CN109354437A - A kind of concrete high efficiency water reducing agent - Google Patents
A kind of concrete high efficiency water reducing agent Download PDFInfo
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- CN109354437A CN109354437A CN201811301941.3A CN201811301941A CN109354437A CN 109354437 A CN109354437 A CN 109354437A CN 201811301941 A CN201811301941 A CN 201811301941A CN 109354437 A CN109354437 A CN 109354437A
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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
- C04B40/0042—Powdery mixtures
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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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A kind of concrete high efficiency water reducing agent, it is related to construction material preparation technical field, present invention process process is succinct, reasonable raw material proportioning, what is used is nontoxic chemical substance production, low in raw material price, the cement water reducing agent of preparation, water-reducing effect are good, applicable performance is strong, using effect is obvious, and market value is high, convenient for promoting and using.
Description
Technical field
The present invention relates to construction material preparation technical fields, and in particular to a kind of concrete high efficiency water reducing agent.
Background technique
Retardation water reducing agent is a kind of additive being of wide application in concrete admixture, has both slow setting and reduces mix
The characteristic of water consumption, and high performance retardation water reducing agent has stronger peptizaiton to cement, can keep coagulation well
The slump of soil.
Since general polycarboxylate water-reducer influences not being very greatly, to want in setting time on the setting time of concrete
The method of compounding retarder is generallyd use when asking longer.But in actual application, to the biggish retarder of dosage is equal
Even compounding into water-reducing agent be it is relatively difficult, need being stirred for long period, seriously affect the compounding efficiency of water-reducing agent；
And when the polycarboxylate water-reducer time of repose for having compounded more retarder is slightly long, it may appear that contained slow setting in upper and lower level water-reducing agent
The very big problem of constituent content difference, to influence the service performance stability of concrete obtained by mix.
Summary of the invention:
Technical problem to be solved by the present invention lies in providing, a kind of formula is reasonable, simple production process, and performance is stable
Concrete high efficiency water reducing agent.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of concrete high efficiency water reducing agent, which is characterized in that be prepared from the following raw materials in parts by weight: lignosulfonates
40-60 parts, 10-20 parts of modified starch, 10-15 parts of adsorbent, 5-10 parts of xanthan gum, 2-8 parts of sodium gluconate, crospovidone
1-5 parts, 2-5 parts of polyethyleneglycol diacrylate, 2-6 parts of ascorbic acid, 1.5-3 parts of iron chloride, 2-5 parts of potassium methyl silicate, ten
0.2-2 parts of sodium dialkyl sulfate.
The modified starch by starch, poly-aspartic-acid, three chlorocyanamides, borax, it is bentonite modified be made, modification side
Method are as follows: starch is mixed with poly-aspartic-acid, instills absolute alcohol to being completely dissolved, carries out heating grinding, grinding 5-15 divides
Clock is added three chlorocyanamides and continues grinding 5-10 minutes, mixture is put into microwave under 2450M hours z of microwave frequency, power 600W
Processing 10-15 minutes, obtains mixture I；Borax is mixed with bentonite, grinding 5-10 minutes is carried out, places into frequency 20KHZ,
It is carried out ultrasonication 5-15 minutes in the processor for ultrasonic wave of power 900W, the borax mixture good with bentonite in treatment is put
Enter in mixture I, is put under 2450M hours z of microwave frequency, power 600W microwave treatment 10-15 minutes, is dried and crushed into 80-
100 mesh powders, can be prepared by.
The adsorbent is made of zeolite powder, active powdered carbon, rice straw, alum according to mass ratio 1:1:1.5:0.5,
Production method are as follows: rice straw is placed in 120-150 DEG C of drying box and is dried to moisture content no more than 2%, be ground into 40-60 mesh
Powder is added suitable quantity of water and is evenly stirred until cement paste, be then placed in 400-600 DEG C of retort and be carbonized 1-3 hours, takes out cold
But it is ground into 60-80 mesh powder afterwards, obtains carbonized powder；Alum is dissolved in suitable quantity of water, is concentrated under reduced pressure, then after being dried
80-100 mesh powder is pulverized into, alum powder cleaning is obtained；The carbonized powder and alum powder cleaning are mixed, are added
Zeolite powder and active powdered carbon and pure water are ground 2-3 hours, are finally spray-dried to obtain the final product.
The concrete high efficiency water reducing agent, the production method is as follows:
(1) add water into lignosulfonates until being completely dissolved, adsorbent is added, stirs evenly, be heated to reflux shape
State is added xanthan gum, stirs evenly, and continues heating 5-10 minutes, adds sodium gluconate, is then heated to reflux state guarantor
Temperature stirring 3-5 hours, obtains material I；
(2) modified starch is mixed with polyethyleneglycol diacrylate, is heated to 115-125 DEG C of insulated and stirred 5-10 points
Clock adds crospovidone and continues insulated and stirred 5-10 parts, add iron chloride, continues stirring 5-10 minutes, obtain material
II；
(3) material I, material II are mixed, carries out heating grinding 10-20 minutes, potassium methyl silicate is added, continued heating and grind
Mill 10-20 minutes, continuously adds ascorbic acid, lauryl sodium sulfate, continues heating grinding 10-15 minutes, obtains material III；
(4) material III is put into frequency 20KHZ, carries out ultrasonication 5-15 in the processor for ultrasonic wave of power 900W
Minute, then vacuum compression is blocking, is transferred to sealing and standing 3-5h in -10 DEG C of environment, micro mist most is made through micronizer afterwards, i.e.,
Obtain concrete high efficiency water reducing agent.
The beneficial effects of the present invention are:
1, present invention process process is succinct, reasonable raw material proportioning, and use is nontoxic chemical substance production, former
To expect cheap, the cement water reducing agent of preparation, water-reducing effect is good, and applicable performance is strong, and using effect is obvious, and market value is high,
Convenient for promoting and using；
2, using lignosulfonates as primary raw material, cooperation modified starch enhances each raw material and is directly blended the present invention
Property, while cooperating adsorbent, water imbibition is enhanced, further includes xanthan gum, sodium gluconate, more enhances the stabilization of water-reducing agent
Property；The present invention also added crospovidone, polyethyleneglycol diacrylate, ascorbic acid, improve each ingredient of water-reducing agent
Compatible dispersibility and stability, can be good at being scattered in cement when reapplying water-reducing agent, reinforce using effect.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of concrete high efficiency water reducing agent, which is characterized in that be prepared from the following raw materials in parts by weight: lignosulfonates
40 parts, 10 parts of modified starch, 10 parts of adsorbent, 5 parts of xanthan gum, 2 parts of sodium gluconate, 1 part of crospovidone, polyethylene glycol two
2 parts of acrylate, 2 parts of ascorbic acid, 1.5 parts of iron chloride, 2 parts of potassium methyl silicate, 0.2 part of lauryl sodium sulfate.
The modified starch by starch, poly-aspartic-acid, three chlorocyanamides, borax, it is bentonite modified be made, modification side
Method are as follows: starch is mixed with poly-aspartic-acid, absolute alcohol is instilled to being completely dissolved, carries out heating grinding, grind 5 minutes,
Three chlorocyanamides are added and continue grinding 5 minutes, mixture is put into microwave treatment 10 under 2450M hours z of microwave frequency, power 600W
Minute, obtain mixture I；Borax is mixed with bentonite, carries out grinding 5 minutes, places into frequency 20KHZ, power 900W's is super
It is carried out ultrasonication 5 minutes in sound wave processor, borax and the good mixture of bentonite in treatment is put into mixture I, put
Enter under 2450M hours z of microwave frequency, power 600W microwave treatment 10 minutes, is dried and crushed into 80 mesh powders, can be prepared by.
The adsorbent is made of zeolite powder, active powdered carbon, rice straw, alum according to mass ratio 1:1:1.5:0.5,
Production method are as follows: rice straw is placed in 120 DEG C of drying box and is dried to moisture content no more than 2%, be ground into 40 mesh powder, add
Enter suitable quantity of water and be evenly stirred until cement paste, be then placed in 400 DEG C of retort and be carbonized 1 hour, is ground into 60- after taking out cooling
80 mesh powder, obtain carbonized powder；Alum is dissolved in suitable quantity of water, is concentrated under reduced pressure, then pulverize into 80 mesh powder after being dried
End obtains alum powder cleaning；The carbonized powder and alum powder cleaning are mixed, zeolite powder and active powdered carbon is added
And pure water is ground 2 hours, is finally spray-dried to obtain the final product.
The concrete high efficiency water reducing agent, the production method is as follows:
(1) add water into lignosulfonates until being completely dissolved, adsorbent is added, stirs evenly, be heated to reflux shape
State is added xanthan gum, stirs evenly, and continues heating 5 minutes, adds sodium gluconate, is then heated to reflux state heat preservation
Stirring 3 hours, obtains material I；
(2) modified starch is mixed with polyethyleneglycol diacrylate, is heated to 115 DEG C of insulated and stirreds 5 minutes, added
Crospovidone continues 5 parts of insulated and stirred, adds iron chloride, continues stirring 5 minutes, obtains material II；
(3) material I, material II are mixed, carries out heating grinding 10 minutes, potassium methyl silicate is added, continue heating grinding
10 minutes, ascorbic acid, lauryl sodium sulfate are continuously added, continues heating grinding 10 minutes, obtains material III；
(4) material III is put into frequency 20KHZ, carries out ultrasonication 5 in the processor for ultrasonic wave of power 900W and divides
Clock, then vacuum compression is blocking, is transferred to sealing and standing 3h in -10 DEG C of environment, and micro mist most is made to get mixed through micronizer afterwards
Solidifying soil high efficiency water reducing agent.
Embodiment 2
A kind of concrete high efficiency water reducing agent, which is characterized in that be prepared from the following raw materials in parts by weight: lignosulfonates
50 parts, 15 parts of modified starch, 13 parts of adsorbent, 8 parts of xanthan gum, 6 parts of sodium gluconate, 3 parts of crospovidone, polyethylene glycol two
4 parts of acrylate, 4 parts of ascorbic acid, 2.5 parts of iron chloride, 4 parts of potassium methyl silicate, 1.5 parts of lauryl sodium sulfate.
The modified starch by starch, poly-aspartic-acid, three chlorocyanamides, borax, it is bentonite modified be made, modification side
Method are as follows: starch is mixed with poly-aspartic-acid, absolute alcohol is instilled to being completely dissolved, carries out heating grinding, grind 10 minutes,
Three chlorocyanamides are added and continue grinding 10 minutes, mixture is put into microwave treatment under 2450M hours z of microwave frequency, power 600W
15 minutes, obtain mixture I；Borax is mixed with bentonite, grinding 10 minutes is carried out, places into frequency 20KHZ, power 900W's
It is carried out ultrasonication 10 minutes in processor for ultrasonic wave, borax and the good mixture of bentonite in treatment is put into mixture I,
It is put under 2450M hours z of microwave frequency, power 600W microwave treatment 15 minutes, is dried and crushed into 90 mesh powders, can make
?.
The adsorbent is made of zeolite powder, active powdered carbon, rice straw, alum according to mass ratio 1:1:1.5:0.5,
Production method are as follows: rice straw is placed in 140 DEG C of drying box and is dried to moisture content no more than 2%, be ground into 50 mesh powder, add
Enter suitable quantity of water and be evenly stirred until cement paste, be then placed in 500 DEG C of retort and be carbonized 2 hours, is ground into 60- after taking out cooling
80 mesh powder, obtain carbonized powder；Alum is dissolved in suitable quantity of water, is concentrated under reduced pressure, then pulverize into 90 mesh powder after being dried
End obtains alum powder cleaning；The carbonized powder and alum powder cleaning are mixed, zeolite powder and active powdered carbon is added
And pure water is ground 2.5 hours, is finally spray-dried to obtain the final product.
The concrete high efficiency water reducing agent, the production method is as follows:
(1) add water into lignosulfonates until being completely dissolved, adsorbent is added, stirs evenly, be heated to reflux shape
State is added xanthan gum, stirs evenly, and continues heating 10 minutes, adds sodium gluconate, is then heated to reflux state heat preservation
Stirring 4 hours, obtains material I；
(2) modified starch is mixed with polyethyleneglycol diacrylate, is heated to 120 DEG C of insulated and stirreds 10 minutes, then plus
Enter crospovidone and continue 8 parts of insulated and stirred, add iron chloride, continues stirring 5-10 minutes, obtain material II；
(3) material I, material II are mixed, carries out heating grinding 15 minutes, potassium methyl silicate is added, continue heating grinding
15 minutes, ascorbic acid, lauryl sodium sulfate are continuously added, continues heating grinding 15 minutes, obtains material III；
(4) material III is put into frequency 20KHZ, carries out ultrasonication 10 in the processor for ultrasonic wave of power 900W and divides
Clock, then vacuum compression is blocking, is transferred to sealing and standing 4h in -10 DEG C of environment, and micro mist most is made to get mixed through micronizer afterwards
Solidifying soil high efficiency water reducing agent.
Embodiment 3
A kind of concrete high efficiency water reducing agent, which is characterized in that be prepared from the following raw materials in parts by weight: lignosulfonates
60 parts, 20 parts of modified starch, 15 parts of adsorbent, 10 parts of xanthan gum, 8 parts of sodium gluconate, 5 parts of crospovidone, polyethylene glycol
5 parts of diacrylate, 6 parts of ascorbic acid, 3 parts of iron chloride, 5 parts of potassium methyl silicate, 2 parts of lauryl sodium sulfate.
The modified starch by starch, poly-aspartic-acid, three chlorocyanamides, borax, it is bentonite modified be made, modification side
Method are as follows: starch is mixed with poly-aspartic-acid, absolute alcohol is instilled to being completely dissolved, carries out heating grinding, grind 15 minutes,
Three chlorocyanamides are added and continue grinding 10 minutes, mixture is put into microwave treatment under 2450M hours z of microwave frequency, power 600W
15 minutes, obtain mixture I；Borax is mixed with bentonite, grinding 10 minutes is carried out, places into frequency 20KHZ, power 900W's
It is carried out ultrasonication 15 minutes in processor for ultrasonic wave, borax and the good mixture of bentonite in treatment is put into mixture I,
It is put under 2450M hours z of microwave frequency, power 600W microwave treatment 15 minutes, is dried and crushed into 100 mesh powders, can make
?.
The adsorbent is made of zeolite powder, active powdered carbon, rice straw, alum according to mass ratio 1:1:1.5:0.5,
Production method are as follows: rice straw is placed in 150 DEG C of drying box and is dried to moisture content no more than 2%, be ground into 60 mesh powder, add
Enter suitable quantity of water and be evenly stirred until cement paste, be then placed in 600 DEG C of retort and be carbonized 3 hours, is ground into 80 after taking out cooling
Mesh powder, obtains carbonized powder；Alum is dissolved in suitable quantity of water, is concentrated under reduced pressure, then pulverize into 100 mesh powder after being dried
End obtains alum powder cleaning；The carbonized powder and alum powder cleaning are mixed, zeolite powder and active powdered carbon is added
And pure water is ground 3 hours, is finally spray-dried to obtain the final product.
The concrete high efficiency water reducing agent, the production method is as follows:
(1) add water into lignosulfonates until being completely dissolved, adsorbent is added, stirs evenly, be heated to reflux shape
State is added xanthan gum, stirs evenly, and continues heating 10 minutes, adds sodium gluconate, is then heated to reflux state heat preservation
Stirring 5 hours, obtains material I；
(2) modified starch is mixed with polyethyleneglycol diacrylate, is heated to 125 DEG C of insulated and stirreds 10 minutes, then plus
Enter crospovidone and continue 10 parts of insulated and stirred, add iron chloride, continues stirring 10 minutes, obtain material II；
(3) material I, material II are mixed, carries out heating grinding 20 minutes, potassium methyl silicate is added, continue heating grinding
20 minutes, ascorbic acid, lauryl sodium sulfate are continuously added, continues heating grinding 15 minutes, obtains material III；
(4) material III is put into frequency 20KHZ, carries out ultrasonication 15 in the processor for ultrasonic wave of power 900W and divides
Clock, then vacuum compression is blocking, is transferred to sealing and standing 5h in -10 DEG C of environment, and micro mist most is made to get mixed through micronizer afterwards
Solidifying soil high efficiency water reducing agent.
Control group 1
Using commercially available common water-reducing agent.
Control group 2
This control group content and 2 content of embodiment are essentially identical, and something in common no longer repeats, the difference is that: it does not wrap
Containing adsorbent.
Control group 3
This control group content and 2 content of embodiment are essentially identical, and something in common no longer repeats, the difference is that: it does not wrap
Containing modified starch.
The service performance measurement result of the early strength water-reducing agent of the present invention of table 1
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of concrete high efficiency water reducing agent, which is characterized in that be prepared from the following raw materials in parts by weight: lignosulfonates
40-60 parts, 10-20 parts of modified starch, 10-15 parts of adsorbent, 5-10 parts of xanthan gum, 2-8 parts of sodium gluconate, crospovidone
1-5 parts, 2-5 parts of polyethyleneglycol diacrylate, 2-6 parts of ascorbic acid, 1.5-3 parts of iron chloride, 2-5 parts of potassium methyl silicate, ten
0.2-2 parts of sodium dialkyl sulfate.
2. a kind of concrete high efficiency water reducing agent according to claim 1, which is characterized in that the modified starch by starch,
Poly-aspartic-acid, three chlorocyanamides, borax, it is bentonite modified be made, method of modifying are as follows: by starch and poly-aspartic acid-mixed
It closes, instills absolute alcohol to being completely dissolved, carry out heating grinding, grind 5-15 minutes, three chlorocyanamides are added and continue to grind 5-10
Minute, mixture is put under 2450M hours z of microwave frequency, power 600W microwave treatment 10-15 minutes, mixture I is obtained；It will
Borax is mixed with bentonite, is carried out grinding 5-10 minutes, is placed into frequency 20KHZ, in the processor for ultrasonic wave of power 900W into
Row ultrasonication 5-15 minutes, borax and the good mixture of bentonite in treatment are put into mixture I, microwave frequency is put into
Microwave treatment 10-15 minutes, is dried and crushed into 80-100 mesh powder, can be prepared by under 2450M hours z, power 600W.
3. a kind of concrete high efficiency water reducing agent according to claim 1, which is characterized in that the adsorbent by zeolite powder,
Active powdered carbon, rice straw, alum are made according to mass ratio 1:1:1.5:0.5, production method are as follows: be placed in rice straw
It dries in 120-150 DEG C of drying box to moisture content and is not more than 2%, be ground into 40-60 mesh powder, suitable quantity of water is added and is evenly stirred until
Cement paste is then placed in 400-600 DEG C of retort and is carbonized 1-3 hours, is ground into 60-80 mesh powder after taking out cooling, obtains
Carbonized powder；Alum is dissolved in suitable quantity of water, is concentrated under reduced pressure, then pulverize into 80-100 mesh powder after being dried, obtains bright
Alum powder cleaning；The carbonized powder and alum powder cleaning are mixed, zeolite powder and active powdered carbon and pure is added
Water is ground 2-3 hours, is finally spray-dried to obtain the final product.
4. a kind of concrete high efficiency water reducing agent according to claim 1, which is characterized in that the production method is as follows:
(1) add water into lignosulfonates until being completely dissolved, adsorbent is added, stirs evenly, is heated to reflux state, add
Enter xanthan gum, stir evenly, continue heating 5-10 minutes, add sodium gluconate, is then heated to reflux state heat preservation and stirs
It mixes 3-5 hours, obtains material I；
(2) modified starch is mixed with polyethyleneglycol diacrylate, is heated to 115-125 DEG C of insulated and stirred 5-10 minutes, then
Crospovidone is added and continues insulated and stirred 5-10 parts, adds iron chloride, continues stirring 5-10 minutes, obtains material II；
(3) material I, material II are mixed, carries out heating grinding 10-20 minutes, potassium methyl silicate is added, continue heating grinding
10-20 minutes, ascorbic acid, lauryl sodium sulfate are continuously added, continues heating grinding 10-15 minutes, obtains material III；
(4) material III is put into frequency 20KHZ, is carried out ultrasonication 5-15 minutes in the processor for ultrasonic wave of power 900W,
Then vacuum compression is blocking, is transferred to sealing and standing 3-5h in -10 DEG C of environment, and micro mist most is made to get mixed through micronizer afterwards
Solidifying soil high efficiency water reducing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301941.3A CN109354437A (en) | 2018-11-02 | 2018-11-02 | A kind of concrete high efficiency water reducing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301941.3A CN109354437A (en) | 2018-11-02 | 2018-11-02 | A kind of concrete high efficiency water reducing agent |
Publications (1)
| Publication Number | Publication Date |
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| CN109354437A true CN109354437A (en) | 2019-02-19 |
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ID=65344156
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811301941.3A Withdrawn CN109354437A (en) | 2018-11-02 | 2018-11-02 | A kind of concrete high efficiency water reducing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353318A (en) * | 2022-08-17 | 2022-11-18 | 厦门美益智城新材料有限公司 | High-compatibility water reducing agent and preparation method and application thereof |
-
2018
- 2018-11-02 CN CN201811301941.3A patent/CN109354437A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353318A (en) * | 2022-08-17 | 2022-11-18 | 厦门美益智城新材料有限公司 | High-compatibility water reducing agent and preparation method and application thereof |
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Application publication date: 20190219 |
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