CN104108900A - Air entraining and water reducing agent - Google Patents
Air entraining and water reducing agent Download PDFInfo
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- CN104108900A CN104108900A CN201410293748.5A CN201410293748A CN104108900A CN 104108900 A CN104108900 A CN 104108900A CN 201410293748 A CN201410293748 A CN 201410293748A CN 104108900 A CN104108900 A CN 104108900A
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- sodium
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- concrete
- water reducing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 24
- -1 benzotriazole fatty acid amine salt Chemical class 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 8
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 7
- 239000000194 fatty acid Substances 0.000 claims abstract description 7
- 229930195729 fatty acid Natural products 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000007859 condensation product Substances 0.000 claims abstract description 5
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims abstract description 5
- HVBSAKJJOYLTQU-UHFFFAOYSA-M 4-aminobenzenesulfonate Chemical compound NC1=CC=C(S([O-])(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-M 0.000 claims abstract description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 4
- 238000009833 condensation Methods 0.000 claims abstract description 4
- 230000005494 condensation Effects 0.000 claims abstract description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 4
- 239000004816 latex Substances 0.000 claims abstract description 4
- 229920000126 latex Polymers 0.000 claims abstract description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 4
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 4
- ITCAUAYQCALGGV-XTICBAGASA-M sodium;(1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical compound [Na+].C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C([O-])=O ITCAUAYQCALGGV-XTICBAGASA-M 0.000 claims abstract description 4
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 6
- 244000060011 Cocos nucifera Species 0.000 claims description 6
- 229940126062 Compound A Drugs 0.000 claims description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 6
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical class [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 229920002367 Polyisobutene Polymers 0.000 claims description 6
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 6
- 229940036811 bone meal Drugs 0.000 claims description 6
- 239000002374 bone meal Substances 0.000 claims description 6
- 239000000378 calcium silicate Substances 0.000 claims description 6
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 6
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 6
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 6
- HCJLVWUMMKIQIM-UHFFFAOYSA-M sodium;2,3,4,5,6-pentachlorophenolate Chemical group [Na+].[O-]C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl HCJLVWUMMKIQIM-UHFFFAOYSA-M 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- IZUPBVBPLAPZRR-UHFFFAOYSA-N pentachloro-phenol Natural products OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl IZUPBVBPLAPZRR-UHFFFAOYSA-N 0.000 claims description 2
- 238000005204 segregation Methods 0.000 abstract description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000012964 benzotriazole Substances 0.000 abstract 1
- 229910052860 datolite Inorganic materials 0.000 abstract 1
- 229940008099 dimethicone Drugs 0.000 abstract 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 abstract 1
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 abstract 1
- 229940079779 disodium cocoyl glutamate Drugs 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 150000004702 methyl esters Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- KSAVQLQVUXSOCR-UHFFFAOYSA-M sodium lauroyl sarcosinate Chemical compound [Na+].CCCCCCCCCCCC(=O)N(C)CC([O-])=O KSAVQLQVUXSOCR-UHFFFAOYSA-M 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 230000003467 diminishing effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an air entraining and water reducing agent, which comprises the following raw materials by weight: 33-46 parts of sulfanilate formaldehyde condensation polymer, 22-34 parts of melamine sulfonate formaldehyde condensation product, 14-28 parts of fatty methyl ester sulfonate, 6-12 parts of sodium nitrite, 12-18 parts of datolite powder, 3-5 parts of behenoxy dimethicone, 4-7 parts of disodium cocoyl glutamate, 3-6 parts of sodium lauroyl sarcosine, 6-9 parts of alkylphenol and oxirane condensation product, 4-7 parts of sodium abietate, 5-10 parts of pure acrylic latex powder, 8-14 parts of potassium dichromate, 3-6 parts of N, N'-methylene bisacrylamide, 5-10 parts of benzotriazole fatty acid amine salt and 4-8 parts of auxiliary agent. The air entraining and water reducing agent has good air entraining performance, water reducing performance, and enhancement effect, can obviously reduce concrete surface tension, improves concrete workability, increases the concrete fluidity, plasticity and breaking strength, reduces water segregation and separation, and increases concrete impermeability, freeze-thaw resistance and endurance performance.
Description
Technical field
The present invention relates to a kind of gas tracting subtractive agent, belong to concrete admixture field.
Background technology
Concrete admixture, is called for short admixture, refers to before mixing concrete mixing or in mix process, mixes to improve the material of concrete performance.Because admixture can improve concrete performance effectively, and have good economic benefit, in many countries, be all widely used, the application in engineering more and more comes into one's own, and becomes material indispensable in concrete.Wherein gas tracting subtractive agent is a kind of in concrete admixture, it has bleed and diminishing function concurrently, by air entrapment agent and water reducer, be composited according to a certain percentage, add in concrete and can produce uniform and stable and survivable small bubbles, can, to mixed material lubricate and the viscosity and the surrender ability that increase slurry, concrete workability, plasticity and cohesion be significantly improved.The gas tracting subtractive agent over-all properties used is in the market poor, cannot be applied to freeze-thaw resistance and the high concrete of life requirement.
Summary of the invention
To the object of the invention is the defect existing in prior art in order solving, a kind of gas tracting subtractive agent to be provided, greatly improve concrete frost resistance and weather resistance.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of gas tracting subtractive agent, raw material by following weight part mixes: sulfanilate formaldehyde condensation products 33-46, condensate of melamine sulfonate and formaldehyde 22-34, fatty acid methyl ester ethoxylate sulfonate 14-28, Sodium Nitrite 6-12, howlite powder 12-18, mountain Yu oxygen base polydimethylsiloxane 3-5, cocounut oil acyl disodium glutamate 4-7, sodium lauroyl sareosine 3-6, condensation compound of alkyl phenol and epoxy ethane 6-9, sodium abietate 4-7, pure the third latex powder 5-10, potassium bichromate 8-14, N, N'-methylene-bisacrylamide 3-6, 124 Triazole lipid acid amine salt 5-10, auxiliary agent 4-8,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: activated magnesia 5-10, tuff micro mist 10-15, desulphurize fly ash 9-16, melamine urea-formaldehyde resin 12-18, microporous calcium silicate 6-12, polyisobutene 5-10, tertiary ethylene carbonate 4-6,2-methyl-2,4-pentanediol polyoxyethylene polyoxypropylene ether 2-4, sodium pentachlorophenol 1.5-2.5, Coconut Fatty Acid Monoethanolamide 3-5, bone meal 4-8, Poly Dimethyl Diallyl Ammonium Chloride 2-4, sulfonated phenylethylene-maleic anhydride copolymer 5-10; B, by sulfonated phenylethylene-maleic anhydride copolymer, Poly Dimethyl Diallyl Ammonium Chloride, 2-methyl-2,4-pentanediol polyoxyethylene polyoxypropylene ether mixes, then add successively activated magnesia, tuff micro mist, desulphurize fly ash, under 45-55 ℃ of bath temperature, stir 10-15min, be cooled to normal temperature, dry, obtain compound A; C, bone meal, microporous calcium silicate are mixed, then add successively melamine urea-formaldehyde resin, Coconut Fatty Acid Monoethanolamide, polyisobutene, tertiary ethylene carbonate, sodium pentachlorophenol, high speed dispersion 5-10min, dries, and obtains compound B; D, compound A and compound B are mixed, obtain described auxiliary agent.
Beneficial effect of the present invention:
Gas tracting subtractive agent of the present invention has good bleed, diminishing, enhancement, reduce significantly concrete surface tension force, improve concrete workability, improve concrete mobility, plasticity-and folding strength, reduce bleeding and segregation, improve concrete permeability resistance, freeze-thaw resistance and weather resistance etc., be applicable to the concrete that the requirements such as harbour, harbour, hydro project, highway pavement, freeze-thaw-, anticorrosion, seepage control project have certain air content.
Embodiment
A kind of gas tracting subtractive agent, raw material by following weight (kg) mixes: sulfanilate formaldehyde condensation products 42, condensate of melamine sulfonate and formaldehyde 30, fatty acid methyl ester ethoxylate sulfonate 22, Sodium Nitrite 8, howlite powder 16, mountain Yu oxygen base polydimethylsiloxane 4, cocounut oil acyl disodium glutamate 6, sodium lauroyl sareosine 4, condensation compound of alkyl phenol and epoxy ethane 7, sodium abietate 5, pure the third latex powder 8, potassium bichromate 12, N, N'-methylene-bisacrylamide 4,124 Triazole lipid acid amine salt 8, auxiliary agent 6;
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight (kg): activated magnesia 7, tuff micro mist 12, desulphurize fly ash 14, melamine urea-formaldehyde resin 15, microporous calcium silicate 8, polyisobutene 7, tertiary ethylene carbonate 5,2-methyl-2,4-pentanediol polyoxyethylene polyoxypropylene ether 3, sodium pentachlorophenol 2, Coconut Fatty Acid Monoethanolamide 4, bone meal 6, Poly Dimethyl Diallyl Ammonium Chloride 3, sulfonated phenylethylene-maleic anhydride copolymer 8; B, by sulfonated phenylethylene-maleic anhydride copolymer, Poly Dimethyl Diallyl Ammonium Chloride, 2-methyl-2,4-pentanediol polyoxyethylene polyoxypropylene ether mixes, then add successively activated magnesia, tuff micro mist, desulphurize fly ash, under 50 ℃ of bath temperatures, stir 12min, be cooled to normal temperature, dry, obtain compound A; C, bone meal, microporous calcium silicate are mixed, then add successively melamine urea-formaldehyde resin, Coconut Fatty Acid Monoethanolamide, polyisobutene, tertiary ethylene carbonate, sodium pentachlorophenol, high speed dispersion 8min, dries, and obtains compound B; D, compound A and compound B are mixed, obtain described auxiliary agent.
The salient features detected result that the above-mentioned gas tracting subtractive agent making mixes in concrete is as shown in the table:
Claims (1)
1. a gas tracting subtractive agent, it is characterized in that, raw material by following weight part mixes: sulfanilate formaldehyde condensation products 33-46, condensate of melamine sulfonate and formaldehyde 22-34, fatty acid methyl ester ethoxylate sulfonate 14-28, Sodium Nitrite 6-12, howlite powder 12-18, mountain Yu oxygen base polydimethylsiloxane 3-5, cocounut oil acyl disodium glutamate 4-7, sodium lauroyl sareosine 3-6, condensation compound of alkyl phenol and epoxy ethane 6-9, sodium abietate 4-7, pure the third latex powder 5-10, potassium bichromate 8-14, N, N'-methylene-bisacrylamide 3-6, 124 Triazole lipid acid amine salt 5-10, auxiliary agent 4-8,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: activated magnesia 5-10, tuff micro mist 10-15, desulphurize fly ash 9-16, melamine urea-formaldehyde resin 12-18, microporous calcium silicate 6-12, polyisobutene 5-10, tertiary ethylene carbonate 4-6,2-methyl-2,4-pentanediol polyoxyethylene polyoxypropylene ether 2-4, sodium pentachlorophenol 1.5-2.5, Coconut Fatty Acid Monoethanolamide 3-5, bone meal 4-8, Poly Dimethyl Diallyl Ammonium Chloride 2-4, sulfonated phenylethylene-maleic anhydride copolymer 5-10; B, by sulfonated phenylethylene-maleic anhydride copolymer, Poly Dimethyl Diallyl Ammonium Chloride, 2-methyl-2,4-pentanediol polyoxyethylene polyoxypropylene ether mixes, then add successively activated magnesia, tuff micro mist, desulphurize fly ash, under 45-55 ℃ of bath temperature, stir 10-15min, be cooled to normal temperature, dry, obtain compound A; C, bone meal, microporous calcium silicate are mixed, then add successively melamine urea-formaldehyde resin, Coconut Fatty Acid Monoethanolamide, polyisobutene, tertiary ethylene carbonate, sodium pentachlorophenol, high speed dispersion 5-10min, dries, and obtains compound B; D, compound A and compound B are mixed, obtain described auxiliary agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293748.5A CN104108900B (en) | 2014-06-25 | 2014-06-25 | Gas tracting subtractive agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293748.5A CN104108900B (en) | 2014-06-25 | 2014-06-25 | Gas tracting subtractive agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104108900A true CN104108900A (en) | 2014-10-22 |
| CN104108900B CN104108900B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410293748.5A Expired - Fee Related CN104108900B (en) | 2014-06-25 | 2014-06-25 | Gas tracting subtractive agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104108900B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386940A (en) * | 2014-10-31 | 2015-03-04 | 安徽省阜南绿原化工有限公司 | High-antiseptic-effect retarding water reducing agent and preparation method thereof |
| CN106007458A (en) * | 2016-05-20 | 2016-10-12 | 江苏苏博特新材料股份有限公司 | Preparation method and application of air-entraining water reducer |
| CN106630741A (en) * | 2016-12-18 | 2017-05-10 | 钦州市科学技术开发中心 | Resin water reducer and preparation method thereof |
| CN108033708A (en) * | 2017-12-19 | 2018-05-15 | 萧县沃德化工科技有限公司 | A kind of efficient cement water reducing agent |
| CN109020435A (en) * | 2018-08-21 | 2018-12-18 | 马清浩 | A kind of high-low temperature resistant sleeve grouting material and preparation method thereof |
| CN109336491A (en) * | 2018-09-10 | 2019-02-15 | 张程玙 | Hydraulic engineering frost-resistant concrete and preparation method thereof |
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| CN1169404A (en) * | 1996-06-24 | 1998-01-07 | 张显军 | Plasticizing lead gas for building mortar and concrete, lead gas water-reducer and preparation technology thereof |
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| CN101328037A (en) * | 2008-07-31 | 2008-12-24 | 华南理工大学 | Alkali lignin concrete air-entraining water reducer and its preparation method and application |
| CN102503236A (en) * | 2011-10-17 | 2012-06-20 | 张家港市林达外加剂厂 | Composite concrete waterproofing agent |
| CN102659342A (en) * | 2012-05-14 | 2012-09-12 | 华北水利水电学院 | Retarding superplasticizer composition for roller compacted concrete |
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2014
- 2014-06-25 CN CN201410293748.5A patent/CN104108900B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1169404A (en) * | 1996-06-24 | 1998-01-07 | 张显军 | Plasticizing lead gas for building mortar and concrete, lead gas water-reducer and preparation technology thereof |
| CN1704371A (en) * | 2004-05-28 | 2005-12-07 | 班俊生 | High performance water-reducing agent of sulfanilate-sulfonated acetone-formaldehyde condensate and process for making same |
| CN101328037A (en) * | 2008-07-31 | 2008-12-24 | 华南理工大学 | Alkali lignin concrete air-entraining water reducer and its preparation method and application |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386940A (en) * | 2014-10-31 | 2015-03-04 | 安徽省阜南绿原化工有限公司 | High-antiseptic-effect retarding water reducing agent and preparation method thereof |
| CN106007458A (en) * | 2016-05-20 | 2016-10-12 | 江苏苏博特新材料股份有限公司 | Preparation method and application of air-entraining water reducer |
| CN106007458B (en) * | 2016-05-20 | 2019-01-01 | 江苏苏博特新材料股份有限公司 | A kind of preparation method and applications of gas tracting subtractive agent |
| CN106630741A (en) * | 2016-12-18 | 2017-05-10 | 钦州市科学技术开发中心 | Resin water reducer and preparation method thereof |
| CN108033708A (en) * | 2017-12-19 | 2018-05-15 | 萧县沃德化工科技有限公司 | A kind of efficient cement water reducing agent |
| CN109020435A (en) * | 2018-08-21 | 2018-12-18 | 马清浩 | A kind of high-low temperature resistant sleeve grouting material and preparation method thereof |
| CN109020435B (en) * | 2018-08-21 | 2021-04-30 | 福建兴纳科技有限公司 | High-low temperature resistant sleeve grouting material and preparation method thereof |
| CN109336491A (en) * | 2018-09-10 | 2019-02-15 | 张程玙 | Hydraulic engineering frost-resistant concrete and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104108900B (en) | 2016-03-23 |
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Effective date of registration: 20190326 Address after: 437000 Xian'an Economic Development Zone, Xianning City, Hubei Province Patentee after: Hubei Tianan New Building Materials Co., Ltd. Address before: 241100 Zhao Qiao Industrial Park, Wuhu County, Wuhu, Anhui Patentee before: WUHU SANXING CONCRETE ADMIXTURE CO., LTD. |
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Granted publication date: 20160323 Termination date: 20200625 |