CN107601953A - A kind of cement products early strength agent - Google Patents
A kind of cement products early strength agent Download PDFInfo
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- CN107601953A CN107601953A CN201711035114.XA CN201711035114A CN107601953A CN 107601953 A CN107601953 A CN 107601953A CN 201711035114 A CN201711035114 A CN 201711035114A CN 107601953 A CN107601953 A CN 107601953A
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- strength agent
- early strength
- cement products
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Abstract
The invention discloses a kind of cement products early strength agent, the early strength agent comprises at least following raw material：Nitre, acrylic acid, maleic anhydride, potassium hydrogen tartrate, triethanolamine, hydrofluoric acid, sodium nitrate, urea and alkylene triamine.Cement products early strength agent of the present invention, each group bulk-breaking can play cooperative compensating effect.When 1d, compressive strength rate reaches more than 200%, meets the demoulding requirement of concrete hollow block.The slump amount of concrete hollow block during demoulding is also reduced simultaneously.Demoulding time is shortened, improves operating efficiency.
Description
Technical field
The present invention relates to building material field, more particularly to a kind of cement products early strength agent.
Background technology
Early strength agent is one of additive of cement and cement matrix.Refer to that cement can be improved and cement-based articles early stage is strong
Degree, and the additive not made significant difference to later strength.The main function of early strength agent is to accelerate hydrated cementitious speed, promoted
The development of early age strength of concrete；Both there is early powerful, there is certain water reducing and strength increasing function again.Existing cement products production
When, demoulding time length, production efficiency is had a strong impact on, using existing early strength agent, it is bad using effect to be still present, demoulding time
The shortcomings that longer.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of cement products early strength agent, so as to overcome cement products demoulding time to grow,
The shortcomings that low production efficiency.
To achieve the above object, the invention provides a kind of cement products early strength agent, the early strength agent comprise at least with
Lower raw material：Nitre, acrylic acid, maleic anhydride, potassium hydrogen tartrate, triethanolamine, hydrofluoric acid, sodium nitrate, urea and alkylidene three
Amine.
Preferably, in above-mentioned technical proposal, described cement products early strength agent, count in parts by weight, the early strength agent
Including at least following raw material：Nitre 2-9 parts, acrylic acid 3-5 parts, maleic anhydride 1-5 parts, potassium hydrogen tartrate 4-11 parts, three ethanol
Amine 5-11 parts, hydrofluoric acid 1-3 parts, sodium nitrate 5-9 parts, urea 7-13 parts and alkylene triamine 3-7 parts.
Preferably, in above-mentioned technical proposal, described cement products early strength agent, the early strength agent also includes following original
Material：One kind, sodium sulphate, soda, glycolic, bentonite, p-methyl benzenesulfonic acid in cellulose ether, calcium oxalate or calcium formate and receive
Rice calcium carbonate.
Preferably, in above-mentioned technical proposal, described cement products early strength agent, count in parts by weight, the early strength agent
Also include following raw material：A kind of 6-10 parts, sodium sulphate 2-7 parts in cellulose ether 9-15 parts, calcium oxalate or calcium formate, soda
3-8 parts, glycolic 1-5 parts, bentonite 7-12 parts, p-methyl benzenesulfonic acid 1-4 parts and nano-calcium carbonate 6-13 parts.
Preferably, in above-mentioned technical proposal, described cement products early strength agent, count in parts by weight, the early strength agent
Including following raw material：Nitre 2-9 parts, acrylic acid 3-5 parts, maleic anhydride 1-5 parts, potassium hydrogen tartrate 4-11 parts, triethanolamine 5-
11 parts, hydrofluoric acid 1-3 parts, sodium nitrate 5-9 parts, urea 7-13 parts, alkylene triamine 3-7 parts, cellulose ether 9-15 parts, calcium oxalate
Or a kind of 6-10 parts in calcium formate, sodium sulphate 2-7 parts, soda 3-8 parts, glycolic 1-5 parts, bentonite 7-12 parts, to first
Benzene sulfonic acid 1-4 parts and nano-calcium carbonate 6-13 parts.
Preferably, in above-mentioned technical proposal, described cement products early strength agent, count in parts by weight, the early strength agent
Including following raw material：5 parts of nitre, 4 parts of acrylic acid, 3 parts of maleic anhydride, 7 parts of potassium hydrogen tartrate, 8 parts of triethanolamine, hydrofluoric acid 2
Part, 6 parts of sodium nitrate, 9 parts of urea, 5 parts of alkylene triamine, 12 parts of cellulose ether, calcium oxalate or 7 parts of one kind in calcium formate,
8 parts of 5 parts of sodium sulphate, 6 parts of soda, 3 parts of glycolic, 9 parts of bentonite, 3 parts of p-methyl benzenesulfonic acid and nano-calcium carbonate.
Preferably, in above-mentioned technical proposal, the cellulose ether is hydroxyethylmethylcellulose, carboxymethyl cellulose, second
One or more in base cellulose, benzylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose.
Preferably, in above-mentioned technical proposal, the mass ratio that the early strength agent uses in cement products is early strength agent：
Cement is 1-5:100.
Compared with prior art, the present invention has the advantages that：Cement products early strength agent of the present invention, each group bulk-breaking
Cooperative compensating effect can be played.When 1d, compressive strength rate reaches more than 200%, meets the de- of concrete hollow block
Mould requirement.The slump amount of concrete hollow block during demoulding is also reduced simultaneously.Demoulding time is shortened, improves work effect
Rate.
Embodiment
With reference to specific embodiment, the embodiment of the present invention is described in detail, it is to be understood that this hair
Bright protection domain is not limited by embodiment.
Embodiment 1
A kind of cement products early strength agent, is counted in parts by weight, and the early strength agent includes following raw material：5 parts of nitre, propylene
4 parts of acid, 3 parts of maleic anhydride, 7 parts of potassium hydrogen tartrate, 8 parts of triethanolamine, 2 parts of hydrofluoric acid, 6 parts of sodium nitrate, 9 parts of urea, alkylene
5 parts of base triamine, 12 parts of cellulose ether, 7 parts of calcium formate, 5 parts of sodium sulphate, 6 parts of soda, 3 parts of glycolic, 9 parts of bentonite, to toluene
8 parts of 3 parts of sulfonic acid and nano-calcium carbonate.
The cellulose ether is ethyl cellulose and benzylcellulose, and the mass ratio of mixing is 1:1.
Concrete hollow block is prepared using early strength agent manufactured in the present embodiment, the early strength agent makes in concrete hollow block
Mass ratio is early strength agent：Cement is 3:100.
Embodiment 2
A kind of cement products early strength agent, is counted in parts by weight, and the early strength agent includes following raw material：2 parts of nitre, propylene
5 parts of acid, 1 part of maleic anhydride, 11 parts of potassium hydrogen tartrate, 11 parts of triethanolamine, 3 parts of hydrofluoric acid, 5 parts of sodium nitrate, 13 parts of urea, Asia
3 parts of alkyl triamine, 15 parts of cellulose ether, 6 parts of calcium oxalate, 2 parts of sodium sulphate, 8 parts of soda, 5 parts of glycolic, 7 parts of bentonite, to first
6 parts of 4 parts of benzene sulfonic acid and nano-calcium carbonate.
The cellulose ether is carboxymethyl cellulose and ethyl cellulose, and the mass ratio of mixing is 1:1.
Concrete hollow block is prepared using early strength agent manufactured in the present embodiment, the early strength agent makes in concrete hollow block
Mass ratio is early strength agent：Cement is 1:100.
Embodiment 3
A kind of cement products early strength agent, is counted in parts by weight, and the early strength agent includes following raw material：9 parts of nitre, propylene
3 parts of acid, 5 parts of maleic anhydride, 4 parts of potassium hydrogen tartrate, 5 parts of triethanolamine, 1 part of hydrofluoric acid, 9 parts of sodium nitrate, 7 parts of urea, alkylene
7 parts of base triamine, 9 parts of cellulose ether, 10 parts of calcium oxalate, 7 parts of sodium sulphate, 3 parts of soda, 1 part of glycolic, 12 parts of bentonite, to first
13 parts of 1 part of benzene sulfonic acid and nano-calcium carbonate.
The cellulose ether is hydroxyethylmethylcellulose.
Concrete hollow block is prepared using early strength agent manufactured in the present embodiment, the early strength agent makes in concrete hollow block
Mass ratio is early strength agent：Cement is 5:100.
Comparative example 1
A kind of cement products early strength agent, is counted in parts by weight, and the early strength agent includes following raw material：Cellulose ether 12
Part, 7 parts of calcium formate, 5 parts of sodium sulphate, 6 parts of soda, 3 parts of glycolic, 9 parts of bentonite, 3 parts of p-methyl benzenesulfonic acid and nano-calcium carbonate 8
Part.
The cellulose ether is ethyl cellulose and benzylcellulose, and the mass ratio of mixing is 1:1.
Concrete hollow block is prepared using early strength agent manufactured in the present embodiment, the early strength agent makes in concrete hollow block
Mass ratio is early strength agent：Cement is 3:100.
By the early strength agent of embodiment and comparative example, for making concrete hollow block, (concrete hollow block is that in the market is common
Concrete hollow block, the difference of production process is the early strength agent that with the addition of the application and comparative example), and then detect concrete
The indices of hollow brick.Performance test is as shown in table 1.Comparative example 2 is the common concrete hollow block of in the market in table 1,
In production process and it is not added with early strength agent.Table 1 is the contrast of embodiment and comparative example concrete hollow block setting time and intensity.
Table 1 is the contrast of concrete hollow block setting time and intensity
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of cement products early strength agent, it is characterised in that the early strength agent comprises at least following raw material：Nitre, acrylic acid,
Maleic anhydride, potassium hydrogen tartrate, triethanolamine, hydrofluoric acid, sodium nitrate, urea and alkylene triamine.
2. cement products early strength agent according to claim 1, it is characterised in that count in parts by weight, the early strength agent
Including at least following raw material：Nitre 2-9 parts, acrylic acid 3-5 parts, maleic anhydride 1-5 parts, potassium hydrogen tartrate 4-11 parts, three ethanol
Amine 5-11 parts, hydrofluoric acid 1-3 parts, sodium nitrate 5-9 parts, urea 7-13 parts and alkylene triamine 3-7 parts.
3. cement products early strength agent according to claim 1, it is characterised in that the early strength agent also includes following original
Material：One kind, sodium sulphate, soda, glycolic, bentonite, p-methyl benzenesulfonic acid in cellulose ether, calcium oxalate or calcium formate and receive
Rice calcium carbonate.
4. cement products early strength agent according to claim 1, it is characterised in that count in parts by weight, the early strength agent
Also include following raw material：A kind of 6-10 parts, sodium sulphate 2-7 parts in cellulose ether 9-15 parts, calcium oxalate or calcium formate, soda
3-8 parts, glycolic 1-5 parts, bentonite 7-12 parts, p-methyl benzenesulfonic acid 1-4 parts and nano-calcium carbonate 6-13 parts.
5. cement products early strength agent according to claim 1, it is characterised in that count in parts by weight, the early strength agent
Including following raw material：Nitre 2-9 parts, acrylic acid 3-5 parts, maleic anhydride 1-5 parts, potassium hydrogen tartrate 4-11 parts, triethanolamine 5-
11 parts, hydrofluoric acid 1-3 parts, sodium nitrate 5-9 parts, urea 7-13 parts, alkylene triamine 3-7 parts, cellulose ether 9-15 parts, calcium oxalate
Or a kind of 6-10 parts in calcium formate, sodium sulphate 2-7 parts, soda 3-8 parts, glycolic 1-5 parts, bentonite 7-12 parts, to first
Benzene sulfonic acid 1-4 parts and nano-calcium carbonate 6-13 parts.
6. cement products early strength agent according to claim 1, it is characterised in that count in parts by weight, the early strength agent
Including following raw material：5 parts of nitre, 4 parts of acrylic acid, 3 parts of maleic anhydride, 7 parts of potassium hydrogen tartrate, 8 parts of triethanolamine, hydrofluoric acid 2
Part, 6 parts of sodium nitrate, 9 parts of urea, 5 parts of alkylene triamine, 12 parts of cellulose ether, calcium oxalate or 7 parts of one kind in calcium formate,
8 parts of 5 parts of sodium sulphate, 6 parts of soda, 3 parts of glycolic, 9 parts of bentonite, 3 parts of p-methyl benzenesulfonic acid and nano-calcium carbonate.
7. cement products early strength agent according to claim 1, it is characterised in that the cellulose ether is hydroxyethyl methyl
One in cellulose, carboxymethyl cellulose, ethyl cellulose, benzylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose
Kind is several.
8. cement products early strength agent according to claim 1, it is characterised in that the early strength agent makes in cement products
Mass ratio is early strength agent：Cement is 1-5:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035114.XA CN107601953A (en) | 2017-10-30 | 2017-10-30 | A kind of cement products early strength agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035114.XA CN107601953A (en) | 2017-10-30 | 2017-10-30 | A kind of cement products early strength agent |
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| CN107601953A true CN107601953A (en) | 2018-01-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711035114.XA Pending CN107601953A (en) | 2017-10-30 | 2017-10-30 | A kind of cement products early strength agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095850A (en) * | 2018-08-25 | 2018-12-28 | 北京建工新型建材有限责任公司 | A kind of concrete mix and its Winter Construction Methods of high early strength |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0455354A (en) * | 1990-06-21 | 1992-02-24 | Denki Kagaku Kogyo Kk | Cement admixture and cement composition |
| AU6446094A (en) * | 1993-03-18 | 1994-10-11 | Tung Dju Lin | Improved method for rapid hydration of cement and improved concrete |
| CN103936324A (en) * | 2014-04-30 | 2014-07-23 | 湖州中辰建设有限公司 | Novel concrete early strength agent |
| CN104529326A (en) * | 2014-12-09 | 2015-04-22 | 李松涛 | Energy-saving environment-friendly thermal-insulation mortar |
| CN104710127A (en) * | 2013-12-12 | 2015-06-17 | 杨南宁 | Concrete early strength agent |
| CN104944824A (en) * | 2015-07-10 | 2015-09-30 | 重庆大学 | Cement concrete early strength agent and early strength and water reduction agent |
| CN105417988A (en) * | 2015-12-30 | 2016-03-23 | 卓达新材料科技集团威海股份有限公司 | Early strength agent for ordinary portland cement fiber board |
-
2017
- 2017-10-30 CN CN201711035114.XA patent/CN107601953A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0455354A (en) * | 1990-06-21 | 1992-02-24 | Denki Kagaku Kogyo Kk | Cement admixture and cement composition |
| AU6446094A (en) * | 1993-03-18 | 1994-10-11 | Tung Dju Lin | Improved method for rapid hydration of cement and improved concrete |
| CN104710127A (en) * | 2013-12-12 | 2015-06-17 | 杨南宁 | Concrete early strength agent |
| CN103936324A (en) * | 2014-04-30 | 2014-07-23 | 湖州中辰建设有限公司 | Novel concrete early strength agent |
| CN104529326A (en) * | 2014-12-09 | 2015-04-22 | 李松涛 | Energy-saving environment-friendly thermal-insulation mortar |
| CN104944824A (en) * | 2015-07-10 | 2015-09-30 | 重庆大学 | Cement concrete early strength agent and early strength and water reduction agent |
| CN105417988A (en) * | 2015-12-30 | 2016-03-23 | 卓达新材料科技集团威海股份有限公司 | Early strength agent for ordinary portland cement fiber board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095850A (en) * | 2018-08-25 | 2018-12-28 | 北京建工新型建材有限责任公司 | A kind of concrete mix and its Winter Construction Methods of high early strength |
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Application publication date: 20180119 |
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