CN106045372B - Special polycarboxylate water-reducer of concrete for mixing basalt mountain flour in concrete and preparation method thereof - Google Patents
Special polycarboxylate water-reducer of concrete for mixing basalt mountain flour in concrete and preparation method thereof Download PDFInfo
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- CN106045372B CN106045372B CN201610383886.1A CN201610383886A CN106045372B CN 106045372 B CN106045372 B CN 106045372B CN 201610383886 A CN201610383886 A CN 201610383886A CN 106045372 B CN106045372 B CN 106045372B
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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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
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A kind of to be used to mix special polycarboxylate water-reducer of concrete of basalt mountain flour and preparation method thereof in concrete, special polycarboxylate water-reducer is made of following raw materials：Polycarboxylate superplasticizer mother liquor 15%~40%, slow release high-efficiency water-reducing agent 1%~8%, water-retaining agent 0.1~0.5%, retarder 2%~5%, alcamines material 1%~8%, preservative 0.01%~0.05%, deionized water；Alcamines material is triethanolamine, one kind in triisopropanolamine, diethanol amine, diethanol monoisopropanolamine；Retarder is sodium gluconate, the one or more in Citric Acid Mono, sugar, HEDP, sodium pyrophosphate.Present invention also offers the preparation method of special polycarboxylate water-reducer.The special polycarboxylate water-reducer water-reducing rate of the present invention is high, and the concrete slump gradual loss of institute's mix is small, and early strength is high, good with basalt mountain flour adaptability；The properties of concrete are effectively improved, basalt stone powder concrete is prepared and construction provides necessary condition to mix.
Description
Technical field
The present invention relates to a kind of concrete admixture, particularly a kind of coagulation for being used to mix basalt mountain flour in concrete
The special polycarboxylate water-reducer of soil, belongs to building material technical field.It is used to mix the Black Warrior in concrete the invention further relates to described
The preparation method of the special polycarboxylate water-reducer of concrete of Rock Powder.
Background technology
Concrete is a kind of construction material that dosage is maximum in modern civil engineering, purposes is most wide, with China's water conservancy water
Electric infrastructure, communications and transportation infrastructure and industry are greatly developed with civil buildings, are got over for the performance requirement of concrete
Come higher, in order to improve the performance of concrete, admixture admixture is one of effective measures for improving concrete properties.But
With the drastically expansion of concrete demand, good admixture is reduced increasingly, and the shoddy phenomenon in admixture market is shown in repeatly
It is not fresh, solve the problems, such as that concrete admixture is very urgent.It is a kind of preferable that the wide quality in basalt mountain flour source, which is easy to control,
Substitute the material of admixture.Many large-scale hydraulic and hydroelectric engineerings are had inconvenient traffic usually all in outlying mountain area, concrete square amount ratio
It is larger, it is necessary to admixture is more, from other places, fortune historical cost is excessive, and quality is difficult to control.If it can utilize and produce people
Unnecessary basalt mountain flour makees admixture caused by work sand, that can just reduce the property that cost of transportation can also improve concrete
Energy.
Inventor retrieves following Patents documents：CN103641352A discloses a kind of humidity-preserving type water-reducing agent by following
The component composition of percentage by weight：Basalt 15% -30%, methyl-propyl acid 0.01% -0.1%, formaldehyde 0.5% -
1.5%th, oligosaccharide 5% -10%, sulfamic acid 2% -4%, water surplus.CN103641351A discloses a kind of efficient moisture-retention
Basalt is put into pulverizer and is crushed to 300 mesh by the preparation process of water-reducing agent, and the basalt crushed and oligosaccharide are carried out
Blend；By the above-mentioned substance after blending, it is put into T-shaped mixer and mixes Seal treatment；Take above-mentioned products therefrom, methyl-propyl
Acid, formaldehyde heat 45 minutes at 110 DEG C；Cooling；It is small that above-mentioned product after cooling is put into immersion 16 in sulfamic acid solution
When, soaked above-mentioned substance is put into dryer and is dried, is cooled down.CN105330193A discloses a kind of nuclear power with ultra dense reality
Concrete polycarboxylate water-reducer and preparation method thereof, every 100 parts of the water-reducing agent include following components and parts by weight content：Decentralized
50-55 parts of ethers polycarboxylic acid water reducing agent, 20-25 parts of collapse protection type ethers polycarboxylic acid water reducing agent, 3-5 parts of retarder, defoamer 0.01-
0.05 part, 1-3 parts of water-retaining agent, 1-2 parts of economization agent, 0.1-0.3 parts of preservative, water is surplus；During preparation, the component is pressed
Parts by weight are uniformly mixed.
How the above technology is for make polycarboxylate water-reducer can effectively improve the properties of concrete, so as to mix
Basalt stone powder concrete is prepared and construction provides necessary condition, does not provide specific guidance program.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of coagulation for being used to mix basalt mountain flour in concrete
The special polycarboxylate water-reducer of soil, its water-reducing rate is high, and the concrete slump gradual loss of institute's mix is small, and early strength is high, and profound
Military Rock Powder adaptability is good；The properties of concrete are can effectively improve, so as to prepare and apply to mix basalt stone powder concrete
Work provides necessary condition.
For this reason, the present invention also provides the special polycarboxylic acids of concrete for being used to mix basalt mountain flour in concrete
The preparation method of water-reducing agent.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
It is a kind of be used for mixed in concrete basalt mountain flour the special polycarboxylate water-reducer of concrete (or name say the name of sth. be use
In the special polycarboxylate water-reducer of concrete for mixing basalt mountain flour), its technical solution is that it is by following components and weight hundred
Made of the raw material for dividing ratio：Polycarboxylate superplasticizer mother liquor 15%~40%, slow release high-efficiency water-reducing agent 1%~8%, water-retaining agent
0.1~0.5%, retarder 2%~5%, alcamines material (alcamine compound) 1%~8%, preservative 0.01%~
0.05%, deionized water is surplus；The sum of percentage by weight of above-mentioned each component is 100%；The alcamines material is three
One kind in monoethanolamine, triisopropanolamine, diethanol amine, diethanol monoisopropanolamine；The retarder for sodium gluconate,
One or more of combinations in Citric Acid Mono, sugar, HEDP (1-hydroxy ethylidene-1,1-diphosphonic acid), sodium pyrophosphate.
In above-mentioned technical proposal, the polycarboxylate superplasticizer mother liquor is acrylic acid series, methacrylic, maleic anhydride
One or more of combinations in class, fumaric acid class polycarboxylate superplasticizer mother liquor.Above-mentioned slow release high-efficiency water-reducing agent is preferably
Slow release high-efficiency polycarboxylate water-reducer described in CN104016615B.Above-mentioned water-retaining agent is preferably hydroxypropyl methyl fiber
It is one or two kinds of in element, methylcellulose, carboxymethyl cellulose.Above-mentioned preservative is preferably potassium sorbate, sodium acetate
In it is one or two kinds of.
The special polycarboxylate water-reducer of concrete for being used to mix basalt mountain flour in concrete can be by following
(preferred solution) made of the raw material of component and percentage by weight：Polycarboxylate superplasticizer mother liquor 20%, slow release high-efficiency water-reducing agent
2%, water-retaining agent 0.1%, retarder is sugared 2%, alcamines material, that is, triethanolamine 1%, preservative 0.02%, and deionized water is
Surplus；The sum of percentage by weight of above-mentioned each component is 100%；The water-retaining agent is hydroxypropyl methyl cellulose, described
Preservative is potassium sorbate.
The special polycarboxylate water-reducer of concrete for being used to mix basalt mountain flour in concrete can be by following
(preferred solution) made of the raw material of component and percentage by weight：Polycarboxylate superplasticizer mother liquor 30%, slow release high-efficiency water-reducing agent
1.5%, water-retaining agent 0.1%, retarder 2%, alcamines material, that is, triisopropanolamine 2%, preservative 0.03%, deionized water is
Surplus；The sum of percentage by weight of above-mentioned each component is 100%；The retarder is the combination of HEDP and sodium gluconate,
The weight ratio of HEDP and sodium gluconate is 1:1, the water-retaining agent is hydroxypropyl methyl cellulose, the group of methylcellulose
Close, the weight ratio of hydroxypropyl methyl cellulose and methylcellulose is 1:2, the preservative is potassium sorbate and sodium acetate
Combination, the weight ratio of potassium sorbate and sodium acetate is 1:0.5.
The special polycarboxylate water-reducer of concrete for being used to mix basalt mountain flour in concrete can also be under
State (preferred solution) made of the raw material of component and percentage by weight：Polycarboxylate superplasticizer mother liquor 35%, slow release high-efficiency diminishing
Agent 2%, water-retaining agent 0.1%, retarder 2%, alcamines material, that is, diethanol amine 2%, preservative 0.02%, deionized water is remaining
Amount；The sum of percentage by weight of above-mentioned each component is 100%；The retarder is HEDP, and the water-retaining agent is carboxylic
Methylcellulose, the preservative are sodium acetate.
The special polycarboxylate water-reducer of concrete for being used to mix basalt mountain flour in concrete can also be under
State (preferred solution) made of the raw material of component and percentage by weight：Polycarboxylate superplasticizer mother liquor 36%, slow release high-efficiency diminishing
Agent 7%, water-retaining agent 0.4%, retarder 4%, alcamines material, that is, diethanol monoisopropanolamine 6%, preservative 0.04%, go from
Sub- water is surplus；The sum of percentage by weight of above-mentioned each component is 100%；The retarder is HEDP, the group of sodium pyrophosphate
Close, the weight ratio of HEDP and sodium pyrophosphate is 1:1.5, the water-retaining agent is hydroxypropyl methyl cellulose, the anti-corrosion
Agent is potassium sorbate.
The preparation method bag for being used to mix the special polycarboxylate water-reducer of concrete of basalt mountain flour in concrete
Include following processing step：Suitable deionized water is first added in agitator tank, the addition of deionized water is its gross weight
55%~75%, retarder is then added, 5~15min is stirred, adds polycarboxylate superplasticizer mother liquor, slow release high-efficiency afterwards
Water-reducing agent, stirs 15~20min, is eventually adding water-retaining agent, alcamines material and preservative, remaining deionized water, continues
Stir 5~30min, then discharging is packed to obtain the final product.
The special polycarboxylate water-reducer of concrete its volume (addition) of the present invention be cementitious material in concrete (by for
Generation before) gross weight (gross mass) 1.5%~2.0%.It can be substituted in concrete mix with the basalt micro mist of 800 mesh
The cement of (percentage by weight is) 15%.
It is of the invention to compare with existing technology, show following good using effect：(1) water-reducing rate is high, institute's mix
Concrete slump gradual loss it is small, early strength is high, good with basalt mountain flour adaptability.(2) concrete is effectively improved
Properties so that for mix basalt stone powder concrete prepare and construction provide necessary condition.(3) it prepares simple, real
With, it is energy saving.
Embodiment
Embodiment 1：(being used to mix basalt mountain flour in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made of the raw material of following components and percentage by weight：(solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 20%,
Slow release high-efficiency water-reducing agent 2%, water-retaining agent 0.1%, retarder (sugar, can be sucrose) 2%, alcamines material (triethanolamine)
1%, preservative 0.02%, deionized water is surplus；The sum of percentage by weight of above-mentioned each component is 100%.The water conservation
Agent is hydroxypropyl methyl cellulose, and the preservative is potassium sorbate.
The preparation method of described (being used to mix basalt mountain flour in concrete) the special polycarboxylate water-reducer of concrete
Comprise the technical steps that：(addition of deionized water is its gross weight to the deionized water of the first addition 75% in agitator tank
75%) (retarder) sugar, is then added, 15min is stirred, adds polycarboxylate superplasticizer mother liquor, slow release high-efficiency diminishing afterwards
Agent, stirs 15min, is eventually adding water-retaining agent, (alcamines material) triethanolamine and preservative, remaining deionized water, after
Continuous stirring 15min, then discharging are packed to obtain the final product.
Embodiment 2：(being used to mix basalt mountain flour in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made of the raw material of following components and percentage by weight：(solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 25%,
Slow release high-efficiency water-reducing agent 2.5%, water-retaining agent 0.1%, retarder (Citric Acid Mono) 2.5%, alcamines material (three ethanol
Amine) 1%, preservative 0.01%, deionized water is surplus；The sum of percentage by weight of above-mentioned each component is 100%.The guarantor
Aqua is methylcellulose, and the preservative is potassium sorbate.
The preparation method of described (being used to mix basalt mountain flour in concrete) the special polycarboxylate water-reducer of concrete
Comprise the technical steps that：(addition of deionized water is its gross weight to the deionized water of the first addition 69% in agitator tank
69%) (retarder) Citric Acid Mono, is then added, 15min is stirred, adds polycarboxylate superplasticizer mother liquor, slow-release afterwards
High efficiency water reducing agent, stir 15min, be eventually adding water-retaining agent, (alcamines material) triethanolamine and preservative, it is remaining go from
Sub- water, continues to stir 15min, and then discharging is packed to obtain the final product.
Embodiment 3：(being used to mix basalt mountain flour in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made of the raw material of following components and percentage by weight：(solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 30%,
Slow release high-efficiency water-reducing agent 1.5%, water-retaining agent 0.1%, retarder 2%, alcamines material (triisopropanolamine) 2%, preservative
0.03%, deionized water is surplus；The sum of percentage by weight of above-mentioned each component is 100%.The retarder for HEDP and
The weight ratio of the combination of sodium gluconate, HEDP and sodium gluconate is 1:1.The water-retaining agent is hydroxypropyl methyl fiber
The weight ratio of element, the combination of methylcellulose, hydroxypropyl methyl cellulose and methylcellulose is 1:2, the preservative
For the combination of potassium sorbate and sodium acetate, the weight ratio of potassium sorbate and sodium acetate is 1:0.5.
The preparation method of described (being used to mix basalt mountain flour in concrete) the special polycarboxylate water-reducer of concrete
Comprise the technical steps that：(addition of deionized water is its gross weight to the deionized water of the first addition 64.5% in agitator tank
64.5%), then add (retarder) HEDP and sodium gluconate, stir 5min, add polycarboxylate water-reducer mother afterwards
Liquid, slow release high-efficiency water-reducing agent, stir 15min, are eventually adding (water-retaining agent) methylcellulose, methylcellulose, (alcamines thing
Matter) triisopropanolamine and (preservative) potassium sorbate and sodium acetate, remaining deionized water, continue to stir 15min, then discharge
Pack to obtain the final product.
Embodiment 4：(being used to mix basalt mountain flour in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made of the raw material of following components and percentage by weight：(solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 25%,
Slow release high-efficiency water-reducing agent 1%, water-retaining agent 0.1%, retarder 2%, alcamines material (triethanolamine) 1%, preservative
0.01%, deionized water is surplus；The sum of percentage by weight of above-mentioned each component is 100%.The retarder is glucose
Sour sodium.The water-retaining agent is methylcellulose, and the preservative is sodium acetate.
The preparation method of described (being used to mix basalt mountain flour in concrete) the special polycarboxylate water-reducer of concrete
Comprise the technical steps that：(addition of deionized water is its gross weight to the deionized water of the first addition 71% in agitator tank
71%) (retarder) sodium gluconate, is then added, 10min is stirred, adds polycarboxylate superplasticizer mother liquor, slow-release afterwards
High efficiency water reducing agent, stir 15min, be eventually adding water-retaining agent, (alcamines material) triethanolamine and preservative, it is remaining go from
Sub- water, continues to stir 15min, and then discharging is packed to obtain the final product.
Embodiment 5：(being used to mix basalt mountain flour in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made of the raw material of following components and percentage by weight：(solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 35%,
Slow release high-efficiency water-reducing agent 2%, water-retaining agent 0.1%, retarder 2%, alcamines material (diethanol amine) 2%, preservative
0.02%, deionized water is surplus；The sum of percentage by weight of above-mentioned each component is 100%.The retarder is HEDP, institute
The water-retaining agent stated is carboxymethyl cellulose, and the preservative is sodium acetate.
The preparation method of described (being used to mix basalt mountain flour in concrete) the special polycarboxylate water-reducer of concrete
Comprise the technical steps that：(addition of deionized water is its gross weight to the deionized water of the first addition 59% in agitator tank
59%) (retarder) HEDP, is then added, 5min is stirred, adds polycarboxylate superplasticizer mother liquor, slow release high-efficiency diminishing afterwards
Agent, stirs 15min, is eventually adding water-retaining agent, (alcamines material) diethanol amine and preservative, remaining deionized water, after
Continuous stirring 15min, then discharging are packed to obtain the final product.
Embodiment 6：(being used to mix basalt mountain flour in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made of the raw material of following components and percentage by weight：(solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 36%,
Slow release high-efficiency water-reducing agent 7%, water-retaining agent 0.4%, retarder 4%, alcamines material (diethanol monoisopropanolamine) 6%, prevents
Rotten agent 0.04%, deionized water are surplus；The sum of percentage by weight of above-mentioned each component is 100%.The retarder is
The weight ratio of the combination of HEDP, sodium pyrophosphate, HEDP and sodium pyrophosphate is 1:1.5, the water-retaining agent is hydroxypropyl methyl
Cellulose, the preservative are potassium sorbate.
The preparation method of described (being used to mix basalt mountain flour in concrete) the special polycarboxylate water-reducer of concrete
Comprise the technical steps that：(addition of deionized water is its gross weight to the deionized water of the first addition 65% in agitator tank
65%) (retarder) HEDP, sodium pyrophosphate, are then added, stirs 10min, adds polycarboxylate superplasticizer mother liquor, sustained release afterwards
Type high efficiency water reducing agent, stir 15min, be eventually adding water-retaining agent, (alcamines material) diethanol monoisopropanolamine and preservative,
Remaining deionized water, continues to stir 15min, and then discharging is packed to obtain the final product.
Polycarboxylate superplasticizer mother liquor in the various embodiments described above is exactly polycarboxylate water-reducer solution, it belongs to the popular title of industry
Meaning.In general, polycarboxylate superplasticizer mother liquor and finished product (polycarboxylate water-reducer) are without obviously boundary, directly in factory
What is be synthesized is exactly mother liquor, and the requirement for some building site goes to prepare, and is added in polycarboxylate superplasticizer mother liquor certain
The product that has compounded of small powder (such as antifreezing agent) be exactly finished product i.e. polycarboxylate water-reducer.Learnt from Baidu search, many producers
Production, public offering polycarboxylate superplasticizer mother liquor.The polycarboxylate superplasticizer mother liquor can be acrylic acid series, methacrylic acid
One or more of combinations in class, maleic acid anhydride, fumaric acid class polycarboxylate superplasticizer mother liquor.It is slow in the various embodiments described above
Type high efficiency water reducing agent is released as the slow release high-efficiency polycarboxylate water-reducer described in CN104016615B, CN104016615B can be used
In embodiment 1 technical solution, trade name is slow release high-efficiency polycarboxylate water-reducer C, is cultivated people of ability and built by Shijiazhuang City Chang'an
Material Co., Ltd produces, address：Shijiazhuang City of Hebei Province (Luancheng) equipment manufacturing base Fu Cheng roads 11.This commodity is commercially
Public offering, the public can buy before 1 day May in 2016, know its chemical composition.
Concrete test, coagulation are carried out to the special polycarboxylate water-reducer of (high-performance) concrete obtained by embodiment 1~5
15% cement is substituted with 800 mesh basalt micro mists in native match ratio, experimental result is as shown in table 1.
Table 1
The various embodiments above of the present invention shows following good using effect：(1) water-reducing rate is high, and institute's mix mixes
Solidifying soil Slump Time losing of Large is small, and early strength is high, good with basalt mountain flour adaptability.(2) each of concrete is effectively improved
Item performance, so that basalt stone powder concrete is prepared and construction provides necessary condition to mix.(3) it prepares simple, practical, section
Energy.
Claims (5)
1. a kind of be used to mix the special polycarboxylate water-reducer of concrete of basalt mountain flour in concrete, it is characterised in that it be by
Made of the raw material of following components and percentage by weight：
Polycarboxylate superplasticizer mother liquor 20%, slow release high-efficiency water-reducing agent 2%, water-retaining agent 0.1%, retarder are sugared 2%, alcamines material
That is triethanolamine 1%, preservative 0.02%, deionized water are surplus；The sum of percentage by weight of above-mentioned each component is 100%；It is described
Water-retaining agent be hydroxypropyl methyl cellulose, the preservative is potassium sorbate.
2. a kind of be used to mix the special polycarboxylate water-reducer of concrete of basalt mountain flour in concrete, it is characterised in that it be by
Made of the raw material of following components and percentage by weight：
Polycarboxylate superplasticizer mother liquor 30%, slow release high-efficiency water-reducing agent 1.5%, water-retaining agent 0.1%, retarder 2%, alcamines material are
Triisopropanolamine 2%, preservative 0.03%, deionized water are surplus；The sum of percentage by weight of above-mentioned each component is 100%；It is described
Retarder be the combination of HEDP and sodium gluconate, the weight ratio of HEDP and sodium gluconate is 1:1, the water-retaining agent
For the combination of hydroxypropyl methyl cellulose, methylcellulose, the weight ratio of hydroxypropyl methyl cellulose and methylcellulose is
1:2, the preservative is the combination of potassium sorbate and sodium acetate, and the weight ratio of potassium sorbate and sodium acetate is 1:0.5.
3. a kind of be used to mix the special polycarboxylate water-reducer of concrete of basalt mountain flour in concrete, it is characterised in that it be by
Made of the raw material of following components and percentage by weight：
Polycarboxylate superplasticizer mother liquor 35%, slow release high-efficiency water-reducing agent 2%, water-retaining agent 0.1%, retarder 2%, alcamines material i.e. two
Monoethanolamine 2%, preservative 0.02%, deionized water are surplus；The sum of percentage by weight of above-mentioned each component is 100%；Described is slow
Solidifying agent is HEDP, and the water-retaining agent is carboxymethyl cellulose, and the preservative is sodium acetate.
4. a kind of be used to mix the special polycarboxylate water-reducer of concrete of basalt mountain flour in concrete, it is characterised in that it be by
Made of the raw material of following components and percentage by weight：
Polycarboxylate superplasticizer mother liquor 36%, slow release high-efficiency water-reducing agent 7%, water-retaining agent 0.4%, retarder 4%, alcamines material i.e. two
Ethanol monoisopropanolamine 6%, preservative 0.04%, deionized water are surplus；The sum of percentage by weight of above-mentioned each component is 100%；
The retarder is the combination of HEDP, sodium pyrophosphate, and the weight ratio of HEDP and sodium pyrophosphate is 1:1.5, the water conservation
Agent is hydroxypropyl methyl cellulose, and the preservative is potassium sorbate.
A kind of 5. special poly- carboxylic of concrete for being used to mix basalt mountain flour in concrete described in claim 1 or 2 or 3 or 4
The preparation method of sour water-reducing agent, it is characterised in that the special poly- carboxylic of concrete for being used to mix basalt mountain flour in concrete
The preparation method of sour water-reducing agent comprises the technical steps that：Suitable deionized water is first added in agitator tank, deionized water
Addition is the 55%~75% of its gross weight, then adds retarder, stirs 5~15min, adds polycarboxylate water-reducer afterwards
Mother liquor, slow release high-efficiency water-reducing agent, stir 15~20min, are eventually adding water-retaining agent, alcamines material and preservative, residue
Deionized water, continue 5~30min of stirring, then discharging pack to obtain the final product.
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| CN106045372A (en) | 2016-10-26 |
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