CN111100531A - Waterborne epoxy antistatic floor bottom and intermediate coating and construction process thereof - Google Patents
Waterborne epoxy antistatic floor bottom and intermediate coating and construction process thereof Download PDFInfo
- Publication number
- CN111100531A CN111100531A CN201911285693.2A CN201911285693A CN111100531A CN 111100531 A CN111100531 A CN 111100531A CN 201911285693 A CN201911285693 A CN 201911285693A CN 111100531 A CN111100531 A CN 111100531A
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- component
- resin
- cured
- waterborne epoxy
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Classifications
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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
- 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
- C09D5/002—Priming 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting 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
- C09D7/80—Processes for incorporating ingredients
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
- Floor Finish (AREA)
Abstract
The utility model provides a bottom of waterborne epoxy antistatic terrace, well scribble coating and construction process thereof, a bottom of waterborne epoxy antistatic terrace, well scribble coating comprises A second two components, and A component comprises following mass percent component: 20-30% of a II-generation waterborne epoxy resin curing agent; 40-59% of water; 0.1-1% of a dispersant; the component B consists of bisphenol A epoxy resin and an active diluent, and is characterized by also comprising composite conductive resin, the composite conductive resin is compounded with conductive graphite powder or metal powder, and the total volume ratio of the composite resin to the component A and the component B is 1:10-1: 5. In construction, when the grinding particles are used, a spraying process is adopted, the composite resin powder is sprayed with the liquid, when the light-cured resin is used, the light-cured resin is firstly sprayed, and the component A and the component B are sprayed after semi-curing. The coating and the process can ensure the uniformity of the wire and the stable antistatic effect.
Description
Technical Field
The invention relates to a water-based epoxy antistatic floor bottom and middle coating and a preparation method thereof, belonging to the technical field of coatings.
Background
Epoxy resin is a common prime coat and intermediate coat material, has excellent comprehensive performance, excellent insulating property after curing, and resistivity of more than 1 x 1016 omega cm, and is easy to form static accumulation. The application and development of the antistatic terrace coating are firstly the development and application of the conductive coating and secondly the higher and higher antistatic requirements of modern production, life and commercial activities on the ground.
The solvent type epoxy terrace contains a large amount of organic solvents, has serious environmental pollution, low safety coefficient in the processes of production, transportation and use, has hidden troubles of combustion and explosion, has poor wet adhesion and is required to be used in a dry environment.
The water-based epoxy resin coating can be constructed on the surface of wet or newly poured concrete, has good adhesive force on the surface of the concrete, can seal water vapor of a concrete capillary, and is suitable for being used as a concrete seal primer. The solvent type or water-based epoxy floor coating can be constructed on the sealing primer.
In the prior art, Chinese patent (CN201310436226.1 a water-based epoxy antistatic floor bottom, middle coating and preparation method thereof) discloses that the coating is composed of a component A and a component B, wherein the component A is composed of a II-substituted water-based epoxy resin curing agent, water, conductive graphite and a dispersing agent, and the component B is composed of bisphenol A epoxy resin and a diluting agent; the preparation method comprises dispersing conductive graphite in aqueous solution of II-generation waterborne epoxy resin curing agent through dispersant, grinding to obtain component A, and adding corresponding component B to obtain the final product; the coating is environment-friendly, good in safety and antistatic property, simple and rapid in preparation method, low in cost and capable of being produced industrially. In order to enable the epoxy terrace to have the antistatic capability, 20-30% of conductive graphite is added into the coating. Through tests, after the conductive graphite is added, the dispersion is unstable, and the stable full-range conductive effect cannot be formed.
Disclosure of Invention
The invention aims to provide a water-based epoxy antistatic floor bottom and middle coating with stable airway antistatic effect and a coating construction process.
In order to realize the purpose, the water-based epoxy antistatic floor bottom and the middle coating with the stable air passage antistatic effect are composed of two components, namely a component A and a component B, wherein the component A is composed of the following components in percentage by mass:
20-30% of a II-generation waterborne epoxy resin curing agent;
40-59% of water;
0.1-1% of a dispersant;
the component B consists of bisphenol A type epoxy resin and active diluent and is characterized in that,
the composite conductive resin is compounded with conductive graphite powder or metal powder, and the total volume ratio of the composite resin to the A component and the B component is 1:10-1: 5.
Preferably, the composite conductive resin uses a water-soluble resin.
Further, adding graphite powder or metal powder into the resin liquid according to the volume ratio of 1:1.5-1:2, uniformly mixing, curing, crushing and grinding into powder particles with the particle size of 0.1-0.3 mm.
Further, when graphite is used, the graphite is a block solid, and the graphite block and the water-soluble resin liquid are ground together by using a roller mill or a conical mill; after the grinding is finished, directly adding a curing agent into the grinding equipment, and solidifying while grinding to finally obtain solid powder with the particle size of 0.1-0.3 mm.
Further, when metal powder is used as a conductor and resin liquid and metal powder are mixed, air is introduced into the resin liquid, the air introduction volume ratio is 10% -15%, a curing agent is added, and the resin liquid is spread and cured, wherein the spreading thickness is 3-5 mm. Thus facilitating subsequent grinding.
Preferably, the composite conductive resin uses a photocurable resin.
Further, the metal powder and the resin liquid are mixed according to a certain proportion and are pneumatically injected, and ultraviolet light irradiation is carried out within the injection range, so that the liquid is solidified or semi-solidified before falling to the ground.
A construction process comprises the steps of adding graphite powder or metal powder into resin liquid in a volume ratio of 1:1.5-1:2, uniformly mixing, spraying or brushing on the ground, semi-curing under illumination, spraying or brushing an A component and a B component, and curing the light-cured resin by secondary illumination when the A component and the B component are semi-cured. The light-cured resin plays a role in conducting electricity, the light-cured resin is tightly combined with the A component and the B component in a semi-cured state, and secondary illumination is carried out until the A component and the B component are in the semi-cured state, so that the A component and the B component reach a final hardened state.
The invention has the advantages of effectively ensuring the uniform dispersion of the conductive substance, stabilizing the subsequent conductive effect and ensuring the antistatic effect and grade after construction.
Detailed Description
The invention is described in detail below.
A waterborne epoxy antistatic floor bottom and a middle coating are composed of a component A and a component B, wherein the component A is composed of the following components in percentage by mass:
20-30% of a II-generation waterborne epoxy resin curing agent;
40-59% of water;
0.1-1% of a dispersant;
the component B consists of bisphenol A type epoxy resin and active diluent,
the composite conductive resin can be water-soluble resin or light-cured resin, the composite conductive resin is compounded with conductive graphite powder or metal powder, and the total volume ratio of the composite resin to the component A and the component B is 1:10-1: 5.
The water-soluble resin is ground into powder when in use, and the particle size is 0.15-0.3 mm.
The photocurable resin is used as a liquid or solid.
When the water-soluble resin is prepared, graphite powder or metal powder is added into resin liquid according to the volume ratio of 1:1.5-1:2, the resin liquid is uniformly mixed and solidified, and the mixture is crushed and ground into powder particles, wherein when the graphite powder or the metal powder is mixed, the particle size of the ground powder is 0.1-0.3 mm. The graphite may be a block solid, and when a block solid is used, the graphite block and the water-soluble resin liquid may be ground together by using a roll mill or a conical mill. After the grinding is finished, directly adding a curing agent into the grinding equipment, and grinding while curing to finally obtain solid powder.
When the metal powder is used as a conductor and the resin liquid and the metal powder are mixed, air is introduced into the resin liquid, the air introduction volume ratio is 10-15%, the curing agent is added, and the resin liquid is spread and cured, wherein the spreading thickness is 3-5 mm. Thus facilitating subsequent grinding.
When laying or pouring, the spray gun is used for spraying the two materials on the ground simultaneously. When the water-soluble resin powder and the water-based epoxy resin are sprayed together, the water-soluble resin powder and the water-based epoxy resin can be well mixed, and the uniformity is ensured. Meanwhile, due to the existence of the water-soluble resin, the water-soluble resin can be slowly dissolved in the resin liquid, but the diffusion range is limited, so that the stability of the conductive performance is ensured.
The light-cured resin can be liquid or solid powder, when the solid powder is used, the metal powder and the resin liquid are mixed according to a certain proportion and are pneumatically sprayed, ultraviolet light is irradiated in the spraying range, and the light-cured resin can be cured within 5-10s generally. Therefore, the operation can be carried out on the laying site, and during construction, after the ground is cleaned, the photo-curing resin powder grinding particles containing graphite powder or metal powder can be sprayed and cured firstly. Or after the component A and the component B are poured, the light-cured resin powder particles containing graphite powder or metal powder are sprayed and cured.
When the light-cured resin is prepared, adding graphite powder or metal powder into resin liquid in a volume ratio of 1:1.5-1:2, uniformly mixing, spraying or brushing on the ground, semi-curing under illumination, spraying or brushing the component A and the component B, and curing the light-cured resin by secondary illumination when the component A and the component B are semi-cured. The light-cured resin plays a role in conducting electricity, the light-cured resin is tightly combined with the A component and the B component in a semi-cured state, and secondary illumination is carried out until the A component and the B component are in the semi-cured state, so that the A component and the B component reach a final hardened state.
The mass ratio of the bisphenol A type epoxy resin to the reactive diluent in the component B is 70-95: 5-30.
The reactive diluent comprises one or more of butyl glycidyl ether, octyl glycidyl ether, dodecyl-tetradecyl glycidyl ether, ethylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, trihydroxymethyl triglycidyl ether, 1, 4-butanediol diglycidyl ether, polyethylene glycol diglycidyl ether, polypropylene glycol diglycidyl ether, 1, 6-hexanediol diglycidyl ether and tert-carbonic acid glycidyl ester.
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 (8)
1. The water-based epoxy antistatic floor bottom and middle coating comprises two components, namely a component A and a component B, wherein the component A comprises the following components in percentage by mass:
20-30% of a II-generation waterborne epoxy resin curing agent;
40-59% of water;
0.1-1% of a dispersant;
the component B consists of bisphenol A type epoxy resin and active diluent and is characterized in that,
the composite conductive resin is compounded with conductive graphite powder or metal powder, and the total volume ratio of the composite resin to the A component and the B component is 1:10-1: 5.
2. The waterborne epoxy antistatic floor bottom and middle coating of claim 1, wherein the composite conductive resin is water-soluble resin.
3. The waterborne epoxy antistatic floor bottom and middle coating as claimed in claim 2, wherein the graphite powder or metal powder is added into the resin liquid in a volume ratio of 1:1.5-1:2, and after being uniformly mixed and cured, the mixture is crushed and ground into powder particles with a particle size of 0.1-0.3 mm.
4. The waterborne epoxy antistatic floor bottom and middle coating of claim 2, wherein when graphite is used, the graphite is a block solid, and the graphite block and the water-soluble resin liquid are ground together by using a roller mill or a cone mill; after the grinding is finished, directly adding a curing agent into the grinding equipment, and solidifying while grinding to finally obtain solid powder with the particle size of 0.1-0.3 mm.
5. The waterborne epoxy antistatic floor bottom and middle coating of claim 2 is characterized in that when metal powder is used as a conductor and resin liquid and metal powder are mixed, air is introduced into the resin liquid, the volume ratio of the introduced air is 10-15%, curing agent is added, and the resin liquid is flatly laid and cured, wherein the flatly laid thickness is 3-5 mm. Thus facilitating subsequent grinding.
6. The waterborne epoxy antistatic floor bottom and middle coating of claim 1, wherein the composite conductive resin is a photo-curable resin.
7. The waterborne epoxy antistatic floor bottom and middle coating as claimed in claim 6, wherein the metal powder and the resin liquid are mixed according to a certain proportion and pneumatically sprayed, and ultraviolet light is irradiated within the spraying range to cure or semi-cure the liquid before falling to the ground.
8. A construction process of the waterborne epoxy antistatic terrace bottom and middle coating according to claim 6 comprises the steps of adding graphite powder or metal powder into resin liquid in a volume ratio of 1:1.5-1:2, uniformly mixing, spraying or brushing on the ground, irradiating for semi-curing, spraying or brushing the component A and the component B, and irradiating for a second time to cure the light-cured resin when the component A and the component B are semi-cured. The light-cured resin plays a role in conducting electricity, the light-cured resin is tightly combined with the A component and the B component in a semi-cured state, and secondary illumination is carried out until the A component and the B component are in the semi-cured state, so that the A component and the B component reach a final hardened state.
Priority Applications (1)
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CN201911285693.2A CN111100531A (en) | 2019-12-13 | 2019-12-13 | Waterborne epoxy antistatic floor bottom and intermediate coating and construction process thereof |
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CN201911285693.2A CN111100531A (en) | 2019-12-13 | 2019-12-13 | Waterborne epoxy antistatic floor bottom and intermediate coating and construction process thereof |
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CN111100531A true CN111100531A (en) | 2020-05-05 |
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CN201911285693.2A Withdrawn CN111100531A (en) | 2019-12-13 | 2019-12-13 | Waterborne epoxy antistatic floor bottom and intermediate coating and construction process thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111622458A (en) * | 2020-05-25 | 2020-09-04 | 杨华 | Anti-fouling water-based terrace and construction method thereof |
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CN106009517A (en) * | 2016-06-22 | 2016-10-12 | 中北大学 | Conductive epoxy resin/nickel-plated carbon fiber composite foam and preparation method thereof |
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2019
- 2019-12-13 CN CN201911285693.2A patent/CN111100531A/en not_active Withdrawn
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111622458A (en) * | 2020-05-25 | 2020-09-04 | 杨华 | Anti-fouling water-based terrace and construction method thereof |
CN111622458B (en) * | 2020-05-25 | 2021-07-20 | 杨华 | Anti-fouling water-based terrace and construction method thereof |
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Application publication date: 20200505 |