CN106007456A - Water reducing agent capable of improving concrete performance - Google Patents
Water reducing agent capable of improving concrete performance Download PDFInfo
- Publication number
- CN106007456A CN106007456A CN201610327049.7A CN201610327049A CN106007456A CN 106007456 A CN106007456 A CN 106007456A CN 201610327049 A CN201610327049 A CN 201610327049A CN 106007456 A CN106007456 A CN 106007456A
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- water reducing
- concrete
- organic acid
- reducing agent
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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
- C04B2103/30—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 relates to the technical field of concrete admixtures and discloses a water reducing agent capable of improving concrete performance. The water reducing agent comprises components in parts by weight as follows: 300-390 parts of methyl allyl polyethenoxy ether, 25-30 parts of acrylic acid, 2-6 parts of hydrogen peroxide, 10-14 parts of sodium hydroxide, 0.1-0.6 parts of organic acid and 2.0-2.8 parts of inorganic ammonium salt, wherein the organic acid comprises thioglycolic acid, and the inorganic ammonium salt comprises ammonium persulfate. The water reducing agent adopting the ratio has good adaptability to cement and has the technical effects of coagulation retarding and plasticity maintaining. The water reducing agent adopting the ratio has the advantages that the water reducing rate is high, the ratio of shrinkage is low, the waterproof capacity and impermeable capacity of concrete are improved, and autogenous shrinkage of the concrete in late stage is reduced greatly; negative factors such as alkali-aggregate reactions, corrosion of reinforcing steel bars and the like caused by traditional admixtures are reduced by means of low chlorine and low alkali; the water reducing agent has greatly strong affinity and dispersing capacity for the cement, fly ash, mineral powder and the like, meanwhile, surface tension of a pore solution is reduced, and a generated concrete structure is dense.
Description
Technical field
The present invention relates to technical field of concrete additives, particularly relate to improve the water reducer of concrete performance.
Background technology
After 2000, concrete, as the currently used widest building material material of Building class, has welcome Huang
Golden developing period, along with the unordered exploitation exploitation of the natural resourcess such as sandstone uses, cause natural sand resource complete
Exhaustion, rubble resource is nervous, and market supply product quality is uneven, and raw material unit price remains high.Cause
This, it is considered to the substitution material using natural sand further is the most important thing.For current Machine-made Sand containing mud powder
Amount fluctuation is relatively big, grain shape is uneven, rubble clay content is big, Concrete Industry production capacity surplus, technical controlling
The universal relatively low situation of level, the R&D direction of concrete is defined as high-flow high-performance concrete by us, its
The research and development of the high-performance water reducing agent formula of middle key be orientated environmental protection, Gao Kangni, low grade concrete fluidization,
High-grade concrete high fluidization.
Summary of the invention
The shortcoming that the present invention is directed to prior art, discloses the water reducer improving concrete performance.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals.
Improving the water reducer of concrete performance, in terms of parts by weight, each component and content is, 300 parts～390
Part methyl allyl polyoxyethylene ether, 25 parts～30 parts of acrylic acid, 2 parts～6 parts of hydrogen peroxide, 10 parts～14 parts
Sodium hydroxide, 0.1 part～0.6 part of organic acid, 2.0 parts～2.8 parts of inorganic ammonium salts；Organic acid includes TGA,
Inorganic ammonium salt includes Ammonium persulfate..
The structure that the water reducer of proportioning of the present invention utilizes synthetic technology means to change strand is mixed to control concrete
Matching between compound high fluidity and high education resistance, reaches to prepare upper flow regime, without vibration, upper flow regime
The purpose of concrete.
The water reducer of proportioning of the present invention anti-mud, fluidised form, protect the aspect such as plasticity, durability the most excellent
In similar-type products in the market.The water reducer water-reducing rate of proportioning of the present invention is high, shrinkage ratio is low, improves
Concrete water-proof impermeability, greatly reduces later concrete self-constriction.Low chlorine, low alkali reduce tradition
The unfavorable factors such as alkali that additive etc. bring, steel bar corrosion.To cement, flyash and breeze etc.
There is extremely strong affine and dispersibility, decrease the surface tension of pore solution simultaneously, make the concrete of generation
Compact structure.
As preferably, in terms of parts by weight, each component and content is, 350 parts～390 parts of methacrylics gather
Oxygen vinyl Ether, 26 parts～30 parts of acrylic acid, 4 parts～6 parts of hydrogen peroxide, 12 parts～14 parts of sodium hydroxide, 0.2 part
～0.6 part of organic acid, 2.3 parts～2.8 parts of inorganic ammonium salts.
As preferably, in terms of parts by weight, each component and content is, 360 parts of methyl allyl polyoxyethylene ethers,
28 parts of acrylic acid, 6 parts of hydrogen peroxide, 14 parts of sodium hydroxide, 0.4 part of organic acid, 2.4 parts of inorganic ammonium salts.
As preferably, by weight, each component and content is, 360 grams of methyl allyl polyoxyethylene ethers, 28
Gram acrylic acid, 6 grams of hydrogen peroxide, 14 grams of sodium hydroxide, 0.4 gram of organic acid, 2.4 grams of inorganic ammonium salts.
As preferably, TGA mass fraction in organic acid is 90%～99%.
As preferably, Ammonium persulfate. mass fraction in inorganic ammonium salt is 95%～99%.
Compared with prior art, the invention have the benefit that the water reducer of proportioning of the present invention anti-mud,
Fluidised form, guarantor's aspect such as plasticity, durability to be substantially better than similar-type products in the market.
The water reducer water-reducing rate of proportioning of the present invention is high, shrinkage ratio is low, improves concrete water-proof impermeability,
Greatly reduce later concrete self-constriction.Low chlorine, low alkali reduce the alkali that tradition additive etc. brings and gather materials
The unfavorable factors such as reaction, steel bar corrosion.Cement, flyash and breeze etc. are had extremely strong affine and dispersion energy
Power, decreases the surface tension of pore solution simultaneously, and the xoncrete structure making generation is fine and close.
Detailed description of the invention
Embodiment 1
Improving the water reducer of concrete performance, in terms of parts by weight, each component and content is, 300 parts of methyl alkene
Propyl group polyoxyethylene ether, 25 parts of acrylic acid, 2 parts of hydrogen peroxide, 10 parts of sodium hydroxide, 0.1 part of organic acid, 2.0
Part inorganic ammonium salt；Organic acid includes that TGA, inorganic ammonium salt include Ammonium persulfate..
TGA mass fraction in organic acid is 90%.Ammonium persulfate. quality in inorganic ammonium salt is divided
Number is 95%.
Embodiment 2
Improving the water reducer of concrete performance, in terms of parts by weight, each component and content is, 390 parts of methyl alkene
Propyl group polyoxyethylene ether, 30 parts of acrylic acid, 6 parts of hydrogen peroxide, 14 parts of sodium hydroxide, 0.6 part of organic acid, 2.8
Part inorganic ammonium salt；Organic acid includes that TGA, inorganic ammonium salt include Ammonium persulfate..
TGA mass fraction in organic acid is 99%.Ammonium persulfate. quality in inorganic ammonium salt is divided
Number is 99%.
Embodiment 3
Improving the water reducer of concrete performance, in terms of parts by weight, each component and content is, 350 parts of methyl alkene
Propyl group polyoxyethylene ether, 26 parts of acrylic acid, 4 parts of hydrogen peroxide, 12 parts of sodium hydroxide, 0.2 part of organic acid, 2.3
Part inorganic ammonium salt.
TGA mass fraction in organic acid is 95%.Ammonium persulfate. quality in inorganic ammonium salt is divided
Number is 96%.
We have selected on market water reducer generally simultaneously, uses that water-reducing rate index is identical, solid content refers to
Marking identical several water reducers and do the parallel contrast test of concrete, result of the test is shown in Table 1.
The water reducer improving concrete performance and the existing water reducer comparing result of table 1 embodiment 3
As it can be seen from table 1 embodiment 3 improve concrete performance water reducer anti-mud, fluidised form,
Protect the aspect index such as plasticity, durability and to be substantially better than similar-type products in the market.
Being shown by the application in engineering entity structure, the raising concrete water-reducing ratio of embodiment 3 is high, receipts
Shrinkage ratio is low, improves concrete water-proof impermeability, greatly reduces later concrete self-constriction.Low chlorine,
Low alkali reduces the unfavorable factors such as alkali, the steel bar corrosion that tradition additive etc. brings.To cement,
Flyash and breeze etc. have extremely strong affine and dispersibility, decrease the surface tension of pore solution simultaneously,
The xoncrete structure making generation is fine and close.
Embodiment 4
Improving the water reducer of concrete performance, in terms of parts by weight, each component and content is, 360 parts of methyl alkene
Propyl group polyoxyethylene ether, 28 parts of acrylic acid, 6 parts of hydrogen peroxide, 14 parts of sodium hydroxide, 0.4 part of organic acid, 2.4
Part inorganic ammonium salt.
TGA mass fraction in organic acid is 91%.Ammonium persulfate. quality in inorganic ammonium salt is divided
Number is 96%.
Embodiment 5
Improving the water reducer of concrete performance, by weight, each component and content is, 360 grams of methacrylics
Polyoxyethylene ether, 28 grams of acrylic acid, 6 grams of hydrogen peroxide, 14 grams of sodium hydroxide, 0.4 gram of organic acid, 2.4 grams
Inorganic ammonium salt.
TGA mass fraction in organic acid is 98%.Ammonium persulfate. quality in inorganic ammonium salt is divided
Number is 98%.
Embodiment 6
Improving the water reducer of concrete performance, in terms of parts by weight, each component and content is, 320 parts of methyl alkene
Propyl group polyoxyethylene ether, 26 parts of acrylic acid, 3 parts of hydrogen peroxide, 11 parts of sodium hydroxide, 0.2 part of organic acid, 2.1
Part inorganic ammonium salt；Organic acid includes that TGA, inorganic ammonium salt include Ammonium persulfate..
TGA mass fraction in organic acid is 92%.Ammonium persulfate. quality in inorganic ammonium salt is divided
Number is 97%.
In a word, the foregoing is only presently preferred embodiments of the present invention, all made according to scope of the present invention patent
Impartial change with modify, all should belong to the covering scope of patent of the present invention.
Claims (6)
1. improve the water reducer of concrete performance, it is characterised in that: in terms of parts by weight, each component and content is,
300 parts～390 parts of methyl allyl polyoxyethylene ethers, 25 parts～30 parts of acrylic acid, 2 parts～6 parts of hydrogen peroxide,
10 parts～14 parts of sodium hydroxide, 0.1 part～0.6 part of organic acid, 2.0 parts～2.8 parts of inorganic ammonium salts；Organic acid bag
Including TGA, inorganic ammonium salt includes Ammonium persulfate..
The water reducer of raising concrete performance the most according to claim 1, it is characterised in that: with parts by weight
Meter, each component and content is, 350 parts～390 parts of methyl allyl polyoxyethylene ethers, 26 parts～30 parts of propylene
Acid, 4 parts～6 parts of hydrogen peroxide, 12 parts～14 parts of sodium hydroxide, 0.2 part～0.6 part of organic acid, 2.3 parts～2.8
Part inorganic ammonium salt.
The water reducer of raising concrete performance the most according to claim 1, it is characterised in that: with parts by weight
Meter, each component and content is, 360 parts of methyl allyl polyoxyethylene ethers, 28 parts of acrylic acid, 6 parts of hydrogen peroxide,
14 parts of sodium hydroxide, 0.4 part of organic acid, 2.4 parts of inorganic ammonium salts.
The water reducer of raising concrete performance the most according to claim 1, it is characterised in that: by weight,
Each component and content is, 360 grams of methyl allyl polyoxyethylene ethers, 28 grams of acrylic acid, 6 grams of hydrogen peroxide, 14
Gram sodium hydroxide, 0.4 gram of organic acid, 2.4 grams of inorganic ammonium salts.
The water reducer of raising concrete performance the most according to claim 1, it is characterised in that: TGA exists
Mass fraction in organic acid is 90%～99%.
The water reducer of raising concrete performance the most according to claim 1, it is characterised in that: Ammonium persulfate. exists
Mass fraction in inorganic ammonium salt is 95%～99%.
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| CN201610327049.7A CN106007456B (en) | 2016-05-17 | 2016-05-17 | Improve the water-reducing agent of concrete performance |
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| CN201610327049.7A CN106007456B (en) | 2016-05-17 | 2016-05-17 | Improve the water-reducing agent of concrete performance |
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| CN106007456A true CN106007456A (en) | 2016-10-12 |
| CN106007456B CN106007456B (en) | 2018-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032652A (en) * | 2017-06-01 | 2017-08-11 | 临汾市华基建材科技有限公司 | A kind of building waste and industrial tailings produce concrete special additive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538134A (en) * | 2009-04-14 | 2009-09-23 | 大连市建筑科学研究设计院股份有限公司 | Polyether class polycarboxylic acid high-efficiency water reducing agent and preparation method thereof |
| CN101928114A (en) * | 2010-08-30 | 2010-12-29 | 大连建科北方化学有限公司 | High water reduction high collapse protection type polycarboxylate high-performance water reducer and pyrogen-free preparation method thereof |
| CN104140503A (en) * | 2014-07-30 | 2014-11-12 | 江西格雷斯科技股份有限公司 | Method for synthesizing high-water-reduction high-slump-retaining high-performance polycarboxylate water reducer at normal temperature |
| CN104276782A (en) * | 2014-08-26 | 2015-01-14 | 泰兴市大愚建筑材料科技发展有限公司 | Polyether type polycarboxylate superplasticizer |
| CN105236800A (en) * | 2015-09-10 | 2016-01-13 | 大连市建筑科学研究设计院股份有限公司 | Polycarboxylate-type water reducing agent mother liquid, preparation method and application thereof |
-
2016
- 2016-05-17 CN CN201610327049.7A patent/CN106007456B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538134A (en) * | 2009-04-14 | 2009-09-23 | 大连市建筑科学研究设计院股份有限公司 | Polyether class polycarboxylic acid high-efficiency water reducing agent and preparation method thereof |
| CN101928114A (en) * | 2010-08-30 | 2010-12-29 | 大连建科北方化学有限公司 | High water reduction high collapse protection type polycarboxylate high-performance water reducer and pyrogen-free preparation method thereof |
| CN104140503A (en) * | 2014-07-30 | 2014-11-12 | 江西格雷斯科技股份有限公司 | Method for synthesizing high-water-reduction high-slump-retaining high-performance polycarboxylate water reducer at normal temperature |
| CN104276782A (en) * | 2014-08-26 | 2015-01-14 | 泰兴市大愚建筑材料科技发展有限公司 | Polyether type polycarboxylate superplasticizer |
| CN105236800A (en) * | 2015-09-10 | 2016-01-13 | 大连市建筑科学研究设计院股份有限公司 | Polycarboxylate-type water reducing agent mother liquid, preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国建筑学会建材分会混凝土外加剂应用技术主编: "《聚羧酸系高性能减水剂及其应用技术新发展》", 31 May 2011, 北京理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032652A (en) * | 2017-06-01 | 2017-08-11 | 临汾市华基建材科技有限公司 | A kind of building waste and industrial tailings produce concrete special additive |
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| CN106007456B (en) | 2018-05-22 |
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Address after: 315020, Jia Yan Road, Jiangbei District, Zhejiang, Ningbo, 187 Patentee after: Zhejiang Guangtian component group Co.,Ltd. Address before: 315020, Jia Yan Road, Jiangbei District, Zhejiang, Ningbo, 187 Patentee before: ZHEJIANG GUANGTIAN COMPONENT PART Co.,Ltd. |
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Inventor after: Wang Lei Inventor after: Song Jianmin Inventor after: Lu Mingwei Inventor after: He Jianming Inventor before: Li Shili Inventor before: Song Jianmin Inventor before: Lu Mingwei Inventor before: He Jianming |