CN105462300A - Paint and preparation method thereof - Google Patents
Paint and preparation method thereof Download PDFInfo
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- CN105462300A CN105462300A CN201510999429.0A CN201510999429A CN105462300A CN 105462300 A CN105462300 A CN 105462300A CN 201510999429 A CN201510999429 A CN 201510999429A CN 105462300 A CN105462300 A CN 105462300A
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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
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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
- 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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- 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
- C09D7/65—Additives macromolecular
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
The invention provides a paint which comprises the following components in parts by mass: 3-5 parts of polyvinyl alcohol, 30-50 parts of silica sol, 5-10 parts of silicon micropowder, 1-10 parts of washed kaolin, 10-20 parts of coal gangue fine powder, 10-20 parts of aluminum oxide micropowder, 1-5 parts of superfine barium sulfate, 1-5 parts of sericite powder, 3-5 parts of instant sodium silicate and 5-10 parts of water. The paint provided by the invention is composed of the polyvinyl alcohol, silica sol, silicon micropowder, washed kaolin, coal gangue fine powder, aluminum oxide micropowder, superfine barium sulfate, sericite powder and instant sodium silicate. The paint film formed by the paint provided by the invention does not crack or shed under high-temperature conditions, and has favorable strength and wear resistance.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to a kind of coating and preparation method thereof.
Background technology
Toughened glass is applied in the different field such as construction work, the vehicles, daily life, production scientific research just more and more with its excellent performance, changes the style of urban architecture, also for our live and work brings many facilities.Toughened glass is first cut into by common annealing glass to require size, is then transported in glass tempering furnace, is heated to about 700 DEG C close to softening temperature, then cool rapidly and uniformly and obtain.
Glass tempering furnace apparatus needs usually heat insulating refractory material is installed, reduce energy consumption, save production cost.Ceramic beaverboard has excellent heat-insulating property, is a kind of lagging material of glass tempering furnace enterprise favor.For reaching heat insulation effect, can use multilayer insulant, being in undermost ceramic beaverboard desired strength good, must can bear the weight of other lagging material, the intensity of conventional ceramic fiberboard cannot meet this requirement usually.
In addition, tempered glass quality requires constantly to promote.During toughened glass is produced, the process of blowing quenching can make the staple fibre on ceramic beaverboard surface and powder fall in glass, becomes the focal point of stress in glass, easily causes the self-destruction of glass, and impact uses.
Therefore, do not ftracture under developing a kind of hot conditions, do not come off, the coating of excellent strength, coating processing is carried out to ceramic beaverboard, meets the performance requriements of glass tempering furnace enterprise, become particularly necessary.
Publication number is the Chinese patent of CN104910802A, " a kind of high-temperature resistant coating " relates to a kind of high-temperature resistant coating, and this coating comprises the material of following weight part: zinc acrylate resin 5 ~ 9 parts, polypropylene 10 ~ 15 parts, white glue with vinyl 5 ~ 10 parts, 3 ~ 12 parts, calcium oxide, asbestos powder 10 ~ 18 parts, dimethyl silicone oil 15 ~ 25 parts, tween-8010 ~ 16 part, Tris-HCl5 ~ 10 part, K
2hPO
32 ~ 5 parts, KH
2pO
31 ~ 4 part, 15 ~ 20 parts, water.This patent also discloses a kind of preparation method of high-temperature resistant coating, each component is mixed in proportion, and heats under 30 ~ 50 DEG C of conditions, is 6.5 ~ 7.2, mixes, obtain high-temperature resistant coating with salt acid for adjusting pH.
Publication number is the Chinese patent of CN104231763A, " a kind of fibre board use frie retardant coating and preparation method thereof " disclose a kind of be applicable to fiberboard frie retardant coating, this coating in mass parts containing following composition: polyvinyl chloride (PVC) RESINS 5 ~ 15 parts, polyisobutene 15 ~ 30 parts, chlorinated rubber 10 ~ 20 parts, tricresyl phosphate-(2,3-dibromopropyl) ester 10 ~ 20 parts, melamine pyrophosphate 1 ~ 5 part, 3 ~ 5 parts, glass powder, 2 ~ 6 parts, decabromodiphenyl ether, Sodium hexametaphosphate 99 0.3 ~ 1.2 part, epoxy chloropropane 0.5 ~ 1 part, cupric chloride 1 ~ 4 part.This patent also discloses a kind of preparation method of fibre board use frie retardant coating, first polyvinyl chloride (PVC) RESINS, polyisobutene and chlorinated rubber is dropped in ceramic still, is uniformly mixed, obtain resin solution; Another by tricresyl phosphate-(2,3-dibromopropyl) ester, melamine pyrophosphate, glass powder, decabromodiphenyl ether, Sodium hexametaphosphate 99, epoxy chloropropane and cupric chloride grind after mixing, be ground to fineness≤50 μm, then mix with resin solution, get product.
Although above-mentioned coating can play a protective role to ceramic beaverboard to a certain extent, under high temperature (about 700 DEG C) condition, coating is easy to crack, come off.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of coating and preparation method thereof, and coating provided by the invention can not ftracture under the high temperature conditions, comes off, and has good wear resisting property.
The invention provides a kind of coating, comprise the composition of following mass parts:
The polyvinyl alcohol of 3 ~ 5 mass parts;
The silicon sol of 30 ~ 50 mass parts;
The silicon powder of 5 ~ 10 mass parts;
The water-washed kaoline of 1 ~ 10 mass parts;
The coal gangue fine powder of 10 ~ 20 mass parts;
The ultra-fine alumina powder of 10 ~ 20 mass parts;
The ultra-fine barium sulfate of 1 ~ 5 mass parts;
The sericite in powder of 1 ~ 5 mass parts;
The quick dissolved sodium silicate of 3 ~ 5 mass parts;
The water of 5 ~ 10 mass parts.
Preferably, the composition of following mass parts is comprised:
The polyvinyl alcohol of 3.5 ~ 4.5 mass parts;
The silicon sol of 35 ~ 45 mass parts;
The silicon powder of 6 ~ 9 mass parts;
The water-washed kaoline of 3 ~ 7 mass parts;
The coal gangue fine powder of 12 ~ 18 mass parts;
The ultra-fine alumina powder of 12 ~ 18 mass parts;
The ultra-fine barium sulfate of 2 ~ 4 mass parts;
The sericite in powder of 2 ~ 4 mass parts;
The quick dissolved sodium silicate of 3.5 ~ 4.5 mass parts;
The water of 6 ~ 9 mass parts.
Preferably, described polyvinyl alcohol is cold soluble type polyvinyl alcohol.
Preferably, the mass concentration of described silicon sol is 20wt% ~ 40wt%, and the particle size analysis in described silicon sol is 20 ~ 30nm.
Preferably, particle diameter >=300 order of described silicon powder, particle diameter >=400 order of water-washed kaoline, particle diameter >=1250 order of coal gangue fine powder, particle diameter >=1250 order of ultra-fine alumina powder, particle diameter >=1250 order of ultra-fine barium sulfate, particle diameter >=800 order of sericite in powder.
Present invention also offers a kind of preparation method of coating, comprise the following steps:
By polyvinyl alcohol, silicon sol, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder, quick dissolved sodium silicate and water mix and blend, obtain coating.
Preferably, the rotating speed of described mix and blend is 300 ~ 800rpm.
Preferably, comprise the following steps:
A) by polyvinyl alcohol and water mix and blend, polyvinyl alcohol solution is obtained;
B) described polyvinyl alcohol solution is mixed with silicon sol, obtain mixture;
C) by described mixture, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate mix and blend, coating is obtained.
Preferably, steps A) in, the rotating speed of described mix and blend is 300 ~ 500rpm, and the time of described mix and blend is 5 ~ 10min.
Preferably, step B) in, the rotating speed of described mix and blend is 600 ~ 800rpm, and the time of described mix and blend is 15 ~ 30min.
Compared with prior art, the invention provides a kind of coating, comprise the composition of following mass parts: the polyvinyl alcohol of 3 ~ 5 mass parts; The silicon sol of 30 ~ 50 mass parts; The silicon powder of 5 ~ 10 mass parts; The water-washed kaoline of 1 ~ 10 mass parts; The coal gangue fine powder of 10 ~ 20 mass parts; The ultra-fine alumina powder of 10 ~ 20 mass parts; The ultra-fine barium sulfate of 1 ~ 5 mass parts; The sericite in powder of 1 ~ 5 mass parts; The quick dissolved sodium silicate of 3 ~ 5 mass parts; The water of 5 ~ 10 mass parts.Coating provided by the invention is made up of polyvinyl alcohol, silicon sol, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate.The film that coating provided by the invention is formed does not ftracture under the high temperature conditions, does not come off, and has good intensity and wear resisting property.
Result shows, paint provided by the invention, on ceramic beaverboard, after 150 hours at 700 DEG C of constant temperature, does not ftracture, do not come off; Its wear resisting property≤0.1g/r, sticking power >=7.51MPa, cold crushing strength >=0.41MPa.
Embodiment
The invention provides a kind of coating, comprise the composition of following mass parts:
The polyvinyl alcohol of 3 ~ 5 mass parts;
The silicon sol of 30 ~ 50 mass parts;
The silicon powder of 5 ~ 10 mass parts;
The water-washed kaoline of 1 ~ 10 mass parts;
The coal gangue fine powder of 10 ~ 20 mass parts;
The ultra-fine alumina powder of 10 ~ 20 mass parts;
The ultra-fine barium sulfate of 1 ~ 5 mass parts;
The sericite in powder of 1 ~ 5 mass parts;
The quick dissolved sodium silicate of 3 ~ 5 mass parts;
The water of 5 ~ 10 mass parts.
Coating provided by the invention comprises polyvinyl alcohol, and described polyvinyl alcohol is the macromolecular compound of ethylene glycol polymerization, and in the present invention, described polyvinyl alcohol is preferably cold soluble type polyvinyl alcohol.The source of the present invention to described cold soluble type polyvinyl alcohol does not have particular restriction, generally commercially available.In described coating, the addition of polyvinyl alcohol is 3 ~ 5 mass parts, is preferably 3.5 ~ 4.5 mass parts.
Coating provided by the invention also comprises silicon sol, and in the present invention, silicon sol of telling is inorganic adhesive, can improve sticking power and the intensity of coating.The mass concentration of described silicon sol is preferably 20wt% ~ 40wt%, is more preferably 25wt% ~ 35wt%.Silica particle particle diameter in described silicon sol is 20 ~ 30nm.In the present invention, the addition of described silicon sol is 30 ~ 50 mass parts, is preferably 35 ~ 45 mass parts.
Coating provided by the invention also comprises silicon powder, and in the present invention, described silicon powder exquisiteness is pure white, particle diameter >=300 order, and preferably, the particle diameter of described silicon powder is 300 ~ 500 orders.In described coating, the addition of described silicon powder is 5 ~ 10 mass parts, is preferably 6 ~ 9 mass parts.
Coating provided by the invention also comprises water-washed kaoline, and in the present invention, particle diameter >=400 order of described water-washed kaoline, preferably, the particle diameter of described water-washed kaoline is 400 ~ 600 orders.In described coating, the addition of described water-washed kaoline is 1 ~ 10 mass parts, is preferably 3 ~ 7 mass parts.
Coating provided by the invention also comprises coal gangue fine powder, and in the present invention, particle diameter >=1250 order of described coal gangue fine powder, preferably, the particle diameter of described coal gangue fine powder is 1250 ~ 1400 orders.In described coating, the addition of described coal gangue fine powder is 10 ~ 20 mass parts, is preferably 12 ~ 18 mass parts.
Coating provided by the invention also comprises ultra-fine alumina powder, and in the present invention, particle diameter >=1250 order of described ultra-fine alumina powder, preferably, the particle diameter of described ultra-fine alumina powder is 1250 ~ 1400 orders.In described coating, the addition of described ultra-fine alumina powder is 10 ~ 20 mass parts, is preferably 12 ~ 18 mass parts.
In the present invention, described silicon powder, water-washed kaoline, coal gangue fine powder and ultra-fine alumina powder are filler, it is the material of main part preparing coating, intensity after the burning of coating can be improved, ensure that the ceramic beaverboard of brushing this coating uses under the environment of about 700 DEG C, still there is good intensity.
In the present invention, described ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate are the functional adding material of coating.
Coating provided by the invention also comprises ultra-fine barium sulfate, and ultra-fine barium sulfate hardness is moderate, good stability, high whiteness, high specific gravity, plays a part very important to the wear resistance, thermotolerance, impact resistance etc. improving film.In the present invention, particle diameter >=1250 order of described ultra-fine barium sulfate, preferably, the particle diameter of described ultra-fine barium sulfate is 1250 ~ 1400 orders.In described coating, the addition of described ultra-fine barium sulfate is 10 ~ 20 mass parts, is preferably 12 ~ 18 mass parts.
Coating provided by the invention also comprises sericite in powder, and sericite in powder is the one of mica, belongs to the silicate minerals with laminate structure, after sericite makes an addition to coating, with sheet stacked arrangement, can improve wear resistance and the stability of coating in the film formed.In the present invention, particle diameter >=800 order of described sericite in powder, preferably, the particle diameter of described sericite in powder is 800 ~ 1000 orders.In described coating, the addition of described sericite in powder is 1 ~ 5 mass parts, is preferably 2 ~ 4 mass parts.
Coating provided by the invention also comprises quick dissolved sodium silicate, and the interpolation of quick dissolved sodium silicate can improve the sodium content in coating, reduces the sintering temperature of silicon-dioxide and aluminum oxide in coating, film is sintered about 700 DEG C time, improves film and burns rear intensity.The addition of described quick dissolved sodium silicate is 1 ~ 5 mass parts, is preferably 2 ~ 4 mass parts.
Also comprise the water of 5 ~ 10 mass parts in coating provided by the invention, preferably, the addition of described water is preferably 6 ~ 9 mass parts.
Preferably, described coating, comprises the composition of following mass parts: the polyvinyl alcohol of 3.5 ~ 4.5 mass parts; The silicon sol of 35 ~ 45 mass parts; The silicon powder of 6 ~ 9 mass parts; The water-washed kaoline of 3 ~ 7 mass parts; The coal gangue fine powder of 12 ~ 18 mass parts; The ultra-fine alumina powder of 12 ~ 18 mass parts; The ultra-fine barium sulfate of 2 ~ 4 mass parts; The sericite in powder of 2 ~ 4 mass parts; The quick dissolved sodium silicate of 3.5 ~ 4.5 mass parts and the water of 6 ~ 9 mass parts.
Present invention also offers a kind of preparation method of coating, comprise the following steps:
By polyvinyl alcohol, silicon sol, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder, quick dissolved sodium silicate and water mix and blend, obtain coating.In the present invention, the rotating speed of described mix and blend is preferably 300 ~ 800rpm.
Preferably, the preparation method of coating provided by the invention is specially:
A) by polyvinyl alcohol and water mix and blend, polyvinyl alcohol solution is obtained;
B) described polyvinyl alcohol solution is mixed with silicon sol, obtain mixture;
C) by described mixture, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate mix and blend, coating is obtained.
First the present invention by polyethylene alcohol and water mix and blend, obtains polyvinyl alcohol solution.The rotating speed of described mix and blend is 300 ~ 500rpm, is preferably 350 ~ 450rpm; The time of described mix and blend is 5 ~ 10min, is preferably 6 ~ 9min.
After obtaining polyvinyl alcohol solution, described polyvinyl alcohol solution is mixed with silicon sol, obtains mixture.Preferably, described silicon sol is dissolved in described polyvinyl alcohol solution, obtains mixture.
Then, by described mixture silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate mix and blend, coating is obtained.The rotating speed of described mix and blend is 600 ~ 800rpm, is preferably 650 ~ 750rpm; The time of described mix and blend is 15 ~ 30min, is preferably 20 ~ 25min.
Coating provided by the invention is made up of polyvinyl alcohol, silicon sol, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate.The film that coating provided by the invention is formed does not ftracture under the high temperature conditions, does not come off, and has good intensity and wear resisting property.
Result shows, paint provided by the invention, on ceramic beaverboard, after 150 hours at 700 DEG C of constant temperature, does not ftracture, do not come off; Its wear resisting property≤0.1g/r, sticking power >=7.51MPa, cold crushing strength >=0.41MPa.
In order to understand the present invention further, be described coating provided by the invention and preparation method thereof below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
Polyvinyl alcohol in following examples is purchased from Kuraray International Trading Company Ltd; Silicon sol is purchased from east, Zibo and casts company limited greatly, and silicon powder is purchased from Yiyuan Run Zheng Trade Co., Ltd.; Water-washed kaoline is purchased from Zichuan, Zibo City Chuan great abrasive material company limited; Coal gangue fine powder is purchased from ceramic raw material sales department of Huairen County Yongxin; Ultra-fine alumina powder is purchased from Zibo Xin Peng Trade Co., Ltd.; Ultra-fine barium sulfate is purchased from Hebei Xinji Chemical Group company limited; Sericite in powder is purchased from Baofeng, Lingshou County mica processing company limited; Quick dissolved sodium silicate is purchased from Dezhou City Tian Qu Chemical Co., Ltd..
Embodiment 1
(1) formulation for coating material that provides of the present embodiment is as follows:
This coating comprises the composition of following weight part: polyvinyl alcohol 5 parts, concentration are silicon sol 30 parts, 300 order silicon powder 5 parts, 500 order water-washed kaoline 10 parts, 1250 order coal gangue fine powder 10 parts, 1400 order ultra-fine alumina powder 20 parts, 1250 order ultra-fine barium sulfate 5 parts, 800 order sericite in powder 2 parts, quick dissolved sodium silicate 3 parts, 10 parts, the water of 20%.
(2) preparation method is:
Step 1, according to above-mentioned method of completing the square, water is placed in agitator, add polyvinyl alcohol and carry out stirring and dissolving, agitator speed is 500rpm, and churning time is 8min.
Step 2, silicon sol to be added in the polyvinyl alcohol solution that dissolved.
Step 3, take silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate in proportion and slowly add in liquid prepared by step 2 simultaneously and stir, agitator speed is 800rpm, churning time is 17min, stir, get product.
Embodiment 2
(1) formulation for coating material that provides of the present embodiment is as follows:
This coating comprises the composition of following weight part: polyvinyl alcohol 3 parts, concentration are silicon sol 50 parts, 400 order silicon powder 8 parts, 400 order water-washed kaoline 5 parts, 1300 order coal gangue fine powder 10 parts, 1400 order ultra-fine alumina powder 10 parts, 1250 order ultra-fine barium sulfate 5 parts, 1000 order sericite in powder 2 parts, quick dissolved sodium silicate 2 parts, 5 parts, the water of 30%.
(2) preparation method is:
Step 1, according to above-mentioned formula ratio, water is placed in agitator, add polyvinyl alcohol and carry out stirring and dissolving, agitator speed is 300rpm, and churning time is 10min.
Step 2, silicon sol to be added in the polyvinyl alcohol solution that dissolved.
Step 3, take silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate in proportion and slowly add in liquid prepared by step 2 simultaneously and stir, agitator speed is 700rpm, churning time is 25min, stir, get product.
Embodiment 3
(1) formulation for coating material that provides of the present embodiment is as follows:
This coating comprises the composition of following weight part: polyvinyl alcohol 4 parts, concentration are silicon sol 40 parts, 500 order silicon powder 5 parts, 600 order water-washed kaoline 8 parts, 1400 order coal gangue fine powder 20 parts, 1250 order ultra-fine alumina powder 10 parts, 1400 order ultra-fine barium sulfate 2 parts, 900 order sericite in powder 1 part, quick dissolved sodium silicate 4 parts, 6 parts, the water of 40%.
(2) preparation method is:
Step 1, according to above-mentioned formula ratio, water is placed in agitator, add polyvinyl alcohol and carry out stirring and dissolving, agitator speed is 400rpm, and churning time is 8min.
Step 2, silicon sol to be added in the polyvinyl alcohol solution that dissolved.
Step 3, take silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate in proportion and slowly add in liquid prepared by step 2 simultaneously and stir, agitator speed is 600rpm, churning time is 30min, stir, get product.
Comparative example 1
(1) formulation for coating material is as follows:
This coating comprises the material of following weight part: zinc acrylate resin 6 parts, polypropylene 13 parts, white glue with vinyl 8 parts, 7 parts, calcium oxide, asbestos powder 15 parts, dimethyl silicone oil 20 parts, tween-8014 part, Tris-HCl8 part, KH
2pO
33 parts, 18 parts, water.
(2) preparation method is:
By each component by above-mentioned formula rate mixing, heat under 30 DEG C of conditions, be 6.5 with salt acid for adjusting pH, mix, obtain coating.
Experimental example
Test by the technical performance index of relevant criterion to the coating that above-described embodiment 1 ~ 3 and comparative example 1 provide, wherein compressive strength be paint on the ceramic beaverboard of identical performance index after carry out test (ceramic beaverboard coating coating before intensity be about 0.2MPa), concrete detected result in table 1, the performance test results of the coating that table 1 provides for embodiment 1 ~ 3 and comparative example 1.
The performance test results of the coating that table 1 embodiment 1 ~ 3 and comparative example 1 provide
Experimentally routine known, the coating that the coating that the present invention relates to is produced compared to prior art, has excellent sticking power, wear resisting property, high temperature stability performance and intensity.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a coating, is characterized in that, comprises the composition of following mass parts:
The polyvinyl alcohol of 3 ~ 5 mass parts;
The silicon sol of 30 ~ 50 mass parts;
The silicon powder of 5 ~ 10 mass parts;
The water-washed kaoline of 1 ~ 10 mass parts;
The coal gangue fine powder of 10 ~ 20 mass parts;
The ultra-fine alumina powder of 10 ~ 20 mass parts;
The ultra-fine barium sulfate of 1 ~ 5 mass parts;
The sericite in powder of 1 ~ 5 mass parts;
The quick dissolved sodium silicate of 3 ~ 5 mass parts;
The water of 5 ~ 10 mass parts.
2. coating according to claim 1, is characterized in that, comprises the composition of following mass parts:
The polyvinyl alcohol of 3.5 ~ 4.5 mass parts;
The silicon sol of 35 ~ 45 mass parts;
The silicon powder of 6 ~ 9 mass parts;
The water-washed kaoline of 3 ~ 7 mass parts;
The coal gangue fine powder of 12 ~ 18 mass parts;
The ultra-fine alumina powder of 12 ~ 18 mass parts;
The ultra-fine barium sulfate of 2 ~ 4 mass parts;
The sericite in powder of 2 ~ 4 mass parts;
The quick dissolved sodium silicate of 3.5 ~ 4.5 mass parts;
The water of 6 ~ 9 mass parts.
3. coating according to claim 1, is characterized in that, described polyvinyl alcohol is cold soluble type polyvinyl alcohol.
4. coating according to claim 1, is characterized in that, the mass concentration of described silicon sol is 20wt% ~ 40wt%, and the particle size analysis in described silicon sol is 20 ~ 30nm.
5. coating according to claim 1, it is characterized in that, particle diameter >=300 order of described silicon powder, particle diameter >=400 order of water-washed kaoline, particle diameter >=1250 order of coal gangue fine powder, particle diameter >=1250 order of ultra-fine alumina powder, particle diameter >=1250 order of ultra-fine barium sulfate, particle diameter >=800 order of sericite in powder.
6. a preparation method for coating, is characterized in that, comprises the following steps:
By polyvinyl alcohol, silicon sol, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder, quick dissolved sodium silicate and water mix and blend, obtain coating.
7. preparation method according to claim 6, is characterized in that, the rotating speed of described mix and blend is 300 ~ 800rpm.
8. preparation method according to claim 6, is characterized in that, comprises the following steps:
A) by polyvinyl alcohol and water mix and blend, polyvinyl alcohol solution is obtained;
B) described polyvinyl alcohol solution is mixed with silicon sol, obtain mixture;
C) by described mixture, silicon powder, water-washed kaoline, coal gangue fine powder, ultra-fine alumina powder, ultra-fine barium sulfate, sericite in powder and quick dissolved sodium silicate mix and blend, coating is obtained.
9. preparation method according to claim 8, is characterized in that, steps A) in, the rotating speed of described mix and blend is 300 ~ 500rpm, and the time of described mix and blend is 5 ~ 10min.
10. preparation method according to claim 8, is characterized in that, step B) in, the rotating speed of described mix and blend is 600 ~ 800rpm, and the time of described mix and blend is 15 ~ 30min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108976943A (en) * | 2018-07-20 | 2018-12-11 | 安徽宏翔农业机械有限公司 | A kind of agricultural machinery polyvinyl alcohol-sodium metasilicate-fluorine carbon emulsion composite antirust paint preparation method |
| CN113943166A (en) * | 2021-11-29 | 2022-01-18 | 郑州安耐克实业有限公司 | High-strength clayey refractory mortar for hot blast furnace and preparation method thereof |
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| CN101037342A (en) * | 2007-02-09 | 2007-09-19 | 江苏苏嘉集团新材料有限公司 | Nitride aluminum hydrolyzing combined fire-resistant material |
| CN101117550A (en) * | 2007-09-10 | 2008-02-06 | 山东鲁阳股份有限公司 | High temperature binding agent and preparation method thereof |
| KR20110093970A (en) * | 2011-07-13 | 2011-08-19 | 이재환 | Composition of nano composite |
| CN104926332A (en) * | 2015-06-25 | 2015-09-23 | 张婷 | Corundum fireproof coating |
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| CN108976943A (en) * | 2018-07-20 | 2018-12-11 | 安徽宏翔农业机械有限公司 | A kind of agricultural machinery polyvinyl alcohol-sodium metasilicate-fluorine carbon emulsion composite antirust paint preparation method |
| CN113943166A (en) * | 2021-11-29 | 2022-01-18 | 郑州安耐克实业有限公司 | High-strength clayey refractory mortar for hot blast furnace and preparation method thereof |
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