CN103524069A - Concrete pumping agent and preparation method and application thereof - Google Patents
Concrete pumping agent and preparation method and application thereof Download PDFInfo
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- CN103524069A CN103524069A CN201310445144.3A CN201310445144A CN103524069A CN 103524069 A CN103524069 A CN 103524069A CN 201310445144 A CN201310445144 A CN 201310445144A CN 103524069 A CN103524069 A CN 103524069A
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- 239000004567 concrete Substances 0.000 title claims abstract description 153
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000005086 pumping Methods 0.000 title abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000013530 defoamer Substances 0.000 claims description 35
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 19
- -1 59.7 parts Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- 229920005646 polycarboxylate Polymers 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 239000000839 emulsion Substances 0.000 claims description 6
- 150000008130 triterpenoid saponins Chemical group 0.000 claims description 5
- 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 4
- 229930006000 Sucrose Natural products 0.000 claims description 4
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 239000001509 sodium citrate Substances 0.000 claims description 4
- 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 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 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 4
- 229940038773 trisodium citrate Drugs 0.000 claims description 4
- 229920005862 polyol Polymers 0.000 claims description 3
- 150000003077 polyols Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000004566 building material Substances 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 230000001413 cellular effect Effects 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 7
- 238000005204 segregation Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 4
- 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 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 230000009916 joint effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- 241000197194 Bulla Species 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The invention relates to the field of building materials, in particular to a concrete pumping agent and a preparation method and application thereof. The concrete pumping agent disclosed by the invention comprises the following components in parts by weight: 15-35 parts of polycarboxylic water reducer, 0.1-0.6 part of defoaming agent, 1-3 parts of rheological agent, 1-5 parts of retarder, 0.03-0.2 part of air entraining agent and 56.2-82.87 parts of water, wherein the solid content of the polycarboxylic water reducer is 40%. The pumping agent can effectively solve the problems of rough surface and more pores and cellular pitted surfaces of the concrete prepared by the common pumping agent after demoulding, and has good effect on the formation of the effects of clear water and mirror surfaces on the surface of the fair-faced concrete.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of concrete pump-feed agent and preparation method thereof and application.
Background technology
Clear-water concrete, claims again decorative concrete, is to build surface or using the transparency protected dose of concrete surface of doing protectiveness processing as outer surface of building so that concrete is former, because it has decorative effect, gains the name.The moulding of clear-water concrete one-time-concreting, any decorations are not done on surface, and directly adopting Concrete in Natural look is facing.Therefore, clear-water concrete requires its mixture color and luster even, has good workability (mobility, cohesiveness and water-retentivity), must not occur segregation and bleeding.In pumping construction, not only require to have good flowing property, also require to have good cohesiveness, so just can make fresh concrete be easy to form and laminated segregation phenomenon does not occur, and cement slurry is as concrete gelling material, its rheological property will directly affect concrete serviceability.The preparation of clear-water concrete has proposed very harsh requirement to starting material, not only needs cement, flyash, the Aggregate of high-quality, also needs the concrete pump-feed agent that performance is very superior.
Polycarboxylate water-reducer have advantages of that volume is low, water-reducing rate is high, slump retaining is good and other cement water reducing agents such as concrete work performance excellence incomparable, but common polycarboxylate water-reducer is due to its synthesis technique horizontal constraints, while being directly used in concrete, concrete 's air-containing is high, intensity is lower, the smooth surface, color and luster that is difficult to meet clear-water concrete evenly, without particular requirements such as honeycomb, pitted skins.Therefore the polycarboxylate water-reducer that research is applicable to clear-water concrete makes clear-water concrete reduce bubble, structure is closely knit, and guarantees that concrete intensity and serviceability have very important realistic meaning.
Adopt the compounded technology of defoamer, air entrapment agent and polycarboxylate water-reducer, can eliminate the surface imperfection that rough atmosphere in concrete steeps to reduce clear-water concrete, introduce uniform small bubbles to guarantee the good serviceability of concrete simultaneously.The outstanding problem that compounded technology faces is to select suitable defoamer, air entrapment agent, also will accurately determine defoamer and air entrapment agent volume problem separately simultaneously.The defoamer concrete 's air-containing that easily causes as excessive in volume is too low, and mobility is bad is difficult to construction, but the high phenomenons such as concrete surface bulla is many, pitted skin that cause of the little concrete 's air-containing of volume.Air entrapment agent easily causes degree of compactness reduction, strength degradation too much as mixed, but the little meeting of volume causes construction inconvenience, and the bubble that concrete viscosity is crossed in ambassador's concrete is difficult to discharge.
Patent of invention CN102101762A discloses a kind of exposed concrete pumping agent and preparation method thereof, its pumping agent is comprised of the raw material of following weight percent: sulfamate high-effective water-reducing agent 30%-50%, defoamer 0.1%-0.5%, retardant 1.0%-3.0%, water-holding agent 0.02%-0.08%, surplus are water.This exposed concrete pumping agent can improve the workability of clear-water concrete to a certain extent, make concrete surface more smooth smooth, clear water effect is outstanding, but adopt clear-water concrete surface prepared by this pumping agent to still have a small amount of cavity, surface finish also needs further to be improved, and its clear water effect can not meet the requirement of people to clear-water concrete.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of concrete pump-feed agent of clear water better effects if.
Concrete pump-feed agent of the present invention, component by following weight part forms: poly carboxylic acid series water reducer 15-35 part, defoamer 0.1-0.6 part, rheological agent 1-3 part, retardant 1-5 part, air entrapment agent 0.03-0.2 part, water 56.2-82.87 part, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
Preferably, component by following weight part forms: poly carboxylic acid series water reducer 15-35 part, defoamer 0.15-0.5 part, rheological agent 1-3 part, retardant 1-5 part, air entrapment agent 0.05-0.1 part, water 56.4-82.78 part, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
More preferably the component by following weight part forms: 33 parts of poly carboxylic acid series water reducers, 0.25 part of defoamer, 3 parts of rheological agents, 4 parts of retardant, 0.05 part of air entrapment agent, 59.7 parts, water; Or the component by following weight part forms: 20 parts of poly carboxylic acid series water reducers, 0.2 part of defoamer, 1.5 parts of rheological agents, 3 parts of retardant, 0.1 part of air entrapment agent, and 75.2 parts, water, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
Pumping agent of the present invention is comprised of high performance water reducing agent of polyocarboxy acid, defoamer, rheological agent, retardant, air entrapment agent and water.
The Main Function of high-performance water reducing agent is to mix water reducer can greatly improve the dispersion effect between gelling material particle, can, in the situation that keeping mixture water cement ratio constant, improve its serviceability; Keep the constant situation of concrete workability, reducing concrete folk prescription water consumption, improving concrete strength.
Defoamer can be eliminated the unfavorable air pocket that polycarboxylate water-reducer causes, can also eliminate the bad bubble of other composition bleeds in concrete.Defoamer of the present invention is that this area engineering technical personnel know defoamer kind, comprises silicon defoamer, polyethers defoamer, polysiloxane defoamers, higher alcohols etc.Preferred defoamer is dimethyl silicone oil (also claiming polydimethylsiloxane) or silicone emulsion.
Rheological agent can increase the bridge joint effect between gelling material and aggregate, makes cement mortar slurry have suitable thixotropic property, thereby when slurry flows, drives aggregate to flow together, strengthens concrete parcel performance, avoids concrete disintegration.Use the concrete of rheological agent to have lower yielding stress,, when reaching desired plasticity viscosity, concrete has better mobility.This effectively fills up template to concrete mix, forms smooth surface and has vital role.Evidence itself and polycarboxylic acids water reducing agent compositional result of use are best.Rheological agent of the present invention is a kind of programmable synthesized polymer material.Commercially available conventional rheological agent is all applicable to the present invention.Rheological agent is preferably high molecular weight polyols, more preferably LiqSand concrete rheological agent, the agent of SY-800 concrete rheological.
Retardant can delay the hydration rate of cement, extends concrete final setting time, makes fresh concrete can in the longer time, keep good serviceability.Retardant of the present invention is known one or more the inorganic or organic retardant of this area engineering technical personnel, is preferably at least one in Sunmorl N 60S, Trisodium Citrate, Sodium hexametaphosphate 99, white sugar.
Air entrapment agent can make concrete mix introducing air and form even, stable diameter at the micro-bubble of 20～300 μ m when stirring.Mixing of it makes concrete self have good easy to be close property and exhaust capacity, makes again the ability of concrete anti-segregation bleeding significantly promote.Formation for clear-water concrete surface clear water, mirror effect has extraordinary effect.Preferably, air entrapment agent of the present invention is triterpenoid saponin or AOS air entrapment agent, and wherein AOS air entrapment agent refers to alpha-olefin sodium sulfonate.
The present invention also provides the preparation method of concrete pump-feed agent of the present invention, comprises the steps: that (1) accurately takes various components by weight; (2) by polycarboxylate water-reducer, water, defoamer mix and blend 30-40min; (3) add rheological agent, retardant, air entrapment agent to stir 15-30min, obtain.
The present invention also provides the application of concrete pump-feed agent of the present invention in clear-water concrete.Exposed concrete pumping agent of the present invention is light brown liquid, and density is at 1.08g-1.30g/cm
3, pH is at 6.5-7.0, and its volume in concrete is the 0.7-2.6wt% of gel material content in concrete, and accurately volume, based on guaranteeing concrete flowing property, function of slump protection and the clear water effect that guarantees concrete surface, is determined according to test.
Each component in concrete pump-feed agent of the present invention has well been brought into play synergy.High performance water reducing agent of polyocarboxy acid, guaranteed the high water-reducing property of pumping agent, Compounded Antifoamer has been eliminated the bad bubble that in polycarboxylate water-reducer and concrete, other compositions cause, adding of rheological agent increased concrete parcel performance, when guaranteeing concrete good flow performance, avoid segregation, bleeding, adding of retardant effectively delays hydrated cementitious, guarantee that concrete has the workability of long period, high-quality air entrapment agent makes concrete self have good easy to be close property and exhaust capacity, make again the ability of concrete anti-segregation bleeding significantly promote.In a word, use concrete pump-feed agent of the present invention can effectively improve concrete demoulding rear surface prepared by common pumping agent coarse, pore, the problem that honeycomb and scale is many, have extraordinary effect for the formation of clear-water concrete surface clear water, mirror effect.Through lot of experiments proof, use the concrete construction excellent performance of concrete pump-feed agent of the present invention, 1 hour slump through time loss be less than 30mm, intensity is guaranteed, concrete water-reducing ratio generally remains on more than 28%, can effectively improve the workability of clear-water concrete, concrete surface is smooth smooth, and clear water effect is outstanding, and the aspect performance such as impervious, endurance quality is excellent.
Accompanying drawing explanation
Fig. 1 is the photo utilizing after the concrete form removal that prepared by the special-purpose pumping agent of clear-water concrete described in the embodiment of the present invention 1;
Fig. 2 is according to concrete gel material identical in embodiment 1 and consumption, utilizes the photo after concrete form removal prepared by general pumping agent.General pumping agent by polycarboxylate water-reducer, retardant, water-holding agent, air entrapment agent is composite forms;
Fig. 3 is according to concrete gel material identical in embodiment 1 and consumption, utilizes the photo after the pumping agent concrete form removal that in documents CN102101762A prepared by the open formula of embodiment 1.
Embodiment
Concrete pump-feed agent of the present invention, component by following weight part forms: poly carboxylic acid series water reducer 15-35 part, defoamer 0.1-0.6 part, rheological agent 1-3 part, retardant 1-5 part, air entrapment agent 0.03-0.2 part, water 56.2-82.87 part, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
Preferably, component by following weight part forms: poly carboxylic acid series water reducer 15-35 part, defoamer 0.15-0.5 part, rheological agent 1-3 part, retardant 1-5 part, air entrapment agent 0.05-0.1 part, water 56.4-82.78 part, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
More preferably the component by following weight part forms: 33 parts of poly carboxylic acid series water reducers, 0.25 part of defoamer, 3 parts of rheological agents, 4 parts of retardant, 0.05 part of air entrapment agent, 59.7 parts, water; Or the component by following weight part forms: 20 parts of poly carboxylic acid series water reducers, 0.2 part of defoamer, 1.5 parts of rheological agents, 3 parts of retardant, 0.1 part of air entrapment agent, and 75.4 parts, water, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
Pumping agent of the present invention is comprised of high performance water reducing agent of polyocarboxy acid, defoamer, rheological agent, retardant, air entrapment agent and water.
The Main Function of high-performance water reducing agent is to mix water reducer can greatly improve the dispersion effect between gelling material particle, can, in the situation that keeping mixture water cement ratio constant, improve its serviceability; Keep the constant situation of concrete workability, reducing concrete folk prescription water consumption, improving concrete strength.
Defoamer can be eliminated the unfavorable air pocket that polycarboxylate water-reducer causes, can also eliminate the bad bubble of other composition bleeds in concrete.Defoamer of the present invention is that this area engineering technical personnel know defoamer kind, comprises silicon defoamer, polyethers defoamer, polysiloxane defoamers, higher alcohols etc.Preferred defoamer is dimethyl silicone oil (also claiming polydimethylsiloxane) or silicone emulsion.
Rheological agent can increase the bridge joint effect between gelling material and aggregate, makes cement mortar slurry have suitable thixotropic property, thereby when slurry flows, drives aggregate to flow together, strengthens concrete parcel performance, avoids concrete disintegration.Use the concrete of rheological agent to have lower yielding stress,, when reaching desired plasticity viscosity, concrete has better mobility.This effectively fills up template to concrete mix, forms smooth surface and has vital role.Evidence itself and polycarboxylic acids water reducing agent compositional result of use are best.Rheological agent of the present invention is a kind of programmable synthesized polymer material.Commercially available conventional rheological agent is all applicable to the present invention.Rheological agent is preferably high molecular weight polyols, more preferably LiqSand concrete rheological agent, the agent of SY-800 concrete rheological.
Retardant can delay the hydration rate of cement, extends concrete final setting time, makes fresh concrete can in the longer time, keep good serviceability.Retardant of the present invention is known one or more the inorganic or organic retardant of this area engineering technical personnel, is preferably at least one in Sunmorl N 60S, Trisodium Citrate, Sodium hexametaphosphate 99, white sugar.
Air entrapment agent can make concrete mix introducing air and form even, stable diameter at the micro-bubble of 20～300 μ m when stirring.Mixing of it makes concrete self have good easy to be close property and exhaust capacity, makes again the ability of concrete anti-segregation bleeding significantly promote.Formation for clear-water concrete surface clear water, mirror effect has extraordinary effect.Preferably, air entrapment agent of the present invention is triterpenoid saponin or AOS air entrapment agent, and wherein AOS air entrapment agent refers to alpha-olefin sodium sulfonate.
The preparation method of concrete pump-feed agent of the present invention, comprises the steps: that (1) accurately takes various components by weight; (2) by polycarboxylate water-reducer, water, defoamer mix and blend 30-40min; (3) add rheological agent, retardant, air entrapment agent to stir 15-30min, obtain.
The present invention also provides the application of concrete pump-feed agent of the present invention in clear-water concrete.Exposed concrete pumping agent of the present invention is light brown liquid, and density is at 1.08g-1.30g/cm
3, pH is at 6.5-7.0, and its volume in concrete is the 0.7-2.6wt% of gel material content in concrete, and accurately volume, based on guaranteeing concrete flowing property, function of slump protection and the clear water effect that guarantees concrete surface, is determined according to test.
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.
In embodiment reagent used be commercially available, wherein:
Water reducing type poly carboxylic acid mother liquor: manufacturer is Sichuan Jilong Chemical Construction Materials Co., Ltd, product batch number 20130815-0;
LiqSand concrete rheological agent: manufacturer is Chengdu Nan Pei Science and Technology Ltd., product batch number 20130820-1;
SY-800 concrete rheological agent: manufacturer is the Sichuan territory Chemical Co., Ltd. that thinks deeply, product batch number 2013-6-1.
Embodiment 1
Get water reducing type poly carboxylic acid mother liquor (ethers, 40% solid content) 3.3kg, dimethyl silicone oil 0.025kg, water 5.97kg mixes and stirs after 30min, add successively LiqSand concrete rheological agent 0.3kg, Sunmorl N 60S 0.25kg, white sugar 0.15kg, triterpenoid saponin 0.005kg, mix and stir 20min, obtain the special-purpose pumping agent of clear-water concrete.It is the 0.8-1.3wt% of gel material content in concrete that gained pumping agent is recommended volume.
Detected result: concrete surface is smooth smooth, except the hole that mould itself causes, surface there is no other cavities.Without honeycomb, pitted skin, rough phenomenon.Detailed results as shown in Figure 1
Embodiment 2
Get water reducing type poly carboxylic acid mother liquor (ethers, 40% solid content) 2.0kg, silicone emulsion 0.02kg, water 7.52kg mixes and stirs after 35min, adds successively SY-800 concrete rheological agent 0.15kg, Sunmorl N 60S 0.15kg, Trisodium Citrate 0.15kg,
AOS air entrapment agent 0.01kg, mixes and stirs 25min, obtains the special-purpose pumping agent of clear-water concrete.It is the 1.5-2.2wt% of gel material content in concrete that gained pumping agent is recommended volume.
Embodiment 3
Get water reducing type poly carboxylic acid mother liquor (ethers, 40% solid content) 1.5kg, silicone emulsion 0.015kg, water 8.278kg mixes and stirs after 40min, add successively LiqSand concrete rheological agent 0.1kg, Sunmorl N 60S 0.1kg, AOS air entrapment agent 0.007kg, mix and stir 15min, obtains the special-purpose pumping agent of clear-water concrete.It is the 2.2-2.6wt%. of gel material content in concrete that gained pumping agent is recommended volume.
Embodiment 4
Get water reducing type poly carboxylic acid mother liquor (ethers, 40% solid content) 3.5kg, silicone emulsion 0.05kg, water 5.64kg mixes and stirs after 38min, add successively LiqSand concrete rheological agent 0.3kg, Sodium hexametaphosphate 99 0.5kg, triterpenoid saponin 0.01kg, mix and stir 30min, obtains the special-purpose pumping agent of clear-water concrete.It is the 0.7-1.1wt% of gel material content in concrete that gained pumping agent is recommended volume.
Comparative example 1
Adopt the open formula of embodiment 1 in documents CN102101762A to prepare exposed concrete pumping agent, with concrete gelatinous material and consumption identical in the embodiment of the present invention 1, prepare clear-water concrete.Detected result finds that this concrete surface has a little aperture, and there is rough phenomenon surface element subregion.Detailed results as shown in Figure 3.
The concrete workability of applying gained concrete pump-feed agent of the present invention is good, 1 hour slump through time loss be less than 30mm; The concrete of contrast normal concrete and documents, the concrete of interpolation pumping agent of the present invention, the intensity in each solidifying phase all has lifting in various degree; Concrete after sclerosis is smooth at flat appearance, clear water successful, and the aspect performance such as impervious, endurance quality is excellent.
Claims (10)
1. concrete pump-feed agent, it is characterized in that: the component by following weight part forms: poly carboxylic acid series water reducer 15-35 part, defoamer 0.1-0.6 part, rheological agent 1-3 part, retardant 1-5 part, air entrapment agent 0.03-0.2 part, water 56.2-82.87 part, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
2. concrete pump-feed agent according to claim 1, it is characterized in that: the component by following weight part forms: poly carboxylic acid series water reducer 15-35 part, defoamer 0.15-0.5 part, rheological agent 1-3 part, retardant 1-5 part, air entrapment agent 0.05-0.1 part, water 56.4-82.78 part, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
3. concrete pump-feed agent according to claim 1, is characterized in that: the component by following weight part forms: 33 parts of poly carboxylic acid series water reducers, 0.25 part of defoamer, 3 parts of rheological agents, 4 parts of retardant, 0.05 part of air entrapment agent, 59.7 parts, water; Or the component by following weight part forms: 20 parts of poly carboxylic acid series water reducers, 0.2 part of defoamer, 1.5 parts of rheological agents, 3 parts of retardant, 0.1 part of air entrapment agent, and 75.2 parts, water, wherein, the solid content of poly carboxylic acid series water reducer is in 40%.
4. according to the concrete pump-feed agent described in any one in claim 1-3, it is characterized in that: described defoamer is dimethyl silicone oil or silicone emulsion.
5. according to the concrete pump-feed agent described in any one in claim 1-3, it is characterized in that: described rheological agent is high molecular weight polyols.
6. according to the concrete pump-feed agent described in any one in claim 1-3, it is characterized in that: described retardant is at least one in Sunmorl N 60S, Trisodium Citrate, Sodium hexametaphosphate 99, white sugar.
7. according to the concrete pump-feed agent described in any one in claim 1-3, it is characterized in that: described air entrapment agent is triterpenoid saponin or AOS air entrapment agent.
8. the method for the concrete pump-feed agent described in preparation claim 1-7 any one, is characterized in that comprising the steps: that (1) accurately takes various components by weight; (2) by polycarboxylate water-reducer, water, defoamer mix and blend 30-40min; (3) add rheological agent, retardant, air entrapment agent to stir 15-30min, obtain.
9. the application of the concrete pump-feed agent described in claim 1-7 any one in clear-water concrete.
10. the application of concrete pump-feed agent according to claim 9 in clear-water concrete, is characterized in that: the volume of described concrete pump-feed agent is the 0.7-2.6wt% of gel material content in concrete.
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| CN201310445144.3A CN103524069B (en) | 2013-09-26 | 2013-09-26 | Concrete pumping agent and preparation method and application thereof |
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| CN201310445144.3A CN103524069B (en) | 2013-09-26 | 2013-09-26 | Concrete pumping agent and preparation method and application thereof |
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| CN103524069B CN103524069B (en) | 2015-06-17 |
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Cited By (21)
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| CN103922637A (en) * | 2014-03-14 | 2014-07-16 | 石家庄市长安育才建材有限公司 | Water reducing agent for high performance C80 concrete, and preparation method and application method thereof |
| CN104926176A (en) * | 2015-06-05 | 2015-09-23 | 陕西友邦新材料科技有限公司 | Reinforcing composition for pumping aid, reinforcing pumping aid as well as preparation method and application thereof |
| CN106007467A (en) * | 2016-05-18 | 2016-10-12 | 湖州绿色新材股份有限公司 | Polycarboxylate composite enhanced water reducing agent 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 |
| CN106396472A (en) * | 2016-08-26 | 2017-02-15 | 北京建工新型建材有限责任公司 | Special high-performance additive for super high-rise pumping concrete |
| 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 |
| CN106673481A (en) * | 2016-12-06 | 2017-05-17 | 湖北工业大学 | Rheological agent for replacing water reducer in low mass-ratio in cement-based system |
| CN107285662A (en) * | 2017-07-20 | 2017-10-24 | 日照弗尔曼新材料科技有限公司 | A kind of collapse protection type concrete pump-feed agent |
| CN107698188A (en) * | 2017-11-13 | 2018-02-16 | 刘国良 | A kind of concrete enhancing pumping admixture |
| CN108726915A (en) * | 2018-07-09 | 2018-11-02 | 桂林华越环保科技有限公司 | A kind of special water-reducing agent of concrete prefabricated element |
| CN109206046A (en) * | 2018-09-20 | 2019-01-15 | 贵州凯襄新材料有限公司 | A kind of decorative concrete pumping admixture 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 |
| CN109735386A (en) * | 2019-01-30 | 2019-05-10 | 重庆富典建筑工业化制品有限公司 | A kind of lubricant for pipeline of concrete pump |
| CN110218018A (en) * | 2019-06-14 | 2019-09-10 | 杭州中齐新材料科技有限公司 | A kind of viscosity reduction type concrete admixture |
| CN110526613A (en) * | 2019-09-18 | 2019-12-03 | 中国水利水电第七工程局有限公司 | A kind of aluminum dipping form specialized superfine sand pump send concrete polycarboxylate water-reducer |
| 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 |
| CN111978004A (en) * | 2020-07-09 | 2020-11-24 | 浙江五龙新材股份有限公司 | Polycarboxylic acid type efficient pumping agent and application thereof |
| CN112159151A (en) * | 2020-10-16 | 2021-01-01 | 吉安市金羧科技有限公司 | Pumping agent and preparation method thereof |
| CN112456857A (en) * | 2020-11-27 | 2021-03-09 | 姚小永 | Environment-friendly concrete pumping agent and preparation method thereof |
| CN114031324A (en) * | 2021-11-30 | 2022-02-11 | 贵州兴达兴建材股份有限公司 | Special pumping agent for pumping recycled aggregate concrete |
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| CN102060463A (en) * | 2010-12-03 | 2011-05-18 | 山东宏艺科技股份有限公司 | Low-cost concrete antifreezing pumping aid and preparation method thereof |
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| CN103922637B (en) * | 2014-03-14 | 2016-03-30 | 石家庄市长安育才建材有限公司 | High-performance C80 the reinforcement of concrete water reducer and preparation method thereof and using method |
| CN103922637A (en) * | 2014-03-14 | 2014-07-16 | 石家庄市长安育才建材有限公司 | Water reducing agent for high performance C80 concrete, and preparation method and application method thereof |
| CN104926176B (en) * | 2015-06-05 | 2017-08-08 | 陕西友邦新材料科技有限公司 | Enhancing composition, enhancing pumping admixture for pumping admixture and its preparation method and application |
| CN104926176A (en) * | 2015-06-05 | 2015-09-23 | 陕西友邦新材料科技有限公司 | Reinforcing composition for pumping aid, reinforcing pumping aid as well as preparation method and application thereof |
| CN106007467A (en) * | 2016-05-18 | 2016-10-12 | 湖州绿色新材股份有限公司 | Polycarboxylate composite enhanced water reducing agent and preparation method thereof |
| CN106007467B (en) * | 2016-05-18 | 2017-12-22 | 湖州绿色新材股份有限公司 | A kind of polycarboxylic acids composite strengthening water reducer and preparation method thereof |
| CN106396472B (en) * | 2016-08-26 | 2019-02-15 | 北京建工新型建材有限责任公司 | A kind of super high-rise pumping concrete dedicated high performance additive |
| CN106396472A (en) * | 2016-08-26 | 2017-02-15 | 北京建工新型建材有限责任公司 | Special high-performance additive for super high-rise pumping concrete |
| 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 |
| 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 |
| CN106673481A (en) * | 2016-12-06 | 2017-05-17 | 湖北工业大学 | Rheological agent for replacing water reducer in low mass-ratio in cement-based system |
| CN106673481B (en) * | 2016-12-06 | 2019-05-03 | 湖北工业大学 | A kind of rheological agent for cement-based systems low-mass ratio replacement water-reducing agent |
| CN107285662A (en) * | 2017-07-20 | 2017-10-24 | 日照弗尔曼新材料科技有限公司 | A kind of collapse protection type concrete pump-feed agent |
| CN107698188A (en) * | 2017-11-13 | 2018-02-16 | 刘国良 | A kind of concrete enhancing pumping admixture |
| CN107698188B (en) * | 2017-11-13 | 2020-10-27 | 佛山市南海区沥建混凝土有限公司 | Reinforced pumping agent for concrete |
| CN108726915A (en) * | 2018-07-09 | 2018-11-02 | 桂林华越环保科技有限公司 | A kind of special water-reducing agent of concrete prefabricated element |
| 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 |
| CN109206046A (en) * | 2018-09-20 | 2019-01-15 | 贵州凯襄新材料有限公司 | A kind of decorative concrete pumping admixture and preparation method thereof |
| CN109735386A (en) * | 2019-01-30 | 2019-05-10 | 重庆富典建筑工业化制品有限公司 | A kind of lubricant for pipeline of concrete pump |
| CN110218018A (en) * | 2019-06-14 | 2019-09-10 | 杭州中齐新材料科技有限公司 | A kind of viscosity reduction type concrete admixture |
| CN110526613A (en) * | 2019-09-18 | 2019-12-03 | 中国水利水电第七工程局有限公司 | A kind of aluminum dipping form specialized superfine sand pump send concrete polycarboxylate water-reducer |
| CN110526613B (en) * | 2019-09-18 | 2021-12-03 | 中国水利水电第七工程局有限公司 | Special superfine sand pump concrete polycarboxylate superplasticizer for aluminum mold |
| 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 |
| CN111978004A (en) * | 2020-07-09 | 2020-11-24 | 浙江五龙新材股份有限公司 | Polycarboxylic acid type efficient pumping agent and application 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 |
| CN112159151A (en) * | 2020-10-16 | 2021-01-01 | 吉安市金羧科技有限公司 | Pumping agent and preparation method thereof |
| CN112456857A (en) * | 2020-11-27 | 2021-03-09 | 姚小永 | Environment-friendly concrete pumping agent and preparation method thereof |
| CN114031324A (en) * | 2021-11-30 | 2022-02-11 | 贵州兴达兴建材股份有限公司 | Special pumping agent for pumping recycled aggregate concrete |
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