CN102898060A - Efficient sulfamic acid water reducing agent and preparation method thereof - Google Patents
Efficient sulfamic acid water reducing agent and preparation method thereof Download PDFInfo
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- CN102898060A CN102898060A CN2012104282883A CN201210428288A CN102898060A CN 102898060 A CN102898060 A CN 102898060A CN 2012104282883 A CN2012104282883 A CN 2012104282883A CN 201210428288 A CN201210428288 A CN 201210428288A CN 102898060 A CN102898060 A CN 102898060A
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Abstract
The invention discloses an efficient sulfamic acid water reducing agent and a preparation method thereof. The water reducing agent is prepared from the following raw materials: 10 to 15 parts of amino aryl sulfonic acid, 6 to 15 parts of phenol organic substance, 3 to 6 parts of pH regulator, 20 to 35 parts of aldehyde organic substance, 3 to 15 parts of urea, 2 to 7 parts of carbolic oil, and 30 to 50 parts of water. The preparation method comprises the following steps of: adding the water and the amino aryl sulfonic acid into a reaction kettle, stirring, heating, adding the phenol organic substance, the urea and the carbolic oil, and regulating the solution by using the pH regulator so that the solution is weakly alkali; dripping the aldehyde organic substance, keeping the temperature at 55 to 85 DEG C, and controlling the dripping speed; and after all the aldehyde organic substance is dripped, heating, and preserving the heat for 1.5 to 3.0 hours. By adopting the cheap carbolic oil and the cheap urea, the production cost of the sulfamic acid water reducing agent can be effectively reduced; and the sulfamic acid water reducing agent has the advantages of low slump loss, low bleeding rate, high water reducing rate, simple preparation process and the like.
Description
Technical field
The present invention relates to the water reducer field, particularly relate to a kind of efficient Sulfamic acid water reducing agent and preparation method thereof.
Background technology
Develop rapidly along with society and Modern Construction technology has proposed higher, the more requirement of diversification to concrete quality and performance.High-performance water reducing agent is as one of high performance concrete composition material, and the research and development high-performance water reducing agent becomes adaptation and realizes one of concrete high-performance important means.
The consistency of present most popular naphthalene system and melamine superplasticizer and cement existing problems, the problem such as occur that water-reducing rate reduces and slump-loss is excessive has caused suitable difficulty to concrete construction.Because it is high that the thionamic acid series high-performance dehydragent has a water-reducing rate, slump is little through time loss, and alkalinity is lower, is conducive to prevent the concrete alkali aggregate reaction, use in winter has become current one of the high-performance water reducing agent of development prospect that has most without characteristics such as precipitation, crystallizations.
But traditional thionamic acid series high-performance dehydragent is responsive to volume, and cost of material is higher, to such an extent as to cause production cost higher, bleeding rate is high, and slump-loss is not very good.
Summary of the invention
It is low that the technical problem that the present invention mainly solves provides a kind of production cost, can effectively improve efficient Sulfamic acid water reducing agent of bleeding rate and slump-loss and preparation method thereof.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of efficient Sulfamic acid water reducing agent is provided, and it is that raw material by following portions by weight is prepared from:
10 ~ 15 parts of amino-aryl sulfonic acids,
6 ~ 15 parts of phenol organic matters,
3 ~ 6 parts of pH adjusting agents,
20 ~ 35 parts of aldehydes organism,
3 ~ 15 parts in urea,
2 ~ 7 parts of carbolic oil,
Water 30-50 part.
In a preferred embodiment of the present invention, described amino-aryl sulfonic acid is a kind of in Sulphanilic Acid, diamino benzene sulfonic acid or the m-sulfanilic acid.
In a preferred embodiment of the present invention, described phenol organic matter is monohydric phenol, polyphenol, alkylphenol or bis-phenol.
In a preferred embodiment of the present invention, described phenol organic matter is a kind of in phenol, cresols or the Ortho Cresol.
In a preferred embodiment of the present invention, described pH adjusting agent is sodium hydroxide.
In a preferred embodiment of the present invention, described aldehydes organism is formaldehyde, acetaldehyde or trioxymethylene.
In a preferred embodiment of the present invention, described aldehydes organism is the 20-30% formalin.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of preparation method of efficient Sulfamic acid water reducing agent is provided, may further comprise the steps:
(1) with stirring in water and the amino-aryl sulfonic acid input reactor, drops into phenol organic matter, urea and carbolic oil when being warming up to 30 ~ 40 ℃, with pH adjusting agent the pH value is transferred to 7 ~ 10, make solution be weakly alkaline;
(2) then begin to drip the aldehydes organism, keeping temperature is 55 ~ 85 ℃, and the control rate of addition dropwises at 0.5 ~ 2 h;
(3) after the aldehydes organism dropwises, be warming up to 90 ~ 100 ℃, insulation 1.5 ~ 3.0 h namely make efficient Sulfamic acid water reducing agent.
The invention has the beneficial effects as follows: the present invention has adopted low-cost carbolic oil and urea, can effectively reduce the production cost of Sulfamic acid water reducing agent; The present invention has the advantages such as slump-loss is less, and bleeding rate is low, and water-reducing rate is high, and preparation technology is simple.
Embodiment
The below is described in detail preferred embodiment of the present invention, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
Embodiment 1
A kind of efficient Sulfamic acid water reducing agent, it is that raw material by following portions by weight is prepared from:
12 parts of Sulphanilic Acid,
10 parts of phenol,
4 parts of sodium hydroxide pH adjusting agents,
28 parts of 25% formalins,
10 parts in urea,
5 parts of carbolic oil,
40 parts in water.
The preparation of this efficient Sulfamic acid water reducing agent is carried out as follows:
(1) with stirring in water and the Sulphanilic Acid input reactor, drops into phenol, urea and carbolic oil when being warming up to 30 ℃, with the sodium hydroxide pH adjusting agent pH value is transferred to 8, make solution be weakly alkaline;
(2) then begin to drip 25% formalin, keeping temperature is 70 ℃, and the control rate of addition dropwises at 1.5 h;
(3) after 25% formalin dropwises, be warming up to 100 ℃, be incubated 2.0 h, namely make efficient Sulfamic acid water reducing agent.
Embodiment 2
A kind of efficient Sulfamic acid water reducing agent, it is that raw material by following portions by weight is prepared from:
15 parts of Sulphanilic Acid,
14 parts of phenol,
5 parts of sodium hydroxide pH adjusting agents,
35 parts in acetaldehyde,
13 parts in urea,
7 parts of carbolic oil,
50 parts in water.
The preparation of this efficient Sulfamic acid water reducing agent is carried out as follows:
(1) with stirring in water and the Sulphanilic Acid input reactor, drops into phenol, urea and carbolic oil when being warming up to 35 ℃, with the sodium hydroxide pH adjusting agent pH value is transferred to 10, make solution be weakly alkaline;
(2) then begin to drip acetaldehyde, keeping temperature is 85 ℃, and the control rate of addition dropwises at 2 h;
(3) after acetaldehyde dropwises, be warming up to 95 ℃, be incubated 3.0 h, namely make efficient Sulfamic acid water reducing agent.
Embodiment 3
A kind of efficient Sulfamic acid water reducing agent, it is that raw material by following portions by weight is prepared from:
10 parts of Sulphanilic Acid,
6 parts of phenol,
3 parts of sodium hydroxide pH adjusting agents,
21 parts of trioxymethylenes,
4 parts in urea,
2 parts of carbolic oil,
30 parts in water.
The preparation of this efficient Sulfamic acid water reducing agent is carried out as follows:
(1) with stirring in water and the Sulphanilic Acid input reactor, drops into phenol organic matter, urea and carbolic oil when being warming up to 40 ℃, with pH adjusting agent the pH value is transferred to 9, make solution be weakly alkaline;
(2) then begin to drip trioxymethylene, keeping temperature is 60 ℃, and the control rate of addition dropwises at 1 h;
(3) after trioxymethylene dropwises, be warming up to 90 ℃, be incubated 1.5 h, namely make efficient Sulfamic acid water reducing agent.
The present invention has adopted low-cost carbolic oil and urea, can effectively reduce the production cost of Sulfamic acid water reducing agent; The present invention has the advantages such as slump-loss is less, and bleeding rate is low, and water-reducing rate is high, and preparation technology is simple.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. an efficient Sulfamic acid water reducing agent is characterized in that, it is that raw material by following portions by weight is prepared from:
10 ~ 15 parts of amino-aryl sulfonic acids,
6 ~ 15 parts of phenol organic matters,
3 ~ 6 parts of pH adjusting agents,
20 ~ 35 parts of aldehydes organism,
3 ~ 15 parts in urea,
2 ~ 7 parts of carbolic oil,
Water 30-50 part.
2. efficient Sulfamic acid water reducing agent according to claim 1 is characterized in that, described amino-aryl sulfonic acid is a kind of in Sulphanilic Acid, diamino benzene sulfonic acid or the m-sulfanilic acid.
3. efficient Sulfamic acid water reducing agent according to claim 1 is characterized in that, described phenol organic matter is monohydric phenol, polyphenol, alkylphenol or bis-phenol.
4. efficient Sulfamic acid water reducing agent according to claim 3 is characterized in that, described phenol organic matter is a kind of in phenol, cresols or the Ortho Cresol.
5. efficient Sulfamic acid water reducing agent according to claim 1 is characterized in that, described pH adjusting agent is sodium hydroxide.
6. efficient Sulfamic acid water reducing agent according to claim 1 is characterized in that, described aldehydes organism is formaldehyde, acetaldehyde or trioxymethylene.
7. efficient Sulfamic acid water reducing agent according to claim 6 is characterized in that, described aldehydes organism is the 20-30% formalin.
8. the preparation method of efficient Sulfamic acid water reducing agent according to claim 1 is characterized in that,
May further comprise the steps:
(1) with stirring in water and the amino-aryl sulfonic acid input reactor, drops into phenol organic matter, urea and carbolic oil when being warming up to 30 ~ 40 ℃, with pH adjusting agent the pH value is transferred to 7 ~ 10, make solution be weakly alkaline;
(2) then begin to drip the aldehydes organism, keeping temperature is 55 ~ 85 ℃, and the control rate of addition dropwises at 0.5 ~ 2 h;
(3) after the aldehydes organism dropwises, be warming up to 90 ~ 100 ℃, insulation 1.5 ~ 3.0 h namely make efficient Sulfamic acid water reducing agent.
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| CN2012104282883A CN102898060A (en) | 2012-11-01 | 2012-11-01 | Efficient sulfamic acid water reducing agent and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265204A (en) * | 2013-05-10 | 2013-08-28 | 济南融祺建材有限公司 | Preparation method of efficient water reducer for sulfamate |
| CN108623767A (en) * | 2018-05-18 | 2018-10-09 | 萧县沃德化工科技有限公司 | A kind of modified amido sulfoacid series water-reducing agent of waste residue in the production process containing phenols |
| CN113248177A (en) * | 2021-07-06 | 2021-08-13 | 四川宇砼建材有限公司 | High-performance composite water reducing agent and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706769A (en) * | 2005-05-12 | 2005-12-14 | 江苏苏博特新材料股份有限公司 | Amino sulfonic acid water reducing agent with very low alkali content and its production process |
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2012
- 2012-11-01 CN CN2012104282883A patent/CN102898060A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706769A (en) * | 2005-05-12 | 2005-12-14 | 江苏苏博特新材料股份有限公司 | Amino sulfonic acid water reducing agent with very low alkali content and its production process |
Non-Patent Citations (1)
| Title |
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| 肖华舫: "煤焦油系高效混凝土减水剂", 《化学与生物工程》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265204A (en) * | 2013-05-10 | 2013-08-28 | 济南融祺建材有限公司 | Preparation method of efficient water reducer for sulfamate |
| CN103265204B (en) * | 2013-05-10 | 2015-07-29 | 济南融祺建材有限公司 | A kind of making method of sulfamate high-effective water-reducing agent |
| CN108623767A (en) * | 2018-05-18 | 2018-10-09 | 萧县沃德化工科技有限公司 | A kind of modified amido sulfoacid series water-reducing agent of waste residue in the production process containing phenols |
| CN113248177A (en) * | 2021-07-06 | 2021-08-13 | 四川宇砼建材有限公司 | High-performance composite water reducing agent and preparation method thereof |
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Owner name: JIANGSU HUDI BUILDING MATERIALS CO., LTD. Free format text: FORMER OWNER: XU YOUJUAN Effective date: 20130506 |
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Effective date of registration: 20130506 Address after: 213176 Industrial Zone, Lijia Town, Wujin District, Jiangsu, Changzhou Applicant after: Jiangsu Huidi Building Materials Co., Ltd. Address before: 213100 Jiangsu Province, Changzhou city Wujin District Lijia Town Industrial Park (Qin Xiang Cun Yu Jia group) Applicant before: Xu Youjuan |
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Application publication date: 20130130 |