CN109988493A - A kind of weatherability repair paint composition and its preparation method and application - Google Patents
A kind of weatherability repair paint composition and its preparation method and application Download PDFInfo
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- CN109988493A CN109988493A CN201910282680.3A CN201910282680A CN109988493A CN 109988493 A CN109988493 A CN 109988493A CN 201910282680 A CN201910282680 A CN 201910282680A CN 109988493 A CN109988493 A CN 109988493A
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- component
- weatherability
- paint composition
- repair paint
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The present invention relates to a kind of weatherability repair paint compositions and its preparation method and application, the coating includes component A and B component, and component A includes the following raw material: polyaspartic ester secondary amine resins, butyl acetate, double aminoalkoxysilanes, hydrophobic type gas phase silica, defoaming agent, weather-proof pigment powder, ultra-fine phosphoric acid zinc molybdate, super-fine silicon micro-powder, high piece diameter are than glass flake, organic-silicon-modified acrylate polymer；B component includes the following raw material: low viscosity hexamethylene diisocyanate resin, 4,4 '-dicyclohexyl methyl hydride diisocyanates, butyl acetate.The good effect of high osmosis low prepared surface anticorrosive paint of the present invention is: providing a kind of pair of low prepared surface carbon steel base material with high osmosis; high associativity; the protective coating that reduction process requires provides a kind of new technical solution for the Port Mechanism Maintenance protection under high chloride ion corrosive environment.
Description
Technical field
The present invention relates to a kind of weather-proof repair paint preparation method and applications of harbour machinery, belong to coating technology neck
Domain.Because of subsequent painting caused by more difficult acquisition perfect condition surface when the invention patent can solve current harbour machinery maintenance
The technical issues of layer antiseptic property and guarantor's light unfading are unable to reach long-acting heavy antisepsis requirement, and in particular to be applied to maintenance shape
The carbon steel metal substrate regions of port machine under state.
Background technique
Inhibiting metallic material corrosion by coating technology is a very important project.Under normal condition, coating application
There are more stringent coating process process and surface treatment to require in metal surface, as surface of bottom material cleannes should be not less than
2 Sa as defined in GB/T8923.11/2Grade, surface roughness reach Rz (40-75) μm, and soluble surface chloride content is no more than
10 millis gram/cm etc., the tradition routine corrosion-inhibiting coating also competence exertion only under above-mentioned ideal surface state
Coating is to the preferable anti-corrosion of substrate and protective performance out.But in practical engineering project maintenance, above-mentioned ideal surfaced processing status
Substantially it is difficult to, surface of bottom material often contains the pollutants such as corrosion product, soluble organic fraction, moisture and greasy dirt.Such as harbour machine
The engineering sites such as tool, ship and ocean platform add coating personnel because working condition limitation cannot achieve derusting by sandblasting process
Technical quality and other objective condition reasons, the pre-treatment derusting for eventually leading to steel structure surface cannot reach ideal shape
Sa 2 under state1/2Grade or St3 grades, coating antiseptic quality is unable to get guarantee.
Therefore, it is very necessary to research and develop a kind of low prepared surface anticorrosive paint, many coating workers also do in this project
Many work such as use low surface treatment epoxy coating.Epoxy coating has extraordinary rigidity and antiseptic property, passes through control
Resin molecular weight size, curing rate or compound other low-molecular-weight resins processed, can also reach a good permeability, accomplish
Low prepared surface requirement, but epoxy resin paint film can gradually appear dusting Huang intolerant to sunlight ultraviolet ageing as time goes by
Become, reduce coating property, the weather-proof topcoat that needs to arrange in pairs or groups uses together.At the same time, the high polyurethane resin of weatherability applies
Material, since molecular weight is larger, permeability is weaker, and the adhesive force of paint film and metal base is bad, also more difficult in low prepared surface
Under the conditions of directly apply.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention is poly- preferably and with high crosslink density high tenacity with acid-proof alkaline
Aspartate is base-material, using small molecule resin and the high capillary percolation mode of double aminoalkoxysilanes, has chosen tool
There are the micron order glass flake and super-hydrophobicity substance of high-ratio surface, has prepared with excellent permeability, shielding and resistance to
A kind of low prepared surface weatherability repair paint of time property.The coating carries out crosslinking curing by penetrating into metal oxide layer structure,
Coating still has higher antiseptic property and preferable weather resistance under the conditions of having achieved the effect that low prepared surface.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of weatherability repair paint compositions comprising component A and B component, the component A include
The following raw material of percentage:
The B component includes the following raw material of percentage:
Low viscosity hexamethylene diisocyanate resin 60%~70%；
4,4 '-dicyclohexyl methyl hydride diisocyanates 10%~30%；
Butyl acetate 10%~20%.
Polyaspartic ester is a kind of novel weathering resistant material, have excellent rustless property, Corrosion Protection and
Mechanical physicochemical property, and it is preferable with metal base binding force, while its own molecular weight is smaller, good penetrability, acid and alkali-resistance etc. is changed
It is good to learn performance.Therefore other high osmosis materials and corresponding high barrier material application can be assisted as matrix resin
Carbon steel metal substrate carries out anti-corrosion protection under the conditions of the heavy antisepsis such as harbour machinery field is to low prepared surface.
Preferably, the weight ratio of the component A and B component is 100:(10~15).
Preferably, the viscosity of the polyaspartic ester secondary amine resins is 900~1500mPas, amine value
It is 195~205.
Preferably, the shape of the ultra-fine phosphoric acid zinc molybdate is spherical shape, and average grain diameter is 6~10 μm.
Preferably, the average grain diameter of the super-fine silicon micro-powder is less than 20 μm.
Preferably, for the high piece diameter than glass flake with a thickness of 2~5 μm, piece diameter is 50~80 μm.
Preferably, the solid content of the low viscosity hexamethylene diisocyanate resin is greater than 99%, and viscosity is
400~700mPas, the content of isocyanate group are 18%~24%.
Preferably, the low viscosity hexamethylene diisocyanate resin is that 4,4 '-dicyclohexyl methyl hydrides two are different
Cyanate ester resin.
Preferably, the solid content of the low viscosity hexamethylene diisocyanate resin is greater than 99%, and viscosity is
400~700mPas, the content of isocyanate group are 30%~35%.
Preferably, described 4, the solid content of 4 '-dicyclohexyl methyl hydride diisocyanate resins is greater than 99%, viscosity
For 20~80mPas, the content of isocyanate group is 18%~24%.
A kind of preparation method of weatherability repair paint composition as the aforementioned, wherein the preparation method packet of the component A
Include following steps:
After polyaspartic ester and double aminoalkoxysilanes are mixed, under conditions of being stirred continuously, sequentially add
Butyl acetate and defoaming agent, be dispersed with stirring uniformly, be added hydrophobicity aerosil, after dispersion, sequentially add titanium dioxide,
Ultra-fine phosphoric acid zinc molybdate and super-fine silicon micro-powder, are uniformly dispersed, and high radius-thickness ratio scale, organic-silicon-modified propylene are added at 45 DEG C
Acid ester polymer, discharge packaging after mixing；
The preparation method of the B component includes the following steps:
By hexamethylene diisocyanate resin and 4,4 '-dicyclohexyl methyl hydride diisocyanates in butyl acetate middling speed point
After dissipating uniformly, discharging packaging.
A kind of purposes of weatherability repair paint composition as the aforementioned in harbour machinery.
The present invention has the advantages that
1, a kind of pair of low prepared surface carbon steel base material is provided with high osmosis, and high associativity, what reduction process required prevents
Coating is protected, provides a kind of new technical solution for the Port Mechanism Maintenance protection under high chloride ion corrosive environment.
2, protective coating not only has excellent antiseptic property, also has outstanding weather resistance, it is possible to reduce ultraviolet light
Coating dusting and reduced performance caused by aging, while coating also has outstanding abrasion resistance properties, and harbour can be effectively reduced
The common coating mechanical damage situation in region.
3, protective coating has the general chemicals spilling performances such as outstanding acid and alkali-resistance, while coating is formed in surface of the paint film
The molecular layer of class siloxanes very high density, surface can be low, to greatly improve the water resistance of surface of the paint film, slipping and resistance to pickup
Etc. performances.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment 1
(1) high osmosis low prepared surface anticorrosive paint includes component A and B component, the weight of each raw material in the component A
Measure percentage are as follows:
Polyaspartic ester secondary amine resins 40% use the trade mark (or model) of Cohan wound company production for NH1420
Poly-aspartic-acid rouge secondary amine resins.
Butyl acetate 10%, the technical grade acetic acid butyl ester produced using Qilu Petrochemical.
Double aminoalkoxysilanes 6% are coupled using figure new high-tech material (China) Co., Ltd's A-1120 amino silane advanced in years
Agent product, this is a kind of difunctional silane coupling agent with reactivity；Its reactive duality can be used as crosslinking agent
It uses, also can be used as the adhesion promotor of the invention coating.
Hydrophobicity aerosil 0.5% is produced using the H18 hydrophobicity aerosil of German Wa Ke company production
Product.
Defoaming agent 0.5%, the trade mark (or model) for using Bi Ke company to produce is the defoaming agent of BYK066N.
Titanium dioxide 8%, the trade mark (or model) for using Te Nuo company to produce is CR-828, specific gravity between 4.1~4.5
Rutile type titanium white.
Ultra-fine phosphoric acid zinc molybdate 5%, the trade mark (or model) for using Hai Chi chemical company to produce is the organic-philic of HCP1200
The ultra-fine phosphoric acid zinc molybdate of property.
Super-fine silicon micro-powder 23%, use silicon than the trade mark (or model) that section company produces for 606 super-fine silicon micro-powder.
Ratio of height to diameter glass flake 6%, using the organic-silicon-modified of Asahi Glass company production, with a thickness of the glass of (2~5) um
Scale.
Organic-silicon-modified acrylate polymer 1%, using the trade mark (or model) using the production of Hai Chi chemical company
For the organic-silicon-modified acrylate polymer of HCA37.
B component is isocyanate resin
Low viscosity hexamethylene diisocyanate resin 70%, the trade mark produced using Kang Rui (former Luo Diya) company (or
Model) be HDT-LV2 low viscosity, 100% contains admittedly, hexamethylene diisocyanate trimer resin.
4,4 '-dicyclohexyl methyl hydride diisocyanates 20%, using the production of Wan Hua company, the trade mark is WANNATE HMDI
4,4 '-dicyclohexyl methyl hydride diisocyanate resins.
Solvent 10% is butyl acetate, the technical grade acetic acid butyl ester produced using Qilu Petrochemical.
The component A is used in mixed way with the B component by weight A:B=100:10 before coating.
(2) preparation method of the high osmosis low prepared surface anticorrosive paint, contains following steps:
(1) preparation of component A
1. polyaspartic ester and double aminoalkoxysilanes are placed in industrial container by the weight percent of component A
In, under conditions of being stirred continuously, solvent and defoaming agent are sequentially added, is dispersed with stirring after ten minutes, hydrophobicity gas phase two is added
Silica improves dispersing speed, after high speed dispersion 15 minutes, titanium dioxide, ultra-fine phosphorus is sequentially added under moderate-speed mixer state
Sour zinc molybdate, super-fine silicon micro-powder, then dispersing speed is improved, continue to stir, the reduction when the above mixture temperature reaches 45 DEG C
High radius-thickness ratio scale, organic-silicon-modified acrylate polymer is added in revolving speed, disperses 40 minutes.
2. just being dispensed and being saved by the packing instructions of product.
(2) preparation of B component
1. hexamethylene diisocyanate resin and 4,4 '-dicyclohexyl methyl hydride diisocyanates, solvent are placed in completely
It is anhydrous, without in the remaining scuffing of cylinder bore of alcohols solvent middling speed disperse 15 minutes, B component coating of the invention is become after being uniformly dispersed.
2. just being dispensed and being saved by the packing instructions of product.
Embodiment 2
(1) the high osmosis low prepared surface anticorrosive paint the preparation method comprises the following steps:
Prepare the raw material of component A and B component by the weight percent, the weight percent of each raw material in component A are as follows:
B component is isocyanate resin
Low viscosity hexamethylene diisocyanate resin 70%；(raw material of use is with embodiment 1)
4,4 '-dicyclohexyl methyl hydride diisocyanates 10%；(raw material of use is with embodiment 1)
Solvent 20%；(raw material of use is with embodiment 1)
The component A is used in mixed way with the B component by weight A:B=100:15 before coating.
(2) preparation method of the high osmosis low prepared surface anticorrosive paint (with embodiment 1).
Embodiment 3
(1) high osmosis low prepared surface anticorrosive paint includes component A and B component, the weight of each raw material in the component A
Measure percentage are as follows:
B component is isocyanate resin
Low viscosity hexamethylene diisocyanate resin 60%；(raw material of use is with embodiment 1)
4,4 '-dicyclohexyl methyl hydride diisocyanates 30%；(raw material of use is with embodiment 1)
Solvent 10%；(raw material of use is with embodiment 1)
The component A is used in mixed way with the B component by weight A:B=100:10 before coating.
(2) preparation method of the high osmosis low prepared surface anticorrosive paint (with embodiment 1).
(3) detection of high osmosis low prepared surface anticorrosive paint prepared by embodiment 1, embodiment 2, using 2 side of table
Method detects high osmosis low prepared surface anticorrosive paint prepared by embodiment 1-3, and performance is shown in Table 1.
The performance table of the high osmosis low prepared surface anticorrosive paint of 1. embodiment 1-3 of table preparation
2. test methods table of table
| Test item | Test method |
| Appearance | Visually |
| Adhesive force | ISO 4624 |
| Flexibility | GB/T 1731 |
| Wearability | GB/T 1768 |
| Artificial accelerated aging | ISO 11507 |
| Acidproof/alkalinity | GB/T 9274 |
| Salt fog resistance | GB/T 1771 |
In conclusion only presently preferred embodiments of the present invention, is not used to limit the scope of implementation of the present invention, it is all according to
Equivalent changes and modifications carried out by shape described in scope of the invention as claimed, construction, feature and spirit should be included in this
In the scope of the claims of invention.
Claims (10)
1. a kind of weatherability repair paint composition, which is characterized in that including component A and B component, the component A includes by weight
Measure the following raw material of percentage meter:
The B component includes the following raw material of percentage:
Low viscosity hexamethylene diisocyanate resin 60%~70%；
4,4 '-dicyclohexyl methyl hydride diisocyanates 10%~30%；
Butyl acetate 10%~20%.
2. weatherability repair paint composition as described in claim 1, which is characterized in that the weight of the component A and B component
Than for 100:(10~15).
3. weatherability repair paint composition as described in claim 1, which is characterized in that the polyaspartic ester parahelium
The viscosity of base resin is 900~1500mPas, and amine value is 195~205.
4. weatherability repair paint composition as described in claim 1, which is characterized in that the shape of the ultra-fine phosphoric acid zinc molybdate
Shape is spherical shape, and average grain diameter is 6~10 μm.
5. weatherability repair paint composition as described in claim 1, which is characterized in that the average grain of the super-fine silicon micro-powder
Diameter is less than 20 μm.
6. weatherability repair paint composition as described in claim 1, which is characterized in that the high piece diameter is than glass flake
With a thickness of 2~5 μm, piece diameter is 50~80 μm.
7. weatherability repair paint composition as described in claim 1, which is characterized in that the low viscosity hexa-methylene two is different
The solid content of cyanate ester resin is greater than 99%, and viscosity is 400~700mPas, and the content of isocyanate group is 30%~35%.
8. weatherability repair paint composition as described in claim 1, which is characterized in that described 4,4 '-dicyclohexyl methyl hydrides
The solid content of diisocyanate resin is greater than 99%, and viscosity is 20~80mPas, and the content of isocyanate group is 18%~
24%.
9. a kind of preparation method of the weatherability repair paint composition as described in any one of claim 1~8, feature
It is, the preparation method of the component A includes the following steps:
After polyaspartic ester and double aminoalkoxysilanes are mixed, under conditions of being stirred continuously, acetic acid is sequentially added
Butyl ester and defoaming agent are dispersed with stirring uniformly, hydrophobicity aerosil are added, and after dispersion, sequentially add titanium dioxide, ultra-fine
Phosphoric acid zinc molybdate and super-fine silicon micro-powder, are uniformly dispersed, and high radius-thickness ratio scale, organic-silicon-modified acrylate are added at 45 DEG C
Polymer, discharge packaging after mixing；
The preparation method of the B component includes the following steps:
Hexamethylene diisocyanate resin and 4,4 '-dicyclohexyl methyl hydride diisocyanates is equal in the dispersion of butyl acetate middling speed
After even, discharging packaging.
10. a kind of use of the weatherability repair paint composition in harbour machinery as described in any one of claim 1~8
On the way.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282680.3A CN109988493A (en) | 2019-04-10 | 2019-04-10 | A kind of weatherability repair paint composition and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282680.3A CN109988493A (en) | 2019-04-10 | 2019-04-10 | A kind of weatherability repair paint composition and its preparation method and application |
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| CN109988493A true CN109988493A (en) | 2019-07-09 |
Family
ID=67132607
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| CN201910282680.3A Pending CN109988493A (en) | 2019-04-10 | 2019-04-10 | A kind of weatherability repair paint composition and its preparation method and application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861817A (en) * | 2021-11-09 | 2021-12-31 | 烟台恒诺新材料有限公司 | Oily ultraviolet-resistant corrosion-resistant anti-drop coating material and preparation method thereof |
| CN115418155A (en) * | 2022-08-25 | 2022-12-02 | 荆门科顺新材料有限公司 | Repairing composition for waterproof coiled material and method for repairing waterproof coiled material |
| CN115785765A (en) * | 2022-12-22 | 2023-03-14 | 上海海隆赛能新材料有限公司 | Nodular iron casting anticorrosive primer for wind generating set and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632018A (en) * | 2004-11-19 | 2005-06-29 | 中国化工建设总公司常州涂料化工研究院 | Coating composition excellent in weather resistance and elasticity |
| US8137813B2 (en) * | 2006-12-18 | 2012-03-20 | Ppg Industries Ohio, Inc. | Triamine/aspartate curative and coatings comprising the same |
| CN109486383A (en) * | 2018-11-12 | 2019-03-19 | 上海海隆赛能新材料有限公司 | High osmosis low prepared surface anticorrosive paint |
-
2019
- 2019-04-10 CN CN201910282680.3A patent/CN109988493A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632018A (en) * | 2004-11-19 | 2005-06-29 | 中国化工建设总公司常州涂料化工研究院 | Coating composition excellent in weather resistance and elasticity |
| US8137813B2 (en) * | 2006-12-18 | 2012-03-20 | Ppg Industries Ohio, Inc. | Triamine/aspartate curative and coatings comprising the same |
| CN109486383A (en) * | 2018-11-12 | 2019-03-19 | 上海海隆赛能新材料有限公司 | High osmosis low prepared surface anticorrosive paint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861817A (en) * | 2021-11-09 | 2021-12-31 | 烟台恒诺新材料有限公司 | Oily ultraviolet-resistant corrosion-resistant anti-drop coating material and preparation method thereof |
| CN115418155A (en) * | 2022-08-25 | 2022-12-02 | 荆门科顺新材料有限公司 | Repairing composition for waterproof coiled material and method for repairing waterproof coiled material |
| CN115785765A (en) * | 2022-12-22 | 2023-03-14 | 上海海隆赛能新材料有限公司 | Nodular iron casting anticorrosive primer for wind generating set and preparation method thereof |
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