CN114685091A - Soil-doped self-repairing waterproof additive - Google Patents
Soil-doped self-repairing waterproof additive Download PDFInfo
- Publication number
- CN114685091A CN114685091A CN202210469969.8A CN202210469969A CN114685091A CN 114685091 A CN114685091 A CN 114685091A CN 202210469969 A CN202210469969 A CN 202210469969A CN 114685091 A CN114685091 A CN 114685091A
- Authority
- CN
- China
- Prior art keywords
- parts
- soil
- silicon dioxide
- self
- repairing
- 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.)
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Links
- 239000000654 additive Substances 0.000 title claims abstract description 33
- 230000000996 additive effect Effects 0.000 title claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 23
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 19
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 16
- 235000019738 Limestone Nutrition 0.000 claims abstract description 16
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 16
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000006028 limestone Substances 0.000 claims abstract description 16
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000010440 gypsum Substances 0.000 claims abstract description 11
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 9
- 239000001110 calcium chloride Substances 0.000 claims abstract description 9
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 9
- 239000010445 mica Substances 0.000 claims abstract description 9
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
- 239000007822 coupling agent Substances 0.000 claims description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 12
- 239000002689 soil Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 239000013078 crystal Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 210000003734 kidney Anatomy 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 4
- 238000001354 calcination Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- GBPOWOIWSYUZMH-UHFFFAOYSA-N sodium;trihydroxy(methyl)silane Chemical compound [Na+].C[Si](O)(O)O GBPOWOIWSYUZMH-UHFFFAOYSA-N 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 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
-
- 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
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/601—Agents for increasing frost resistance
-
- 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
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
Landscapes
- 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)
Abstract
The invention discloses an in-soil doped self-repairing waterproof additive, which relates to the technical field of building waterproof materials and comprises the following raw materials: limestone, kaolin, mica powder, gypsum, silicon dioxide, sodium dodecyl sulfate, calcium chloride and an auxiliary agent; the invention has low cost and good waterproof effect, all components have synergistic effect, nano-scale silicon dioxide is added to be cooperated with limestone, kaolin, gypsum and other raw materials, the nano-scale silicon dioxide can react with moisture in kidney permeable concrete capillaries and micropores to generate water-insoluble crystals, the crystals can gradually increase in the micropores and are sparse to dense, so that the compactness is improved, and the stronger repairing type waterproof performance is realized.
Description
Technical Field
The invention relates to the technical field of building waterproof materials, in particular to an in-soil doped self-repairing waterproof additive.
Background
With the development and progress of society, the living standard of people gradually rises, the selection requirement on building materials is higher and higher, and concrete is one of the most important civil engineering materials in the modern time. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. These characteristics make it very widely used, not only in various civil engineering, that is shipbuilding, machinery industry, ocean development, geothermal engineering, etc., but also concrete is an important material.
In order to guarantee the performance of subsequent buildings, various additives are often required to be added into concrete, wherein waterproof additives are common functional additives.
Chinese patent CN111072309A discloses a concrete waterproof additive, which comprises the following components by mass: 200 parts of silica fume 100-200, 50-100 parts of sodium methylsiliconate, 20-50 parts of triethoxysilane, 20-40 parts of organosilicon water agent, 200 parts of calcium carbonate 100-200, 10-20 parts of expanding agent, 10-20 parts of crosslinking agent, 20-50 parts of volcanic ash, 50-100 parts of ferric chloride and 10-20 parts of water reducing agent;
the additive can provide certain waterproof performance, however, when the additive breaks, the waterproof performance of the additive is greatly reduced, so that the service life of concrete is greatly reduced, certain economic loss is caused, and the use is inconvenient.
Disclosure of Invention
The invention aims to provide an in-soil doped self-repairing waterproof additive, and mainly aims to solve the problem that the existing waterproof coating only has a simple waterproof function and cannot realize self-repairing, so that the damaged waterproof effect is poor.
The technical scheme of the invention is that the soil-doped self-repairing waterproof additive comprises the following raw materials in parts by weight: 100-200 parts of limestone, 40-60 parts of kaolin, 40-60 parts of mica powder, 15-25 parts of gypsum, 10-20 parts of silicon dioxide, 10-15 parts of sodium dodecyl sulfate, 5-10 parts of calcium chloride and an auxiliary agent.
Preferably, the auxiliary agent comprises 5-8 parts of a coupling agent and 5-8 parts of a water reducing agent.
Preferably, the fineness of the kaolin is 2-10 μm.
Preferably, the fineness of the limestone is 5-10 μm.
Preferably, the coupling agent is a silane coupling agent.
Preferably, the water reducing agent is a sodium lignosulfonate water reducing agent.
Preferably, the silica is nanoscale silica.
Preferably, the granularity of the sodium dodecyl sulfate is 450-550 meshes.
The invention has the beneficial effects that: the invention has low cost and good waterproof effect, all components have synergistic effect, nano-scale silicon dioxide is added to be cooperated with limestone, kaolin, gypsum and other raw materials, the nano-scale silicon dioxide can react with moisture in kidney permeable concrete capillaries and micropores to generate water-insoluble crystals, the crystals can gradually increase in the micropores and are sparse to dense, so that the compactness is improved, and the stronger repairing type waterproof performance is realized.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1: an in-soil doped self-repairing waterproof additive comprises the following raw materials in parts by weight: 100 parts of limestone, 5 microns of fineness of the limestone, 40 parts of kaolin, 2 microns of fineness of the kaolin, 40 parts of mica powder, 15 parts of gypsum and 10 parts of silicon dioxide, wherein the silicon dioxide is nano-scale silicon dioxide and 10 parts of sodium dodecyl sulfate, the granularity of the sodium dodecyl sulfate is 450 meshes, 5 parts of calcium chloride and an auxiliary agent; the auxiliary agent comprises 5 parts of coupling agent, and the coupling agent adopts silane coupling agent; 5 parts of a water reducing agent, wherein the water reducing agent is a sodium lignosulfonate water reducing agent.
The preparation method of the soil-doped self-repairing waterproof additive comprises the following steps: limestone, kaolin and mica powder are mixed and ground according to a proportion to form a raw material, after clinker is formed by calcining in a kiln, gypsum is added to be further ground and ground to be less than 6mm, then the high-grade clinker prepared in the previous step is added into a grinder, meanwhile, silicon dioxide, sodium dodecyl sulfate and calcium chloride are added into the grinder to be ground together for 10min, finally, a water reducing agent and a coupling agent are added into the grinder to be ground again for 5min, and after the grinding is finished, the mixture is fully mixed to prepare characters and a waterproof additive, wherein the use method of the additive is to mix the additive into a concrete cement mixture for use.
Example 2: an in-soil doped self-repairing waterproof additive comprises the following raw materials in parts by weight: 150 parts of limestone, 8 mu m of limestone fineness, 50 parts of kaolin, 6 mu m of kaolin fineness, 50 parts of mica powder, 22 parts of gypsum and 15 parts of silicon dioxide, wherein the silicon dioxide is nano-scale silicon dioxide and 12 parts of sodium dodecyl sulfate, the particle size of the sodium dodecyl sulfate is 500 meshes, 7 parts of calcium chloride and an auxiliary agent; the auxiliary agent comprises 6 parts of coupling agent, and the coupling agent adopts silane coupling agent; 6 parts of a water reducing agent, wherein the water reducing agent is a sodium lignosulfonate water reducing agent.
The preparation method of the soil-doped self-repairing waterproof additive comprises the following steps: limestone, kaolin and mica powder are mixed and ground according to a proportion to form a raw material, after clinker is formed by calcining in a kiln, gypsum is added to be further ground and ground to be less than 6mm, then the high-grade clinker prepared in the previous step is added into a grinder, meanwhile, silicon dioxide, sodium dodecyl sulfate and calcium chloride are added into the grinder to be ground for 12min, finally, a water reducing agent and a coupling agent are added into the grinder to be ground for 8min again, and after grinding is finished, the materials are fully mixed to prepare characters and a waterproof additive, wherein the use method of the additive is to mix the additive into a concrete cement mixture for use.
Example 3: an in-soil doped self-repairing waterproof additive comprises the following raw materials in parts by weight: 200 parts of limestone, 10 mu m of limestone fineness, 60 parts of kaolin, 10 mu m of kaolin fineness, 60 parts of mica powder, 25 parts of gypsum and 20 parts of silicon dioxide, wherein the silicon dioxide is nano-scale silicon dioxide and 15 parts of sodium dodecyl sulfate, the granularity of the sodium dodecyl sulfate is 550 meshes, 10 parts of calcium chloride and an auxiliary agent; the auxiliary agent comprises 8 parts of coupling agent, and the coupling agent adopts silane coupling agent; 8 parts of a water reducing agent, wherein the water reducing agent is a sodium lignosulfonate water reducing agent.
The preparation method of the soil-doped self-repairing waterproof additive comprises the following steps: limestone, kaolin and mica powder are mixed and ground according to a proportion to form a raw material, clinker is formed by calcining in a kiln, gypsum is added to further grind and grind to be less than 6mm, then the first-stage clinker prepared in the last step is added into a grinder, meanwhile, silicon dioxide, sodium dodecyl sulfate and calcium chloride are added into the grinder to grind for 15min together, finally, a water reducing agent and a coupling agent are added into the grinder to grind for 10min again, and after grinding is finished, the mixture is fully mixed to prepare the character and waterproof additive.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The soil-doped self-repairing waterproof additive is characterized by comprising the following raw materials in parts by weight: 100-200 parts of limestone, 40-60 parts of kaolin, 40-60 parts of mica powder, 15-25 parts of gypsum, 10-20 parts of silicon dioxide, 10-15 parts of sodium dodecyl sulfate, 5-10 parts of calcium chloride and an auxiliary agent.
2. The soil-in-soil-doped self-repairing waterproof additive as claimed in claim 1, wherein the auxiliary comprises 5-8 parts of a coupling agent and 5-8 parts of a water reducing agent.
3. The soil-in-type self-repairing waterproof additive as claimed in claim 2, wherein the fineness of the kaolin is 2-10 μm.
4. The soil-in-type self-repairing waterproof additive as claimed in claim 2, wherein the fineness of the limestone is 5-10 μm.
5. The soil-in self-repairing waterproof additive as claimed in claim 2, wherein the coupling agent is a silane coupling agent.
6. The soil-in-soil-doped self-repairing waterproof additive as claimed in claim 2, wherein the water reducing agent is a sodium lignosulfonate water reducing agent.
7. The soil-in self-repairing waterproof additive as claimed in claim 2, wherein the silica is nanoscale silica.
8. The soil-doped self-repairing waterproof additive as claimed in claim 2, wherein the particle size of the sodium dodecyl sulfate is 450-550 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210469969.8A CN114685091A (en) | 2022-04-28 | 2022-04-28 | Soil-doped self-repairing waterproof additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210469969.8A CN114685091A (en) | 2022-04-28 | 2022-04-28 | Soil-doped self-repairing waterproof additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114685091A true CN114685091A (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210469969.8A Pending CN114685091A (en) | 2022-04-28 | 2022-04-28 | Soil-doped self-repairing waterproof additive |
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| Country | Link |
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| CN (1) | CN114685091A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432222A (en) * | 2011-09-26 | 2012-05-02 | 江苏博特新材料有限公司 | Permeable crystallization waterproof agent |
| KR101269184B1 (en) * | 2012-06-13 | 2013-05-30 | 김흠 | The composition of the alkanolamin additive use concrete reinforcement material |
| CN103351145A (en) * | 2013-06-28 | 2013-10-16 | 北京立高防水工程有限公司 | Expansive waterproof additive for concrete and preparation method of expansive waterproof additive |
| CN105293972A (en) * | 2014-06-06 | 2016-02-03 | 青岛蓝农谷农产品研究开发有限公司 | Waterproof wear-resisting concrete additive |
| CN105693135A (en) * | 2015-12-25 | 2016-06-22 | 江苏苏博特新材料股份有限公司 | Cement concrete inner-doping waterproof agent and preparing method thereof |
| CN106810105A (en) * | 2016-12-30 | 2017-06-09 | 苏州泰如新材料科技有限公司 | A kind of concrete additive |
| CN113307536A (en) * | 2021-05-25 | 2021-08-27 | 天津市金盛源特种建材有限公司 | Anticorrosive and rust-resistant anti-cracking waterproof agent |
-
2022
- 2022-04-28 CN CN202210469969.8A patent/CN114685091A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432222A (en) * | 2011-09-26 | 2012-05-02 | 江苏博特新材料有限公司 | Permeable crystallization waterproof agent |
| KR101269184B1 (en) * | 2012-06-13 | 2013-05-30 | 김흠 | The composition of the alkanolamin additive use concrete reinforcement material |
| CN103351145A (en) * | 2013-06-28 | 2013-10-16 | 北京立高防水工程有限公司 | Expansive waterproof additive for concrete and preparation method of expansive waterproof additive |
| CN105293972A (en) * | 2014-06-06 | 2016-02-03 | 青岛蓝农谷农产品研究开发有限公司 | Waterproof wear-resisting concrete additive |
| CN105693135A (en) * | 2015-12-25 | 2016-06-22 | 江苏苏博特新材料股份有限公司 | Cement concrete inner-doping waterproof agent and preparing method thereof |
| CN106810105A (en) * | 2016-12-30 | 2017-06-09 | 苏州泰如新材料科技有限公司 | A kind of concrete additive |
| CN113307536A (en) * | 2021-05-25 | 2021-08-27 | 天津市金盛源特种建材有限公司 | Anticorrosive and rust-resistant anti-cracking waterproof agent |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220701 |
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| RJ01 | Rejection of invention patent application after publication |