CN107235651A - A kind of concrete nanometer crystallization self-compaction agent and preparation method thereof - Google Patents
A kind of concrete nanometer crystallization self-compaction agent and preparation method thereof Download PDFInfo
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- CN107235651A CN107235651A CN201710530110.2A CN201710530110A CN107235651A CN 107235651 A CN107235651 A CN 107235651A CN 201710530110 A CN201710530110 A CN 201710530110A CN 107235651 A CN107235651 A CN 107235651A
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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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- 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 proposes a kind of concrete nanometer crystallization self-compaction agent and preparation method thereof, solve in the prior art concrete because raw material design is unreasonable and then causes the problem of buildings leakage situation is serious, a kind of concrete nanometer crystallizes self-compaction agent, includes following raw material：9~11 parts of poly glycol monomethyl ether, 5~7 parts of maleic anhydride, 5~7 parts of hydroquinones, 50~53 parts of running water, 7~9 parts of nano aluminium oxide, 12~14 parts of cane molasses, 4~5 parts of sodium dichromate, raw material of the present invention instead of the water reducer of simple function, pumping admixture, retarder, swelling agent, waterproofing agent in concrete, realize the effect of " a thing multiple-effect ", decrease these additives and be used in mixed way the problem of easily chemical incompatibility occur, water leakage situation is few in practice process, Building life cycle is long, there is obvious social benefit.
Description
Technical field
The present invention relates to building material technical field, a kind of concrete nanometer crystallization self-compaction agent and its preparation are particularly related to
Method.
Background technology
In the building of China, underground engineering such as basement, subway, tunnel, cave depot, piping lane, underground pedestrian passageway etc.
The leakage problem of engineering is still one of commonplace common quality defect in domestic construction engineering, is also whole world engineering technology
The main bugbear of personnel's research.The different degrees of percolating water of China's underground engineering accounts for more than 95%, and leak stopping maintenance cost is larger.Underground
Engineering leakage water causes structure reinforcing bars corrosion, and stiffness significantly declines, concrete expansion destruction, design life be 50~
Drop within 100 years 20~30 years, cause serious property and economic loss, more threatened people's life safety.Cause coagulation
The main cause of native water leakage situation is that proportioning of the raw material of selected concrete not between science, and each raw material has gone out to ask
The additive of chloride ion-containing or alkali, Corrosion Reinforcement so that building service life is low are with the addition of in topic, such as concrete.
The content of the invention
The present invention proposes a kind of concrete nanometer crystallization self-compaction agent and preparation method thereof, solves coagulation in the prior art
Soil is because raw material design is unreasonable and then causes the problem of buildings leakage situation is serious.
The technical proposal of the invention is realized in this way：A kind of concrete nanometer crystallizes self-compaction agent, includes following weight
Part raw material：
9~11 parts of poly glycol monomethyl ether, 5~7 parts of maleic anhydride, 5~7 parts of hydroquinones, 50~53 parts of running water, receive
7~9 parts of aluminum oxide of rice, 12~14 parts of cane molasses, 4~5 parts of sodium dichromate.
It is preferred that, include following raw material：
10 parts of poly glycol monomethyl ether, 6 parts of maleic anhydride, 6 parts of hydroquinones, 52.5 parts of running water, nano aluminium oxide 8
Part, 13 parts of cane molasses, 4.5 parts of sodium dichromate.
The present invention proposes that a kind of concrete nanometer crystallizes the preparation method of self-compaction agent again, comprises the steps of：
Weigh 9~11 parts of poly glycol monomethyl ether, 5~7 parts of maleic anhydride, 5~7 parts of hydroquinones, running water 52~53
Part, it is placed in container and stirs 1~3 hour, stands 3~5 hours, then 7~9 parts of nano aluminium oxide of addition, sugarcane into container
12~14 parts of molasses, 4~5 parts of sodium dichromate, uniform stirring 3 hours stand 4 hours, and regulation pH value is 7~9, and density 35%~
45%, filtering carries out metering packing, storage to filtrate, produced.
Beneficial effects of the present invention：
1) raw material of the present invention instead of the water reducer of simple function, pumping admixture, retarder, swelling agent, waterproof in concrete
Agent, realizes the effect of " a thing multiple-effect ", decreases these additives and is used in mixed way the problem of easily chemical incompatibility occur,
Water leakage situation is few in practice process, Building life cycle is long, there is obvious social benefit；
2) there is certain dilatancy, expansion rate is 0.6 × 10-4, compensation anti-crack function is played to concrete shrinkage；
3) concrete water-proof anti-permeability performance, it is anti-to mix grade up to more than S20；
4) efficient diminishing, water-reducing rate is more than 25%, meets construction pumping work requirement, and reduction unit consumption of water improves and protected
Water cohesiveness, concrete is difficult bleeding in transportation, and isolation is not produced, this to adapt to summer temperature height, transportation range length,
Slow setting when mass concrete is poured into a mould requires particularly important.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment one
A kind of concrete nanometer crystallizes the preparation method of self-compaction agent, comprises the steps of：
9 parts of poly glycol monomethyl ether, 5 parts of maleic anhydride, 5 parts of hydroquinones, 52 parts of running water are weighed, is placed in container
Stirring 1~3 hour, stands 3~5 hours, then 7 parts of nano aluminium oxide of addition, 12 parts of cane molasses, sodium dichromate 4 into container
Part, uniform stirring 3 hours stands 4 hours, and regulation pH value is 7, density 38%, filtering, and metering packing, storage are carried out to filtrate,
Produce.
Embodiment two
A kind of concrete nanometer crystallizes the preparation method of self-compaction agent, comprises the steps of：
10 parts of poly glycol monomethyl ether, 6 parts of maleic anhydride, 6 parts of hydroquinones, 52.5 parts of running water are weighed, is placed in into appearance
Stirred 1~3 hour in device, stand 3~5 hours, then 8 parts of nano aluminium oxide of addition, 13 parts of cane molasses, dichromic acid into container
4.5 parts of sodium, uniform stirring 3 hours, stand 4 hours, regulation pH value be 8, density 40%, filtering, to filtrate carry out metering packing,
Storage, is produced.
Embodiment three
A kind of concrete nanometer crystallizes the preparation method of self-compaction agent, comprises the steps of：
11 parts of poly glycol monomethyl ether, 7 parts of maleic anhydride, 7 parts of hydroquinones, 53 parts of running water are weighed, is placed in into container
Middle stirring 1~3 hour, stands 3~5 hours, then 9 parts of nano aluminium oxide of addition, 14 parts of cane molasses, sodium dichromate into container
5 parts, uniform stirring 3 hours stands 4 hours, and regulation pH value is 8, density 41%, filtering, and metering packing is carried out to filtrate, is entered
Storehouse, is produced.
The concrete of the present invention is tested, table 1 below and the data of table 2 is obtained：
The mechanics of the concrete of table 1 makees performance
| Mechanical property | Embodiment one | Embodiment two | Embodiment three |
| 7d compression strength (MPa) | 46.1 | 49.8 | 47.6 |
| 14d expansion rates | 3.0×10-4 | 3.2×10-4 | 3.0×10-4 |
| 28d compression strength (MPa) | 58.4 | 61.0 | 59.2 |
| 28d modulus of elasticity (MPa) | 4.8×104 | 5.5×104 | 5.1×104 |
The working performance of concrete table of table 2
As can be seen that the concrete of the present invention has the characteristics that from the data of above-mentioned Tables 1 and 2：
1st, it can be on the premise of normal working performance be met, while also ensure that sufficiently compensation is shunk；
2nd, it is easy to pour, construction is quick, reduces live manpower, raise labour productivity, work well, reduce engineering cost
With；
3rd, for the underground waterproof concrete of super-long and super-wide, due to efficient diminishing water conservation, improve 28d intensity and reduce cement use
Amount, and with expansion compensation effect, improve compactness.Greatly reduce concrete shrinkage deformation, cracking is reduced or avoided, after can making
Band spacing is poured suitably to increase.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (3)
1. a kind of concrete nanometer crystallizes self-compaction agent, it is characterised in that include following raw material：
9~11 parts of poly glycol monomethyl ether, 5~7 parts of maleic anhydride, 5~7 parts of hydroquinones, 50~53 parts of running water, nano oxygen
Change 7~9 parts of aluminium, 12~14 parts of cane molasses, 4~5 parts of sodium dichromate.
2. a kind of concrete nanometer crystallization self-compaction agent as claimed in claim 1, it is characterised in that former comprising following parts by weight
Material：
10 parts of poly glycol monomethyl ether, 6 parts of maleic anhydride, 6 parts of hydroquinones, 52.5 parts of running water, it is 8 parts of nano aluminium oxide, sweet
13 parts of cane molasses, 4.5 parts of sodium dichromate.
3. a kind of concrete nanometer as claimed in claim 1 or 2 crystallizes the preparation method of self-compaction agent, it is characterised in that bag
Containing following steps：
9~11 parts of poly glycol monomethyl ether, 5~7 parts of maleic anhydride, 5~7 parts of hydroquinones, 52~53 parts of running water are weighed, is put
Stirred 1~3 hour in entering in container, stand 3~5 hours, then 7~9 parts of nano aluminium oxide of addition, cane molasses 12 into container
~14 parts, 4~5 parts of sodium dichromate, uniform stirring 3 hours stand 4 hours, and regulation pH value is 7~9, density 35%~45%,
Filtering, metering packing, storage are carried out to filtrate, is produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530110.2A CN107235651A (en) | 2017-06-30 | 2017-06-30 | A kind of concrete nanometer crystallization self-compaction agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530110.2A CN107235651A (en) | 2017-06-30 | 2017-06-30 | A kind of concrete nanometer crystallization self-compaction agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107235651A true CN107235651A (en) | 2017-10-10 |
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| CN201710530110.2A Pending CN107235651A (en) | 2017-06-30 | 2017-06-30 | A kind of concrete nanometer crystallization self-compaction agent and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575403A (en) * | 2008-07-31 | 2009-11-11 | 北京市建筑工程研究院 | Polymerization method for preparing polycarboxylic high-efficiency water-reducing agent |
| CN101838122A (en) * | 2009-03-20 | 2010-09-22 | 上海彭浦特种耐火材料厂 | Compound additive of unshaped refractory material system, preparation method and application |
| CN102229478A (en) * | 2011-04-08 | 2011-11-02 | 江苏博特新材料有限公司 | Preparation method of molasses retarding water reducer and application thereof |
| CN102531458A (en) * | 2010-12-09 | 2012-07-04 | 苏笮斌 | Anti-crack and anti-corrosion plasticizer composition and preparation method thereof |
| CN103588969A (en) * | 2013-10-24 | 2014-02-19 | 中科院广州化学有限公司 | Polyethylene glycol methyl ether maleate, and preparation method and application thereof |
| CN105693135A (en) * | 2015-12-25 | 2016-06-22 | 江苏苏博特新材料股份有限公司 | Cement concrete inner-doping waterproof agent and preparing method thereof |
-
2017
- 2017-06-30 CN CN201710530110.2A patent/CN107235651A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575403A (en) * | 2008-07-31 | 2009-11-11 | 北京市建筑工程研究院 | Polymerization method for preparing polycarboxylic high-efficiency water-reducing agent |
| CN101838122A (en) * | 2009-03-20 | 2010-09-22 | 上海彭浦特种耐火材料厂 | Compound additive of unshaped refractory material system, preparation method and application |
| CN102531458A (en) * | 2010-12-09 | 2012-07-04 | 苏笮斌 | Anti-crack and anti-corrosion plasticizer composition and preparation method thereof |
| CN102229478A (en) * | 2011-04-08 | 2011-11-02 | 江苏博特新材料有限公司 | Preparation method of molasses retarding water reducer and application thereof |
| CN103588969A (en) * | 2013-10-24 | 2014-02-19 | 中科院广州化学有限公司 | Polyethylene glycol methyl ether maleate, and preparation method and application thereof |
| CN105693135A (en) * | 2015-12-25 | 2016-06-22 | 江苏苏博特新材料股份有限公司 | Cement concrete inner-doping waterproof agent and preparing method thereof |
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Application publication date: 20171010 |
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