CN106116220A - Concrete air-entrainer - Google Patents
Concrete air-entrainer Download PDFInfo
- Publication number
- CN106116220A CN106116220A CN201610471716.9A CN201610471716A CN106116220A CN 106116220 A CN106116220 A CN 106116220A CN 201610471716 A CN201610471716 A CN 201610471716A CN 106116220 A CN106116220 A CN 106116220A
- Authority
- CN
- China
- Prior art keywords
- parts
- concrete
- entrainer
- air
- concrete air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/304—Air-entrainers
Abstract
The invention belongs to technical field of concrete additives, particularly to a kind of concrete air-entrainer, be made up of the raw material of following weight portion: Colophonium powder 40～60 parts, sodium hydroxide 10～18 parts, sulphuric acid 6～16 parts, ethylene glycol 8～18 parts, bisphenol-A 5～13 parts, tetramethylolmethane 7～15 parts, water 90～130 parts.When concrete air-entrainer of the present invention is applied in concrete, bubble is stable, and size to fit is evenly distributed, additionally it is possible to improves the intensity of concrete, improves the workability of concrete.
Description
Technical field
The invention belongs to technical field of concrete additives, particularly to a kind of concrete air-entrainer.
Background technology
Concrete air-entrainer can be effectively improved the workability of concrete, reduces bleeding performance, substantially improves mixed simultaneously
The freeze proof anti-permeability performance of solidifying soil, is suitable for the important engineering xoncrete structures such as airport, harbor work and bridge, spreads for severe cold area
The Concrete Highway of cryosel, bridge are even more important.Additionally, the configuration of these concrete usually uses flyash mix as activity
And material, to improve the workability of fresh concrete, and reduce the temperature contracting cracking trend of mass concrete.But application finds, portion
Divide the flyash that loss on ignition is higher because containing unburned carbon granules, usually reducing the bleed effect of air entraining agent.
In commerical ready-mixed concrete, the air entraining agent of serviceability high-quality, it is remarkably improved plastic concrete and maturing
Properties, and the cost of additive and concrete can also be reduced.The research of excellent air entraining agent and application are China's coagulations
Soil and the needs of additive development thereof and certainty, the exploitation of air entraining agent, promotion and application are of far-reaching significance, should be Future Development height
The indispensable additive of energy concrete.But existing air entraining agent exist introduce that bubble structure is unreasonable, skewness, bubble not
The deficiencies such as stable, size is improper, it is impossible to the effectively workability of fresh concrete, and improve the durability of maturing,
Poor with the plyability of other concrete admixture.
Summary of the invention
The technical problem to be solved is to provide concrete air-entrainer, and in concrete during application, bubble is stable,
Size to fit, is evenly distributed, additionally it is possible to improves the intensity of concrete, improves the workability of concrete.
For achieving the above object, technical scheme to be solved by this invention is:
The present invention provides concrete air-entrainer, is made up of the raw material of following weight portion: Colophonium powder 40～60 parts, sodium hydroxide
10～18 parts, sulphuric acid 6～16 parts, ethylene glycol 8～18 parts, bisphenol-A 5～13 parts, tetramethylolmethane 7～15 parts, water 90～130 parts.
Preferably, concrete air-entrainer of the present invention, it is made up of the raw material of following weight portion: Colophonium powder 50 parts, hydrogen
Sodium oxide 14 parts, 11 parts of sulphuric acid, ethylene glycol 13 parts, bisphenol-A 9 parts, tetramethylolmethane 11 parts, 110 parts of water.
Preferably, Colophonium powder particle diameter of the present invention is 2～10 μm.In the raw material of the present invention, Colophonium powder can be special,
One, two, three, four or Pyatyi, but for saving composition, the present invention preferably one, two, three common rosin powder, use common Colophonium
The air entraining agent that powder prepares has reached fabulous performance.The Colophonium powder that the present invention selects particle diameter to be 2～10 μm, significantly overcomes
The deficiency that liquid air entraining agent long term storage Colophonium separates out, improves reaction efficiency simultaneously, significantly improves the adaptability with concrete, with
And with the plyability of other concrete admixtures, be particularly combined with poly-acid water reducer of completing, bleed performance is good, concrete and easily
Property and excellent strength.
Preferably, the mass concentration of sodium hydroxide of the present invention is 30～40%.Under this concentration of sodium hydroxide, preparation
Go out air entraining agent excellent performance, bubble is stable, size to fit, and the air entraining agent stable storing prepared, longer-term storage is without bright
Aobvious precipitation.
Preferably, the mass concentration of sulphuric acid of the present invention is 20～40%.Sulphuric acid is under this concentration, and prepare draws
Gas agent is good with the adaptability of concrete, and can significantly improve the plyability with other additive, and the air entraining agent prepared adds
Time in concrete bubble structure rationally, be evenly distributed.
The air entraining agent of the present invention is in the application of concrete, and volume is 0.01%～0.05%, by weight, if volume
More than 0.05%, placement a period of time has precipitation and generates, if less than 0.01%, and bleed weak effect, even do not reach interpolation
The effect of air entraining agent.
Compared with prior art, the beneficial effects of the present invention is:
1, the concrete air-entrainer of the present invention add in concrete bubble structure rationally, be evenly distributed, bubble is stable, big
Little properly, in concrete during application, air content after standing one hour reduces by 4～9%, and air content is lost less, has
Excellent foam stabilizing effect.
2, bleeding rate significantly reduces, and water-reducing rate significantly improves, and through test, compared with normal concrete, water-reducing rate is more than
8%, bleeding rate reduces by 40%.
3, having good cryoprotective effects, through measuring, freeze thawing resistance cycle-index is up to more than 250 times.
4, the workability of concrete is significantly improved, good with the plyability of other additive, with the adaptability of various concrete
By force, stable storing, deposit 18 months, without obvious sediment.
5, while having good air-entraining effect, the rupture strength of concrete can also improve, and through test, mixes with benchmark
Solidifying soil phase ratio, when air content is not more than 5%, concrete flexural strength can improve 18～26%, 7d and 28d compressive strength rate is equal
More than 95%.
6, the concrete air-entrainer of present invention effect corrosion-free to reinforcing bar.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the invention is not limited in these embodiments.
Embodiment 1
Concrete air-entrainer, is made up of the raw material of following weight portion: Colophonium powder (particle diameter is 2 μm) 60 parts, sodium hydroxide (matter
Amount concentration is 30%) 18 parts, 16 parts of sulphuric acid (mass concentration is 20%), ethylene glycol 8 parts, bisphenol-A 13 parts, tetramethylolmethane 7 parts,
130 parts of water.
The preparation method of above-mentioned concrete air-entrainer is: mixed by whole raw materials, stirs 30min, puts in reactor, rises
High-temperature, to 85 DEG C, is incubated 50min, can obtain.
Embodiment 2
Concrete air-entrainer, is made up of the raw material of following weight portion: Colophonium powder (particle diameter is 4 μm) 55 parts, sodium hydroxide (matter
Amount concentration is 32%) 16 parts, 14 parts of sulphuric acid (mass concentration is 25%), ethylene glycol 11 parts, bisphenol-A 11 parts, tetramethylolmethane 9 parts,
120 parts of water.
The preparation method of above-mentioned concrete air-entrainer is: mixed by whole raw materials, stirs 30min, puts in reactor, rises
High-temperature, to 85 DEG C, is incubated 50min, can obtain.
Embodiment 3
Concrete air-entrainer, is made up of the raw material of following weight portion: Colophonium powder (particle diameter is 6 μm) 50 parts, sodium hydroxide (matter
Amount concentration is 35%) 14 parts, 11 parts of sulphuric acid (mass concentration is 30%), ethylene glycol 13 parts, bisphenol-A 9 parts, tetramethylolmethane 11 parts,
110 parts of water.
The preparation method of above-mentioned concrete air-entrainer is: mixed by whole raw materials, stirs 30min, puts in reactor, rises
High-temperature, to 85 DEG C, is incubated 50min, can obtain.
Embodiment 4
Concrete air-entrainer, is made up of the raw material of following weight portion: Colophonium powder (particle diameter is 8 μm) 45 parts, sodium hydroxide (matter
Amount concentration is 38%) 12 parts, 9 parts of sulphuric acid (mass concentration is 35%), ethylene glycol 13 parts, bisphenol-A 7 parts, tetramethylolmethane 13 parts,
100 parts of water.
The preparation method of above-mentioned concrete air-entrainer is: mixed by whole raw materials, stirs 30min, puts in reactor, rises
High-temperature, to 85 DEG C, is incubated 50min, can obtain.
Embodiment 5
Concrete air-entrainer, is made up of the raw material of following weight portion: Colophonium powder (particle diameter is 10 μm) 40 parts, sodium hydroxide
(mass concentration is 40%) 10 parts, 6 parts of sulphuric acid (mass concentration is 40%), ethylene glycol 18 parts, bisphenol-A 5 parts, tetramethylolmethane 15
Part, 90 parts of water.
The preparation method of above-mentioned concrete air-entrainer is: mixed by whole raw materials, stirs 30min, puts in reactor, rises
High-temperature, to 85 DEG C, is incubated 50min, can obtain.
Claims (5)
1. concrete air-entrainer, it is characterised in that be made up of the raw material of following weight portion: Colophonium powder 40～60 parts, sodium hydroxide
10～18 parts, sulphuric acid 6～16 parts, ethylene glycol 8～18 parts, bisphenol-A 5～13 parts, tetramethylolmethane 7～15 parts, water 90～130 parts.
Concrete air-entrainer the most according to claim 1, it is characterised in that be made up of the raw material of following weight portion: Colophonium
50 parts of powder, sodium hydroxide 14 parts, 11 parts of sulphuric acid, ethylene glycol 13 parts, bisphenol-A 9 parts, tetramethylolmethane 11 parts, 110 parts of water.
Concrete air-entrainer the most according to claim 1 and 2, it is characterised in that: described Colophonium powder particle diameter is 2～10 μm.
Concrete air-entrainer the most according to claim 1 and 2, it is characterised in that: the mass concentration of described sodium hydroxide is
30～40%.
Concrete air-entrainer the most according to claim 1 and 2, it is characterised in that: the mass concentration of described sulphuric acid be 20～
40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471716.9A CN106116220B (en) | 2016-06-24 | 2016-06-24 | Concrete air-entrainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471716.9A CN106116220B (en) | 2016-06-24 | 2016-06-24 | Concrete air-entrainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106116220A true CN106116220A (en) | 2016-11-16 |
| CN106116220B CN106116220B (en) | 2018-04-10 |
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ID=57268352
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610471716.9A Active CN106116220B (en) | 2016-06-24 | 2016-06-24 | Concrete air-entrainer |
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| Country | Link |
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| CN (1) | CN106116220B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927756A (en) * | 2017-04-11 | 2017-07-07 | 南宁市嘉旺水泥制品有限公司 | A kind of regeneration concrete |
| CN108569858A (en) * | 2018-04-25 | 2018-09-25 | 临泉县凯晟建筑工程有限公司 | A kind of special air entraining agent of stable structure type cement |
| CN108585739A (en) * | 2018-08-02 | 2018-09-28 | 遵义市旭辉新型节能建材有限公司 | A kind of New Type Aerated Concrete mortar and preparation method thereof |
| CN113233844A (en) * | 2021-06-11 | 2021-08-10 | 天津宇善建筑材料有限公司 | Preparation method of concrete |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807333A (en) * | 2006-02-16 | 2006-07-26 | 江苏博特新材料有限公司 | Concrete air-entrainer |
| CN101333093A (en) * | 2008-08-05 | 2008-12-31 | 中国建筑材料科学研究总院 | Cement concrete air entraining agent and method for preparing same |
| CN104761177A (en) * | 2015-03-19 | 2015-07-08 | 杨帆 | Cement air entraining agent |
-
2016
- 2016-06-24 CN CN201610471716.9A patent/CN106116220B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807333A (en) * | 2006-02-16 | 2006-07-26 | 江苏博特新材料有限公司 | Concrete air-entrainer |
| CN101333093A (en) * | 2008-08-05 | 2008-12-31 | 中国建筑材料科学研究总院 | Cement concrete air entraining agent and method for preparing same |
| CN104761177A (en) * | 2015-03-19 | 2015-07-08 | 杨帆 | Cement air entraining agent |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927756A (en) * | 2017-04-11 | 2017-07-07 | 南宁市嘉旺水泥制品有限公司 | A kind of regeneration concrete |
| CN106927756B (en) * | 2017-04-11 | 2019-08-13 | 南宁市嘉旺水泥制品有限公司 | A kind of regeneration concrete |
| CN108569858A (en) * | 2018-04-25 | 2018-09-25 | 临泉县凯晟建筑工程有限公司 | A kind of special air entraining agent of stable structure type cement |
| CN108585739A (en) * | 2018-08-02 | 2018-09-28 | 遵义市旭辉新型节能建材有限公司 | A kind of New Type Aerated Concrete mortar and preparation method thereof |
| CN113233844A (en) * | 2021-06-11 | 2021-08-10 | 天津宇善建筑材料有限公司 | Preparation method of concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106116220B (en) | 2018-04-10 |
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