CN108640559A - A kind of Magnetic Cement grinding aid mother liquor for building - Google Patents
A kind of Magnetic Cement grinding aid mother liquor for building Download PDFInfo
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- CN108640559A CN108640559A CN201810507221.6A CN201810507221A CN108640559A CN 108640559 A CN108640559 A CN 108640559A CN 201810507221 A CN201810507221 A CN 201810507221A CN 108640559 A CN108640559 A CN 108640559A
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- parts
- grinding aid
- cement
- mother liquor
- cement grinding
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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
-
- 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
- C04B2103/52—Grinding aids; Additives added during grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to construction processes auxiliary agent fields, disclose a kind of Magnetic Cement grinding aid mother liquor for building, are characterized in that：Including polyalcohol, calcium lignosulfonate, acid flux material, alkaline lignin, ethoxyl methyl cellulose ether, hydroxy-ethyl acrylate, magnetized water and auxiliary material, first will polyalcohol, calcium lignosulfonate and acid flux material reaction kettle be put into mix, alkaline lignin is added in a kettle again, adjust the pH value of mixture, then ethoxyl methyl cellulose ether and hydroxy-ethyl acrylate are added in a kettle, and it stands, the mixture after standing is finally imported into agitator tank from reaction kettle, addition magnetized water and auxiliary material are stirred, and this product is made after stirring.It solves in the preparation of existing cement grinding aid and imports the undesirable problem of cement setting time and compression strength in cement there are final products stability is not good enough.
Description
Technical field
The present invention relates to construction processes auxiliary agent fields, and in particular to is a kind of Magnetic Cement grinding aid mother liquor for building.
Background technology
Cement is usually the powder of grey, after adding suitable quantity of water, at plasticity pulpous state, can the materials such as sandstone securely it is cementing
Together, cement grinding aid is a kind of chemical addition agent improving cement grinding effect and performance, is used for the grinding mistake of cement material
Cheng Zhong, mill efficiency can be significantly improved or reduce energy consumption by adding a small amount of grinding aid, and significantly improve cement unit-hour output
And all technical, and the performance of cement itself is not damaged.As a kind of chemical activator, grinding aid can improve cement
Grain is distributed and excites aquation power, to improve cement early strength and later strength.
It discloses application No. is the Chinese patent of 200810124206.X and a kind of continuously preparing matching for high-efficiency concrete grinding aid
Side and method mainly select the mixture of monoisopropanolamine, diisopropanolamine (DIPA) and triisopropanolamine to be prepared in being formulated, though
Right preparation efficiency is higher, but it does not use the chain tra nsfer that neutral environment is effective, in obtained grinding aid product grinding aid imitate
Fruit is unstable.
It uses light water simultaneously, and cement easily causes crystalized cement in preparing and is precipitated and makes cement in particular circumstances
The strength reduction of concrete.
Therefore, it is necessary to a kind of component is simple, it is capable of providing acidic environment in the preparation and derives for polyalcohol and lignin
Object merges, and is capable of providing the chain tra nsfer that neutral environment assists carboxyl, improves cement concrete integral strength, reinforces final products
A kind of Magnetic Cement grinding aid mother liquor for building of stability.
Invention content
The present invention in the preparation of existing cement grinding aid for there are final products stability is not good enough, importing cement in cement
Setting time and compression strength are undesirable, and cement easily causes crystalized cement in preparing and is precipitated and makes coagulating cement in particular circumstances
The problem of strength reduction of soil, provide a kind of Magnetic Cement grinding aid mother liquor for building.
The present invention solves above-mentioned technical problem, the technical solution adopted is that, a kind of cement grinding aid includes polyalcohol, wooden
Plain sulfoacid calcium, acid flux material, alkaline lignin, ethoxyl methyl cellulose ether, hydroxy-ethyl acrylate, magnetized water and auxiliary material.
Further, in parts by weight, the polyalcohol is 20~80 parts, calcium lignosulfonate is 3~7 parts, acid molten
Agent is 1~4 part, alkaline lignin is 3~7 parts, ethoxyl methyl cellulose ether is 3~7 parts, hydroxy-ethyl acrylate is 3~7
Part, magnetized water is 120~200 parts and auxiliary material is 5~10 parts.
Further, in parts by weight, the polyalcohol is 30~70 parts, calcium lignosulfonate is 4~6 parts, acid molten
Agent is 1~3 part, alkaline lignin is 4~6 parts, ethoxyl methyl cellulose ether is 4~6 parts, hydroxy-ethyl acrylate is 4~6
Part, magnetized water is 140~180 parts and auxiliary material is 6~9 parts.
Further, in parts by weight, the polyalcohol is 40~60 parts, calcium lignosulfonate is 4~5 parts, acid molten
Agent is 2~3 parts, alkaline lignin is 4~5 parts, ethoxyl methyl cellulose ether is 4~5 parts, hydroxy-ethyl acrylate is 4~5
Part, magnetized water is 150~170 parts and auxiliary material is 7~9 parts.
Further, in parts by weight, the polyalcohol is 50 parts, calcium lignosulfonate is 5 parts, acid flux material is 3 parts,
Alkaline lignin is 4 parts, ethoxyl methyl cellulose ether is 4 parts, hydroxy-ethyl acrylate is 5 parts, magnetized water is 160 parts and auxiliary material
It is 8 parts.
Further, acid flux material is a concentration of 50% hydrochloric acid solution that PH is 2~3 and a concentration of 50% sulphur that PH is 2~3
It is one or more in acid solution.
Further, auxiliary material is one or more in sucrose monoester and white sugar.
The purpose designed in this way is that polyalcohol end group is an aliphatic group, has independent hydrophobic grouping outside it, makes
It is conducive to the flowing of cement powder, with grinding aid preferable third with excellent mobile performance, and with preferable dispersibility
Glycol substitutes part alcamine compound, the performance of cement can be made more preferable, moreover it is possible to reduce cost.
Calcium lignosulfonate has good dispersibility, can improve mill efficiency, improves unit-hour output, reduces power consumption,
Each raw material component can also be promoted to play synergistic effect, improve the adaptability of cement grinding aid and cement.
Acid flux material is merged for polyalcohol and lignin derivative, and alkaline lignin is used for solution pH value after neutralization reaction
It is allowed to tend to the neutral chain tra nsfer for assisting carboxyl, improves final products stability, ethoxyl methyl cellulose ether and acrylic acid hydroxyl
Ethyl ester has certain dispersibility, can improve the compression strength after blended cement, the sucrose monoester in auxiliary material or white sugar tool
The effect of playing the role of slow setting, diminishing power saving is reached by hydroxy compounds, hydroxycarboxylate and its derivative.
Meanwhile its intensity 20%~40% can be improved in Magnetized water cement.Variation of the aqueous solution after by magnetization treatment is than pure
Water is big.Wherein hydrone is polar molecule, and in light water, hydrone attracts each other to form macromolecular mass, not by macromolecular
The unimolecule that group attracts is water-dispersed between big micel.Compared with macromolecular mass, the physical and chemical activity of unimolecule water is stronger,
But since unimolecule water is seldom in light water, thus the activity of water is not high, cannot make the abundant aquation of cement, aquation can only be in water
Mud particle surface carries out.After magnetic water, macromolecular mass rupture becomes single hydrone and again proper alignment, increases moisture
Electrical attraction power between son.Since the physical and chemical activity and penetration of unimolecule water are stronger, can penetrate into inside cement granules,
Make the abundant aquation of cement, to improve the intensity of concrete.
Beneficial effects of the present invention are at least following one：
1. polyalcohol end group is an aliphatic group, there is independent hydrophobic grouping outside it, makes it have excellent mobility
Can, and with preferable dispersibility, be conducive to the flowing of cement powder, substitute part alcamines with the preferable propylene glycol of grinding aid
Compound can make the performance of cement more preferable, moreover it is possible to reduce cost.Calcium lignosulfonate has good dispersibility, Neng Gouti
High mill efficiency improves unit-hour output, reduces power consumption, moreover it is possible to promote each raw material component to play synergistic effect, improve cement
The adaptability of agent and cement.Acid flux material is merged for polyalcohol and lignin derivative, and alkaline lignin is used for neutralization reaction
Solution pH value is allowed to tend to the neutral chain tra nsfer for assisting carboxyl afterwards, improves final products stability, ethoxyl methyl cellulose ether
There is certain dispersibility with hydroxy-ethyl acrylate, the compression strength after blended cement, the sucrose monoester in auxiliary material can be improved
Or white sugar has the function of slow setting, the effect of reaching diminishing power saving by hydroxy compounds, hydroxycarboxylate and its derivative.
2. being capable of providing acidic environment in the preparation to merge for polyalcohol and lignin derivative, and it is capable of providing neutrality
Environment assists the chain tra nsfer of carboxyl, improves final products stability, after being mixed with special cement, is obviously improved compression strength.
3. replacing light water, Magnetized water cement that its intensity 20%~40% can be improved by magnetized water.Aqueous solution is by magnetic
Change treated variation it is bigger than pure water.Wherein hydrone is polar molecule, and in light water, hydrone attracts each other to be formed greatly
Micel, the unimolecule not attracted by macromolecular mass are water-dispersed between big micel.Compared with macromolecular mass, unimolecule water
Physical and chemical activity is stronger, but due in light water unimolecule water it is seldom, thus water activity it is not high, the abundant water of cement cannot be made
Change, aquation can only be carried out in cement particle surface.After magnetic water, macromolecular mass rupture becomes single hydrone and again whole
Neat arrangement, increases the electrical attraction power between hydrone.It, can since the physical and chemical activity and penetration of unimolecule water are stronger
It penetrates into inside cement granules, makes the abundant aquation of cement, to improve the intensity of concrete.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments to the present invention
It is described in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not used to limit
The fixed present invention.
Embodiment 1
Cement grinding aid is made based on following weight：
First 20 parts of polyalcohols, 3 parts of calcium lignosulfonates and 1 part of PH will be put into reaction for 2~3 a concentration of 50% hydrochloric acid solution
Kettle is mixed, and 3 parts of alkaline lignin is then added in a kettle, the pH value for adjusting mixture is 6, then is added in a kettle
Enter 3 parts of ethoxyl methyl cellulose ethers and 3 parts of hydroxy-ethyl acrylates, and stand 2h, finally by the mixture after standing from reaction
Agitator tank is imported in kettle, add 120 parts of magnetized water and 5 parts of sucrose monoesters and is stirred, and cement, which is made, after stirring 1h helps
Grinding agent mother liquor.
Embodiment 2
Cement grinding aid is made based on following weight：
First 80 parts of polyalcohols, 7 parts of calcium lignosulfonates and 4 parts of PH will be put into reaction for 2~3 a concentration of 50% sulfuric acid solution
Kettle is mixed, and 7 parts of alkaline lignin is then added in a kettle, the pH value for adjusting mixture is 8, then is added in a kettle
Enter 7 parts of ethoxyl methyl cellulose ethers and 7 parts of hydroxy-ethyl acrylates, and stand 3h, finally by the mixture after standing from reaction
Agitator tank is imported in kettle, add 200 parts of magnetized water and 10 parts of sucrose monoesters and is stirred, and cement is made after stirring 1.5h
Grinding aid.
Embodiment 3
Cement grinding aid is made based on following weight：
First 50 parts of polyalcohols, 5 parts of calcium lignosulfonates and 3 parts of PH will be put into reaction for 2~3 a concentration of 50% hydrochloric acid solution
Kettle is mixed, and 4 parts of alkaline lignin is then added in a kettle, the pH value for adjusting mixture is 7, then is added in a kettle
Enter 4 parts of ethoxyl methyl cellulose ethers and 5 parts of hydroxy-ethyl acrylates, and stand 2.5h, finally by the mixture after standing from anti-
It answers and imports agitator tank in kettle, add 160 parts of magnetized water and 8 parts of sucrose monoesters and be stirred, cement is made after stirring 1h
Grinding aid.
The cement grinding aid for selecting equal weight embodiment 1, embodiment 2 and embodiment 3 to prepare, is respectively labeled as first
Group, second group and third group, while the grinding aid of the existing market sale of equal weight being selected to be labeled as the 4th group, it is formulated by pressing
The following sodium metasilicate of mass ratio meter 20%；Calgon 15%；Ethoxyl methyl cellulose ether 20%；Remaining is water.
Four groups of cement grinding aids are mixed with cement, obtain four groups of test results
| Group | Mill output（t/h） | Raising efficiency（%） | 28d compression strength（MPa） | 28d flexural strengths（MPa） |
| First group | 63.57 | 25.74 | 50.21 | 7.9 |
| Second group | 66.33 | 31.66 | 50.37 | 8.1 |
| Third group | 68.17 | 38.94 | 52.89 | 8.7 |
| 4th group | 53.89 | 7.78 | 44.38 | 7.3 |
| 5th group | 52.00 | 0 | 41.3 | 7.1 |
Wherein the 5th group of selection does not use the cement of any grinding aid
Can be obtained from data above, grinding aid provided by the invention can be substantially improved mill output and with after cement mixing
The compression strength of 28d has big promotion compared with existing cement grinding aid with flexural strength, solves the system of existing cement grinding aid
There are final products stability is not good enough in standby, the undesirable problem of cement setting time and compression strength in cement is imported.
Grinding aid final effect made from across comparison formula provided by the invention is it is found that select the formula of third group simultaneously
Obtained grinding aid best results.
Claims (7)
1. a kind of Magnetic Cement grinding aid mother liquor for building, it is characterised in that：It is molten including polyalcohol, calcium lignosulfonate, acidity
Agent, alkaline lignin, ethoxyl methyl cellulose ether, hydroxy-ethyl acrylate, magnetized water and auxiliary material.
2. a kind of Magnetic Cement grinding aid mother liquor for building according to claim 1, it is characterised in that：In parts by weight,
The polyalcohol is 20~80 parts, calcium lignosulfonate is 3~7 parts, acid flux material is 1~4 part, alkaline lignin is 3~7
Part, ethoxyl methyl cellulose ether are 3~7 parts, hydroxy-ethyl acrylate is 3~7 parts, magnetized water is 120~200 parts and auxiliary material is
5~10 parts.
3. a kind of Magnetic Cement grinding aid mother liquor for building according to claim 2, it is characterised in that：In parts by weight,
The polyalcohol is 30~70 parts, calcium lignosulfonate is 4~6 parts, acid flux material is 1~3 part, alkaline lignin is 4~6
Part, ethoxyl methyl cellulose ether are 4~6 parts, hydroxy-ethyl acrylate is 4~6 parts, magnetized water is 140~180 parts and auxiliary material is
6~9 parts.
4. a kind of Magnetic Cement grinding aid mother liquor for building according to claim 3, it is characterised in that：In parts by weight,
The polyalcohol is 40~60 parts, calcium lignosulfonate is 4~5 parts, acid flux material is 2~3 parts, alkaline lignin is 4~5
Part, ethoxyl methyl cellulose ether are 4~5 parts, hydroxy-ethyl acrylate is 4~5 parts, magnetized water is 150~170 parts and auxiliary material is
7~9 parts.
5. a kind of Magnetic Cement grinding aid mother liquor for building according to claim 4, it is characterised in that：In parts by weight,
The polyalcohol is 50 parts, calcium lignosulfonate is 5 parts, acid flux material is 3 parts, alkaline lignin is 4 parts, hydroxyethyl methyl is fine
The plain ether of dimension is 4 parts, hydroxy-ethyl acrylate is 5 parts, magnetized water is 160 parts and auxiliary material is 8 parts.
6. a kind of Magnetic Cement grinding aid mother liquor for building according to claim 5, it is characterised in that：The acid flux material
It is one or more in a concentration of 50% sulfuric acid solution for being 2~3 for PH a concentration of 50% hydrochloric acid solutions for being 2~3 and PH.
7. a kind of Magnetic Cement grinding aid mother liquor for building according to claim 1, it is characterised in that：The auxiliary material is sugarcane
It is one or more in sugared monoesters and white sugar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507221.6A CN108640559A (en) | 2018-05-24 | 2018-05-24 | A kind of Magnetic Cement grinding aid mother liquor for building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810507221.6A CN108640559A (en) | 2018-05-24 | 2018-05-24 | A kind of Magnetic Cement grinding aid mother liquor for building |
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| CN108640559A true CN108640559A (en) | 2018-10-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342495A (en) * | 2013-07-04 | 2013-10-09 | 南京工业大学 | Pre-magnetization synergism device and method for liquid cement grinding aid |
| CN105236809A (en) * | 2015-07-29 | 2016-01-13 | 重庆市南川区海峰水泥有限公司 | Cement grinding aid |
| CN108002734A (en) * | 2017-11-30 | 2018-05-08 | 河南金润源建材科技有限公司 | A kind of cement grinding aid and its production method |
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2018
- 2018-05-24 CN CN201810507221.6A patent/CN108640559A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342495A (en) * | 2013-07-04 | 2013-10-09 | 南京工业大学 | Pre-magnetization synergism device and method for liquid cement grinding aid |
| CN105236809A (en) * | 2015-07-29 | 2016-01-13 | 重庆市南川区海峰水泥有限公司 | Cement grinding aid |
| CN108002734A (en) * | 2017-11-30 | 2018-05-08 | 河南金润源建材科技有限公司 | A kind of cement grinding aid and its production method |
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Application publication date: 20181012 |