CN101318792A - Liquid cement grinding aid - Google Patents
Liquid cement grinding aid Download PDFInfo
- Publication number
- CN101318792A CN101318792A CNA200810124326XA CN200810124326A CN101318792A CN 101318792 A CN101318792 A CN 101318792A CN A200810124326X A CNA200810124326X A CN A200810124326XA CN 200810124326 A CN200810124326 A CN 200810124326A CN 101318792 A CN101318792 A CN 101318792A
- Authority
- CN
- China
- Prior art keywords
- cement
- percent
- trolamine
- air entraining
- cement grinding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004568 cement Substances 0.000 title claims abstract description 63
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229960004418 trolamine Drugs 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 235000013379 molasses Nutrition 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000008130 triterpenoid saponins Chemical class 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 28
- 239000000654 additive Substances 0.000 claims description 27
- 230000000996 additive effect Effects 0.000 claims description 25
- 239000011734 sodium Substances 0.000 claims description 15
- 229910052708 sodium Inorganic materials 0.000 claims description 15
- 101710194948 Protein phosphatase PhpP Proteins 0.000 claims description 14
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 claims description 14
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 14
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 claims description 12
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004202 carbamide Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 abstract 3
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract 2
- 235000019345 sodium thiosulphate Nutrition 0.000 abstract 2
- 229910000162 sodium phosphate Inorganic materials 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
- 239000000047 product Substances 0.000 description 12
- 239000004567 concrete Substances 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- -1 Ammoniom-Acetate Chemical compound 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940093476 ethylene glycol Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000003265 pulping liquor Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229960004249 sodium acetate Drugs 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229940045136 urea Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a liquid cement grinding aid which can obviously reduce the dosage of trolamine and does not contain urea. The grinding aid comprises the following compositions in weight percentage: 1 to 10 percent of trolamine, 5 to 10 percent of diglycol, 1 to 10 percent of trimeric sodium phosphate, 10 to 30 percent of molasses, 0 to 20 percent of sodium thiosulfate, 0 to 10 percent of air entraining component and the balance being water, wherein the air entraining compositions are triterpenoid saponin air entraining agent, sodium lignin sulfonate or a mixture of the triterpenoid saponin air entraining agent and the sodium lignin sulfonate at any proportion. The invention obviously reduces the dosage of the trolamine, does not contain the urea, lowers product cost and simultaneously facilitates the environmental protection. The sodium thiosulfate has the function of exciting mixed materials of cement and can improve the initial strength and the later strength of the cement, thereby effectively improving the service performance of the cement grinding aid. The triterpenoid saponin air entraining agent and the sodium lignin sulfonate have the action of the auxiliary aided grinding and simultaneously properly entrain air to reduce the water consumption of the cement standard consistence.
Description
Technical field
The present invention relates to a kind of cement grinding aid, is a kind of liquid cement grinding additive specifically.
Background technology
Domestic water cement grinding aids product has powder and two kinds of forms of liquid at present.Because liquid product is easy to use, cement factory only needs to increase a storage tank and a microprocessor pump drive, just can add smoothly, does not need complicated heavy equipment, is therefore used widely gradually.Liquid cement grinding additive, its prescription can basic fixed, do not need as the concrete admixture product in order to adapt to the often needs change of cement and changes of seasons prescription, it mainly is single or combination products such as amine, ethylene glycol, acetate that the prescription of existing liquid cement grinding additive is formed.Because these products, it is few to have a volume, and liquid meter adds convenient, improves mill grinding efficiency 10～20%, saves the unit time power consumption, improves the flowability of cement powder, helps bulk shipment and storage, so the cement factory use is very general abroad.
Domestic a kind of typical liquid cement grinding additive, it is made up of trolamine, ethylene glycol, Ammoniom-Acetate, urea, alkyl polyglycoside, sodium humate, fatty alcohol-polyoxyethylene ether and spent pulping liquor.External a kind of typical liquid grinding aid patent, it is by trolamine, ethylene glycol, sodium-acetate, urea, hydroxyalkyl amine, N, compositions such as two (2-hydroxyethyl)-N-(2 hydroxypropyl) amine, three (the 2-hydroxyl butyl) amine of N-, xylogen.This class prescription all has some weakness, as: main raw material(s) trolamine price is high always, causes the liquid grinding aid product cost higher; Alkali behind urea and the hydrated cementitious reacts, and can emit ammonia, and is unfavorable to the covil construction living environment; The exciting agent that does not add the excited cement mixture activity to improve the early stage and later strength of cement, increases blending amount of mixture material, helps the energy-saving and emission-reduction of Cement industry.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of liquid cement grinding additive, and this liquid cement grinding additive can reduce the consumption of trolamine significantly, does not contain urea.
Liquid cement grinding additive of the present invention, contain trolamine, glycol ether, tripoly phosphate sodium STPP, molasses, Sulfothiorine, bleed component and water, the mass percent of each component is trolamine 1-10%, glycol ether 5-10%, tripoly phosphate sodium STPP 1-10%, molasses 10-30%, Sulfothiorine 0-20%, bleed component 0～10%, surplus is a water, and wherein bleed component is the mixture of triterpenoid saponin air entrapment agent, sodium lignosulfonate or their arbitrary proportion.Wherein molasses are liquid, have commercially available.The present invention makes full use of the industrial effluent molasses and tripoly phosphate sodium STPP is done grinding aid, has significantly reduced the consumption of trolamine, and does not contain urea, has reduced product cost, helps environmental protection simultaneously.
As preferred version of the present invention, described liquid cement grinding additive contains the Sulfothiorine of 10-20%.Sulfothiorine has the effect of excited cement blended material, and favourable for the early stage and later strength that improves cement, it is good to the adaptability of concrete admixture simultaneously, is the ideal strongthener, thereby can effectively improves the use properties of cement grinding aid.
As another kind of preferred version of the present invention, the bleed component in the described liquid cement grinding additive is 1～5% triterpenoid saponin air entrapment agent and 1～5% sodium lignosulfonate.Simultaneously suitable bleed reduces cement normal consistency water consumption thereby triterpenoid saponin air entrapment agent and sodium lignosulfonate play auxiliary grinding aid effect.Triterpenoid saponin air entrapment agent and sodium lignosulfonate are commercially available product.
Aforesaid liquid cement grinding aid of the present invention adopts common process to mix and can obtain, and does not repeat them here.
This product is the liquid of homogeneous, and product is easy to use, and cement factory only needs to increase a storage tank and a microprocessor pump drive, just can add smoothly, does not need complicated heavy equipment.This product appearance is a brown liquid, PH (10% concentration)=8.5～12.0, proportion (20 ℃): 1.10～1.28g/cm
3, viscosity is 30～100cps (centipoise).Be applicable to ordinary Portland cement, pulverized fuel ash cement and composite Portland cement, volume is 0.02%～0.06%.Volume is few, does not change Cement Production technology, and metering is convenient.
Embodiment
Below in conjunction with embodiment and Application Example the present invention is described in further detail, but they are not limitation of the invention.Wherein, molasses (solid content 50%): Guangxi Chinese businessman state sugar trade Co., Ltd produces bagasse coventional type molasses; The triterpenoid saponin air entrapment agent: wild natural phant company limited produces in the Hangzhou, SJ-3; Sodium lignosulfonate: Morning Ring Paper Indusrty company limited in Jilin produces, and the board sodium lignosulfonate rings morning.
Embodiment 1
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 5%, glycol ether 8%, tripoly phosphate sodium STPP 5%, molasses 25%, surplus is a water.
Embodiment 2
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 1%, glycol ether 10%, tripoly phosphate sodium STPP 10%, molasses 30%, surplus is a water.
Embodiment 3
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 10%, glycol ether 5%, tripoly phosphate sodium STPP 1%, molasses 10%, surplus is a water.
Embodiment 4
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 8%, glycol ether 5%, tripoly phosphate sodium STPP 5%, molasses 30%, Sulfothiorine 12%, surplus is a water.
Embodiment 5
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 10%, glycol ether 5%, tripoly phosphate sodium STPP 1%, molasses 25%, triterpenoid saponin air entrapment agent 3%, surplus is a water.
Embodiment 6
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 1%, glycol ether 10%, tripoly phosphate sodium STPP 5%, molasses 25%, Sulfothiorine 20%, surplus is a water.
Embodiment 7
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 5%, glycol ether 8%, Sulfothiorine 15%, tripoly phosphate sodium STPP 5%, molasses 25%, triterpenoid saponin air entrapment agent 3%, sodium lignosulfonate 3%, surplus is a water.Detect through Jiangsu building material product quality monitoring testing station, every index all reaches or is better than national sector standard.
Embodiment 8
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 10%, glycol ether 5%, Sulfothiorine 12%, tripoly phosphate sodium STPP 1%, molasses 25%, triterpenoid saponin air entrapment agent 5%, sodium lignosulfonate 1%, surplus is a water.
Embodiment 9
A kind of liquid cement grinding additive, it is composed as follows to fill a prescription: trolamine 1%, glycol ether 5%, Sulfothiorine 14%, tripoly phosphate sodium STPP 5%, molasses 30%, triterpenoid saponin air entrapment agent 1%, sodium lignosulfonate 5%, surplus is a water.
Application Example
Grog, flyash, slag and gypsum are placed grinding machine, add liquid cement grinding additive of the present invention in the ratio of total mass per-cent 0.04%, and together carry out grinding and make cement, wherein, flyash and scoriaceous mass ratio as blended material are 1: 1, the mass content of gypsum in cement is 5%, and 1-9 represents the liquid cement grinding additive that has added embodiment 1-9 respectively.The cement of making is detected by GB175-2007 " general purpose portland cement ", and detected result is as shown in table 1.
Leading indicator contrast table before and after table 1 grinding aid uses
| Index | Blank | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Platform produces (t/h) | 113.8 | 120.1 | 119.5 | 120.5 | 123.6 | 123.4 | 120.5 | 125.0 | 124.6 | 121.3 |
| Power consumption (kwh/t) | 41.8 | 40.7 | 40.8 | 40.6 | 40.2 | 40.2 | 40.6 | 39.9 | 40.0 | 40.5 |
| 3d intensity (Mpa) | 29.0 | 29.6 | 29.2 | 30.5 | 30.8 | 30.0 | 31.2 | 30.5 | 29.2 | 29.3 |
| 28d intensity (Mpa) | 51.6 | 52.0 | 52.6 | 52.1 | 54.3 | 52.8 | 55.6 | 54.2 | 54.3 | 54.7 |
| Blended material (%) | 8.7 | 12.7 | 12.7 | 12.7 | 16.0 | 12.7 | 16.0 | 16.0 | 16.0 | 16.0 |
| Standard consistency (%) | 27.8 | 28.5 | 28.5 | 28.5 | 28.1 | 25.8 | 28.1 | 25.6 | 26.0 | 26.8 |
| Specific surface area (m 2/kg) | 354 | 370 | 371 | 370 | 375 | 374 | 372 | 373 | 370 | 368 |
| Specific surface qualification rate (%) | 90.3 | 99.6 | 99.5 | 99.8 | 99.6 | 99.8 | 99.5 | 99.7 | 99.6 | 99.8 |
Prepared cement carries out the concrete admixture adequacy test when using that liquid cement grinding additive is respectively blank and embodiment 4 among the embodiment.Wherein concrete admixture select for use naphthalene water reducer (Jiangsu Botexin Materials Co., Ltd produces, JM-9) and carboxylic acid water reducing agent (Jiangsu Botexin Materials Co., Ltd's product, PCA).The result is as shown in table 2.
As can be seen from Table 2, admixture the cement of embodiment 4 described liquid cement grinding additives of cement quality per-cent 0.04% and blank cement relatively, naphthalene water reducer and carboxylic acid water reducing agent are little to their adaptability difference, show as: under identical concrete mix condition, the discharging slump is more or less the same, and the slump-loss value after 1 hour differs also little; Concrete 's air-containing difference is little; The concrete strength of 7d and 28d also increases a little.
Cement and concrete admixture adaptability situation before and after the table 2 admixture cement grinding aid
| W kg/m 3 | C kg/m 3 | FA kg/m 3 | S kg/m 3 | G kg/m 3 | JM-9 kg/m 3 | PCA kg/m 3 | SL 0 mm | SL 1h mm | Air ％ | R7d Mpa | R28d Mpa | |
| Blank | 178 | 300 | 60 | 790 | 1072 | 4.3 | / | 220 | 150 | 2.8 | 30.2 | 39.8 |
| 4 | 178 | 300 | 60 | 790 | 1072 | 4.3 | / | 220 | 160 | 2.9 | 31.9 | 42.4 |
| Blank | 148 | 340 | 60 | 810 | 1070 | / | 4.0 | 220 | 210 | 3.5 | 43.4 | 52.7 |
| 4 | 148 | 340 | 60 | 810 | 1070 | / | 4.0 | 220 | 215 | 3.9 | 45.6 | 56.2 |
Annotate: go up in the table
W: water; C: cement; FA: flyash; S: sand; G: stone; SL
0: the initial slump; SL
1h: the slump behind the 1h; Air: air content; R7d:7 days intensity; R28d:28 days intensity.
Blank refers to the not cement of admixture grinding aid; 4 cement of embodiment 4 described liquid cement grinding additives of cement quality per-cent 0.04% that referred to admixtures.
Claims (3)
1, a kind of liquid cement grinding additive, contain trolamine, glycol ether, tripoly phosphate sodium STPP, molasses, Sulfothiorine, bleed component and water, the mass percent of each component is trolamine 1-10%, glycol ether 5-10%, tripoly phosphate sodium STPP 1-10%, molasses 10-30%, Sulfothiorine 0-20%, bleed component 0～10%, surplus is a water, and wherein bleed component is the mixture of triterpenoid saponin air entrapment agent, sodium lignosulfonate or their arbitrary proportion.
2, liquid cement grinding additive as claimed in claim 1 is characterized in that containing the Sulfothiorine of 10-20%.
3, liquid cement grinding additive as claimed in claim 1 or 2 is characterized in that the bleed component is 1～5% triterpenoid saponin air entrapment agent and 1～5% sodium lignosulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810124326XA CN101318792B (en) | 2008-06-26 | 2008-06-26 | Liquid cement grinding aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810124326XA CN101318792B (en) | 2008-06-26 | 2008-06-26 | Liquid cement grinding aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101318792A true CN101318792A (en) | 2008-12-10 |
| CN101318792B CN101318792B (en) | 2012-05-09 |
Family
ID=40179100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810124326XA Expired - Fee Related CN101318792B (en) | 2008-06-26 | 2008-06-26 | Liquid cement grinding aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101318792B (en) |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001842A (en) * | 2010-12-10 | 2011-04-06 | 甘肃省建材科研设计院 | Efficient cement grinding aid and preparation method thereof |
| CN102001840A (en) * | 2010-12-10 | 2011-04-06 | 甘肃省建材科研设计院 | Powder composite cement grinding additive and preparation method thereof |
| CN102092981A (en) * | 2010-12-10 | 2011-06-15 | 甘肃省建材科研设计院 | Energy-saving reinforced type liquid grinding aid for cement and preparation method thereof |
| CN102115315A (en) * | 2010-12-31 | 2011-07-06 | 枣庄市荣宝莱建材科技发展有限公司 | Liquid cement grinding aid |
| CN102372453A (en) * | 2010-08-16 | 2012-03-14 | 广州基业长青化工有限公司 | Cement composite grinding aid |
| CN102372454A (en) * | 2010-08-16 | 2012-03-14 | 广州基业长青化工有限公司 | Cement grinding aid |
| CN101665339B (en) * | 2009-09-10 | 2012-05-23 | 惠州市富力新技术有限公司 | Enhanced cement composite grinding aid |
| CN102557504A (en) * | 2011-12-31 | 2012-07-11 | 山东宏艺科技股份有限公司 | Steel slag grinding aid and preparation method thereof |
| US20120178854A1 (en) * | 2009-09-21 | 2012-07-12 | Sika Technology Ag | Iron(iii)-complexing agents for stabilizing comb polymers in mineral binding agents |
| CN102603226A (en) * | 2012-03-20 | 2012-07-25 | 柳州宝能建材科技有限公司 | Liquid cement grinding aid |
| CN103058577A (en) * | 2013-01-18 | 2013-04-24 | 科之杰新材料集团有限公司 | Liquid compound reinforced type cement grinding aid and preparation method thereof |
| US8460460B2 (en) | 2011-06-24 | 2013-06-11 | Construction Research & Technology Gmbh | Cementitious composition and admixture |
| CN103274625A (en) * | 2013-05-28 | 2013-09-04 | 杭州斯曼特建材科技有限公司 | Modified poly(hydramine) macromolecular compound cement grinding aid and preparation method thereof |
| CN103570267A (en) * | 2013-08-19 | 2014-02-12 | 广东中成化工股份有限公司 | Technology for manufacturing grinding aid through sodium hydrosulfite residue |
| US8657953B2 (en) | 2011-06-24 | 2014-02-25 | Construction Research & Technology Gmbh | Cement additive |
| CN103641370A (en) * | 2013-10-12 | 2014-03-19 | 史才军 | Composite cement enhanced grinding aid containing amide polyamine polycarboxylic acids and preparation method therefor |
| CN103964732A (en) * | 2014-05-05 | 2014-08-06 | 宁夏青铜峡市西夏科润建材有限公司 | Liquid cement grinding aid for improving adaptability of cement and concrete and preparing method thereof |
| CN104529233A (en) * | 2014-12-05 | 2015-04-22 | 惠州市富力新技术有限公司 | Novel composite cement grinding aid |
| CN104829147A (en) * | 2015-05-07 | 2015-08-12 | 张芳 | Cement production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1003511B (en) * | 1986-10-27 | 1989-03-08 | 国家建筑材料工业局建筑材料科学研究院水泥科学研究所 | Cement composite grinding aid |
| CN1133601C (en) * | 2001-08-14 | 2004-01-07 | 刘长林 | Grinding aid for cement |
| CN1332903C (en) * | 2006-01-04 | 2007-08-22 | 胡佩龙 | Cement grinding aids |
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