CN109574705A - A kind of two-component crack repairing agent - Google Patents
A kind of two-component crack repairing agent Download PDFInfo
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- CN109574705A CN109574705A CN201811537451.3A CN201811537451A CN109574705A CN 109574705 A CN109574705 A CN 109574705A CN 201811537451 A CN201811537451 A CN 201811537451A CN 109574705 A CN109574705 A CN 109574705A
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- component
- crack repairing
- repairing agent
- alumina sol
- solution
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
- C04B41/68—Silicic acid; Silicates
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5041—Titanium oxide or titanates
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
- C04B41/5057—Carbides
- C04B41/5058—Boron carbide
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
- C04B41/5057—Carbides
- C04B41/5059—Silicon carbide
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
- C04B41/5062—Borides, Nitrides or Silicides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
The present invention relates to building materials technology fields, it is desirable to provide a kind of two-component crack repairing agent.It is made of each raw material component of following percent mass ratio relationship: sodium silicate solution 10%~25%, liquor zinci chloridi 5%~14%, surfactant 0.1%~1%, silane coupling agent 3.5%~8%, ethyl alcohol 6%~25%, ammonium hydroxide 1%~4%；Magnesium fluosilicate solution 10%~25%；Alumina sol 8%~14%, nano redigity particle 0.5%~5%；Surplus is distilled water.Present invention utilizes Dual system increased response principle, i.e. alkaline system and acid system reacts to further enhance basis material, keeps mend material stronger in conjunction with surrounding matrix material；Under the characteristics of enhancing hardening concrete of the reacted rear product of alumina sol is utilized and the double action of nano redigity particle, so that overall performance is promoted；Preparation process is simple, directly large area roller coating or can be sprayed into concrete surface and constructs；No pollution to the environment, and raw material is simple, it is at low cost, it is particularly suitable for large-scale industrial production.
Description
Technical field
The invention belongs to the field of building materials, are a kind of two-component crack repairing agent specifically.
Background technique
Concrete is the maximum manufactured construction materials of mankind's usage amount, is widely used in all kinds of Structural Engineerings；But based on mixed
Solidifying soil material itself and construction level limitation, breakage can't bear already for many infrastructure, Industrial Plant Ground etc., and surface is cheated
Dirt, dusting, skin effect phenomenon, are played at weathering in hole, cause to wear no resistance, service life is short, does not adapt to modern production environment
Demand, be badly in need of transformation to solve this problem, instead scheme usually have be laid with timber floor, floor tile or directly apply
Cover one layer of epoxies floor paint etc.；But above scheme all cost performances are too low, and field of employment is limited
Defect in technology and service performance based on the said goods, numerous scholars had developed a kind of special in recent years
For the curing agent of mattess, its service life can be greatly improved.Currently, most commonly used ground is hard on domestic and international market
The main lithium base salt product of agent material, such as CN101618956A, CN200910055825 and CN201110083155.2 are public
It has opened all using lithium base salt as main component, humidification has been played after reacting with concrete, but its active constituent content is lower, it is single
Concrete performance brought by secondary construction is promoted less, and the gloss durability and weatherability of done product are poor, light in the short period
Pool decline is obvious, especially to the worse of its effect of poor (such as crack) matrix
As people are to the diversified increase in demand in ground, it is not only durable but also beautiful to start matrix after gradually pursuing through use
Product, especially matrix after there is crack repairing finished surface apparent colour, but in patent described above none be formulated
Matrix basic performance can be improved and change its appearance luster after repairing, whole homogeneity.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of two-component crack repairing
Agent.
In order to solve the technical problem, solution of the invention is:
A kind of two-component crack repairing agent is provided, is made of each raw material component of following percent mass ratio relationship:
Sodium silicate solution 10%~25%, liquor zinci chloridi 5%~14%, surfactant 0.1%~1%, silane are even
Join agent 3.5%~8%, ethyl alcohol 6%~25%, ammonium hydroxide 1%~4%；Magnesium fluosilicate solution 10%~25%；Alumina sol
8%~14%, nano redigity particle 0.5%~5%；Surplus is distilled water；
The two-component crack repairing agent is divided into component A and B component two parts；Wherein, molten by sodium silicate solution, zinc chloride
Liquid, surfactant, silane coupling agent, ammonium hydroxide and half dosage ethyl alcohol and distilled water form component A；By magnesium fluosilicate
Solution, alumina sol, nano redigity particle, and remaining ethyl alcohol and distilled water form B component；
0.1~2mol/L of molar concentration of the sodium silicate solution, 0.1~1.0mol/ of molar concentration of liquor zinci chloridi
L, magnesium fluosilicate solution 0.05~0.8mol/L of molar concentration, the solid content 10%~35% of alumina sol, ammonia concn 5%
~28%.
In the present invention, the surfactant is cetyl polyvinylpyrrolidone (PVP), trimethylammonium bromide
(CTAB), the combination of one or more of polyethylene glycol 2000 (PEG2000) or neopelex (SDBS).
In the present invention, it is C that the partial size of the nano redigity particle, which is 10~40nm,3N4、SiC、BC4、TiO2One of
Or several combination.
In the present invention, the silane coupling agent is 3- urea propyl trimethoxy silicane (KH592), ethyl orthosilicate, r- contracting
One or more of water glycerol ether oxygen propyl trimethoxy silicane or double-(triethoxysilylpropyltetrasulfide) amine.
In the present invention, the average grain diameter of the alumina sol is 10~50nm.
Realization principle of the invention:
On the one hand a kind of the main of two-component crack repairing agent of the present invention passes through using sodium silicate solution in component A and through anti-
The nano granular of zinc oxide that should be generated afterwards penetrates into concrete hair under the action of surfactant and common silane coupling agent
Inside pore in concrete hydrated product calcium hydroxide and unhydrated cement react, generate network-like cross-linked structure
Macromolecular gel, fill concrete hole keeps its closely knit；On the other hand using nanoscale Aluminum sol in B component can with it is mixed
Remaining calcium ion etc., which reacts, in solidifying soil generates calcium aluminate, and calcium aluminate is the main component after aluminate cement aquation,
Enhance hardening concrete；Meanwhile under the action of nano redigity particle, concrete hardness and wearability are improved；In addition, this hair
Magnesium fluosilicate in bright also reacts with the alkaline solution after reacting in component A other than itself enhances crack, forms acid-base neutralization
System, to enhance its performance jointly.
Compared with the prior art, the advantages of the present invention are as follows:
(1) sodium silicate solution and the reacted rear nano granular of zinc oxide generated added in the present invention is in surfactant
Under the action of silane coupling agent, preferably it is scattered in the entire network-like sol system in gap to be repaired, and infiltrate into together
It in concrete pore, to change substrate performance, is ground in combination with grinding technics, so that mend basal plane and surrounding
Equivalent effect generates visual aesthetic feeling, solves the problems, such as different crowd to repairing ground diversity requirements；
(2) present invention to obtain the zinc oxide particle in ideal by the pH value in control solution system, and adjusts
The quantity of itself and alumina sol grain diameter makes it that can be interspersed in the hole in matrix ground when in use, sufficiently
Filling and closely knit hole；Meanwhile Dual system increased response principle, the i.e. acid system of component A alkaline system and B component is utilized
It reacts to further enhance basis material, keeps mend material stronger in conjunction with surrounding matrix material；
(3) present invention takes full advantage of the partial size difference distribution of sodium stannate solution enhancing matrix characteristics and zinc oxide particle
Feature, can different-grain diameter size preferably in fill concrete hole and form fine and close entirety；Meanwhile it being utilized
After alumina sol is reacted the characteristics of the enhancing hardening concrete of product and under the double action of nano redigity particle, so that whole
Performance boost；This technical advantage, which is substantially better than in existing product using unitary system technology, enhances ground；
(4) present invention is a kind of novel two-component crack repairing product, and preparation process is simple, can directly large area roller coating
Or it is sprayed into concrete surface and constructs；Reaction process is easy to control, reaction condition is mild, also non-volatility is toxic in reaction
Gas, no pollution to the environment, and raw material is simple, and it is at low cost, it is particularly suitable for large-scale industrial production.
Specific embodiment
Below in conjunction with embodiment, present invention is further described in detail, it will be appreciated by those skilled in the art that
The following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.
Two-component crack repairing agent of the present invention is made of each raw material component of following percent mass ratio relationship:
Sodium silicate solution 10%~25%, liquor zinci chloridi 5%~14%, surfactant 0.1%~1%, silane are even
Join agent 3.5%~8%, ethyl alcohol 6%~25%, ammonium hydroxide 1%~4%；Magnesium fluosilicate solution 10%~25%；Alumina sol
8%~14%, nano redigity particle 0.5%~5%；Surplus is distilled water；
The two-component crack repairing agent is divided into component A and B component two parts；Wherein, molten by sodium silicate solution, zinc chloride
Liquid, surfactant, silane coupling agent, ammonium hydroxide and half dosage ethyl alcohol and distilled water form component A；By magnesium fluosilicate
Solution, alumina sol, nano redigity particle, and remaining ethyl alcohol and distilled water form B component；
0.1~2mol/L of molar concentration of the sodium silicate solution, 0.1~1.0mol/ of molar concentration of liquor zinci chloridi
L, 0.05~0.8mol/L of magnesium fluosilicate solution molar concentration；Ammonia concn 5%~28%；The solid content 10% of alumina sol
~35%, average grain diameter is 10~50nm；Surfactant is cetyl polyvinylpyrrolidone (PVP), trimethyl bromination
The combination of one or more of ammonium (CTAB), polyethylene glycol 2000 (PEG2000) or neopelex (SDBS).It receives
The partial size of rice rigid particles is 10~40nm, is C3N4、SiC、BC4、TiO2One or more of combination.Silane coupling agent
It is 3- urea propyl trimethoxy silicane (KH592), ethyl orthosilicate, r- glycidyl ether oxygen propyl trimethoxy silicane or double-
One or more of (triethoxysilylpropyltetrasulfide) amine.
Two-component crack repairing agent of the present invention can be prepared by following methods:
(1) it by the percent mass ratio relationship and concentration requirement, weighs or prepares each raw material component:
(2) ethyl alcohol of half dosage and the distilled water of half dosage are taken, is placed in container and stirs evenly；Then it sequentially adds
Liquor zinci chloridi and sodium silicate solution body, then dropped evenly ammonia spirit to wherein with 60~100 drops/minute speed, it adjusts
Saving solution ph is 8~12；After stirring 25min at 25~40 DEG C with the speed of 500~1200rmp, uniform mixing is obtained
Solution；It is cooled to room temperature and sequentially adds surfactant and silane coupling agent, and 30min is stirred with the constant airspeed of 300rmp,
Obtain component A solution；
(3) ethyl alcohol and distilled water for taking remaining dosage, are placed in another container and stir evenly, and then sequentially add fluorine silicon
Sour magnesium solution and alumina sol；After stirring 30min at 40~60 DEG C with the speed of 150~300rmp, nano redigity is added
Particle, and 15min is stirred with the rate of 300rmp, obtain B component solution.
In step (3), persistently stirs after nano redigity particle is added, be stirred for when solution, which starts, becomes sticky
20min。
Test data in each embodiment see the table below:
The application method of two-component crack repairing agent:
It will first be cleaned out at basal plane and its gap with professional tool and make basal plane keep moisture state with water infiltration, with
Afterwards by solution A of the invention pour into or instill or roller coating to basal plane gap at, make its kept in 30min band mend infiltrated
(being replenished in time if any dry place), is then ground, it is to be ground after material filling chink when, by B solution of the invention
It coats in the same way to crack, carries out secondary grinding using machine after it sufficiently reacts 20min.Splitting after processing
Seam is padded closely knit and is consistent with basal plane around, and the performances such as the hardness of mend, impervious, anti-skidding greatly improve；Double groups
The synthesis dosage of part crack repairing agent is about 0.1~0.5kg/m2。
Claims (5)
1. a kind of two-component crack repairing agent, which is characterized in that be by each raw material component group of following percent mass ratio relationship
At:
Sodium silicate solution 10%~25%, liquor zinci chloridi 5%~14%, surfactant 0.1%~1%, silane coupling agent
3.5%~8%, ethyl alcohol 6%~25%, ammonium hydroxide 1%~4%；Magnesium fluosilicate solution 10%~25%；Alumina sol 8%~
14%, nano redigity particle 0.5%~5%；Surplus is distilled water；
The two-component crack repairing agent is divided into component A and B component two parts；Wherein, by sodium silicate solution, liquor zinci chloridi, table
Face activating agent, silane coupling agent, ammonium hydroxide and half dosage ethyl alcohol and distilled water form component A；By magnesium fluosilicate solution,
Alumina sol, nano redigity particle, and remaining ethyl alcohol and distilled water form B component；
0.1~2mol/L of molar concentration of the sodium silicate solution, 0.1~1.0mol/L of molar concentration of liquor zinci chloridi, fluorine
Silicic acid magnesium solution 0.05~0.8mol/L of molar concentration, the solid content 10%~35% of alumina sol, ammonia concn 5%~
28%.
2. two-component crack repairing agent according to claim 1, which is characterized in that the surfactant is cetyl
The group of one or more of polyvinylpyrrolidone, trimethylammonium bromide, polyethylene glycol 2000 or neopelex
It closes.
3. two-component crack repairing agent according to claim 1, which is characterized in that the partial size of the nano redigity particle is
10~40nm is C3N4、SiC、BC4、TiO2One or more of combination.
4. two-component crack repairing agent according to claim 1, which is characterized in that the silane coupling agent is 3- urea propyl
Trimethoxy silane, ethyl orthosilicate, r- glycidyl ether oxygen propyl trimethoxy silicane or double-(triethoxysilyl
One or more of propyl) amine.
5. two-component crack repairing agent according to claim 1, which is characterized in that the average grain diameter of the alumina sol
For 10~50nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537451.3A CN109574705A (en) | 2018-12-15 | 2018-12-15 | A kind of two-component crack repairing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537451.3A CN109574705A (en) | 2018-12-15 | 2018-12-15 | A kind of two-component crack repairing agent |
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| CN201811537451.3A Pending CN109574705A (en) | 2018-12-15 | 2018-12-15 | A kind of two-component crack repairing agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407609A (en) * | 2019-07-25 | 2019-11-05 | 达州和睦博发新材料科技有限公司 | A kind of sial compound concrete impermeable seal curing agent |
| CN111777949A (en) * | 2020-07-13 | 2020-10-16 | 长沙金硅地环保科技有限公司 | High-molecular nano-silicon and hydrosol polymer and application thereof |
| CN113416092A (en) * | 2021-07-18 | 2021-09-21 | 浙江大学杭州国际科创中心 | Double-component nano sol type liquid hardening agent and preparation method thereof |
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| CN106747652A (en) * | 2016-12-13 | 2017-05-31 | 浙江大学自贡创新中心 | Double-component dyes hardening sealant floor material |
| KR101811641B1 (en) * | 2016-09-05 | 2017-12-27 | 김명래 | Concrete repair material and cross sectional concrete surface repair and recovery method using the same |
| CN108046729A (en) * | 2017-12-14 | 2018-05-18 | 自贡格灵新材料科技有限公司 | A kind of preparation method of Nano sol type colour hardening sealant agent |
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2018
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| KR101811641B1 (en) * | 2016-09-05 | 2017-12-27 | 김명래 | Concrete repair material and cross sectional concrete surface repair and recovery method using the same |
| CN106747652A (en) * | 2016-12-13 | 2017-05-31 | 浙江大学自贡创新中心 | Double-component dyes hardening sealant floor material |
| CN108046729A (en) * | 2017-12-14 | 2018-05-18 | 自贡格灵新材料科技有限公司 | A kind of preparation method of Nano sol type colour hardening sealant agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407609A (en) * | 2019-07-25 | 2019-11-05 | 达州和睦博发新材料科技有限公司 | A kind of sial compound concrete impermeable seal curing agent |
| CN111777949A (en) * | 2020-07-13 | 2020-10-16 | 长沙金硅地环保科技有限公司 | High-molecular nano-silicon and hydrosol polymer and application thereof |
| CN113416092A (en) * | 2021-07-18 | 2021-09-21 | 浙江大学杭州国际科创中心 | Double-component nano sol type liquid hardening agent and preparation method thereof |
| CN113416092B (en) * | 2021-07-18 | 2022-04-12 | 浙江大学杭州国际科创中心 | Double-component nano sol type liquid hardening agent and preparation method thereof |
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