CN106893452A - Nano rare earth modified epoxy anticorrosive paint and preparation method thereof - Google Patents
Nano rare earth modified epoxy anticorrosive paint and preparation method thereof Download PDFInfo
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- CN106893452A CN106893452A CN201710152282.0A CN201710152282A CN106893452A CN 106893452 A CN106893452 A CN 106893452A CN 201710152282 A CN201710152282 A CN 201710152282A CN 106893452 A CN106893452 A CN 106893452A
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
Abstract
The invention discloses a kind of nano rare earth modified epoxy anticorrosive paint, including：Epoxy resin, oxide nano rare earth, silane coupler, auxiliary agent, hundred parts by weight account for the 0.5%~5% of weight epoxy than meter, epoxy resin 100%, oxide nano rare earth；Silane coupler accounts for the 0.01%~0.5% of weight epoxy；Auxiliary agent accounts for the 0.5%~5% of weight epoxy.The invention also discloses a kind of nano rare earth modified epoxy anticorrosive paint and preparation method thereof.The nano rare earth modified epoxy anticorrosive paint that the present invention is obtained has good ultraviolet-resistent property and against weather.
Description
Technical field
The present invention relates to a kind of anticorrosive paint technology, specifically, it is related to a kind of nano rare earth modified epoxy anti-corrosion to apply
Material and preparation method thereof.
Background technology
Epoxide resin material is applied when in anticorrosive paint, such as in the most typical corrosive environment due to seawater and sea
The severe corrosive of ocean property air, under the synergy of saline sook and ultraviolet radioactive, composite coating can lose corrosion-resistant effect
Really, its failure procedure is divided into four-stage：Electrolyte solution quickly penetrates into；The coating porosity that heat radiation causes increases；It is ultraviolet
The coating inner macromolecule key rupture failure that line induction is produced；Latter stage light degradation is slow and corrosion product of generation to block coating empty
Gap.Wherein influence of the ultraviolet radioactive to coating is mainly manifested in two aspects：The failure initial stage is with the hot spoke produced by ultraviolet radioactive
Penetrate based on destruction, stage shows as radical reaction in ultraviolet induction organic coating, coating can be quickly invalidated.Cause
This, for the anticorrosive paint of metal, is badly in need of solving stability of the corrosion-inhibiting coating under high corrosion environment, particularly reduces ultraviolet spoke
Penetrate the destruction to coating.
In order to improve the corrosion resistance of anticorrosive paint, it is necessary to study the proportioning combination between various different materials, and open
The preparation method for sending out new.At present, the nano-powder such as silica, zinc oxide, aluminum oxide, montmorillonite, titanium oxide, calcium carbonate and carbon
The materials such as nanotube are successfully applied to the modified of organic coating, but different materials respectively have strengths and weaknesses, particularly strengthen modified
Out-of-service time length, directly affect the Acceptable life of modified corrosion-inhibiting coating.
Oxide nano rare earth, is a kind of Multifunction fine inorganic product.Because it shows many different from micro-
The special nature of meter level block rare earth oxide, such as small-size effect, skin effect, quantum size effect, macroscopic quantum effect
Answer etc., can be used for improving and improving intensity, the toughness of structural ceramics, it is also possible to improve the cation transport of function ceramics
Rate, important function is also functioned in semiconductor microwave medium, gas sensor, while its larger specific surface area having can be with bright
It is aobvious to strengthen its optical absorption characteristics.Therefore the usage amount that the intrinsic activity of rare earth reduces rare earth simultaneously can greatly be played.
But, for the application of oxide nano rare earth it is a blank in present coating.
The content of the invention
Technical problem solved by the invention is to provide a kind of nano rare earth modified epoxy anticorrosive paint, with good
Ultraviolet-resistent property and against weather.
Technical scheme is as follows：
A kind of nano rare earth modified epoxy anticorrosive paint, including：Epoxy resin, oxide nano rare earth, silane idol
Connection agent, auxiliary agent, hundred parts by weight than meter, epoxy resin 100%, oxide nano rare earth account for weight epoxy 0.5%~
5%；Silane coupler accounts for the 0.01%~0.5% of weight epoxy；Auxiliary agent accounts for the 0.5%~5% of weight epoxy.
Further：Nano rareearth oxidate powder body from rare earth element yttrium, cerium, lanthanum, neodymium, praseodymium, europium composition single element or
The oxide nano rare earth of dual element.
Further：Epoxy resin selects aqueous epoxy resins；Selection of auxiliary dispersant, defoamer, reinforcing agent, catalyst,
One or more in antioxidant.
Further：Silane coupler is from least one of KH550, KH560, KH151 or KH171.
Another technical problem solved by the invention be to provide a kind of nano rare earth modified epoxy anticorrosive paint and
Its preparation method, the nano rare earth modified epoxy anticorrosive paint for obtaining has good ultraviolet-resistent property and against weather.
Technical scheme is as follows：
A kind of preparation method of nano rare earth modified epoxy anticorrosive paint, including：
Silane coupler is hydrolyzed, silanol solution is obtained；
Oxide nano rare earth is heated and uniform stirring by metering than adding silanol solution, filtering, washing is dried
To modified Nano RE oxide powder；
Precise epoxy resin and various auxiliary agents, the oxide nano rare earth together with surface treatment add high-speed stirred to mix
In conjunction machine, it is sufficiently mixed and disperses, obtains nano rare earth modified epoxy anticorrosive paint；Nano rare earth modified epoxy is prevented
Rotten coating includes epoxy resin, oxide nano rare earth, silane coupler, auxiliary agent, and hundred parts by weight than meter, epoxy resin
100%, oxide nano rare earth accounts for the 0.5%~5% of weight epoxy；Silane coupler accounts for weight epoxy
0.01%~0.5%；Auxiliary agent accounts for the 0.5%~5% of weight epoxy.
Further：Hydrolysis ratio is volume ratio 1%~10%, 50~80 DEG C of hydrolysis temperature.
Further：Silane coupler is from least one of KH550, KH560, KH151 or KH171.
Further：Heating-up temperature is 60~120 DEG C, and mixing time is 1~4 hour；Drying temperature is 80 DEG C~120 DEG C,
Drying time is 2~24 hours.
Further：Nano rareearth oxidate powder body from rare earth element yttrium, cerium, lanthanum, neodymium, praseodymium, europium composition single element or
The oxide nano rare earth of dual element.
Further：Epoxy resin selects aqueous epoxy resins, selection of auxiliary dispersant, defoamer, reinforcing agent, catalyst,
One or more in antioxidant.
Compared with prior art, the technology of the present invention effect includes：
1st, the present invention is modified using oxide nano rare earth to epoxy coating, using nano oxidized rare-earth oxidation
The special nano-scale of thing and structure, significantly improve uvioresistant performance, weather-resistant performance and the electrochemistry of anticorrosive paint
Corrosive nature, more than 25%, electrochemical corrosion resistant resistance are improved compared to the uvioresistant performance of the pure zirconia cerium prepared under similarity condition
More than the 2-3 order of magnitude of anti-raising, be conducive to improving coating reliability of operation and the extension normal protection cycle of operation.
2nd, the present invention utilizes the special nano-scale of nano oxidized rare earth oxide and structure, to epoxy radicals anticorrosive paint
Uvioresistant performance, weather-resistant performance and electrochemical corrosion performance improve notable, compared to the pure oxygen prepared under similarity condition
The uvioresistant performance for changing cerium improves more than 25%, and electrochemical corrosion resistant impedance is improved more than the 2-3 order of magnitude, is conducive to improving anti-
The reliability of rotten coating duty and extension normal effective period.
Specific embodiment
Technical solution of the present invention is elaborated below with reference to example embodiment.However, example embodiment can
Implement in a variety of forms, and be not understood as limited to implementation method set forth herein；Conversely, thesing embodiments are provided so that
The design of example embodiment more comprehensively and completely, and is comprehensively conveyed to those skilled in the art by the present invention.
The preparation method of nano rare earth modified epoxy anticorrosive paint, comprises the following steps that：
Step 1：Silane coupler is hydrolyzed, silanol solution is obtained；
From at least one of KH550, KH560, KH151 and KH171, hydrolysis ratio is volume ratio 1% to silane coupler
~10%, 50~80 DEG C of hydrolysis temperature.
Step 2：Oxide nano rare earth is heated and uniform stirring by metering than adding silanol solution, filtering, washing,
Drying obtains modified Nano RE oxide powder；
Heating-up temperature is 60~120 DEG C, and mixing time is 1~4 hour.Drying temperature be 80 DEG C~120 DEG C, drying time
It is 2~24 hours.
Nano rareearth oxidate powder body is the single element or dual element constituted with rare earth elements such as yttrium, cerium, lanthanum, neodymium, praseodymium, europiums
The oxide nano rare earth mixture of one or more therein.
Oxide nano rare earth, any one oxide nano rare earth, it is on three dimensions yardstick, and at least one dimension is small
In 100nm, with nanostructured.
Step 3：Precise epoxy resin and various auxiliary agents, the oxide nano rare earth together with surface treatment are added at a high speed
In stirring mixer, it is sufficiently mixed and disperses, obtains nano rare earth modified epoxy anticorrosive paint.
Epoxy resin is aqueous epoxy resins, and auxiliary agent is dispersant, defoamer, reinforcing agent, catalyst, one kind of antioxidant
Or several mixtures.
The nano rare earth modified epoxy anticorrosive paint that production is obtained, including：Epoxy resin, oxide nano rare earth,
Silane coupler, auxiliary agent, hundred parts by weight account for weight epoxy than meter, epoxy resin 100%, oxide nano rare earth
0.5%~5%；Silane coupler accounts for the 0.01%~0.5% of weight epoxy；Auxiliary agent accounts for the 0.5% of weight epoxy
~5%.
Embodiment 1
In the present embodiment, nano rare earth modified epoxy anticorrosive paint preparation process is as follows：
Step 11：By 0.1% silane coupler KH171 hydrolysis, hydrolysis volume ratio is 4%, and 80 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 12：Silanol solution will be added by 1% oxide nano rare earth, 80 DEG C are heated simultaneously uniform stirring 2 hours, mistake
Filter, washing, 90 DEG C of drying obtain modified inorganic filler powder for 12 hours；
Step 13：The auxiliary agent of epoxy resin 100% and 2%, the oxide nano rare earth together with surface treatment adds high speed mixed
In conjunction machine, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint.
The nano rare earth modified epoxy anticorrosive paint coating for obtaining includes following components：
Epoxy resin 100%；
Oxide nano rare earth 1%；
Silane coupler 0.1%；
Auxiliary agent 2%.
Embodiment 2
In the present embodiment, nano rare earth modified epoxy anticorrosive paint preparation process is as follows：
Step 21：By 0.2% silane coupler KH151 hydrolysis, hydrolysis volume ratio is 5%, and 85 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 22：Silanol solution will be added by 1.5% oxide nano rare earth, 75 DEG C are heated simultaneously uniform stirring 2.5 hours,
Filtering, washing, 80 DEG C of drying obtain modified inorganic filler powder for 8 hours；
Step 23：The auxiliary agent of epoxy resin 100% and 2.5%, the oxide nano rare earth together with surface treatment is added at a high speed
In mixer, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint.
The nano rare earth modified epoxy anticorrosive paint that the present embodiment is obtained includes following components：
Epoxy resin 100%；
Oxide nano rare earth 1.5%；
Silane coupler 0.2%；
Auxiliary agent 2.5%.
Embodiment 3
A kind of nano rare earth modified epoxy anticorrosive paint preparation process of the present embodiment is as follows：
Step 31：By the hydrolysis of 0.05% Silane coupling agent KH550, hydrolysis volume ratio is 2%, and 50 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 32：Silanol solution will be added by 0.5% oxide nano rare earth, 60 DEG C are heated simultaneously uniform stirring 3 hours, mistake
Filter, washing, 100 DEG C of drying obtain modified inorganic filler powder for 12 hours；
Step 33：The auxiliary agent of epoxy resin 100% and 1.5%, the oxide nano rare earth together with surface treatment is added at a high speed
In mixer, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint.
In the present embodiment, the nano rare earth modified epoxy anticorrosive paint for obtaining includes following components：
Epoxy resin 100%；
Oxide nano rare earth 0.5%；
Silane coupler 0.05%；
Auxiliary agent 1.5%.
Embodiment 4
In the present embodiment, nano rare earth modified epoxy anticorrosive paint preparation process is as follows：
Step 41：By 0.5% silane coupler KH560 hydrolysis, hydrolysis volume ratio is 10%, and 80 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 42：Silanol solution will be added by 5% oxide nano rare earth, 120 DEG C are heated simultaneously uniform stirring 1 hour, mistake
Filter, washing, 80 DEG C of drying obtain modified inorganic filler powder for 24 hours；
Step 43：The auxiliary agent of epoxy resin 100% and 5%, the oxide nano rare earth together with surface treatment adds high speed mixed
In conjunction machine, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint.
In the present embodiment, the nano rare earth modified epoxy anticorrosive paint for obtaining includes following components：
Epoxy resin 100%；
Oxide nano rare earth 5%；
Silane coupler 0.5%；
Auxiliary agent 5%.
Embodiment 5
Nano rare earth modified epoxy anticorrosive paint preparation process is as follows in the present embodiment：
Step 51：By 0.01% silane coupler KH171 hydrolysis, hydrolysis volume ratio is 1%, and 60 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 52：To be heated by 0.5% oxide nano rare earth addition silanol solution, 120 DEG C and uniform stirring 1.5 will be small
When, filtering, washing, 80 DEG C of drying obtain modified inorganic filler powder for 14 hours；
Step 53：The auxiliary agent of epoxy resin 100% and 0.5%, the oxide nano rare earth together with surface treatment is added at a high speed
In mixer, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint.
In the present embodiment, the nano rare earth modified epoxy anticorrosive paint for obtaining includes following components：
Epoxy resin 100%；
Oxide nano rare earth 0.5%；
Silane coupler 0.01%；
Auxiliary agent 0.5%.
Embodiment 6
In the present embodiment, nano rare earth modified epoxy anticorrosive paint preparation process is as follows：
Step 61：By 0.3% silane coupler KH151 hydrolysis, hydrolysis volume ratio is 6%, and 80 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 62：Silanol solution will be added by 1.2% oxide nano rare earth, 85 DEG C are heated simultaneously uniform stirring 2.5 hours,
Filtering, washing, 85 DEG C of drying obtain modified inorganic filler powder for 12 hours；
Step 63：The auxiliary agent of epoxy resin 100% and 2.4%, the oxide nano rare earth together with surface treatment is added at a high speed
In mixer, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint.
In the present embodiment, the nano rare earth modified epoxy anticorrosive paint for obtaining includes following components：
Epoxy resin 100%；
Oxide nano rare earth 1.2%；
Silane coupler 0.3%；
Auxiliary agent 2.4%.
Embodiment 7
A kind of nano rare earth modified epoxy anticorrosive paint preparation process of the present embodiment is as follows：
Step 71：By 0.1% silane coupler KH560 hydrolysis, hydrolysis volume ratio is 4%, and 90 DEG C of hydrolysis temperature is obtained
Silanol solution；
Step 72：Silanol solution will be added by 1% oxide nano rare earth, 70 DEG C are heated simultaneously uniform stirring 4 hours, mistake
Filter, washing, 90 DEG C of drying obtain modified inorganic filler powder for 10 hours；
Step 73：The auxiliary agent of epoxy resin 100% and 2%, the oxide nano rare earth together with surface treatment adds high speed mixed
In conjunction machine, it is sufficiently mixed, obtains nano rare earth modified epoxy anticorrosive paint；
In the present embodiment, the nano rare earth modified epoxy anticorrosive paint for obtaining includes following components：
Epoxy resin 100%；
Oxide nano rare earth 1%；
Silane coupler 0.1%；
Auxiliary agent 2%.
Term used herein is explanation and exemplary and nonrestrictive term.Because the present invention can be with various
Form specific implementation without deviating from invention it is spiritual or substantive, it should therefore be appreciated that above-described embodiment be not limited to it is any foregoing
Details, and widely being explained in the spirit and scope that should be limited in appended claims, thus fall into claim or its etc.
Whole changes and remodeling in the range of effect all should be appended claims and covered.
Claims (10)
1. a kind of nano rare earth modified epoxy anticorrosive paint, it is characterised in that：Aoxidized including epoxy resin, nano rare earth
Thing, silane coupler, auxiliary agent, hundred parts by weight account for weight epoxy than meter, epoxy resin 100%, oxide nano rare earth
0.5%~5%；Silane coupler accounts for the 0.01%~0.5% of weight epoxy；Auxiliary agent accounts for weight epoxy
0.5%~5%.
2. nano rare earth modified epoxy anticorrosive paint as claimed in claim 1, it is characterised in that：Nano rareearth oxidate powder
Oxide nano rare earth of the body from rare earth element yttrium, cerium, lanthanum, neodymium, praseodymium, the single element of europium composition or dual element.
3. nano rare earth modified epoxy anticorrosive paint as claimed in claim 1, it is characterised in that：Epoxy resin is from aqueous
Epoxy resin；One or more in selection of auxiliary dispersant, defoamer, reinforcing agent, catalyst, antioxidant.
4. nano rare earth modified epoxy anticorrosive paint as claimed in claim 1, it is characterised in that：Silane coupler is selected
At least one of KH550, KH560, KH151 or KH171.
5. a kind of preparation method of nano rare earth modified epoxy anticorrosive paint, including：
Silane coupler is hydrolyzed, silanol solution is obtained；
Oxide nano rare earth is heated and uniform stirring by metering than adding silanol solution, filtering, washing, drying is changed
Property nano rareearth oxidate powder body；
Precise epoxy resin and various auxiliary agents, the oxide nano rare earth together with surface treatment add high-speed stirring mixer
It is interior, it is sufficiently mixed and disperses, obtain nano rare earth modified epoxy anticorrosive paint；Nano rare earth modified epoxy anti-corrosion is applied
Material includes epoxy resin, oxide nano rare earth, silane coupler, auxiliary agent, and hundred parts by weight are received than meter, epoxy resin 100%
Rice rare earth oxide accounts for the 0.5%~5% of weight epoxy；Silane coupler account for weight epoxy 0.01%~
0.5%；Auxiliary agent accounts for the 0.5%~5% of weight epoxy.
6. the preparation method of nano rare earth modified epoxy anticorrosive paint as claimed in claim 5, it is characterised in that：Hydrolysis ratio
Example is volume ratio 1%~10%, 50~80 DEG C of hydrolysis temperature.
7. the preparation method of nano rare earth modified epoxy anticorrosive paint as claimed in claim 5, it is characterised in that：Silane idol
Connection agent is from least one of KH550, KH560, KH151 or KH171.
8. the preparation method of nano rare earth modified epoxy anticorrosive paint as claimed in claim 5, it is characterised in that：Heating temperature
It is 60~120 DEG C to spend, and mixing time is 1~4 hour；Drying temperature is 80 DEG C~120 DEG C, and drying time is 2~24 hours.
9. the preparation method of nano rare earth modified epoxy anticorrosive paint as claimed in claim 5, it is characterised in that：Nano Rare
Nano rare earth oxidation of the native oxide powder from rare earth element yttrium, cerium, lanthanum, neodymium, praseodymium, the single element of europium composition or dual element
Thing.
10. the preparation method of nano rare earth modified epoxy anticorrosive paint as claimed in claim 5, it is characterised in that：Epoxy
Resin selects aqueous epoxy resins, the one kind or several in selection of auxiliary dispersant, defoamer, reinforcing agent, catalyst, antioxidant
Kind.
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| CN109280454A (en) * | 2018-07-26 | 2019-01-29 | 武汉理工大学 | A kind of aqueous organic resin/compound aging resistant coating of modified nano-silica cerium and preparation method thereof |
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| CN115650635A (en) * | 2022-11-25 | 2023-01-31 | 天津包钢稀土研究院有限责任公司 | High-performance rare earth nano-coating prepared from polishing powder waste and preparation method thereof |
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Cited By (6)
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| CN108795227A (en) * | 2018-05-04 | 2018-11-13 | 砺剑防务技术集团有限公司 | A kind of special super anticorrosive paint of poly- silicon ceramic concrete and preparation method thereof |
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| CN113072860A (en) * | 2021-05-17 | 2021-07-06 | 南京深业智能化系统工程有限公司 | Nano rare earth oxide modified functional coating and preparation method thereof |
| CN115650635A (en) * | 2022-11-25 | 2023-01-31 | 天津包钢稀土研究院有限责任公司 | High-performance rare earth nano-coating prepared from polishing powder waste and preparation method thereof |
| CN115650635B (en) * | 2022-11-25 | 2023-10-27 | 天津包钢稀土研究院有限责任公司 | High-performance rare earth nano paint prepared from polishing powder waste and preparation method thereof |
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Application publication date: 20170627 |