CN101219867B - Concrete maintaining agent - Google Patents
Concrete maintaining agent Download PDFInfo
- Publication number
- CN101219867B CN101219867B CN2008100142168A CN200810014216A CN101219867B CN 101219867 B CN101219867 B CN 101219867B CN 2008100142168 A CN2008100142168 A CN 2008100142168A CN 200810014216 A CN200810014216 A CN 200810014216A CN 101219867 B CN101219867 B CN 101219867B
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- China
- Prior art keywords
- concrete
- solution
- weight percent
- percent concentration
- sodium silicate
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Classifications
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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
- C04B2103/10—Accelerators; Activators
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- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a curing agent of concrete, comprising styrene-acrylic emulsion, acrylamide solution, sodium silicate solution and organosilane solution; the styrene-acrylic emulsion is poured into the acrylamide solution; the sodium silicate solution and the organosilane solution are added and uniformly stirred with low speed to form the curing agent of the concrete; water soluble material with good film forming ability is used without solvent; neither volatile substances are generated nor secondary environmental pollution are caused; the invention comprises organosilane, rapidly penetrates into capillary pores wall inside the concrete, and then chemically reacts with part of the water and air in the concrete to generate silicon dioxide; the capillary pore channels are blocked, and a solid waterproof layer is formed to prevent evaporation of internal moisture and avoid invasion of external harmful substance, which helps to improve the durability of the concrete, keeps the concrete in a maintenance state for a long period, and improves durability of the concrete.
Description
Technical field
The present invention relates to a kind of material of construction of water-based, specifically, relate to a kind of curing compound.
Background technology
After the cement concrete cast, the temperature and humidity that in the process of initial set, must be necessary, to guarantee that suff water carries out hydration reaction fully, traditional maintenance process litters bag, plastics film and watering maintenance, time-consuming, the effort of these methods, can not intercept the evaporation of moisture effectively, water retention is low, and maintenance effect is not good.
In order to improve its water retention, various curing compounds have appearred at present, normally used curing compound is divided into inorganic and organic two classes, mineral-type mostly is the silicate concrete curing agent, and the film forming properties of this type of curing agent is lower, can't effectively prevent the accumulation of salt in the surface soil phenomenon of concrete pore, can influence concrete visual appearance after the spraying maintenance, what also have forms inviscid secondary mulch film at concrete surface, after running into water or exposing to the weather, and very easily hydrolysis and aging coming off; Organic class has resin type, latex type and emulsion-type usually, wherein contains the easy contaminate environment of volatile solvent in the resin type curing agent, does not reach environmental protection requirement, the curing film of latex type curing agent after maintenance is firm, be difficult to abolish, influence later operation, cost is also than higher; The emulsion-type curing agent all improves a lot comparing above curing agent aspect water retention and the film forming properties, Kai Fa paraffin wax emulsions type curing agent water retention height in recent years, environmental sound, curing film also removes than being easier to, but the paraffin wax emulsions type curing agent of having developed is a raw material with the high paraffin of price comparison mostly, and the consumption of emulsifying agent is higher, and emulsifiers formula is more complicated also, cause production cost higher, limited and applied.
As the patent No. is that the Chinese patent of ZL85105219 discloses a kind of concrete film curing agent and processing method, form by paraffin, stearic acid, aliphatics higher amines, Glacial acetic acid and polyoxyethylene aliphatic alcohol ether, wherein the amount ratio of paraffin and emulsifying agent is 1: 1, causes cost than higher.
The patent No. is that the Chinese patent of ZL99110818.3 discloses a kind of emulsion type concrete curing agent, comprise and mix petroleum hydrocarbon, emulsifying agent, water, the water retention of this curing agent is 84.3%, ultimate compression strength is 87.9%, its maintenance effect is compared with existing curing agent, tool is improved to some extent, but still undesirable.
Summary of the invention
The technical problem to be solved in the present invention is at above deficiency, a kind of curing compound that provide that a kind of maintenance effect is good, environmental protection, cost are low, can effectively improve concrete weather resistance.
For addressing the above problem, the present invention adopts following technical scheme: a kind of curing compound, it is characterized in that: described curing compound comprises benzene emulsion, acrylamide soln, sodium silicate solution, organosilane solution, described benzene emulsion, acrylamide soln, sodium silicate solution, organosilane solution is mixed to stir evenly promptly getting curing compound.
A kind of prioritization scheme, the weight proportion of described each composition of curing compound (by weight) is:
Weight percent concentration is 30%～50% benzene emulsion 30～70;
Weight percent concentration is 2%～10% acrylamide soln 10～50;
Weight percent concentration is 30%～40% sodium silicate solution 5～15;
Weight percent concentration is 35%～40% organosilane solution 5～10;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
Another kind of prioritization scheme, the weight proportion of described each composition of curing compound (by weight) is:
Weight percent concentration is 35%～45% benzene emulsion 40～60;
Weight percent concentration is 5%～8% acrylamide soln 20～45;
Weight percent concentration is 32%～38% sodium silicate solution 7～12;
Weight percent concentration is 33%～37% organosilane solution 6～8;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
Another kind of prioritization scheme, the weight proportion of described each composition of curing compound (by weight) is:
Weight percent concentration is 50% benzene emulsion 35;
Weight percent concentration is 10% acrylamide soln 45;
Weight percent concentration is 30% sodium silicate solution 12;
Weight percent concentration is 35% organosilane solution 8;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
Another kind of prioritization scheme, the weight proportion of described each composition of curing compound (by weight) is:
Weight percent concentration is 35% benzene emulsion 65;
Weight percent concentration is 2% acrylamide soln 20;
Weight percent concentration is 40% sodium silicate solution 10;
Weight percent concentration is 40% organosilane solution 5;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
Another kind of prioritization scheme, the weight proportion of described each composition of curing compound (by weight) is:
Weight percent concentration is 40% stupid acrylic emulsion 50;
Weight percent concentration is 6% acrylamide soln 40;
Weight percent concentration is 35% sodium silicate solution 5;
Weight percent concentration is 38% organosilane solution 5;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
The present invention adopts above technical scheme, compared with prior art has the following advantages: technical scheme of the present invention is not used solvent, and uses film-forming properties better water solubility material, and paint having no volatile substances does not form secondary pollution to environment; Contain organosilane, after it is sprayed at concrete surface, the energy rapid permeability is to inside concrete capillary hole wall, and generate silicon-dioxide with part water and air generation chemical reaction in the concrete, block capillary porosity duct, form firm waterproof layer, making internal moisture be difficult for evaporation also can stop outside objectionable impurities to be invaded, concrete is played long-term maintenance action, help to improve concrete weather resistance, visual appearance behind the solution concrete spraying curing agent is poor, water conservation rate variance and solvent evaporates problem of environment pollution caused are in for a long time concrete and are subjected to " maintenance " state, improve concrete durability;
Embodiment
Embodiment 1, a kind of curing compound, the weight proportion of each composition (by weight) is: weight percent concentration is 50% benzene emulsion 35g, weight percent concentration is 10% acrylamide soln 45g, weight percent concentration is 30% sodium silicate solution 12g, weight percent concentration is 35% organosilane solution 8g, the ULTEX-601 benzene emulsion that benzene emulsion uses aspen chemical industry company limited to produce, acrylamide soln uses the Xinxiang City to imitate the acrylamide soln that wins the production of chemical industry company limited, the sodium silicate solution that sodium silicate solution uses Milky Way chemical plant, Yongqing County to produce, organosilane solution adopts commercially available product, pour described benzene emulsion into acrylamide soln, add sodium silicate solution, organosilane solution low speed stirs evenly into curing compound.
Effectively water retention test: carry out the effective water retention test of cement concrete curing agent according to the test method of JC901-2002, the results are shown in Table 1;
Wear loss test: carry out the test of concrete wear loss according to JTJ053, the results are shown in Table 1;
Solid content test: carry out the test of concrete solid content according to GB/T8077, the results are shown in Table 1;
Test time of drying: JC/T421 carries out the dry time test of concrete, the results are shown in Table 1;
Compressive strength test: carry out concrete crushing strength than test according to JC901-2002, the results are shown in Table 1;
28d seepage water pressure test: carry out the test of concrete osmotic pressure ratio according to JC474-1999, the results are shown in Table 1.
Table 1 is the result that the above-mentioned embodiment of the present invention is detected:
Immerse dissolubility test after the film forming:
Curing agent once is applied on the plastic plate of 150mm * 300mm by the test consumption, treat complete drying after, immerse in the water, water temperature is 20 ± 3 ℃, whether soaking time is 1h, observe film and dissolve, the result is not for dissolving;
The film forming thermal test:
Curing agent is positioned on the sheet glass by the test consumption, treat complete drying after, place in 65 ± 2 ℃ the drying baker, observe behind the constant temperature 10min whether occur dissolving, metachromatism, the result is insoluble, nondiscoloration.
Solvability, thermal test show after the film forming: curing agent immersion solvability of the present invention is insoluble, becomes film heat resistance relatively good, and every index all improves a lot than present curing agent.
Embodiment 2, a kind of curing compound, the weight proportion of each composition (by weight) is: weight percent concentration is 35% benzene emulsion 65g, weight percent concentration is 2% acrylamide soln 20g, weight percent concentration is 40% sodium silicate solution 10g, weight percent concentration is 40% organosilane solution 5g, benzene emulsion uses the Nantong life to reach the S-01 benzene emulsion that chemical industry company limited produces, the acrylamide soln that acrylamide soln uses Xinchang, Xinxiang City chemical industry company limited to produce, the sodium silicate solution that sodium silicate solution uses Jiangsu Kangxiang Group Corp to produce, organosilane solution adopts commercially available product, pour described benzene emulsion into acrylamide soln, add sodium silicate solution, organosilane solution low speed stirs evenly into curing compound.
Effectively water retention test: carry out the effective water retention test of cement concrete curing agent according to the test method of JC901-2002, the results are shown in Table 2;
Wear loss test: carry out the test of concrete wear loss according to JTJ053, the results are shown in Table 2;
Solid content test: carry out the test of concrete solid content according to GB/T8077, the results are shown in Table 2;
Test time of drying: JC/T421 carries out the dry time test of concrete, the results are shown in Table 2;
Compressive strength test: carry out concrete crushing strength than test according to JC901-2002, the results are shown in Table 2;
28d seepage water pressure test: carry out the test of concrete osmotic pressure ratio according to JC474-1999, the results are shown in Table 2.
Table 2 is results that the above-mentioned embodiment of the present invention is detected:
Immerse dissolubility test after the film forming:
Curing agent once is applied on the plastic plate of 150mm * 300mm by the test consumption, treat complete drying after, immerse in the water, water temperature is 20 ± 3 ℃, whether soaking time is 1h, observe film and dissolve, the result is not for dissolving;
The film forming thermal test:
Curing agent is positioned on the sheet glass by the test consumption, treat complete drying after, place in 65 ± 2 ℃ the drying baker, observe behind the constant temperature 10min whether occur dissolving, metachromatism, the result is insoluble, nondiscoloration.
Solvability, thermal test show after the film forming: curing agent immersion solvability of the present invention is insoluble, becomes film heat resistance relatively good, and every index all improves a lot than present curing agent.
Embodiment 3, a kind of curing compound, the weight proportion of each composition (by weight) is: weight percent concentration is 40% benzene emulsion 50g, weight percent concentration is 6% acrylamide soln 40g, weight percent concentration is 35% sodium silicate solution 5g, weight percent concentration is 38% organosilane solution 5g, the H-100 benzene emulsion that benzene emulsion uses Ma'an Mountain nine and Chemical Industry Science Co., Ltd to produce, the acrylamide soln that acrylamide soln uses Xinchang, Xinxiang City chemical industry company limited to produce, the sodium silicate solution that sodium silicate solution uses Jiangsu Kangxiang Group Corp to produce, organosilane solution adopts commercially available product, pour described benzene emulsion into acrylamide soln, add sodium silicate solution, organosilane solution low speed stirs evenly into curing compound.
Effectively water retention test: carry out the effective water retention test of cement concrete curing agent according to the test method of JC901-2002, the results are shown in Table 3;
Wear loss test: carry out the test of concrete wear loss according to JTJ053, the results are shown in Table 3;
Solid content test: carry out the test of concrete solid content according to GB/T8077, the results are shown in Table 3;
Test time of drying: JC/T421 carries out the dry time test of concrete, the results are shown in Table 3;
Compressive strength test: carry out concrete crushing strength than test according to JC901-2002, the results are shown in Table 3;
28d seepage water pressure test: carry out the test of concrete osmotic pressure ratio according to JC474-1999, the results are shown in Table 3.
Table 3 be this to inventing the result that above-mentioned embodiment detects:
Immerse dissolubility test after the film forming:
Curing agent once is applied on the plastic plate of 150mm * 300mm by the test consumption, treat complete drying after, immerse in the water, water temperature is 20 ± 3 ℃, whether soaking time is 1h, observe film and dissolve, the result is not for dissolving;
The film forming thermal test:
Curing agent is positioned on the sheet glass by the test consumption, treat complete drying after, place in 65 ± 2 ℃ the drying baker, observe behind the constant temperature 10min whether occur dissolving, metachromatism, the result is insoluble, nondiscoloration.
Solvability, thermal test show after the film forming: curing agent immersion solvability of the present invention is insoluble, becomes film heat resistance relatively good, and every index all improves a lot than present curing agent.
Claims (4)
1. curing compound, it is characterized in that: described curing compound comprises:
Weight percent concentration is 30%～50% benzene emulsion;
Weight percent concentration is 2%～10% acrylamide soln;
Weight percent concentration is that 30%～40% sodium silicate solution and weight percent concentration are 35%～40% organosilane solution;
Each composition is by weight:
Benzene emulsion 30～70;
Acrylamide soln 10～50;
Sodium silicate solution 5～15;
Organosilane solution 5～10;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
2. a kind of curing compound as claimed in claim 1 is characterized in that: each composition of described curing compound is by weight:
Weight percent concentration is 50% benzene emulsion 35;
Weight percent concentration is 10% acrylamide soln 45;
Weight percent concentration is 30% sodium silicate solution 12;
Weight percent concentration is 35% organosilane solution 8;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
3. a kind of curing compound as claimed in claim 1 is characterized in that: each composition of described curing compound is by weight:
Weight percent concentration is 35% benzene emulsion 65;
Weight percent concentration is 2% acrylamide soln 20;
Weight percent concentration is 40% sodium silicate solution 10;
Weight percent concentration is 40% organosilane solution 5;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
4. a kind of curing compound as claimed in claim 1 is characterized in that: each composition of described curing compound is by weight:
Weight percent concentration is 40% benzene emulsion 50;
Weight percent concentration is 6% acrylamide soln 40;
Weight percent concentration is 35% sodium silicate solution 5;
Weight percent concentration is 38% organosilane solution 5;
Described benzene emulsion, acrylamide soln, sodium silicate solution, the mixing of organosilane solution are stirred evenly and promptly get curing compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100142168A CN101219867B (en) | 2008-01-28 | 2008-01-28 | Concrete maintaining agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100142168A CN101219867B (en) | 2008-01-28 | 2008-01-28 | Concrete maintaining agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219867A CN101219867A (en) | 2008-07-16 |
| CN101219867B true CN101219867B (en) | 2010-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100142168A Expired - Fee Related CN101219867B (en) | 2008-01-28 | 2008-01-28 | Concrete maintaining agent |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792329B (en) * | 2010-01-26 | 2012-05-09 | 江苏博特新材料有限公司 | Multifunctional anti-leakage shrinkage type concrete surface layer reinforcer |
| CN102815885B (en) * | 2011-06-08 | 2014-11-05 | 东莞市斯博锐高分子建筑材料科技有限公司 | Improved liquid concrete seal curing agent |
| CN102320860B (en) * | 2011-08-10 | 2014-01-29 | 中国铁道科学研究院铁道建筑研究所 | Concrete-curing agent applicable to strong-wind arid area and preparation method thereof |
| CN103058544B (en) * | 2012-12-24 | 2014-10-08 | 浙江工业大学 | Bi-component curing agent used for cement concrete and application thereof |
| CN103992135B (en) * | 2014-05-27 | 2015-09-23 | 中建商品混凝土有限公司 | A kind of curing compound and preparation method thereof |
| EP3040490B1 (en) | 2014-12-30 | 2017-09-20 | Universita' Degli Studi Di Cagliari | Method and system for activating and controlling a water-repelling process in walls |
| CN105271923A (en) * | 2015-09-24 | 2016-01-27 | 滁州京安工贸有限责任公司 | Concrete and mortar curing agent |
| CN105294161B (en) * | 2015-12-07 | 2018-10-16 | 江西洪屏抽水蓄能有限公司 | A kind of unsaturated siloxane base phosphate lotion curing compound and preparation method thereof |
| CN105601162B (en) * | 2015-12-29 | 2018-01-02 | 江苏苏博特新材料股份有限公司 | Concrete corrosion medium suppresses the preparation method of material |
| CN105819893B (en) * | 2016-03-31 | 2019-04-23 | 上海黔煌实业有限公司 | A kind of curing agent and preparation method thereof |
| CN106146036A (en) * | 2016-06-28 | 2016-11-23 | 中国路桥工程有限责任公司 | Curing compound |
| CN108892536A (en) * | 2018-06-20 | 2018-11-27 | 河南阳光防水科技有限公司 | The early strong curing agent of cement |
| CN115259897B (en) * | 2022-07-07 | 2023-06-20 | 山西佳维新材料股份有限公司 | Organic-inorganic composite concrete curing agent, preparation method and concrete curing method |
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2008
- 2008-01-28 CN CN2008100142168A patent/CN101219867B/en not_active Expired - Fee Related
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| CN101219867A (en) | 2008-07-16 |
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Granted publication date: 20100721 Termination date: 20200128 |