CN108164183A - A kind of high efficiency water reducing agent of construction material and preparation method thereof - Google Patents
A kind of high efficiency water reducing agent of construction material and preparation method thereof Download PDFInfo
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- CN108164183A CN108164183A CN201810239357.3A CN201810239357A CN108164183A CN 108164183 A CN108164183 A CN 108164183A CN 201810239357 A CN201810239357 A CN 201810239357A CN 108164183 A CN108164183 A CN 108164183A
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- reducing agent
- high efficiency
- construction material
- efficiency water
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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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Abstract
The invention discloses a kind of high efficiency water reducing agents of construction material, include the raw material of following parts by weight：42 46 parts of modified polycarboxylic acid water-reducing agent, 18 22 parts of urea, 16 20 parts of triethanolamine, 14 18 parts of silicon dioxide microsphere, 46 parts of nano-bentonite, to 35 parts of tert-butyl hydroquinone, 13 parts of thickener, 36 parts of tackifier.The object of the present invention is to provide a kind of high efficiency water reducing agent of construction material, which still keeps efficient water-reducing effect under long-time service, compared with prior art in reach and significantly improve.
Description
Technical field
The present invention relates to water-reducing agent technical fields, and in particular to a kind of high efficiency water reducing agent of construction material and its preparation side
Method.
Background technology
Water-reducing agent is outside a kind of concrete that under conditions of maintaining concrete slump constant, can reduce mixing water amount
Add agent, belong to anion surfactant mostly, there is lignosulfonates, naphthalene sulphonate formaldehyde polymer etc., add in concrete
There is peptizaiton to cement granules after mixture, its workability can be improved, reduce unit consumption of water, improve concrete mix
Mobility；Or unit cement consumption is reduced, cement is saved, according to water-reducing agent diminishing and enhancing ability, is divided into ordinary water-reducing agent（Again
Claim plasticiser, water-reducing rate is not less than 8%）, high efficiency water reducing agent（Also known as super plasticizer, water-reducing rate are not less than 14%）With high-performance diminishing
Agent（Water-reducing rate is not less than 25%）, and it is respectively divided into early-strength, standard type and retardation setting type again, it is divided by composition material：Sulfomethylated lignin
Barbiturates；Ppolynuclear aromatic salt；Water-soluble resin Sulfonates, currently on the market common several water-reducing agents be：Lignin
The high high efficiency water reducing agent of sulfonate sodium water-reducing agent, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent, amino, polycarboxylic acids efficiently subtract
Aqua etc..
Existing water-reducing agent water-reducing effect is not also fine, and under the conditions of long-time service, water-reducing agent is rotten, causes diminishing
Agent diminishing function is lost, and limits application of the water-reducing agent on building material technology.
Invention content
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of high efficiency water reducing agent of construction material, this subtracts
Aqua still keeps efficient water-reducing effect under long-time service, compared with prior art in reach and significantly improve.
The present invention solves technical problem and adopts the following technical scheme that：
The present invention provides a kind of high efficiency water reducing agents of construction material, include the raw material of following parts by weight：
42-46 parts of modified polycarboxylic acid water-reducing agent, 18-22 parts of urea, 16-20 parts of triethanolamine, 14-18 parts of silicon dioxide microsphere,
4-6 parts of nano-bentonite, to 3-5 parts of tert-butyl hydroquinone, 1-3 parts of thickener, 3-6 parts of tackifier.
Preferably, the high efficiency water reducing agent of the construction material includes the raw material of following parts by weight：
44 parts of modified polycarboxylic acid water-reducing agent, 20 parts of urea, 18 parts of triethanolamine, 16 parts of silicon dioxide microsphere, nano-bentonite 5
Part, to 4 parts of tert-butyl hydroquinone, 2 parts of thickener, 4.5 parts of tackifier.
Preferably, the modified polycarboxylic acid water-reducing agent is：Methyl allyl polyoxyethylene ether, acrylic acid are distributed to water
In, then methylpropene sodium sulfonate, emulsifier, ammonium persulfate, speed of agitator 120-130r/min, mixing time are added in thereto
For 35-45min, silane coupling agent is then added, temperature is 85-95 DEG C, finally adds in sodium lignin sulfonate thereto, is stirred
Rotating speed rises to 155-165r/min, continues to stir 45-55min to get modified polycarboxylic acid water-reducing agent.
Preferably, the emulsifier is lauryl sodium sulfate.
Preferably, the thickener is hydroxyl fiber powder.
Preferably, the tackifier are ethylene oxide-propylene oxide copolymer.
The present invention also provides a kind of preparation methods of the high efficiency water reducing agent of construction material, include the following steps：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed 250-
350r/min, mixing time 45-55min, obtain mixture A, then by mixture A, to tert-butyl hydroquinone, nano-bentonite after
Continuous stirring 25-35min, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1250-1350r/min, mixing time 45-55min to get the present invention construction material efficient diminishing
Agent.
Preferably, the preparation process of the high efficiency water reducing agent of the construction material is：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed
300r/min, mixing time 50min obtain mixture A, then continue by mixture A, to tert-butyl hydroquinone, nano-bentonite
30min is stirred, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1300r/min, mixing time 50min to get the present invention construction material high efficiency water reducing agent.
Compared with prior art, the present invention has following advantageous effect：
（1）A kind of high efficiency water reducing agent of construction material of the present invention, polycarboxylate water-reducer have good mobility and height
Water-reducing rate, but water-reducing agent meeting deliquescence are imitated, stability is bad, and sodium lignin sulfonate has tridimensional network, and property is stablized, together
When dispersion performance it is good, methyl allyl polyoxyethylene ether, acrylic acid are distributed in water, then pass through initiator, emulsifier, increasing
Chain agent is modified, then is grafted with sodium lignin sulfonate, and polycarboxylate water-reducer, which is modified, makes basis material not only with good
Mobility, while water-reducing agent effect will not be caused to be deteriorated because of long-time service, greatly improve the using effect of water-reducing agent.
（2）A kind of high efficiency water reducing agent of construction material of the present invention, the urea of use, triethanolamine, to tert-butyl benzene
Diphenol enables the raw material in water-reducing agent to be sufficiently mixed, nano-bentonite, silicon dioxide microsphere increases as filler as auxiliary material
The connectivity of strength water-reducing agent raw material, improves the compactness between raw material, and the further service life for improving water-reducing agent makes it in length
Excellent effect is still kept under time use.
（3）A kind of high efficiency water reducing agent of construction material of the present invention, the water-reducing agent are still kept efficient under long-time service
Water-reducing effect, compared with prior art in reach and significantly improve, there is higher use value and good application prospect, each original
Scientific compatibility and multigroup experimental demonstration are carried out between material, water-reducing agent effect is made to be greatly improved.
Specific embodiment
With reference to specific embodiment, the technical solution in the embodiment of the present invention is clearly and completely described, is shown
So, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the reality in the present invention
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work all belong to
In the scope of protection of the invention.
Embodiment 1.
A kind of high efficiency water reducing agent of construction material of the present embodiment includes the raw material of following parts by weight：
42 parts of modified polycarboxylic acid water-reducing agent, 18 parts of urea, 16 parts of triethanolamine, 14 parts of silicon dioxide microsphere, nano-bentonite 4
Part, to 3 parts of tert-butyl hydroquinone, 1 part of thickener, 3 parts of tackifier.
The modified polycarboxylic acid water-reducing agent of the present embodiment is：Methyl allyl polyoxyethylene ether, acrylic acid are distributed in water,
Add in methylpropene sodium sulfonate, emulsifier, ammonium persulfate, speed of agitator 120r/min thereto again, mixing time is
35min then adds silane coupling agent, and temperature is 85 DEG C, finally adds in sodium lignin sulfonate thereto, speed of agitator rises to
155r/min continues to stir 45min to get modified polycarboxylic acid water-reducing agent.
The emulsifier of the present embodiment is lauryl sodium sulfate.
The thickener of the present embodiment is hydroxyl fiber powder.
The tackifier of the present embodiment are ethylene oxide-propylene oxide copolymer.
A kind of preparation method of the high efficiency water reducing agent of construction material of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed
250r/min, mixing time 45min obtain mixture A, then continue by mixture A, to tert-butyl hydroquinone, nano-bentonite
25min is stirred, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1250r/min, mixing time 45min to get the present invention construction material high efficiency water reducing agent.
Embodiment 2.
A kind of high efficiency water reducing agent of construction material of the present embodiment includes the raw material of following parts by weight：
46 parts of modified polycarboxylic acid water-reducing agent, 22 parts of urea, 20 parts of triethanolamine, 18 parts of silicon dioxide microsphere, nano-bentonite 6
Part, to 5 parts of tert-butyl hydroquinone, 3 parts of thickener, 6 parts of tackifier.
The modified polycarboxylic acid water-reducing agent of the present embodiment is：Methyl allyl polyoxyethylene ether, acrylic acid are distributed in water,
Add in methylpropene sodium sulfonate, emulsifier, ammonium persulfate, speed of agitator 130r/min thereto again, mixing time is
45min then adds silane coupling agent, and temperature is 95 DEG C, finally adds in sodium lignin sulfonate thereto, speed of agitator rises to
165r/min continues to stir 55min to get modified polycarboxylic acid water-reducing agent.
The emulsifier of the present embodiment is lauryl sodium sulfate.
The thickener of the present embodiment is hydroxyl fiber powder.
The tackifier of the present embodiment are ethylene oxide-propylene oxide copolymer.
A kind of preparation method of the high efficiency water reducing agent of construction material of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed
350r/min, mixing time 55min obtain mixture A, then continue by mixture A, to tert-butyl hydroquinone, nano-bentonite
35min is stirred, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1350r/min, mixing time 55min to get the present invention construction material high efficiency water reducing agent.
Embodiment 3.
A kind of high efficiency water reducing agent of construction material of the present embodiment includes the raw material of following parts by weight：
44 parts of modified polycarboxylic acid water-reducing agent, 20 parts of urea, 18 parts of triethanolamine, 16 parts of silicon dioxide microsphere, nano-bentonite 5
Part, to 4 parts of tert-butyl hydroquinone, 2 parts of thickener, 4.5 parts of tackifier.
The modified polycarboxylic acid water-reducing agent of the present embodiment is：Methyl allyl polyoxyethylene ether, acrylic acid are distributed in water,
Add in methylpropene sodium sulfonate, emulsifier, ammonium persulfate, speed of agitator 125r/min thereto again, mixing time is
40min then adds silane coupling agent, and temperature is 85-95 DEG C, finally adds in sodium lignin sulfonate, speed of agitator thereto
160r/min is risen to, continues to stir 50min to get modified polycarboxylic acid water-reducing agent.
The emulsifier of the present embodiment is lauryl sodium sulfate.
The thickener of the present embodiment is hydroxyl fiber powder.
The tackifier of the present embodiment are ethylene oxide-propylene oxide copolymer.
A kind of preparation method of the high efficiency water reducing agent of construction material of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed
300r/min, mixing time 50min obtain mixture A, then continue by mixture A, to tert-butyl hydroquinone, nano-bentonite
30min is stirred, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1300r/min, mixing time 50min to get the present invention construction material high efficiency water reducing agent.
It draws a conclusion by many experiments and performance test, in embodiment 1-3, a kind of height of construction material of invention
Imitate water-reducing agent, which still keeps efficient water-reducing effect under long-time service, compared with prior art in reach and significantly carry
It is high.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of high efficiency water reducing agent of construction material, which is characterized in that include the raw material of following parts by weight：
42-46 parts of modified polycarboxylic acid water-reducing agent, 18-22 parts of urea, 16-20 parts of triethanolamine, 14-18 parts of silicon dioxide microsphere,
4-6 parts of nano-bentonite, to 3-5 parts of tert-butyl hydroquinone, 1-3 parts of thickener, 3-6 parts of tackifier.
2. the high efficiency water reducing agent of a kind of construction material according to claim 1, which is characterized in that the construction material is used
High efficiency water reducing agent include the raw materials of following parts by weight：
44 parts of modified polycarboxylic acid water-reducing agent, 20 parts of urea, 18 parts of triethanolamine, 16 parts of silicon dioxide microsphere, nano-bentonite 5
Part, to 4 parts of tert-butyl hydroquinone, 2 parts of thickener, 4.5 parts of tackifier.
3. the high efficiency water reducing agent of a kind of construction material according to claim 1 or 2, which is characterized in that the modification gathers
Carboxylic acid water reducer is：Methyl allyl polyoxyethylene ether, acrylic acid are distributed in water, then add in methacrylic sulfonic acid thereto
Sodium, emulsifier, ammonium persulfate, speed of agitator 120-130r/min, mixing time 35-45min then add silane idol
Join agent, temperature is 85-95 DEG C, finally adds in sodium lignin sulfonate thereto, speed of agitator rises to 155-165r/min, continues to stir
45-55min is mixed to get modified polycarboxylic acid water-reducing agent.
4. the high efficiency water reducing agent of a kind of construction material according to claim 3, which is characterized in that the emulsifier is ten
Sodium dialkyl sulfate.
5. the high efficiency water reducing agent of a kind of construction material according to claim 1, which is characterized in that the thickener is hydroxyl
Base fiber powder.
6. the high efficiency water reducing agent of a kind of construction material according to claim 1, which is characterized in that the tackifier are ring
Oxidative ethane-epoxy propane copolymer.
7. a kind of method for preparing the high efficiency water reducing agent such as claim 1-6 any one of them construction materials, feature exist
In including the following steps：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed 250-
350r/min, mixing time 45-55min, obtain mixture A, then by mixture A, to tert-butyl hydroquinone, nano-bentonite after
Continuous stirring 25-35min, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1250-1350r/min, mixing time 45-55min to get the present invention construction material efficient diminishing
Agent.
8. the preparation method of the high efficiency water reducing agent of a kind of construction material according to claim 7, which is characterized in that described
Preparation process is：
Step 1 weighs each component raw material as required；
Step 2 by modified polycarboxylic acid water-reducing agent, urea, triethanolamine, is added in homogenizer and is mixed, mixing speed
300r/min, mixing time 50min obtain mixture A, then continue by mixture A, to tert-butyl hydroquinone, nano-bentonite
30min is stirred, obtains mixture B；
Step 2 is obtained mixture B, silicon dioxide microsphere, thickener, tackifier and adds in high-speed mixer and mix by step 3
Close, mixing speed 1300r/min, mixing time 50min to get the present invention construction material high efficiency water reducing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239357.3A CN108164183A (en) | 2018-03-22 | 2018-03-22 | A kind of high efficiency water reducing agent of construction material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239357.3A CN108164183A (en) | 2018-03-22 | 2018-03-22 | A kind of high efficiency water reducing agent of construction material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108164183A true CN108164183A (en) | 2018-06-15 |
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| CN201810239357.3A Withdrawn CN108164183A (en) | 2018-03-22 | 2018-03-22 | A kind of high efficiency water reducing agent of construction material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403295A (en) * | 2022-09-27 | 2022-11-29 | 浙江智峰科技有限公司 | Green carbon-reducing concrete additive, green carbon-reducing concrete and preparation method |
-
2018
- 2018-03-22 CN CN201810239357.3A patent/CN108164183A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403295A (en) * | 2022-09-27 | 2022-11-29 | 浙江智峰科技有限公司 | Green carbon-reducing concrete additive, green carbon-reducing concrete and preparation method |
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Application publication date: 20180615 |
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| WW01 | Invention patent application withdrawn after publication |