CN110128939A - A kind of aqueous high-temperature-resistant coating composition and preparation method thereof - Google Patents

A kind of aqueous high-temperature-resistant coating composition and preparation method thereof Download PDF

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Publication number
CN110128939A
CN110128939A CN201910413192.1A CN201910413192A CN110128939A CN 110128939 A CN110128939 A CN 110128939A CN 201910413192 A CN201910413192 A CN 201910413192A CN 110128939 A CN110128939 A CN 110128939A
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Prior art keywords
aqueous
temperature
parts
resistant coating
coating composition
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CN201910413192.1A
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Chinese (zh)
Inventor
武歧
杨勇
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Shandong Seven Reform Materials Co Ltd
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Shandong Seven Reform Materials Co Ltd
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Priority to CN201910413192.1A priority Critical patent/CN110128939A/en
Publication of CN110128939A publication Critical patent/CN110128939A/en
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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
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • 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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant 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
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0812—Aluminium
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

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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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to the technical fields of chemistry painting industry more particularly to a kind of aqueous high-temperature-resistant coating composition and preparation method thereof.Using components such as organic siliconresin, fluorine carbon emulsion, aqueous dispersion, aqueous defoamer, aqueous substrate wetting agents, high temperature resistant pigments and fillers, contain organic silicon oxygen bond resistant to high temperature and fluorine carbon key, pass through the adjustment to sequence, the mixing speed that material is added etc., obtain aqueous high-temperature-resistant coating, the coating can be with room temperature film-forming, forming paint film has certain degree of hardness, resistance to marring, to solve the above technical problems.

Description

A kind of aqueous high-temperature-resistant coating composition and preparation method thereof
Technical field
The present invention relates to the technical field of chemistry painting industry more particularly to a kind of aqueous high-temperature-resistant coating composition and its preparations Method.
Background technique
With the development of industry, the requirement to the functional coating for meeting industry field demand is higher and higher.
Coating is a kind of chemical products made of resin and oil etc., coated in forming layer protecting film after body surface, It isolates the surface of object with surrounding medium, to play the corresponding protection and decorative effect to object.Wherein according to demand Difference, coating are applied to the fields such as building, industrial protection, require not with the enhancing of people's environmental consciousness and to coating Disconnected to improve, the industrial paint for being provided simultaneously with desired effect and strong corrosion resistant receives favor.
In general high-temperature resistant coating refers to can be resistant to 300 DEG C or more for a long time, and is able to maintain certain physical and chemical performance, makes The special functional coating that protected object can normally play a role in the high temperature environment.With the swift and violent hair of organosilicon industry Exhibition, high temperature organosilicon paint are widely used in coating row because of its good thermal stability, oxidative resistance and special structure Industry.
The common water paint in market at present, high temperature resistance are unable to satisfy the market demand, and the development of high-temperature resistant coating is big Part is present in experimental stage, can not promote, can not break through in high-temperature field, be unfavorable for the development of commercial waterborne coating.
Summary of the invention
It falls off damage for the water paint high temperature lacquer of the prior art, in the deficiency that high-temperature field can not be broken through etc., this Invention provides a kind of aqueous high-temperature-resistant coating composition and preparation method thereof, containing organic silicon oxygen bond resistant to high temperature and fluorine carbon key, By the adjustment to sequence, mixing speed etc. that material is added, obtain aqueous high-temperature-resistant coating, the coating can with room temperature at Film, forming paint film has certain degree of hardness, resistance to marring, to solve the above technical problems.
In a first aspect, the present invention provides a kind of aqueous high-temperature-resistant coating composition, including following components by weight: It is 30-50 parts of organic siliconresin, 10-20 parts of fluorine carbon emulsion, 0.5-2 parts of aqueous dispersion, 0.1-0.3 parts of aqueous defoamer, aqueous 0.2-0.6 parts of substrate wetting agents, 1-4 parts of coalescing agent, 0.2-0.8 parts of aqueous levelling agent, 0.1-0.3 parts of thickener, silane is even Agent 0.5-1.5 parts, 40-70 parts of high temperature resistant pigments and fillers of connection.
Preferably, the organic siliconresin is silicone resin, mass fraction of solids 50%.
Preferably, the solid content of the fluorine carbon emulsion is 40-50%, and fluorine content is 10-14% in the fluorine carbon emulsion.
Preferably, aqueous dispersion is Bi Ke 190 or Digao 760W.Pigments and fillers in effective wetting and dispersing formula, increase The stability of strong system.
Preferably, aqueous defoamer is Digao 810 or Digao 825.The effective production for inhibiting bubble in grinding production process It is raw.
Preferably, aqueous substrate wetting agents are Digao 280 or Bi Ke 346.The effective surface tension and infiltration for improving coating Permeability improves the adhesive force to substrate.
Preferably, coalescing agent is alcohol ester 12.It is effective to guarantee that coating forms a film in wide temperature range, avoid paint film The generation of defect.
Preferably, aqueous levelling agent is Digao 100 or Bi Ke 333.The effective flatness and smoothness for improving paint film.
Preferably, thickener is this 299 or hamming this 105A of hamming.The effective viscosity for improving coating, enhancing storage are steady It is qualitative.
Preferably, silane coupling agent is that the U.S. joins carbon KH-550.The effective coating that improves is to the adhesive force of substrate.
Preferably, high temperature resistant pigments and fillers include: glass powder with low melting point, aluminium powder, talcum powder, barium sulfate, wherein low melting point glass Glass powder, aluminium powder, talcum powder, barium sulfate weight ratio relationship be glass powder with low melting point: aluminium powder: talcum powder: barium sulfate=4:1: 1:2.The heat-resisting quantity of the effective system stability for ensureing coating and coating.
Second aspect, the present invention provide a kind of preparation method of aqueous high-temperature-resistant coating composition, comprising the following steps:
1) raw material is weighed according to said ratio, organic siliconresin and fluorine carbon emulsion is put into blender, mixing speed is 400-600r/min, is then added aqueous dispersion and aqueous defoamer, and adjustment mixing speed is 700-900r/min, stirring 10-30 minutes；
2) adjustment mixing speed is 900-1200r/min, and high temperature resistant pigments and fillers and water are added in whipping process, is kept 1200 revolving speed r/min stir 20min, then grind, until filtering behind fineness≤30 μm, obtain slurries；；
3) in the slurries for obtaining step 2, aqueous substrate wetting agents, coalescing agent, aqueous levelling agent, silane are sequentially added Coupling agent, and continue to stir 5-10min under 700-900r/min revolving speed；Then thickener, adjustment viscosity to 80- are added 90ku obtains aqueous high-temperature-resistant coating after mixing evenly.
The beneficial effects of the present invention are:
Aqueous high-temperature-resistant coating prepared by the present invention, containing organic silicon oxygen bond resistant to high temperature and fluorine carbon key, by addition The adjustment of sequence, the mixing speed of material etc. obtains aqueous high-temperature-resistant coating, which can form paint film with room temperature film-forming With certain degree of hardness, resistance to marring, and possess excellent water-fast, acidproof and alkaline-resisting, and preferable resistance to height can be reached after doing solid work Warm nature energy has biggish application value and meaning.
The repeatable spraying of the aqueous high-temperature-resistant coating that the present invention obtains is brushed, and grinability and fillibility are good；The resistance to alcohol of paint film Performance is good, and it is without exception to be soaked in 60mi n in the ethanol water that mass concentration is 75%；It is 10% that paint film, which is placed in mass concentration, 48h in aqueous sulfuric acid, coating fall off without blistering nothing；Paint film be placed in mass concentration be 20% NaOH aqueous solution 48h, coating without Blistering nothing falls off；Paint film is placed in 100 DEG C of boilings for 24 hours, and coating falls off without blistering nothing；And it being capable of long-term resistance to 550 DEG C of high temperature.
In short, high-temperature resistant coating designed by the present invention, possesses good application value and market prospects.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention below will be implemented the present invention Technical solution in example is clearly and completely described, it is clear that described embodiment is only that present invention a part is implemented Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness Every other embodiment obtained, should fall within the scope of the present invention under the premise of labour.
Embodiment 1
Proportion: 45 parts of organic siliconresin (silicone resin), fluorine carbon emulsion (solid content 40%, fluorine content 14%) 15 Part, 1.6 parts of aqueous dispersion (Bi Ke 190), 0.3 part of aqueous defoamer (Digao 810), aqueous substrate wetting agents (Digao 280) 0.5 part, 2.5 parts of coalescing agent (alcohol ester 12), 0.8 part of aqueous levelling agent (Digao 100), thickener (hamming this 299) 0.3 Part, 1.5 parts of silane coupling agent (U.S. joins carbon KH-550), 32 parts of glass powder with low melting point, 8 parts of aluminium powder, 8 parts of talcum powder, barium sulfate 16 parts.
Preparation method:
1) raw material is weighed according to said ratio, organic siliconresin and fluorine carbon emulsion is put into blender, mixing speed is Then aqueous dispersion and aqueous defoamer is added in 500r/min, adjustment mixing speed is 800r/min, stirs 20 minutes；
2) adjustment mixing speed is 1000r/min, and high temperature resistant pigments and fillers, suitable water, adjustment are added in whipping process Mixing speed is that 1200r/min stirs 20min, then grinds, until fineness≤30 μm are filtered, obtains slurries；
3) in the slurries for obtaining step 2, aqueous substrate wetting agents, coalescing agent, aqueous levelling agent, silane are sequentially added Coupling agent, and continue to stir 5-10min under 800r/min revolving speed；Then thickener, adjustment viscosity to 80ku, stirring are added Aqueous high-temperature-resistant coating is obtained after uniformly.
Embodiment 2
Proportion: 15 parts of organic siliconresin (silicone resin), fluorine carbon emulsion (solid content 40%, fluorine content 14%) 45 Part, 1.6 parts of aqueous dispersion (Bi Ke 190), 0.3 part of aqueous defoamer (Digao 810), aqueous substrate wetting agents (Digao 280) 0.5 part, 2.5 parts of coalescing agent (alcohol ester 12), 0.8 part of aqueous levelling agent (Digao 100), thickener (hamming this 299) 0.3 Part, 1.5 parts of silane coupling agent (U.S. joins carbon KH-550), 32 parts of glass powder with low melting point, 8 parts of aluminium powder, 8 parts of talcum powder, barium sulfate 16 parts.
Preparation method: with embodiment 1.
Embodiment 3
Proportion: 50 parts of organic siliconresin (silicone resin), fluorine carbon emulsion (solid content 40%, fluorine content 14%) 16 Part, 1.6 parts of aqueous dispersion (Bi Ke 190), 0.3 part of aqueous defoamer (Digao 810), aqueous substrate wetting agents (Digao 280) 0.5 part, 2.5 parts of coalescing agent (alcohol ester 12), 0.8 part of aqueous levelling agent (Digao 100), thickener (hamming this 299) 0.3 Part, 0.5 part of silane coupling agent (U.S. joins carbon KH-550), 32 parts of glass powder with low melting point, 8 parts of aluminium powder, 8 parts of talcum powder, barium sulfate 16 parts.
Preparation method: with embodiment 1.
Embodiment 4
Proportion: 50 parts of organic siliconresin (silicone resin), fluorine carbon emulsion (solid content 40%, fluorine content 14%) 16 Part, 1.6 parts of aqueous dispersion (Bi Ke 190), 0.3 part of aqueous defoamer (Digao 810), aqueous substrate wetting agents (Digao 280) 0.5 part, 2.5 parts of coalescing agent (alcohol ester 12), 0.8 part of aqueous levelling agent (Digao 100), thickener (hamming this 299) 0.3 Part, 1.5 parts of silane coupling agent (U.S. joins carbon KH-550), 24 parts of glass powder with low melting point, 8 parts of aluminium powder, 8 parts of talcum powder, barium sulfate 16 parts.
Preparation method: with embodiment 1.
Embodiment 5
Proportion: 50 parts of organic siliconresin (silicone resin), fluorine carbon emulsion (solid content 40%, fluorine content 14%) 16 Part, 1.6 parts of aqueous dispersion (Bi Ke 190), 0.3 part of aqueous defoamer (Digao 810), aqueous substrate wetting agents (Digao 280) 0.5 part, 2.5 parts of coalescing agent (alcohol ester 12), 0.8 part of aqueous levelling agent (Digao 100), thickener (hamming this 299) 0.3 Part, 1.5 parts of silane coupling agent (U.S. joins carbon KH-550), 32 parts of glass powder with low melting point, 4 parts of aluminium powder, 8 parts of talcum powder, barium sulfate 16 parts.
Preparation method: with embodiment 1.
Testing result
It is detected according to high-temperature resistant coating of the Testing index to embodiment 1-5, obtains that the results are shown in Table 1:
As can be seen from Table 1, the dosage of each component in embodiment 1 is most preferably arranged in pairs or groups, the coating high temperature resistance and machine of acquisition Tool is had excellent performance；Embodiment 2 adjusts the ratio of organic siliconresin and fluorocarbon resin, and the shock resistance of coating and adhesive force are by shadow It rings, fall off cracking after high-temperature baking；The dosage of silane coupling agent is reduced in embodiment 3, adhesive force is significantly affected, because of silicon Alkane coupling agent can be used as skeleton connection coating in resin, filler and substrate steel sheet, improve film at high temperature with substrate Adhesive force；The dosage of glass micro mist is reduced in embodiment 4, impact strength is influenced on a small quantity, because glass micro mist is reaching Melted after certain temperature, substitution organic siliconresin play the role of binder at high temperature, thus by inorganic filler with have Machine silicone resin is bonded together, so that coating is fine and close；The dosage of aluminium powder is reduced in embodiment 5, performance has little influence on.
Although by reference to and combine preferred embodiment mode to the present invention have been described in detail, the present invention is not It is limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to reality of the invention Apply example and carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/it is any ripe It knows those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, should all cover Within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. a kind of aqueous high-temperature-resistant coating composition, which is characterized in that including following components by weight: organic siliconresin 30-50 parts, 10-20 parts of fluorine carbon emulsion, 0.5-2 parts of aqueous dispersion, 0.1-0.3 parts of aqueous defoamer, aqueous substrate wetting agents 0.2-0.6 parts, 1-4 parts of coalescing agent, 0.2-0.8 parts of aqueous levelling agent, 0.1-0.3 parts of thickener, silane coupling agent 0.5-1.5 Part, 40-70 parts of high temperature resistant pigments and fillers.
2. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that the organic siliconresin is silicone Resin, mass fraction of solids 50%.
3. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that the solid content of the fluorine carbon emulsion For 40-50%, fluorine content is 10-14% in the fluorine carbon emulsion.
4. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that aqueous dispersion is Bi Ke 190 Or Digao 760W；Preferably, aqueous defoamer is Digao 810 or Digao 825.
5. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that coalescing agent is alcohol ester 12； Preferably, aqueous levelling agent is Digao 100 or Bi Ke 333.
6. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that silane coupling agent is that the U.S. joins carbon KH-550。
7. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that thickener be hamming this 299 or This 105A of hamming.
8. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that aqueous substrate wetting agents are Digao 280 or Bi Ke 346.
9. aqueous high-temperature-resistant coating composition according to claim 1, which is characterized in that high temperature resistant pigments and fillers include: low Melting glass frit, aluminium powder, talcum powder, barium sulfate, wherein glass powder with low melting point, aluminium powder, talcum powder, barium sulfate weight ratio close System is glass powder with low melting point: aluminium powder: talcum powder: barium sulfate=4:1:1:2.
10. the preparation method of the aqueous high-temperature-resistant coating composition as described in claim 1-9 any claim 7, including with Lower step:
1) raw material is weighed according to said ratio, organic siliconresin and fluorine carbon emulsion is put into blender, mixing speed 400- Then aqueous dispersion and aqueous defoamer is added in 600r/min, adjustment mixing speed is 700-900r/min, stirs 10-30 Minute；
2) adjustment mixing speed is 900-1200r/min, and high temperature resistant pigments and fillers and water are added in whipping process, is kept for 1200 turns Fast r/min stirs 20min, then grinds, until filtering behind fineness≤30 μm, obtains slurries；
3) in the slurries for obtaining step 2, aqueous substrate wetting agents, coalescing agent, aqueous levelling agent, silane coupled are sequentially added Agent, and continue to stir 5-10min under 700-900r/min revolving speed；Then thickener is added, adjustment viscosity to 80-90ku, Aqueous high-temperature-resistant coating is obtained after mixing evenly.
CN201910413192.1A 2019-05-17 2019-05-17 A kind of aqueous high-temperature-resistant coating composition and preparation method thereof Withdrawn CN110128939A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113789120A (en) * 2021-09-27 2021-12-14 厦门双瑞船舶涂料有限公司 Shock-cooling-resistant anti-cracking organic-inorganic composite high-temperature-resistant coating and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885678A (en) * 2016-05-19 2016-08-24 李金平 Organic silicon high-temperature resistant coating
CN107987720A (en) * 2017-11-02 2018-05-04 广东华材实业股份有限公司 A kind of high temperature resistant anti-corrosive organic coatings and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105885678A (en) * 2016-05-19 2016-08-24 李金平 Organic silicon high-temperature resistant coating
CN107987720A (en) * 2017-11-02 2018-05-04 广东华材实业股份有限公司 A kind of high temperature resistant anti-corrosive organic coatings and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113789120A (en) * 2021-09-27 2021-12-14 厦门双瑞船舶涂料有限公司 Shock-cooling-resistant anti-cracking organic-inorganic composite high-temperature-resistant coating and preparation method thereof
CN113789120B (en) * 2021-09-27 2022-12-20 厦门双瑞船舶涂料有限公司 Shock-cooling-resistant anti-cracking organic-inorganic composite high-temperature-resistant coating and preparation method thereof

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