CN114907045A - Liquid concrete penetration hardening agent - Google Patents
Liquid concrete penetration hardening agent Download PDFInfo
- Publication number
- CN114907045A CN114907045A CN202210554497.6A CN202210554497A CN114907045A CN 114907045 A CN114907045 A CN 114907045A CN 202210554497 A CN202210554497 A CN 202210554497A CN 114907045 A CN114907045 A CN 114907045A
- Authority
- CN
- China
- Prior art keywords
- concrete
- silicate
- liquid concrete
- water
- polyvinyl alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 230000035515 penetration Effects 0.000 title claims abstract description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 7
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000004115 Sodium Silicate Substances 0.000 claims description 6
- 239000004848 polyfunctional curative Substances 0.000 claims description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000004111 Potassium silicate Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- -1 polysiloxane Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 3
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052912 lithium silicate Inorganic materials 0.000 claims description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 239000000378 calcium silicate Substances 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
-
- 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)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
The invention provides a liquid concrete penetration hardening agent, which comprises the following raw materials in percentage by mass: 21-40% of alkali metal silicate, 0.6-0.8% of triethanolamine, 2-4% of stabilizer, 0.2-0.4% of surfactant, 7-18% of polyvinyl alcohol, 0.6-0.8% of glycerol and the balance of water. The polyvinyl alcohol is contained in the concrete, so that the silicon sol and silicate groups penetrating into the concrete can be fixed, the stability is improved, the concrete is not easy to wash away by water, and the long-term reaction is promoted; the polyvinyl alcohol is contained, so that the silicon sol and silicate which permeate into concrete can be fixed, the stability is improved, the silicon sol and the silicate are not easy to wash away by water, and the long-term reaction is promoted.
Description
Technical Field
The invention relates to the technical field of additives for building materials, in particular to a liquid concrete penetration hardening agent.
Background
The surface performance of hardened concrete plays a crucial role in the durability of concrete, external corrosive substances can be prevented from entering the concrete on the compact concrete surface to corrode, meanwhile, the volatilization of water in the concrete can be reduced, the sufficient hydration of a cementing material is ensured, and the strength and the durability of the concrete are improved. In addition, the compact concrete surface can also obviously delay the carbonization of the concrete, reduce the corrosion speed of the reinforcing steel bars in the concrete and greatly prolong the service life of the reinforced concrete.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a liquid concrete penetration hardener to solve the above problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme: the liquid concrete penetration hardening agent comprises the following raw materials in percentage by mass: 21-40% of alkali metal silicate, 0.6-0.8% of triethanolamine, 2-4% of stabilizer, 0.2-0.4% of surfactant, 7-18% of polyvinyl alcohol, 0.6-0.8% of glycerol and the balance of water.
Preferably, the raw materials comprise 30% of alkali metal silicate, 0.7% of triethanolamine, 3% of stabilizer, 0.3% of surfactant, 13% of polyvinyl alcohol, 0.7% of glycerol and the balance of water.
Preferably, the alkali metal silicate is one or more of sodium silicate, potassium silicate and lithium silicate.
Preferably, the surfactant is one of a fluorocarbon surfactant, polyether modified polysiloxane, and fatty alcohol-polyoxyethylene ether.
Preferably, the stabilizer is one of potassium hydroxide or sodium hydroxide.
Compared with the prior art, the invention has the following advantages: the polyvinyl alcohol is contained in the concrete, so that the silicon sol and silicate groups penetrating into the concrete can be fixed, the stability is improved, the concrete is not easy to wash away by water, and the long-term reaction is promoted; the polyvinyl alcohol is contained, so that the silicon sol and silicate radical which permeate into concrete can be fixed, the stability is improved, the silicon sol and the silicate radical are not easily washed away by water, and the long-term reaction is promoted; the glycerol is added, the hydrophilicity is strong, the calcium silicate or the sodium silicate can quickly react with a large amount of calcium and magnesium ions in the new concrete after being sprayed and brushed on the surface of the new concrete, the calcium silicate or the sodium silicate is a catalyst for solidification of the new concrete, the generated derivatives such as the calcium silicate block capillary pores to block water volatilization, and the added glycerol has strong hydrophilicity and also has the function of helping to lock water.
Detailed Description
In order to make the technical means, the creation features, the work flow and the using method of the present invention easily understand and understand the purpose and the efficacy, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, but not all 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.
Example 1
The liquid concrete penetration hardening agent comprises the following raw materials in percentage by mass: 21% of sodium silicate, 0.6% of triethanolamine, 2% of sodium hydroxide, 0.2% of fluorocarbon surfactant, 7% of polyvinyl alcohol, 0.6% of glycerol and the balance of water. The raw materials are poured into a reaction kettle and fully stirred for 30 minutes, and the liquid concrete penetration hardening agent is obtained. The liquid concrete penetration hardener is evenly sprayed on the surface of concrete which is cured for 2 to 3 days, the dosage is 0.2 to 0.3kg per square meter, and after curing is carried out for 10 days, the performance of the concrete is tested. And (3) detecting the wear resistance: the abrasion loss is reduced by 40 percent compared with that of concrete which is not coated with a hardening agent; compressive strength; the concrete is improved by 40 percent compared with the concrete with the same proportion; surface hardness; compared with the concrete with the same proportion, the Mohs hardness of the concrete is improved by 2 grades; impermeability; the anti-seepage pressure is improved by 2.0 times compared with that of the concrete with the same proportion; the surface resilience strength is improved by about 9 percent. The surface of the concrete after being brushed is glossy and has no ash falling phenomenon.
Example 2
The liquid concrete penetration hardening agent comprises the following raw materials in percentage by mass: 30% of potassium silicate, 0.7% of triethanolamine, 3% of potassium hydroxide, 0.3% of fluorocarbon surfactant, 13% of polyvinyl alcohol, 0.7% of glycerol and the balance of water.
Example 3
The liquid concrete penetration hardening agent comprises the following raw materials in percentage by mass: 40% of sodium silicate, 0.8% of triethanolamine, 4% of sodium hydroxide, 0.4% of polyether modified polysiloxane, 18% of polyvinyl alcohol, 0.8% of glycerol and the balance of water.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The liquid concrete penetration hardening agent is characterized by comprising the following raw materials in percentage by mass: 21-40% of alkali metal silicate, 0.6-0.8% of triethanolamine, 2-4% of stabilizer, 0.2-0.4% of surfactant, 7-18% of polyvinyl alcohol, 0.6-0.8% of glycerol and the balance of water.
2. The liquid concrete penetration hardener of claim 1, wherein: the percentage of the raw materials is 30 percent of alkali metal silicate, 0.7 percent of triethanolamine, 3 percent of stabilizer, 0.3 percent of surfactant, 13 percent of polyvinyl alcohol, 0.7 percent of glycerol and the balance of water.
3. The liquid concrete penetration hardener of claim 1, wherein: the alkali metal silicate is one or more of sodium silicate, potassium silicate and lithium silicate.
4. The liquid concrete penetration hardener of claim 1, wherein: the surfactant is one of fluorocarbon surfactant, polyether modified polysiloxane and fatty alcohol-polyoxyethylene ether.
5. The liquid concrete penetration hardener of claim 1, wherein: the stabilizer is one of potassium hydroxide or sodium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210554497.6A CN114907045A (en) | 2022-05-19 | 2022-05-19 | Liquid concrete penetration hardening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210554497.6A CN114907045A (en) | 2022-05-19 | 2022-05-19 | Liquid concrete penetration hardening agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114907045A true CN114907045A (en) | 2022-08-16 |
Family
ID=82767778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210554497.6A Pending CN114907045A (en) | 2022-05-19 | 2022-05-19 | Liquid concrete penetration hardening agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114907045A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116514432A (en) * | 2023-05-11 | 2023-08-01 | 佛山市海翔新材料科技有限公司 | Wear-resistant reinforcing agent for concrete and application method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407428A (en) * | 2008-08-12 | 2009-04-15 | 广州秀珀化工股份有限公司 | Concrete superficial hardener and construction method thereof |
| CN106083191A (en) * | 2016-06-03 | 2016-11-09 | 徐州中联混凝土有限公司 | A kind of concrete superficial hardener |
| CN106146037A (en) * | 2016-07-05 | 2016-11-23 | 中铁建设集团有限公司 | A kind of rapid-hardening curing compound |
| KR20160142955A (en) * | 2015-06-03 | 2016-12-14 | 현대엔지니어링 주식회사 | A liquid hardner of a silicate type concrete |
| CN110183139A (en) * | 2019-06-24 | 2019-08-30 | 东北大学 | A kind of concrete anti-seepage agent and preparation method |
-
2022
- 2022-05-19 CN CN202210554497.6A patent/CN114907045A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407428A (en) * | 2008-08-12 | 2009-04-15 | 广州秀珀化工股份有限公司 | Concrete superficial hardener and construction method thereof |
| KR20160142955A (en) * | 2015-06-03 | 2016-12-14 | 현대엔지니어링 주식회사 | A liquid hardner of a silicate type concrete |
| CN106083191A (en) * | 2016-06-03 | 2016-11-09 | 徐州中联混凝土有限公司 | A kind of concrete superficial hardener |
| CN106146037A (en) * | 2016-07-05 | 2016-11-23 | 中铁建设集团有限公司 | A kind of rapid-hardening curing compound |
| CN110183139A (en) * | 2019-06-24 | 2019-08-30 | 东北大学 | A kind of concrete anti-seepage agent and preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116514432A (en) * | 2023-05-11 | 2023-08-01 | 佛山市海翔新材料科技有限公司 | Wear-resistant reinforcing agent for concrete and application method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |