CN115124274A - Efficient novel thickening agent and preparation method thereof - Google Patents
Efficient novel thickening agent and preparation method thereof Download PDFInfo
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- CN115124274A CN115124274A CN202210755757.6A CN202210755757A CN115124274A CN 115124274 A CN115124274 A CN 115124274A CN 202210755757 A CN202210755757 A CN 202210755757A CN 115124274 A CN115124274 A CN 115124274A
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- thickening agent
- sodium dodecyl
- dodecyl sulfate
- cellulose ether
- agent
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- 239000002562 thickening agent Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 43
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 38
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 32
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002253 acid Substances 0.000 claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000002708 enhancing effect Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 20
- 239000003795 chemical substances by application Substances 0.000 abstract description 9
- 239000004568 cement Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 5
- 238000005056 compaction Methods 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract description 4
- 238000001694 spray drying Methods 0.000 abstract description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/44—Thickening, gelling or viscosity increasing agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a novel efficient viscous agent and a preparation method thereof, and the formula comprises the following components: cellulose ether, a thickening agent, sodium dodecyl sulfate, diethanolamine, triethanolamine and a polycarboxylic acid water reducing agent, and the method comprises the following steps of preparing raw materials; step two, adding a tackifying component; adding an air entraining component; step four, adding an enhancing component; in the first step, the viscosity of the selected cellulose ether is 15 ten thousand units, and in the third step, the stirring time before and after the sodium dodecyl sulfate is added is controlled to be 0.5 hour, so that the thickening agent provided by the invention has high thermal stability, the water agent compounded with carboxylic acid does not influence any performances such as air entraining and the like after spray drying, and no special requirement is required for storage; the invention has better compatibility with cement and has the function of slump loss resistance under the condition of proper mixing amount; the concrete anti-freezing durable compaction agent has the advantages of simple manufacturing mode and less required raw materials, and can greatly improve the anti-freezing durable compaction degree of the concrete after being used.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a novel efficient thickening agent and a preparation method thereof.
Background
At present, sprayed concrete is mostly used in mine roadways, railway tunnels and underground engineering in China to reinforce surrounding rocks, and because natural sand fillers are not available, the problems of concrete segregation, bleeding, poor workability, difficulty in pumping, poor underwater concrete fluidity and the like are caused, so that a large amount of concrete can rebound in the spraying process, the dust content in the surrounding air is increased greatly, the physical health of workers is threatened, the surrounding rock reinforcing efficiency is difficult to improve due to the rebound of the large amount of concrete, the cost loss is large due to excessive cement waste, a certain amount of thickening agent is usually added for ensuring the cohesiveness of the concrete, the existing thickening agent has poor thermal stability, and the performances of air entraining and the like of the concrete are easily influenced after spray drying; the existing thickening agent does not have a strong slump retaining function; after the existing viscous agent is added into concrete, the durability of the existing viscous agent is poor, and the service life of the concrete is not prolonged.
Disclosure of Invention
The invention aims to provide a novel efficient thickening agent and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel high-efficiency thickening agent comprises the following components in percentage by weight: cellulose ether, a thickening agent, sodium dodecyl sulfate, diethanolamine, triethanolamine and a polycarboxylic acid water reducing agent, wherein the cellulose ether, the thickening agent, the sodium dodecyl sulfate, the diethanolamine, the triethanolamine and the polycarboxylic acid water reducing agent comprise the following components in percentage by mass: 1% of cellulose ether, 4% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 89% of water.
A preparation method of a novel efficient thickening agent comprises the following steps of preparing raw materials; step two, adding a tackifying component; adding an air entraining component; step four, adding an enhancing component;
in the first step, the components in percentage by mass are as follows: selecting 1% of cellulose ether, 4% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 89% of water, and weighing according to the mass percentage sum of 1;
in the second step, 89% of water is added into a reaction kettle, then 1% of cellulose ether and 4% of thickening agent are sequentially added, and the mixture is uniformly stirred for a period of time and then is kept stand;
in the third step, the reaction kettle is started again for stirring, 1% of sodium dodecyl sulfate is added after a period of time, and then stirring is continued;
and in the fourth step, after standing for a period of time, sequentially adding 2% of diethanolamine, 2% of triethanolamine and 1% of polycarboxylic acid water reducing agent into the reaction kettle, continuously stirring for a period of time, standing, and discharging to obtain the thickening agent.
Preferably, in the first step, the cellulose ether and the thickener form a viscosity-increasing component.
Preferably, in the first step, the viscosity of the selected cellulose ether is 15 ten thousand units.
Preferably, in the first step, sodium dodecyl sulfate is used as an air entraining component.
Preferably, in the step one, the sodium dodecyl sulfate used can be replaced by sodium dodecyl sulfate, and the replacement ratio is 1: 1.
preferably, in the first step, diethanolamine and triethanolamine form the reinforcing component of the cement.
Preferably, in the second step, the time for stirring after adding the cellulose ether and the thickener is controlled to be 1 hour, and the standing time is controlled to be 1 hour.
Preferably, in the third step, the stirring time before and after adding the sodium dodecyl sulfate is controlled to be 0.5 hour.
Preferably, in the fourth step, the standing time before adding the diethanolamine, the triethanolamine and the polycarboxylic acid water reducing agent is controlled to be 0.5 hour, the stirring time is controlled to be 0.5 hour, and the standing time before discharging is controlled to be 1 hour.
Compared with the prior art, the invention has the beneficial effects that: the thickening agent provided by the invention has high thermal stability, the water agent compounded with carboxylic acid does not influence any performances such as air entraining and the like after spray drying, and the storage has no special requirement; the cement slump retaining agent has good compatibility with cement, and has a slump retaining effect under the condition of proper mixing amount; the concrete anti-freezing durable compaction agent has the advantages of simple manufacturing mode and less required raw materials, and can greatly improve the anti-freezing durable compaction degree of the concrete after being used.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a technical solution provided by the present invention:
example 1:
a novel high-efficiency thickening agent comprises the following components in percentage by weight: cellulose ether, a thickening agent, sodium dodecyl sulfate, diethanolamine, triethanolamine and a polycarboxylic acid water reducing agent, wherein the cellulose ether, the thickening agent, the sodium dodecyl sulfate, the diethanolamine, the triethanolamine and the polycarboxylic acid water reducing agent comprise the following components in percentage by mass: 1% of cellulose ether, 4% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 89% of water.
A preparation method of a novel efficient thickening agent comprises the following steps of preparing raw materials; step two, adding a tackifying component; adding an air entraining component; step four, adding the reinforcing component;
in the first step, the components in percentage by mass are as follows: the adhesive is characterized in that 1% of cellulose ether, 4% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 89% of water are selected and weighed according to the mass percentage sum of 1, wherein the cellulose ether and the thickening agent form a tackifying component, the viscosity of the selected cellulose ether is 15 ten thousand units, the sodium dodecyl sulfate is used as an air entraining component, the selected sodium dodecyl sulfate can be replaced by sodium dodecyl sulfate, and the replacement proportion is 1: 1, diethanolamine and triethanolamine form a reinforcing component of the cementing material;
in the second step, 89% of water is added into a reaction kettle, then 1% of cellulose ether and 4% of thickening agent are sequentially added, and the mixture is uniformly stirred for 1 hour and then is kept stand for 1 hour;
in the third step, the reaction kettle is started again for stirring, 1% of sodium dodecyl sulfate is added after 0.5 hour, and then the stirring is continued for 0.5 hour;
and in the fourth step, after standing for 0.5 hour, sequentially adding 2% of diethanolamine, 2% of triethanolamine and 1% of polycarboxylic acid water reducing agent into the reaction kettle, continuously stirring for 0.5 hour, standing for 1 hour, and discharging to obtain the thickening agent.
Example 2:
a novel high-efficiency thickening agent comprises the following components in percentage by weight: cellulose ether, a thickening agent, sodium dodecyl sulfate, diethanolamine, triethanolamine and a polycarboxylic acid water reducing agent, wherein the cellulose ether, the thickening agent, the sodium dodecyl sulfate, the diethanolamine, the triethanolamine and the polycarboxylic acid water reducing agent comprise the following components in percentage by mass: 1% of cellulose ether, 2% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 91% of water.
A preparation method of a novel efficient thickening agent comprises the following steps of preparing raw materials; step two, adding a tackifying component; adding an air entraining component; step four, adding an enhancing component;
in the first step, the components in percentage by mass are as follows: the adhesive is characterized in that 1% of cellulose ether, 2% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 91% of water are selected and weighed according to the mass percentage sum of 1, wherein the cellulose ether and the thickening agent form a tackifying component, the viscosity of the selected cellulose ether is 15 ten thousand units, the sodium dodecyl sulfate is used as an air entraining component, the selected sodium dodecyl sulfate can be replaced by sodium dodecyl sulfate, and the replacement proportion is 1: 1, diethanolamine and triethanolamine form a reinforcing component of the cementing material;
in the second step, 91% of water is firstly added into a reaction kettle, then 1% of cellulose ether and 2% of thickening agent are sequentially added, and the mixture is uniformly stirred for 1 hour and then is kept stand for 1 hour;
in the third step, the reaction kettle is started again for stirring, 1 percent of sodium dodecyl sulfate is added after 0.5 hour, and then the stirring is continued for 0.5 hour;
and in the fourth step, after standing for 0.5 hour, sequentially adding 2% of diethanolamine, 2% of triethanolamine and 1% of polycarboxylic acid water reducing agent into the reaction kettle, continuously stirring for 0.5 hour, standing for 1 hour, and discharging to obtain the thickening agent.
Example 3:
a high-efficiency novel viscous agent comprises the following components: cellulose ether, a thickening agent, sodium dodecyl sulfate, diethanolamine, triethanolamine and a polycarboxylic acid water reducing agent, wherein the cellulose ether, the thickening agent, the sodium dodecyl sulfate, the diethanolamine, the triethanolamine and the polycarboxylic acid water reducing agent comprise the following components in percentage by mass: 1% of cellulose ether, 5% of thickening agent, 1% of sodium dodecyl sulfate, 3% of diethanolamine, 2% of triethanolamine, 3% of polycarboxylic acid water reducing agent and 85% of water.
A preparation method of a novel efficient thickening agent comprises the following steps of preparing raw materials; step two, adding a tackifying component; adding an air entraining component; step four, adding an enhancing component;
in the first step, the components in percentage by mass are as follows: the adhesive is characterized in that 1% of cellulose ether, 5% of thickening agent, 1% of sodium dodecyl sulfate, 3% of diethanolamine, 2% of triethanolamine, 3% of polycarboxylic acid water reducing agent and 85% of water are selected and weighed according to the mass percentage sum of 1, wherein the cellulose ether and the thickening agent form a tackifying component, the viscosity of the selected cellulose ether is 15 ten thousand units, the sodium dodecyl sulfate is used as an air entraining component, the selected sodium dodecyl sulfate can be replaced by sodium dodecyl sulfate, and the replacement proportion is 1: 1, diethanolamine and triethanolamine form a reinforcing component of the cementing material;
in the second step, 85% of water is firstly added into a reaction kettle, then 1% of cellulose ether and 5% of thickening agent are sequentially added, and the mixture is uniformly stirred for 1 hour and then is kept stand for 1 hour;
in the third step, the reaction kettle is started again for stirring, 1% of sodium dodecyl sulfate is added after 0.5 hour, and then the stirring is continued for 0.5 hour;
and in the fourth step, after standing for 0.5 hour, sequentially adding 3% of diethanolamine, 2% of triethanolamine and 3% of polycarboxylic acid water reducing agent into the reaction kettle, continuously stirring for 0.5 hour, standing for 1 hour, and discharging to obtain the thickening agent.
The properties of the examples are compared in table 1:
table 1 example property comparison table
The thickening agents prepared in the above examples were used for experimental detection, and the experimental results are shown in table 2, without adding the thickening agent as a control group:
| thickening agent | Amount of the composition | Slump/spread (mm) | 28D intensity | Amount of water used |
| Without adding a thickening agent | - | 215/510 | 32MPa | 175 |
| Example 1 of the product | 0.4kg | 225/535 | 36MPa | 165 |
| Example 2 of the present product | 0.4kg | 220/520 | 34MPa | 165 |
| Example 3 of the present product | 0.4kg | 215/530 | 34.5MPa | 165 |
TABLE 2 Experimental results Table
Based on the above, the invention is a multi-ion high polymer with stable performance, which does not contain chloride salt and sulfate, has the characteristics of small mixing amount, obvious tackifying effect and the like, mainly aims at the problem that the fineness modulus of machine-made sand in the current market is generally rough, and has no adverse conditions of concrete segregation, bleeding, poor workability, inadaptability to pumping, poor underwater concrete fluidity, too viscous high-grade concrete and the like caused by natural sand filling, is suitable for thickening of sprayed concrete in mine roadways, railway tunnels and underground engineering, is also suitable for common concrete, can increase the physical properties of the concrete such as viscosity, strength, anti-mixing capability and the like, wherein the tackifying component is used for increasing the concrete binding power and mixing performance, the air entraining component is used for adjusting the anti-permeability grade of the concrete, and the reinforcing component can increase the concrete strength.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A novel high-efficiency thickening agent comprises the following components in percentage by weight: cellulose ether, a thickening agent, sodium dodecyl sulfate, diethanolamine, triethanolamine and a polycarboxylic acid water reducing agent, and is characterized in that: the weight percentage of each component is as follows: 1% of cellulose ether, 4% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 89% of water.
2. A preparation method of a novel efficient thickening agent comprises the following steps of preparing raw materials; step two, adding a tackifying component; adding an air entraining component; step four, adding an enhancing component; the method is characterized in that:
in the first step, the components in percentage by mass are as follows: selecting 1% of cellulose ether, 4% of thickening agent, 1% of sodium dodecyl sulfate, 2% of diethanolamine, 2% of triethanolamine, 1% of polycarboxylic acid water reducing agent and 89% of water, and weighing according to the mass percentage sum of 1;
in the second step, 89% of water is added into a reaction kettle, then 1% of cellulose ether and 4% of thickening agent are sequentially added, and the mixture is uniformly stirred for a period of time and then is kept stand;
in the third step, the reaction kettle is started again for stirring, 1% of sodium dodecyl sulfate is added after a period of time, and then stirring is continued;
and in the fourth step, after standing for a period of time, sequentially adding 2% of diethanolamine, 2% of triethanolamine and 1% of polycarboxylic acid water reducing agent into the reaction kettle, continuously stirring for a period of time, standing, and discharging to obtain the thickening agent.
3. The preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the first step, cellulose ether and a thickening agent form a tackifying component.
4. The preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the first step, the viscosity of the selected cellulose ether is 15 ten thousand units.
5. The preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the first step, sodium dodecyl sulfate is used as an air entraining component.
6. The method for preparing the high-efficiency novel thickening agent according to claim 2, wherein the method comprises the following steps: in the first step, the selected sodium dodecyl sulfate can be replaced by sodium dodecyl sulfate in a ratio of 1: 1.
7. the preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the first step, diethanolamine and triethanolamine form a reinforcing component of the cementing material.
8. The preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the second step, the stirring time is controlled to be 1 hour after the cellulose ether and the thickening agent are added, and the standing time is controlled to be 1 hour.
9. The preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the third step, the stirring time before and after the sodium dodecyl sulfate is added is controlled to be 0.5 hour.
10. The preparation method of the high-efficiency novel thickening agent as claimed in claim 2, wherein: in the fourth step, the standing time before adding the diethanolamine, the triethanolamine and the polycarboxylic acid water reducing agent is controlled to be 0.5 hour, the stirring time is controlled to be 0.5 hour, and the standing time before discharging is controlled to be 1 hour.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070056480A1 (en) * | 2005-09-09 | 2007-03-15 | Gray Lonnie J | Concrete mixtures having high flowability |
| CN104446115A (en) * | 2014-11-18 | 2015-03-25 | 桂林华越环保科技有限公司 | Concrete synergist |
| CN105271888A (en) * | 2015-09-25 | 2016-01-27 | 中国铁道科学研究院铁道建筑研究所 | Modification additive suitable for low-quality aggregate concrete, and preparation method thereof |
| CN106698998A (en) * | 2016-12-06 | 2017-05-24 | 湖北工业大学 | High-performance viscosity modifier used for cement-based cementing material |
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| CN114105516A (en) * | 2021-11-17 | 2022-03-01 | 贵州天威建材科技有限责任公司 | Sprayed concrete viscosity modifier and preparation method thereof |
-
2022
- 2022-06-29 CN CN202210755757.6A patent/CN115124274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070056480A1 (en) * | 2005-09-09 | 2007-03-15 | Gray Lonnie J | Concrete mixtures having high flowability |
| CN104446115A (en) * | 2014-11-18 | 2015-03-25 | 桂林华越环保科技有限公司 | Concrete synergist |
| CN105271888A (en) * | 2015-09-25 | 2016-01-27 | 中国铁道科学研究院铁道建筑研究所 | Modification additive suitable for low-quality aggregate concrete, and preparation method thereof |
| CN106698998A (en) * | 2016-12-06 | 2017-05-24 | 湖北工业大学 | High-performance viscosity modifier used for cement-based cementing material |
| CN109809739A (en) * | 2019-03-28 | 2019-05-28 | 山东众森科技股份有限公司 | A kind of function regulator and preparation method thereof for the compound fine aggregate of concrete |
| CN114105516A (en) * | 2021-11-17 | 2022-03-01 | 贵州天威建材科技有限责任公司 | Sprayed concrete viscosity modifier and preparation method thereof |
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Application publication date: 20220930 |