CN103193407A - Formula and preparation method of composite liquid cement grinding aid - Google Patents
Formula and preparation method of composite liquid cement grinding aid Download PDFInfo
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- CN103193407A CN103193407A CN 201210006334 CN201210006334A CN103193407A CN 103193407 A CN103193407 A CN 103193407A CN 201210006334 CN201210006334 CN 201210006334 CN 201210006334 A CN201210006334 A CN 201210006334A CN 103193407 A CN103193407 A CN 103193407A
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- sodium hexametaphosphate
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- isopropanolamine
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Abstract
The invention discloses a formula of a composite liquid cement grinding aid, comprising the following components by weight percentage: 5-30% of triethanolamine, 5-25% of triisopropanolamine, 1-20% of polyols, 1-10% of sodium hexametaphosphate, 0.1-1% of a surface active agent, 0-0.5% of a PH regulator and the balance of water. The preparation method of the composite liquid cement grinding aid comprises steps of: adding sodium hexametaphosphate into a closed container containing water with stirring; after complete dissolution of the sodium hexametaphosphate, successively adding triethanolamine, triisopropanolamine, polyols and the surface active agent, and continuing to stir for 15-20 min; and controlling the pH value of the solvent at 7.5-8.5, and standing for 30-40 min. The formula and preparation method of the composite liquid cement grinding aid disclosed by the invention have advantages of simple production process, wide adaptability, good adaptability with concrete admixtures, and capability to improve the flexural strength and compressive strength of cement.
Description
Technical field
The present invention relates to a kind of cement agent prescription and preparation method, relate in particular to a kind of composite fluid cement agent prescription and preparation method thereof.
Background technology
Cement is being played the part of very important role in current urbanization of making rapid progress is built, a kind of powdery hydraulicity inorganic coagulation material adds and can harden in air or water after water stirs into slurry, in order to the gluing of loose materials such as sand, stone is become mortar or concrete.The fineness of cement is more thin, and aquation and sclerous reaction are just more fast, aquation more fully, the effective rate of utilization of cement cementitious character is just more high, cement intensity, especially early strength are also higher, and can also improve the bleeding, workability etc. of cement.Otherwise, having in the cement thick to exist along grain, coarse particles can only be in surface reaction, thus the activity of having lost grog.
In grinding process, add a spot of admixture, can eliminate adhesion and the clustering phenomena of fine powder, accelerate the material grinding process, improve mill efficiency, reduce the unit grinding pow consumption, improve output.This class admixture is referred to as grinding aid.
The classification of grinding aid.Can be divided into by the state of use grinding aid; Solid, liquids and gases grinding aid.The solid grinding aid has: stearates, colloid silica, oildag, carbon black, flyash, gypsum etc.; Liquid helps the mushroom agent to have: organosilicon, trolamine, ethylene glycol, propylene glycol, polyacrylate, polycarboxylate etc.; The gas grinding aid has: the polar material of vaporous and nonpolar property material etc.Can be divided into by the chemical structure grinding aid: polymer-inorganic salt, polymerization organic salt and complex chemical compound etc.
Many in the existing grinding aid technology is main grinding aid material with the liquid complex chemical compound.But there is following problem in existing formula technique:
1, grinding-aid effect is stable inadequately, the variation of grog and blended material can bring grinding aid efficient than great fluctuation process.
2, the 3 days early strengths that covet, excessive adding inorganic base substance in the part grinding aid system is ignored the detrimentally affect to the long-term performance of concrete.
In view of this, provide a kind of surfactivity by grinding aid and electric charge to align and act on the physical and chemical modified that reaches particle surface, improve the mobile and dispersed of material, thereby improve the mill efficiency of cement grinding system, reduce production energy consumption, production technique is easy, wide at different grog systems and different areas application adaptability, good with concrete admixture adaptability, can obviously improve bending strength of cement and ultimate compression strength in earlier stage, necessitate.
Summary of the invention
A kind of surfactivity by grinding aid and the electric charge effect of aligning that the purpose of this invention is to provide reaches the physical and chemical modified to particle surface, improve the mobile and dispersed of material, thereby improve the mill efficiency of cement grinding system, reduce production energy consumption, production technique is easy, wide at different grog systems and different areas application adaptability, good with concrete admixture adaptability, can obviously improve bending strength of cement and ultimate compression strength in earlier stage.
To achieve these goals, the invention provides a kind of composite fluid cement agent prescription, its composition weight percent is as follows: trolamine 5～30%, tri-isopropanolamine 5～30%, polyvalent alcohol 8～15%, Sodium hexametaphosphate 99 3～8%, tensio-active agent 0.3～0.8%, PH conditioning agent 0.15～0.5%, surplus are water.
Further, the prescription of composite fluid cement grinding aid, its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 46.3%.
Further, the prescription of composite fluid cement grinding aid, its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 10%, tensio-active agent 0.2%, PH conditioning agent 0.2%, water 49.6%.
Further, the prescription of composite fluid cement grinding aid, its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 25%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 41.3%.
Prepare the prescription of above-mentioned composite fluid cement grinding aid, its preparation method is as follows:
1) in being added with the closed reaction vessel of water, adds Sodium hexametaphosphate 99 while stirring;
2) treat that Sodium hexametaphosphate 99 dissolves fully after, add trolamine, tri-isopropanolamine, polyvalent alcohol, tensio-active agent sequentially, each group adds the back and continue to stir 15～20 minutes;
3) pH value of solvent is controlled between 7.5～8.5, left standstill 30-40 minute;
4) finish the cement grinding aid formulation.
Compare with present technology, provided by the invention be used to providing the effect of aligning of a kind of surfactivity by grinding aid and electric charge to reach physical and chemical modified to particle surface, improve the mobile and dispersed of material, thereby improve the mill efficiency of cement grinding system, reduce production energy consumption, production technique is easy, wide at different grog systems and different areas application adaptability, good with concrete admixture adaptability, can obviously improve bending strength of cement and ultimate compression strength in earlier stage, significant.
Embodiment
Below by embodiment principle of the present invention is described, other aspects of the present invention, feature and advantage thereof will become very clear by this detailed description.
A kind of composite fluid cement agent prescription, its composition weight percent is as follows: its composition weight percent is as follows: trolamine 5～30%, tri-isopropanolamine 5～30%, polyvalent alcohol 8～15%, Sodium hexametaphosphate 99 3～8%, tensio-active agent 0.3～0.8%, PH conditioning agent 0.15～0.5%, surplus is water.
In the conventional manufacture of cement, by increasing the usage quantity of grog, improve folding strength and ultimate compression strength, its cost is higher, and its 3rd day folding strength and folding strength and the ultimate compression strength of ultimate compression strength and the 28th day can not be significantly improved, change into and add water cement grinding aids, the effect of aligning of the surfactivity of cement grinding aid and electric charge reaches the physical and chemical modified to particle surface, improve the mobile and dispersed of material, thereby improve the mill efficiency of cement grinding system, reduce production energy consumption, can obviously improve bending strength of cement and ultimate compression strength in earlier stage.
Wherein thereby trolamine, tri-isopropanolamine, polyvalent alcohol and Sodium hexametaphosphate 99 acting in conjunction influence folding strength and the ultimate compression strength of prescription, and trolamine, tri-isopropanolamine, polyvalent alcohol and Sodium hexametaphosphate 99 influence each other, tensio-active agent mainly influences cement surface tension force, adds the PH conditioning agent pH value of solution is remained between 8～10.
Embodiment 1: test by following several ratio prescriptions and P.O42.5R, its prescription is as follows:
Prescription 1: its composition weight percent is as follows: trolamine 5%, and tri-isopropanolamine 5%, polyvalent alcohol 8%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.3%, PH conditioning agent 0.15%, surplus is water.
Prescription 2: its composition weight percent is as follows: trolamine 10%, and tri-isopropanolamine 10%, polyvalent alcohol 9%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.4%, PH conditioning agent 0.17%, surplus is water.
Prescription 3: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 15%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, surplus is water.
Prescription 4: its composition weight percent is as follows: trolamine 25%, and tri-isopropanolamine 25%, polyvalent alcohol 12%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.6%, PH conditioning agent 0.25%, surplus is water.
Prescription 5: its composition weight percent is as follows: trolamine 30%, and tri-isopropanolamine 30%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.8%, PH conditioning agent 0.3%, surplus is water.
P.O42.5R is subjects with reinforcement cement, is mixing into 3 ‰ in cement respectively.Mentioned reagent, respectively it was tested at the 3rd day and the 28th day, its test result is as follows:
In the prescription 3, use the composition ratio to be: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 46.3%; Compare with 2 with prescription 1, folding strength and the ultimate compression strength of prescription 3 are significantly improved, compare with prescription 4 and 5, the folding strength of prescription 4 and 5 and ultimate compression strength increase not obvious, and that its cost is compared increase is bigger, so prescription 3 prescription scheme is comparatively desirable, 3 be preferred plan so fill a prescription.
Preferably, the prescription of composite fluid cement grinding aid, its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 46.3%.
Embodiment 2: test by following several ratio prescriptions and P.O42.5R, wherein, it is as follows to fill a prescription:
Prescription 1: its composition weight percent is as follows: trolamine 5%, and tri-isopropanolamine 5%, polyvalent alcohol 8%, Sodium hexametaphosphate 99 3%, tensio-active agent 0.2%, PH conditioning agent 0.15%, surplus is water.
Prescription 2: its composition weight percent is as follows: trolamine 10%, and tri-isopropanolamine 10%, polyvalent alcohol 9%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.2%, PH conditioning agent 0.17%, surplus is water.
Prescription 3: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 15%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 10%, tensio-active agent 0.2%, PH conditioning agent 0.2%, surplus is water.
Prescription 4: its composition weight percent is as follows: trolamine 25%, and tri-isopropanolamine 25%, polyvalent alcohol 12%, Sodium hexametaphosphate 99 12%, tensio-active agent 0.2%, PH conditioning agent 0.25%, surplus is water.
Prescription 5: its composition weight percent is as follows: trolamine 30%, and tri-isopropanolamine 30%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 15%, tensio-active agent 0.2%, PH conditioning agent 0.3%, surplus is water.
P.O42.5R is subjects with reinforcement cement, is mixing into 3 ‰ in cement respectively.Mentioned reagent, respectively it was tested at the 3rd day and the 28th day, its test result is as follows:
In the prescription 3, use the composition ratio to be: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 10%, tensio-active agent 0.2%, PH conditioning agent 0.2%, water 49.6%; Compare with 2 with prescription 1, folding strength and the ultimate compression strength of prescription 3 are significantly improved, compare with prescription 4 and 5, the folding strength of prescription 4 and 5 and ultimate compression strength increase not obvious, and that its cost is compared increase is bigger, so prescription 3 prescription scheme is comparatively desirable, 3 be preferred plan so fill a prescription.
Preferably, its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 10%, tensio-active agent 0.2%, PH conditioning agent 0.2%, water 49.6%.
Embodiment 3: test by following several ratio prescriptions and P.O42.5R, wherein, it is as follows to fill a prescription:
Prescription 1: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 5%, polyvalent alcohol 8%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, surplus is water.
Prescription 2: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 10%, polyvalent alcohol 8%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, surplus is water.
Prescription 3: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 15%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, surplus is water.
Prescription 4: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 25%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, surplus is water.
Prescription 5: its composition weight percent is as follows: trolamine 15%, and tri-isopropanolamine 30%, polyvalent alcohol 11%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, surplus is water.
P.O42.5R is subjects with reinforcement cement, is mixing into 3 ‰ in cement respectively.Mentioned reagent, respectively it was tested at the 3rd day and the 28th day, its test result is as follows:
In the prescription 3, use the composition ratio to be: trolamine 15%, tri-isopropanolamine 25%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 41.3%; Compare with 2 with prescription 1, folding strength and the ultimate compression strength of prescription 3 are significantly improved, compare with prescription 4 and 5, the folding strength of prescription 4 and 5 and ultimate compression strength increase not obvious, and that its cost is compared increase is bigger, so prescription 3 prescription scheme is comparatively desirable, 3 be preferred plan so fill a prescription.
Preferably, the prescription of composite fluid cement grinding aid, its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 25%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 41.3%.
The method that the prescription for preparing above-mentioned several composite fluid cement grinding aids prepares cement grinding aid is as follows:
1) in being added with the closed reaction vessel of water, adds Sodium hexametaphosphate 99 while stirring;
2) treat that Sodium hexametaphosphate 99 dissolves fully after, add trolamine, tri-isopropanolamine, polyvalent alcohol, tensio-active agent sequentially, each group adds the back and continue to stir 15～20 minutes;
3) pH value of solvent is controlled between 7.5～8.5, left standstill 30-40 minute;
4) finish the cement grinding aid formulation.
The preparation method of composite fluid cement grinding aid provided by the invention, its production technique is easy, and is wide at different grog systems and different areas application adaptability, good with concrete admixture adaptability.
To sum up, a kind of composite fluid cement agent prescription provided by the invention and preparation method thereof, the effect of aligning of surfactivity by grinding aid and electric charge reaches the physical and chemical modified to particle surface, improve the mobile and dispersed of material, thereby improve the mill efficiency of cement grinding system, reduce production energy consumption, production technique is easy, at different grog systems and area, application, wide adaptability, good with concrete admixture adaptability, use the present invention and can obviously improve the strong and ultimate compression strength of the anti-folding of cement in early stage.
Above disclose only for preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, therefore the equivalent variations of doing according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (5)
1. a composite fluid cement agent prescription is characterized in that,
Its composition weight percent is as follows: trolamine 5～30%, and tri-isopropanolamine 5～30%, polyvalent alcohol 8～15%, Sodium hexametaphosphate 99 3～15%, tensio-active agent 0.3～0.8%, PH conditioning agent 0.15～0.3%, surplus is water.
2. a kind of composite fluid cement agent prescription according to claim 1 is characterized in that,
Its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 15%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 46.3%.
3. a kind of composite fluid cement agent prescription according to claim 1 is characterized in that,
Its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 15%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 10%, tensio-active agent 0.2%, PH conditioning agent 0.2%, water 49.6%.
4. a kind of composite fluid cement agent prescription according to claim 1 is characterized in that,
Its composition weight percent is as follows: trolamine 15%, tri-isopropanolamine 25%, polyvalent alcohol 10%, Sodium hexametaphosphate 99 8%, tensio-active agent 0.5%, PH conditioning agent 0.2%, water 41.3%.
5. the method that adopts the described a kind of composite fluid cement agent prescription of claim 1 to prepare cement grinding aid is as follows:
1) in being added with the closed reaction vessel of water, adds Sodium hexametaphosphate 99 while stirring;
2) treat that Sodium hexametaphosphate 99 dissolves fully after, add trolamine, tri-isopropanolamine, polyvalent alcohol, tensio-active agent sequentially, each group adds the back and continue to stir 15～20 minutes;
3) pH value of solvent is controlled between 7.5～8.5, left standstill 30-40 minute;
4) finish the cement grinding aid formulation.
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Cited By (7)
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| CN104016607A (en) * | 2014-05-30 | 2014-09-03 | 山东众森科技股份有限公司 | A liquid activator dedicated to a composite admixture and a preparing method thereof |
| CN104310844A (en) * | 2014-09-29 | 2015-01-28 | 湖州丰盛新材料有限公司 | Grinding aid for expanding agent and preparation method of grinding aid |
| CN105793210A (en) * | 2013-09-18 | 2016-07-20 | 理工研究与开发公司 | Concrete formulations and admixtures therefor |
| CN108328957A (en) * | 2018-04-13 | 2018-07-27 | 江西万年青工程有限公司 | A kind of cement grinding aid |
| CN108911554A (en) * | 2018-07-13 | 2018-11-30 | 桂林华越环保科技有限公司 | 52.5 labels and the above high-strength cement grinding aid special and preparation method thereof |
| CN109503018A (en) * | 2018-12-29 | 2019-03-22 | 山东宏艺科技股份有限公司 | A kind of cement grinding aid |
| CN112047658A (en) * | 2020-09-14 | 2020-12-08 | 株洲宏信科技发展有限公司 | Cement grinding aid, preparation method thereof and application thereof in interior decoration cement |
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- 2012-01-09 CN CN 201210006334 patent/CN103193407A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105793210A (en) * | 2013-09-18 | 2016-07-20 | 理工研究与开发公司 | Concrete formulations and admixtures therefor |
| CN105793210B (en) * | 2013-09-18 | 2018-06-12 | 理工研究与开发公司 | Concrete formulation and its dopant |
| CN104016607A (en) * | 2014-05-30 | 2014-09-03 | 山东众森科技股份有限公司 | A liquid activator dedicated to a composite admixture and a preparing method thereof |
| CN104016607B (en) * | 2014-05-30 | 2015-11-11 | 山东众森科技股份有限公司 | A kind of composite blend dedicated liquid activator and preparation method thereof |
| CN104310844A (en) * | 2014-09-29 | 2015-01-28 | 湖州丰盛新材料有限公司 | Grinding aid for expanding agent and preparation method of grinding aid |
| CN108328957A (en) * | 2018-04-13 | 2018-07-27 | 江西万年青工程有限公司 | A kind of cement grinding aid |
| CN108911554A (en) * | 2018-07-13 | 2018-11-30 | 桂林华越环保科技有限公司 | 52.5 labels and the above high-strength cement grinding aid special and preparation method thereof |
| CN108911554B (en) * | 2018-07-13 | 2021-03-26 | 桂林华越环保科技有限公司 | Grinding aid special for high-strength cement with grade of 52.5 and above and preparation method thereof |
| CN109503018A (en) * | 2018-12-29 | 2019-03-22 | 山东宏艺科技股份有限公司 | A kind of cement grinding aid |
| CN109503018B (en) * | 2018-12-29 | 2021-07-23 | 临沂海螺新材料科技有限公司 | Cement grinding aid |
| CN112047658A (en) * | 2020-09-14 | 2020-12-08 | 株洲宏信科技发展有限公司 | Cement grinding aid, preparation method thereof and application thereof in interior decoration cement |
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Application publication date: 20130710 |