CN107285662A - A kind of collapse protection type concrete pump-feed agent - Google Patents
A kind of collapse protection type concrete pump-feed agent Download PDFInfo
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- CN107285662A CN107285662A CN201710597959.1A CN201710597959A CN107285662A CN 107285662 A CN107285662 A CN 107285662A CN 201710597959 A CN201710597959 A CN 201710597959A CN 107285662 A CN107285662 A CN 107285662A
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- concrete pump
- protection type
- type concrete
- collapse protection
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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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- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
It is as made from the raw material of following parts by weight the invention discloses a kind of collapse protection type concrete pump-feed agent：20 30 parts of naphthalene series high-efficiency water-reducing agent, 8 12 parts of diethanol monoisopropanolamine maleate compound, 57 parts of carbonic acid glyceride, 35 parts of triethylamine, 0.2 0.6 parts of dimethicone, 37 parts of retarder, 0.1 0.3 parts of AEO, 40 60 parts of water.In the collapse protection type concrete pump-feed agent of the present invention, by being combined diethanol monoisopropanolamine maleate compound, carbonic acid glyceride and triethylamine, the properties of naphthalene series high-efficiency water-reducing agent can be significantly improved, the concrete performance of preparation is good, with high durable, high-thin arch dam, the excellent properties of not bleeding；Little loss of slump, the effective workability and pumpability for keeping concrete good, can meet the requirement of pumping；Adaptability to various cement is stronger, with good economic benefit and social benefit.
Description
Technical field
The present invention relates to construction material, and in particular to a kind of collapse protection type concrete pump-feed agent.
Background technology
A kind of additive when concrete pump-feed agent is for concrete mixing, construction, by increasing capacitance it is possible to increase the work of concrete
Property, make concrete mix have can pass through conveyance conduit, do not block, do not isolate, the performance that visco-plasticity is good, pumping admixture
It is to modernize a kind of additive that must be used in concrete construction.
At present, general concrete is poured into a mould using the technique of pumping at the construction field (site), accordingly, it would be desirable to which concrete has
Good mobility and pumpability, but be due to that the concrete of mixing plant is to be transported by concrete mixer truck from mixing plant to construction
Scene, once traffic jam or road are farther out, the overlong time for the concrete experience being stirred, it may occur that mobility heavy losses
And can not pump.In work progress, the problem of concrete slump loss is fast is frequently encountered, stifled pump is caused, is difficult construction
Or the phenomenon that can not be constructed, the construction working time is extended, the waste of human and material resources is caused, is concrete company and construction party
Produce a blasting fuse of contradiction.So ready-mixed concrete popularization in, how to effectively control concrete slump loss, be into
The big problem that one step popularization and application pumping admixture and exploitation concrete new technology must be solved.It is existing to mix naphthalene system pumping admixture coagulation
The slump-loss of soil is fast.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of high durable, high-thin arch dam, the collapse protection type concrete of not bleeding
Pumping admixture.
The purpose of the present invention is achieved by the following technical solution：
A kind of collapse protection type concrete pump-feed agent, is as made from the raw material of following parts by weight：Naphthalene series high-efficiency water-reducing agent 20-30
Part, 8-12 parts of diethanol monoisopropanolamine maleate compound, 5-7 parts of carbonic acid glyceride, 3-5 parts of triethylamine, dimethyl-silicon
Oily 0.2-0.6 parts, 3-7 parts of retarder, 0.1-0.3 parts of AEO, 40-60 parts of water.
It is preferred that, a kind of collapse protection type concrete pump-feed agent is as made from the raw material of following parts by weight：Naphthalene series high-efficiency diminishing
25 parts of agent, 10 parts of diethanol monoisopropanolamine maleate compound, 6 parts of carbonic acid glyceride, 4 parts of triethylamine, dimethicone
0.4 part, 5 parts of retarder, 0.2 part of AEO, 50 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, diethanol monoisopropanolamine maleate compound is obtained by the following method：In reactor
Diethanol monoisopropanolamine and maleic anhydride are added, adds under catalyst, stirring condition and is decompressed to 0.4MPa, heat, temperature control
System is at 95 DEG C, maintenance system constant temperature, and the acidity of a system is determined every 1h, to acid number without significant change when reaction stop；So
After be cooled to room temperature, successively with saturated sodium carbonate solution and distillation water washing, obtain diethanol monoisopropanolamine maleated
Compound.
Described, the mol ratio of diethanol monoisopropanolamine and maleic anhydride is 1.0：0.8.
Described, catalyst is the p-methyl benzenesulfonic acid of mass fraction 1.4%, and the addition of the catalyst is diethanol list
The 0.5% of isopropanolamine quality.
Described, retarder is one kind in sodium gluconate, calgon and sodium tripolyphosphate.
Collapse protection type concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；
3) by diethanol monoisopropanolamine maleate compound, carbonic acid glyceride, triethylamine, dimethyl-silicon oil ＆ fat
Alcohol APEO is added in liquid material B, is stirred 10-15min, is obtained collapse protection type concrete pump-feed agent.
The usage amount of the collapse protection type concrete pump-feed agent of the present invention is the 3%-5% of concrete gel material quality.Herein
Concrete gel material refers to play gelatification well known to a person skilled in the art cement, flyash and ground slag etc
Material.
Beneficial effects of the present invention：In the collapse protection type concrete pump-feed agent of the present invention, by being combined diethanol list isopropanol
Amine maleate compound, carbonic acid glyceride and triethylamine, can significantly improve the properties of naphthalene series high-efficiency water-reducing agent, preparation
Concrete performance is good, with high durable, high-thin arch dam, the excellent properties of not bleeding；Little loss of slump, effectively keeps concrete
Good workability and pumpability, can meet the requirement of pumping；Adaptability to various cement is stronger, with good economy effect
Benefit and social benefit.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
The raw materials used present invention is market purchase gained.
Embodiment 1
A kind of collapse protection type concrete pump-feed agent, is as made from the raw material of following parts by weight：30 parts of naphthalene series high-efficiency water-reducing agent,
It is 8 parts of diethanol monoisopropanolamine maleate compound, 5 parts of carbonic acid glyceride, 3 parts of triethylamine, 0.6 part of dimethicone, slow
Solidifying 3 parts of agent, 0.3 part of AEO, 40 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, diethanol monoisopropanolamine maleate compound is obtained by the following method：In reactor
Diethanol monoisopropanolamine and maleic anhydride are added, adds under catalyst, stirring condition and is decompressed to 0.4MPa, heat, temperature control
System is at 95 DEG C, maintenance system constant temperature, and the acidity of a system is determined every 1h, to acid number without significant change when reaction stop；So
After be cooled to room temperature, successively with saturated sodium carbonate solution and distillation water washing, obtain diethanol monoisopropanolamine maleated
Compound.
Described, the mol ratio of diethanol monoisopropanolamine and maleic anhydride is 1.0：0.8.
Described, catalyst is the p-methyl benzenesulfonic acid of mass fraction 1.4%, and the addition of the catalyst is diethanol list
The 0.5% of isopropanolamine quality.
Described, retarder is sodium gluconate.
Collapse protection type concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；
3) by diethanol monoisopropanolamine maleate compound, carbonic acid glyceride, triethylamine, dimethyl-silicon oil ＆ fat
Alcohol APEO is added in liquid material B, is stirred 10-15min, is obtained collapse protection type concrete pump-feed agent.
Embodiment 2
A kind of collapse protection type concrete pump-feed agent, is as made from the raw material of following parts by weight：25 parts of naphthalene series high-efficiency water-reducing agent,
It is 10 parts of diethanol monoisopropanolamine maleate compound, 6 parts of carbonic acid glyceride, 4 parts of triethylamine, 0.4 part of dimethicone, slow
Solidifying 5 parts of agent, 0.2 part of AEO, 50 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, diethanol monoisopropanolamine maleate compound is obtained by the following method：In reactor
Diethanol monoisopropanolamine and maleic anhydride are added, adds under catalyst, stirring condition and is decompressed to 0.4MPa, heat, temperature control
System is at 95 DEG C, maintenance system constant temperature, and the acidity of a system is determined every 1h, to acid number without significant change when reaction stop；So
After be cooled to room temperature, successively with saturated sodium carbonate solution and distillation water washing, obtain diethanol monoisopropanolamine maleated
Compound.
Described, the mol ratio of diethanol monoisopropanolamine and maleic anhydride is 1.0：0.8.
Described, catalyst is the p-methyl benzenesulfonic acid of mass fraction 1.4%, and the addition of the catalyst is diethanol list
The 0.5% of isopropanolamine quality.
Described, retarder is calgon.
Collapse protection type concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；
3) by diethanol monoisopropanolamine maleate compound, carbonic acid glyceride, triethylamine, dimethyl-silicon oil ＆ fat
Alcohol APEO is added in liquid material B, is stirred 10-15min, is obtained collapse protection type concrete pump-feed agent.
Embodiment 3
A kind of collapse protection type concrete pump-feed agent, is as made from the raw material of following parts by weight：20 parts of naphthalene series high-efficiency water-reducing agent,
It is 12 parts of diethanol monoisopropanolamine maleate compound, 7 parts of carbonic acid glyceride, 5 parts of triethylamine, 0.2 part of dimethicone, slow
Solidifying 7 parts of agent, 0.1 part of AEO, 60 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, diethanol monoisopropanolamine maleate compound is obtained by the following method：In reactor
Diethanol monoisopropanolamine and maleic anhydride are added, adds under catalyst, stirring condition and is decompressed to 0.4MPa, heat, temperature control
System is at 95 DEG C, maintenance system constant temperature, and the acidity of a system is determined every 1h, to acid number without significant change when reaction stop；So
After be cooled to room temperature, successively with saturated sodium carbonate solution and distillation water washing, obtain diethanol monoisopropanolamine maleated
Compound.
Described, the mol ratio of diethanol monoisopropanolamine and maleic anhydride is 1.0: 0.8.
Described, catalyst is the p-methyl benzenesulfonic acid of mass fraction 1.4%, and the addition of the catalyst is diethanol list
The 0.5% of isopropanolamine quality.
Described, retarder is sodium tripolyphosphate.
Collapse protection type concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；
3) by diethanol monoisopropanolamine maleate compound, carbonic acid glyceride, triethylamine, dimethyl-silicon oil ＆ fat
Alcohol APEO is added in liquid material B, is stirred 10-15min, is obtained collapse protection type concrete pump-feed agent.
Comparative example 1
A kind of concrete pump-feed agent, is as made from the raw material of following parts by weight：25 parts of naphthalene series high-efficiency water-reducing agent, carbonic acid are sweet
6 parts of grease, 4 parts of triethylamine, 0.4 part of dimethicone, 5 parts of retarder, 0.2 part of AEO, 50 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, retarder is calgon.
Concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；3) by carbonic acid glyceride, triethylamine,
Dimethicone and AEO are added in liquid material B, are stirred 10-15min, are obtained concrete pump-feed agent.
Comparative example 2
A kind of concrete pump-feed agent, is as made from the raw material of following parts by weight：25 parts of naphthalene series high-efficiency water-reducing agent, diethanol
10 parts of monoisopropanolamine maleate compound, 0.4 part of dimethicone, 5 parts of retarder, 0.2 part of AEO,
50 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, diethanol monoisopropanolamine maleate compound is obtained by the following method：In reactor
Diethanol monoisopropanolamine and maleic anhydride are added, adds under catalyst, stirring condition and is decompressed to 0.4MPa, heat, temperature control
System is at 95 DEG C, maintenance system constant temperature, and the acidity of a system is determined every 1h, to acid number without significant change when reaction stop；So
After be cooled to room temperature, successively with saturated sodium carbonate solution and distillation water washing, obtain diethanol monoisopropanolamine maleated
Compound.
Described, the mol ratio of diethanol monoisopropanolamine and maleic anhydride is 1.0: 0.8.
Described, catalyst is the p-methyl benzenesulfonic acid of mass fraction 1.4%, and the addition of the catalyst is diethanol list
The 0.5% of isopropanolamine quality.
Described, retarder is calgon.
Concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；
3) diethanol monoisopropanolamine maleate compound, dimethicone and AEO are added into liquid
Expect in B, stir 10-15min, obtain concrete pump-feed agent.
Comparative example 3
A kind of concrete pump-feed agent, is as made from the raw material of following parts by weight：25 parts of naphthalene series high-efficiency water-reducing agent, dimethyl
0.4 part of silicone oil, 5 parts of retarder, 0.2 part of AEO, 50 parts of water.
Described, the solid content of naphthalene series high-efficiency water-reducing agent is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
Described, retarder is calgon.
Concrete pump-feed agent of the present invention is as made from following steps：
1) it is retarder is soluble in water, obtain liquid material A；
2) naphthalene series high-efficiency water-reducing agent is added in liquid material A, is well mixed, obtains liquid material B；
3) dimethicone and AEO are added in liquid material B, stirs 10-15min, obtain concrete pumping
Agent.
Performance test
With reference to JC475-2004《Concrete antifreezer》And GB8076-2008《Concrete admixture》Standard detection embodiment
Concrete pump-feed agent prepared by 1-3 and comparative example 1-3, the usage amount of concrete pump-feed agent is concrete gel material quality
4%, it as a result see the table below 1.
The performance test results of the concrete pump-feed agent of table 1
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (7)
1. a kind of collapse protection type concrete pump-feed agent, it is characterised in that be as made from the raw material of following parts by weight：Naphthalene series high-efficiency subtracts
20-30 parts of aqua, 8-12 parts of diethanol monoisopropanolamine maleate compound, 5-7 parts of carbonic acid glyceride, 3-5 parts of triethylamine,
0.2-0.6 parts of dimethicone, 3-7 parts of retarder, 0.1-0.3 parts of AEO, 40-60 parts of water.
2. collapse protection type concrete pump-feed agent according to claim 1, it is characterised in that be made by the raw material of following parts by weight
's：25 parts of naphthalene series high-efficiency water-reducing agent, 10 parts of diethanol monoisopropanolamine maleate compound, 6 parts of carbonic acid glyceride, triethylamine
4 parts, 0.4 part of dimethicone, 5 parts of retarder, 0.2 part of AEO, 50 parts of water.
3. collapse protection type concrete pump-feed agent according to claim 1 or claim 2, it is characterised in that the naphthalene series high-efficiency water-reducing agent
Solid content is 95%, and pH value is 8-9, and sodium sulphate content is less than 10%.
4. collapse protection type concrete pump-feed agent according to claim 1 or claim 2, it is characterised in that the diethanol monoisopropanolamine
Maleate compound is obtained by the following method：Diethanol monoisopropanolamine and maleic anhydride are added in reactor,
Add under catalyst, stirring condition and be decompressed to 0.4MPa, heat, temperature control is at 95 DEG C, and maintenance system constant temperature is determined every 1h
The acidity of system, to acid number without significant change when reaction stop；Room temperature is subsequently cooled to, saturated sodium carbonate solution is used successively
With distillation water washing, diethanol monoisopropanolamine maleate compound is obtained.
5. collapse protection type concrete pump-feed agent according to claim 4, it is characterised in that the diethanol monoisopropanolamine and horse
The mol ratio for carrying out acid anhydrides is 1.0：0.8.
6. collapse protection type concrete pump-feed agent according to claim 4, it is characterised in that the catalyst is mass fraction
1.4% p-methyl benzenesulfonic acid, the addition of the catalyst is the 0.5% of diethanol monoisopropanolamine quality.
7. collapse protection type concrete pump-feed agent according to claim 1 or claim 2, it is characterised in that the retarder is gluconic acid
One kind in sodium, calgon and sodium tripolyphosphate.
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| CN201710597959.1A CN107285662B (en) | 2017-07-20 | 2017-07-20 | A kind of collapse protection type concrete pump-feed agent |
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| CN201710597959.1A CN107285662B (en) | 2017-07-20 | 2017-07-20 | A kind of collapse protection type concrete pump-feed agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108997151A (en) * | 2018-08-30 | 2018-12-14 | 济南大学 | The preparation method and products obtained therefrom of a kind of beta-unsaturated esters of alcohol-containing amine groups and application |
| CN109776017A (en) * | 2019-02-15 | 2019-05-21 | 山东鲁班建设集团总公司 | A kind of composite concrete antifreeze and preparation method thereof |
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| US20090298973A1 (en) * | 2006-08-01 | 2009-12-03 | Denki Kagaku Kogyo Kabushiki Kaisha | Cement Admixture and Cement Composition Using Thereof |
| CN101244909A (en) * | 2008-03-24 | 2008-08-20 | 湖南省建筑工程集团总公司 | Highly durable high slump loss resistant no-bleeding concrete pump delivering agent |
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| CN108997151A (en) * | 2018-08-30 | 2018-12-14 | 济南大学 | The preparation method and products obtained therefrom of a kind of beta-unsaturated esters of alcohol-containing amine groups and application |
| CN108997151B (en) * | 2018-08-30 | 2021-08-24 | 济南大学 | Preparation method of unsaturated ester containing alkylamine group, obtained product and application |
| CN109776017A (en) * | 2019-02-15 | 2019-05-21 | 山东鲁班建设集团总公司 | A kind of composite concrete antifreeze and preparation method thereof |
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Denomination of invention: A slump retaining concrete pumping agent Effective date of registration: 20210806 Granted publication date: 20190830 Pledgee: Bank of Rizhao Co.,Ltd. Juxian sub branch Pledgor: RIZHAO FEM NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2021980007367 |
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Date of cancellation: 20221130 Granted publication date: 20190830 Pledgee: Bank of Rizhao Co.,Ltd. Juxian sub branch Pledgor: RIZHAO FEM NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2021980007367 |