CN108441078A - A kind of anti-static and anti-corrosive paint and preparation method thereof - Google Patents
A kind of anti-static and anti-corrosive paint and preparation method thereof Download PDFInfo
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- CN108441078A CN108441078A CN201810353873.9A CN201810353873A CN108441078A CN 108441078 A CN108441078 A CN 108441078A CN 201810353873 A CN201810353873 A CN 201810353873A CN 108441078 A CN108441078 A CN 108441078A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of anti-static and anti-corrosive paints and preparation method thereof, belong to technical field of coatings.The present invention is by preparing lamellar structure, and specific surface area, lamella exchange density and chemically inert hydrotalcite, monoalky lether phosphoric acid ester sodium is adsorbed to interlayer, gelatin and chitosan crosslinked closing are used again, achieve the purpose that sustained release, monoalky lether phosphoric acid ester sodium is used in combination with inorganic filler, so that antistatic property is combined with antisepsis, effectively improves the function of coating；When the present invention is contacted with each other using phosphoric acid ester molecule and material surface, hydrophobic chain in molecule is adsorbed on the surface of material, forms continuous adsorption layer, and hydrophilic group is towards air, because containing-OH in its molecule, hydrogen bond can be formed with hydrone, the water layer adsorbed can form conductive film, enhance the electric conductivity of material surface, to reduce the static charge buildup of material surface, and the permeation pathway that oxygen molecule reaches matrix surface is extended, there are excellent barrier properties, improve antiseptic property.
Description
Technical field
The present invention relates to a kind of anti-static and anti-corrosive paints and preparation method thereof, belong to technical field of coatings.
Background technology
With the development of modern industry and people's requirement that electric property is continuously improved, especially in inner wall of oil tank, electricity
The fields such as sub- industry, aerospace, electrostatic and corrosion have brought tremendous economic losses and threaten the life of people to country
Property safety, which results in the great attentions of people, and develop and be with antistatic and antiseptic property Multifunctional composite coating
It solves problem above and provides new approach, anti-static and anti-corrosive paint is coated in material surface, can effectively eliminate electrostatic,
Electromagnetic interference is resisted, protection materials are not corroded, but since China starts late in paint field, that applies on the market is anti-quiet
The antiseptic property of electrocoating paint is general, and the antistatic property of anticorrosive paint cannot meet, therefore, research and development have concurrently it is antistatic, prevent
The multifunctional coating of rotten performance will have wide market application prospect.
Before corrosion-inhibiting coating application can be pushed into thousands of years, paint is made using materials such as natural resins in ancients, is coated to daily
Decoration protection is played the role of on articles for use surface.As world industry develops, the application of steel, people have deepened to corrosion-inhibiting coating
Understanding and research especially anti-corrosion is applied while to the study and understanding of the surface chemistry of base material and coating etc. knowledge
The heightened awareness of the inefficacy mechanism of layer, plays a crucial role the research and development of high-performance corrosion-inhibiting coating.For gold
For category, the main form of corrosion is electrochemical corrosion, in conjunction with the correlation theory of electrochemical corrosion, the anti-corrosion machine of anticorrosive paint
Reason mainly has the following aspects：To the shielding buffer action of corrosive medium, it is passivated corrosion inhibition, electrochemical protection effect.
Currently, China Petroleum is quickly grown, and storage tank that oil and petroleum chemicals use, oil-gas pipeline are increasing,
The thing followed be how safety, chronically use etc. problems.The metallic material corrosions such as oil storage tank, pipeline are prevented, it is economical
Practical method is exactly coating protection again.Therefore it researches and develops with excellent antistatic property, adhesive force is good, impact resistance is strong, flexibility
The physical properties such as good, especially will also have the coating of good antiseptic property to be particularly important.
Invention content
The technical problems to be solved by the invention：It is general for the antiseptic property for the antistatic coating applied on the market, and
The antistatic property of anticorrosive paint unappeasable problem again provides a kind of anti-static and anti-corrosive paint and preparation method thereof.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of anti-static and anti-corrosive paint, the coating include following weight parts raw material：4~8 parts of butyl glycol ethers, 20~25 parts of water
Property epoxy resin, 0.5~0.8 part of polysiloxanes, 0.5~0.8 part of levelling agent, 0.05~0.10 part of isooctanol, 50~55 parts are gone
Ionized water, 5~8 parts of modified fillers, 0.1~0.2 part of emulsifier.
The modified filler is magnesium nitrate, aluminum nitrate dissolves in deionized water, adds sodium carbonate, hydroxylmethyl cellulose
Element, monoalky lether phosphoric acid ester sodium, mass fraction are 2% poly-vinyl alcohol solution, mass fraction is 10% sodium hydroxide solution, heating
Gelatin, silane coupling agent, mass fraction are added after reaction to be uniformly mixed for 1% chitosan solution, centrifuges and alcohol washes xeraphium
It is broken to be made.
The modified filler is made of following weight parts raw material：3~6 parts of magnesium nitrates, 2.4~4.8 parts of aluminum nitrates, 80~
100 parts of deionized waters, 1.2~2.4 parts of sodium carbonate, 0.01~0.02 part of hydroxymethyl cellulose, 0.4~0.6 part of monoalky lether phosphorus
Sodium salt, 12~24 parts of poly-vinyl alcohol solutions, 12~24 parts of sodium hydroxide solutions, 3~5 parts of gelatin, 1~2 part silane coupled
Agent, 300~500 parts of chitosan solutions.
The silane coupling agent is any one in KH-540, KH-550, KH-570.
The heating reaction process is to continue 15~20min of stirring at 40~50 DEG C, and it is quiet to be heated to 80~90 DEG C of heat preservations
Set 8~10h.
The levelling agent is in levelling agent SY-5233, levelling agent HK-28, levelling agent KY-333, levelling agent KY-4330
It is one or more.
The emulsifier is any one in emulsifier op-10, emulsifier NP-4.
A kind of preparation method of the anti-static and anti-corrosive paint, the specific steps are：
（1）In deionized water by magnesium nitrate, aluminum nitrate dissolving, sodium carbonate, hydroxymethyl cellulose, monoalky lether phosphoric acid are added
Ester sodium salt, mass fraction are 2% poly-vinyl alcohol solution, mass fraction is 10% sodium hydroxide solution, heating reaction after be added gelatin,
Silane coupling agent, mass fraction are uniformly mixed for 1% chitosan solution, obtain mixed liquor；
（2）Mixed liquor is centrifuged into obtain precipitation, precipitation is washed 2~3 times with absolute ethyl alcohol, then will be after the precipitation drying after washing
It crushes, crosses 320 mesh sieve, obtain modified filler；
（3）Take butyl glycol ether, aqueous epoxy resins, polysiloxanes, levelling agent, isooctanol, deionized water, modified filler, breast
Agent is fitted into high speed dispersor, is discharged after stirring 1~2h with 800~1200r/min, is obtained anti-static and anti-corrosive paint.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention is by preparing lamellar structure, and specific surface area, lamella exchange density and chemically inert hydrotalcite, absorption
Monoalky lether phosphoric acid ester sodium achievees the purpose that sustained release, by monoalky lether phosphorus to interlayer, then with gelatin and chitosan crosslinked closing
Sodium salt is used in combination with inorganic filler, and antistatic property is made to be combined with antisepsis, effectively improves the function of coating；
（2）When the present invention is contacted with each other using phosphoric acid ester molecule and material surface, the hydrophobic chain in molecule is adsorbed on the table of material
Face forms continuous adsorption layer, and hydrophilic group is towards air, because containing-OH in its molecule, can form hydrogen bond with hydrone,
The water layer adsorbed can form conductive film, enhance the electric conductivity of material surface, to reduce the electrostatic charge collection of material surface
It is poly-, and the permeation pathway that oxygen molecule reaches matrix surface is extended, there are excellent barrier properties, improve antiseptic property.
Specific implementation mode
3~6g magnesium nitrates, 2.4~4.8g aluminum nitrates is taken to be added in 80~100mL deionized waters, with 300~400r/min
20~30min is stirred, 1.2~2.4g sodium carbonate, 0.01~0.02g hydroxymethyl celluloses, 0.4~0.6g monoalky lethers are added
Phosphoric acid ester sodium, 12~24g mass fractions are 2% poly-vinyl alcohol solution, and 12~24g mass fractions are 10% sodium hydroxide solution,
Continue 15~20min of stirring at 40~50 DEG C, is heated to 80~90 DEG C of heat preservations and stands 8~10h, add 3~5g gelatin, 1
~2g silane coupling agents, 300~500g mass fractions are 1% chitosan solution, stir 3~5h with 300~400r/min, obtain mixed
Liquid is closed, mixed liquor is fitted into centrifuge and centrifuges to obtain precipitation, washs precipitation 2~3 times with absolute ethyl alcohol, then will be after washing
Precipitation is placed in drying box, is transferred in pulverizer and is crushed after dry 3~4h at 105~110 DEG C, crosses 320 mesh sieve, must be modified and fill out
Material, takes 4~8g butyl glycol ethers, 20~25g aqueous epoxy resins, 0.5~0.8g polysiloxanes, 0.5~0.8g levelling agents,
0.05~0.10g isooctanol, 50~55g deionized waters, 5~8g modified fillers, 0.1~0.2g emulsifiers are packed into high speed dispersion
In machine, discharges after stirring 1~2h with 800~1200r/min, obtain anti-static and anti-corrosive paint.
Example 1
It takes 3g magnesium nitrates, 2.4g aluminum nitrates to be added in 80mL deionized waters, 20min is stirred with 300r/min, adds 1.2g carbon
Sour sodium, 0.01g hydroxymethyl celluloses, 0.4g monoalky lether phosphoric acid ester sodiums, 12g mass fractions are 2% poly-vinyl alcohol solution, 12g
Mass fraction is 10% sodium hydroxide solution, continues to stir 15min at 40 DEG C, is heated to 80 DEG C of heat preservations and stands 8h, adds 3g
Gelatin, 1g silane coupling agents, 300g mass fractions are 1% chitosan solution, stir 3h with 300r/min, obtain mixed liquor, will mix
Liquid, which is fitted into centrifuge, centrifuges to obtain precipitation, washs precipitation 2 times with absolute ethyl alcohol, then the precipitation after washing is placed in drying box
In, it is transferred in pulverizer and crushes after dry 3h at 105 DEG C, cross 320 mesh sieve, obtain modified filler, take 4g butyl glycol ethers, 20g
Aqueous epoxy resins, 0.5g polysiloxanes, 0.5g levelling agents, 0.05g isooctanol, 50g deionized waters, 5g modified fillers, 0.1g
Emulsifier is fitted into high speed dispersor, is discharged after stirring 1h with 800r/min, is obtained anti-static and anti-corrosive paint.
Example 2
It takes 5g magnesium nitrates, 3.6g aluminum nitrates to be added in 90mL deionized waters, 25min is stirred with 350r/min, adds 1.8g carbon
Sour sodium, 0.01g hydroxymethyl celluloses, 0.5g monoalky lether phosphoric acid ester sodiums, 18g mass fractions are 2% poly-vinyl alcohol solution, 18g
Mass fraction is 10% sodium hydroxide solution, continues to stir 18min at 45 DEG C, is heated to 85 DEG C of heat preservations and stands 9h, adds 4g
Gelatin, 1g silane coupling agents, 400g mass fractions are 1% chitosan solution, stir 4h with 350r/min, obtain mixed liquor, will mix
Liquid, which is fitted into centrifuge, centrifuges to obtain precipitation, washs precipitation 2 times with absolute ethyl alcohol, then the precipitation after washing is placed in drying box
In, it is transferred in pulverizer and crushes after dry 3h at 108 DEG C, cross 320 mesh sieve, obtain modified filler, take 6g butyl glycol ethers, 22g
Aqueous epoxy resins, 0.6g polysiloxanes, 0.6g levelling agents, 0.08g isooctanol, 55g deionized waters, 6g modified fillers, 0.1g
Emulsifier is fitted into high speed dispersor, is discharged after stirring 1h with 1000r/min, is obtained anti-static and anti-corrosive paint.
Example 3
It takes 6g magnesium nitrates, 4.8g aluminum nitrates to be added in 100mL deionized waters, 30min is stirred with 400r/min, adds 2.4g
Sodium carbonate, 0.02g hydroxymethyl celluloses, 0.6g monoalky lether phosphoric acid ester sodiums, 24g mass fractions are 2% poly-vinyl alcohol solution,
24g mass fractions are 10% sodium hydroxide solution, continue to stir 20min at 50 DEG C, are heated to 90 DEG C of heat preservations and stand 10h, then add
Enter 5g gelatin, 2g silane coupling agents, 500g mass fractions are 1% chitosan solution, stir 5h with 400r/min, obtain mixed liquor, will
Mixed liquor, which is fitted into centrifuge, to be centrifuged to obtain precipitation, wash and is precipitated 3 times with absolute ethyl alcohol, then the precipitation after washing is placed in dry
In dry case, it is transferred in pulverizer and crushes after dry 4h at 110 DEG C, cross 320 mesh sieve, obtain modified filler, take 8g butyl glycol ethers,
25g aqueous epoxy resins, 0.8g polysiloxanes, 0.8g levelling agents, 0.10g isooctanol, 55g deionized waters, 8g modified fillers,
0.2g emulsifiers, are fitted into high speed dispersor, discharge after stirring 2h with 1200r/min, obtain anti-static and anti-corrosive paint.
Reference examples：The anti-static and anti-corrosive paint of Henan company production.
The anti-static and anti-corrosive paint of example and reference examples is detected, specific detection is as follows：
The detection of antistatic property：By GB/T1696-1997（Methods of Measuring Electric Resistance of coating Conducting Static Electricity for Oil Tanks）Defined method is surveyed
Resistivity is determined, wherein with copper plate instead of the polyester film in GB/T1696-1997.
Antiseptic property is tested：Salt fog corrosion testing machine is recycled using Q-Fog, salt fog resistance test is carried out to coating, by steel plate
It is put in horizontal table top, marks two two lines for being crossed as 30 ° in coating surface with cutter, steel plate edge is sealed with paraffin rosin
Firmly, it avoids salt fog from corroding since edge, steel plate and plane is put at 15 ° in salt fog cabinet.35 DEG C of salt fog temperature, electrolyte are
5% sodium chloride, pH is between 6.5 and 7.2, atomisation pressure 8psi, every the time check coating surface quilt of 24 hours integral multiples
Cameras record is used in combination in the variation of salt air corrosion, and test is with reference to ASTMB117-2009.
Adhesive force is tested：Steel plate is put on hard, straight object plane, hand-held cutter vertical steel plate surface marks spacing
Six parallel lines of 2mm, long 15cm, then square crossing marks six parallel lines in the same way, and 3M glue is sticked in this region
Band steadily tears off adhesive tape with plane at 60 °, later with the dropping situations of amplification sem observation coating, adhesive force test reference state
Family standard GB/T9286《The cross cut test of paint and varnish paint film》.
Mechanics Performance Testing：Coating mechanical property is tested using universal testing machine, spraying is applied on a glass
Layer is put in ultrasound in ultrasonic device, can remove film from glass plate after five minutes, coating is made dumbbell shaped batten, then
With the ultimate tensile strength of universal testing machine test bars.
Specific testing result such as table 1.
1 performance characterization contrast table of table
As shown in Table 1, the anti-static and anti-corrosive paint that prepared by the present invention has good surface resistivity, good antistatic effect
Fruit, antiseptic property, adhesive force and maximum tensile stress.
Claims (8)
1. a kind of anti-static and anti-corrosive paint, which is characterized in that the coating includes following weight parts raw material：
4~8 parts of butyl glycol ethers, 20~25 parts of aqueous epoxy resins, 0.5~0.8 part of polysiloxanes, 0.5~0.8 part of levelling
Agent, 0.05~0.10 part of isooctanol, 50~55 parts of deionized waters, 5~8 parts of modified fillers, 0.1~0.2 part of emulsifier.
2. a kind of anti-static and anti-corrosive paint as described in claim 1, which is characterized in that the modified filler is magnesium nitrate, nitre
In deionized water, adding sodium carbonate, hydroxymethyl cellulose, monoalky lether phosphoric acid ester sodium, mass fraction is for sour aluminium dissolving
2% poly-vinyl alcohol solution, mass fraction are 10% sodium hydroxide solution, and gelatin, silane coupling agent, quality point is added after heating reaction
Number is that 1% chitosan solution is uniformly mixed, and centrifuges and alcohol is washed drying and crushing and is made.
3. a kind of anti-static and anti-corrosive paint as claimed in claim 1 or 2, which is characterized in that the modified filler is by following heavy
Amount part raw material is made：3~6 parts of magnesium nitrates, 2.4~4.8 parts of aluminum nitrates, 80~100 parts of deionized waters, 1.2~2.4 parts of carbonic acid
Sodium, 0.01~0.02 part of hydroxymethyl cellulose, 0.4~0.6 part of monoalky lether phosphoric acid ester sodium, 12~24 parts of polyvinyl alcohol are molten
Liquid, 12~24 parts of sodium hydroxide solutions, 3~5 parts of gelatin, 1~2 part of silane coupling agent, 300~500 parts of chitosan solutions.
4. a kind of anti-static and anti-corrosive paint as claimed in claim 3, which is characterized in that the silane coupling agent be KH-540,
Any one in KH-550, KH-570.
5. a kind of anti-static and anti-corrosive paint as claimed in claim 2, which is characterized in that the heating reaction process for 40~
Continue 15~20min of stirring at 50 DEG C, is heated to 80~90 DEG C of heat preservations and stands 8~10h.
6. a kind of anti-static and anti-corrosive paint as described in claim 1, which is characterized in that the levelling agent is levelling agent SY-
5233, one or more in levelling agent HK-28, levelling agent KY-333, levelling agent KY-4330.
7. a kind of anti-static and anti-corrosive paint as described in claim 1, which is characterized in that the emulsifier be emulsifier op-10,
Any one in emulsifier NP-4.
8. a kind of preparation method of anti-static and anti-corrosive paint as described in claim 1~7 any one, which is characterized in that tool
Body step is：
（1）In deionized water by magnesium nitrate, aluminum nitrate dissolving, sodium carbonate, hydroxymethyl cellulose, monoalky lether phosphoric acid are added
Ester sodium salt, mass fraction are 2% poly-vinyl alcohol solution, mass fraction is 10% sodium hydroxide solution, heating reaction after be added gelatin,
Silane coupling agent, mass fraction are uniformly mixed for 1% chitosan solution, obtain mixed liquor；
（2）Mixed liquor is centrifuged into obtain precipitation, precipitation is washed 2~3 times with absolute ethyl alcohol, then will be after the precipitation drying after washing
It crushes, crosses 320 mesh sieve, obtain modified filler；
（3）Take butyl glycol ether, aqueous epoxy resins, polysiloxanes, levelling agent, isooctanol, deionized water, modified filler, breast
Agent is fitted into high speed dispersor, is discharged after stirring 1~2h with 800~1200r/min, is obtained anti-static and anti-corrosive paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810353873.9A CN108441078A (en) | 2018-04-19 | 2018-04-19 | A kind of anti-static and anti-corrosive paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810353873.9A CN108441078A (en) | 2018-04-19 | 2018-04-19 | A kind of anti-static and anti-corrosive paint and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111909596A (en) * | 2020-08-18 | 2020-11-10 | 圆创享(苏州)新材料技术有限公司 | Anticorrosive scratch-resistant paint and preparation method thereof |
| CN115011244A (en) * | 2022-06-08 | 2022-09-06 | 长安大学 | Self-oxygen-supply self-cleaning type coating for tail gas degradation and preparation method and application thereof |
| CN115386119A (en) * | 2022-09-20 | 2022-11-25 | 蚌埠市维光塑胶制品有限公司 | Preparation method of biaxially oriented anticorrosive antistatic film |
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| CN105153874A (en) * | 2015-09-09 | 2015-12-16 | 天长市银狐漆业有限公司 | High-adhesion wear-resistant waterborne electrostatic conducted anticorrosive coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909596A (en) * | 2020-08-18 | 2020-11-10 | 圆创享(苏州)新材料技术有限公司 | Anticorrosive scratch-resistant paint and preparation method thereof |
| CN115011244A (en) * | 2022-06-08 | 2022-09-06 | 长安大学 | Self-oxygen-supply self-cleaning type coating for tail gas degradation and preparation method and application thereof |
| CN115011244B (en) * | 2022-06-08 | 2023-07-14 | 长安大学 | Self-oxygen-supply self-cleaning type tail gas degradation road paint and preparation method and application thereof |
| CN115386119A (en) * | 2022-09-20 | 2022-11-25 | 蚌埠市维光塑胶制品有限公司 | Preparation method of biaxially oriented anticorrosive antistatic film |
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Application publication date: 20180824 |