CN103086635A - Pumping agent and application thereof - Google Patents
Pumping agent and application thereof Download PDFInfo
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- CN103086635A CN103086635A CN2013100580657A CN201310058065A CN103086635A CN 103086635 A CN103086635 A CN 103086635A CN 2013100580657 A CN2013100580657 A CN 2013100580657A CN 201310058065 A CN201310058065 A CN 201310058065A CN 103086635 A CN103086635 A CN 103086635A
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- 238000005086 pumping Methods 0.000 title claims abstract description 82
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 95
- 239000004567 concrete Substances 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 11
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 17
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 15
- 229930006000 Sucrose Natural products 0.000 claims description 15
- 150000002170 ethers Chemical group 0.000 claims description 12
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 229920000609 methyl cellulose Polymers 0.000 claims description 8
- 239000001923 methylcellulose Substances 0.000 claims description 8
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 8
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 8
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 7
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 7
- 239000001509 sodium citrate Substances 0.000 claims description 7
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 7
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
- 101710194948 Protein phosphatase PhpP Proteins 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 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 6
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 claims description 6
- 239000001433 sodium tartrate Substances 0.000 claims description 6
- 229960002167 sodium tartrate Drugs 0.000 claims description 6
- 235000011004 sodium tartrates Nutrition 0.000 claims description 6
- 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 6
- 235000019263 trisodium citrate Nutrition 0.000 claims description 6
- 229940038773 trisodium citrate Drugs 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 5
- 150000008130 triterpenoid saponins Chemical class 0.000 claims description 5
- 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 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 229960001031 glucose Drugs 0.000 claims description 3
- 235000001727 glucose Nutrition 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- 239000004711 α-olefin Substances 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 abstract description 9
- 238000005204 segregation Methods 0.000 abstract description 6
- 239000004566 building material Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 239000012452 mother liquor Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920005646 polycarboxylate Polymers 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- -1 retardant Substances 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a pumping agent and application thereof, belonging to the field of building materials. The invention aims to provide a pumping agent and application thereof. The pumping aid consists of 175-325 parts by weight of polycarboxylic acid water reducing agent, 10-60 parts by weight of retarder, 10-50 parts by weight of water retention agent, 0.1-1.5 parts by weight of air entraining agent and 563.5-804.9 parts by weight of water. The invention also relates to application of the pumping agent in C15-C70 concrete, wherein the adding amount of the pumping agent is 0.9-2.2 wt% of a cementing material in the concrete. The pumping agent obtained by the invention has the advantages of good material adaptability, low mixing amount, high water reducing rate, low gas content, great contribution to concrete strength and the like, and mainly solves the problem of over-mixing of the polycarboxylic acid pumping agent which is difficult to avoid in practical application, can effectively prevent the poor problems of concrete bleeding, segregation and the like, and ensures the concrete quality.
Description
Technical field
The present invention relates to pumping agent and uses thereof, belong to building material field.
Background technology
Concrete pump-feed agent is a kind of admixture for concrete mixing, when construction, can reduce concrete pumping frictional force, concrete segregation and loss of slump, can improve concrete workability, accelerating construction progress, improve the pumpability of fresh concrete, can improve the weather resistance of maturing again, as impermeability, frost resistance etc.Be applicable to premixing Commercial Concrete, large fluidity concrete, High-Strength Pumped Concrete, self-compacting concrete, clear-water concrete, prevention of mass concrete, bridge construction concrete etc.
At present, on market, most of pumping agent is taked method of double crossing production, namely with present conventional several water reducers of using and have the admixture (retardant, plasticity-retention agent, air entrapment agent etc.) that helps pumping function and be mixed to get according to a certain percentage, the water reducer of employing is the water reducers such as naphthalene system, amino system and fatty family mostly.Yet naphthalene water reducer exists that water-reducing rate is on the low side, concrete slump through the time loss large, viscosity cross the shortcomings such as high; The molecular weight of aminosulfonic water-reducing agent hour easily causes the cement slurry bleeding very much, and concrete slump loss is very fast, but molecular weight is when too large, and its diminishing dispersiveness is affected again; The aliphatics based water reducer is brown liquid, makes the concrete of the system of mixing, mortar easily painted, and also there are the shortcomings such as Slump Time losing of Large is fast in the concrete that uses separately it to mix system.
Poly carboxylic acid series water reducer is the very excellent third generation water reducer of over-all properties, just begins in developed country's production applications such as Japan, Germany, the U.S. from late 1980s.It has that water-reducing rate is high, concrete slump through the time loss little, the plurality of advantages such as volume is low, large to the concrete strength contribution, the feature of environmental protection is good, high-strength, high durable, have unique advantage above special concrete, application on normal concrete is also more and more, demonstrates extraordinary application prospect.Yet, polycarboxylate high performance water-reducing agent is the problem of the raw-material adaptability problem such as existence and cement, flyash, sand, stone and anti-bleeding performance also, and the method that still needs to protect other function ingredients of moulding component, water conservation (thickening) component and needing by composite slow setting be solved.
Application number is 201210362876.1 patent " a kind of polycarboxylic acid series pumping agent and application thereof ", disclose a kind of pumping agent that is comprised of poly carboxylic acid series water reducer, retardant, air entrapment agent and water, this pumping agent has that adaptability for materials is good, volume is low, water-reducing rate is high, air content is low, large to the concrete strength contribution.Application number is the patent " a kind of exposed concrete pumping agent and preparation method thereof method " of 201010612714.X, disclose a kind of pumping agent that is formed by amino acid sodium sulfonate high efficiency water reducing agent, defoamer, retardant, water-holding agent and water, improved workability and the mobility of clear-water concrete.Be difficult in actual applications but all could not well solve pumping agent the super problem of mixing avoided, can not effectively prevent the generation of the bad problems such as concrete water bleeding, segregation.
Summary of the invention
Technical problem solved by the invention is that a kind of pumping agent and uses thereof is provided.
Pumping agent provided by the invention is comprised of the raw material of following weight part:
The effect of water reducer is to keep the concrete work degree constant and significantly reduce the admixture of its mixing water content, can significantly improve concrete strength, improves concrete frost resistance, impermeability.The plurality of advantages such as poly carboxylic acid series water reducer is the very excellent third generation water reducer of over-all properties, and it has, and water-reducing rate is high, concrete slump is little through time loss, volume is low, large to the concrete strength contribution, the feature of environmental protection is good.
As preferably, the present invention's poly carboxylic acid series water reducer used is ethers polycarboxylic acid water reducing agent.
Further, described ethers polycarboxylic acid water reducing agent comprises APEG type, TPEG type, MPEG type, IPEG type, HPEG type.
Further, in order to improve the performance of pumping agent, the solid content of described polycarboxylate water-reducer is preferably 40%.
Wherein, retardant plays the slow setting model retention effect, simultaneously concrete strength is also had certain contribution.Retardant of the present invention is preferably at least a in Sunmorl N 60S, white sugar, glucose, Trisodium Citrate, sodium tartrate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99; The consumption of slow setting component can be adjusted according to concrete environment for use temperature, and its consumption raises with daily mean temperature to be increased.
Further, slow setting component purity deficiency not only can because impurity content exceeding index, effective slow setting composition deficiency cause the slow setting model retention effect not good, even also can affect concrete final strength.In order to improve the retarding effect of pumping agent, more than the purity of described Sunmorl N 60S is preferably 98wt%, more than in white sugar, Sucrose is preferably 99.6wt%, more than the purity of glucose is preferably 98wt%, more than the purity of Trisodium Citrate is preferably 99wt%, more than the purity of sodium tartrate is preferably 98wt%, more than the purity of tripoly phosphate sodium STPP is preferably 99wt%, more than the purity of Sodium hexametaphosphate 99 is preferably 68wt%.
As preferably, water-holding agent of the present invention is a kind of in methylcellulose gum, carboxymethyl cellulose.
As preferably, air entrapment agent of the present invention is at least a in sodium lauryl sulphate, alpha-olefin sodium sulfonate, triterpenoid saponin, Sodium dodecylbenzene sulfonate.
Further, the invention still further relates to the purposes of described pumping agent in C15～C70 concrete.
According to GB50010-2010 " concrete structure relates to standard " regulation, normal concrete is divided into 14 grades, that is: C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75, C80.For example the concrete of C30 refers to 30MPa≤fcu, k＜35MPa.C15～C70 herein comprises C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, the concrete of these 12 strength marks of C70.
As preferably, in order to improve the efficient of pumping agent, the addition content of pumping agent is 0.9～2.2wt% of gelling material in concrete.
The invention still further relates to the preparation method of pumping agent, its preparation method is: poly carboxylic acid series water reducer is mixed according to proportioning with water, then add retardant, water-holding agent, air entrapment agent by ratio requirement, and mixing of materials is even, namely get pumping agent.
Beneficial effect of the present invention is, the gained pumping agent is liquid, is applicable to various silicate cements, strong operability; Have also simultaneously that adaptability is good, volume is low, water-reducing rate is high, air content is low, to advantages such as the concrete strength contribution are large; the most important thing is that gained pumping agent of the present invention has also mainly solved the poly carboxylic acid pumping agent and has been difficult in actual applications the super problem of mixing avoided; can effectively prevent the bad problems such as concrete water bleeding, segregation, guarantee concrete quality.Namely admixture super mix 0.2% or water super adding in 5% scope can effectively prevent concrete water bleeding, segregation.And solved simultaneously the problem of concrete parcel property and mobility two aspects, especially demonstrated unique advantage in the situation that the sandstone silt content exceeds standard or sand is partially thin.
Embodiment
Pumping agent provided by the invention is comprised of the raw material of following weight part:
The effect of water reducer is to keep the concrete work degree constant and significantly reduce the admixture of its mixing water content, can significantly improve concrete strength, improves concrete frost resistance, impermeability.The plurality of advantages such as poly carboxylic acid series water reducer is the very excellent third generation water reducer of over-all properties, and it has, and water-reducing rate is high, concrete slump is little through time loss, volume is low, large to the concrete strength contribution, the feature of environmental protection is good.
As preferably, the present invention's poly carboxylic acid series water reducer used is ethers polycarboxylic acid water reducing agent.
Further, described ethers polycarboxylic acid water reducing agent comprises APEG type, TPEG type, MPEG type, IPEG type, HPEG type.
Further, in order to improve the performance of pumping agent, the solid content of described polycarboxylate water-reducer is preferably 40%.
Wherein, retardant plays the slow setting model retention effect, simultaneously concrete strength is also had certain contribution.Retardant of the present invention is preferably at least a in Sunmorl N 60S, white sugar, glucose, Trisodium Citrate, sodium tartrate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99; The consumption of slow setting component can be adjusted according to concrete environment for use temperature, and its consumption raises with daily mean temperature to be increased.
Further, slow setting component purity deficiency not only can because impurity content exceeding index, effective slow setting composition deficiency cause the slow setting model retention effect not good, even also can affect concrete final strength.In order to improve the retarding effect of pumping agent, more than the purity of described Sunmorl N 60S is preferably 98wt%, more than in white sugar, Sucrose is preferably 99.6wt%, more than the purity of glucose is preferably 98wt%, more than the purity of Trisodium Citrate is preferably 99wt%, more than the purity of sodium tartrate is preferably 98wt%, more than the purity of tripoly phosphate sodium STPP is preferably 99wt%, more than the purity of Sodium hexametaphosphate 99 is preferably 68wt%.
As preferably, water-holding agent of the present invention is a kind of in methylcellulose gum, carboxymethyl cellulose.
As preferably, air entrapment agent of the present invention is at least a in sodium lauryl sulphate, alpha-olefin sodium sulfonate, triterpenoid saponin, Sodium dodecylbenzene sulfonate.
Further, the invention still further relates to the purposes of described pumping agent in C15～C70 concrete.
According to GB50010-2010 " concrete structure relates to standard " regulation, normal concrete is divided into 14 grades, that is: C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75, C80.For example the concrete of C30 refers to 30MPa≤fcu, k＜35MPa.C15～C70 herein comprises C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, the concrete of these 12 strength marks of C70.
As preferably, in order to improve the efficient of pumping agent, the addition content of pumping agent is 0.9～2.2wt% of gelling material in concrete.
The invention still further relates to the preparation method of pumping agent, its preparation method is: poly carboxylic acid series water reducer is mixed according to proportioning with water, then add retardant, water-holding agent, air entrapment agent by ratio requirement, and mixing of materials is even, namely get pumping agent.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
The preparation of embodiment 1 pumping agent of the present invention
Get poly carboxylic acid mother liquor (ethers, the APEG type, 40% solid content, trade(brand)name LonS-Mw water reducing type, Sichuan Jilong Chemical Construction Materials Co., Ltd of manufacturer, production code member 20120829-0) 3.25kg, after water 6.227kg mixes, add successively Sunmorl N 60S (purity 98.5%) 0.3kg, white sugar (Sucrose 〉=99.6%) 0.07kg, methylcellulose gum 0.15kg, sodium lauryl sulphate (content 〉=99%) 0.003kg to stir, namely get pumping agent.The volume of gained pumping agent is the 0.9-1.4wt% of gel material content in concrete.
The preparation of embodiment 2 pumping agents of the present invention
Get poly carboxylic acid mother liquor (ethers, the APEG type, 40% solid content, trade(brand)name LonS-Mw water reducing type, Sichuan Jilong Chemical Construction Materials Co., Ltd of manufacturer, production code member 20121207-0) 1.75kg, after water 7.928kg mixes, add successively Sunmorl N 60S (purity 〉=98.5%) 0.21kg, Sodium hexametaphosphate 99 (purity 〉=68wt%) 0.03kg, white sugar (Sucrose 〉=99.6%) 0.07kg, triterpenoid saponin 0.012kg, stir, namely get pumping agent.The volume of gained pumping agent is gel material content 1.5-2.2wt% in concrete.
The preparation of embodiment 3 pumping agents of the present invention
Poly carboxylic acid mother liquor (ethers with 200 weight parts, the APEG type, 40% solid content, trade(brand)name LonS-Mw water reducing type, Sichuan Jilong Chemical Construction Materials Co., Ltd of manufacturer, production code member 20121207-0) with after the water of 760.8 weight parts evenly mixes, add successively the Sunmorl N 60S of 23 weight parts, 6 weight part Sodium hexametaphosphate 99s, the methylcellulose gum of 10 weight parts, 0.2 the sodium lauryl sulphate of weight part stirs, and namely gets pumping agent.The volume of gained pumping agent is gel material content 1.2-1.7wt% in concrete.Pumping agent is used for the production of commerical ready-mixed concrete C15.
The preparation of embodiment 4 pumping agents of the present invention
Poly carboxylic acid mother liquor (ethers with 250 weight parts, the APEG type, 40% solid content, trade(brand)name LonS-Mw water reducing type, Sichuan Jilong Chemical Construction Materials Co., Ltd of manufacturer, production code member 20121207-0) with after the water of 707.7 weight parts evenly mixes, add successively the Sunmorl N 60S of 25 weight parts, 7 weight part Trisodium Citrates, the methylcellulose gum of 9 weight parts, 1.3 the triterpenoid saponin of weight part stirs, and namely gets pumping agent.The volume of gained pumping agent is gel material content 1.0-1.6wt% in concrete.Pumping agent is used for the production of commerical ready-mixed concrete C35.
The preparation of embodiment 5 pumping agents of the present invention
Poly carboxylic acid mother liquor (ethers with 300 weight parts, the APEG type, 40% solid content, trade(brand)name LonS-Mw water reducing type, Sichuan Jilong Chemical Construction Materials Co., Ltd of manufacturer, production code member 20121207-0) with after the water of 651.75 weight parts evenly mixes, add successively the Sunmorl N 60S of 27 weight parts, the white sugar of 8 weight parts, the methylcellulose gum of 13 weight parts, 0.25 the sodium lauryl sulphate of weight part stirs, and namely gets pumping agent.The volume of gained pumping agent is gel material content 1.1-1.5wt% in concrete.Pumping agent is used for the production of commerical ready-mixed concrete C50.
The preparation of embodiment 6 pumping agents of the present invention
Poly carboxylic acid mother liquor (ethers with 325 weight parts, the APEG type, 40% solid content, trade(brand)name LonS-Mw water reducing type, Sichuan Jilong Chemical Construction Materials Co., Ltd of manufacturer, production code member 20121207-0) with after the water of 634.7 weight parts evenly mixes, add successively the Sunmorl N 60S of 30 weight parts, 8 weight part white sugar, the methylcellulose gum of 12 weight parts, 0.3 the sodium lauryl sulphate of weight part stirs, and namely gets pumping agent.The volume of gained pumping agent is gel material content 1.2-1.4wt% in concrete.Pumping agent is used for the production of commerical ready-mixed concrete C70.
Test example 1
The pumping agent of embodiment 1, example 2 preparations is respectively used to the production of commerical ready-mixed concrete C50.Concrete proportioning is: cement 443 weight parts, flyash 44 weight parts, machine sand 760 weight parts, stone 1066 weight parts, embodiment 1 admixture dosage 1.2%, embodiment 2 admixture dosages 2.0%.Its detected result is as shown in table 1.
Table 1 detected result
In addition, according to the method described above the pumping agent of the present invention of embodiment 3-6 preparation detected, result shows its performance data result and embodiment 1,2 close.
Test example 2
Be that in the patent of 201210362876.1 " a kind of polycarboxylic acid series pumping agent and application thereof " (hereinafter to be referred as documents 1), the detection index of pumping agent is compared to the embodiment of the present invention 1 gained pumping agent and application number, the results are shown in Table 2, water-reducing rate, the time of coagulation of two pumping agents, the index such as poor, air content, 1h slump rheological parameters' change with time amount was substantially suitable, but pumping agent bleeding rate ratio of the present invention is 17%, documents 1 bleeding rate ratio is 26%, bleeding rate of the present invention is obvious more excellent than index, thereby has more advantage aspect concrete water bleeding, segregation overcoming.
The main performance index of table 2 polycarboxylic acid series pumping agent
Annotate: 1. employing standard: GB8076-2008, GB8077-2000;
2. volume 1.1%.
Test example 3
Compare with the patent " a kind of exposed concrete pumping agent and preparation method thereof method " (hereinafter to be referred as documents 2) that application number is 201010612714.X, documents 2 gained pumping agents, its volume need reach 2.0-4.0%, and water-reducing rate just can reach more than 20%; And gained pumping agent of the present invention, volume water-reducing rate 1.1% time can reach 30%, has a volume low, the advantage that water-reducing rate is high.
Claims (10)
1. pumping agent, is characterized in that, is comprised of the raw material of following weight part:
2. pumping agent according to claim 1, it is characterized in that: described poly carboxylic acid series water reducer is ethers polycarboxylic acid water reducing agent.
3. pumping agent according to claim 2, it is characterized in that: described ethers polycarboxylic acid water reducing agent comprises APEG type, TPEG type, MPEG type, IPEG type, HPEG type.
4. according to claim 1～3 described pumping agents of any one, it is characterized in that: the solid content of described poly carboxylic acid series water reducer is 40%.
5. according to claim 1～4 described pumping agents of any one is characterized in that: described retardant is at least a in Sunmorl N 60S, white sugar, glucose, Trisodium Citrate, sodium tartrate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99.
6. pumping agent according to claim 5, it is characterized in that: the purity of described Sunmorl N 60S is more than 98wt%, more than in white sugar, sucrose is divided into 99.6wt%, the purity of glucose is more than 98wt%, the purity of Trisodium Citrate is more than 99wt%, the purity of sodium tartrate is more than 98wt%, and the purity of tripoly phosphate sodium STPP is more than 99wt%, and the purity of Sodium hexametaphosphate 99 is more than 68wt%.
7. according to claim 1～6 described pumping agents of any one is characterized in that: described water-holding agent is a kind of in methylcellulose gum, carboxymethyl cellulose.
8. according to claim 1～7 described pumping agents of any one is characterized in that: described air entrapment agent is at least a in sodium lauryl sulphate, alpha-olefin sodium sulfonate, triterpenoid saponin, Sodium dodecylbenzene sulfonate.
9. the purposes of the described pumping agent of claim 1～8 any one in C15～C70 concrete.
10. the purposes of pumping agent according to claim 9 in C15～C70 concrete, is characterized in that, its addition content is 0.9～2.2wt% of gelling material in concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100580657A CN103086635A (en) | 2013-02-25 | 2013-02-25 | Pumping agent and application thereof |
Applications Claiming Priority (1)
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| CN103265224A (en) * | 2013-05-29 | 2013-08-28 | 上海华联建筑外加剂厂有限公司 | Polycarboxylate series low-concentration slump retaining intermediate-acting pumping agent |
| CN103553411A (en) * | 2013-10-24 | 2014-02-05 | 郑州大学 | Special pumping agent for full-tailing pasty fluid cementing filling slurry and application of special pumping agent |
| CN103664048A (en) * | 2013-12-03 | 2014-03-26 | 杨峰 | Mortar reinforcing agent |
| CN104961404A (en) * | 2015-06-10 | 2015-10-07 | 上海城建物资有限公司 | Super-long-workability steel arch self-compacting concrete |
| CN105174875A (en) * | 2015-10-15 | 2015-12-23 | 重庆富皇混凝土有限公司 | High-fluidity pumping ceramsite concrete and preparation method thereof |
| CN105314922A (en) * | 2015-12-09 | 2016-02-10 | 攀枝花钢企欣宇化工有限公司 | Efficient pumping agent and application thereof |
| CN105948552A (en) * | 2016-05-02 | 2016-09-21 | 唐岁寒 | Cementing material additive |
| CN106007472A (en) * | 2016-05-24 | 2016-10-12 | 十九冶成都建设有限公司 | Composite water reducing agent for slag powder/rock powder high-content double-doped concrete |
| CN106145752A (en) * | 2016-06-24 | 2016-11-23 | 桂林华越环保科技有限公司 | A kind of cement water reducing agent |
| CN106348638A (en) * | 2016-08-23 | 2017-01-25 | 中建西部建设西南有限公司 | Additive for maintaining construction performance of wet mixing mortar and preparation method thereof |
| CN106380102A (en) * | 2016-08-30 | 2017-02-08 | 卓达新材料科技集团威海股份有限公司 | High efficiency composite pumping aid for house 3D printing slurry |
| CN106380108A (en) * | 2016-08-30 | 2017-02-08 | 卓达新材料科技集团威海股份有限公司 | High efficiency underwater pumping aid for house 3D printing slurry |
| CN106431067A (en) * | 2016-08-30 | 2017-02-22 | 卓达新材料科技集团威海股份有限公司 | High-efficiency fluidized pumping aid used for 3D printing house slurry |
| CN106467371A (en) * | 2016-09-27 | 2017-03-01 | 山东江泰建材科技有限公司 | A kind of freeze proof melt type concrete pump-feed agent |
| CN106565125A (en) * | 2016-11-17 | 2017-04-19 | 武汉天衣集团有限公司 | WHDF-G type pumping aid suitable for super high-rise concrete |
| CN107010865A (en) * | 2017-03-20 | 2017-08-04 | 南充市畅通科技服务有限公司 | A kind of modified polycarboxylic acid water reducer and its production method |
| CN107188452A (en) * | 2017-06-28 | 2017-09-22 | 常州建轩纺织品有限公司 | A kind of concrete pumping antifreezing agent and preparation method thereof |
| CN107459279A (en) * | 2017-07-21 | 2017-12-12 | 贵州凯襄新材料有限公司 | A kind of compound anti-freezing pumping admixture and preparation method thereof |
| CN107759126A (en) * | 2017-10-10 | 2018-03-06 | 江苏苏博特新材料股份有限公司 | A kind of gunite concrete water reducer and preparation method thereof |
| CN109293278A (en) * | 2018-09-20 | 2019-02-01 | 贵州凯襄新材料有限公司 | A kind of feeding exposed concrete pumping agent and preparation method thereof |
| CN109704629A (en) * | 2019-03-06 | 2019-05-03 | 马永胜 | A kind of concrete pump-feed agent |
| CN110423041A (en) * | 2019-07-17 | 2019-11-08 | 四川同舟化工科技有限公司 | Guarantor for improving concrete is collapsed effect and easy agent |
| CN110590223A (en) * | 2019-10-24 | 2019-12-20 | 山东鲁碧建材有限公司 | Concrete segregation resisting agent and concrete |
| CN111847958A (en) * | 2020-05-25 | 2020-10-30 | 中铁五局集团第四工程有限责任公司 | Composite retarding material and preparation method thereof |
| CN111960718A (en) * | 2020-07-22 | 2020-11-20 | 浙江五龙新材股份有限公司 | Super-retarding efficient pumping aid and application thereof |
| CN112456857A (en) * | 2020-11-27 | 2021-03-09 | 姚小永 | Environment-friendly concrete pumping agent and preparation method thereof |
| CN113955972A (en) * | 2021-12-08 | 2022-01-21 | 眉山海螺新材料科技有限公司 | Seventy-two-hour ultra-retarding polycarboxylic acid pumping aid and preparation method thereof |
| CN116425470A (en) * | 2023-03-01 | 2023-07-14 | 广州协堡建材有限公司 | High-performance wet-mixed plastering mortar and preparation process thereof |
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| CN102786255A (en) * | 2012-07-17 | 2012-11-21 | 中科院广州化学有限公司 | Water-based mortar modifier, its preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102786255A (en) * | 2012-07-17 | 2012-11-21 | 中科院广州化学有限公司 | Water-based mortar modifier, its preparation method and application |
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| CN103265224A (en) * | 2013-05-29 | 2013-08-28 | 上海华联建筑外加剂厂有限公司 | Polycarboxylate series low-concentration slump retaining intermediate-acting pumping agent |
| CN103553411A (en) * | 2013-10-24 | 2014-02-05 | 郑州大学 | Special pumping agent for full-tailing pasty fluid cementing filling slurry and application of special pumping agent |
| CN103553411B (en) * | 2013-10-24 | 2015-08-19 | 郑州大学 | A kind of special pumping agent of crude tailings lotion binding backfill slurry and application thereof |
| CN103664048A (en) * | 2013-12-03 | 2014-03-26 | 杨峰 | Mortar reinforcing agent |
| CN104961404A (en) * | 2015-06-10 | 2015-10-07 | 上海城建物资有限公司 | Super-long-workability steel arch self-compacting concrete |
| CN105174875A (en) * | 2015-10-15 | 2015-12-23 | 重庆富皇混凝土有限公司 | High-fluidity pumping ceramsite concrete and preparation method thereof |
| CN105174875B (en) * | 2015-10-15 | 2017-05-17 | 重庆富皇混凝土有限公司 | High-fluidity pumping ceramsite concrete and preparation method thereof |
| CN105314922A (en) * | 2015-12-09 | 2016-02-10 | 攀枝花钢企欣宇化工有限公司 | Efficient pumping agent and application thereof |
| CN105948552A (en) * | 2016-05-02 | 2016-09-21 | 唐岁寒 | Cementing material additive |
| CN106007472A (en) * | 2016-05-24 | 2016-10-12 | 十九冶成都建设有限公司 | Composite water reducing agent for slag powder/rock powder high-content double-doped concrete |
| CN106145752A (en) * | 2016-06-24 | 2016-11-23 | 桂林华越环保科技有限公司 | A kind of cement water reducing agent |
| CN106348638A (en) * | 2016-08-23 | 2017-01-25 | 中建西部建设西南有限公司 | Additive for maintaining construction performance of wet mixing mortar and preparation method thereof |
| CN106380102A (en) * | 2016-08-30 | 2017-02-08 | 卓达新材料科技集团威海股份有限公司 | High efficiency composite pumping aid for house 3D printing slurry |
| CN106380108A (en) * | 2016-08-30 | 2017-02-08 | 卓达新材料科技集团威海股份有限公司 | High efficiency underwater pumping aid for house 3D printing slurry |
| CN106431067A (en) * | 2016-08-30 | 2017-02-22 | 卓达新材料科技集团威海股份有限公司 | High-efficiency fluidized pumping aid used for 3D printing house slurry |
| CN106467371A (en) * | 2016-09-27 | 2017-03-01 | 山东江泰建材科技有限公司 | A kind of freeze proof melt type concrete pump-feed agent |
| CN106565125A (en) * | 2016-11-17 | 2017-04-19 | 武汉天衣集团有限公司 | WHDF-G type pumping aid suitable for super high-rise concrete |
| CN107010865A (en) * | 2017-03-20 | 2017-08-04 | 南充市畅通科技服务有限公司 | A kind of modified polycarboxylic acid water reducer and its production method |
| CN107188452A (en) * | 2017-06-28 | 2017-09-22 | 常州建轩纺织品有限公司 | A kind of concrete pumping antifreezing agent and preparation method thereof |
| CN107459279A (en) * | 2017-07-21 | 2017-12-12 | 贵州凯襄新材料有限公司 | A kind of compound anti-freezing pumping admixture and preparation method thereof |
| CN107759126A (en) * | 2017-10-10 | 2018-03-06 | 江苏苏博特新材料股份有限公司 | A kind of gunite concrete water reducer and preparation method thereof |
| CN109293278A (en) * | 2018-09-20 | 2019-02-01 | 贵州凯襄新材料有限公司 | A kind of feeding exposed concrete pumping agent and preparation method thereof |
| CN109704629A (en) * | 2019-03-06 | 2019-05-03 | 马永胜 | A kind of concrete pump-feed agent |
| CN110423041A (en) * | 2019-07-17 | 2019-11-08 | 四川同舟化工科技有限公司 | Guarantor for improving concrete is collapsed effect and easy agent |
| CN110590223A (en) * | 2019-10-24 | 2019-12-20 | 山东鲁碧建材有限公司 | Concrete segregation resisting agent and concrete |
| CN111847958A (en) * | 2020-05-25 | 2020-10-30 | 中铁五局集团第四工程有限责任公司 | Composite retarding material and preparation method thereof |
| CN111960718A (en) * | 2020-07-22 | 2020-11-20 | 浙江五龙新材股份有限公司 | Super-retarding efficient pumping aid and application thereof |
| CN112456857A (en) * | 2020-11-27 | 2021-03-09 | 姚小永 | Environment-friendly concrete pumping agent and preparation method thereof |
| CN113955972A (en) * | 2021-12-08 | 2022-01-21 | 眉山海螺新材料科技有限公司 | Seventy-two-hour ultra-retarding polycarboxylic acid pumping aid and preparation method thereof |
| CN116425470A (en) * | 2023-03-01 | 2023-07-14 | 广州协堡建材有限公司 | High-performance wet-mixed plastering mortar and preparation process thereof |
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Application publication date: 20130508 |