CN106007456B - Improve the water-reducing agent of concrete performance - Google Patents
Improve the water-reducing agent of concrete performance Download PDFInfo
- Publication number
- CN106007456B CN106007456B CN201610327049.7A CN201610327049A CN106007456B CN 106007456 B CN106007456 B CN 106007456B CN 201610327049 A CN201610327049 A CN 201610327049A CN 106007456 B CN106007456 B CN 106007456B
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- concrete
- reducing agent
- organic acid
- 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.)
- Active
Links
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
- C04B2103/302—Water reducers
Abstract
The present invention relates to technical field of concrete additives, disclose a kind of water-reducing agent for improving concrete performance, in terms of parts by weight, each component and content are 300 parts~390 parts methyl allyl polyoxyethylene ethers, 25 parts~30 parts acrylic acid, 2 parts~6 parts hydrogen peroxide, 10 parts~14 parts sodium hydroxides, 0.1 part~0.6 part organic acid, 2.0 parts~2.8 parts inorganic ammonium salts；Organic acid includes thioacetic acid, and inorganic ammonium salt includes ammonium persulfate.The water-reducing agent and the adaptability of cement that the present invention matches are good, have slow setting, protect the technique effects such as modeling.Water-reducing agent water-reducing rate that the present invention matches is high, shrinkage ratio is low, improves concrete water-proof impermeability, greatly reduces later concrete self-constriction.Low chlorine, low alkali reduce the unfavorable factors such as alkali, steel bar corrosion that traditional additive etc. is brought.There is extremely strong affine and dispersibility to cement, flyash and miberal powder etc., while reduce the surface tension of pore solution, the concrete structure for making generation is fine and close.
Description
Technical field
The present invention relates to technical field of concrete additives more particularly to the water-reducing agents of raising concrete performance.
Background technology
After 2000, concrete has welcome gold development as Building class most popular building material material at present
Period exploits with the unordered exploitation of the natural resources such as sandstone and uses, causes natural sand resource completely exhausted, rubble resource is tight
, market supply product quality is irregular, and raw material unit price is high.Accordingly, it is considered to further use replacing for natural sand
It is the most important thing for material.For current Machine-made Sand the fluctuation of the amount of powder containing mud it is larger, grain shape is uneven, rubble clay content is big,
The horizontal universal relatively low situation of Concrete Industry excess capacity, technical controlling, the R＆D direction of concrete is determined as high stream by us
State high performance concrete, wherein the research and development of crucial high-performance water reducing agent formula are orientated environmentally protective, highly resistance mud, low grade concrete
Fluidization, high-grade concrete high fluidization.
The content of the invention
The present invention in view of the shortcomings of the prior art, discloses the water-reducing agent for improving concrete performance.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals.
The water-reducing agent of concrete performance is improved, in terms of parts by weight, each component and content are 300 parts~390 parts methyl alkene
Propyl polyoxyethylene ether, 25 parts~30 parts acrylic acid, 2 parts~6 parts hydrogen peroxide, 10 parts~14 parts sodium hydroxides, 0.1 part~0.6
Part organic acid, 2.0 parts~2.8 parts inorganic ammonium salts；Organic acid includes thioacetic acid, and inorganic ammonium salt includes ammonium persulfate.
The water-reducing agent that the present invention matches changes the structure of strand to control concrete mix using synthetic technology means
Matching between high fluidity and high education resistance achievees the purpose that prepare upper flow regime, without vibration, flowing concrete.
The water-reducing agent that the present invention matches will be substantially better than current city in anti-mud, fluidised form, guarantor's plasticity, durability etc.
Similar-type products on field.Water-reducing agent water-reducing rate that the present invention matches is high, shrinkage ratio is low, improves concrete water-proof impermeability,
Greatly reduce later concrete self-constriction.Low chlorine, low alkali reduce alkali, the reinforcing bar rust that traditional additive etc. is brought
The unfavorable factors such as erosion.There is extremely strong affine and dispersibility to cement, flyash and miberal powder etc., while reduce pore solution
Surface tension, the concrete structure for making generation are fine and close.
Preferably, in terms of parts by weight, each component and content are 350 parts~390 parts methacrylic polyoxyethylene
Ether, 26 parts~30 parts acrylic acid, 4 parts~6 parts hydrogen peroxide, 12 parts~14 parts sodium hydroxides, 0.2 part~0.6 part organic acid, 2.3
Part~2.8 parts of inorganic ammonium salts.
Preferably, in terms of parts by weight, each component and content be, 360 parts of methyl allyl polyoxyethylene ethers, 28 part third
Olefin(e) acid, 6 parts of hydrogen peroxide, 14 parts of sodium hydroxides, 0.4 part of organic acid, 2.4 parts of inorganic ammonium salts.
Preferably, by weight, each component and content are 360 grams of methyl allyl polyoxyethylene ethers, 28 grams of propylene
Acid, 6 grams of hydrogen peroxide, 14 grams of sodium hydroxides, 0.4 gram of organic acid, 2.4 grams of inorganic ammonium salts.
Preferably, mass fraction of the thioacetic acid in organic acid is 90%~99%.
Preferably, mass fraction of the ammonium persulfate in inorganic ammonium salt is 95%~99%.
Compared with prior art, beneficial effects of the present invention are：The water-reducing agent that the present invention matches anti-mud, fluidised form,
Similar-type products currently on the market will be substantially better than by protecting plasticity, durability etc..
Water-reducing agent water-reducing rate that the present invention matches is high, shrinkage ratio is low, improves concrete water-proof impermeability, greatly reduces
Later concrete self-constriction.It is unfavorable that low chlorine, low alkali reduce alkali, steel bar corrosion that traditional additive etc. is brought etc.
Factor.There is extremely strong affine and dispersibility to cement, flyash and miberal powder etc., while reduce the surface of pore solution
Power, the concrete structure for making generation are fine and close.
Specific embodiment
Embodiment 1
The water-reducing agent of concrete performance is improved, in terms of parts by weight, each component and content are that 300 parts of methacrylics gather
Ethylene oxide ether, 25 parts of acrylic acid, 2 parts of hydrogen peroxide, 10 parts of sodium hydroxides, 0.1 part of organic acid, 2.0 parts of inorganic ammonium salts；Organic acid bag
Thioacetic acid is included, inorganic ammonium salt includes ammonium persulfate.
Mass fraction of the thioacetic acid in organic acid is 90%.Mass fraction of the ammonium persulfate in inorganic ammonium salt be
95%.
Embodiment 2
The water-reducing agent of concrete performance is improved, in terms of parts by weight, each component and content are that 390 parts of methacrylics gather
Ethylene oxide ether, 30 parts of acrylic acid, 6 parts of hydrogen peroxide, 14 parts of sodium hydroxides, 0.6 part of organic acid, 2.8 parts of inorganic ammonium salts；Organic acid bag
Thioacetic acid is included, inorganic ammonium salt includes ammonium persulfate.
Mass fraction of the thioacetic acid in organic acid is 99%.Mass fraction of the ammonium persulfate in inorganic ammonium salt be
99%.
Embodiment 3
The water-reducing agent of concrete performance is improved, in terms of parts by weight, each component and content are that 350 parts of methacrylics gather
Ethylene oxide ether, 26 parts of acrylic acid, 4 parts of hydrogen peroxide, 12 parts of sodium hydroxides, 0.2 part of organic acid, 2.3 parts of inorganic ammonium salts.
Mass fraction of the thioacetic acid in organic acid is 95%.Mass fraction of the ammonium persulfate in inorganic ammonium salt be
96%.
We have selected water-reducing agent in the market generally simultaneously, using water-reducing rate index is identical, solid content index is identical
Several water-reducing agents do the parallel contrast test of concrete, result of the test is shown in Table 1.
The water-reducing agent and existing water-reducing agent comparing result of the raising concrete performance of 1 embodiment 3 of table
As it can be seen from table 1 embodiment 3 raising concrete performance water-reducing agent anti-mud, fluidised form, protect plasticity,
Durability etc. index will be substantially better than similar-type products currently on the market.
Show raising concrete water-reducing ratio height, the shrinkage ratio of embodiment 3 by the application in engineering entity structure
It is low, concrete water-proof impermeability is improved, greatly reduces later concrete self-constriction.It is additional that low chlorine, low alkali reduce tradition
The unfavorable factors such as alkali, steel bar corrosion that agent etc. is brought.Have to cement, flyash and miberal powder etc. it is extremely strong affine and point
The ability of dissipating, while reduce the surface tension of pore solution, the concrete structure for making generation is fine and close.
Embodiment 4
The water-reducing agent of concrete performance is improved, in terms of parts by weight, each component and content are that 360 parts of methacrylics gather
Ethylene oxide ether, 28 parts of acrylic acid, 6 parts of hydrogen peroxide, 14 parts of sodium hydroxides, 0.4 part of organic acid, 2.4 parts of inorganic ammonium salts.
Mass fraction of the thioacetic acid in organic acid is 91%.Mass fraction of the ammonium persulfate in inorganic ammonium salt be
96%.
Embodiment 5
The water-reducing agent of concrete performance is improved, by weight, each component and content are 360 grams of methacrylic polyoxy second
Alkene ether, 28 grams of acrylic acid, 6 grams of hydrogen peroxide, 14 grams of sodium hydroxides, 0.4 gram of organic acid, 2.4 grams of inorganic ammonium salts.
Mass fraction of the thioacetic acid in organic acid is 98%.Mass fraction of the ammonium persulfate in inorganic ammonium salt be
98%.
Embodiment 6
The water-reducing agent of concrete performance is improved, in terms of parts by weight, each component and content are that 320 parts of methacrylics gather
Ethylene oxide ether, 26 parts of acrylic acid, 3 parts of hydrogen peroxide, 11 parts of sodium hydroxides, 0.2 part of organic acid, 2.1 parts of inorganic ammonium salts；Organic acid bag
Thioacetic acid is included, inorganic ammonium salt includes ammonium persulfate.
Mass fraction of the thioacetic acid in organic acid is 92%.Mass fraction of the ammonium persulfate in inorganic ammonium salt be
97%.
In short, the foregoing is merely presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent
Variation and modification should all belong to the covering scope of patent of the present invention.
Claims (1)
1. improve the water-reducing agent of concrete performance, it is characterised in that：In terms of parts by weight, each component and content are 350 parts of methyl
Allyl polyethenoxy ether, 26 parts of acrylic acid, 4 parts of hydrogen peroxide, 12 parts of sodium hydroxides, 0.2 part of organic acid, 2.3 parts of inorganic ammonium salts；
Organic acid includes thioacetic acid, and inorganic ammonium salt includes ammonium persulfate, and mass fraction of the thioacetic acid in organic acid is 95%, mistake
Mass fraction of the ammonium sulfate in inorganic ammonium salt is 96%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327049.7A CN106007456B (en) | 2016-05-17 | 2016-05-17 | Improve the water-reducing agent of concrete performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327049.7A CN106007456B (en) | 2016-05-17 | 2016-05-17 | Improve the water-reducing agent of concrete performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106007456A CN106007456A (en) | 2016-10-12 |
| CN106007456B true CN106007456B (en) | 2018-05-22 |
Family
ID=57098257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610327049.7A Active CN106007456B (en) | 2016-05-17 | 2016-05-17 | Improve the water-reducing agent of concrete performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106007456B (en) |
Families Citing this family (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106007456A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104177562B (en) | Slow-release high-adaptability polyester polycarboxylic acid water-reducing agent and preparation method and application thereof | |
| CN105084837B (en) | A kind of sea sand powder concrete | |
| CN103145360B (en) | Viscosity modifier for high or ultrahigh-strength concrete | |
| CN103664110B (en) | A kind of Cement adhesive for insulator | |
| CN104694092A (en) | Water-based drilling fluid of shale gas horizontal well reinforced well wall and application thereof | |
| CN102329113B (en) | Composite high titanium and dry slag pavement concrete and preparation method thereof | |
| CN106431036B (en) | Marine worker portland cement and preparation method thereof | |
| CN104177561B (en) | A kind of polycarboxylate water-reducer with slow release and resistance to mud and its preparation method and application | |
| CN105541394B (en) | A kind of foam concrete | |
| CN107902997B (en) | Pumpable counterweight concrete | |
| CN106517857B (en) | A kind of high overlength of system containing mud guarantor is collapsed concrete tailored version poly carboxylic acid series water reducer | |
| CN111138133A (en) | Impact-resistant and wear-resistant composite material for hydraulic building | |
| CN105439510A (en) | Environment-friendly high-strength wear-resistant self-leveling mortar | |
| CN108191338A (en) | A kind of high-performance artificial sand concrete prepared by the use of mountain flour and rice hull ash as admixture | |
| CN106007456B (en) | Improve the water-reducing agent of concrete performance | |
| CN108298859A (en) | Concrete impact-resistant grinding agent and preparation method thereof, application | |
| CN103043971A (en) | Cracking-resistant cement-base waterproof coating | |
| CN108947312A (en) | A kind of early-strength function grinding aid | |
| CN114230227B (en) | Anti-mud concrete glue reducing agent and preparation method and application thereof | |
| CN106007455B (en) | A kind of water-reducing agent for improving concrete performance | |
| CN108484053A (en) | A kind of resistance to compression steel fiber reinforced concrete | |
| CN103193405A (en) | Silicon mortar material as well as preparation and applications thereof | |
| CN104261704A (en) | Jelling material for chlorine-salt-resistant high-performance concrete | |
| CN105152602B (en) | A kind of mattess cement-base wear-resistant material | |
| CN114105571A (en) | Machine-made sand self-compacting rock-fill concrete material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CB03 | Change of inventor or designer information |
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 |
|
| CB03 | Change of inventor or designer information |