
It is 80-90 DEG C, the time of stirring is 13-15 minutes, until HPEG water reducing type monomer is completely dissolved, obtains water-reducing agent mother liquor.
Optionally, the lotion in the step C is styrene-acrylic emulsion, preparation method are as follows: benzene is added into reactor first
Then compound emulsifying agent and water is added in ethylene and acrylate monomer into reactor, stirring obtained pre-emulsion after 5-10 minutes,
Then stabilizer is added to reactor, stirring is ultrasonically treated after 3-5 minutes, obtains styrene-acrylic emulsion finished product.
Technical effect and advantage of the invention:
(1), water-reducing agent of the invention can obviously improve the workability and durability of concrete, while make water-reducing agent and big absolutely
Most cement have good adaptability；Anti-cracking agent is added, the concrete surface dehydrating speed newly poured can be slowed down, make newly to pour
Concrete surface dehydrating speed be not more than bleeding speed, defoaming agent is added, can effectively inhibit the bubble not generated and will
The bubble of generation is destroyed, and can be avoided the unnecessary loss of strength of the concrete newly mixed and stirred；
(2), lignin is added in water-reducing agent of the invention, lignin has certain bleed effect, can in concrete
Appropriate bleed improves the workability of concrete and reduces the viscosity of concrete, has certain function of slump protection to concrete.
(3), water-reducing agent provided by the invention, component is simple, and each ingredient synergistic effect not only acts as the effect for reducing agent,
Also there is antifreeze, waterproof, bleed, slow setting, antirust and other effects, alternation of wetting and drying, heat expansion and Frozen-thawed cycled can be dissolved to concrete knot
The damaging influence of structure.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1:
A kind of water-reducing agent based on high performance concrete, including following component (by mass percentage): water-reducing agent mother liquor:
40%, hydroquinone: 8%, lignin: 4%, triethanolamine: 15%, hydroquinone: 2%, methylpropene sodium sulfonate: 7%, newborn
Liquid: 4%, isopropanol: 3.5%, defoaming agent: 0.5%, anti-cracking agent: 4%, surplus is water.
Wherein, water-reducing agent mother liquor is mixed by HPEG water reducing type monomer with deionized water, and defoaming agent is poly- for nonionic
The mixture of any one or two kinds in ether defoaming agent and organic silicon defoamer, anti-cracking agent is by methacrylic acid, hydrogen peroxide, dimension
Raw element, maltodextrin are 0.5:0.3:1:0.2 composition according to mass ratio.
A kind of synthetic method of the water-reducing agent based on high performance concrete, comprising the following steps:
A: raw material preparation: above-mentioned raw materials being carried out weighing preparation by specific proportion, and are sealed at normal temperature,
In, the preparation method of water-reducing agent mother liquor are as follows: it is put into HPEG water reducing type monomer into the sesame seed cake equipped with blender, thermometer first,
Then deionized water is added into sesame seed cake, then it is heated and is stirred, the temperature of heating is 80 DEG C, and the time of stirring is 13 points
Clock obtains water-reducing agent mother liquor until HPEG water reducing type monomer is completely dissolved；
B: heating mixing: equipped with blender, thermometer reaction kettle in be separately added into corrresponding quality water-reducing agent mother liquor,
Hydroquinone, triethanolamine, sodium gluconate and methylpropene sodium sulfonate add water and stir 15 minutes at 60 DEG C, until to benzene
Diphenol, triethanolamine, sodium gluconate and methylpropene sodium sulfonate are completely dissolved, and obtain mixed solution；
C: mixing charging: the mixed solution of isopropanol and lotion is uniformly added dropwise in Xiang Shangshu mixed solution, and at 45 DEG C
Lower stirring 15 minutes, wherein lotion is styrene-acrylic emulsion, preparation method are as follows: styrene and propylene are added first into reactor
Then compound emulsifying agent and water is added in acid ester monomer into reactor, stirring obtains pre-emulsion after five minutes, then to reactor
Stabilizer is added, stirring is ultrasonically treated after 3 minutes, obtains styrene-acrylic emulsion finished product；
D: finished product preparation: defoaming agent, anti-cracking agent and lignin are successively mixed in the mixed solution in step C, is persistently stirred
It mixes 30 minutes, obtains finished product water-reducing agent.
Embodiment 2:
A kind of water-reducing agent based on high performance concrete, including following component (by mass percentage): water-reducing agent mother liquor:
41%, hydroquinone: 7%, lignin: 5%, triethanolamine: 14%, hydroquinone: 3%, methylpropene sodium sulfonate: 6%, newborn
Liquid: 5%, isopropanol: 3%, defoaming agent: 1%, anti-cracking agent: 3%, surplus is water.
Wherein, water-reducing agent mother liquor is mixed by HPEG water reducing type monomer with deionized water, and defoaming agent is poly- for nonionic
The mixture of any one or two kinds in ether defoaming agent and organic silicon defoamer, anti-cracking agent is by methacrylic acid, hydrogen peroxide, dimension
Raw element, maltodextrin are 0.5:0.3:1:0.2 composition according to mass ratio.
A kind of synthetic method of the water-reducing agent based on high performance concrete, comprising the following steps:
A: raw material preparation: above-mentioned raw materials being carried out weighing preparation by specific proportion, and are sealed at normal temperature,
In, the preparation method of water-reducing agent mother liquor are as follows: it is put into HPEG water reducing type monomer into the sesame seed cake equipped with blender, thermometer first,
Then deionized water is added into sesame seed cake, then it is heated and is stirred, the temperature of heating is 85 DEG C, and the time of stirring is 14 points
Clock obtains water-reducing agent mother liquor until HPEG water reducing type monomer is completely dissolved；
B: heating mixing: equipped with blender, thermometer reaction kettle in be separately added into corrresponding quality water-reducing agent mother liquor,
Hydroquinone, triethanolamine, sodium gluconate and methylpropene sodium sulfonate add water and stir 17 minutes at 65 DEG C, until to benzene
Diphenol, triethanolamine, sodium gluconate and methylpropene sodium sulfonate are completely dissolved, and obtain mixed solution；
C: mixing charging: the mixed solution of isopropanol and lotion is uniformly added dropwise in Xiang Shangshu mixed solution, and at 48 DEG C
Lower stirring 17 minutes, wherein lotion is styrene-acrylic emulsion, preparation method are as follows: styrene and propylene are added first into reactor
Then compound emulsifying agent and water is added in acid ester monomer into reactor, stirring obtained pre-emulsion after 8 minutes, then to reactor
Stabilizer is added, stirring is ultrasonically treated after 4 minutes, obtains styrene-acrylic emulsion finished product；
D: finished product preparation: defoaming agent, anti-cracking agent and lignin are successively mixed in the mixed solution in step C, is persistently stirred
It mixes 35 minutes, obtains finished product water-reducing agent.
Embodiment 3:
A kind of water-reducing agent based on high performance concrete, including following component (by mass percentage): water-reducing agent mother liquor:
2%, hydroquinone: 6%, lignin: 6%, triethanolamine: 13%, hydroquinone: 4%, methylpropene sodium sulfonate: 5%, newborn
Liquid: 6%, isopropanol: 2.5%, defoaming agent: 1.5%, anti-cracking agent: 2%, surplus is water.
Wherein, water-reducing agent mother liquor is mixed by HPEG water reducing type monomer with deionized water, and defoaming agent is poly- for nonionic
The mixture of any one or two kinds in ether defoaming agent and organic silicon defoamer, anti-cracking agent is by methacrylic acid, hydrogen peroxide, dimension
Raw element, maltodextrin are 0.5:0.3:1:0.2 composition according to mass ratio.
A kind of synthetic method of the water-reducing agent based on high performance concrete, comprising the following steps:
A: raw material preparation: above-mentioned raw materials being carried out weighing preparation by specific proportion, and are sealed at normal temperature,
In, the preparation method of water-reducing agent mother liquor are as follows: it is put into HPEG water reducing type monomer into the sesame seed cake equipped with blender, thermometer first,
Then deionized water is added into sesame seed cake, then it is heated and is stirred, the temperature of heating is 90 DEG C, and the time of stirring is 15 points
Clock obtains water-reducing agent mother liquor until HPEG water reducing type monomer is completely dissolved；
B: heating mixing: equipped with blender, thermometer reaction kettle in be separately added into corrresponding quality water-reducing agent mother liquor,
Hydroquinone, triethanolamine, sodium gluconate and methylpropene sodium sulfonate add water and stir 20 minutes at 70 DEG C, until to benzene
Diphenol, triethanolamine, sodium gluconate and methylpropene sodium sulfonate are completely dissolved, and obtain mixed solution；
C: mixing charging: the mixed solution of isopropanol and lotion is uniformly added dropwise in Xiang Shangshu mixed solution, and at 50 DEG C
Lower stirring 20 minutes, wherein lotion is styrene-acrylic emulsion, preparation method are as follows: styrene and propylene are added first into reactor
Then compound emulsifying agent and water is added in acid ester monomer into reactor, stirring obtains pre-emulsion after ten minutes, then to reactor
Stabilizer is added, stirring is ultrasonically treated after five minutes, obtains styrene-acrylic emulsion finished product；
D: finished product preparation: defoaming agent, anti-cracking agent and lignin are successively mixed in the mixed solution in step C, is persistently stirred
It mixes 40 minutes, obtains finished product water-reducing agent.
Cement water reducing agent testing result
| Group | Water-reducing rate | Bleeding rate | Testing result |
| Embodiment 1 | 6.4 | 24.3 | It is qualified |
| Embodiment 2 | 6.6 | 24.4 | It is qualified |
| Embodiment 3 | 6.3 | 24.6 | It is qualified |
Table 1
The water-reducing agent of high performance concrete can be made in above three groups of embodiments, pass through three groups of embodiment combination tables 1
As can be seen that wherein water-reducing agent effect made from second group of embodiment is best.Water-reducing agent of the invention can obviously improve concrete
Workability and durability, while water-reducing agent and most cement being made to have good adaptability；Anti-cracking agent is added, can slow down
The concrete surface dehydrating speed newly poured, makes the concrete surface dehydrating speed newly poured no more than bleeding speed, and addition disappears
Infusion can effectively inhibit the bubble not generated and be destroyed generated bubble, can be avoided the concrete newly mixed and stirred not
Necessary loss of strength.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of water-reducing agent based on high performance concrete, which is characterized in that including following component (by mass percentage): subtracting
Aqua mother liquor: 40-42%, hydroquinone: 6-8%, lignin: 4-6%, triethanolamine: 13-15%, sodium gluconate: 2-
4%, methylpropene sodium sulfonate: 5-7%, lotion: 4-6%, isopropanol: 2.5-3.5%, defoaming agent: 0.5-1.5%, anti-cracking agent:
2-4%, surplus are water.
2. a kind of water-reducing agent based on high performance concrete according to claim 1, it is characterised in that: the water-reducing agent
Mother liquor is mixed by HPEG water reducing type monomer with deionized water.
3. a kind of water-reducing agent based on high performance concrete according to claim 1, it is characterised in that: the defoaming agent
For the mixture of any one or two kinds in nonionic polyether defoaming agent and organic silicon defoamer.
4. a kind of water-reducing agent based on high performance concrete according to claim 1, it is characterised in that: the anti-cracking agent
It is made of methacrylic acid, hydrogen peroxide, vitamin, maltodextrin according to mass ratio for 0.5:0.3:1:0.2.
5. a kind of water-reducing agent based on high performance concrete according to claim 1, which is characterized in that including below at
Divide (by mass percentage): water-reducing agent mother liquor: 40%, hydroquinone: 8%, lignin: 4%, triethanolamine: 15%, to benzene two
Phenol: 2%, methylpropene sodium sulfonate: 7%, lotion: 4%, isopropanol: 3.5%, defoaming agent: 0.5%, anti-cracking agent: 4%, surplus
For water.
6. a kind of water-reducing agent based on high performance concrete according to claim 1, which is characterized in that including below at
Divide (by mass percentage): water-reducing agent mother liquor: 41%, hydroquinone: 7%, lignin: 5%, triethanolamine: 14%, to benzene two
Phenol: 3%, methylpropene sodium sulfonate: 6%, lotion: 5%, isopropanol: 3%, defoaming agent: 1%, anti-cracking agent: 3%, surplus is water.
7. a kind of water-reducing agent based on high performance concrete according to claim 1, which is characterized in that including below at
Divide (by mass percentage): water-reducing agent mother liquor: 2%, hydroquinone: 6%, lignin: 6%, triethanolamine: 13%, to benzene two
Phenol: 4%, methylpropene sodium sulfonate: 5%, lotion: 6%, isopropanol: 2.5%, defoaming agent: 1.5%, anti-cracking agent: 2%, surplus
For water.
8. a kind of synthetic method of the water-reducing agent based on high performance concrete, which comprises the following steps:
A: raw material preparation: above-mentioned raw materials are carried out weighing preparation by specific proportion, and are sealed at normal temperature；
B: heating mixing: the water-reducing agent mother liquor of corrresponding quality is separately added into the reaction kettle equipped with blender, thermometer, to benzene
Diphenol, triethanolamine, sodium gluconate and methylpropene sodium sulfonate add water and stir 15-20 minutes at 60-70 DEG C, until right
Benzenediol, triethanolamine, sodium gluconate and methylpropene sodium sulfonate are completely dissolved, and obtain mixed solution；
C: mixing charging: the mixed solution of isopropanol and lotion is uniformly added dropwise in Xiang Shangshu mixed solution, and at 45-50 DEG C
Stirring 15-20 minutes；
D: finished product preparation: defoaming agent, anti-cracking agent and lignin are successively mixed in the mixed solution in step C, persistently stirs 30-
40 minutes, obtain finished product water-reducing agent.
9. a kind of synthetic method of water-reducing agent based on high performance concrete according to claim 8, it is characterised in that:
The preparation method of water-reducing agent mother liquor in the step A are as follows: be put into HPEG diminishing into the sesame seed cake equipped with blender, thermometer first
Then deionized water is added in type monomer into sesame seed cake, then it is heated and is stirred, and the temperature of heating is 80-90 DEG C, stirring
Time is 13-15 minutes, until HPEG water reducing type monomer is completely dissolved, obtains water-reducing agent mother liquor.
10. a kind of synthetic method of water-reducing agent based on high performance concrete according to claim 8, feature exist
In: the lotion in the step C is styrene-acrylic emulsion, preparation method are as follows: styrene and acrylic acid are added first into reactor
Then compound emulsifying agent and water is added in ester monomer into reactor, stirring obtained pre-emulsion after 5-10 minutes, then to reactor
Stabilizer is added, stirring is ultrasonically treated after 3-5 minutes, obtains styrene-acrylic emulsion finished product.
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