CN110052574A - A kind of cast paint and preparation method thereof based on graphene technology - Google Patents
A kind of cast paint and preparation method thereof based on graphene technology Download PDFInfo
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- CN110052574A CN110052574A CN201910409379.4A CN201910409379A CN110052574A CN 110052574 A CN110052574 A CN 110052574A CN 201910409379 A CN201910409379 A CN 201910409379A CN 110052574 A CN110052574 A CN 110052574A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
The invention discloses a kind of cast paint and preparation method thereof based on graphene technology, comprising the following steps: (1) pre-process auxiliary rheological agents;(2) suspending agent is pre-processed;(3) bonding agent is pre-processed;(4) refractory material is pre-processed;(5) each raw material is mixed according to following mass fraction: 80~90 parts of pretreated fire resistant infilling, 6~8 parts of pretreated auxiliary rheological agents, 2~4 parts of pretreated suspending agent, 10~15 parts of pretreated bonding agent, 1~2 part of foam inhibitor, 1~2 part of surfactant;(5) above-mentioned raw materials are put into blender and are stirred, coating after taking out stirring is placed in colloid mill again to be ground, and obtaining chemical stability height, anti-metal erosion can strong, advantages of good shielding performance and the cast paint based on graphene technology that can adjust Casting Solidification Temperature Field rapidly.
Description
Technical field
The present invention relates to cast paint technical field, in particular to a kind of cast paint and its system based on graphene technology
Preparation Method.
Background technique
Cast paint refers in casting process, is used to attach on casting mold and fuse, serve isolating metal liquid,
One layer of casting auxiliary material with specific function.General cast paint, all by fire resistant infilling, liquid carrier, binder, suspension
The materials such as stabilizer, other auxiliary agents composition.In general, cast paint requires good specific function, casting scab is such as prevented;
Improve surface finish of casting;Reinforce sand mold wicking surface;Shielding or buffer action (S, N and other gases);Prevent casting flaw
(vein, sintering, stomata and sand hole etc.);Casting surface alloying and crystal grain refinement;Adjust Casting Solidification Temperature Field (enthalpy change casting
Coating, heat preservation cast paint);Casting falling sand and the cleaning amount of labour are reduced, working hour etc. is saved.
Graphene (Graphene) be one kind by carbon atom with sp2Hybridized orbit forms the two dimension that hexangle type is in honeycomb lattice
Carbon nanocapsule thin film material has high mechanical strength (the up to breaking strength of the stretch modulus of 1TPa and 130GPa), high light transmittance
(nearly transparent, only to absorb 2.3% light), (conductivity is up to 10 to high conductivity6S/m), (thermal conductivity is up to high-termal conductivity
5000W/mK), or even most gases and liquid can be completely cut off.
Based on the above-mentioned excellent physical and chemical performance of grapheme material, such as it is applied to cast paint, can improves and mention
Scour resistance, shielding properties and adjusting Casting Solidification Temperature Field of high cast paint etc..
Summary of the invention
In view of the above-mentioned problems existing in the prior art, this application provides a kind of chemical stabilities based on graphene technology
High, anti-metal erosion can strong, advantages of good shielding performance and cast paint and its preparation that can adjust Casting Solidification Temperature Field rapidly
Method.
Technical scheme is as follows: a kind of cast paint and preparation method thereof based on graphene technology, preparation side
Method the following steps are included:
(1) 35~45 number water purifications are weighed to be added in blender, continues to weigh 15~25 number auxiliary rheological agents and slowly adds
Enter and stirred into blender, then weigh 35~42 number carrier fluids and be added in blender while stirring, in 800~1200r/min
It after being stirred 3~5 hours under mixing speed, is homogenized 3~5 times with colloid mill, ageing obtained pretreated stream after 36~48 hours
Become auxiliary agent;
(2) 35~45 number carrier fluids are weighed to be added in blender, continue to weigh 20~30 number suspending agents being slowly added to
It is stirred into blender, then weighs 55~60 number carrier fluids and be added in blender while stirring, stirred in 400~600r/min
It after being stirred 3~5 hours under speed, is homogenized 3~5 times with colloid mill, ageing obtained pretreated suspending agent after 24~28 hours;
(3) 8~12 number bonding agents are weighed, 35~45 number carrier fluids are mixed to join in blender, in 200~300r/
It after being stirred 3~5 hours under min mixing speed, is homogenized 3~5 times with colloid mill, ageing obtains pretreated after 12~15 hours
Bonding agent;
(4) nano metal-graphene composite material of 5~10 numbers, the refractory material of 60~70 numbers, 20~30 are weighed
The carrier fluid of number is mixed to join in blender, after stirring 3~5 hours under 5000~15000r/min mixing speed, uses glue
Body mill homogenizing 3~5 times, obtain pretreated refractory material;
(5) each raw material is mixed according to following mass fraction: 80~90 parts of pretreated fire resistant infilling, pretreated
6~8 parts of auxiliary rheological agents, 2~4 parts of pretreated suspending agent, 10~15 parts of pretreated bonding agent, 1~2 part of foam inhibitor,
1~2 part of surfactant;
(6) above-mentioned raw materials are put into blender, after being stirred 1~2 hour under 800~1200r/min mixing speed, are taken
Coating after stirring out, which is placed in colloid mill, to be ground 20~30 minutes, and the cast paint based on graphene technology is obtained.
Preferably, auxiliary rheological agents are polyacrylamide, xanthan gum, polyvinyl butyral, sodium alginate, carboxymethyl fibre
Tie up one of plain sodium or a variety of.
Preferably, suspending agent is attapulgite, in Rectorite, sepiolite powder, lithium bentonite, sodium bentonite
It is one or more.
Preferably, carrier fluid is water, ethyl alcohol, methanol, isopropanol, n-butanol, petroleum ether, methylene chloride, chloroform, three
One of vinyl chloride, carbon tetrachloride are a variety of.
Preferably, bonding agent be kaolin, waterglass, silica solution, phosphate, sulfate, polyvinyl alcohol, white glue with vinyl,
One of coal tar, pitch, rosin, phenolic resin, silester are a variety of.
Preferably, fire resistant infilling is not less than the quartz of 500 mesh, electro-corundum, kaolin, mullite, zircon sand powder, magnesium
One of olive mountain flour, magnesia powder, Cab-O-sil, whiting, mica, talcum, graphite are a variety of.
Preferably, foam inhibitor is one of n-butanol, n-amyl alcohol, n-octyl alcohol or a variety of.
Preferably, surfactant is alkyl phenol polyoxyethylene ether, Tween-80, one in fatty alcohol polyoxyethylene ether
Kind is a variety of.
Preferably, nano metal-graphene composite material the preparation method is as follows:
(1) take 1~2 part of metal powder, 4~8 parts of grapheme material be placed in planetary ball mill, with 100~400r/min
Revolving speed, dry grinding 2~4 hours after take out and vacuum sealing;
(2) powder mixed in the step (1) is placed in the plasma discharging equipment of starvation and is sintered 3~4
Hour, sintering temperature is 600 DEG C, and heating rate is 80~100 DEG C/min, keeps the temperature 5~10 minutes;
(3) it takes out sintered sample in the step (2) to be placed in planetary ball mill, with turning for 300~500r/min
Fast ball milling 15~20 minutes obtains the nano metal-graphene composite material.
Preferably, metal powder is Nanometer Copper powder, Nanoscale Iron powder, nano aluminum powder, one in Nano-Zinc powder
Kind, the metal powder average particle size is 400~500nm.
Preferably, the lamellar spacing of grapheme material be no more than 10nm, piece diameter size not less than 5 μm, thermal coefficient not
Less than 500W/ (mK).
The present invention is beneficial to be had the technical effect that
1, the present invention pre-processes auxiliary rheological agents, suspending agent, bonding agent, refractory material, is prepared and is cast using multistep processes
Coating is made, by handling raw material step by step, the more uniform densification that cast paint raw material is mixed.
2, the present invention using the excellent thermal conductivity and two-dimensional structure of grapheme material face contact feature, while by graphene
It is mixed with nano metal-graphene composite material with nano metal powder, significantly reduces prepared cast paint
Surface resistivity increases the heating conduction of cast paint, so that cast paint is conducted heat rapidly, adjusts casting solidification rapidly
Temperature field.Nano metal powder is coated by graphene layer level structure after sintering, completely cuts off air, not oxidizable.
3, the two-dimensional structure of grapheme material can form three-dimensional network knot by bridging each other in coating drying process simultaneously
Structure coats refractory material, greatly enhances the mechanical strength of cast paint, obtains the cast paint based on graphene technology more
Excellent anti-metal erosion energy.
4, it since grapheme material completely cuts off shielding properties, is further provided for the cast paint based on graphene technology good
Good shielding or buffer action;Existing metallic bond can be greatly between graphene composite material and metal casting for nano metal-
Increase the adsorption capacity between cast paint and casting, further enhances the erosion resistibility of cast paint.
Specific embodiment
Below with reference to embodiment, the present invention is specifically described.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
(1) 35 number water purifications are weighed to be added in blender, continues to weigh 15 number polyacrylamides to be slowly added into and stir
It mixes in machine and stirs, then weigh 35 number ethyl alcohol and be added in blender while stirring, it is small that 3 are stirred under 800r/min mixing speed
Shi Hou is homogenized 3 times with colloid mill, and ageing obtained pretreated polyacrylamide after 36 hours;
(2) 35 number ethyl alcohol are weighed to be added in blender, continue to weigh 20 number attapulgites being slowly added into stirring
It is stirred in machine, then weighs 55 number ethyl alcohol and be added in blender while stirring, stirred 3 hours under 400r/min mixing speed
Afterwards, it is homogenized 3 times with colloid mill, ageing obtained pretreated attapulgite after 24 hours;
(3) 8 number silica solution are weighed, 35 number ethyl alcohol are mixed to join in blender, under 200r/min mixing speed
It after stirring 3 hours, is homogenized 3 times with colloid mill, ageing obtained pretreated silica solution after 12 hours;
(4) take 1 part of Nanometer Copper powder, lamellar spacing 10nm, piece diameter that average granularity is 400nm having a size of 5 μm, it is thermally conductive
Coefficient is that 4 parts of graphene powder of 500W/ (mK) are placed in planetary ball mill, with the revolving speed of 100r/min, after dry grinding 2 hours
Take out simultaneously vacuum sealing;The powder mixed is placed in the plasma discharging equipment of starvation and is sintered 3 hours, sintering temperature
It is 600 DEG C, heating rate is 80 DEG C/min, and heat preservation is after five minutes;Sintered sample is taken out to be placed in planetary ball mill, with
The revolving speed ball milling of 300r/min 15 minutes obtains the Nanometer Copper-graphene composite material.
(5) the ethyl alcohol mixing for weighing 5 number Nanometer Coppers-graphene composite material, the silica flour of 70 numbers, 25 numbers is added
Into blender, after being stirred 5 hours under 5000r/min mixing speed, it is homogenized 5 times with colloid mill, obtains pretreated stone
Black alkene/silica flour refractory material;
(6) each raw material is mixed according to following mass fraction: pretreated graphene/80 parts of silica flour refractory material,
6 parts of pretreated polyacrylamide, 2 parts of pretreated attapulgite, 10 parts of pretreated silica solution, 1 part of n-butanol,
1 part of alkyl phenol polyoxyethylene ether;
(7) above-mentioned raw materials are put into blender, after being stirred 1 hour under 800r/min mixing speed, after taking out stirring
Coating be placed in colloid mill and grind 20 minutes, obtain the cast paint based on graphene technology.
Embodiment 2
(1) 40 number water purifications are weighed to be added in blender, continue to weigh 20 number polyvinyl butyrals being slowly added to
It is stirred into blender, then weighs 40 number petroleum ethers and be added in blender while stirring, under 1000r/min mixing speed
It after stirring 4 hours, is homogenized 4 times with colloid mill, ageing obtained pretreated polyvinyl butyral after 40 hours;
(2) 40 number petroleum ethers are weighed to be added in blender, continue to weigh 25 number Rectorites being slowly added into
It is stirred in blender, then weighs 58 number petroleum ethers and be added in blender while stirring, stirred under 500r/min mixing speed
It after mixing 4 hours, is homogenized 4 times with colloid mill, ageing obtained pretreated Rectorite after 26 hours;
(3) 10 number pitches are weighed, 40 number petroleum ethers are mixed to join in blender, under 250r/min mixing speed
It after stirring 4 hours, is homogenized 4 times with colloid mill, ageing obtained pretreated pitch after 13 hours;
(4) take 1.5 parts of nano aluminum powder, lamellar spacing 8nm, piece diameter that average granularity is 450nm having a size of 8 μm, lead
Hot coefficient is that 6 parts of graphene powder of 600W/ (mK) is placed in planetary ball mill, with the revolving speed of 300r/min, after dry grinding 3 hours
Take out simultaneously vacuum sealing;The powder mixed is placed in the plasma discharging equipment of starvation and is sintered 3.5 hours, sintering temperature
Degree is 600 DEG C, and heating rate is 90 DEG C/min, after heat preservation 8 minutes;Sintered sample is taken out to be placed in planetary ball mill, with
The revolving speed ball milling of 400r/min 18 minutes obtains the nano aluminum-graphene composite material.
(5) the petroleum ether mixing of 10 number nano aluminums-graphene composite material, the zircon sand powder of 60 numbers, 30 numbers is weighed
It is added in blender, after being stirred 3 hours under 15000r/min mixing speed, is homogenized 3 times with colloid mill, after obtaining pretreatment
Graphene/zircon sand powder refractory material;
(6) each raw material is mixed according to following mass fraction: after pretreated graphene/75 parts of zircon sand powder, pretreatment
7 parts of polyvinyl butyral, 3 parts of pretreated Rectorite, 12 parts of pretreated pitch, 2 parts of n-amyl alcohol, spit
- 80 1 parts of temperature;
(7) above-mentioned raw materials are put into blender, after stirring 1.5 hours under 1000r/min mixing speed, take out stirring
Coating afterwards is placed in colloid mill and grinds 25 minutes, obtains the cast paint based on graphene technology.
Embodiment 3
(1) 45 number water purifications are weighed to be added in blender, continue to weigh 25 number sodium carboxymethylcelluloses being slowly added to
It is stirred into blender, then weighs 42 number ethyl alcohol and be added in blender while stirring, stirred under 1200r/min mixing speed
It after mixing 5 hours, is homogenized 5 times with colloid mill, ageing obtained pretreated sodium carboxymethylcellulose after 48 hours;
(2) 45 number trichloro ethylenes are weighed to be added in blender, continue to weigh 30 number sodium bentonites being slowly added to
It is stirred into blender, then weighs 60 number trichloro ethylenes and be added in blender while stirring, in 600r/min mixing speed
It after lower stirring 5 hours, is homogenized 5 times with colloid mill, ageing obtained pretreated sodium bentonite after 28 hours;
(3) 12 number phenolic resin are weighed, 45 number trichloro ethylenes are mixed to join in blender, in 300r/min stir
It after being stirred 5 hours under speed, is homogenized 5 times with colloid mill, ageing obtained pretreated phenolic resin after 15 hours;
(4) take 2 parts of Nanoscale Iron powder, lamellar spacing 5nm, piece diameter that average granularity is 500nm having a size of 10 μm, it is thermally conductive
Coefficient is that 8 parts of graphene powder of 800W/ (mK) is placed in planetary ball mill, and with the revolving speed of 400r/min, dry grinding takes after 4 hours
Out and vacuum sealing;The powder mixed is placed in the plasma discharging equipment of starvation and is sintered 4 hours, sintering temperature is
600 DEG C, heating rate is 100 DEG C/min, and heat preservation is after ten minutes;Sintered sample is taken out to be placed in planetary ball mill, with
The revolving speed ball milling of 500r/min 20 minutes obtains the Nano Iron-graphite alkene composite material.
(5) the trichloro ethylene mixing of 8 number Nano Iron-graphite alkene composite materials, the graphite powder of 65 numbers, 27 numbers is weighed
It is added in blender, after being stirred 4 hours under 10000r/min mixing speed, is homogenized 4 times with colloid mill, after obtaining pretreatment
Graphene/graphite powder refractory material;
(6) each raw material is mixed according to following mass fraction: after 70 parts of pretreated graphene/graphite powder, pretreatment
8 parts of sodium carboxymethylcellulose, 4 parts of pretreated sodium bentonite, 15 parts of pretreated phenolic resin, 2 parts of n-octyl alcohol,
1 part of fatty alcohol polyoxyethylene ether;
(7) above-mentioned raw materials are put into blender, after being stirred 1~2 hour under 800~1200r/min mixing speed, are taken
Coating after stirring out, which is placed in colloid mill, to be ground 20~30 minutes, and the cast paint based on graphene technology is obtained.
Comparative example 1
Cast paint is made according to the production ingredient and method of the embodiment of the present invention 1~3, and is used in the prior art
Preparation method and prepared composition the preparation comparison cast paint 1 of 201310447720.8 embodiment 3 of state's patent.Carry out coating suspension
The measurement of performance: measuring the 1h suspension of coating under 70 ° of Be, is measured using graduated cylinder method;The measurement of coating density: it is adopted under 70 ° of Be
It is tested with graduated cylinder method;The measurement of coating shear thinning index: 70 ° of Be measure the viscosity of coating under coating 60r/min respectively, then
By the ratio of viscosity, i.e. shear thinning index, as the index for measuring coating application performance;Coating yield value and thixotropic survey
Fixed: 70 ° of Be are stirred coating at 1000r/min with dispersion machine, are placed under rotational viscometer, and viscosmeter screws in
3# rotor, is put into coating, stand 5min, then in order successively setting speed be 6r/min, 12r/min, 30r/min,
60r/min, 30r/min, 12r/min, 6r/min measure the viscosity under every speed and calculate yield value and the thixotroping of coating
Value;Surface resistivity measurement.It the results are shown in Table 1.
Table 1
Embodiment 1 | Embodiment 2 | Embodiment 3 | Compare cast paint 1 | |
Suspensibility | 98.6% | 99.2% | 99.4% | 78.3% |
Density | 2.32g·cm-3 | 2.13g·cm-3 | 2.25g·cm-3 | 1.75g·cm-3 |
Shear thinning index | 8 | 7 | 10 | 5 |
Yield value | 3.6Pa | 3.2Pa | 3.8Pa | 2.5Pa |
Thixotroping value | 1.3Pa·s-1 | 1.6Pa·s-1 | 1.5Pa·s-1 | 0.8Pa·s-1 |
Surface resistivity | 0.23kΩ | 0.36kΩ | 0.55kΩ | 2kΩ |
Comparative example 2:
According to the method preparation comparison cast paint 2 of CN201810538476.9 embodiment 1.According to JB/T9226-2008
Standard is tested.Adhesive force test is measured according to JG/T24-2000 method, and 0 grade preferably, and 1 grade is taken second place.Impermeability is surveyed
It uses instrument to be detected, example 1~3 prepared by the present invention and comparative example is brushed into (glass on a glass several times
Glass plate is first waxed), it is quiet to put 7 days with a thickness of 1.5 millimeters, it is then placed in baking oven under 50 DEG C of environment and dries 24 hours, put after taking-up
It sets 3 hours, does waterproof experiment, impermeability 0.3MPa keeps 30 minutes ne-leakages for qualification, keeps 60 minutes ne-leakages
Be it is good, it is excellent for keeping 90 minutes ne-leakages.Correlation data by its described result and the embodiment of the present invention 1~3 is as shown in table 2.
Thermal coefficient is tested according to GB/T3651-2008 standard.
Table 2
Embodiment 1 | Embodiment 2 | Embodiment 3 | Compare cast paint 2 | |
Adhesive force | 0 grade | 0 grade | 0 grade | 1 grade |
Levelability | 102mm | 103mm | 101mm | 97mm |
Refractoriness | ≥2300℃ | ≥2280℃ | ≥2330℃ | ≥1800℃ |
Gas forming amount | 3.2mL/g | 3.3mL/g | 2.9mL/g | 5.1mL/g |
Strength of coating | 1602g/mm | 1823g/mm | 1563g/mm | 739g/mm |
Dry crack resistance | Free from flaw | Free from flaw | Free from flaw | There is crack |
Impermeability | It is excellent | It is excellent | It is excellent | It is good |
Thermal coefficient | 1.44W/(m·k) | 1.38W/(m·k) | 1.42W/(m·k) | 0.12W/(m·k) |
Comparative example 3:
The step of pretreatment auxiliary rheological agents of embodiment 1, pretreatment suspending agent, pretreatment bonding agent, is left out, is directly adopted
With pretreated auxiliary rheological agents, suspending agent, binder is not carried out, comparison casting material 3 is obtained.The result of its result and former embodiment 1
It compares, the cast paint strength of coating of preparation is 998g/mm, and suspensibility 89.6%, analyzing strength of coating and suspensibility reduces
The reason of be mixed between each raw material not enough uniformly, there are a large amount of gaps, and the intensity of cast paint entirety to be caused to drop between particle
It is low.
Comparative example 4:
The step of nano metal of embodiment 1 and graphene mixed sintering, is left out, nano metal and graphite are directly used
Alkene is mixed with other raw materials, obtains comparison casting material 4.Obtain comparison casting material 4.Its result is compared with the result of former embodiment 1, coating
Strength of coating is 826g/mm, and thermal coefficient is 0.82W/ (mk), it is seen that directly using nano metal and graphene and other raw materials
Mixed effect of optimization is significantly lower than nano metal-graphene composite material that discharge plasma sintering method obtains.Analyze reason
It is the homogenization dispersion that pretreatment facilitates grapheme material and refractory material, while realizes grapheme material to refractory material
Two-dimensional network structureization cladding.
Comparative example 5
(4) the step of embodiment 1 are left out, step (5) uses and do not mix pretreated grapheme material sheet with Nanometer Copper
Body.Obtain comparison casting material 5.Obtain comparison casting material 5.Its result is compared with the result of former embodiment 1, yield value 2.6Pa, coating
Intensity is 523g/mm, and thermal coefficient is 0.35W/ (mk), it is seen that directlys adopt and does not mix pretreated graphene with Nanometer Copper
The performance for the cast paint that material obtains, which is significantly lower than, uses Nanometer Copper-graphene composite material.Analysis is the reason is that Nanometer Copper-stone
There are metallic bonds between black alkene composite material and metal casting, can greatly increase the binding ability between cast paint and casting.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, all improve using above-mentioned graphene superiority now
There are the technical matters and formula of cast paint performance.Belong to the application patent " cast paint based on graphene technology " protection
Range.For those skilled in the art, for the ordinary skill in the art, original of the invention is not being departed from
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where reason and spirit, therefore without departing substantially from right
It is required that and under universal defined by equivalency range, the present invention is not limited to specific details.
Claims (10)
1. a kind of cast paint based on graphene technology, it is characterised in that preparation method the following steps are included:
(1) 35~45 number water are weighed to be added in blender, continues to weigh 15~25 number auxiliary rheological agents to be slowly added into and stir
It mixes in machine and stirs, then weigh 35~42 number carrier fluids and be added in blender while stirring, stir speed in 800~1200r/min
After lower stirring 3~5 hours of degree, after being homogenized 3~5 hours with colloid mill, ageing obtained pretreated rheology after 36~48 hours
Auxiliary agent;
(2) 35~45 number carrier fluids are weighed to be added in blender, continues to weigh 20~30 number suspending agents to be slowly added into and stir
It mixes in machine and stirs, then weigh 55~60 number carrier fluids and be added in blender while stirring, in 400~600r/min mixing speed
It after lower stirring 3~5 hours, is homogenized 3~5 hours with colloid mill, ageing obtained pretreated suspending agent after 24~28 hours;
(3) 8~12 number bonding agents are weighed, 35~45 number carrier fluids are mixed to join in blender, in 100~10000r/min
It after being stirred 3~5 hours under mixing speed, is homogenized 3~5 times with colloid mill, ageing obtains pretreated viscous after 12~15 hours
Connect agent;
(4) nano metal-graphene composite material of 5~10 numbers, the refractory material of 60~70 numbers, 20~30 numbers are weighed
Carrier fluid be mixed to join in blender, after stirring 3~5 hours under 5000~15000r/min mixing speed, use colloid mill
Homogenizing 3~5 times, obtains pretreated refractory material;
(5) each raw material is mixed according to following mass fraction: 80~90 parts of pretreated fire resistant infilling, pretreated rheology
6~8 parts of auxiliary agent, 2~4 parts of pretreated suspending agent, 10~15 parts of pretreated bonding agent, 1~2 part of foam inhibitor, surface
1~2 part of activating agent;
(6) above-mentioned raw materials are put into blender, after stirring 1~2 hour under 800~1200r/min mixing speed, taking-up is stirred
Coating after mixing is placed in colloid mill and grinds 20~30 minutes, obtains the cast paint based on graphene technology.
2. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the auxiliary rheological agents are
One of polyacrylamide, xanthan gum, polyvinyl butyral, sodium alginate, sodium carboxymethylcellulose are a variety of;
The suspending agent be one of attapulgite, Rectorite, sepiolite powder, lithium bentonite, sodium bentonite or
It is a variety of.
3. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the carrier fluid be water,
One of ethyl alcohol, methanol, isopropanol, n-butanol, petroleum ether, methylene chloride, chloroform, trichloro ethylene, carbon tetrachloride or
It is a variety of.
4. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the bonding agent is height
Ridge soil, waterglass, silica solution, phosphate, sulfate, polyvinyl alcohol, white glue with vinyl, coal tar, pitch, rosin, phenolic resin, silicon
One of acetoacetic ester is a variety of.
5. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the fire resistant infilling is
Not less than the quartz of 500 mesh, electro-corundum, kaolin, mullite, zircon sand powder, forsterite powder, magnesia powder, Cab-O-sil, chalk
One of powder, mica, talcum, graphite are a variety of.
6. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the foam inhibitor is positive
One of butanol, n-amyl alcohol, n-octyl alcohol are a variety of.
7. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the surfactant
For one of alkyl phenol polyoxyethylene ether, Tween-80, fatty alcohol polyoxyethylene ether or a variety of.
8. a kind of cast paint based on graphene technology as described in claim 1, it is characterised in that: the nano metal-
Graphene composite material the preparation method is as follows:
(1) take 1~2 part of metal powder, 4~8 parts of grapheme material be placed in planetary ball mill, with 100~400r/min turn
Speed takes out simultaneously vacuum sealing after dry grinding 2~4 hours;
(2) powder mixed in the step (1) is placed in the plasma discharging equipment of starvation and is sintered 3~4 hours,
Sintering temperature is 600 DEG C, and heating rate is 80~100 DEG C/min, keeps the temperature 5~10 minutes;
(3) it takes out sintered sample in the step (2) to be placed in planetary ball mill, with the revolving speed ball of 300~500r/min
Mill 15~20 minutes, obtains the nano metal-graphene composite material.
9. a kind of cast paint based on graphene technology as claimed in claim 8, it is characterised in that: the metal powder is
One of Nanometer Copper powder, Nanoscale Iron powder, nano aluminum powder, Nano-Zinc powder, the metal powder average particle size are 400
~500nm.
10. a kind of cast paint based on graphene technology as claimed in claim 8, it is characterised in that: the graphene material
The lamellar spacing of material is no more than 10nm, piece diameter size and is not less than 500W/ (mK) not less than 5 μm, thermal coefficient.
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CN110586852A (en) * | 2019-09-24 | 2019-12-20 | 安徽信息工程学院 | Water-based environment-friendly coating for brass casting lost foam and preparation method thereof |
CN110625067A (en) * | 2019-11-08 | 2019-12-31 | 含山县能华铸造有限公司 | Preparation method of high-temperature-resistant anti-bonding investment casting shell |
CN110961578A (en) * | 2019-12-25 | 2020-04-07 | 无锡阿尔法精密机械制造有限公司 | Wax mould sand shell forming process |
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CN114407247A (en) * | 2021-12-15 | 2022-04-29 | 河南省秀源液压科技有限公司 | Release agent capable of solving problem of deep-fried dough cake inside rubber pipe product and spraying equipment |
CN114733997A (en) * | 2022-06-13 | 2022-07-12 | 中国航发北京航空材料研究院 | Coating for precision sand mold casting core and preparation method thereof |
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CN110576146A (en) * | 2019-09-17 | 2019-12-17 | 含山县荣盛机械铸造有限公司 | preparation method of coating for sand core for improving casting quality |
CN110576146B (en) * | 2019-09-17 | 2020-10-23 | 含山县荣盛机械铸造有限公司 | Preparation method of coating for sand core for improving casting quality |
CN110586852A (en) * | 2019-09-24 | 2019-12-20 | 安徽信息工程学院 | Water-based environment-friendly coating for brass casting lost foam and preparation method thereof |
CN110625067A (en) * | 2019-11-08 | 2019-12-31 | 含山县能华铸造有限公司 | Preparation method of high-temperature-resistant anti-bonding investment casting shell |
CN110961578A (en) * | 2019-12-25 | 2020-04-07 | 无锡阿尔法精密机械制造有限公司 | Wax mould sand shell forming process |
CN111151587A (en) * | 2020-03-10 | 2020-05-15 | 广东禾木科技有限公司 | Wire drawing die and manufacturing method and application thereof |
CN114407247A (en) * | 2021-12-15 | 2022-04-29 | 河南省秀源液压科技有限公司 | Release agent capable of solving problem of deep-fried dough cake inside rubber pipe product and spraying equipment |
CN114733997A (en) * | 2022-06-13 | 2022-07-12 | 中国航发北京航空材料研究院 | Coating for precision sand mold casting core and preparation method thereof |
CN114733997B (en) * | 2022-06-13 | 2022-08-30 | 中国航发北京航空材料研究院 | Coating for precision sand mold casting core and preparation method thereof |
CN115433500A (en) * | 2022-08-24 | 2022-12-06 | 广东弘方涂料有限公司 | Epoxy anticorrosive primer and preparation method and application thereof |
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