CN110467371A - A kind of agent on crack resistance of concrete chamotte mould water-reducing agent - Google Patents
A kind of agent on crack resistance of concrete chamotte mould water-reducing agent Download PDFInfo
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- CN110467371A CN110467371A CN201910638448.9A CN201910638448A CN110467371A CN 110467371 A CN110467371 A CN 110467371A CN 201910638448 A CN201910638448 A CN 201910638448A CN 110467371 A CN110467371 A CN 110467371A
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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
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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 invention discloses a kind of agent on crack resistance of concrete chamotte mould water-reducing agents, it is related to technical field of concrete, it includes following components in terms of mass fraction that it, which is formulated: 10-15 parts of maleic anhydride, 20-25 parts of acrylic acid, 5-10 parts of neopelex, 25-27 parts of potassium permanganate, 5-7 parts of sodium hydroxide, 10-13 parts of propylene glycol monomethyl ether, water-soluble dextrin 10-15 parts, 2-3 parts of initiator, surplus is water.The agent on crack resistance of concrete chamotte mould water-reducing agent, effectively raw material can be melted, increase mixed effect, pass through being equipped between neopelex, potassium permanganate, sodium hydroxide, propylene glycol monomethyl ether and water-soluble dextrin, so that this water-reducing agent can effectively reduce absorption of the clay to water-reducing agent after mixing with concrete, so that water-reducing agent plays one's part to the full, improve water-reducing rate, the effective compression strength for keeping concrete, water-reducing agent intensity is high, performance is good, improves the service life of concrete performance extension concrete.
Description
Technical field
The present invention relates to technical field of concrete, specially a kind of agent on crack resistance of concrete chamotte mould water-reducing agent.
Background technique
Concrete refers to the general designation for the cementing integral engineered composite material that gathers materials by cementitious material.The coagulation usually said
A native word, which refers to, makees cementitious material with cement, and sand, masonry gather materials；Match by a certain percentage with water (additive and admixture can be contained)
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.
In concrete whipping process, by clay adsorption a part, the water-reducing agent being adsorbed loses existing water-reducing agent
The function of its diminishing, so that the water-reducing rate of polycarboxylate dehydragent reduces, the water-reducing agent that is adsorbed with the increase of clay content
Also increase, therefore as the increase water-reducing rate for clay content of gathering materials also just decreases, protect effect variation of collapsing, for this purpose, we provide
A kind of agent on crack resistance of concrete chamotte mould water-reducing agent solves the problems, such as this.
Summary of the invention
The object of the present invention is to provide a kind of agent on crack resistance of concrete chamotte mould water-reducing agents, solve clay adsorption water-reducing agent, cause to subtract
The problem of water rate reduces.
The present invention is in order to solve the above technical problems, provide the following technical solutions: a kind of agent on crack resistance of concrete chamotte mould water-reducing agent is matched
Side includes following components in terms of mass fraction: 10-15 parts of maleic anhydride, 20-25 parts of acrylic acid, and neopelex 5-10
Part, 25-27 parts of potassium permanganate, 5-7 parts of sodium hydroxide, 10-13 parts of propylene glycol monomethyl ether, water-soluble dextrin 10-15 parts, initiator 2-
3 parts, surplus is water.
Further, formula includes following components in terms of mass fraction: 11-14 parts of maleic anhydride, acrylic acid 21-24
Part, it is 6-9 parts of neopelex, 25-27 parts of potassium permanganate, 5-7 parts of sodium hydroxide, 11-13 parts of propylene glycol monomethyl ether, water-soluble
12-14 parts of dextrin of property, 2-3 parts of initiator, surplus is water.
Further, formula includes following components in terms of mass fraction: 13 parts of maleic anhydride, 23 parts of acrylic acid, and 12
7 parts of sodium alkyl benzene sulfonate, 26 parts of potassium permanganate, 6 parts of sodium hydroxide, 12 parts of propylene glycol monomethyl ether, 13 parts of water-soluble dextrin, initiator
2 parts, surplus is water.
Further, the preparation method includes the following steps；
S1 is put into reaction kettle after weighing maleic anhydride, acrylic acid, neopelex and a part of water
Portion melts and is uniformly mixed spare；
S2, it is primary after being uniformly mixed to mixed liquor in step S1 that potassium permanganate and sodium hydroxide is added, continues to mix 20-
30 minutes；
S3 seals reaction kettle, and temperature is promoted to 80-90 DEG C, keeps the temperature 1 hour later；
Temperature of reaction kettle is reduced between 30-35 DEG C by S4, is continuesd to mix, while injecting propylene glycol monomethyl ether and initiator
Continue stirring 20 minutes；
Water-soluble dextrin and remaining water are injected reaction finally when temperature of reaction kettle is reduced to 20-25 DEG C by S5 simultaneously
Inside kettle, stir 30 minutes, placing half an hour later is to obtain agent on crack resistance of concrete chamotte mould water-reducing agent
Further, the initiator is ammonium sulfate, potassium peroxydisulfate or sodium peroxydisulfate
Further, the molecular weight of the methylallyl alcohol polyoxyethylene ether is 2000-2500.
Further, temperature of reaction kettle should remain 20-30 degree in the step S1.
Further, the reaction kettle revolving speed should remain 2000r/min.
Compared with prior art, the agent on crack resistance of concrete chamotte mould water-reducing agent have it is following the utility model has the advantages that
1, the present invention passes through maleic anhydride, acrylic acid, neopelex, potassium permanganate, sodium hydroxide, propylene glycol
Being equipped between methyl ether and water-soluble dextrin, so that this water-reducing agent can effectively reduce clay after mixing with concrete
Absorption to water-reducing agent improves water-reducing rate, effectively keeps the compression strength of concrete so that water-reducing agent plays one's part to the full,
Water-reducing agent intensity is high, performance is good, improves the service life of concrete performance extension concrete.
2, the present invention should remain the setting of 20-30 degree by temperature of reaction kettle in step S1, can be effectively by raw material
Melted, increases mixed effect；
3, reaction kettle revolving speed of the present invention should remain 2000r/min, can effectively realize and carry out plurality of raw materials sufficiently
Mixing.
Specific embodiment
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one
A kind of agent on crack resistance of concrete chamotte mould water-reducing agent, formula include following components in terms of mass fraction: 10 parts of maleic anhydride, third
20 parts of olefin(e) acid, 5 parts of neopelex, 25 parts of potassium permanganate, 5 parts of sodium hydroxide, 10 parts of propylene glycol monomethyl ether, water solubility paste
10 parts of essence, 2 parts of initiator, surplus is water.
Preparation method includes the following steps；
S1 is put after weighing 10 parts of maleic anhydride, 20 parts of acrylic acid, 5 parts of neopelex and a part of water
Enter inside reaction kettle, melt and be uniformly mixed and is spare；
S2, it is primary after being uniformly mixed to mixed liquor in step S1 to be added 25 parts and 5 parts of sodium hydroxide of potassium permanganate, continue
Mixing 20-30 minutes；
S3 seals reaction kettle, and temperature is promoted to 80-90 DEG C, keeps the temperature 1 hour later；
Temperature of reaction kettle is reduced between 30-35 DEG C by S4, is continuesd to mix, while being injected 10 parts of propylene glycol monomethyl ether and being drawn
2 parts of agent of hair continues stirring 20 minutes；
S5 injects 10 parts of water-soluble dextrin and remaining water finally when temperature of reaction kettle is reduced to 20-25 DEG C simultaneously
Inside reaction kettle, stir 30 minutes, placing half an hour later is to obtain agent on crack resistance of concrete chamotte mould water-reducing agent.
Embodiment two
A kind of agent on crack resistance of concrete chamotte mould water-reducing agent, formula include following components in terms of mass fraction: 13 parts of maleic anhydride, third
23 parts of olefin(e) acid, 7 parts of neopelex, 26 parts of potassium permanganate, 6 parts of sodium hydroxide, 12 parts of propylene glycol monomethyl ether, water solubility paste
13 parts of essence, 2 parts of initiator, surplus is water.
Preparation method includes the following steps；
S1 is put after weighing 13 parts of maleic anhydride, 23 parts of acrylic acid, 7 parts of neopelex and a part of water
Enter inside reaction kettle, melt and be uniformly mixed and is spare；
S2, it is primary after being uniformly mixed to mixed liquor in step S1 that 26 parts of potassium permanganate and 6 parts of parts of sodium hydroxide are added, after
Continuous mixing 20-30 minutes；
S3 seals reaction kettle, and temperature is promoted to 80-90 DEG C, keeps the temperature 1 hour later；
Temperature of reaction kettle is reduced between 30-35 DEG C by S4, is continuesd to mix, while being injected 12 parts of propylene glycol monomethyl ether and being drawn
2 parts of agent of hair continues stirring 20 minutes；
S5 injects 13 parts of water-soluble dextrin and remaining water finally when temperature of reaction kettle is reduced to 20-25 DEG C simultaneously
Inside reaction kettle, stir 30 minutes, placing half an hour later is to obtain agent on crack resistance of concrete chamotte mould water-reducing agent.
Embodiment three
A kind of agent on crack resistance of concrete chamotte mould water-reducing agent, formula include following components in terms of mass fraction: 15 parts of maleic anhydride, third
It is 25 parts of olefin(e) acid, 10 parts of neopelex, 27 parts of potassium permanganate, 7 parts of sodium hydroxide, 13 parts of propylene glycol monomethyl ether, water-soluble
15 parts of dextrin, 3 parts of initiator, surplus is water.
Preparation method includes the following steps；
S1 is put after weighing 15 parts of maleic anhydride, 25 parts of acrylic acid, 10 parts of neopelex and a part of water
Enter inside reaction kettle, melt and be uniformly mixed and is spare；
S2, it is primary after being uniformly mixed to mixed liquor in step S1 to be added 27 parts and 7 parts of sodium hydroxide of potassium permanganate, continue
Mixing 20-30 minutes；
S3 seals reaction kettle, and temperature is promoted to 80-90 DEG C, keeps the temperature 1 hour later；
Temperature of reaction kettle is reduced between 30-35 DEG C by S4, is continuesd to mix, while being injected 13 parts of propylene glycol monomethyl ether and being drawn
3 parts of agent of hair continues stirring 20 minutes；
S5 injects 15 parts of water-soluble dextrin and remaining water finally when temperature of reaction kettle is reduced to 20-25 DEG C simultaneously
Inside reaction kettle, stir 30 minutes, placing half an hour later is to obtain agent on crack resistance of concrete chamotte mould water-reducing agent.
At random take agent on crack resistance of concrete chamotte mould water-reducing agent and the anti-chamotte mould water-reducing agent efficacy detection of existing concrete the result is as follows:
| Project | Volume | Water-reducing rate |
| Embodiment one | 1.5% | 27.3% |
| Embodiment two | 1.5% | 27.5% |
| Embodiment three | 1.5% | 27.7% |
| Existing water-reducing agent | 1.5% | 18.3% |
Show that this water-reducing agent can effectively reduce suction of the clay to water-reducing agent after mixing with concrete by comparison
It is attached, so that water-reducing agent plays one's part to the full, water-reducing rate is improved, effectively the compression strength of holding concrete, water-reducing agent intensity height,
Performance is good, improves the service life of concrete performance extension concrete.
Claims (8)
1. a kind of agent on crack resistance of concrete chamotte mould water-reducing agent, it is characterised in that: it includes following components: maleic acid in terms of mass fraction that it, which is formulated,
10-15 parts of acid anhydride, 20-25 parts of acrylic acid, 5-10 parts of neopelex, 25-27 parts of potassium permanganate, 5-7 parts of sodium hydroxide,
10-13 parts of propylene glycol monomethyl ether, water-soluble dextrin 10-15 parts, 2-3 parts of initiator, surplus is water.
2. a kind of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 1, it is characterised in that: it is formulated in terms of mass fraction
Include following components: 11-14 parts of maleic anhydride, 21-24 parts of acrylic acid, 6-9 parts of neopelex, potassium permanganate 25-
27 parts, 5-7 parts of sodium hydroxide, 11-13 parts of propylene glycol monomethyl ether, water-soluble dextrin 12-14 parts, 2-3 parts of initiator, surplus is water.
3. a kind of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 1, it is characterised in that: it is formulated in terms of mass fraction
Include following components: 13 parts of maleic anhydride, 23 parts of acrylic acid, 7 parts of neopelex, 26 parts of potassium permanganate, hydroxide
6 parts of sodium, 12 parts of propylene glycol monomethyl ether, 13 parts of water-soluble dextrin, 2 parts of initiator, surplus is water.
4. a kind of preparation method of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 1, it is characterised in that: preparation method
Include the following steps；
S1 is put into inside reaction kettle after weighing maleic anhydride, acrylic acid, neopelex and a part of water, melts
Change and is uniformly mixed spare；
S2, it is primary after being uniformly mixed to mixed liquor in step S1 that potassium permanganate and sodium hydroxide is added, continues to mix 20-30 points
Clock；
S3 seals reaction kettle, and temperature is promoted to 80-90 DEG C, keeps the temperature 1 hour later；
Temperature of reaction kettle is reduced between 30-35 DEG C by S4, is continuesd to mix, while injecting propylene glycol monomethyl ether and initiator continuation
Stirring 20 minutes；
S5 injects water-soluble dextrin and remaining water in reaction kettle finally when temperature of reaction kettle is reduced to 20-25 DEG C simultaneously
Portion is stirred 30 minutes, and placing half an hour later is to obtain agent on crack resistance of concrete chamotte mould water-reducing agent.
5. a kind of preparation method of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 4, it is characterised in that: the initiation
Agent is ammonium sulfate, potassium peroxydisulfate or sodium peroxydisulfate.
6. a kind of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 1, it is characterised in that: the methylallyl alcohol polyoxy
The molecular weight of vinethene is 2000-2500.
7. a kind of preparation method of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 4, it is characterised in that: the step
Temperature of reaction kettle should remain 20-30 degree in S1.
8. a kind of preparation method of agent on crack resistance of concrete chamotte mould water-reducing agent according to claim 4, it is characterised in that；The reaction
Kettle revolving speed should remain 2000r/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638448.9A CN110467371A (en) | 2019-07-16 | 2019-07-16 | A kind of agent on crack resistance of concrete chamotte mould water-reducing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638448.9A CN110467371A (en) | 2019-07-16 | 2019-07-16 | A kind of agent on crack resistance of concrete chamotte mould water-reducing agent |
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| CN110467371A true CN110467371A (en) | 2019-11-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050267256A1 (en) * | 2004-05-31 | 2005-12-01 | Nippon Shokubai Co., Ltd. | Emulsion, production method thereof and use thereof |
| CN103772623A (en) * | 2013-12-30 | 2014-05-07 | 大连市铭源全科技开发有限公司 | Anti-sludge concrete water reducer and preparation method thereof |
| CN106749901A (en) * | 2015-11-20 | 2017-05-31 | 衡阳市银利实业有限公司 | A kind of method for preparing anti-chamotte mould cement water reducing agent |
| WO2017113992A1 (en) * | 2015-12-31 | 2017-07-06 | 江苏苏博特新材料股份有限公司 | Phosphorylated polycondensate as high efficiency water reducing agent and preparation method thereof |
-
2019
- 2019-07-16 CN CN201910638448.9A patent/CN110467371A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050267256A1 (en) * | 2004-05-31 | 2005-12-01 | Nippon Shokubai Co., Ltd. | Emulsion, production method thereof and use thereof |
| CN103772623A (en) * | 2013-12-30 | 2014-05-07 | 大连市铭源全科技开发有限公司 | Anti-sludge concrete water reducer and preparation method thereof |
| CN106749901A (en) * | 2015-11-20 | 2017-05-31 | 衡阳市银利实业有限公司 | A kind of method for preparing anti-chamotte mould cement water reducing agent |
| WO2017113992A1 (en) * | 2015-12-31 | 2017-07-06 | 江苏苏博特新材料股份有限公司 | Phosphorylated polycondensate as high efficiency water reducing agent and preparation method thereof |
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Application publication date: 20191119 |