CN108947394A - A kind of self-leveling fluorosilicate anti-fouling material and preparation method thereof - Google Patents
A kind of self-leveling fluorosilicate anti-fouling material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
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Abstract
The present invention relates to building material technical fields, and in particular to a kind of self-leveling fluorosilicate anti-fouling material and preparation method thereof.The self-leveling fluorosilicate material includes the raw material of following parts by weight, 80-120 parts of portland cement, 40-65 parts of flyash, 10-30 parts of quartz sand, 5-20 parts of nano silica, 3-15 parts of calcirm-fluoride, 4-12 parts of modified graphene oxide, 3-10 parts of graphene fiber, 1-6 parts of silicon fluoride, 1-3 parts of diatomite, 0.5-3 parts of silane coupling agent composition, 0.1-2.5 parts of ethene-vinyl acetate latex powder, 0.1-0.6 parts of water-reducing agent, 0.06-0.25 parts of defoaming agent；The preparation method of the Self-leveling anti-fouling material includes modified graphene oxide preparation, pre-dispersed, total mix.The present invention improves corrosion-resistant, antifouling anti-pollution characteristic on the basis of guaranteeing the good mobility of self-leveling material, adhesive force, wearability.
Description
Technical field
The present invention relates to building material technical fields, and in particular to a kind of self-leveling fluorosilicate anti-fouling material and its preparation side
Method.
Background technique
Self-leveling material is one kind using inorganic or organic gelling class material as matrix, by the various modified additives of addition,
Additive and the New Building Materials for being used for ground self-leveling, are broadly divided into organic Self-leveling and inorganic Self-leveling two major classes.Have
Machine Self-leveling using epoxy resin plus functional aid as representative, inorganic Self-leveling according to base-material difference, be divided into cement base and
Two class of gypsum base.
Cement-based self-leveling material is that the base-material using cement as cementitious material adds usually using portland cement as matrix
Entering anti-crack fiber, metal oxide or natural mineral fiber is reinforcement, then the composite material being combined with filler, auxiliary agent.
Cement-based self-leveling material has construction is simple, good fluidity, compression strength height, wear resistance good and the strong spy of ground cohesive force
Point is widely used in flooring construction material.The intensity, weatherability, mechanical property of self-leveling material, antistatic in the prior art
Property is very excellent, still, long-term chemical environmental corrosion or a large amount of dust there are in the environment of, it is corrosion-resistant, antifouling resistance to
Dirty performance is still to be improved and studies.
The patent of application number 200710022525.5 discloses a kind of high-intensitive, wear-resisting, high fluidity, high adhesion force, resistance to
Impact, the excellent flow by gravity evened material of fluorin silicon for guarding against electrostatic of electric conductivity, comprising quartz sand, aluminate cement, redispersable latex powder,
Fluoride, nano silica, conductive carbon fibre can be used in electronics, chemical industry, space industry, be had wide range of applications.This hair
Bright people can accumulate a large amount of spots the study found that when it is applied to acid-base environment, oiliness environment, and adhesive force, wearability are deteriorated.
The patent of publication No. CN106587871A discloses a kind of gravity flowing levelling mortar floor material for floor heating facility, leads to
It crosses gypsum to combine with cement for major gelled material, a variety of fillers, auxiliary agent is added, have good heat insulating, shrinkage low
The characteristics of, it is not easy dusting, cracking.The present inventor is the study found that the self-leveling material complicated component, and repeatability is poor, to change
The patience for learning burn into spot is poor.
It is poor in view of corrosion resistance, the antifouling resistance to soiling of existing cement-based self-leveling material, it needs to further increase, this
Invention cooperates filler, modified graphene oxide, functional aid using portland cement as base-material, and modified to graphene oxide
Auxiliary agent and dosage carried out a large amount of screening and trial, the self-leveling material being prepared overcomes traditional cement base fluorine silicon
The defect that self-leveling material is corrosion-resistant, antifouling anti-pollution characteristic is poor, and remain good mobility, adhesive force, wearability.
Summary of the invention
In view of this, the present invention provides a kind of self-leveling fluorosilicate anti-fouling material and preparation method thereof, it is with portland cement
Base-material, cooperation filler, auxiliary agent and modification graphene oxide be used as additive, the good mobility of guarantee self-leveling material,
On the basis of adhesive force, wearability, corrosion-resistant, antifouling anti-pollution characteristic is improved.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
One of the objects of the present invention is to provide a kind of self-leveling fluorosilicate anti-fouling material, the raw material including following parts by weight,
80-120 parts of portland cement, 40-65 parts of flyash, 10-30 parts of quartz sand, 5-20 parts of nano silica, calcirm-fluoride 3-15
Part, 4-12 parts of modified graphene oxide, 3-10 parts of graphene fiber, 1-6 parts of silicon fluoride, 1-3 parts of diatomite, silane coupling agent group
Close object 0.5-3 parts, 0.1-2.5 parts of ethene-vinyl acetate latex powder, 0.1-0.6 parts of water-reducing agent, 0.06-0.25 parts of defoaming agent；
The modified graphene oxide is prepared by the raw material of following parts by weight: 20-40 parts of graphene oxide, acetic acid
15-30 parts, 10-22 parts of molybdenum disulfide, 1-5 parts of dibutyitin maleate, 0.2-1.4 parts of barium stearate, deionized water 80-160
Part, 120-140 parts of ethyl alcohol；
The silane coupling agent composition is by methyl tributanoximo silane and vinyl tributyl ketoximyl silane according to matter
Amount is uniformly mixed than 8:2 and forms.
The present inventor chooses portland cement as cement class base-material, flyash, quartz sand, nano silica, diatom
Soil is used as light filler, can not only closely mix with portland cement, can also improve corrosion-resistant, the heat-resisting quantity of cement
The adhesive strength of energy, cementitious material；Calcirm-fluoride can promote the shading of portland cement, increase and the liquid phase after water mixed construction
Viscosity；Graphene fiber has extremely excellent tensile strength, elongation at break, electric conductivity, can guarantee Self-leveling material
The mechanical property and electric conductivity of material；Modified graphene oxide has good corrosion resistance, resistance to soiling, lubricity, with cement phase
Rong Hou significantly improves corrosion resistance, the antifouling resistance to soiling of self-leveling material.
In the research of modified graphene oxide, the present inventor is selected under the mild acid conditions of acetic acid, cooperates nontoxic high temperature
Stabilizer dibutyitin maleate, lubricant stearic acid barium introduce inorganic material molybdenum disulfide and are modified to graphene oxide.
Graphene oxide is product of the powdered graphite after chemical oxidation and removing, is single atomic layer, can be at any time in lateral ruler
Some tens of pm is expanded on very little.Therefore, the typical size of construct trans general chemistry and material science, in water has
Superior dispersibility, still, related experiment the results show that graphene oxide be of virtually it is amphipathic, from graphene platelet side
Hydrophilic to hydrophobic property distribution is presented to center for edge.Therefore, graphene oxide can as interfacial agent is generally there are interface,
And reduce the energy between interface.Molybdenum disulfide is not bonded as important solid lubricant, good dispersion, is acted on very thin
Surface of graphene oxide is modified, and inventor surprisingly has found, modified graphene oxide adhesion strength, wearability, corrosion resistance
Greatly improve, dust, salt fog adverse circumstances under it is still highly stable.
Preferably, include following parts by weight raw material, 100 parts of portland cement, 55 parts of flyash, 22 parts of quartz sand,
16 parts of nano silica, 7 parts of calcirm-fluoride, 9 parts of modified graphene oxide, 8 parts of graphene fiber, 3 parts of silicon fluoride, diatomite 1
Part, 2 parts of silane coupling agent composition, 2 parts of ethene-vinyl acetate latex powder, 0.3 part of water-reducing agent, 0.15 part of defoaming agent；
The modified graphene oxide is prepared by the raw material of following parts by weight: 32 parts of graphene oxide, 24 parts of acetic acid,
15 parts of molybdenum disulfide, 3 parts of dibutyitin maleate, 0.6 part of barium stearate, 135 parts of deionized water, 130 parts of ethyl alcohol.
Preferably, the dioxide-containing silica of the quartz sand is greater than 92%, apparent density 2.6-2.8kg/m3, accumulation
Density is 1.6-2.0kg/m3, robustness index is greater than 98%.
Preferably, the silicon fluoride is selected from three ethoxy of perfluoro capryl sulphonyl aminopropyl triethoxysilane or perfluoro decyl
Base silane.
Perfluoro capryl sulphonyl aminopropyl triethoxysilane and perfluoro decyl triethoxysilane be anti-fouling agent it is main at
Point, there is good anti-pollution, be added in portland cement as additive, resistant is antifouling, can also improve Self-leveling
The auto purification of material, wear intensity.
Preferably, the water-reducing agent is selected from polycarboxylic acid series high efficiency water reducing agent, it is aqueous that the defoaming agent is selected from DOW CORNING-DC
Defoaming agent or BYK-028 aqueous defoamer.
It is a further object of the present invention to provide the preparation methods of above-mentioned self-leveling fluorosilicate anti-fouling material, comprising the following steps:
(1) prepared by modified graphene oxide: adding graphene oxide into deionized water, ultrasonic vibration 20min, second is added
Acid, molybdenum disulfide stir evenly, clear water washing, filtering；Dibutyitin maleate, stearic acid is added after 45 DEG C dry in filter cake
Barium mixing, adds ethyl alcohol, and 78 DEG C of return stirring 3h are concentrated under reduced pressure, obtain modified graphene oxide after drying；
(2) pre-dispersed: by portland cement, flyash, quartz sand, nano silica, calcirm-fluoride, diatomite, ethylene-
Vinyl acetate emulsion powder is successively put into dispersion machine, is uniformly mixing to obtain pre-dispersed material；
(3) total mix: pre-dispersed material is put into blender, and modified graphene oxide, silicon fluoride, silane coupling agent group is added
Object is closed, is warming up to 40-50 DEG C, after stirring 20-40min, graphene fiber, water-reducing agent, defoaming agent is added, closes heating, stirring
It is uniform to system, obtain the self-leveling fluorosilicate anti-fouling material.
Physico-chemical property and design feature of the present inventor according to each raw material of the self-leveling fluorosilicate material, preparation method conjunction
Graphene oxide, is modified under acidic environment using molybdenum disulfide by reason first, enhances surface rub resistance power and adherency
Power adds heat stabilizer, lubricant, is adhered under the conditions of alcohol reflux；It is again that portland cement and filler, latex powder is pre-
Dispersion, guarantees that the filling of portland cement is uniform, then carry out total mix and obtain the Self-leveling anti-fouling material, and method is simple, without severe
Quarter condition.
Preferably, the step (1) is concentrated under reduced pressure as 40-50 DEG C of rotary evaporation to surface dripless.
Preferably, step (1) drying condition is the dry 1-2h of 50-80 DEG C of sterile drying box.
Preferably, step (2) dispersing speed is 80-120r/min, mixing time 40-60min.
The present invention has the advantage that
1, self-leveling fluorosilicate anti-fouling material of the invention, using portland cement as base-material, cooperation flyash, is received quartz sand
Rice silica, a variety of light fillers of diatomite and auxiliary agent and the graphene oxide of modification, silicon fluoride anti-fouling agent are as addition
Agent, preparation method is simple, on the basis of guaranteeing the good mobility of self-leveling material, adhesive force, wearability, improves corrosion resistant
Erosion, antifouling anti-pollution characteristic.
2, under the mild acid conditions of acetic acid, cooperation high-temperature stabilizer dibutyitin maleate, lubricant are hard for present invention selection
Resin acid barium introduces molybdenum disulfide and is modified to graphene oxide, modified graphene oxide adhesion strength, wearability, anti-corruption
Corrosion greatly improves.
Specific embodiment
The following examples will make the present invention more specifically to explain, but the present invention is not limited only to these implementations
Example, these same embodiments are not also limit the invention in any way.
The parts by weight of each raw material of the self-leveling fluorosilicate anti-fouling material of embodiment 1-6 are shown in Table 1:
1. embodiment self-leveling fluorosilicate anti-fouling material amounts of components of table
Wherein, silane coupling agent composition is by methyl tributanoximo silane and vinyl tributyl ketoximyl silane according to matter
Amount is uniformly mixed than 8:2 and forms；The dioxide-containing silica of quartz sand is greater than 92%, apparent density 2.6-2.8kg/m3, accumulation
Density is 1.6-2.0kg/m3, and robustness index is greater than 98%.
The parts by weight of each raw material of modified graphene oxide are prepared in the self-leveling fluorosilicate anti-fouling material of above-described embodiment 1-6
It is as shown in table 2:
2. embodiment modified graphene oxide amounts of components of table
The preparation method of the self-leveling fluorosilicate anti-fouling material of above-described embodiment, comprising the following steps:
(1) prepared by modified graphene oxide: adding graphene oxide into deionized water, ultrasonic vibration 20min, second is added
Acid, molybdenum disulfide stir evenly, clear water washing, filtering；Dibutyitin maleate, stearic acid is added after 45 DEG C dry in filter cake
Barium mixing, adds ethyl alcohol, and 78 DEG C of return stirring 3h are concentrated under reduced pressure (40-50 DEG C of rotary evaporation to surface dripless), 50-80
Modified graphene oxide is obtained after the dry 1-2h of DEG C sterile drying box.
(2) pre-dispersed: by portland cement, flyash, quartz sand, nano silica, calcirm-fluoride, diatomite, ethylene-
Vinyl acetate emulsion powder is successively put into dispersion machine, and 80-120r/min stirring 40-60min obtains pre-dispersed material.
(3) total mix: pre-dispersed material is put into blender, and modified graphene oxide, silicon fluoride, silane coupling agent group is added
Object is closed, is warming up to 40-50 DEG C, after stirring 20-40min, graphene fiber, water-reducing agent, defoaming agent is added, closes heating, stirring
It is uniform to system, obtain the self-leveling fluorosilicate anti-fouling material.
Comparative example 1
The difference from embodiment 1 is that not adding modified graphene oxide, preparation method cancels modified graphene oxide
Preparation.
Comparative example 2
The difference from embodiment 1 is that not adding graphene fiber, preparation method is identical.
Comparative example 3
The difference from embodiment 1 is that not adding perfluoro capryl sulphonyl aminopropyl triethoxysilane, preparation method phase
Together.
Comparative example 4
The difference from embodiment 1 is that not adding silane coupling agent composition, preparation method is identical.
Comparative example 5
The self-leveling material that in the patent of reference application number 200710022525.5 prepared by embodiment 1.
Comparative example 6
The self-leveling material that in the patent of reference publication No. CN106587871A prepared by embodiment 1.
The test of self-leveling material traditional performance
Measure embodiment, the fluidity of the self-leveling material of comparative example, adhesive force, wear resistance.Wherein, fluidity, wear-resisting
The examination criteria of degree is JC/T985-2005, and the examination criteria of adhesive force is GB/T9286-1998, and testing result is shown in Table 3:
The test of 3. self-leveling material traditional performance of table
| Group | Fluidity (mm) | Adhesive force | Wear resistance (b/g) |
| Embodiment 1 | 148 | 1 grade | 1.25 |
| Embodiment 2 | 145 | 1 grade | 1.22 |
| Embodiment 3 | 143 | 1 grade | 1.21 |
| Embodiment 4 | 146 | 1 grade | 1.23 |
| Embodiment 5 | 144 | 1 grade | 1.24 |
| Embodiment 6 | 142 | 1 grade | 1.20 |
| Comparative example 1 | 134 | 2 grades | 0.74 |
| Comparative example 2 | 135 | 2 grades | 0.83 |
| Comparative example 3 | 134 | 2 grades | 0.68 |
| Comparative example 4 | 131 | 2 grades | 0.72 |
| Comparative example 5 | 133 | 2 grades | 0.46 |
| Comparative example 6 | 135 | 2 grades | 0.53 |
As can be seen from Table 3, the fluidity of the self-leveling fluorosilicate material of the embodiment of the present invention, adhesive force, wear resistance are excellent,
Reach the standard of self-leveling material.Comparative example 1 is due to lacking modified graphene oxide, so that the fluidity of self-leveling material, resistance to
Mill property, adhesion property decline；Comparative example 2-4 due to lacking silicon fluoride, graphene fiber, silane coupling agent respectively, so that silicic acid
The compatibility poor of salt cement and filler, auxiliary agent, anti-crack ability decline, fluidity after construction, adhesive force, wear resistance aspect
There is certain decline.
Self-leveling material is corrosion-resistant, the test of antifouling anti-pollution characteristic
Measure embodiment, the corrosion resistance of comparative example self-leveling material and the performance of antifouling resistant.Wherein, corrosion resistance
Use salt spray test, examination criteria GB/T1771-1991；Antifouling anti-pollution characteristic passes through resistance to tincture of iodine wiping experiment and oil resistivity pen
Wiping experiment embodies, and resistance to tincture of iodine wiping experiment is the self-leveling material surface being coated on the tincture of iodine after construction levelling, to thoroughly do
It is wiped after dry with paper handkerchief, repeats to be coated with, record the number of resistance to wiping；Oil resistant pen wiping experiment is by oil pen in construction levelling
Self-leveling material surface markers afterwards, non-woven fabrics wipes after drying 5min, and repeating label records the number of resistance to wiping.Specific knot
Fruit is shown in Table 4:
4. self-leveling material of table is corrosion-resistant, the test of antifouling anti-pollution characteristic
| Group | Corrosion resistance (h) | The resistance to tincture of iodine wipes (number) | Oil resistivity pen wipes (number) |
| Embodiment 1 | 285 | 15 | 112 |
| Embodiment 2 | 279 | 13 | 109 |
| Embodiment 3 | 283 | 12 | 105 |
| Embodiment 4 | 276 | 12 | 103 |
| Embodiment 5 | 280 | 13 | 107 |
| Embodiment 6 | 273 | 12 | 100 |
| Comparative example 1 | 206 | 8 | 89 |
| Comparative example 2 | 216 | 9 | 92 |
| Comparative example 3 | 223 | 9 | 93 |
| Comparative example 4 | 242 | 8 | 96 |
| Comparative example 5 | 183 | 6 | 75 |
| Comparative example 6 | 192 | 7 | 87 |
As can be seen from Table 4, the corrosion resistance of the self-leveling fluorosilicate material of the embodiment of the present invention, the wiping properties of resistance to the tincture of iodine,
Oil resistivity wiping properties are excellent, illustrate the absorption to the burn into reproducibility compound, oily matter of chemical environment, purification energy
Power is preferable, compared with prior art, has good corrosion-resistant, antifouling anti-pollution characteristic.Comparative example 1 is due to lacking modified oxidized stone
Black alkene, so that the fluidity of self-leveling material, lubricity, adhesion property decline, corrosion-resistant, anti-pollution characteristic decline；Comparative example 2-4
Due to lacking silicon fluoride, graphene fiber, silane coupling agent respectively, so that the compatibility of portland cement and filler, auxiliary agent becomes
Difference, anti-crack ability decline, corrosion-resistant, the antifouling anti-pollution characteristic decline after construction are significant.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of self-leveling fluorosilicate anti-fouling material, which is characterized in that the raw material including following parts by weight, portland cement 80-120
Part, 40-65 parts of flyash, 10-30 parts of quartz sand, 5-20 parts of nano silica, 3-15 parts of calcirm-fluoride, modified graphene oxide
4-12 parts, 3-10 parts of graphene fiber, 1-6 parts of silicon fluoride, 1-3 parts of diatomite, 0.5-3 parts of silane coupling agent composition, ethylene-
0.1-2.5 parts of vinyl acetate emulsion powder, 0.1-0.6 parts of water-reducing agent, 0.06-0.25 parts of defoaming agent；
The modified graphene oxide is prepared by the raw material of following parts by weight: 20-40 parts of graphene oxide, acetic acid 15-30
Part, 10-22 parts of molybdenum disulfide, 1-5 parts of dibutyitin maleate, 0.2-1.4 parts of barium stearate, 80-160 parts of deionized water, second
120-140 parts of alcohol；
The silane coupling agent composition is by methyl tributanoximo silane and vinyl tributyl ketoximyl silane according to mass ratio
8:2 is uniformly mixed and forms.
2. self-leveling fluorosilicate anti-fouling material according to claim 1, which is characterized in that the raw material including following parts by weight,
100 parts of portland cement, 55 parts of flyash, 22 parts of quartz sand, 16 parts of nano silica, 7 parts of calcirm-fluoride, modified graphite oxide
9 parts of alkene, 8 parts of graphene fiber, 3 parts of silicon fluoride, 1 part of diatomite, 2 parts of silane coupling agent composition, ethene-vinyl acetate latex
2 parts of powder, 0.3 part of water-reducing agent, 0.15 part of defoaming agent；
The modified graphene oxide is prepared by the raw material of following parts by weight: 32 parts of graphene oxide, 24 parts of acetic acid, two sulphur
Change 15 parts of molybdenum, 3 parts of dibutyitin maleate, 0.6 part of barium stearate, 135 parts of deionized water, 130 parts of ethyl alcohol.
3. self-leveling fluorosilicate anti-fouling material according to claim 1, which is characterized in that the silica of the quartz sand contains
Amount is greater than 92%, apparent density 2.6-2.8kg/m3, bulk density 1.6-2.0kg/m3, robustness index is greater than 98%.
4. self-leveling fluorosilicate anti-fouling material according to claim 1, which is characterized in that the silicon fluoride is selected from perfluoro capryl
Sulphonyl aminopropyl triethoxysilane or perfluoro decyl triethoxysilane.
5. self-leveling fluorosilicate anti-fouling material according to claim 1, which is characterized in that the water-reducing agent is selected from polycarboxylic-acid
High efficiency water reducing agent, the defoaming agent are selected from DOW CORNING-DC aqueous defoamer or BYK-028 aqueous defoamer.
6. a kind of preparation method of self-leveling fluorosilicate anti-fouling material according to claim 1-5, which is characterized in that
The following steps are included:
(1) prepared by modified graphene oxide: it adds graphene oxide into deionized water, ultrasonic vibration 20min, addition acetic acid,
Molybdenum disulfide stirs evenly, clear water washing, filtering；It is mixed that dibutyitin maleate, barium stearate is added after 45 DEG C dry in filter cake
It closes, adds ethyl alcohol, 78 DEG C of return stirring 3h are concentrated under reduced pressure, obtain modified graphene oxide after drying；
(2) pre-dispersed: by portland cement, flyash, quartz sand, nano silica, calcirm-fluoride, diatomite, ethyl vinyl acetate
Ethylene latex powder is successively put into dispersion machine, is uniformly mixing to obtain pre-dispersed material；
(3) total mix: pre-dispersed material is put into blender, and modified graphene oxide, silicon fluoride, silane coupling agent combination is added
Object is warming up to 40-50 DEG C, and after stirring 20-40min, graphene fiber, water-reducing agent, defoaming agent is added, and closes heating, stirring is extremely
System is uniform, obtains the self-leveling fluorosilicate anti-fouling material.
7. the preparation method of self-leveling fluorosilicate anti-fouling material according to claim 6, which is characterized in that the step (1)
It is concentrated under reduced pressure as 40-50 DEG C of rotary evaporation to surface dripless.
8. the preparation method of self-leveling fluorosilicate anti-fouling material according to claim 6, which is characterized in that the step (1)
Drying condition is the dry 1-2h of 50-80 DEG C of sterile drying box.
9. the preparation method of self-leveling fluorosilicate anti-fouling material according to claim 6, which is characterized in that the step (2)
Dispersing speed is 80-120r/min, mixing time 40-60min.
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| CN112063298A (en) * | 2020-09-18 | 2020-12-11 | 上海承一化学科技有限公司 | Multifunctional antifouling agent and preparation method thereof |
| EP3932862A1 (en) | 2020-07-01 | 2022-01-05 | Evonik Operations GmbH | Functionalised graphene, method for preparing functionalised graphene and use thereof |
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| EP3932862A1 (en) | 2020-07-01 | 2022-01-05 | Evonik Operations GmbH | Functionalised graphene, method for preparing functionalised graphene and use thereof |
| WO2022002574A2 (en) | 2020-07-01 | 2022-01-06 | Evonik Operations Gmbh | Functionalized graphene, method for producing a functionalized graphene, and its use |
| CN112063298A (en) * | 2020-09-18 | 2020-12-11 | 上海承一化学科技有限公司 | Multifunctional antifouling agent and preparation method thereof |
| EP4026800A1 (en) | 2021-01-08 | 2022-07-13 | Evonik Operations GmbH | Highly filled trans-polyoctenamer graphite composite material, method for its preparation and its use |
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