CN106752964B - A kind of graphene abrasion resistant fire blocking anti-corrosive powder paint and preparation method thereof - Google Patents
A kind of graphene abrasion resistant fire blocking anti-corrosive powder paint and preparation method thereof Download PDFInfo
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- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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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- 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
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Abstract
The present invention relates to a kind of graphene abrasion resistant fire blocking anti-corrosive powder paints and preparation method thereof, belong to industrial antisepsis Material Field.The graphene abrasion resistant fire blocking anti-corrosive powder paint is obtained by mixing by fire retardant, anticorrosive material and wear-resisting seepage resistant material, wherein fire retardant, anticorrosive material includes graphene fire retardant, anticorrosive modified resin.This graphene abrasion resistant fire blocking anti-corrosive powder paint temperature resistant capability is greater than 200 DEG C, and warm varying stress is strong, can have both the performances such as fire-retardant, anti-corrosion, wear-resisting and resistance to erosion simultaneously, nontoxic, at low cost, cost performance is high, it is applied widely, it is able to satisfy the application demand of any link in desulphurization system.The preparation method of above-mentioned graphene abrasion resistant fire blocking anti-corrosive powder paint is simple and convenient, easy to operate and control.
Description
Technical field
The present invention relates to industrial antisepsis Material Fields, and in particular to a kind of graphene abrasion resistant fire blocking anti-corrosive powder paint and
Preparation method.
Background technique
The energy resource structure in China is rich coal, few oil, lean gas, and coal is the long-term main energy sources in China, therefore Coal-fired Thermal Power
Factory or heating boiler still occupy an important position in national economy from now on.As national energy conservation and emission reduction strategy deeply promotes,
The implementation that coal fired thermal power plant or heating boiler will adapt to national energy conservation and emission reduction strategic objective will carry out sulfide in flue gas depth
Purification, current main sulfur removal technology is Limestone-gypsum Wet Flue Gas Desulfurization Process, is needed in process system using a large amount of preserving timber
Material.And requirement of the different processing steps to anti-corrosion material respectively has at anti-corrosion (acidproof, alkaline-resisting), wear-resisting, heatproof and fire-retardant aspect
Stress.The domestic anti-corrosion material in desulphurization system can not meet above-mentioned requirements simultaneously at present, and be mainly reflected in heatproof and resistance
Combustion aspect.
Sulfur dioxide absorption system (acidproof), the conveying of serum producing system (alkaline-resisting) flue gas and exhaust system in desulphurization system
(corrosion resistant wants heatproof simultaneously) must all carry out preservative treatment.Flue gas also has a small amount of sulfur trioxide, in flue gas after desulfurization
Remaining sulfur trioxide is easy to dissolve in the flue gas of the humidity, forms the very strong dilute sulfuric acid solution of corrosivity.Currently, for acidproof
The material of corrosion has very much.But due to there is a large amount of flow at high speed flue gas in desulfurizer operational process, and with
Granular solid matter to the washing away of erosion resistant coating, wears quite serious, conventional erosion resistant coating and will generally be washed within several days and subtract
Thin, perforation leaks soon, leads to the out of service of desulphurization system.
In the prior art, there are many desulphurization system corrosion-resistant scheme.Such as: absorption tower entrance flue uses high nickel-base alloy-steel
Plate (C276) does liner and carries out anti-corrosion, but alloy material is very expensive, it is also difficult to which secondary operation is not easy large area and is used in push away
Extensively；A kind of feasible program of chimney anticorrosion is that lining pastes acidproof foam glass brick and binder as corrosion protective covering, but this side
The material of case is unstable, and domestic production, construction producer are more, and unstable quality, brick is easily burst under temperature alternating stress, bonding
Agent heat resistance is also poor, and difficulty of construction is big, and thermal power plant fails with this scheme mostly at present；Absorption tower tower body anti-corrosion
Using glass flake, such scheme complex process in construction, and there are a large amount of toxic, inflammable volatile gases to generate, pole
Easily cause fire incident.
The anti-corrosion of wet desulfurization system has the characteristics that adapt to that requirement for anticorrosion can be met under totally different operating condition.Such as
Flue gas high speed washes away area, also to there is wear resistence other than requiring anti-corrosion；Trembling, temperature denaturation and wind-force during flow of flue gas are drawn
Certain deformation risen, it is desirable that anticorrosion structure keeps anti-corrosive properties under the premise of having in high tenacity；Anticorrosion structure is to the strong of matrix
Degree has the requirement of oneself, such as glass flake, if matrix is denaturalized, glass flake necessarily cracks, this requires
Anticorrosion structure will be still to keep antiseptic property in the case where deforming with matrix and deform.
In existing desulfurization aseptic technic largely use oil paint class, clay class Corrosion prevention scheme, construction in be both needed to using
Diluent, curing agent carry out pre-coordination to coating, clay and generate toxic, inflammable volatile gas, become initiation
The inducement of fire, construction safety risk are very high.Anti-corrosion material in currently employed Corrosion prevention scheme can not meet wear-resisting, resistance simultaneously
Combustion and corrosion-resistant requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of graphene abrasion resistant fire blocking anti-corrosive powder paint, the temperature resistant capability of the coating is big
In 200 DEG C, warm varying stress is strong, can have both the performances such as fire-retardant, anti-corrosion, wear-resisting and resistance to erosion, nontoxic, at low cost, cost performance simultaneously
Height, it is applied widely, it is able to satisfy the application demand of any link in desulphurization system.
Another object of the present invention is to provide the preparation method of above-mentioned graphene abrasion resistant fire blocking anti-corrosive powder paint, this systems
Preparation Method is simple and convenient, easy to operate and control.
The present invention solves its technical problem and adopts the following technical solutions to realize:
The present invention proposes a kind of graphene abrasion resistant fire blocking anti-corrosive powder paint, by fire retardant, anticorrosive material and wear-resisting seepage resistant material
Composition, wherein fire retardant, anticorrosive material includes graphene fire retardant, anticorrosive modified resin.
The present invention also proposes a kind of preparation method of above-mentioned graphene abrasion resistant fire blocking anti-corrosive powder paint, i.e., by fire retardant, anticorrosive
Material and the mixing of wear-resisting seepage resistant material, obtain graphene abrasion resistant fire blocking anti-corrosive powder paint.
The beneficial effect of graphene abrasion resistant fire blocking anti-corrosive powder paint is in present pre-ferred embodiments: it is by fire retardant, anticorrosive
Material and wear-resisting seepage resistant material composition, make graphene abrasion resistant fire blocking anti-corrosive powder paint have both fire-retardant, anti-corrosion, wear-resisting and impervious work
With.Wherein, fire retardant, anticorrosive material contains with high-termal conductivity, high conductivity, high mechanical strength, high tenacity, high ductibility and height
The graphene modified resin of anti-corrosive properties.So that the graphene abrasion resistant fire blocking anti-corrosive powder paint in the present invention has following property
Can: highest heatproof is up to 600 DEG C；Impact strength is up to 150kg/cm；Low solidification temperature and time be respectively smaller than 300 DEG C and
1h；Adhesion strength is greater than 2MPa；Anti-flammability is up to the V0 grade in UL94 standard；High abrasion resistance；Corrosion resistance is ordinary resin
Twice, the corrosion requirement such as acid and alkali-resistance under complicated chemical environment is able to satisfy, such as at 90 DEG C and dilute sulfuric acid that concentration is 30% is molten
After impregnating 168 hours in liquid, no dusting, blistering, cracking and obscission are ageing-resistant；Non-volatility gas in use process
(VOC) it generates, without the heavy metals such as lead, cadmium, chromium and mercury, asepsis environment-protecting；For dusty material, electrostatic spraying, application property can be used
It can be good.Therefore graphene abrasion resistant fire blocking anti-corrosive powder paint temperature varying stress of the invention is strong, can have both fire-retardant, anti-corrosion, resistance to simultaneously
Mill and the performances such as resistance to erosion, nontoxic, at low cost, cost performance is high, applied widely, is able to satisfy answering for any link in desulphurization system
Use demand.Preparation method is simple and convenient, easy to operate, easy to control.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Have below to a kind of graphene abrasion resistant fire blocking anti-corrosive powder paint of the embodiment of the present invention and preparation method thereof
Body explanation.
Graphene abrasion resistant fire blocking anti-corrosive powder paint provided in an embodiment of the present invention, by fire retardant, anticorrosive material and wear-resisting impervious
Material is obtained through physical mixed.Preferably, can be by fire retardant, anticorrosive material and wear-resisting seepage resistant material in air in the present embodiment
Reaction kettle for stirring and mixing, wherein weight percent of the fire retardant, anticorrosive material in graphene abrasion resistant fire blocking anti-corrosive powder paint
It such as can be 60-90%, abrasion resistant fire blocking possessed by resulting graphene abrasion resistant fire blocking anti-corrosive powder paint under this ratio
It can be more excellent.By being stirred continuously to material in mixed process, reaction kettle internal temperature can be made uniform, and reaching keeps material mixed
Close uniform and augmentation of heat transfer, mass transfer effect.
Wherein, fire retardant, anticorrosive material includes graphene fire retardant, anticorrosive modified resin.Graphene be one kind by carbon atom with sp2
Hybridized orbit forms the flat film that hexangle type is in honeycomb lattice, while being also a kind of two-dimentional material of only one carbon atom thickness
Material.It has high-termal conductivity, high conductivity, high mechanical strength, high-ductility as nano material most thin but also most hard in the world
Property, high ductibility and high anti-corrosive properties.In order to make graphene be more applicable for desulphurization system, the embodiment of the present invention carries out graphene
Modification, to enhance its fire-retardant and antiseptic property, to slow down, terminate or prevent flaming combustion and corrosion phenomenon.After tested,
Modified resulting graphene fire retardant, anticorrosive modified resin has the following performance: highest heatproof is up to 600 DEG C；Impact strength can
Up to 150kg/cm；Low solidification temperature and time are respectively smaller than 300 DEG C and 1h；Adhesion strength is greater than 2MPa；Anti-flammability is up to UL94
V0 grade in standard；High abrasion resistance；Corrosion resistance is twice of ordinary resin, the acid and alkali-resistance being able to satisfy under complicated chemical environment
Equal corrosion requirement, such as at 90 DEG C and concentration is impregnates 168 hours in 30% dilution heat of sulfuric acid after, no dusting, blistering, cracking and
Obscission, it is ageing-resistant；Non-volatility gas (VOC) generates in use process, nontoxic without heavy metals such as lead, cadmium, chromium and mercury
Environmental protection；For dusty material, electrostatic spraying can be used, workability is good.
It is optionally, fire-retardant anti-in the present embodiment in order to further increase the anti-flammability and anti-corrosive properties of fire retardant, anticorrosive material
Rotten material for example can also include any one in acrylic resin, vinylite, epoxy resin and alkyl silicate.
Wherein, acrylic resin is made of esters of acrylic acid and methyl acrylic ester and the copolymerization of other olefinic type monomers
Resin can be divided into thermoplastic acrylic resin and thermosetting acrylic resin according to structure and the difference of membrane formation mechanism again.Thermoplastic
Property acrylic resin acrylic acid, methacrylic acid and its derivative (such as esters, nitrile and amides) polymerization made of thermoplastic
Property resin.It does not occur to be further crosslinked in film forming procedure, therefore relative molecular weight is larger, has preferable Physical Mechanical
Can, it can be repeatedly by thermal softening and cooled and solidified.In addition, it also has preferable guarantor light colour retention, water-fast chemical resistance, drying
Fastly, easy for construction, being easy to construct recoats and does over again.And thermosetting acrylic resin is with acrylic monomer (methyl acrylate, third
Olefin(e) acid ethyl ester, n-butyl acrylate and methyl methacrylate, n-BMA etc.) be basis, it is crosslinked at
The insoluble and not molten acrylic acid series polymeric compounds of network structure.Its relative molecular weight is lower compared with thermoplastic acrylic resin.But it has
There are excellent richness, gloss, hardness, heat resistance, water resistance, solvent resistance and wear-resisting scratch-proofness.
Vinylite is made by epoxy resin and methacrylic acid by open loop addition chemical reaction.It includes standard type
Bisphenol-A epoxy vinylite, flame-proof ethylene base resin, phenol formaldehyde epoxy vinyl ester resin, flexible ethylene base ester resin and PU
Modified epoxy vinyl ester resin etc..Wherein, standard type bisphenol-A epoxy vinylite due to its strand both ends double bond and
It is active, so that vinylite is solidified rapidly, obtains the polymer with high corrosion resistance.Flame-proof ethylene base resin is general
It is synthesized using brominated epoxy resin, due to containing bromine in resin, therefore it again can be fire-retardant while with chemical resistance.Phenolic aldehyde
Epoxy vinyl ester resin thermal stability with higher, solidification post-crosslinking density it is big, heat distortion temperature up to 120-135 DEG C,
And there is good acid-fast alkali-proof and inoxidizability, long service life.Flexible ethylene base ester resin is with higher viscous
Connecing property, elongation percentage, shock strength and wearability are higher.PU modified epoxy vinyl ester resin is by carbamate to epoxy
Vinyl esters is modified and obtains, and has the unsaturation of unsaturation and the end of the chain in chain, corrosion resistance, flexibility and craftsmanship concurrently
It is more excellent.
Epoxy resin send out it can with a plurality of types of curing agent due to containing active epoxy group in its molecular structure
It gives birth to cross-linking reaction and forms insoluble, the insoluble high polymer with three-dimensional reticular structure.Therefore it has the following characteristics that solidification side
Just, adhesive force is strong, shrinkage is low, chemical stabilization, resistance to mould.In addition, it also has good insulating properties, resistant to chemical etching.
Alkyl silicate has fabulous adhesive force and anti-rust action to metal, and electric conductivity, heat resistance, solvent resistance and
Rust-preventing characteristic etc. is more prominent.
Preferably, the weight percent of graphene modified resin for example can be 80- in above-mentioned fire retardant, anticorrosive material
95%.It can be with minimum in the fire retardant, anticorrosive material that graphene fire retardant, anticorrosive modified resin and other materials are obtained by mixing by this ratio
Cost reaches optimum resistance combustion anti-corrosion effect.
Because the coating of the present embodiment also needs on the basis of with fire retardant, anticorrosive effect with centainly wear-resisting and impervious
Effect.Preferably, the wear-resisting seepage resistant material in the present embodiment for example may include any in glass powder and glass flake
It is a kind of.
Wherein, glass powder belongs to the peace other easy to polish anti-zoned high transparency powder of rice micro-nano, and partial size is small, good dispersion, transparent
Degree is high and result of prevention is preferable.Because glass powder purity is high and performance stablize, with it is most of acid, alkali do not react, therefore its have compared with
Strong resistance to corrosion.In addition, glass powder all has good compatibility to various types of resins, absorption property is good, mixed with solidfied material
When conjunction, the tension and compression strength of solidfied material can be improved, increases the thermal coefficient and anti-flammability of solidfied material.In addition, by glass powder
For that can combine closely by its granularity advantage with substances such as resins in coating, so that the excellent coating finished product of globality is formed,
It is applied to seamless generation behind the surface of material to be coated, therefore there is good anti-permeability performance.Preferably, in the present embodiment glass powder grain
Diameter can control in 900-1100 mesh, and wearability possessed by glass powder and impermeability, balance are best in this particle size range.
Glass flake refers generally to 3-4 μm of flakey thin glass product, mainly as additive material for synthesizing tree
The mixing material of rouge and anticorrosive coating field.Glass flake has good impermeability, can prevent corrosive ion and rain
Water is impregnated with.Specifically, glass flake is in the palace formula structure of parallel overlapping arrangement in resin when in coating, thus
Form fine and close impervious barrier structure.Infiltration in the resin of corrosive medium after hardening has to pass through layer upon layer of bending way
Therefore diameter in certain thickness anti-corrosion layer, substantially prolongs the corrosion penetration distance of corrosive medium, to improve anti-
Infiltration property.Preferably, the partial size of glass flake can control in 700-900 mesh in the present embodiment, glass flake in this particle size range
Possessed wearability and impervious balance are best.
It is optionally, wear-resisting anti-in the present embodiment in order to further increase the wearability and impermeability of wear-resisting seepage resistant material
Seeping material for example can also include at least one of schmigel and ceramic powder.Wherein, schmigel purity is high, self-sharpening are good, resistance to
Acid and alkali corrosion, high temperature resistant and hot performance are stablized；Hardness is slightly above Brown Alundum, and grinding capacity is strong, calorific value is small.Ceramic powder also has
Have a preferable wearability, can high temperature resistant and corrosion-resistant, absorbability difference namely impervious good.Preferably, to make schmigel or ceramics
Powder is more preferable with other wear-resisting impervious materials and fire retardant, anticorrosive material mixed effect, schmigel or ceramic powder in the present embodiment
Partial size can be controlled separately in 300-500 mesh or 700-900 mesh.
In addition, wear-resisting seepage resistant material can also be including silicon carbide etc..Silicon carbide has stable chemical performance, thermal coefficient
Height, thermal expansion coefficient is small, wear-resisting property is good and resistance to thermal shock, advantage small in size, light-weight, intensity is high.
When wear-resisting seepage resistant material includes simultaneously ceramic powder and glass powder, the weight ratio of the two such as can be 0.5-
1.5:1-2；When wear-resisting seepage resistant material includes simultaneously schmigel and glass flake, the weight ratio of the two can be such as 1-2:
0.5-1.5.Under said ratio, each ingredient played the role of after collective effect in wear-resisting seepage resistant material it is wear-resisting and impervious most
It is good.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
The acrylic resin of the graphene fire retardant, anticorrosive modified resin and 20 parts by weight that take 80 parts by weight is as fire retardant, anticorrosive
Material.The glass powder that partial size is 900 mesh and the ceramic powder that partial size is 700 mesh are taken, is conduct after 1:0.5 is mixed according to weight ratio
Wear-resisting seepage resistant material.It then is by weight 6:4 in air stirring reaction by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It is mixed in kettle, obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 2
The vinylite of the graphene fire retardant, anticorrosive modified resin and 5 parts by weight that take 95 parts by weight is as fire-retardant anti-corrosive wood
Material.The glass powder that partial size is 1100 mesh and the ceramic powder that partial size is 900 mesh are taken, is conduct after 2:1.5 is mixed according to weight ratio
Wear-resisting seepage resistant material.It then is by weight 9:1 in air stirring reaction by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It is mixed in kettle, obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 3
The epoxy resin of the graphene fire retardant, anticorrosive modified resin and 12 parts by weight that take 88 parts by weight is as fire-retardant anti-corrosive wood
Material.The glass powder that partial size is 1000 mesh and the ceramic powder that partial size is 800 mesh are taken, is conduct after 1.5:1 is mixed according to weight ratio
Wear-resisting seepage resistant material.It then is by weight 7.5:2.5 in air stirring by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It is mixed in reaction kettle, obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 4
The epoxy resin of the graphene fire retardant, anticorrosive modified resin and 12 parts by weight that take 88 parts by weight is as fire-retardant anti-corrosive wood
Material.The glass powder that partial size is 1000 mesh and the ceramic powder that partial size is 800 mesh are taken, is conduct after 1.5:1 is mixed according to weight ratio
Wear-resisting seepage resistant material.It then is by weight 7.5:2.5 in air stirring by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It is mixed in reaction kettle, obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 5
The alkyl silicate of the graphene fire retardant, anticorrosive modified resin and 10 parts by weight that take 90 parts by weight is as fire retardant, anticorrosive
Material.The glass flake that partial size is 700 mesh and the schmigel that partial size is 300 mesh are taken, is to make after 0.5:1 is mixed according to weight ratio
For wear-resisting seepage resistant material.It then is by weight 8:2 anti-in air stirring by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It answers in kettle and mixes, obtain graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 6
The acrylic resin of the graphene fire retardant, anticorrosive modified resin and 10 parts by weight that take 90 parts by weight is as fire retardant, anticorrosive
Material.The glass flake that partial size is 900 mesh and the schmigel that partial size is 500 mesh are taken, is to make after 1.5:2 is mixed according to weight ratio
For wear-resisting seepage resistant material.It then is by weight 9:1 anti-in air stirring by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It answers in kettle and mixes, obtain graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 7
Take graphene fire retardant, anticorrosive modified resin as fire retardant, anticorrosive material.Take the glass powder that partial size is 1000 mesh as resistance to
Grind seepage resistant material.It then is by weight 6:4 in air stirring reaction kettle by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
Middle mixing obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 8
Take graphene fire retardant, anticorrosive modified resin as fire retardant, anticorrosive material.Take the schmigel that partial size is 400 mesh as resistance to
Grind seepage resistant material.It then is by weight 8:2 in air stirring reaction kettle by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
Middle mixing obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 9
The acrylic resin of the graphene fire retardant, anticorrosive modified resin and 10 parts by weight that take 90 parts by weight is as fire retardant, anticorrosive
Material.The schmigel and silicon carbide that taking partial size is the glass flake of 800 mesh, partial size is 400 mesh are 1.5:2 according to weight ratio:
Wear-resisting seepage resistant material is used as after 0.5 mixing.It then is by weight that 9:1 exists by above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material
It is mixed in air stirring reaction kettle, obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Embodiment 10
The acrylic resin of the graphene fire retardant, anticorrosive modified resin and 10 parts by weight that take 90 parts by weight is as fire retardant, anticorrosive
Material.Taking partial size is the glass powder of 1000 mesh, the schmigel that partial size is 400 mesh and ceramic powder that partial size is 800 mesh, according to weight
Amount is than being used as wear-resisting seepage resistant material after mixing for 1.5:2:0.5.Then above-mentioned fire retardant, anticorrosive material and wear-resisting seepage resistant material are pressed
Weight ratio is that 7:3 is mixed in air stirring reaction kettle, obtains graphene abrasion resistant fire blocking anti-corrosive powder paint.
Above-described embodiment 1-10 is repeated to prepare enough graphene abrasion resistant fire blocking anti-corrosive powder paints, and by embodiment
The powdery paints that 1-10 is prepared is respectively as test group 1-10, as a control group with commercially available powdery paints, using national standard side
Method carries out measured performance parameter to the powdery paints of test group and control group.After measured, powder involved in test group and control group
Last each relevant parameter of coating is as shown in table 1:
The performance parameter of 1 powdery paints of table
As can be seen from Table 1, embodiment 10 provided in an embodiment of the present invention prepares resulting graphene abrasion resistant fire blocking anti-corrosion
Powdery paints prepares the comprehensive performance of resulting graphene abrasion resistant fire blocking anti-corrosive powder paint more preferably compared with remaining 9 groups of embodiment.Its
Reason is that the composition and proportion of fire retardant, anticorrosive material and wear-resisting seepage resistant material in embodiment 10 are more excellent compared with other embodiments, therefore
Performance powder coating obtained by the embodiment is optimal.It can be seen that compared with the performance possessed by the control group coating, the present invention is real
The graphene abrasion resistant fire blocking anti-corrosive powder paint of example offer is applied in main performance parameter, for example, impact strength, bond strength,
It is intended in heat resisting temperature, acid resistance (30% dilute sulfuric acid) and alkali resistance (30%NaOH) more excellent than commercially available powdery paints.
Its reason joined the graphene fire retardant, anticorrosive with excellent flame antiseptic property in fire retardant, anticorrosive material in this present embodiment
Modified resin, and the ingredient it is shared in fire retardant, anticorrosive material and entire wear-and corrosion-resistant powdery paints specific gravity it is all larger.
Therefore, under the action of graphene fire retardant, anticorrosive modified resin, each graphene abrasion resistant fire blocking anticorrosive powder in the embodiment of the present invention
The fire-retardant of coating, anti-corrosion, wear-resisting and anti-permeability performance are considerably beyond commercially available other powdery paints.
In conclusion the graphene abrasion resistant fire blocking anti-corrosive powder paint of the embodiment of the present invention has stronger bond strength,
Treat the roughness no requirement (NR) of corrosion-resistant workpiece surface, can more existing spraying process save sandblasting link.This powdery paints can
Using electrostatic spraying one-pass molding, without adding the reagents such as diluent, curing agent in construction to carry out pre-coordination to coating,
It is generated in use process without inflammable, toxic volatile chemical, avoids fire hazard.Because this product coating can once at
Type and anti-corrosion ability are twice of current material or more, and when reaching same anti-corrosion effect, coating layer thickness is smaller than 1mm, are saved
Construction time.In addition, this coating is prepared using high temperature heat curing techniques, therefore it is by environment, as temperature and humidity influence compared with
It is small, it is able to satisfy desulphurization system to the performance requirement of anti-corrosion material, it is applied widely, it is especially suitable for applying appointing in desulphurization system
What anti-corrosion link.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (8)
1. a kind of graphene abrasion resistant fire blocking anti-corrosive powder paint, which is characterized in that mainly by fire retardant, anticorrosive material and wear-resisting impervious
Material is obtained by mixing, wherein the fire retardant, anticorrosive material includes graphene fire retardant, anticorrosive modified resin；
The weight percent that the fire retardant, anticorrosive material accounts for the graphene abrasion resistant fire blocking anti-corrosive powder paint is 60-90%；
The weight percent that the graphene fire retardant, anticorrosive modified resin accounts for the fire retardant, anticorrosive material is 80-95%.
2. graphene abrasion resistant fire blocking anti-corrosive powder paint according to claim 1, which is characterized in that the fire-retardant anti-corrosive wood
Material further includes any one in acrylic resin, vinylite, epoxy resin and alkyl silicate.
3. graphene abrasion resistant fire blocking anti-corrosive powder paint according to claim 1, which is characterized in that the wear-resisting impervious material
Material includes any one in glass powder and glass flake.
4. graphene abrasion resistant fire blocking anti-corrosive powder paint according to claim 3, which is characterized in that the grain of the glass powder
Diameter is 900-1100 mesh.
5. graphene abrasion resistant fire blocking anti-corrosive powder paint according to claim 3, which is characterized in that the wear-resisting impervious material
Material further includes at least one of schmigel and ceramic powder.
6. graphene abrasion resistant fire blocking anti-corrosive powder paint according to claim 5, which is characterized in that the wear-resisting impervious material
Material includes the ceramic powder and the glass powder, the weight ratio 0.5-1.5:1-2 of the ceramic powder and the glass powder.
7. graphene abrasion resistant fire blocking anti-corrosive powder paint according to claim 5, which is characterized in that the wear-resisting impervious material
Material includes the schmigel and the glass flake, and the weight ratio of the schmigel and the glass flake is 1-2:0.5-1.5.
8. a kind of preparation method of such as described in any item graphene abrasion resistant fire blocking anti-corrosive powder paints of claim 1-7, special
Sign is, the fire retardant, anticorrosive material and the wear-resisting seepage resistant material are obtained by mixing.
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| CN108546470A (en) * | 2018-05-09 | 2018-09-18 | 韶关航佳信息咨询有限公司 | A kind of Acrylic Powder Coating and its preparation method and application |
| CN109456681A (en) * | 2018-10-26 | 2019-03-12 | 四川大学 | A kind of preparation method of the graphene of anti-corrosive properties/powder thermosetting composite coating |
| CN109535808A (en) * | 2018-11-13 | 2019-03-29 | 普施耐（苏州）工业技术有限公司 | A kind of flame retardant type antiseptic wearable coat for desulfurization inner wall of tower |
| CN113025136A (en) * | 2020-04-10 | 2021-06-25 | 深圳市烯世传奇科技有限公司 | Graphene heat dissipation coating and preparation method and application thereof |
| CN112920661A (en) * | 2021-01-28 | 2021-06-08 | 扬州彩虹粉末涂料有限公司 | High-temperature-resistant anti-drop powder coating |
| CN114106667A (en) * | 2021-11-26 | 2022-03-01 | 中车长江车辆有限公司 | Powder coating and preparation method and application thereof |
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| CN102343697A (en) * | 2011-10-12 | 2012-02-08 | 成都龙泉防腐工程有限公司 | Anticorrosive and wear-resistant material for spraying zones of desulfurization towers |
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| CN102343697A (en) * | 2011-10-12 | 2012-02-08 | 成都龙泉防腐工程有限公司 | Anticorrosive and wear-resistant material for spraying zones of desulfurization towers |
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