CN112094135A - Concrete silicon-fluorine protective agent for concrete surface treatment and preparation method thereof - Google Patents

Concrete silicon-fluorine protective agent for concrete surface treatment and preparation method thereof Download PDF

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Publication number
CN112094135A
CN112094135A CN202010602734.2A CN202010602734A CN112094135A CN 112094135 A CN112094135 A CN 112094135A CN 202010602734 A CN202010602734 A CN 202010602734A CN 112094135 A CN112094135 A CN 112094135A
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China
Prior art keywords
parts
agent
auxiliary
concrete
preparation
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CN202010602734.2A
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Chinese (zh)
Inventor
李大卿
廖帮伟
林鸿
李嘉琪
黄坚
黄小平
麦尉球
张小琴
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Guangzhou Huina New Material Technology Co ltd
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Guangzhou Huina New Material Technology Co ltd
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Priority to CN202010602734.2A priority Critical patent/CN112094135A/en
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Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61Coating or impregnation
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50Coating 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
    • C04B41/5024Silicates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a concrete silicon-fluorine protective agent for concrete surface treatment and a preparation method thereof, relates to the technical field of concrete silicon-fluorine protective agents, and particularly relates to a concrete silicon-fluorine protective agent for concrete surface treatment and a preparation method thereof, wherein the concrete silicon-fluorine protective agent comprises the following components in parts by weight: 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent, 2-5 parts of auxiliary thickening agent, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water. The concrete silicon fluoride protective agent for concrete surface treatment and the dispersing agent set by the preparation method have good dispersibility and excellent high-temperature stability, and the materials can be subjected to efficient dispersion treatment, so that the contact area among the materials can be effectively increased, the uniformity of material mixing can be effectively enhanced, and the time and energy required for completing the dispersion process can be reduced.

Description

Concrete silicon-fluorine protective agent for concrete surface treatment and preparation method thereof
Technical Field
The invention relates to the technical field of concrete silicon fluorine protective agents, in particular to a concrete silicon fluorine protective agent for concrete surface treatment and a preparation method thereof.
Background
With the rapid development of the infrastructure, the concrete plays an increasingly important role in port, wharf and city construction, is an artificial material with the largest use amount in the present generation, and has the characteristics of rich raw materials, low price, simple production process and the like. The fair-faced concrete is one-time pouring and forming concrete without any decoration such as external plastering, takes the natural texture of the concrete and the natural state formed by combining a well-designed open joint, a meditation joint and a split bolt hole as a decorative building expression form, is widely applied to industrial buildings, medium and high civil engineering, public buildings and municipal bridges, and receives more and more attention.
The concrete is used for a long time, so that the concrete is easy to disperse, the integral stability of the concrete is poor, the concrete is easy to be influenced by the environment, and the service life is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a concrete silicon fluoride protective agent for concrete surface treatment and a preparation method thereof, and solves the problems that the concrete is easy to disperse after being used for a long time, the whole stability of the concrete is poor, the influence of the environment is easy to cause the shortening of the service life.
In order to achieve the purpose, the invention is realized by the following technical scheme: a concrete silicon fluorine protective agent for concrete surface treatment and a preparation method thereof comprise the following components in parts by weight: 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent, 2-5 parts of auxiliary thickening agent, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water.
Optionally, the concrete silicon fluorine protective agent for concrete surface treatment and the preparation method thereof comprise the following steps:
s1, weighing the following components: sequentially weighing 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming assistant, 1-3 parts of anticorrosion assistant, 1-3 parts of mildew-proof assistant, 2-5 parts of auxiliary thickener, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water according to the mass components;
s2, mixing organic polymer fluorosilicate: placing 20-30 parts of organic polymer fluosilicate into a stirrer, and injecting the weighed semiwater to ensure that the stirrer stirs for 20-30 min;
s3, mixing and adding auxiliary agents: in the operation process of a stirrer, sequentially adding 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent and 2-3 parts of wetting agent into the stirrer, and stirring for 10-30min by the stirrer to prepare a mixture A;
s4, condensation molding: sequentially adding 1-3 parts of calcium silicate hydrate gel powder and 0-2 parts of cellulose ether into the mixture A, and mixing and stirring for 10-10min by using a stirrer to prepare a mixture B;
s5, preparing and molding the concrete silicon-fluorine protective agent: and sequentially adding 2-5 parts of auxiliary film-forming agent and 2-5 parts of auxiliary thickening agent into the mixture B, injecting the other half of water into the stirrer, mixing for 20-40min by using the stirrer, and standing for 2 hours to prepare the concrete silicon fluorine protective agent.
Optionally, the fluorosilicate is one or two of sodium fluorosilicate and magnesium fluorosilicate.
Optionally, the auxiliary dispersant is at least one of a homopolymer, an oxidized homopolymer, an ethylene-acrylic acid copolymer, an ethylene-vinyl acetate copolymer, and a low molecular ionomer.
Optionally, the defoaming auxiliary agent is at least one of silicone emulsion, a higher alcohol fatty acid ester complex, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether.
Optionally, the anticorrosion auxiliary agent is at least one of phenyl mercury oleate, organic copper salt, inorganic salt copper sulfate, mercuric chloride and sodium fluoride.
Optionally, the mildew-proof auxiliary agent is at least one of phenol, chlorocresol, thymol, propionic acid, dehydroacetic acid and glutaraldehyde.
Optionally, the auxiliary thickener is a homopolymer or copolymer emulsion thickener of acrylic acid and methacrylic acid.
Optionally, the auxiliary film-forming agent is at least one of benzyl alcohol, dodecyl alcohol ester, propylene glycol butyl ether and propylene glycol methyl ether acetate.
Optionally, the wetting agent is a wetting agent having anionic and nonionic surfactants, the anionic surfactant is at least one of alkyl sulfate, sulfonate and fatty acid or fatty acid ester sulfate, and the nonionic surfactant is at least one of polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
The invention provides a concrete silicon fluorine protective agent for concrete surface treatment and a preparation method thereof, and the concrete silicon fluorine protective agent has the following beneficial effects:
the dispersing agent has better dispersibility and excellent high-temperature stability, so that the auxiliary dispersing agent can effectively reduce the time and energy required for completing the dispersing process, stabilize the dispersed pigment dispersoid and effectively improve the color development and the color tone of the material, thereby effectively avoiding floating color, flocculation and sedimentation, effectively dispersing the material, effectively increasing the contact area between the materials, effectively mixing the materials and effectively enhancing the uniformity of material mixing;
the defoaming auxiliary agent can effectively destroy bubbles generated by mixing materials, reduce gas carried by the materials, efficiently mix the materials and effectively shorten the time consumed by mixing the materials;
the preservative auxiliary agent can effectively interfere with the enzyme system of the microorganism, destroy the normal metabolism and the inhibitory activity of the microorganism, solidify and denature the protein of the microorganism, interfere the survival and the propagation of the microorganism, effectively inhibit the damage of the microorganism to the material and effectively enhance the corrosion resistance of the material, thereby effectively reducing the damage of the microorganism or bacteria to the material and effectively prolonging the service life of the material;
the auxiliary thickening agent can thicken the material, prevent the sagging phenomenon in construction, effectively endow the material with excellent mechanical property and storage stability, and effectively reduce the cost;
the film forming agent can effectively improve the adhesion between the photosensitive layer and the substrate and the photochemical reaction speed of the photosensitive layer, so that the auxiliary film forming agent can be well mixed with the photosensitive substance and has the same solubility with the photosensitive substance.
Detailed Description
In the following, technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The invention provides a technical scheme that:
a concrete silicon fluorine protective agent for concrete surface treatment and a preparation method thereof comprise the following components in parts by weight: 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent, 2-5 parts of auxiliary thickening agent, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water.
The concrete silicon fluorine protective agent for concrete surface treatment and the preparation method thereof comprise the following steps:
s1, weighing the following components: sequentially weighing 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming assistant, 1-3 parts of anticorrosion assistant, 1-3 parts of mildew-proof assistant, 2-5 parts of auxiliary thickener, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water according to the mass components;
s2, mixing organic polymer fluorosilicate: placing 20-30 parts of organic polymer fluosilicate into a stirrer, and injecting the weighed semiwater to ensure that the stirrer stirs for 20-30 min;
s3, mixing and adding auxiliary agents: in the operation process of a stirrer, sequentially adding 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent and 2-3 parts of wetting agent into the stirrer, and stirring for 10-30min by the stirrer to prepare a mixture A;
s4, condensation molding: sequentially adding 1-3 parts of calcium silicate hydrate gel powder and 0-2 parts of cellulose ether into the mixture A, and mixing and stirring for 10-10min by using a stirrer to prepare a mixture B;
s5, preparing and molding the concrete silicon-fluorine protective agent: and sequentially adding 2-5 parts of auxiliary film-forming agent and 2-5 parts of auxiliary thickening agent into the mixture B, injecting the other half of water into the stirrer, mixing for 20-40min by using the stirrer, and standing for 2 hours to prepare the concrete silicon fluorine protective agent.
The fluosilicate is one or two of sodium fluosilicate and magnesium fluosilicate.
The auxiliary dispersant is at least one of homopolymer, oxidized homopolymer, ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer and low molecular ionomer.
The defoaming auxiliary agent is at least one of emulsified silicone oil, high-alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether.
The antiseptic auxiliary agent is at least one of phenyl mercury oleate, organic copper salt, inorganic salt copper sulfate, mercuric chloride and sodium fluoride.
The mildew-proof adjuvant is at least one of phenol, chlorocresol, thymol, propionic acid, dehydroacetic acid and glutaraldehyde.
The auxiliary thickener is a homopolymer or copolymer emulsion thickener of acrylic acid and methacrylic acid.
The auxiliary film forming agent is at least one of benzyl alcohol, dodecyl alcohol ester, propylene glycol butyl ether and propylene glycol methyl ether acetate.
The wetting agent is a wetting agent comprising anionic and nonionic surfactants, the anionic surfactant is at least one of alkyl sulfate, sulfonate and fatty acid or fatty acid ester sulfate, and the nonionic surfactant is at least one of polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A concrete silicon fluorine protective agent for concrete surface treatment and a preparation method thereof are characterized by comprising the following components in parts by weight: 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent, 2-5 parts of auxiliary thickening agent, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water.
2. The concrete surface treatment silicon fluorine protective agent and the preparation method thereof according to claim 1, wherein the concrete surface treatment silicon fluorine protective agent and the preparation method thereof comprise the following steps:
s1, weighing the following components: sequentially weighing 20-30 parts of organic polymer fluosilicate, 1-3 parts of calcium silicate hydrate gel powder, 0-2 parts of cellulose ether, 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming assistant, 1-3 parts of anticorrosion assistant, 1-3 parts of mildew-proof assistant, 2-5 parts of auxiliary thickener, 2-5 parts of auxiliary film-forming agent, 2-3 parts of wetting agent and the balance of water according to the mass components;
s2, mixing organic polymer fluorosilicate: placing 20-30 parts of organic polymer fluosilicate into a stirrer, and injecting the weighed semiwater to ensure that the stirrer stirs for 20-30 min;
s3, mixing and adding auxiliary agents: in the operation process of a stirrer, sequentially adding 1-5 parts of auxiliary dispersant, 1-2 parts of defoaming auxiliary agent, 1-3 parts of anticorrosion auxiliary agent, 1-3 parts of mildew-proof auxiliary agent and 2-3 parts of wetting agent into the stirrer, and stirring for 10-30min by the stirrer to prepare a mixture A;
s4, condensation molding: sequentially adding 1-3 parts of calcium silicate hydrate gel powder and 0-2 parts of cellulose ether into the mixture A, and mixing and stirring for 10-10min by using a stirrer to prepare a mixture B;
s5, preparing and molding the concrete silicon-fluorine protective agent: and sequentially adding 2-5 parts of auxiliary film-forming agent and 2-5 parts of auxiliary thickening agent into the mixture B, injecting the other half of water into the stirrer, mixing for 20-40min by using the stirrer, and standing for 2 hours to prepare the concrete silicon fluorine protective agent.
3. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the fluosilicate is one or two of sodium fluosilicate and magnesium fluosilicate.
4. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the auxiliary dispersant is at least one of homopolymer, oxidized homopolymer, ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer and low molecular ionomer.
5. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the defoaming auxiliary agent is at least one of emulsified silicone oil, a high-alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether.
6. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the anticorrosion auxiliary agent is at least one of phenyl mercury oleate, organic copper salt, inorganic salt copper sulfate, mercuric chloride and sodium fluoride.
7. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the mildew-proof auxiliary agent is at least one of phenol, chlorocresol, thymol, propionic acid, dehydroacetic acid and glutaraldehyde.
8. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the auxiliary thickener is a homopolymer or copolymer emulsion thickener of acrylic acid and methacrylic acid.
9. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the auxiliary film forming agent is at least one of benzyl alcohol, dodecyl alcohol ester, propylene glycol butyl ether and propylene glycol methyl ether acetate.
10. The concrete fluorine-containing protective agent for concrete surface treatment and the preparation method thereof according to claim 1 are characterized in that: the wetting agent is a wetting agent comprising anionic and nonionic surfactants, the anionic surfactant is at least one of alkyl sulfate, sulfonate and fatty acid or fatty acid ester sulfate, and the nonionic surfactant is at least one of polyoxyethylene alkylphenol ether, polyoxyethylene fatty alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
CN202010602734.2A 2020-06-29 2020-06-29 Concrete silicon-fluorine protective agent for concrete surface treatment and preparation method thereof Pending CN112094135A (en)

Priority Applications (1)

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CN202010602734.2A CN112094135A (en) 2020-06-29 2020-06-29 Concrete silicon-fluorine protective agent for concrete surface treatment and preparation method thereof

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Application Number Priority Date Filing Date Title
CN202010602734.2A CN112094135A (en) 2020-06-29 2020-06-29 Concrete silicon-fluorine protective agent for concrete surface treatment and preparation method thereof

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CN112094135A true CN112094135A (en) 2020-12-18

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947582A (en) * 2018-07-05 2018-12-07 成都宏基建材股份有限公司 A kind of faced concrete surface protective agent and its application method with anti-graffiti function
US20190276372A1 (en) * 2016-11-25 2019-09-12 Shenzhen University Concrete protective agent and preparation method thereof, and concrete protective film and preparation method thereof
CN111018562A (en) * 2019-12-12 2020-04-17 中路园林有限公司 Bare concrete protective agent

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190276372A1 (en) * 2016-11-25 2019-09-12 Shenzhen University Concrete protective agent and preparation method thereof, and concrete protective film and preparation method thereof
CN108947582A (en) * 2018-07-05 2018-12-07 成都宏基建材股份有限公司 A kind of faced concrete surface protective agent and its application method with anti-graffiti function
CN111018562A (en) * 2019-12-12 2020-04-17 中路园林有限公司 Bare concrete protective agent

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Application publication date: 20201218