CN112961521A - High-corrosion-resistance reinforcing coating for underground passage - Google Patents

High-corrosion-resistance reinforcing coating for underground passage Download PDF

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Publication number
CN112961521A
CN112961521A CN202110142760.6A CN202110142760A CN112961521A CN 112961521 A CN112961521 A CN 112961521A CN 202110142760 A CN202110142760 A CN 202110142760A CN 112961521 A CN112961521 A CN 112961521A
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percent
agent
bottom layer
layer
balance
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黄生旺
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
    • C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention belongs to the technical field of coatings, and particularly relates to a high-corrosion-resistance reinforced coating for an underground passage, which is provided with three layers including a bottom layer, a middle layer and a surface layer; the middle layer is arranged between the bottom layer and the surface layer, and the bottom layer is uniformly coated on the surface of the substrate. According to the invention, under the guidance of water, the fatty alcohol-polyoxyethylene ether, the pure silicate cement and the quartz sand in the bottom layer can permeate into the concrete and generate hydration reaction with calcium hydroxide in a concrete mixture to generate water-insoluble crystals so as to fill and block capillary pores and shrinkage cracks of the concrete, and the bottom layer with the concentration of 3% has the best improvement effect; the surface layer adopts acrylic emulsion, so that the reinforced coating has the effects of high weather resistance, high fullness, high elasticity, high hardness and corrosion resistance.

Description

High-corrosion-resistance reinforcing coating for underground passage
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a high-corrosion-resistance reinforcing coating for an underground passage.
Background
The existing reinforcing coating for the underground passage can not fill the coating and concrete materials of the underground passage under the anti-seepage treatment, the anti-seepage effect is poor, and the underground passage is relatively humid and easy to corrode, so that the development of a high-corrosion-resistance reinforcing coating for the underground passage with a good anti-seepage effect is urgently needed.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects that the existing reinforcing coating for the underground passage cannot fill the coating and a concrete material of the underground passage under the anti-seepage treatment, the anti-seepage effect is poor, and the underground passage is relatively humid and easy to corrode, the invention provides the high-corrosion-resistance reinforcing coating for the underground passage with the good anti-seepage effect.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a high-corrosion-resistance reinforcing coating for an underground passage, which is provided with three layers including a bottom layer, a middle layer and a surface layer;
the middle layer is positioned between the bottom layer and the surface layer, and the bottom layer is uniformly coated on the surface of the substrate;
the bottom layer is counted according to the total mass fraction of 100 percent, and the formula comprises 1.2 to 1.5 percent of fatty alcohol-polyoxyethylene ether, 0.8 to 1.1 percent of pure portland cement, 0.4 to 1 percent of quartz sand and the balance of deionized water;
the middle layer is counted according to the total mass fraction of 100 percent, and the formula comprises 70 to 80 percent of CW epoxy resin, 0.15 to 0.3 percent of wetting agent, 0.15 to 0.2 percent of dispersing agent, 0.4 to 0.6 percent of defoaming agent and 0.4 to 0.6 percent of film forming agent
Auxiliary agent, 0.4-0.6% of thickening agent and the balance of deionized water;
the surface layer is counted according to the total mass fraction of 100 percent, and the formula comprises 70 to 80 percent of acrylic emulsion, 0.3 to 0.5 percent of wetting agent, 0.5 to 0.7 percent of defoaming agent, 0.8 to 1.2 percent of flatting agent, 0.4 to 0.6 percent of film-forming auxiliary agent, 0.4 to 0.6 percent of dispersing agent and the balance of deionized water.
Further, the concentration of the bottom layer is 1-3%.
Further, the underlayer concentration is 3%.
Further, the bottom layer is counted according to the total mass fraction of 100%, and the formula comprises 1.5% of fatty alcohol-polyoxyethylene ether, 1% of pure portland cement, 1% of quartz sand and the balance of deionized water.
Further, the middle layer is counted according to the total mass fraction of 100%, and the formula comprises 76% of CW epoxy resin, 0.2% of wetting agent, 0.2% of dispersing agent, 0.5% of defoaming agent, 0.5% of film forming auxiliary agent, 0.5% of thickening agent and the balance of deionized water.
Further, the surface layer is counted according to the total mass fraction of 100%, and the formula of the surface layer comprises 75% of acrylic emulsion, 0.5% of wetting agent, 0.5% of defoaming agent, 0.8% of flatting agent, 0.6% of film-forming assistant, 0.6% of dispersing agent and the balance of deionized water.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, under the guidance of water, the fatty alcohol-polyoxyethylene ether, the pure silicate cement and the quartz sand in the bottom layer can permeate into the concrete and generate hydration reaction with calcium hydroxide in a concrete mixture to generate water-insoluble crystals so as to fill and block capillary pores and shrinkage cracks of the concrete, and the bottom layer with the concentration of 3% has the best improvement effect; the surface layer adopts acrylic emulsion, so that the reinforced coating has the effects of high weather resistance, high fullness, high elasticity, high hardness and corrosion resistance.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of a reinforced coating structure of the present invention.
Detailed Description
In the technical scheme:
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Known from fig. 1: a high-corrosion-resistance reinforcing coating for an underground passage is provided with three layers, including a bottom layer, a middle layer and a surface layer; the middle layer is positioned between the bottom layer and the surface layer, the bottom layer is uniformly coated on the surface of the matrix, and the surface of the matrix is the surface of the concrete matrix of the underground passage;
example (b):
the bottom layer is counted according to the total mass fraction of 100 percent, and the formula comprises 1.5 percent of fatty alcohol-polyoxyethylene ether, 1 percent of pure portland cement, 1 percent of quartz sand and the balance of deionized water; the concentration is 3%;
the middle layer is counted according to the total mass fraction of 100 percent, and the formula comprises 76 percent of CW epoxy resin and 0.2 percent of CW epoxy resin
Wetting agent, 0.2% dispersing agent, 0.5% defoaming agent, 0.5% film-forming assistant, 0.5% thickening agent and the balance of deionized water;
the surface layer is counted according to the total mass fraction of 100 percent, and the formula comprises 75 percent of acrylic emulsion and 0.5 percent of acrylic emulsion
Wetting agent, 0.5% of defoaming agent, 0.8% of flatting agent, 0.6% of film-forming assistant, 0.6% of dispersing agent and the balance of deionized water.
The fatty alcohol-polyoxyethylene ether has liquid material with strong penetrability, fast drying, high wear resistance, high chemical resistance and high water resistance, and can react with concrete and stone components to solidify the concrete components into one solid entity.
The acrylic emulsion has high solid content, can obtain a thick coating film by one-time coating, has excellent mechanical properties, and can be prepared into a coating with high weather resistance, high fullness, high elasticity and high hardness.
According to the invention, under the guidance of water, the fatty alcohol-polyoxyethylene ether, the pure silicate cement and the quartz sand in the bottom layer can permeate into the concrete and generate hydration reaction with calcium hydroxide in a concrete mixture to generate water-insoluble crystals so as to fill and block capillary pores and shrinkage cracks of the concrete, and the bottom layer with the concentration of 3% has the best improvement effect; the surface layer adopts acrylic emulsion, so that the reinforced coating has the effects of high weather resistance, high fullness, high elasticity, high hardness and corrosion resistance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The high-corrosion-resistance reinforcing coating for the underground passage is characterized by comprising the following components in parts by weight:
the reinforced coating is provided with three layers including a bottom layer, a middle layer and a surface layer; the middle layer is positioned between the bottom layer and the surface layer, and the bottom layer is uniformly coated on the surface of the substrate;
the bottom layer is counted according to the total mass fraction of 100 percent, and the formula comprises 1.2 to 1.5 percent of fatty alcohol-polyoxyethylene ether, 0.8 to 1.1 percent of pure portland cement, 0.4 to 1 percent of quartz sand and the balance of deionized water;
the middle layer is counted according to the total mass fraction of 100 percent, and the formula comprises 70 to 80 percent of CW epoxy resin, 0.15 to 0.3 percent of wetting agent, 0.15 to 0.2 percent of dispersing agent, 0.4 to 0.6 percent of defoaming agent, 0.4 to 0.6 percent of film forming auxiliary agent, 0.4 to 0.6 percent of thickening agent and the balance of deionized water;
the surface layer is counted according to the total mass fraction of 100 percent, and the formula comprises 70 to 80 percent of acrylic emulsion, 0.3 to 0.5 percent of wetting agent, 0.5 to 0.7 percent of defoaming agent, 0.8 to 1.2 percent of flatting agent, 0.4 to 0.6 percent of film-forming auxiliary agent, 0.4 to 0.6 percent of dispersing agent and the balance of deionized water.
2. The high corrosion resistance reinforced coating for underground passages according to claim 1, wherein: the concentration of the bottom layer is 1-3%.
3. The high corrosion resistance reinforced coating for underground passages according to claim 2, wherein: the concentration of the bottom layer is 3%.
4. The high corrosion resistance reinforced coating for underground passages according to claim 1, wherein: the bottom layer is counted according to the total mass fraction of 100%, and the formula comprises 1.5% of fatty alcohol-polyoxyethylene ether, 1% of pure portland cement, 1% of quartz sand and the balance of deionized water.
5. The high corrosion resistance reinforced coating for underground passages according to claim 1, wherein: the middle layer is counted according to the total mass fraction of 100%, and the formula comprises 76% of CW epoxy resin, 0.2% of wetting agent, 0.2% of dispersing agent, 0.5% of defoaming agent, 0.5% of film forming auxiliary agent, 0.5% of thickening agent and the balance of deionized water.
6. The high corrosion resistance reinforced coating for underground passages according to claim 1, wherein: the surface layer is counted according to the total mass fraction of 100%, and the formula comprises 75% of acrylic emulsion, 0.5% of wetting agent, 0.5% of defoaming agent, 0.8% of flatting agent, 0.6% of film-forming assistant, 0.6% of dispersing agent and the balance of deionized water.
CN202110142760.6A 2021-02-02 2021-02-02 High-corrosion-resistance reinforcing coating for underground passage Pending CN112961521A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115044259A (en) * 2022-05-27 2022-09-13 昆明璋润涂装工程有限公司 Micro cement coating and construction method thereof

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CN103450719A (en) * 2013-09-09 2013-12-18 武汉武大巨成加固实业有限公司 Long-acting water-soluble and environmentally-friendly steel structural protective coating
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US20150044450A1 (en) * 2012-03-06 2015-02-12 Nippon Steel & Sumitomo Metal Corporation Precoated metal sheet for automobile use excellent in resistance weldability, corrosion resistance, and formability
CN108264297A (en) * 2018-03-13 2018-07-10 合肥雅克丽新型建材有限公司 High-performance concrete for building and preparation method thereof
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CN108395816A (en) * 2018-03-23 2018-08-14 内蒙古高远工程科技发展有限公司 A kind of cement concrete anti-collision wall anticorrosive coating and preparation method thereof

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WO2013113152A1 (en) * 2012-01-31 2013-08-08 Celanese International Corporation Vinyl acetate-ethylene copolymer emulsion and polymer cement waterproof composition based on the same
US20150044450A1 (en) * 2012-03-06 2015-02-12 Nippon Steel & Sumitomo Metal Corporation Precoated metal sheet for automobile use excellent in resistance weldability, corrosion resistance, and formability
CN103043969A (en) * 2012-12-30 2013-04-17 山西四建集团有限公司 Crystalline-type waterproof paint for preventing cement leakage
CN103450719A (en) * 2013-09-09 2013-12-18 武汉武大巨成加固实业有限公司 Long-acting water-soluble and environmentally-friendly steel structural protective coating
CN103555177A (en) * 2013-11-06 2014-02-05 展辰涂料集团股份有限公司 Waterproof acid-proof paint as well as preparation method and application thereof
CN108316667A (en) * 2018-02-05 2018-07-24 江苏苏博特新材料股份有限公司 A kind of preparation method of protection and the system of reparation for concrete base layer surface
CN108264297A (en) * 2018-03-13 2018-07-10 合肥雅克丽新型建材有限公司 High-performance concrete for building and preparation method thereof
CN108395816A (en) * 2018-03-23 2018-08-14 内蒙古高远工程科技发展有限公司 A kind of cement concrete anti-collision wall anticorrosive coating and preparation method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115044259A (en) * 2022-05-27 2022-09-13 昆明璋润涂装工程有限公司 Micro cement coating and construction method thereof

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Application publication date: 20210615