CN103121805A - High-performance concrete anti-cracking high efficiency water reducing agent - Google Patents
High-performance concrete anti-cracking high efficiency water reducing agent Download PDFInfo
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- CN103121805A CN103121805A CN2013100357207A CN201310035720A CN103121805A CN 103121805 A CN103121805 A CN 103121805A CN 2013100357207 A CN2013100357207 A CN 2013100357207A CN 201310035720 A CN201310035720 A CN 201310035720A CN 103121805 A CN103121805 A CN 103121805A
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Abstract
The invention relates to a high-performance concrete anti-cracking high efficiency water reducing agent which is prepared from the following raw materials in parts by mass: 190-200 parts of sulfanilic acid, 16-26 parts of melamine, 12-17 parts of catechol, 93-103 parts of phenol, 190-210 parts of 37 wt% formaldehyde solution, 50-60 parts of 30 wt% NaOH solution, 5-7 parts of nonylphenol polyethenoxy ether, 5-7 parts of fatty alcohol polyethenoxy ether, 25-35 parts of 98 wt% citric acid solution, 4-6 parts of aluminum sulfate and 350-380 parts of water. The invention has the characteristics of high water reducing rate and strong adaptability, and is applicable to commercial concrete, high-strength high-performance concrete, mass concrete, special reinforced concrete and construction engineering hydro concrete.
Description
Technical field
The present invention relates to the admixture technical field in material of construction, relate in particular to high performance concrete cracking resistance high efficiency water reducing agent.
Background technology
Cement water reducing agent not only can improve the level of Building technology as a kind of type material, improves concrete performance, can also save a large amount of cement and manpower and materials, has higher value, and this has been admitted facts.
Yet, owing to producing the required starting material of high performance concrete, strict requirement is arranged, the silt content of sand, stone or the fineness of flyash and the amount of making a fire all have strict requirement, so the high efficiency water reducing agent for the construction high performance concrete requires strict too, no matter be the water-reducing rate of water reducer, or the bleed composition of water reducer all can have influence on the quality of high performance concrete.
High efficiency water reducing agent performance in the market is single, only has the diminishing function, and different for the cement adaptability of different manufacturers, all must could change its adaptability through composite other material, and is difficult to control.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of water-reducing rate is high, adaptable high performance concrete cracking resistance high efficiency water reducing agent.
For addressing the above problem, high performance concrete cracking resistance high efficiency water reducing agent of the present invention, it is characterized in that: this water reducer is comprised of the raw material of following mass parts: 190 ~ 200 parts of Sulphanilic Acid, 16 ~ 26 parts of trimeric cyanamides, 12 ~ 17 parts of catechols, 93 ~ 103 parts of phenol, mass concentration are that 37% 190 ~ 210 parts of formaldehyde solutions, mass concentration are that 30% 5 ~ 7 parts of 5 ~ 7 parts of 50 ~ 60 parts of NaOH solution, polyoxyethylene nonylphenol ethers, fatty alcohol-polyoxyethylene ether, mass concentration are 98% 4 ~ 6 parts, 25 ~ 35 parts of citric acid solutions, Tai-Ace S 150,350 ~ 380 parts, water.
The preparation method of high performance concrete cracking resistance high efficiency water reducing agent as above comprises the following steps:
⑴ weigh by proportioning;
⑵ add water, Sulphanilic Acid, trimeric cyanamide, catechol, phenol respectively in reactor, after stirring, obtains the pH value and be 4.5 ~ 5.5 mixture; Then with described mixture heating up to 80 ~ 90 ℃, and to drip described mass concentration in 1 ~ 3 hour be 37% formaldehyde solution, and insulation reaction 3 ~ 5 hours obtains reaction mass;
⑶ be cooled to described reaction mass that to add described mass concentration after 30 ~ 40 ℃ be 30% NaOH solution, the pH value to 8.5 that makes described reaction mass of stirring ~ 10; Then adding successively polyoxyethylene nonylphenol ether, fatty alcohol-polyoxyethylene ether, described mass concentration is 98% citric acid solution, Tai-Ace S 150, stirs and namely gets the brown liquid product, and the solid content of this solution is 35% ~ 38%.
The application of high performance concrete cracking resistance high efficiency water reducing agent as above in concrete is characterized in that: it is 0.4 ~ 1.0% of gelling material quality that this water reducer calculates its volume by solid content.
The present invention compared with prior art has the following advantages:
1, the present invention combines advantage amino and melamine high-efficiency water-reducing agent, has improved bleeding, simultaneously under low-dosage, folding contains 0.3 ~ 0.6 admittedly, its water-reducing rate can reach 25 ~ 35%, its concrete pressure-proof and snap-resistent is increased substantially, and only starch degree of mobilization 240 ~ 280mm.
2, owing to having used polyoxyethylene nonylphenol ether, fatty alcohol-polyoxyethylene ether in the present invention, therefore, the present invention can improve concrete mobility significantly, improve large ultimate compression strength and the weather resistance of coagulation, concrete slump 2h loses less than 10%, and to the reinforcing bar non-corroding effect in concrete.
3, owing to having used citric acid in the present invention, therefore, the present invention has extremely strong adaptability, and various cement and admixture are had fabulous intermiscibility, and the slow setting time is easy to control, and to the temperature strong adaptability, does not change greatly because of the temperature difference.
4, owing to having used Tai-Ace S 150 in the present invention, therefore, the present invention has extremely strong dispersing property to cement and mineral admixture consumption, significantly improve the crack-resistant performance of concrete after sclerosis, reduce shrinkage and creep, be applicable to commerical ready-mixed concrete, high-strength high-performance concrete, mass concrete, special Steel Concrete, structures engineering water earth concrete.
5, in preparation method of the present invention, reactions steps is few, and reinforced afterreaction temperature is low, convenient operation, and energy consumption is low.
6, the present invention Lanzhou national petroleum reserve base project, in and practical application in the engineering construction of real estate base concrete, PetroChina Company Limited.'s 12 street Housing Project Groundwork Concrete Engineerings, 5,000,000 tons of device concrete workses of PetroChina Company Limited., effect is remarkable, has effectively overcome the problem of the dried shrinkage crack of mass concrete.
Embodiment
Embodiment 1High performance concrete cracking resistance high efficiency water reducing agent, this water reducer is comprised of the raw material of following mass parts: 195 parts of Sulphanilic Acid, 21 parts of trimeric cyanamides, 12 parts of catechols, 98 parts of phenol, mass concentration are that 37% 200 parts of formaldehyde solutions, mass concentration are that 30% 6 parts of 6 parts of 55 parts of NaOH solution, polyoxyethylene nonylphenol ethers, fatty alcohol-polyoxyethylene ether, mass concentration are 98% 4 parts, 25 parts of citric acid solutions, Tai-Ace S 150,380 parts, water.
The preparation method of this high performance concrete cracking resistance high efficiency water reducing agent comprises the following steps:
⑴ weigh by proportioning.
⑵ add water, Sulphanilic Acid, trimeric cyanamide, catechol, phenol respectively in reactor, after stirring, obtains the pH value and be 4.5 ~ 5.5 mixture; Then with mixture heating up to 80 ~ 90 ℃, and to drip mass concentration in 1 ~ 3 hour be 37% formaldehyde solution, and insulation reaction 3 ~ 5 hours obtains reaction mass.
⑶ be cooled to reaction mass that to add mass concentration after 30 ~ 40 ℃ be 30% NaOH solution, the pH value to 8.5 that makes reaction mass of stirring ~ 10; Then adding successively polyoxyethylene nonylphenol ether, fatty alcohol-polyoxyethylene ether, mass concentration is 98% citric acid solution, Tai-Ace S 150, stirs and namely gets the brown liquid product, and the solid content of this solution is 35% ~ 38%.
Embodiment 2High performance concrete cracking resistance high efficiency water reducing agent, this water reducer is comprised of the raw material of following mass parts: 200 parts of Sulphanilic Acid, 26 parts of trimeric cyanamides, 17 parts of catechols, 93 parts of phenol, mass concentration are that 37% 190 parts of formaldehyde solutions, mass concentration are that 30% 5 parts of 5 parts of 60 parts of NaOH solution, polyoxyethylene nonylphenol ethers, fatty alcohol-polyoxyethylene ether, mass concentration are 98% 5 parts, 30 parts of citric acid solutions, Tai-Ace S 150,370 parts, water.
The preparation method of this high performance concrete cracking resistance high efficiency water reducing agent is same
Embodiment 1
Embodiment 3High performance concrete cracking resistance high efficiency water reducing agent, this water reducer is comprised of the raw material of following mass parts: 190 parts of Sulphanilic Acid, 16 parts of trimeric cyanamides, 14 parts of catechols, 103 parts of phenol, mass concentration are that 37% 210 parts of formaldehyde solutions, mass concentration are that 30% 7 parts of 7 parts of 50 parts of NaOH solution, polyoxyethylene nonylphenol ethers, fatty alcohol-polyoxyethylene ether, mass concentration are 98% 6 parts, 35 parts of citric acid solutions, Tai-Ace S 150,350 parts, water.
The preparation method of this high performance concrete cracking resistance high efficiency water reducing agent is same
Embodiment 1
Above-mentioned
Embodiment 1 ~ 3The application of middle high performance concrete cracking resistance high efficiency water reducing agent in concrete refers to: it is 0.4 ~ 1.0% of gelling material quality that this water reducer calculates its volume by solid content.
Claims (3)
1. high performance concrete cracking resistance high efficiency water reducing agent, it is characterized in that: this water reducer is comprised of the raw material of following mass parts: 190 ~ 200 parts of Sulphanilic Acid, 16 ~ 26 parts of trimeric cyanamides, 12 ~ 17 parts of catechols, 93 ~ 103 parts of phenol, mass concentration are that 37% 190 ~ 210 parts of formaldehyde solutions, mass concentration are that 30% 5 ~ 7 parts of 5 ~ 7 parts of 50 ~ 60 parts of NaOH solution, polyoxyethylene nonylphenol ethers, fatty alcohol-polyoxyethylene ether, mass concentration are 98% 4 ~ 6 parts, 25 ~ 35 parts of citric acid solutions, Tai-Ace S 150,350 ~ 380 parts, water.
2. the preparation method of high performance concrete cracking resistance high efficiency water reducing agent as claimed in claim 1 comprises the following steps:
⑴ weigh by proportioning;
⑵ add water, Sulphanilic Acid, trimeric cyanamide, catechol, phenol respectively in reactor, after stirring, obtains the pH value and be 4.5 ~ 5.5 mixture; Then with described mixture heating up to 80 ~ 90 ℃, and to drip described mass concentration in 1 ~ 3 hour be 37% formaldehyde solution, and insulation reaction 3 ~ 5 hours obtains reaction mass;
⑶ be cooled to described reaction mass that to add described mass concentration after 30 ~ 40 ℃ be 30% NaOH solution, the pH value to 8.5 that makes described reaction mass of stirring ~ 10; Then adding successively polyoxyethylene nonylphenol ether, fatty alcohol-polyoxyethylene ether, described mass concentration is 98% citric acid solution, Tai-Ace S 150, stirs and namely gets the brown liquid product, and the solid content of this solution is 35% ~ 38%.
3. the application of high performance concrete cracking resistance high efficiency water reducing agent as claimed in claim 1 in concrete is characterized in that: it is 0.4 ~ 1.0% of gelling material quality that this water reducer calculates its volume by solid content.
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| CN201310035720.7A CN103121805B (en) | 2013-01-30 | 2013-01-30 | High-performance concrete anti-cracking high efficiency water reducing agent |
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| CN103121805B CN103121805B (en) | 2014-11-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103865006A (en) * | 2014-02-25 | 2014-06-18 | 刘志勇 | Polycarboxylate superplasticizer with rust prevention function and preparation method thereof |
| CN104402291A (en) * | 2014-11-04 | 2015-03-11 | 张桂华 | High-efficiency composite concrete water reducing agent |
| CN106049504A (en) * | 2016-06-12 | 2016-10-26 | 青岛海川建设集团有限公司 | Construction method for optimizing corner structure of pile-anchor support system of deep foundation pit through space effect |
| CN106188455A (en) * | 2016-07-25 | 2016-12-07 | 抚顺东科精细化工有限公司 | A kind of synthetic method of bisphenol A polyethenoxy ether modified sulfamate water reducer |
| CN107640922A (en) * | 2017-10-13 | 2018-01-30 | 河南省三门峡黄河大桥高速公路建设有限公司 | Improve additive of concrete durability and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003424A (en) * | 2006-12-05 | 2007-07-25 | 西安建筑科技大学 | Concrete superplasticizer in amino carboxyl classes, and synthetic method |
| CN101723615A (en) * | 2009-12-18 | 2010-06-09 | 江苏特密斯混凝土外加剂有限公司 | Method for preparing novel sulfamic acid high-efficiency concrete water reducing agent |
-
2013
- 2013-01-30 CN CN201310035720.7A patent/CN103121805B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003424A (en) * | 2006-12-05 | 2007-07-25 | 西安建筑科技大学 | Concrete superplasticizer in amino carboxyl classes, and synthetic method |
| CN101723615A (en) * | 2009-12-18 | 2010-06-09 | 江苏特密斯混凝土外加剂有限公司 | Method for preparing novel sulfamic acid high-efficiency concrete water reducing agent |
Non-Patent Citations (2)
| Title |
|---|
| 李海波 等: "外加剂的发展现状及其在混凝土路面工程中的应用", 《湖南交通科技》 * |
| 邱学青 等: "氨基磺酸系高效减水剂的研究现状与发展方向", 《化工进展》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103865006A (en) * | 2014-02-25 | 2014-06-18 | 刘志勇 | Polycarboxylate superplasticizer with rust prevention function and preparation method thereof |
| CN104402291A (en) * | 2014-11-04 | 2015-03-11 | 张桂华 | High-efficiency composite concrete water reducing agent |
| CN106049504A (en) * | 2016-06-12 | 2016-10-26 | 青岛海川建设集团有限公司 | Construction method for optimizing corner structure of pile-anchor support system of deep foundation pit through space effect |
| CN106188455A (en) * | 2016-07-25 | 2016-12-07 | 抚顺东科精细化工有限公司 | A kind of synthetic method of bisphenol A polyethenoxy ether modified sulfamate water reducer |
| CN107640922A (en) * | 2017-10-13 | 2018-01-30 | 河南省三门峡黄河大桥高速公路建设有限公司 | Improve additive of concrete durability and preparation method thereof |
| CN107640922B (en) * | 2017-10-13 | 2020-05-22 | 浙江雄宇混凝土构件有限公司 | Additive for improving durability of concrete and preparation method thereof |
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| CN103121805B (en) | 2014-11-05 |
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