CN113278321A - Stainless steel fiber anti-static floor paint coating and preparation method thereof - Google Patents

Stainless steel fiber anti-static floor paint coating and preparation method thereof Download PDF

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CN113278321A
CN113278321A CN202010101764.5A CN202010101764A CN113278321A CN 113278321 A CN113278321 A CN 113278321A CN 202010101764 A CN202010101764 A CN 202010101764A CN 113278321 A CN113278321 A CN 113278321A
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stainless steel
steel fiber
floor paint
component
paint coating
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CN113278321B (en
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吴晓春
汪洪
伍球
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Hunan Huitong Advanced Materials Co ltd
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Hunan Huitong Advanced Materials Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24Electrically-conducting paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/001Conductive additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/017Additives being an antistatic agent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/04Antistatic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)
  • Floor Finish (AREA)

Abstract

The invention discloses a stainless steel fiber anti-static floor paint coating and a preparation method thereof, wherein modified stainless steel fibers are dispersed in the stainless steel fiber anti-static floor paint coating, and the preparation method of the modified stainless steel fibers comprises the following steps: soaking stainless steel fibers in a surfactant, and drying for the first time after soaking to obtain continuous stainless steel fibers with amphiphilic surfaces; soaking the continuous stainless steel fiber with the amphiphilic surface in the glue solution, and drying for the second time to obtain the continuous stainless steel fiber containing the film layer; cutting to obtain the modified stainless steel fiber. The preparation method of the stainless steel fiber antistatic floor paint comprises the step of mixing the component A containing the modified stainless steel fiber with the component B to obtain the stainless steel fiber antistatic floor paint. The preparation method disclosed by the invention is simple in process, the stainless steel fibers are uniformly dispersed and fully overlapped to form a three-dimensional conductive network, the durability, limitation and conductive stability of the antistatic floor paint are solved, and the preparation method can be used in the fields of electronics industry, medicine, scientific research, aviation, chemistry and the like.

Description

Stainless steel fiber anti-static floor paint coating and preparation method thereof
Technical Field
The invention belongs to the technical field of floor paint, and particularly relates to a stainless steel fiber anti-static floor paint coating and a preparation method thereof.
Background
The stainless steel fiber is a novel industrial material, not only has the performances of high electric conductivity, high heat conductivity, high strength, high temperature resistance, corrosion resistance and the like, but also has the characteristics of chemical fiber and synthetic fiber; the internal structure, physical and chemical properties, surface properties and the like of the stainless steel fiber are obviously changed in the fiberization process, the stainless steel fiber has all the advantages of high elastic modulus, high bending resistance, tensile strength and the like inherent in metal materials, the stainless steel fiber is also called as a stainless steel ultra-thin wire, and the stainless steel fiber is an ultra-thin stainless steel wire. The stainless steel fiber is thinner than hair, softer than cotton, better than real silk hand feeling, has the characteristics of fineness and softness, and has the bright and beautiful metallic luster of the stainless steel fiber and the special functions of conducting electricity, shielding electromagnetic waves and the like. The method is widely applied to the industrial fields of petroleum, chemical industry, chemical fiber, electronics, textile, military, aviation, high polymer materials, environmental protection and the like.
The anti-static floor paint coating on the current market usually adds conductive fillers such as carbon black, conductive powder in the coating as conductive medium, and the anti-static floor paint with carbon black as conductive medium not only has dark color, but also can raise dust by carbon black after being used for a long time, resulting in the phenomenon of circuit short circuit and also polluting the environment. Carbon black and conductive powder are in contact with each other in the conductive paint to form a network, and a relatively large addition amount is generally added, so that the cost is increased on one hand, and the performance of the antistatic paint is influenced on the other hand.
The stainless steel fiber has a certain length-diameter ratio and excellent conductivity, and if the stainless steel fiber can be uniformly dispersed in the floor paint, a permanent conductive network can be formed by adding a small amount of the stainless steel fiber, so that the floor paint coating has excellent conductivity.
However, the stainless steel fiber floor paint prepared by the existing stainless steel fiber is easy to bond and agglomerate in the floor paint resin, so that the stainless steel cannot be uniformly and fully lapped to form a conductive network, the antistatic performance of the floor paint is influenced, and the appearance is influenced due to the appearance of particles on the surface of the floor paint. Therefore, the key technology of the floor paint is how to solve the problems that the modified stainless steel fiber is uniformly dispersed in the floor paint and keeps a certain length-diameter ratio.
Disclosure of Invention
In order to solve the problem that the stainless steel fibers cannot be uniformly dispersed in the antistatic floor paint and are agglomerated in the floor paint, the conductivity and the appearance of the floor paint are influenced. The invention aims to provide a stainless steel fiber antistatic floor paint coating and a preparation method thereof.
In order to achieve the aim, the invention adopts the following technical scheme:
the invention relates to a stainless steel fiber anti-static floor paint coating, wherein modified stainless steel fibers are dispersed in the stainless steel fiber anti-static floor paint coating, and the preparation method of the modified stainless steel fibers comprises the following steps:
immersing the bundled continuous stainless steel fibers into a solution containing a surfactant, fully soaking, and drying for the first time to obtain the continuous stainless steel fibers with the amphiphilic surfaces; soaking the continuous stainless steel fiber with the amphiphilic surface in the glue solution, and drying for the second time to obtain the continuous stainless steel fiber containing the film layer; cutting the continuous stainless steel fiber containing the film layer to obtain modified stainless steel fiber; the surfactant is one selected from alkyl glucoside, sorbitan monostearate, polysorbate and polyoxyethylene fatty acid ester.
In the invention, the bundled continuous stainless steel fibers are immersed into a specific surfactant for coupling modification treatment, dried at a specific temperature, and fully crosslinked by the surfactant, so that each of the bundled continuous stainless steel fibers has an amphiphilic surface, and then immersed into glue solution, and after the immersion is finished, the fibers are dried, so that each of the bundled continuous stainless steel fibers has an isolation diaphragm layer.
In a preferred embodiment, the surfactant is polyoxyethylene fatty acid ester.
In a preferable scheme, the mass fraction of the surfactant in the surfactant-containing solution is 0.5-5 wt%.
Preferably, the solvent of the surfactant is water or ethanol.
In a preferable scheme, the temperature of the first drying is 180-230 ℃, and the time of the first drying is 5-20 min. Drying at the temperature to ensure that the surfactant can be fully crosslinked, so that the formed amphiphilic surface and the stainless steel fiber have excellent bonding performance, and if the drying temperature is too low, insufficient crosslinking can be caused to influence the bonding performance.
Preferably, the glue solution is selected from one of polyurethane glue solution, acrylic glue solution and epoxy glue solution, and is preferably epoxy glue solution.
In the preferable scheme, the molecular weight of the glue solution is 4000-15000, and the viscosity is 20-200 mpa.s.
In a preferable scheme, the temperature of the second drying is 120-180 ℃, and the time of the second drying is 3-20 min.
In the preferable scheme, the quality of the film layer is controlled to be 1-20% of the weight percentage of the stainless steel fibers. The quality of the film layer is the quality of the film layer formed after the completion of immersion in the glue solution but before the drying treatment.
In a preferred scheme, the length of the modified stainless steel fiber is 0.1-5 mm, and the preferred length is 0.1-2 mm; more preferably 0.5 to 0.75 mm.
By controlling the length of the modified stainless steel fibers within the above range, the modified stainless steel fibers can be sufficiently dispersed, and excellent conductivity can be obtained with a small amount. If the length is too long, the dispersibility is affected, and if the length is too short, more modified stainless steel fibers need to be added to obtain the same conductive effect.
In the actual operation process, the stainless steel fiber coated with the film layer is cut off by a granulator.
In a preferred embodiment, the modified stainless steel fiber has a diameter of 1 to 20 μm, and preferably a diameter of 2 to 8 μm.
In the preferable scheme, the mass fraction of the modified stainless steel fiber in the stainless steel fiber antistatic floor paint coating is 0.3-10%, preferably 0.5-5%, and further preferably 1.5-2.5%.
In the invention, after the modified stainless steel fiber is obtained, the modified stainless steel fiber can be uniformly dispersed in the floor paint, and the preparation mode and the used raw materials of the floor paint can be realized by adopting the prior art, and only the modified stainless steel fiber is used as one component.
Preferably, the stainless steel fiber antistatic floor paint coating consists of a component A and a component B: wherein the component A comprises the following components in percentage by mass: 10-60 parts of modified stainless steel fiber, 30-60 parts of epoxy resin C and 5-20 parts of reactive diluent E, wherein the component B comprises the following components: 30-60 parts of epoxy resin D, 20-40 parts of reactive diluent F, 1-5 parts of flatting agent, 0.1-0.5 part of defoaming agent, 0.2-0.8 part of dispersing agent and 3-20 parts of curing agent, wherein the addition amount of the component A is 3-15% of the mass percent of the component B, and preferably 6-8%.
More preferably, the epoxy resin C and the epoxy resin D are both bisphenol A type epoxy resins. The type of the epoxy resin is at least one selected from E-44 type, petrochemical 128, south Asia 128, E-34 type in the prior art.
In the present invention, the reactive diluent used is a reactive diluent of floor paints commercially available in the prior art, such as at least one selected from AGE reactive diluents, spaic HELOXY H8, 692 reactive diluents.
Further preferably, the defoaming agent is at least one selected from silicone defoaming agents and polysiloxane compounds. Wherein the type of the organic silicon defoaming agent is preferably JQ-806, and the type of the polysiloxane compound is preferably one of HR-3108 and HR-3109.
In the invention, the dispersant used is a dispersant of floor paint which is commercially available in the prior art and can be selected from one of Okeno (AKN-298), SHXB (BOK-5432) and Yinghe (SP-980).
In the present invention, the leveling agent used is a leveling agent of a floor paint commercially available in the prior art, and may be selected from at least one of Okeno (AKN-1110) and Germany Merck (MOK-2020).
In the invention, the dispersant is a curing agent of floor paint which is commercially available in the prior art, and can be selected from at least one of Yuan spring (YQ-003) and Zhongzhiyuan (ZW-6105).
The invention discloses a preparation method of a stainless steel fiber antistatic floor paint coating, which comprises the following steps: mixing the raw materials in the component A according to a designed proportion, and stirring at the speed of 300-800 r/min for 1-2 h to obtain the component A; mixing the raw materials in the component B according to a designed proportion, and stirring at the speed of 500-800 revolutions per minute for 10-30 min to obtain the component B; and adding the component A into the component B, and uniformly stirring to obtain the stainless steel fiber antistatic floor paint coating.
The modified stainless steel fiber has an amphiphilic surface, so that the modified stainless steel fiber can be dispersed in an aqueous solution and a solvent-based solution simultaneously, and when the component A and the component B are mixed during preparation of the stainless steel fiber antistatic floor paint coating, the stainless steel fiber can be more easily and uniformly dispersed in the floor paint and fully overlapped to form a three-dimensional permanent conductive network.
Has the advantages that:
in the invention, bundle continuous stainless steel fiber is immersed into specific surface modifier for coupling modification treatment, dried at specific temperature, the surface active agent is fully crosslinked, so that each bundle continuous stainless steel fiber has an amphiphilic surface, and then glue solution is introduced, so that each bundle continuous stainless steel fiber has an isolation diaphragm layer. Each stainless steel fiber has good intermiscibility with the resin of the floor paint, and a layer of film is arranged in the middle of each stainless steel fiber for separation, so that the stainless steel fibers can be uniformly dispersed when being mixed with the resin of the floor paint.
The modified stainless steel fiber can be used for both water-based floor paint and solution-based floor paint, and can also be used for various resin floor paints, such as polyurethane, acrylic acid, epoxy resin and the like.
The invention discloses a stainless steel fiber antistatic floor paint coating and a preparation method thereof, wherein stainless steel fibers are modified, so that the stainless steel fibers have oleophilic and hydrophilic modified surfaces at the same time, each fiber is a layer of film and has good compatibility with various floor paint resins, and the modified stainless steel fibers are uniformly dispersed and fully overlapped by the resins under stirring to form a three-dimensional conductive network. The durability, limitation and conductive stability of the antistatic floor paint are solved.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments.
In the invention, in the component A, the epoxy resin is bisphenol A type epoxy resin: 128 of south Asia
Active diluent: AGE reactive diluents
In the component 5B, the epoxy resin is bisphenol A type epoxy resin: 128 of south Asia
Active diluent: AGE reactive diluents
Leveling agent: german merck (MOK-2020)
Defoaming agent: the model of the organic silicon defoaming agent is JQ-806
Dispersing agent: okeno (AKN-298)
Curing agent: zhongke Zhiyuan (ZW-6105)
Comparative example 1
In this comparative example 1, the stainless steel fiber used had a diameter of 6um, and the specific production process was:
1) a bundle of continuous stainless steel fibers is immersed into a surface treatment agent, namely a sulfo succinic acid tricosyl sodium salt ethanol solution (4%), subjected to coupling modification treatment, and dried in an oven at 220 ℃ for 10min on the premise of full infiltration.
2) Introducing polyester glue solution into the treated continuous stainless steel fibers to form an isolation film layer on the surface of each fiber in each bundle of stainless steel, wherein the weight percentage of the film layer to the stainless steel fibers is controlled to be 5 percent; drying in an oven at 160 deg.C for 5min.
3) The modified stainless steel fibers were cut into a length of 1mm by a cutter.
Wherein the component A is 7 percent of the component B by weight
Preparation of the component A:
30 parts of modified stainless steel fiber, 55 parts of epoxy resin and 15 parts of reactive diluent.
Putting into a container, stirring and mixing, and stirring at the speed of 400 r/min for 1h to obtain a component A;
as a result, the fibers were not dispersed at all, and the lower part operation was not performed.
Comparative example 2
In this embodiment 2, the diameter of the stainless steel fiber used is 6um, and the specific production process is as follows:
1) immersing a bundle of continuous stainless steel fibers into a surfactant dimethylacetoamine acetate aqueous solution (3%), and performing coupling modification treatment to enable the continuous stainless steel fibers to have lipophilic and hydrophilic modified surfaces; and (3) drying the mixture in an oven at 220 ℃ for 10min.
2) Introducing solvent epoxy resin into the treated continuous stainless steel fibers to form an isolation film layer on the surface of each fiber in each bundle of stainless steel, wherein the weight percentage of the film layer is controlled to be 5 percent (percent) of the stainless steel fibers; and (5) drying in an oven at 160 ℃ for 5min.
3) The modified stainless steel fibers were cut into a length of 1mm by a cutter.
Wherein the component A is 7 percent of the component B by weight
Preparation of the component A:
30 parts of modified stainless steel fiber, 55 parts of epoxy resin and 15 parts of reactive diluent
Putting into a container, stirring and mixing, and stirring at the speed of 400 r/min for 1h to obtain a component A;
the result was mostly non-dispersive and severe stratification with no sub-part working.
Comparative example 3
In this embodiment 3, the diameter of the stainless steel fiber used is 6um, and the specific production process is:
1) immersing a bundle of continuous stainless steel fibers in a solution containing fatty acid polyoxyethylene ester (surfactant), wherein the mass fraction of the fatty acid polyoxyethylene ester in the solution containing fatty acid polyoxyethylene ester is 2%, and performing coupling modification treatment to make the continuous stainless steel fibers have both oleophilic and hydrophilic modified surfaces; and (3) on the premise of sufficient infiltration, drying the mixture in an oven at 220 ℃ for 10min.
2) Introducing epoxy glue solution (molecular weight is 6000) with viscosity of 150mpa.s into the treated continuous stainless steel fibers, so that an isolation film layer is formed on the surface of each fiber in each bundle of stainless steel, and the weight percentage of the film layer on the stainless steel fibers is controlled to be 5 (%); and (5) drying in an oven at 160 ℃ for 5min.
3) The modified stainless steel fibers were cut into 7mm long pieces by a cutter.
Wherein the component A is 7 percent of the component B by weight
Preparation of the component A:
30 parts of modified stainless steel fiber, 55 parts of epoxy resin and 15 parts of reactive diluent,
putting into a container, stirring and mixing, and stirring at the speed of 400 r/min for 1h to obtain a component A;
as a result, the fibers are agglomerated and entangled.
Preparation of the component B:
40 parts of epoxy resin, 20 parts of active diluent, 0.4 part of defoaming agent, 0.5 part of dispersing agent, 3 parts of leveling agent and 15 parts of curing agent; placing into a container, stirring and mixing, and stirring at the speed of 500 r/min for 10min to obtain component B.
Adding the component A into the component B and stirring uniformly, wherein the component A is 7 (%) of the weight percentage of the component B.
A stainless steel fiber antistatic floor paint coating is provided.
In the test of the embodiment, a stainless steel fiber anti-static floor paint coating with the thickness of 0.6mm is brushed on an anti-static primer layer with the length of 100cm multiplied by 100cm in width and the thickness of 2 mm.
After the stainless steel fiber antistatic floor paint coating is naturally dried, a resistance surface tester is used for testing.
Each test was 5 different points, and 5 test data were recorded.
The surface appearance is judged by visual observation.
TABLE 1 test result of the performance of the stainless steel fiber antistatic floor paint coating of comparative example 3
Figure BDA0002387091980000071
Example 1
In this example 1, the diameter of the stainless steel fiber used is 6um, and the specific production process is as follows:
1) immersing a bundle of continuous stainless steel fibers into a solution containing fatty acid polyoxyethylene ester, wherein the mass fraction of the fatty acid polyoxyethylene ester in the solution containing the fatty acid polyoxyethylene ester is 2%, and performing coupling modification treatment to enable the continuous stainless steel fibers to have lipophilic and hydrophilic modified surfaces; and (3) drying the mixture in an oven at 220 ℃ for 10min.
2) Introducing epoxy glue solution (molecular weight is 6000) with viscosity of 150mpa.s into the treated continuous stainless steel fibers, so that an isolation film layer is formed on the surface of each fiber in each bundle of stainless steel, and the weight percentage of the film layer on the stainless steel fibers is controlled to be 5 (%); and (5) drying in an oven at 160 ℃ for 5min.
3) The modified stainless steel fibers were cut into a length of 1mm by a cutter.
Wherein the component A is 7 percent of the component B by weight
Preparation of the component A:
30 parts of modified stainless steel fiber, 55 parts of epoxy resin and 15 parts of reactive diluent
Putting into a container, stirring and mixing, and stirring at the speed of 400 r/min for 1h to obtain a component A;
preparation of the component B:
40 parts of epoxy resin, 20 parts of reactive diluent, 0.4 part of defoaming agent, 0.5 part of dispersing agent, 3 parts of leveling agent and 15 parts of curing agent are put into a container to be stirred and mixed, and the mixture is stirred at the speed of 500 revolutions per minute for 10 minutes to form a component B.
Adding the component A into the component B and stirring uniformly, wherein the component A is 7 (%) of the weight percentage of the component B.
A stainless steel fiber antistatic floor paint coating is provided.
In the test of the embodiment, a stainless steel fiber anti-static floor paint coating with the thickness of 0.6mm is brushed on an anti-static primer layer with the length of 100cm multiplied by 100cm in width and the thickness of 2 mm.
After the stainless steel fiber antistatic floor paint coating is naturally dried, a resistance surface tester is used for testing.
Each test was 5 different points, and 5 test data were recorded.
The surface appearance is judged by visual observation.
Table 2 test results of the performance of the stainless steel fiber antistatic floor paint coating of example 1
Figure BDA0002387091980000081
Example 2
In this embodiment 2, the diameter of the stainless steel fiber used is 6um, and the specific production process is as follows:
1) immersing a bundle of continuous stainless steel fibers into a solution containing fatty acid polyoxyethylene ester, wherein the mass fraction of the fatty acid polyoxyethylene ester in the solution containing the fatty acid polyoxyethylene ester is 2%, and performing coupling modification treatment to enable the continuous stainless steel fibers to have lipophilic and hydrophilic modified surfaces; and (3) drying the mixture in an oven at 220 ℃ for 10min.
2) Introducing epoxy glue solution (molecular weight is 6000) with viscosity of 150mpa.s into the treated continuous stainless steel fibers, so that an isolation film layer is formed on the surface of each fiber in each bundle of stainless steel, and the weight percentage of the film layer on the stainless steel fibers is controlled to be 5 (%); drying in an oven at 160 deg.C for 5min.
3) The modified stainless steel fibers were cut into a length of 0.75mm by a cutter.
Wherein the component A is 7 percent of the component B by weight
Preparation of the component A:
30 parts of modified stainless steel fiber, 55 parts of epoxy resin and 15 parts of reactive diluent
Putting into a container, stirring and mixing, and stirring at the speed of 400 r/min for 1h to obtain a component A;
preparation of the component B:
40 parts of epoxy resin, 20 parts of reactive diluent, 0.4 part of defoaming agent, 0.5 part of dispersing agent, 3 parts of leveling agent and 15 parts of curing agent are put into a container to be stirred and mixed, and the mixture is stirred at the speed of 500 revolutions per minute for 10 minutes to form a component B.
Adding the component A into the component B and stirring uniformly, wherein the component A is 10 (%) of the weight percentage of the component B.
A stainless steel fiber antistatic floor paint coating is provided.
In the test of the embodiment, a stainless steel fiber anti-static floor paint coating with the thickness of 0.6mm is brushed on an anti-static primer layer with the length of 100cm multiplied by 100cm in width and the thickness of 2 mm.
After the stainless steel fiber antistatic floor paint coating is naturally dried, a resistance surface tester is used for testing.
Each test was 5 different points, and 5 test data were recorded.
The surface appearance is judged by visual observation.
Table 3 test results of the performance of the stainless steel fiber antistatic floor paint coating of example 2
Figure BDA0002387091980000091
Example 3
In this embodiment 3, the diameter of the stainless steel fiber used is 6um, and the specific production process is:
1) immersing a bundle of continuous stainless steel fibers into a solution containing fatty acid polyoxyethylene ester, wherein the mass fraction of the fatty acid polyoxyethylene ester in the solution containing the fatty acid polyoxyethylene ester is 2%, and performing coupling modification treatment to enable the continuous stainless steel fibers to have lipophilic and hydrophilic modified surfaces; and (3) drying the mixture in an oven at 220 ℃ for 10min.
2) Introducing epoxy glue solution (molecular weight is 6000) with viscosity of 150mpa.s into the treated continuous stainless steel fibers to form an isolation film layer on the surface of each fiber in each stainless steel bundle, controlling the weight percentage of the film layer to be 5 (%) of the stainless steel fibers, and drying in an oven at the drying temperature of 160 ℃ for 5min.
3) The modified stainless steel fibers were cut into 0.5mm long by a cutter.
Wherein the component A is 8 percent of the component B by weight percentage
Preparation of the component A:
30 parts of modified stainless steel fiber, 55 parts of epoxy resin and 15 parts of reactive diluent
Putting into a container, stirring and mixing, and stirring at the speed of 400 r/min for 1h to obtain a component A;
preparation of the component B:
40 parts of epoxy resin, 20 parts of reactive diluent, 0.4 part of defoaming agent, 0.5 part of dispersing agent, 3 parts of leveling agent and 15 parts of curing agent are put into a container to be stirred and mixed, and the mixture is stirred at the speed of 500 revolutions per minute for 10 minutes to form a component B.
Adding the component A into the component B and stirring uniformly, wherein the component A is 10 (%) of the weight percentage of the component B.
A stainless steel fiber antistatic floor paint coating is provided.
In the test of the embodiment, a stainless steel fiber anti-static floor paint coating with the thickness of 0.6mm is brushed on an anti-static primer layer with the length of 100cm multiplied by 100cm in width and the thickness of 2 mm.
After the stainless steel fiber antistatic floor paint coating is naturally dried, a resistance surface tester is used for testing.
Each test was 5 different points, and 5 test data were recorded.
The surface appearance is judged by visual observation.
Table 4 test results of the performance of the stainless steel fiber antistatic floor paint coating of example 3
Figure BDA0002387091980000101
The appearance in the detection column in the table is divided into: poor, general, good, excellent.
It can be seen from comparative examples 1 and 2 that the modified stainless steel fibers cannot be dispersed in the floor paint by modifying the stainless steel fibers with the surfactant which is not limited by the invention, and it can be seen from comparative example 3 that the modified stainless steel fibers are too long and influence the dispersibility, and meanwhile, it can be seen from comparative example 3 and examples 1 to 3 that the modified stainless fibers have a little influence on the dispersion uniformity, the agglomeration phenomenon and the appearance surface resistance value. The appearance and the resistance of the stainless steel fiber antistatic floor paint coating are good, the stainless steel fiber can be uniformly dispersed without agglomeration after the appearance is good, and the surface resistance is stable, so that the stainless steel fiber can be uniformly dispersed and fully overlapped to form a three-dimensional conductive network. The durability, limitation and conductive stability of the antistatic floor paint are solved.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way, and those skilled in the art can make various equivalent substitutions by using the technical contents disclosed in the present invention without departing from the technical scope of the present invention, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the technical scope of the embodiments of the present invention.

Claims (10)

1. The utility model provides a stainless steel fiber antistatic floor paint coating which characterized in that: modified stainless steel fibers are dispersed in the stainless steel fiber antistatic floor paint coating, and the preparation method of the modified stainless steel fibers comprises the following steps: immersing the bundled continuous stainless steel fibers into a solution containing a surfactant, fully soaking, and drying for the first time to obtain the continuous stainless steel fibers with the amphiphilic surfaces; soaking the continuous stainless steel fiber with the amphiphilic surface in the glue solution, and drying for the second time to obtain the continuous stainless steel fiber containing the film layer; cutting the continuous stainless steel fiber containing the film layer to obtain modified stainless steel fiber; the surfactant is one selected from alkyl glucoside, sorbitan monostearate, polysorbate and polyoxyethylene fatty acid ester.
2. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that:
the surfactant is fatty acid polyoxyethylene ester; in the solution containing the surfactant, the mass fraction of the surfactant is 0.5-5 wt%.
3. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the temperature of the first drying is 180-230 ℃, and the time of the first drying is 5-20 min.
4. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the glue solution is selected from one of polyurethane glue solution, acrylic acid glue solution and epoxy glue solution, the molecular weight of the glue solution is 6000-15000, and the viscosity is 20-200 mpa.s.
5. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the temperature of the second drying is 120-180 ℃, and the time of the second drying is 3-20 min.
6. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the quality of the thin film layer is controlled to be 1-20% of the weight percentage of the stainless steel fibers.
7. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the length of the modified stainless steel fiber is 0.1-5 mm; the diameter of the modified stainless steel fiber is 1-20 μm.
8. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the mass fraction of the modified stainless steel fiber in the stainless steel fiber antistatic floor paint coating is 0.3-10%.
9. The stainless steel fiber antistatic floor paint coating of claim 1, characterized in that: the stainless steel fiber antistatic floor paint coating comprises a component A and a component B: wherein the component A comprises the following components in percentage by mass: 10-60 parts of modified stainless steel fiber, 30-60 parts of epoxy resin C, and 78-20 parts of reactive diluent E5, wherein the component B comprises the following components: the epoxy resin coating comprises, by mass, 3-15% of a component A, 3-60% of an epoxy resin D30, 40-32% of a reactive diluent F20, 1-5% of a leveling agent, 0.1-0.5% of a defoaming agent, 0.2-0.8% of a dispersing agent and 3-20% of a curing agent.
10. The method for preparing the stainless steel fiber antistatic floor paint coating as claimed in any one of claims 1 to 9, characterized in that: the method comprises the following steps: mixing the raw materials in the component A according to a designed proportion, and stirring at the speed of 300-800 r/min for 1-2 h to obtain the component A; mixing the raw materials in the component B according to a designed proportion, and stirring at the speed of 500-800 revolutions per minute for 10-30 min to obtain the component B; and adding the component A into the component B, and uniformly stirring to obtain the stainless steel fiber antistatic floor paint coating.
CN202010101764.5A 2020-02-19 2020-02-19 Stainless steel fiber anti-static floor paint coating and preparation method thereof Active CN113278321B (en)

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