CN107652727A - A kind of fire-resistant anticorrosion paint based on graphene and vermiculite and preparation method thereof - Google Patents
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite and preparation method thereof Download PDFInfo
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- CN107652727A CN107652727A CN201711047314.7A CN201711047314A CN107652727A CN 107652727 A CN107652727 A CN 107652727A CN 201711047314 A CN201711047314 A CN 201711047314A CN 107652727 A CN107652727 A CN 107652727A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1637—Macromolecular compounds
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
Abstract
The present invention provides a kind of fire-resistant anticorrosion paint based on graphene and vermiculite and preparation method thereof, includes following component according to mass percent：Bentonite 0.05~10%, vermiculite 5~20%, kaolin 1~10%, graphene 1~20%, schmigel 3~10%, magnesium salt whisker 5~15%, titanium dioxide 10~30%, inorganic binder 30~40%, silicone acrylic emulsion 3~6%；The inorganic binder includes following component according to mass percent：Sodium phosphate 5~20%, sodium metasilicate 60~80%, potassium silicate 5~20% and hydrophobically modified Ludox 10~30%.The coating has higher adhesive force, without to metal surface blasting treatment or carry out corrode roughening processing, enormously simplify difficulty of construction.Meanwhile under the high temperature conditions, coating is non-foaming, is not cracked, does not peel off, the effect such as waterproof, fire prevention, heat-insulation and heat-preservation, antiseptic and rustproof, anti-aging, insulation is played.
Description
Technical field
The present invention relates to fire resistant special type coating material production field, and in particular to a kind of high temperature resistant based on graphene and vermiculite
Anticorrosive paint and preparation method thereof.
Background technology
The continuous hair of China's modern industry, particularly metal structure building, petrochemical industry, the energy at this stage, metallurgy, road and bridge,
The industries such as railway, space flight and aviation and military project ship, the occasion using high-temperature service and auxiliary facility is more and more, but metal material
Oxidation reaction easily occurs with the oxygen in air in hot environment, corrosion phenomena is produced, so that metal material gradually loses by force
Spend and cause structural defect, turn into the hidden danger of various accidents.
Commercially available fire-resistant anticorrosion paint is broadly divided into the inorganic and class of organosilicon two.Existing organic silicon high-temperature anticorrosive paint it is resistance to
Hot temperature is less than 400 DEG C more, and its antiseptic property is poor, and organosilicon bad mechanical property itself, adhesive force.Wearability, solvent resistant
Property is low, can not increasingly meet modern electrical machine, electrical equipment, aerospace and the requirement of resistance to Special Medium, it is difficult at higher temperature for some
The harsh place of degree.The heat resistance of inorganic coating is good, is typically resistant to 400 DEG C~1300 DEG C of high temperature, and film temperature is low, it
Film has excellent weatherability, heat resistance highly stable, good under action of ultraviolet light, meets non-ignitable, the preferable resistant of fire
Metachromia, be not easy to inhale ash, can keep lucid and lively decorative effect, make and use during the generation of non-volatility organic matter, will not
The series of advantages such as environment, raw material resources are abundant, cost is cheap are polluted, thus have obtained wide commercial Application, its market
Prospect, social and economic benefits are very tempting.
In order to adapt to produce the demand constantly lifted now, on the one hand, the high temperature resistant that people improve constantly inorganic coating is prevented
Rotten performance, and constantly improve the pliability of coating and to substrate adhesions such as metal, plastics, solve inorganic coating poor adhesive force
Performance deficiency, adapt it to new production requirement.The Chinese invention patent of application number 201611162668.1, disclose a kind of stone
Black alkene modified inorganic coating and preparation method thereof, the wearability and conductance of coating are improved, but in high pressure resistant and adhesive force
Wait aspect of performance have much room for improvement.The Chinese invention patent of application number 201310158609.7 discloses a kind of mica and graphene
Modified inorganic coating and its application method altogether, improve the adhesive force and resistance to elevated temperatures of inorganic coating, can meet the modern times substantially
Production requirement, but pertain only to add the mica and graphene of lower content, when improving the content of both, the performance of coating
It is unstable, and it is crisp easy to crack to still suffer from film, poor adhesive force defect.
The content of the invention
One of goal of the invention of the present invention is, in view of the above-mentioned problems, providing a kind of high temperature resistant based on graphene and vermiculite
Anticorrosive paint, adhesive force of the inorganic coating in metal surface can be greatly improved, without rotten to metal surface blasting treatment or progress
Roughening processing is lost, enormously simplify difficulty of construction.Meanwhile under the high temperature conditions, coating is non-foaming, is not cracked, does not peel off, rise
To the effect such as waterproof, fire prevention, heat-insulation and heat-preservation, antiseptic and rustproof, anti-aging, insulation, make painted items from thermal chemical damage, heat
Oxidation, member for prolonging service life.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 0.05~10%, vermiculite 5~20%, kaolin 1~10%, graphene 1~20%, schmigel 3~
10%th, magnesium salt whisker 5~15%, titanium dioxide 10~30%, inorganic binder 30~40%, silicone acrylic emulsion 3~6%.
After vermiculite, graphene, titanium dioxide, magnesium salt whisker must be well mixed by it, while add mating reaction；
The inorganic binder includes following component according to mass percent：Sodium phosphate 5~20%, sodium metasilicate 60~
80%th, potassium silicate 5~20% and hydrophobically modified Ludox 10~30%.
Using the fire-resistant anticorrosion paint based on graphene and vermiculite without to metal surface blasting treatment or progress
Corrode roughening processing.
As a kind of preferable scheme, a kind of fire-resistant anticorrosion paint based on graphene and vermiculite, according to quality percentage
Number includes following component：Bentonite 5%, vermiculite 5%, kaolin 7%, graphene 10%, schmigel 6%, magnesium salt whisker 10%,
Titanium dioxide 15%, silicone acrylic emulsion 5%, inorganic binder 37%；It must mix vermiculite, graphene and titanium dioxide, magnesium salt whisker
After closing uniformly, while add mating reaction；The inorganic binder includes following component according to mass percent：Sodium phosphate
10%th, sodium metasilicate 70%, potassium silicate 5% and hydrophobically modified Ludox 15%.
As a kind of preferable scheme, the hydrophobically modified Ludox is by MTMS and methyl ethoxy
Modification forms silicone oil jointly.
As a kind of preferable scheme, the dosage of MTMS and MethylethoxylsiliconFluid Fluid is 1:4~6.
As a kind of preferable scheme, first vermiculite is pre-processed, comprised the following steps that：By vermiculite at 120~150 DEG C
50~70min of lower drying, 40~80min is then calcined at 800~1000 DEG C, obtains expanded vermiculite clinker；By the expansion
Vermiculite clinker grinding, 270 mesh sieves are then crossed, it is standby.
As a kind of preferable scheme, in the graphene, including single-layer graphene and multi-layer graphene, the multilayer stone
The content of black alkene is not less than 5~20%.
The two of the goal of the invention of the present invention are to provide a kind of preparation of the fire-resistant anticorrosion paint based on graphene and vermiculite
Method, properties of product and production efficiency are improved, and ensure that product qualification rate.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of preparation method of the fire-resistant anticorrosion paint based on graphene and vermiculite, comprises the following steps：
S1, potassium silicate, sodium phosphate and sodium metasilicate are poured into Hybrid Heating in container in proportion, temperature control is 50~70
℃；And ceaselessly stir, the hydrophobically modified Ludox of metering is slowly added dropwise, is sufficiently mixed it, obtains inorganic binder；
S2, the vermiculite handled well, graphene, titanium dioxide and magnesium salt whisker are well mixed in proportion, then added
Bentonite, kaolin and schmigel mixing, are eventually adding silicone acrylic emulsion, are stirred 60~120 minutes, obtain coating base mixing
Liquid；
In S3, inorganic binder prepared by S1 and S2 and coating base mixed liquor addition agitator, mixing 1~
6h, make it well mixed, that is, obtain fire-resistant anticorrosion paint.
As a kind of preferable scheme, in the step S2, stirred 90 minutes with 2000~2500r/min, obtain paint-based
Plinth mixed liquor.
As a kind of preferable scheme, in the step S3,3h is stirred with 1200~1600r/min, obtains high-temperature resistant anti-corrosive
Coating.
Due to using above-mentioned technical proposal, the invention has the advantages that：
1. the fire-resistant anticorrosion paint of the present invention, graphene and vermiculite are added, using vermiculite, graphene and titanium dioxide, magnesium
Salt whisker mating reaction, adhesive force of the inorganic coating in metal surface can be greatly improved, without to metal surface blasting treatment or
Carry out corroding roughening processing, enormously simplify difficulty of construction.Meanwhile under the high temperature conditions, coating is non-foaming, is not cracked, no
Peel off, play the effect such as waterproof, fire prevention, heat-insulation and heat-preservation, antiseptic and rustproof, anti-aging, insulation, make painted items from high temeperature chemistry
Burn into thermal oxide, member for prolonging service life.
Graphene is a kind of known most thin two-dimensional material, and with high specific surface area, superpower intensity etc.
Advantage.Also there is good toughness simultaneously, the higher intensity of coating and preferable compatibility can be assigned.Vermiculite has higher layer
Charge number, there is higher cation exchange capacity and stronger cation exch ange adsorption ability, it is preferable coating can be assigned
Absorption property and decay resistance.1700 DEG C or so of kaolin highest refractoriness, assign coating good resistance to elevated temperatures.
Magnesium salt whisker has the integrality that high temperature will not be caused to slide, and when temperature raises, whisker is not decomposed, do not softened, its
Intensity is not almost lost, and assigns the more preferable resistance to elevated temperatures of coating.Meanwhile magnesium salt whisker has very high fracture strength and bullet
Property modulus.Whisker can flexibly bear larger strain and without permanent deformation, whisker through 4% strain also in elastic range,
Permanent deformation is not produced, so as to assign coating higher stability.With the addition of magnesium salt whisker, the anti-of construction material is improved
Compressive Strength and pliability, the compression strength and pliability of material are further increased, it is hard so as to preferably solve organic coating
Spend low, easy to fall off, not weather-proof, not anticorrosive, non-refractory, not fireproof technical deficiency.
2. the fire-resistant anticorrosion paint of the present invention, using inorganic binder, utilizes potassium silicate, sodium phosphate and sodium metasilicate and silicon
The synergy of colloidal sol, improves the resistance to elevated temperatures of coating, and improves the adhesive property of coating.Sodium metasilicate, waterglass is commonly called as, its
In silica with other inorganic components react to form covalent bond and sodium silicate under first time heating and the condition of high temperature
In sodium advantageously reduce the temperature of inorganic system so that coating has more preferable Acclimation temperature scope.Ludox is in film forming mistake
Volume contraction is larger in journey, and film is easy to crack, and hydrophobically modified Ludox can improve the ductility of film, further improves its paint film
Adhesive force, heat resistance and intensity, make the adhesive force of the paint film of coating strong, impact strength is good, and heat resistance is good.
3. adding silicone acrylic emulsion, silicone acrylic emulsion is to add the organic silicon monomer containing unsaturated bond and acrylic monomer
Suitable auxiliary agent, the emulsion being polymerized by nucleocapsid cladding polymerization technique.Silicone acrylic emulsion combines organosilicon fire-resistant, resistance to
The characteristic of the low not v ulnerability of Hou Xing, surface energy and high colour retention, pliability, the characteristic of tack of acrylic resin, add
It is added in the coating of the present invention, improves the high durable of coating, high water-fast, resistant to pollution characteristic..
4. the fire-resistant anticorrosion paint of the present invention, starting components are subjected to substep addition and mixed, it is higher to obtain the uniformity
With coating finished product of good performance.Because the present invention relates to various ingredients and material, it has solid, liquid and silty state,
Its degree of wetting is different, it is necessary to adjust its order for adding and mixing, the mixed degree of the coating finally given according to different characteristics
The uniformity is high, and intensity high adhesion force is good.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 5%, vermiculite 5%, kaolin 7%, graphene 10%, schmigel 6%, magnesium salt whisker 10%, titanium dioxide
15%th, silicone acrylic emulsion 5%, inorganic binder 37%.
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 70%, potassium silicate
5% and hydrophobically modified Ludox 15%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:5.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 15% of the multi-layer graphene.
A kind of preparation method of the fire-resistant anticorrosion paint based on graphene and vermiculite, comprises the following steps：
S1, potassium silicate, sodium phosphate and sodium metasilicate are poured into Hybrid Heating in container in proportion, temperature control is 50~70
℃；And ceaselessly stir, the hydrophobically modified Ludox of metering is slowly added dropwise, is sufficiently mixed it, obtains inorganic binder.
S2, the vermiculite handled well, graphene, titanium dioxide and magnesium salt whisker are well mixed in proportion, then added
Bentonite, kaolin and schmigel mixing, are eventually adding silicone acrylic emulsion, are stirred 100 minutes, and 90 are stirred with 2200r/min
Minute, obtain coating base mixed liquor.
The processing mode of the vermiculite is as follows：By vermiculite at 130 DEG C, 60min is dried, then at 900 DEG C, calcining
60min obtains expanded vermiculite clinker, and the expanded vermiculite clinker is made into expanded vermiculite powder, crosses 270 mesh sieves, standby.
S3, S1 and the S2 inorganic binder prepared and coating base mixed liquor added in agitator, stirred with 1500r/min
4h is mixed, obtains fire-resistant anticorrosion paint.
The present embodiment first prepares inorganic binder and coating base liquid, then by inorganic binder and adds basic mixed liquor
In stir and prepare the fire-resistant anticorrosion paint.Inorganic binder and coating base mixed liquor are prepared respectively, are advantageous to
Give full play to the effect of each material composition and keep the uniformity of coating finished product.Due to the present invention relates to various ingredients and material,
It has solid, liquid and silty state, and its degree of wetting is different to be added and mix, it is necessary to adjust it according to different characteristics
Order, the mixed degree uniformity of the coating finally given is high, and intensity high adhesion force is good.
Effect is played, it is necessary to carry out pre-treatment to vermiculite because vermiculite is not easy to be dispersed in inorganic coating.First high-temperature calcination,
The crystallization water in vermiculite structure is sloughed, is then broken into powder, crosses 270 mesh sieves.Improve adhesive property of the vermiculite to coating, film forming
The influence of performance and weather resistance, so as to obtain the preferable coating of adhesive force.
Embodiment 2
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 6%, vermiculite 10%, kaolin 5%, graphene 7%, schmigel 4%, magnesium salt whisker 8%, titanium dioxide
17%th, silicone acrylic emulsion 4%, inorganic binder 39%.
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 60%, potassium silicate
10% and hydrophobically modified Ludox 20%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:4.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 15% of the multi-layer graphene.
Preparation method is the same as embodiment 1.
Embodiment 3
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 3%, vermiculite 7%, kaolin 3%, graphene 13%, schmigel 5%, magnesium salt whisker 7%, titanium dioxide
16%th, silicone acrylic emulsion 6%, inorganic binder 40%.
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 5%, sodium metasilicate 70%, potassium silicate
10% and hydrophobically modified Ludox 15%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:4.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 15% of the multi-layer graphene.
Preparation method is the same as embodiment 1.
Method of testing such as upper table 1, test result such as table 2.The manufacturing process of test plate (panel) and test plate (panel) is as follows：In surface of steel plate, instead
The coating more than overcoating brush made, can repeatedly it be sprayed with spray gun for paint, degree reaches 3mm after making dry film.Then film is tested.
The coating characteristic method of testing of table 1
The coating characteristic test result of table 2
From table 1 in conjunction with the embodiments 1-3 can be seen that the present invention high-temperature resistant anti-corrosive apply hardness, adhesive force, pliability,
Acid-proof alkaline and high temperature resistant test result reach higher level, and especially effect is more aobvious on adhesive force and high-temperature resistant result
Write, so as to, without to metal surface blasting treatment or carry out corrode roughening processing, enormously simplify difficulty of construction.
Embodiment 4
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 5%, vermiculite 5%, kaolin 15%, graphene 2%, schmigel 6%, magnesium salt whisker 7%, titanium dioxide
15%th, silicone acrylic emulsion 6%, inorganic binder 39%；
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 65%, potassium silicate
10% and hydrophobically modified Ludox 15%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:4.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 10% of the multi-layer graphene.
A kind of preparation method of the fire-resistant anticorrosion paint based on graphene and vermiculite, comprises the following steps：
S1, potassium silicate, sodium phosphate and sodium metasilicate are poured into Hybrid Heating in container in proportion, temperature control is 50~70
℃；And ceaselessly stir, the hydrophobically modified Ludox of metering is slowly added dropwise, is sufficiently mixed it, obtains inorganic binder.
S2, the vermiculite handled well, graphene, titanium dioxide and magnesium salt whisker are well mixed in proportion, then added
Bentonite, kaolin and schmigel mixing, are eventually adding silicone acrylic emulsion, are stirred 80 minutes, and 90 points are stirred with 2500r/min
Clock, obtain coating base mixed liquor.
The processing mode of the vermiculite is as follows：By vermiculite at 150 DEG C, 50min is dried, then at 1000 DEG C, calcining
60min obtains expanded vermiculite clinker, and the expanded vermiculite clinker is made into expanded vermiculite powder, crosses 270 mesh sieves.
S3, S1 and the S2 inorganic binder prepared and coating base mixed liquor added in agitator, stirred with 1300r/min
5h is mixed, obtains fire-resistant anticorrosion paint.
The present embodiment first prepares inorganic binder and coating base liquid, then adds inorganic binder in basic mixed liquor
Stir and prepare the fire-resistant anticorrosion paint.Inorganic binder and coating base mixed liquor are prepared respectively, are advantageous to fill
Distribution waves the effect of each material composition and keeps the uniformity of coating finished product.
Embodiment 5
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 5%, vermiculite 5%, kaolin 10%, graphene 8%, schmigel 6%, magnesium salt whisker 7%, titanium dioxide
15%th, silicone acrylic emulsion 6%, inorganic binder 38%；
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 65%, potassium silicate
10% and hydrophobically modified Ludox 15%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:4.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 10% of the multi-layer graphene.
Preparation method is the same as embodiment 4.
Embodiment 6
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 5%, vermiculite 5%, kaolin 2%, graphene 15%, schmigel 6%, magnesium salt whisker 7%, titanium dioxide
15%th, silicone acrylic emulsion 6%, inorganic binder 39%；
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 65%, potassium silicate
10% and hydrophobically modified Ludox 15%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:4.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 10% of the multi-layer graphene.
Preparation method is the same as embodiment 4.
Comparative example 1：
A kind of fire-resistant anticorrosion paint based on graphene and vermiculite, include following component according to mass percent：
Bentonite 5%, vermiculite 5%, kaolin 10%, schmigel 6%, magnesium salt whisker 7%, titanium dioxide 15%, comprehensive silicon
Hydrochlorate silicon solution 6%, silicone acrylic emulsion 6%, inorganic binder 40%；
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction.
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 65%, potassium silicate
10% and hydrophobically modified Ludox 15%.
The hydrophobically modified Ludox is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.First
The dosage of base trimethoxy silane and MethylethoxylsiliconFluid Fluid is 1:4.In the graphene, including single-layer graphene and multilayer stone
Black alkene, the content 10% of the multi-layer graphene.
Preparation method is the same as embodiment 4.
Method of testing such as upper table 1, test result such as table 3.The manufacturing process of test plate (panel) and test plate (panel) is as follows：In surface of steel plate, instead
The coating more than overcoating brush made, can repeatedly it be sprayed with spray gun for paint, degree reaches 3mm after making dry film.Then film is tested.
The coating characteristic test result of table 3
From table 3 in conjunction with the embodiments 4-6 and comparative example 1 as can be seen that graphene is added with beneficial to hardness, resistance to elevated temperatures
With the raising of weather resistance, meanwhile, as the raising of graphene content, performance are more excellent.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, the equal change completed or modification change under the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (9)
1. a kind of fire-resistant anticorrosion paint based on graphene and vermiculite, it is characterised in that include according to mass percent following
Composition：Bentonite 0.05~10%, vermiculite 5~20%, kaolin 1~10%, graphene 1~20%, schmigel 3~10%,
Magnesium salt whisker 5~15%, titanium dioxide 10~30%, inorganic binder 30~40%, silicone acrylic emulsion 3~6%；
After vermiculite, graphene, titanium dioxide, magnesium salt whisker must be well mixed by it, while add mating reaction；
The inorganic binder includes following component according to mass percent：Sodium phosphate 5~20%, sodium metasilicate 60~80%, silicon
Sour potassium 5~20% and hydrophobically modified Ludox 10~30%；
Using the fire-resistant anticorrosion paint based on graphene and vermiculite without to metal surface blasting treatment or corroding
Roughening processing.
2. the fire-resistant anticorrosion paint according to claim 1 based on graphene and vermiculite, it is characterised in that according to quality
Percentage includes following component：Bentonite 5%, vermiculite 5%, kaolin 7%, graphene 10%, schmigel 6%, magnesium salt whisker
10%th, titanium dioxide 15%, silicone acrylic emulsion 5%, inorganic binder 37%；
After vermiculite, graphene must be well mixed by it with titanium dioxide, magnesium salt whisker, while add mating reaction；
The inorganic binder includes following component according to mass percent：Sodium phosphate 10%, sodium metasilicate 70%, potassium silicate 5%
With hydrophobically modified Ludox 15%.
3. the fire-resistant anticorrosion paint according to claim 1 based on graphene and vermiculite, it is characterised in that described hydrophobic
Modified silicasol is that modification forms jointly with MethylethoxylsiliconFluid Fluid by MTMS.
4. the fire-resistant anticorrosion paint according to claim 3 based on graphene and vermiculite, it is characterised in that methyl trimethoxy
The dosage of TMOS and MethylethoxylsiliconFluid Fluid is 1:4~6.
5. the fire-resistant anticorrosion paint according to claim 1 based on graphene and vermiculite, it is characterised in that first by vermiculite
Pre-processed, comprised the following steps that：Vermiculite is dried into 50~70min at 120~150 DEG C, then at 800~1000 DEG C
40~80min is calcined, obtains expanded vermiculite clinker；By the expanded vermiculite clinker grinding, 270 mesh sieves are then crossed, it is standby.
6. the fire-resistant anticorrosion paint according to claim 1 based on graphene and vermiculite, it is characterised in that the graphite
In alkene, including single-layer graphene and multi-layer graphene, the content of the multi-layer graphene are not less than 5~20%.
7. the preparation of the fire-resistant anticorrosion paint based on graphene and vermiculite according to claim 1-6 any claims
Method, it is characterised in that comprise the following steps：
S1, potassium silicate, sodium phosphate and sodium metasilicate are poured into Hybrid Heating in container in proportion, temperature control is at 50~70 DEG C；And
Ceaselessly stir, the hydrophobically modified Ludox of metering is slowly added dropwise, is sufficiently mixed it, obtains inorganic binder；
S2, the vermiculite handled well, graphene, titanium dioxide and magnesium salt whisker are well mixed in proportion, then add swelling
Soil, kaolin and schmigel mixing, are eventually adding silicone acrylic emulsion, are stirred 60~120 minutes, obtain coating base mixed liquor；
S3, S1 and the S2 inorganic binder prepared and coating base mixed liquor added in agitator, mix 1~6h, make
It is well mixed, that is, obtains fire-resistant anticorrosion paint.
8. the fire-resistant anticorrosion paint according to claim 7 based on graphene and vermiculite, it is characterised in that the step
In S2, stirred 90 minutes with 2000~2500r/min, obtain coating base mixed liquor.
9. the fire-resistant anticorrosion paint according to claim 7 based on graphene and vermiculite, it is characterised in that the step
In S3,3h is stirred with 1200~1600r/min, obtains fire-resistant anticorrosion paint.
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