CN105217995A - A kind of Concrete synergist and preparation method thereof - Google Patents
A kind of Concrete synergist and preparation method thereof Download PDFInfo
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- CN105217995A CN105217995A CN201510750731.2A CN201510750731A CN105217995A CN 105217995 A CN105217995 A CN 105217995A CN 201510750731 A CN201510750731 A CN 201510750731A CN 105217995 A CN105217995 A CN 105217995A
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Abstract
The invention discloses a kind of Concrete synergist and preparation method thereof, its raw material is made up of the component of following weight part: hydramine 20 ~ 40 weight part, alcohol 6 ~ 12 weight part, inorganic salt 5 ~ 10 weight part, phosphonic acids 4 ~ 12 weight part, air entrapment agent 0.05 ~ 0.3 weight part, silicone antifoam agent 0.01 ~ 0.05 weight part, suds-stabilizing agent 0.01 ~ 0.05 weight part and water 35 ~ 60 weight part, wherein, hydramine is monoethanolamine diisopropanolamine (DIPA), amino ethyl ethanolamine or N, one or both in N-diethylpropanolamine, alcohol is Diethylene Glycol and 1, at least one in 5-pentanediol, inorganic salt are potassium pyrophosphate or trisodium phosphate.Concrete synergist of the present invention have finished product nontoxic, be uniformly dispersed, technique is simple, pollution-free, energy consumption is low, be easy to suitability for industrialized production, and can effectively improve concrete workability, slump retaining, improves concrete strength.By reducing cement consumption, effectively promote hydrated reaction of cement usefulness in concrete.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of Concrete synergist and preparation method thereof.
Background technology
Concrete is one of maximum material of construction of current consumption, up to the present, does not also occur that the material of foresight can replace concrete application.But hydrated cementitious degree research data being shown to, under conventional environment, about have the cement of 20 ~ 30% not participate in hydration reaction, normally do not play effect in concrete both at home and abroad, is cost waste maximum in concrete application.Therefore, how to make full use of cement resource, to realizing energy-saving and emission-reduction, Sustainable development has outstanding meaning.
Synergistic agent is a kind of new concrete admixture promoted the use of in construction market in recent years.When ensureing concrete over-all properties, volume is only 0.6% of gelling material, allows cement granules disperse fully, and then accelerates the hydration process of cement, and reality can reduce by the cement consumption of 10 ~ 15%.Intensity is with under the prerequisite of satisfied design and construction requirement in early days, and the application of synergistic agent is all significantly improved concrete later strength, weather resistance, is conducive to the Sustainable development realizing concrete industry.At present, there are some problems in applying in process of synergistic agent, and after some use synergistic agent, concrete workability is deteriorated, poor fluidity, and loss is fast, the technological deficiency problems such as some gel material content ranges of decrease are not obvious.
Summary of the invention
The object of the invention is to overcome prior art defect, a kind of Concrete synergist is provided.
Another object of the present invention is to the preparation method that above-mentioned Concrete synergist is provided.
Concrete technical scheme of the present invention is as follows:
A kind of Concrete synergist, its raw material is made up of the component of following weight part:
Wherein, hydramine is one or both in monoethanolamine diisopropanolamine (DIPA), amino ethyl ethanolamine or N, N-diethylpropanolamine, and alcohol is at least one in Diethylene Glycol and 1,5-PD, and inorganic salt are potassium pyrophosphate or trisodium phosphate.
In a preferred embodiment of the invention, its raw material is made up of the component of following weight part:
Further preferably, described phosphonic acids is one or both in 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, 2-phosphonobutane-1,2,4-tricarboxylic acid, Amino Trimethylene Phosphonic Acid or ethylenediamine tetramethylene phosphonic acid.
Further preferably, described air entrapment agent is one or both of Sodium dodecylbenzene sulfonate, hexadecyl ether sulfate or sodium lauryl sulphate.
Further preferred, described silicone antifoam agent is Dow corning DC544, the U.S. steps figure SAG470, one or both in Japanese this fat A of bamboo FK-2 and Korea S Sheng Nuopuke HS-DEFOAMER567.
Preferred further, described suds-stabilizing agent is two (hydrogenated-tallow group) phthalic acid amide.
A preparation method for above-mentioned Concrete synergist, comprises the steps:
(1) each component is taken by weight
(2) by phosphonic acids, inorganic salt and water mix and blend 10min;
(3) in the material of step (2), add hydramine and alcohol simultaneously, repeatedly add on a small quantity, uniform stirring 20 ~ 40min;
(4) in the material of step (3), slowly air entrapment agent is added, uniform stirring 10 ~ 20min;
(5) in the material of step (4), slowly defoamer is added, uniform stirring 10 ~ 30min;
(6) in the material of step (5), slowly add suds-stabilizing agent, uniform stirring 10-20min, obtain described Concrete synergist.
The invention has the beneficial effects as follows:
(1) Concrete synergist of the present invention have finished product nontoxic, be uniformly dispersed, technique is simple, pollution-free, energy consumption is low, be easy to suitability for industrialized production, and can effectively improve concrete workability, slump retaining, improves concrete strength.By reducing cement consumption, hydrated reaction of cement usefulness in effective lifting concrete, can make to decrease 10% ~ 15% cement consumption in concrete, significantly save Cost of Concrete,, and the 28d intensity of its maturing comparatively contrasts sample raising about 6 ~ 10MPa.
(2) Concrete synergist of the present invention introduces hydramine, obviously improves concrete degree of mobilization, also has obvious raising simultaneously to concrete strength.
(3) inorganic salt of Concrete synergist introducing of the present invention, can improve concrete collapsing property of guarantor.
(4) phosphonic acids that Concrete synergist of the present invention is introduced is very strong ion chelating agent, can chelating concrete mixing time liquid phase in metal ion, there is very strong dispersiveness, thus accelerate ettringite AFt generation, improve compactness and the ultimate compression strength of cement.
(5) air entrapment agent, defoamer and the suds-stabilizing agent introduced of Concrete synergist of the present invention, can introduce stable small bubbles, effectively improve concrete workability and endurance quality in concrete.
(6) technique of Concrete synergist of the present invention is simple, energy consumption is low, is easy to suitability for industrialized production.
Embodiment
Below by way of embodiment, technical scheme of the present invention is further detailed and is described.
Embodiment 1
By weight, get trisodium phosphate 5 parts, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 4 parts and 55 parts, water, join in reactor, stirs 10min; Add monoethanolamine diisopropanolamine (DIPA) 20 parts again, Diethylene Glycol 5 parts and 1,5-PD 6 parts, stir 25min; Add Sodium dodecylbenzene sulfonate 0.3 part again, uniform stirring 15min; Slowly add Dow corning DC5440.01 part again, slowly stir 20min; Finally add two (hydrogenated-tallow group) phthalic acid amide 0.01 part again, uniform stirring 10min, obtains described Concrete synergist.
Embodiment 2
By weight, get trisodium phosphate 8 parts, 2-phosphonobutane-1,2,4-tricarboxylic acid 5 parts and 60 parts, water, join in reactor, stirs 10min; Repeatedly add amino ethyl ethanolamine 40 parts and 1,5-PD 10 parts on a small quantity again, stir 35min; Add 0.06 part, cetyl benzenesulfonic acid sodium and sodium lauryl sulphate 0.09 part again, uniform stirring 20min; Slowly add the U.S. again and step figure SAG4700.04 part, slowly stir 25min; Finally add two (hydrogenated-tallow group) phthalic acid amide 0.03 part again, uniform stirring 20min, obtains described Concrete synergist.
Embodiment 3
By weight, potassium pyrophosphate 5 parts, Amino Trimethylene Phosphonic Acid 4 parts, ethylenediamine tetramethylene phosphonic acid 8 parts and 60 parts, water, join in reactor, stirs 10min; Repeatedly add N on a small quantity again, N-diethylpropanolamine 25 parts, Diethylene Glycol 3 parts and 1,5-PD 3 parts, slowly stir 25min; Add hexadecyl ether sulfate 0.3 part again, uniform stirring 10min; Slowly add Korea S Sheng Nuopu section HS-DEFOAMER5670.05 part again, stir 15min; Finally add two (hydrogenated-tallow group) phthalic acid amide 0.05 part again, after stirring 15min, obtain described Concrete synergist.
Embodiment 4
By weight, get trisodium phosphate 10 parts, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2 parts, Amino Trimethylene Phosphonic Acid 3 parts and 50 parts, water, join in reactor, stirs 10min; Repeatedly add monoethanolamine diisopropanolamine (DIPA) 15 parts, amino ethyl ethanolamine 20 parts and 1,5-PD 5 parts, uniform stirring 30min on a small quantity again; Add cetyl benzenesulfonic acid sodium 0.05 and sodium lauryl sulphate 0.05 part again, uniform stirring 15min; Slowly add the U.S. again and step figure SAG4700.01 part and Japanese this fat A of bamboo FK-200.03 part, slowly stir 30min; Finally add two (hydrogenated-tallow group) phthalic acid amide 0.04 part again, obtain described Concrete synergist.
Embodiment 5
Concrete synergist prepared by embodiment 1 ~ 4 is incorporated in mixed concrete by 0.6% of gelling material quality, maintenance in standard curing room, the ultimate compression strength after record 1d, 3d, 7d and 28d.Wherein concrete mix is: water 170kg/m
3, sand 770kg/m
3, stone 1038kg/m
3, flyash 100kg/m
3, admixture 3.6kg/m
3.The test of embodiment 1 ~ 4 properties is as shown in the table:
Table 1 concrete mix
Wherein, W is represented as water, and C is represented as cement, and S is represented as sand, and G is represented as stone, and FA is represented as flyash, and A is represented as admixture, and Z is represented as synergistic agent.The Concrete synergist that contrast sample produces for certain company.
Table 2 embodiment performance comparison
As can be seen from the table, the concrete adding Concrete synergist can save cement consumption 10 ~ 15% under the prerequisite not affecting intensity, and can improve concrete intensity, and under same case, the effect of Concrete synergist of the present invention is better than contrasting sample.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (7)
1. a Concrete synergist, is characterized in that: its raw material is made up of the component of following weight part:
Wherein, hydramine is one or both in monoethanolamine diisopropanolamine (DIPA), amino ethyl ethanolamine or N, N-diethylpropanolamine, and alcohol is at least one in Diethylene Glycol and 1,5-PD, and inorganic salt are potassium pyrophosphate or trisodium phosphate.
2. a kind of Concrete synergist as claimed in claim 1, is characterized in that: its raw material is made up of the component of following weight part:
3. a kind of Concrete synergist as claimed in claim 1 or 2, is characterized in that: described phosphonic acids is one or both in 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, 2-phosphonobutane-1,2,4-tricarboxylic acid, Amino Trimethylene Phosphonic Acid or ethylenediamine tetramethylene phosphonic acid.
4. a kind of Concrete synergist as claimed in claim 1 or 2, is characterized in that: described air entrapment agent is one or both of Sodium dodecylbenzene sulfonate, hexadecyl ether sulfate or sodium lauryl sulphate.
5. a kind of Concrete synergist as claimed in claim 1 or 2, is characterized in that: described silicone antifoam agent is Dow corning DC544, the U.S. steps figure SAG470, one or both in Japanese this fat A of bamboo FK-2 and Korea S Sheng Nuopuke HS-DEFOAMER567.
6. a kind of Concrete synergist as claimed in claim 1 or 2, is characterized in that: described suds-stabilizing agent is two (hydrogenated-tallow group) phthalic acid amide.
7. a preparation method for the Concrete synergist in claim 1 to 6 described in arbitrary claim, is characterized in that: comprise the steps:
(1) each component is taken by weight
(2) by phosphonic acids, inorganic salt and water mix and blend 10min;
(3) in the material of step (2), add hydramine and alcohol simultaneously, repeatedly add on a small quantity, uniform stirring 20 ~ 40min;
(4) in the material of step (3), slowly air entrapment agent is added, uniform stirring 10 ~ 20min;
(5) in the material of step (4), slowly defoamer is added, uniform stirring 10 ~ 30min;
(6) in the material of step (5), slowly add suds-stabilizing agent, uniform stirring 10-20min, obtain described Concrete synergist.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906230A (en) * | 2016-04-21 | 2016-08-31 | 武汉金磊珂建材科技有限公司 | High-performance multifunctional cement reducing agent for concrete and preparation method for same |
| CN106007471A (en) * | 2016-05-24 | 2016-10-12 | 山东科技大学 | Double-component switch-type air entraining agent for wet blasting concrete |
| CN106007470A (en) * | 2016-05-24 | 2016-10-12 | 山东科技大学 | Switch type air-entraining agent for wet shotcrete |
| CN106116224A (en) * | 2016-06-24 | 2016-11-16 | 桂林华越环保科技有限公司 | A kind of multifunctional concrete synergist |
| CN106746856A (en) * | 2016-11-30 | 2017-05-31 | 张松波 | A kind of Concrete synergist |
| CN106946488A (en) * | 2017-02-23 | 2017-07-14 | 杭州筑乐科技有限公司 | Concrete synergist and preparation method thereof |
| CN108059382A (en) * | 2017-12-21 | 2018-05-22 | 武汉新绿博恩科技有限公司 | A kind of concrete subtracts jelly and preparation method thereof |
| CN108083679A (en) * | 2017-12-21 | 2018-05-29 | 武汉新绿博恩科技有限公司 | A kind of concrete subtracts jelly and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108641037B (en) * | 2018-06-17 | 2020-05-08 | 广东腾昊建设工程有限公司 | Concrete synergist containing phosphoric acid group and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104496266A (en) * | 2015-01-15 | 2015-04-08 | 科之杰新材料集团有限公司 | Concrete synergist and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104496266A (en) * | 2015-01-15 | 2015-04-08 | 科之杰新材料集团有限公司 | Concrete synergist and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906230A (en) * | 2016-04-21 | 2016-08-31 | 武汉金磊珂建材科技有限公司 | High-performance multifunctional cement reducing agent for concrete and preparation method for same |
| CN106007471A (en) * | 2016-05-24 | 2016-10-12 | 山东科技大学 | Double-component switch-type air entraining agent for wet blasting concrete |
| CN106007470A (en) * | 2016-05-24 | 2016-10-12 | 山东科技大学 | Switch type air-entraining agent for wet shotcrete |
| CN106116224A (en) * | 2016-06-24 | 2016-11-16 | 桂林华越环保科技有限公司 | A kind of multifunctional concrete synergist |
| CN106746856A (en) * | 2016-11-30 | 2017-05-31 | 张松波 | A kind of Concrete synergist |
| CN106946488A (en) * | 2017-02-23 | 2017-07-14 | 杭州筑乐科技有限公司 | Concrete synergist and preparation method thereof |
| CN108059382A (en) * | 2017-12-21 | 2018-05-22 | 武汉新绿博恩科技有限公司 | A kind of concrete subtracts jelly and preparation method thereof |
| CN108083679A (en) * | 2017-12-21 | 2018-05-29 | 武汉新绿博恩科技有限公司 | A kind of concrete subtracts jelly and preparation method thereof |
| CN108083679B (en) * | 2017-12-21 | 2020-10-09 | 武汉新绿博恩科技有限公司 | Concrete glue reducing agent and preparation method thereof |
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