CN112094571A - Wear-resistant static-conducting floor coating added with carbon nanotube material and preparation method thereof - Google Patents
Wear-resistant static-conducting floor coating added with carbon nanotube material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a wear-resistant static conductive floor coating added with a carbon nanotube material and a preparation method thereof, wherein the wear-resistant static conductive floor coating is prepared from the following raw materials: 40-50 wt% of epoxy resin; 8-15 wt% of xylene; 3-5 wt% of n-butyl alcohol; 0.5-1 wt% of anti-settling auxiliary agent; 0.5-1 wt% of a solution of a copolymer of a low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane; 8-15 wt% of titanium dioxide; 0.1-5 wt% of carbon black powder; 8-15 wt% of precipitated barium sulfate; 8-15 wt% of alumina powder; 0.2 to 0.5 wt% of aminosilane; 0.5-1 wt% of carbon nanotube material; 10-20 wt% of curing agent. The wear-resistant static conductive floor coating added with the carbon nanotube material has better conductivity and corrosion resistance, and can meet the application requirements in the field of wear-resistant static conductive floor coatings.
Description
Technical Field
The invention relates to a static conductive floor coating, in particular to a wear-resistant static conductive floor coating added with a carbon nanotube material and a preparation method thereof.
Background
In the field of static conductive floor coatings, it is well known to use static conductive floor coatings of different compositions to achieve wear-resistant static conductive protection of a floor surface. For the wear-resistant static-conductive protection engineering of the terrace, the wear-resistant static-conductive terrace coating plays an important role all the time due to the advantages of simple and convenient construction process, obvious effect, low cost, outstanding performance, long service life and the like. In the static and corrosion resistance process of leading of research and improvement wear-resisting static terrace coating of leading, the inventor finds that wear-resisting static terrace coating among the prior art has following problem at least:
the traditional wear-resistant static conductive floor coating is mainly prepared by adopting conductive mica powder as a conductive material, and has large specific gravity and easy precipitation; the dispersibility is poor, and the requirement on the control of the production process is high; the conductive performance is unstable, the cost is high, the loss rate of the conductive performance is high in the use process after curing, the anti-corrosion effect is poor and the like;
in order to solve the above problems, it is necessary to develop a wear-resistant static conductive floor coating with carbon nanotube material and a preparation method thereof, so as to optimize the static conductive and corrosion resistance and realize the functional application thereof.
Disclosure of Invention
In order to overcome the problems of the wear-resistant static conductive floor coating, the invention aims to provide a wear-resistant static conductive floor coating with carbon nanotube material and good conductivity and corrosion resistance, which can meet the application requirements in the field of wear-resistant static conductive floor coatings.
In terms of the wear-resistant static electricity conducting floor coating, the wear-resistant static electricity conducting floor coating added with the carbon nanotube material for solving the technical problems is prepared from the following raw materials in percentage by mass:
40-50 wt% of epoxy resin;
8-15 wt% of xylene;
3-5 wt% of n-butyl alcohol;
0.5-1 wt% of anti-settling auxiliary agent;
0.5-1 wt% of a solution of a copolymer of a low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane;
titanium dioxide, 8-15 wt%;
0.1-5 wt% of carbon black powder;
8-15 wt% of precipitated barium sulfate;
8-15 wt% of alumina powder;
0.2 to 0.5 wt% of aminosilane;
0.5-1 wt% of carbon nanotube material;
10-20 wt% of curing agent.
Optionally, the solution of the copolymer of the low molecular weight unsaturated polycarboxylic acid polymer and the polysiloxane is any one of BYK-P104, BYK-P104S, BYK-P105, LD-1242 and Disponer 904S.
Optionally, the curing agent is an aliphatic amine curing agent.
Optionally, the wear-resistant static conductive floor coating is prepared by the following steps:
step A1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 20-30 minutes until the mixed solution is uniform and has no large particles;
step A2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding until the fineness is less than or equal to 35 mu m and the temperature of the slurry is less than or equal to 55 ℃;
step A3, adding aminosilane and carbon nano tube materials in designed amount into the mixed solution prepared in the step A2, dispersing at a low speed at a rotating speed of 800 revolutions per minute while adding materials, dispersing for 5-10 minutes, and cooling to normal temperature;
and A4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step A3, dispersing for 5-10 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
Accordingly, another technical problem to be solved by the present invention is to provide a method for preparing a wear-resistant static conductive terrace coating with good conductivity and corrosion resistance and added with a carbon nanotube material.
Regarding the method for preparing the wear-resistant static conductive floor coating, the preparation method of the wear-resistant static conductive floor coating added with the carbon nanotube material for solving the technical problems comprises the following steps:
step B1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 20-30 minutes until the mixed solution is uniform and has no large particles;
step B2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding until the fineness is less than or equal to 35 mu m and the temperature of the slurry is less than or equal to 55 ℃;
step B3, putting the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step B2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while feeding, dispersing for 5-10 minutes, and cooling to the normal temperature;
and step B4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step B3, dispersing for 5-10 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
Compared with the prior art, the technical scheme has the following beneficial effects: according to the technical scheme, the carbon nanotube material is added as the conductive filler, and the structure and the content of the carbon nanotube are changed, so that the prepared wear-resistant static conductive floor coating has better dispersibility and conductivity; the added dispersant further improves the dispersion performance of the carbon nanotube material; the added alumina powder ensures that the prepared wear-resistant static conductive floor coating has better wear resistance; and the added aminosilane further improves the wear resistance and chemical resistance; compared with conductive mica powder type static conductive floor paint, the conductive mica powder type static conductive floor paint can form a conductive network chain with a small dosage; the density of the conductive mica powder is much smaller than that of conductive mica powder particles, and the conductive mica powder is not easy to be coagulated due to the action of gravity; and has good chemical resistance and stability; the epoxy static conductive coating has the advantages of simple production process, stable conductive performance, cost reduction 1/3, better conductive performance and corrosion resistance in the use process after curing, and can meet the application requirements in the field of wear-resistant static conductive floor coatings, and the wear resistance, corrosion resistance and better static conductive stability which are 1-2 times higher than those of the conventional epoxy static conductive coatings can be improved.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
The embodiment provides a wear-resisting static terrace coating that leads of adding carbon nanotube material, and by mass percent, this wear-resisting static terrace coating that leads that adds carbon nanotube material is made by following raw materials:
40 wt% of epoxy resin;
xylene, 9.9 wt%;
n-butanol, 3.5 wt%;
0.8 wt% of anti-settling additive;
0.8 wt% of a solution of a copolymer of a high molecular weight unsaturated polycarboxylic acid polymer and polysiloxane;
titanium dioxide, 9 wt%;
0.2 wt% of carbon black powder;
precipitated barium sulfate, 15 wt%;
10 wt% of alumina powder;
aminosilane, 0.3 wt%;
0.5 wt% of carbon nanotube material;
curing agent, 10 wt%.
Further, the solution of the copolymer of the low molecular weight unsaturated polycarboxylic acid polymer and the polysiloxane is BYK-P104.
Further, the curing agent is an aliphatic amine curing agent.
Further, the wear-resistant static electricity conducting floor coating is prepared through the following steps:
step A1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 20 minutes until the mixed solution is uniform and has no large particles;
step A2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while adding materials, then performing a grinding process, and grinding to the fineness of 35 microns, wherein the slurry temperature is 50 ℃;
step A3, adding the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step A2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while adding the materials, dispersing for 8 minutes, and cooling to 35 ℃;
and A4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step A3, dispersing for 5 minutes, and subpackaging to obtain the wear-resistant static conductive floor coating added with the carbon nanotube material.
Correspondingly, the embodiment also provides a method for preparing the wear-resistant static conductive terrace coating with better conductive performance and corrosion resistance and added with the carbon nanotube material, and specifically comprises the following steps:
step B1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in designed amount, and dispersing and stirring at a high speed of 1800 rpm for 20 minutes until the mixed solution is uniform and has no large particles;
step B2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while adding materials, then performing a grinding process, and grinding to the fineness of 35 mu m, wherein the slurry temperature is 50 ℃;
step B3, adding the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step B2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while adding the materials, dispersing for 8 minutes, and cooling to 35 ℃;
and step B4, adding the fatty amine curing agent in the designed amount into the mixed solution prepared in the step three, dispersing for 5 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
Example 2
The embodiment provides a wear-resisting static terrace coating that leads of adding carbon nanotube material, and by mass percent, this wear-resisting static terrace coating that leads that adds carbon nanotube material is made by following raw materials:
epoxy resin, 44 wt%;
xylene, 8.18 wt%;
n-butanol, 3.3 wt%;
0.6 wt% of anti-settling additive;
0.7 wt% of a solution of a copolymer of a high molecular weight unsaturated polycarboxylic acid polymer and polysiloxane;
10 wt% of titanium dioxide;
0.22 wt% of carbon black powder;
precipitated barium sulfate, 12 wt%;
9 wt% of alumina powder;
aminosilane, 0.4 wt%;
0.6 wt% of carbon nanotube material;
curing agent, 11 wt%.
Further, the solution of the copolymer of the low molecular weight unsaturated polycarboxylic acid polymer and the polysiloxane is BYK-P104S.
Further, the curing agent is an aliphatic amine curing agent.
Further, the wear-resistant static electricity conducting floor coating is prepared through the following steps:
step A1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 22 minutes until the mixed solution is uniform and has no large particles;
step A2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding to the fineness of 30 microns, wherein the temperature of the slurry is 55 ℃;
step A3, adding aminosilane and carbon nano tube materials in designed amount into the mixed solution prepared in the step A2, dispersing at a low speed at a rotating speed of 800 revolutions per minute while adding materials, dispersing for 10 minutes, and cooling to 32 ℃;
and A4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step A3, dispersing for 5 minutes, and subpackaging to obtain the wear-resistant static conductive floor coating added with the carbon nanotube material.
Correspondingly, the embodiment also provides a method for preparing the wear-resistant static conductive terrace coating with better conductive performance and corrosion resistance and added with the carbon nanotube material, and specifically comprises the following steps:
step B1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 22 minutes until the mixed solution is uniform and has no large particles;
step B2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding to the fineness of 30 mu m, wherein the temperature of the slurry is 55 ℃;
step B3, adding the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step B2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while adding the materials, dispersing for 10 minutes, and cooling to 32 ℃;
and step B4, adding the fatty amine curing agent in the designed amount into the mixed solution prepared in the step three, dispersing for 5 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
Example 3
The embodiment provides a wear-resisting static terrace coating that leads of adding carbon nanotube material, and by mass percent, this wear-resisting static terrace coating that leads that adds carbon nanotube material is made by following raw materials:
epoxy resin, 46 wt%;
xylene, 8.28 wt%;
n-butanol, 3.2 wt%;
0.5 wt% of anti-settling additive;
0.6 wt% of a solution of a copolymer of a high molecular weight unsaturated polycarboxylic acid polymer and polysiloxane;
10 wt% of titanium dioxide;
0.22 wt% of carbon black powder;
precipitated barium sulfate, 10 wt%;
8 wt% of alumina powder;
aminosilane, 0.5 wt%;
0.7 wt% of carbon nanotube material;
curing agent, 12 wt%.
Further, the solution of the copolymer of the low molecular weight unsaturated polycarboxylic acid polymer and the polysiloxane is any one of BYK-P105, LD-1242 and Disponer 904S.
Further, the curing agent is an aliphatic amine curing agent.
Further, the wear-resistant static electricity conducting floor coating is prepared through the following steps:
step A1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 23 minutes until the mixed solution is uniform and has no large particles;
step A2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding to the fineness of 33 microns, wherein the temperature of the slurry is 50 ℃;
step A3, adding the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step A2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while adding the materials, dispersing for 10 minutes, and cooling to 30 ℃;
and A4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step A3, dispersing for 5 minutes, and subpackaging to obtain the wear-resistant static conductive floor coating added with the carbon nanotube material.
Correspondingly, the embodiment also provides a method for preparing the wear-resistant static conductive terrace coating with better conductive performance and corrosion resistance and added with the carbon nanotube material, and specifically comprises the following steps:
step B1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 23 minutes until the mixed solution is uniform and has no large particles;
step B2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding to the fineness of 33 μm, wherein the temperature of the slurry is 50 ℃;
step B3, adding the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step B2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while adding the materials, dispersing for 10 minutes, and cooling to 30 ℃;
and step B4, adding the fatty amine curing agent in the designed amount into the mixed solution prepared in the step three, dispersing for 5 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
Paint film curing and performance comparison:
according to embodiment 1 ~ 3, dissolve the wear-resisting static terrace coating that leads of the addition carbon nanotube material that makes in xylene: adjusting the viscosity of a coating 4 cup to 45 seconds in a mixed solvent of n-butyl alcohol 7:3, coating the mixed solvent on the surface of a cement substrate in a roll coating mode, curing the mixed solvent at room temperature to obtain an anticorrosive coating with wear-resistant and static-conductive characteristics, and performing performance tests on paint films prepared in various examples, wherein the statistical data are shown in the table I.
TABLE I cured coating performance of novel wear-resistant static conductive floor coating based on addition of carbon nanotube material
Referring to table one, it can be concluded that: compared with the first, second and third examples, the prepared coating has better electrostatic conduction performance due to the addition of the carbon nanotube material for modifying the wear-resistant electrostatic conduction floor coating; along with the increase of the content of the carbon nano tube material, the electrostatic conducting performance is increased; in addition, the composite coating exhibits good results in terms of both corrosion resistance and wear resistance. Compared with conductive mica powder type static conductive floor paint, the conductive mica powder type static conductive floor paint can form a conductive network chain with a small dosage; the density of the conductive mica powder is much smaller than that of conductive mica powder particles, and the conductive mica powder is not easy to be coagulated due to the action of gravity; and has good chemical resistance and stability; the epoxy static conductive coating has the advantages of simple production process, stable conductive performance, reduced cost 1/3, better conductive performance and corrosion resistance in the use process after curing, and 1-2 times higher wear resistance and corrosion resistance and better static conductive stability compared with the conventional epoxy static conductive coating.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, whereby the invention is not limited to the details given, without departing from the general concept defined by the claims and the scope of equivalents.
Claims (5)
1. The utility model provides an add wear-resisting static terrace coating that leads of carbon nanotube material which characterized in that, by mass percent, this wear-resisting static terrace coating that leads is made by following raw materials:
40-50 wt% of epoxy resin;
8-15 wt% of xylene;
3-5 wt% of n-butyl alcohol;
0.5-1 wt% of anti-settling auxiliary agent;
0.5-1 wt% of a solution of a copolymer of a low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane;
8-15 wt% of titanium dioxide;
0.1-5 wt% of carbon black powder;
8-15 wt% of precipitated barium sulfate;
8-15 wt% of alumina powder;
0.2 to 0.5 wt% of aminosilane;
0.5-1 wt% of carbon nanotube material;
10-20 wt% of curing agent.
2. The wear-resistant static-conductive floor coating with the carbon nanotube material added thereto as claimed in claim 1, wherein the solution of the copolymer of the low-molecular-weight unsaturated polycarboxylic acid polymer and the polysiloxane is any one of BYK-P104, BYK-P104S, BYK-P105, LD-1242 and Disponer 904S.
3. The wear-resistant static conductive floor coating added with the carbon nanotube material of claim 1, wherein the curing agent is an aliphatic amine curing agent.
4. The wear-resistant static conductive floor coating added with the carbon nanotube material according to any one of claims 1 to 3, which is prepared by the following steps:
step A1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 20-30 minutes until the mixed solution is uniform and has no large particles;
step A2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding until the fineness is less than or equal to 35 mu m and the temperature of the slurry is less than or equal to 55 ℃;
step A3, adding aminosilane and carbon nano tube materials in designed amount into the mixed solution prepared in the step A2, dispersing at a low speed at a rotating speed of 800 revolutions per minute while adding materials, dispersing for 5-10 minutes, and cooling to normal temperature;
and A4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step A3, dispersing for 5-10 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
5. The preparation method of the wear-resistant static conductive floor coating added with the carbon nanotube material as claimed in any one of claims 1 to 3, characterized by comprising the following steps:
step B1, putting the solution of epoxy resin, dimethylbenzene, n-butyl alcohol, anti-settling auxiliary agent, low molecular weight unsaturated polycarboxylic acid polymer and polysiloxane copolymer into a material mixing cylinder in sequence, and dispersing and stirring at a high speed of 1800 rpm for 20-30 minutes until the mixed solution is uniform and has no large particles;
step B2, sequentially adding the titanium dioxide, the carbon black powder, the precipitated barium sulfate and the alumina powder in the designed amount into the mixed solution prepared in the step one, uniformly dispersing at a high speed of 1800 rpm while feeding, then performing a grinding process, and grinding until the fineness is less than or equal to 35 mu m and the temperature of the slurry is less than or equal to 55 ℃;
step B3, putting the aminosilane and the carbon nano tube material in the designed amount into the mixed solution prepared in the step B2, dispersing at a low speed at the rotating speed of 800 revolutions per minute while feeding, dispersing for 5-10 minutes, and cooling to the normal temperature;
and step B4, adding the designed amount of aliphatic amine curing agent into the mixed solution prepared in the step B3, dispersing for 5-10 minutes, and subpackaging to obtain the novel wear-resistant static conductive floor coating added with the carbon nanotube material.
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