CN106045372A - Polycarboxylate superplasticizer special for concrete and for doping of basalt stone powder in concrete and preparation method thereof - Google Patents
Polycarboxylate superplasticizer special for concrete and for doping of basalt stone powder in concrete and preparation method thereof Download PDFInfo
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- CN106045372A CN106045372A CN201610383886.1A CN201610383886A CN106045372A CN 106045372 A CN106045372 A CN 106045372A CN 201610383886 A CN201610383886 A CN 201610383886A CN 106045372 A CN106045372 A CN 106045372A
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- reducer
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses polycarboxylate superplasticizer special for concrete and for doping of basalt stone powder in the concrete and a preparation method thereof. The special polycarboxylate superplasticizer is prepared from 15-40% of polycarboxylate superplasticizer mother liquid, 1-8% of controlled-release type superplasticizer, 0.1-0.5% of a water-retaining agent, 2-5% of retarder, 1-8% of an alcohol amine substance, 0.01-0.05% of preservative and deionized water. The alcohol amine substance is one of triethanolamine, triisopropanolamine, diethanol amine and diethanolisopropanolamine. The retarder is one or several of sodium gluconate, citric acid monohydrate, sugar, HEDP and sodium pyrophosphate. The invention further provides a preparation method of the special polycarboxylate superplasticizer. The special polycarboxylate superplasticizer is high in water-reducing rate, the slump time lose of the stirred concrete is small, the early strength is high, and the adaptation of the concrete to the basalt stone powder is good; various properties of the concrete are effectively improved, and necessary conditions are provided for preparation of the concrete doped with the basalt stone powder and construction.
Description
Technical field
The present invention relates to a kind of concrete admixture, a kind of coagulation for mixing basalt stone powder in concrete
The special polycarboxylate water-reducer of soil, belongs to building material technical field.The invention still further relates to described for mixing the Black Warrior in concrete
The preparation method of the special polycarboxylate water-reducer of concrete of Rock Powder.
Background technology
Concrete is a kind of construction material that in modern civil engineering, consumption is maximum, purposes is the widest, along with China's water conservancy water
Electricity infrastructure, transportation capital construction and industry are greatly developed with civil buildings, and the performance requirement for concrete is got over
Coming the highest, in order to improve the performance of concrete, admixture admixture is one of effective measures improving concrete properties.But
Along with the drastically expansion of concrete demand, the admixture of high-quality reduces increasingly, and the shoddy phenomenon in admixture market is shown in repeatly
The freshest, solve concrete admixture problem very urgent.It is a kind of preferable that the wide quality in basalt stone powder source is easily controlled
Substitute the material of admixture.The most large-scale Hydraulic and Hydro-Power Engineering, generally all in outlying mountain area, is had inconvenient traffic, concrete square amount ratio
Relatively big, need admixture more, from other places, fortune historical cost is too high, and quality is wayward.People is produced if able to utilize
Basalt stone powder unnecessary produced by work sand makees admixture, and that just can decrease cost of transportation also can improve the property of concrete
Energy.
Inventor retrieves following Patents document: CN103641352A and discloses a kind of humidity-preserving type water reducer by following
The one-tenth of percentage by weight is grouped into: basalt 15% 30%, methyl-propyl acid 0.01% 0.1%, formaldehyde 0.5%
1.5%, oligosaccharide 5% 10%, sulfamic acid 2% 4%, water surplus.CN103641351A discloses a kind of efficient moisture-retention
Basalt is put into and is crushed to 300 mesh in pulverizer by the preparation technology of water reducer, is carried out with oligosaccharide by the basalt crushed
Blend；Above-mentioned substance after blending, puts into mixing sealing treatment in T-shaped mixer；Take above-mentioned products therefrom, methyl-propyl
Acid, formaldehyde heat 45 minutes at 110 DEG C；Cooling；Above-mentioned product after cooling is put into immersion 16 in sulfamic acid solution little
Time, soaked above-mentioned substance is put in dehydrator and dry, cooling.CN105330193A discloses a kind of ultra dense reality of nuclear power
Concrete polycarboxylate water-reducer and preparation method thereof, every 100 parts of this water reducer includes following components and weight portion content: decentralized
Ethers polycarboxylic acid water reducing agent 50-55 part, collapse protection type ethers polycarboxylic acid water reducing agent 20-25 part, retarder 3-5 part, defoamer 0.01-
0.05 part, water-retaining agent 1-3 part, economization agent 1-2 part, preservative 0.1-0.3 part, water is surplus；During preparation, described component is pressed
Weight portion mix homogeneously.
How the above technology is for making polycarboxylate water-reducer can be effectively improved the properties of concrete, thus for mixing
The preparation of basalt stone powder concrete and construction provide essential condition, do not provide concrete guidance program.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of coagulation for mixing basalt stone powder 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 little, and early strength is high, with profound
Military Rock Powder adaptability is good；The properties of concrete can be effectively improved, thus for mixing the preparation of basalt stone powder concrete and executing
Work provides essential condition.
To this end, the present invention also provides described for mixing the special polycarboxylic acids of the concrete of basalt stone powder in concrete
The preparation method of water reducer.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of special polycarboxylate water-reducer of the concrete for mixing basalt stone powder in concrete (or name say the name of sth. be use
In the special polycarboxylate water-reducer of the concrete mixing basalt stone powder), its technical scheme is that it is by following component and weight hundred
The raw material of proportion by subtraction is made: polycarboxylate superplasticizer mother liquor 15%～40%, slow release high-efficiency water reducer 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 percentage by weight sum of above-mentioned each component is 100%；Described alcamines material is three
One in ethanolamine, triisopropanolamine, diethanolamine, diethanol monoisopropanolamine；Described retarder be sodium gluconate,
The combination of one or more in citric acid monohydrate, sugar, HEDP (1-hydroxy ethylidene-1,1-diphosphonic acid), sodium pyrophosphate.
In technique scheme, described polycarboxylate superplasticizer mother liquor is acrylic acid series, methacrylic, maleic anhydride
The combination of one or more in class, fumaric acid class polycarboxylate superplasticizer mother liquor.Above-mentioned slow release high-efficiency water reducer is preferably
Slow release high-efficiency polycarboxylate water-reducer described in CN104016615B.Above-mentioned water-retaining agent is preferably hydroxypropyl methyl fiber
One or two kinds of in element, methylcellulose, carboxymethyl cellulose.Above-mentioned preservative is preferably potassium sorbate, sodium acetate
In one or two kinds of.
Described can be by following for mixing the special polycarboxylate water-reducer of concrete of basalt stone powder in concrete
(preferred version) that the raw material of component and percentage by weight is made: polycarboxylate superplasticizer mother liquor 20%, slow release high-efficiency water reducer
2%, water-retaining agent 0.1%, retarder i.e. sugar 2%, alcamines material i.e. triethanolamine 1%, preservative 0.02%, deionized water is
Surplus；The percentage by weight sum of above-mentioned each component is 100%；Described water-retaining agent is hydroxypropyl methyl cellulose, described
Preservative is potassium sorbate.
Described can be by following for mixing the special polycarboxylate water-reducer of concrete of basalt stone powder in concrete
(preferred version) that the raw material of component and percentage by weight is made: polycarboxylate superplasticizer mother liquor 30%, slow release high-efficiency water reducer
1.5%, water-retaining agent 0.1%, retarder 2%, alcamines material i.e. triisopropanolamine 2%, preservative 0.03%, deionized water is
Surplus；The percentage by weight sum of above-mentioned each component is 100%；Described retarder is the combination of HEDP and sodium gluconate,
The weight ratio of HEDP and sodium gluconate is 1:1, and described water-retaining agent is the group of hydroxypropyl methyl cellulose, methylcellulose
Closing, the weight ratio of hydroxypropyl methyl cellulose and methylcellulose is 1:2, and described preservative is potassium sorbate and sodium acetate
Combination, the weight ratio of potassium sorbate and sodium acetate is 1:0.5.
The described special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete can also is that by under
State (preferred version) that the raw material of component and percentage by weight is made: polycarboxylate superplasticizer mother liquor 35%, slow release high-efficiency diminishing
Agent 2%, water-retaining agent 0.1%, retarder 2%, alcamines material i.e. diethanolamine 2%, preservative 0.02%, deionized water is remaining
Amount；The percentage by weight sum of above-mentioned each component is 100%；Described retarder is HEDP, and described water-retaining agent is carboxylic
Methylcellulose, described preservative is sodium acetate.
The described special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete can also is that by under
State (preferred version) that the raw material of component and percentage by weight is made: polycarboxylate superplasticizer mother liquor 36%, slow release high-efficiency diminishing
Agent 7%, water-retaining agent 0.4%, retarder 4%, alcamines material i.e. diethanol monoisopropanolamine 6%, preservative 0.04%, go from
Sub-water is surplus；The percentage by weight sum of above-mentioned each component is 100%；Described retarder is the group of HEDP, sodium pyrophosphate
Closing, the weight ratio of HEDP and sodium pyrophosphate is 1:1.5, and described water-retaining agent is hydroxypropyl methyl cellulose, described anticorrosion
Agent is potassium sorbate.
The preparation method bag of the described special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete
Include following processing step: first adding appropriate deionized water in agitator tank, the addition of deionized water is its gross weight
55%～75%, it is subsequently adding retarder, stirs 5～15min, add polycarboxylate superplasticizer mother liquor, slow release high-efficiency afterwards
Water reducer, stirs 15～20min, is eventually adding water-retaining agent, alcamines material and preservative, remaining deionized water, continues
Stirring 5～30min, then discharging is packed and be get final product.
The concrete its volume of special polycarboxylate water-reducer (addition) of the present invention is that Binder Materials in concrete (is being replaced
For front) gross weight (gross mass) 1.5%～2.0%.Concrete mix can substitute with the basalt micropowder of 800 mesh
The cement of (percentage by weight is) 15%.
The present invention compares with existing technology, demonstrates following good using effect: (1) water-reducing rate is high, institute's mix
Concrete slump gradual loss little, early strength is high, good with basalt stone powder adaptability.(2) concrete is effectively improved
Properties, thus for mix basalt stone powder concrete preparation and construction provide essential condition.(3) its preparation is simple, real
With, energy-conservation.
Detailed description of the invention
Embodiment 1: (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made up of the raw material of following component and percentage by weight: (solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 20%,
Slow release high-efficiency water reducer 2%, water-retaining agent 0.1%, retarder (sugar, can be sucrose) 2%, alcamines material (triethanolamine)
1%, preservative 0.02%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%.Described water conservation
Agent is hydroxypropyl methyl cellulose, and described preservative is potassium sorbate.
The preparation method of described (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete
Comprise the technical steps that: first add in agitator tank 75% deionized water (addition of deionized water is its gross weight
75%), it is subsequently adding (retarder) sugar, stirs 15min, add 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, continues
Continuous stirring 15min, then discharging is packed and be get final product.
Embodiment 2: (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made up of the raw material of following component and percentage by weight: (solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 25%,
Slow release high-efficiency water reducer 2.5%, water-retaining agent 0.1%, retarder (citric acid monohydrate) 2.5%, alcamines material (three ethanol
Amine) 1%, preservative 0.01%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%.Described guarantor
Water preparation is methylcellulose, and described preservative is potassium sorbate.
The preparation method of described (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete
Comprise the technical steps that: first add in agitator tank 69% deionized water (addition of deionized water is its gross weight
69%), it is subsequently adding (retarder) citric acid monohydrate, stirs 15min, add polycarboxylate superplasticizer mother liquor, spacetabs type afterwards
High efficiency water reducing agent, stir 15min, be eventually adding water-retaining agent, (alcamines material) triethanolamine and preservative, remaining go from
Sub-water, continues stirring 15min, and then discharging is packed and be get final product.
Embodiment 3: (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made up of the raw material of following component and percentage by weight: (solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 30%,
Slow release high-efficiency water reducer 1.5%, water-retaining agent 0.1%, retarder 2%, alcamines material (triisopropanolamine) 2%, preservative
0.03%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%.Described retarder be HEDP and
The weight ratio of the combination of sodium gluconate, HEDP and sodium gluconate is 1:1.Described water-retaining agent is hydroxypropyl methyl fiber
Element, the combination of methylcellulose, the weight ratio of hydroxypropyl methyl cellulose and methylcellulose is 1:2, described preservative
For the combination of potassium sorbate Yu sodium acetate, potassium sorbate is 1:0.5 with the weight ratio of sodium acetate.
The preparation method of described (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete
Comprise the technical steps that: first add in agitator tank 64.5% deionized water (addition of deionized water is its gross weight
64.5%), be subsequently adding (retarder) HEDP and sodium gluconate, stir 5min, add polycarboxylate water-reducer afterwards female
Liquid, slow release high-efficiency water reducer, stir 15min, be eventually adding (water-retaining agent) methylcellulose, methylcellulose, (alcamines thing
Matter) triisopropanolamine and (preservative) potassium sorbate and sodium acetate, remaining deionized water, continue stirring 15min, then discharging
Pack and get final product.
Embodiment 4: (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made up of the raw material of following component and percentage by weight: (solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 25%,
Slow release high-efficiency water reducer 1%, water-retaining agent 0.1%, retarder 2%, alcamines material (triethanolamine) 1%, preservative
0.01%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%.Described retarder is glucose
Acid sodium.Described water-retaining agent is methylcellulose, and described preservative is sodium acetate.
The preparation method of described (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete
Comprise the technical steps that: first add in agitator tank 71% deionized water (addition of deionized water is its gross weight
71%), it is subsequently adding (retarder) sodium gluconate, stirs 10min, add polycarboxylate superplasticizer mother liquor, spacetabs type afterwards
High efficiency water reducing agent, stir 15min, be eventually adding water-retaining agent, (alcamines material) triethanolamine and preservative, remaining go from
Sub-water, continues stirring 15min, and then discharging is packed and be get final product.
Embodiment 5: (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made up of the raw material of following component and percentage by weight: (solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 35%,
Slow release high-efficiency water reducer 2%, water-retaining agent 0.1%, retarder 2%, alcamines material (diethanolamine) 2%, preservative
0.02%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%.Described retarder is HEDP, institute
The water-retaining agent stated is carboxymethyl cellulose, and described preservative is sodium acetate.
The preparation method of described (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete
Comprise the technical steps that: first add in agitator tank 59% deionized water (addition of deionized water is its gross weight
59%), it is subsequently adding (retarder) HEDP, stirs 5min, add polycarboxylate superplasticizer mother liquor, slow release high-efficiency diminishing afterwards
Agent, stirs 15min, is eventually adding water-retaining agent, (alcamines material) diethanolamine and preservative, remaining deionized water, continues
Continuous stirring 15min, then discharging is packed and be get final product.
Embodiment 6: (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete of the present invention
It is made up of the raw material of following component and percentage by weight: (solid content is 40wt.%'s) polycarboxylate superplasticizer mother liquor 36%,
Slow release high-efficiency water reducer 7%, water-retaining agent 0.4%, retarder 4%, alcamines material (diethanol monoisopropanolamine) 6%, anti-
Rotten agent 0.04%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%.Described retarder is
HEDP, the combination of sodium pyrophosphate, the weight ratio of HEDP and sodium pyrophosphate is 1:1.5, and described water-retaining agent is hydroxypropyl methyl
Cellulose, described preservative is potassium sorbate.
The preparation method of described (for mixing basalt stone powder in concrete) special polycarboxylate water-reducer of concrete
Comprise the technical steps that: first add in agitator tank 65% deionized water (addition of deionized water is its gross weight
65%), it is subsequently adding (retarder) HEDP, sodium pyrophosphate, stirs 10min, add polycarboxylate superplasticizer mother liquor, slow 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 stirring 15min, and then discharging is packed and be get final product.
Polycarboxylate superplasticizer mother liquor in the various embodiments described above is exactly polycarboxylate water-reducer solution, and it belongs to the popular title of industry
Meaning.In general, polycarboxylate superplasticizer mother liquor and finished product (polycarboxylate water-reducer) the most obviously boundary, directly in factory
Be synthesized is exactly mother solution, and preparation is gone in the requirement for some building site, adds certain in polycarboxylate superplasticizer mother liquor
The product that compounded of small powder (such as antifreezing agent) be exactly finished product i.e. polycarboxylate water-reducer.From Baidu, search is learnt, many producers
Production, public offering polycarboxylate superplasticizer mother liquor.Described polycarboxylate superplasticizer mother liquor can be acrylic acid series, methacrylic acid
The combination of one or more in class, maleic acid anhydride, fumaric acid class polycarboxylate superplasticizer mother liquor.Delaying in the various embodiments described above
The type high efficiency water reducing agent of releasing is the slow release high-efficiency polycarboxylate water-reducer described in CN104016615B, can use CN104016615B
In the technical scheme of embodiment 1, trade name slow release high-efficiency polycarboxylate water-reducer C, Shijiazhuang City Chang'an cultivate people of ability and build
Material company limited produces, address: Fu Cheng road, Shijiazhuang City of Hebei Province (Luancheng) equipment manufacturing base 11.These commodity are commercially
Public offering, the public can buy before 1 day May in 2016, knows its chemical composition.
The special polycarboxylate water-reducer of (high-performance) concrete obtained by embodiment 1～5 is carried out concrete test, coagulation
Substituting 15% cement with 800 mesh basalt micropowders in soil 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, mixing of institute's mix
Solidifying soil Slump Time losing of Large is little, and early strength is high, good with basalt stone powder adaptability.(2) each of concrete is effectively improved
Item performance, thus provide essential condition for mixing the preparation of basalt stone powder concrete and construction.(3) it prepares simple, practical, joint
Energy.
Claims (10)
1. one kind for mixing the special polycarboxylate water-reducer of concrete of basalt stone powder in concrete, it is characterised in that it be by
The raw material of following component and percentage by weight is made: polycarboxylate superplasticizer mother liquor 15%～40%, slow release high-efficiency water reducer
1%～8%, water-retaining agent 0.1～0.5%, retarder 2%～5%, alcamines material 1%～8%, preservative 0.01%～
0.05%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%；
Described alcamines material is the one in triethanolamine, triisopropanolamine, diethanolamine, diethanol monoisopropanolamine；
Described retarder is the combination of one or more in sodium gluconate, citric acid monohydrate, sugar, HEDP, sodium pyrophosphate.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that above-mentioned polycarboxylate superplasticizer mother liquor is that acrylic acid series, methacrylic, maleic acid anhydride, fumaric acid are birdsed of the same feather flock together
The combination of one or more in carboxylic acid water reducer mother solution.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that above-mentioned slow release high-efficiency water reducer is the slow release high-efficiency polycarboxylate water-reducer described in CN104016615B.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that above-mentioned water-retaining agent be the one in hydroxypropyl methyl cellulose, methylcellulose, carboxymethyl cellulose or
Two kinds.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that above-mentioned preservative is the one or two kinds of in potassium sorbate, sodium acetate.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that what it was made up of the raw material of following component and percentage by weight:
Polycarboxylate superplasticizer mother liquor 20%, slow release high-efficiency water reducer 2%, water-retaining agent 0.1%, retarder i.e. sugar 2%, alcamines
Material i.e. triethanolamine 1%, preservative 0.02%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is
100%；Described water-retaining agent is hydroxypropyl methyl cellulose, and described preservative is potassium sorbate.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that what it was made up of the raw material of following component and percentage by weight: polycarboxylate superplasticizer mother liquor 30%, spacetabs type
High efficiency water reducing agent 1.5%, water-retaining agent 0.1%, retarder 2%, alcamines material i.e. triisopropanolamine 2%, preservative 0.03%,
Deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%；Described retarder is HEDP and gluconic acid
The weight ratio of the combination of sodium, HEDP and sodium gluconate is 1:1, and described water-retaining agent is hydroxypropyl methyl cellulose, methyl
The weight ratio of the combination of cellulose, hydroxypropyl methyl cellulose and methylcellulose is 1:2, and described preservative is sorbic acid
Potassium and the combination of sodium acetate, potassium sorbate is 1:0.5 with the weight ratio of sodium acetate.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that what it was made up of the raw material of following component and percentage by weight:
Polycarboxylate superplasticizer mother liquor 35%, slow release high-efficiency water reducer 2%, water-retaining agent 0.1%, retarder 2%, alcamines material
I.e. diethanolamine 2%, preservative 0.02%, deionized water is surplus；The percentage by weight sum of above-mentioned each component is 100%；
Described retarder is HEDP, and described water-retaining agent is carboxymethyl cellulose, and described preservative is sodium acetate.
The special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete the most according to claim 1,
It is characterized in that what it was made up of the raw material of following component and percentage by weight:
Polycarboxylate superplasticizer mother liquor 36%, slow release high-efficiency water reducer 7%, water-retaining agent 0.4%, retarder 4%, alcamines material
I.e. diethanol monoisopropanolamine 6%, preservative 0.04%, deionized water is surplus；The percentage by weight sum of above-mentioned each component
It is 100%；Described retarder be the weight ratio of the combination of HEDP, sodium pyrophosphate, HEDP and sodium pyrophosphate be 1:1.5, institute
The water-retaining agent stated is hydroxypropyl methyl cellulose, and described preservative is potassium sorbate.
10. the special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete described in a claim 1
Preparation method, it is characterised in that the described special polycarboxylate water-reducer of concrete for mixing basalt stone powder in concrete
Preparation method comprise the technical steps that: first adding appropriate deionized water in agitator tank, the addition of deionized water is
The 55%～75% of its gross weight, is subsequently adding retarder, stirs 5～15min, add afterwards polycarboxylate superplasticizer mother liquor,
Slow release high-efficiency water reducer, stir 15～20min, be eventually adding water-retaining agent, alcamines material and preservative, remaining go from
Sub-water, continues stirring 5～30min, and then discharging is packed and be get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383886.1A CN106045372B (en) | 2016-06-01 | 2016-06-01 | Special polycarboxylate water-reducer of concrete for mixing basalt mountain flour in concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383886.1A CN106045372B (en) | 2016-06-01 | 2016-06-01 | Special polycarboxylate water-reducer of concrete for mixing basalt mountain flour in concrete and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106045372A true CN106045372A (en) | 2016-10-26 |
| CN106045372B CN106045372B (en) | 2018-04-24 |
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| CN201610383886.1A Active CN106045372B (en) | 2016-06-01 | 2016-06-01 | Special polycarboxylate water-reducer of concrete for mixing basalt mountain flour in concrete and preparation method thereof |
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| CN108002770A (en) * | 2017-11-23 | 2018-05-08 | 重庆富皇建筑工业化制品有限公司 | A kind of concrete containing ball mill sand and agstone |
| CN109809739A (en) * | 2019-03-28 | 2019-05-28 | 山东众森科技股份有限公司 | A kind of function regulator and preparation method thereof for the compound fine aggregate of concrete |
| CN110255982A (en) * | 2019-04-25 | 2019-09-20 | 华亿建材科技有限公司 | A kind of novel inorganic light aggregate compound heat preserving plate and preparation method thereof |
| CN114685731A (en) * | 2022-04-21 | 2022-07-01 | 砼牛（上海）智能科技有限公司 | Polycarboxylic acid high-performance water reducing agent |
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