CN105060761A - Water reducing agent for concrete - Google Patents
Water reducing agent for concrete Download PDFInfo
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- CN105060761A CN105060761A CN201510441998.3A CN201510441998A CN105060761A CN 105060761 A CN105060761 A CN 105060761A CN 201510441998 A CN201510441998 A CN 201510441998A CN 105060761 A CN105060761 A CN 105060761A
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- parts
- water
- concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
The invention belongs to the technical field of concrete auxiliaries, and particularly relates to a water reducing agent for concrete. The water reducing agent is characterized by being prepared from the following raw materials: polyethylene glycol, aminobenzene sulfonic acid, acrylic acid, boric acid, hydroquinone, cyclohexane, poly(ethylene glycol) methyl ether methacrylate, ammonium persulfate, mercaptoethanol, formaldehyde, sodium silicate, calcium silicate, sodium methallyl sulfonate, water-borne antirusting agent with commercial model of JX-502, a concrete defoaming agent with a commercial model of XWC-2530 or BYC-0852, water and sodium hydroxide. The invention further discloses a manufacture method of the water reducing agent. The water reducing agent has the beneficial technical effects of high slump loss resistance, bleeding resistance, small concrete pump conveying resistance, no bleeding line on concrete surface, no bubble, small color difference, good appearance quality, strong freezing resistance, convenience in construction and simple and easily mastered manufacture method.
Description
Technical field
The invention belongs to concrete auxiliary material technical field, especially a kind of the reinforcement of concrete water reducer.
Background technology
Concrete is as one of the main raw of construction industry, and apply on a large scale, in prior art, the effect of water reducer is only that moisture content is reduced fast, and concrete is condensed as early as possible.But the reinforcement of concrete water reducer cost of the prior art is high, complex manufacturing technology, method are not easily grasped, obtained product qualified rate is low, resistance to ability of collapsing, anti-bleeding capacity are low, transporting resistance large, have bubble, visual appearance is poor, freezing tolerance is poor.For this reason, expect in industry to occur desirable the reinforcement of concrete water reducer.
Summary of the invention
In order to solve the problem, the object of the invention is to disclose a kind of the reinforcement of concrete water reducer, it realizes by the following technical solutions.
A kind of the reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 20 ~ 35 parts;
Aniline sulfonic acid: 3 ~ 5 parts;
Vinylformic acid: 20 ~ 40 parts;
Boric acid: 3 ~ 5 parts;
Resorcinol: 0.5 ~ 1.5 part;
Cyclohexane: 80 ~ 120 parts;
Polyethylene glycol methacrylate-styrene polymer: 30 ~ 40 parts;
Ammonium persulphate: 1 ~ 2 part;
Mercaptoethanol: 1 ~ 2 part;
Formaldehyde: 15 ~ 25 parts;
Water glass: 30 ~ 50 parts;
Calucium Silicate powder: 10 ~ 16 parts;
Methylpropene sodium sulfonate: 6 ~ 10 parts;
Commercially available model is the water-based antirust agent of JX-502: 5 ~ 10 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 5 ~ 10 parts;
Water: 200 ~ 300 parts;
Sodium hydroxide: 10 ~ 30 parts.
A kind of the reinforcement of concrete water reducer described above, is characterized in that it is made by the following method:
The first step: take each raw material by weight;
Second step: the water of the vinylformic acid of taking polyethylene glycol, aniline sulfonic acid, half weight, Resorcinol, cyclohexane, formaldehyde, water glass, half weight is put into reaction vessel together and stirred, and be heated to 80 ~ 95 DEG C, react 5 ~ 7 hours, filter and vacuumize formation first mixture;
3rd step: the water of the first mixture obtained by second step, the vinylformic acid of second half weight, second half weight, boric acid, polyethylene glycol methacrylate-styrene polymer, water glass, Calucium Silicate powder, methylpropene sodium sulfonate carry out stirring reaction 4 ~ 6 hours in the reactor of 80 ~ 90 DEG C, and started to add ammonium persulphate, mercaptoethanol gradually at 2nd hour, need to add in 1 hour; 40 ~ 50 DEG C are cooled to after having reacted; Obtain the second mixture;
4th step: add the water-based antirust agent that commercially available model is JX-502 in the second mixture that the 3rd step obtains, commercially available model is XWC-2530 or model is the concrete defoamer of BYC-0852 and stirs, then sodium hydroxide is added gradually, until PH is between 7.0 ~ 10.0; Complete the making of the reinforcement of concrete water reducer.
The present invention has that high-thin arch dam, anti-bleeding, concrete pump transporting resistance are less, concrete surface without bleeding line, bubble-free, aberration is little, and visual appearance is good, and freezing tolerance is strong, and constructability, making method are simple and easy to the Advantageous Effects such as grasp.
Embodiment
embodiment 1
A kind of the reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 20 ~ 35 parts;
Aniline sulfonic acid: 3 ~ 5 parts;
Vinylformic acid: 20 ~ 40 parts;
Boric acid: 3 ~ 5 parts;
Resorcinol: 0.5 ~ 1.5 part;
Cyclohexane: 80 ~ 120 parts;
Polyethylene glycol methacrylate-styrene polymer: 30 ~ 40 parts;
Ammonium persulphate: 1 ~ 2 part;
Mercaptoethanol: 1 ~ 2 part;
Formaldehyde: 15 ~ 25 parts;
Water glass: 30 ~ 50 parts;
Calucium Silicate powder: 10 ~ 16 parts;
Methylpropene sodium sulfonate: 6 ~ 10 parts;
Commercially available model is the water-based antirust agent of JX-502: 5 ~ 10 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 5 ~ 10 parts;
Water: 200 ~ 300 parts;
Sodium hydroxide: 10 ~ 30 parts.
embodiment 2
A kind of the reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 20 parts;
Aniline sulfonic acid: 3 parts;
Vinylformic acid: 20 parts;
Boric acid: 3 parts;
Resorcinol: 0.5 part;
Cyclohexane: 80 parts;
Polyethylene glycol methacrylate-styrene polymer: 30 parts;
Ammonium persulphate: 1 part;
Mercaptoethanol: 1 part;
Formaldehyde: 15 parts;
Water glass: 30 parts;
Calucium Silicate powder: 10 parts;
Methylpropene sodium sulfonate: 6 parts;
Commercially available model is the water-based antirust agent of JX-502: 5 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 5 parts;
Water: 200 parts;
Sodium hydroxide: 10 parts.
embodiment 3
A kind of the reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 35 parts;
Aniline sulfonic acid: 5 parts;
Vinylformic acid: 40 parts;
Boric acid: 5 parts;
Resorcinol: 1.5 parts;
Cyclohexane: 120 parts;
Polyethylene glycol methacrylate-styrene polymer: 40 parts;
Ammonium persulphate: 2 parts;
Mercaptoethanol: 2 parts;
Formaldehyde: 25 parts;
Water glass: 50 parts;
Calucium Silicate powder: 16 parts;
Methylpropene sodium sulfonate: 10 parts;
Commercially available model is the water-based antirust agent of JX-502: 10 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 10 parts;
Water: 300 parts;
Sodium hydroxide: 30 parts.
embodiment 4
A kind of the reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 27.5 parts;
Aniline sulfonic acid: 4 parts;
Vinylformic acid: 30 parts;
Boric acid: 4 parts;
Resorcinol: 1 part;
Cyclohexane: 100 parts;
Polyethylene glycol methacrylate-styrene polymer: 35 parts;
Ammonium persulphate: 1.5 parts;
Mercaptoethanol: 1.5 parts;
Formaldehyde: 20 parts;
Water glass: 40 parts;
Calucium Silicate powder: 13 parts;
Methylpropene sodium sulfonate: 8 parts;
Commercially available model is the water-based antirust agent of JX-502: 7.5 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 7.5 parts;
Water: 250 parts;
Sodium hydroxide: 20 parts.
embodiment 5
A kind of the reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 25 parts;
Aniline sulfonic acid: 5 parts;
Vinylformic acid: 35 parts;
Boric acid: 4 parts;
Resorcinol: 1.2 parts;
Cyclohexane: 90 parts;
Polyethylene glycol methacrylate-styrene polymer: 33 parts;
Ammonium persulphate: 1.8 parts;
Mercaptoethanol: 1.2 parts;
Formaldehyde: 22 parts;
Water glass: 42 parts;
Calucium Silicate powder: 11 parts;
Methylpropene sodium sulfonate: 9 parts;
Commercially available model is the water-based antirust agent of JX-502: 8 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 6 parts;
Water: 280 parts;
Sodium hydroxide: 26 parts.
A kind of the reinforcement of concrete water reducer described in above-mentioned arbitrary embodiment, is characterized in that it is made by the following method:
The first step: take each raw material by weight;
Second step: the water of the vinylformic acid of taking polyethylene glycol, aniline sulfonic acid, half weight, Resorcinol, cyclohexane, formaldehyde, water glass, half weight is put into reaction vessel together and stirred, and be heated to 80 ~ 95 DEG C, react 5 ~ 7 hours, filter and vacuumize formation first mixture;
3rd step: the water of the first mixture obtained by second step, the vinylformic acid of second half weight, second half weight, boric acid, polyethylene glycol methacrylate-styrene polymer, water glass, Calucium Silicate powder, methylpropene sodium sulfonate carry out stirring reaction 4 ~ 6 hours in the reactor of 80 ~ 90 DEG C, and started to add ammonium persulphate, mercaptoethanol gradually at 2nd hour, need to add in 1 hour; 40 ~ 50 DEG C are cooled to after having reacted; Obtain the second mixture;
4th step: add the water-based antirust agent that commercially available model is JX-502 in the second mixture that the 3rd step obtains, commercially available model is XWC-2530 or model is the concrete defoamer of BYC-0852 and stirs, then sodium hydroxide is added gradually, until PH is between 7.0 ~ 10.0; Complete the making of the reinforcement of concrete water reducer.
The invention process example 1 to embodiment 5 has carried out following test, obtains the test data of following table.
As can be seen from the above table, water-reducing rate >=15%, bleeding rate ratio≤85%, air content≤2.5%, 90 days compressive strength rate >=115% of the reinforcement of concrete water reducer of the present invention.
When the present invention uses in concrete, add 1.5% ~ 4.5% of concrete gross weight; When infiltration 1.5%, the concrete slump can reach 20cm; When infiltration capacity is 4.5%, the concrete slump can reach 50cm, and the concrete ultimate compression strength of 3 days improves ultimate compression strength raising in 60% ~ 150%, 30 days ultimate compression strength raising 45% ~ 65% in 45% ~ 85%, 90 days.
High-thin arch dam of the present invention, anti-bleeding, concrete pump transporting resistance are less, concrete surface without bleeding line, bubble-free, aberration is little, and visual appearance is good, and freezing tolerance is strong, constructability.
Making method of the present invention simply, is easily grasped.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.
Claims (6)
1. a reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 20 ~ 35 parts;
Aniline sulfonic acid: 3 ~ 5 parts;
Vinylformic acid: 20 ~ 40 parts;
Boric acid: 3 ~ 5 parts;
Resorcinol: 0.5 ~ 1.5 part;
Cyclohexane: 80 ~ 120 parts;
Polyethylene glycol methacrylate-styrene polymer: 30 ~ 40 parts;
Ammonium persulphate: 1 ~ 2 part;
Mercaptoethanol: 1 ~ 2 part;
Formaldehyde: 15 ~ 25 parts;
Water glass: 30 ~ 50 parts;
Calucium Silicate powder: 10 ~ 16 parts;
Methylpropene sodium sulfonate: 6 ~ 10 parts;
Commercially available model is the water-based antirust agent of JX-502: 5 ~ 10 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 5 ~ 10 parts;
Water: 200 ~ 300 parts;
Sodium hydroxide: 10 ~ 30 parts.
2. a reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 20 parts;
Aniline sulfonic acid: 3 parts;
Vinylformic acid: 20 parts;
Boric acid: 3 parts;
Resorcinol: 0.5 part;
Cyclohexane: 80 parts;
Polyethylene glycol methacrylate-styrene polymer: 30 parts;
Ammonium persulphate: 1 part;
Mercaptoethanol: 1 part;
Formaldehyde: 15 parts;
Water glass: 30 parts;
Calucium Silicate powder: 10 parts;
Methylpropene sodium sulfonate: 6 parts;
Commercially available model is the water-based antirust agent of JX-502: 5 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 5 parts;
Water: 200 parts;
Sodium hydroxide: 10 parts.
3. a reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 35 parts;
Aniline sulfonic acid: 5 parts;
Vinylformic acid: 40 parts;
Boric acid: 5 parts;
Resorcinol: 1.5 parts;
Cyclohexane: 120 parts;
Polyethylene glycol methacrylate-styrene polymer: 40 parts;
Ammonium persulphate: 2 parts;
Mercaptoethanol: 2 parts;
Formaldehyde: 25 parts;
Water glass: 50 parts;
Calucium Silicate powder: 16 parts;
Methylpropene sodium sulfonate: 10 parts;
Commercially available model is the water-based antirust agent of JX-502: 10 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 10 parts;
Water: 300 parts;
Sodium hydroxide: 30 parts.
4. a reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 27.5 parts;
Aniline sulfonic acid: 4 parts;
Vinylformic acid: 30 parts;
Boric acid: 4 parts;
Resorcinol: 1 part;
Cyclohexane: 100 parts;
Polyethylene glycol methacrylate-styrene polymer: 35 parts;
Ammonium persulphate: 1.5 parts;
Mercaptoethanol: 1.5 parts;
Formaldehyde: 20 parts;
Water glass: 40 parts;
Calucium Silicate powder: 13 parts;
Methylpropene sodium sulfonate: 8 parts;
Commercially available model is the water-based antirust agent of JX-502: 7.5 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 7.5 parts;
Water: 250 parts;
Sodium hydroxide: 20 parts.
5. a reinforcement of concrete water reducer, is characterized in that what it was made up of the raw material of following weight part:
Polyoxyethylene glycol: 25 parts;
Aniline sulfonic acid: 5 parts;
Vinylformic acid: 35 parts;
Boric acid: 4 parts;
Resorcinol: 1.2 parts;
Cyclohexane: 90 parts;
Polyethylene glycol methacrylate-styrene polymer: 33 parts;
Ammonium persulphate: 1.8 parts;
Mercaptoethanol: 1.2 parts;
Formaldehyde: 22 parts;
Water glass: 42 parts;
Calucium Silicate powder: 11 parts;
Methylpropene sodium sulfonate: 9 parts;
Commercially available model is the water-based antirust agent of JX-502: 8 parts;
The concrete defoamer of commercially available model to be XWC-2530 or model be BYC-0852: 6 parts;
Water: 280 parts;
Sodium hydroxide: 26 parts.
6. a kind of the reinforcement of concrete water reducer according to claim 1 to claim 5 any one, is characterized in that it is made by the following method:
The first step: take each raw material by weight;
Second step: the water of the vinylformic acid of taking polyethylene glycol, aniline sulfonic acid, half weight, Resorcinol, cyclohexane, formaldehyde, water glass, half weight is put into reaction vessel together and stirred, and be heated to 80 ~ 95 DEG C, react 5 ~ 7 hours, filter and vacuumize formation first mixture;
3rd step: the water of the first mixture obtained by second step, the vinylformic acid of second half weight, second half weight, boric acid, polyethylene glycol methacrylate-styrene polymer, water glass, Calucium Silicate powder, methylpropene sodium sulfonate carry out stirring reaction 4 ~ 6 hours in the reactor of 80 ~ 90 DEG C, and started to add ammonium persulphate, mercaptoethanol gradually at 2nd hour, need to add in 1 hour; 40 ~ 50 DEG C are cooled to after having reacted; Obtain the second mixture;
4th step: add the water-based antirust agent that commercially available model is JX-502 in the second mixture that the 3rd step obtains, commercially available model is XWC-2530 or model is the concrete defoamer of BYC-0852 and stirs, then sodium hydroxide is added gradually, until PH is between 7.0 ~ 10.0; Complete the making of the reinforcement of concrete water reducer.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510441998.3A CN105060761B (en) | 2015-07-26 | 2015-07-26 | Water reducing agent for concrete |
| CN201610800923.4A CN106396464B (en) | 2015-07-26 | 2015-07-26 | A kind of concrete water-reducing agent |
| CN201610800922.XA CN106396463B (en) | 2015-07-26 | 2015-07-26 | A kind of water-reducing agent for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510441998.3A CN105060761B (en) | 2015-07-26 | 2015-07-26 | Water reducing agent for concrete |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610800923.4A Division CN106396464B (en) | 2015-07-26 | 2015-07-26 | A kind of concrete water-reducing agent |
| CN201610800922.XA Division CN106396463B (en) | 2015-07-26 | 2015-07-26 | A kind of water-reducing agent for concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105060761A true CN105060761A (en) | 2015-11-18 |
| CN105060761B CN105060761B (en) | 2017-03-22 |
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| CN201610800923.4A Active CN106396464B (en) | 2015-07-26 | 2015-07-26 | A kind of concrete water-reducing agent |
| CN201610800922.XA Active CN106396463B (en) | 2015-07-26 | 2015-07-26 | A kind of water-reducing agent for concrete |
| CN201510441998.3A Active CN105060761B (en) | 2015-07-26 | 2015-07-26 | Water reducing agent for concrete |
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| CN201610800923.4A Active CN106396464B (en) | 2015-07-26 | 2015-07-26 | A kind of concrete water-reducing agent |
| CN201610800922.XA Active CN106396463B (en) | 2015-07-26 | 2015-07-26 | A kind of water-reducing agent for concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374793A (en) * | 2020-11-15 | 2021-02-19 | 衡阳市银利实业有限公司 | Auxiliary agent for reducing concrete dilution rate |
| CN117069415A (en) * | 2023-10-16 | 2023-11-17 | 四川蜀道建筑科技有限公司 | Anti-urinary polycarboxylate superplasticizer, concrete and preparation method thereof |
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|---|---|---|---|---|
| CN1636921A (en) * | 2004-12-09 | 2005-07-13 | 武汉科技大学 | Concrete water reducing agent of polyacrylic acid and its synthesis process |
| CN101333091A (en) * | 2007-06-25 | 2008-12-31 | 深圳市海川实业股份有限公司 | Method for preparing high-efficiency water-reducing agent of poly-carboxylic acid |
| JP2009155151A (en) * | 2007-12-26 | 2009-07-16 | Taiheiyo Materials Corp | Water reducing agent for cement composition and cement composition |
| CN101575403A (en) * | 2008-07-31 | 2009-11-11 | 北京市建筑工程研究院 | Polymerization method for preparing polycarboxylic high-efficiency water-reducing agent |
| CN103145928A (en) * | 2012-08-29 | 2013-06-12 | 成都理工大学 | Low-cost polyester polycarboxylic acid water reducer |
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| CN101024566A (en) * | 2007-01-29 | 2007-08-29 | 郭震 | Polycarboxylic acid series concrete composite water-proof agent and its preparing method |
| KR101591156B1 (en) * | 2011-05-23 | 2016-02-02 | 와커 헤미 아게 | Organosiliconate powders, method for the production thereof and use thereof for hydrophobizing mineral building materials |
| CN103012693A (en) * | 2011-09-28 | 2013-04-03 | 陈银凤 | Method for preparing polycarboxylic acid high-efficiency slushing agent |
| CN103772624B (en) * | 2014-01-10 | 2016-04-27 | 陕西科技大学 | A kind of early-strength type polycarboxylate concrete dehydragent and preparation method thereof |
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2015
- 2015-07-26 CN CN201610800923.4A patent/CN106396464B/en active Active
- 2015-07-26 CN CN201610800922.XA patent/CN106396463B/en active Active
- 2015-07-26 CN CN201510441998.3A patent/CN105060761B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1636921A (en) * | 2004-12-09 | 2005-07-13 | 武汉科技大学 | Concrete water reducing agent of polyacrylic acid and its synthesis process |
| CN101333091A (en) * | 2007-06-25 | 2008-12-31 | 深圳市海川实业股份有限公司 | Method for preparing high-efficiency water-reducing agent of poly-carboxylic acid |
| JP2009155151A (en) * | 2007-12-26 | 2009-07-16 | Taiheiyo Materials Corp | Water reducing agent for cement composition and cement composition |
| CN101575403A (en) * | 2008-07-31 | 2009-11-11 | 北京市建筑工程研究院 | Polymerization method for preparing polycarboxylic high-efficiency water-reducing agent |
| CN103145928A (en) * | 2012-08-29 | 2013-06-12 | 成都理工大学 | Low-cost polyester polycarboxylic acid water reducer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374793A (en) * | 2020-11-15 | 2021-02-19 | 衡阳市银利实业有限公司 | Auxiliary agent for reducing concrete dilution rate |
| CN117069415A (en) * | 2023-10-16 | 2023-11-17 | 四川蜀道建筑科技有限公司 | Anti-urinary polycarboxylate superplasticizer, concrete and preparation method thereof |
| CN117069415B (en) * | 2023-10-16 | 2024-01-26 | 四川蜀道建筑科技有限公司 | Anti-urinary polycarboxylate superplasticizer, concrete and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106396464B (en) | 2018-05-15 |
| CN105060761B (en) | 2017-03-22 |
| CN106396464A (en) | 2017-02-15 |
| CN106396463A (en) | 2017-02-15 |
| CN106396463B (en) | 2018-10-12 |
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