CN107353722A - Metal surface modification coating and method of modifying - Google Patents

Metal surface modification coating and method of modifying Download PDF

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Publication number
CN107353722A
CN107353722A CN201710660873.9A CN201710660873A CN107353722A CN 107353722 A CN107353722 A CN 107353722A CN 201710660873 A CN201710660873 A CN 201710660873A CN 107353722 A CN107353722 A CN 107353722A
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Prior art keywords
parts
water
metal surface
surface modification
resin
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CN201710660873.9A
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Chinese (zh)
Inventor
孙陆逸
张冬桥
俞冬辉
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Taicang Red Tide New Mstar Technology Ltd
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Taicang Red Tide New Mstar Technology Ltd
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Priority to CN201710660873.9A priority Critical patent/CN107353722A/en
Publication of CN107353722A publication Critical patent/CN107353722A/en
Withdrawn legal-status Critical Current

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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
    • C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
    • 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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • 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
    • C09D5/02—Emulsion paints including aerosols
    • C09D5/024—Emulsion paints including aerosols characterised by the additives
    • 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
    • C09D5/02—Emulsion paints including aerosols
    • C09D5/024—Emulsion paints including aerosols characterised by the additives
    • C09D5/028—Pigments; Filters
    • 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
    • C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
    • C09D5/1637—Macromolecular compounds
    • 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
    • C09D5/1668—Vinyl-type polymers
    • 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
    • C09D5/1675—Polyorganosiloxane-containing compositions
    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The present invention relates to a kind of metal surface modification coating, including 15 parts of water-soluble organic inorganic hybridization resin, 15 parts of water-compatible amino resin, 5 10 parts of metal alkoxide, 1 10 parts of nano-particle, 1 10 parts of alcohol, 60 91 parts of water.Present invention also offers a kind of method of metal surface modification, comprise the following steps：Water-soluble 15 parts of organic inorganic hybridization resin, 15 parts of water-compatible amino resin, 5 10 parts of metal alkoxide, 1 10 parts of nano-particle, 1 10 parts of alcohol, 60 91 parts of water are stirred and evenly mixed, obtain organo-mineral complexing nano paint；Organic fluoride class resin is added into organo-mineral complexing nano paint, obtains spray coating liquor；Spray coating liquor is sprayed into metal surface, the low-temperature bake at 100 120 DEG C, to form transparent anti-corrosion film.Paint preparation technology of the present invention is simple, and method of modifying is simple, and to base material not damaged, chemical stability, environment durability are preferable, is adapted to large-scale production.

Description

Metal surface modification coating and method of modifying
Technical field
The present invention relates to paint field, more particularly to a kind of metal surface modification coating and method of modifying.
Background technology
With the development of material preparation technology, the application field of metal material is more extensive, including building, highway, In the fields such as bridge, vehicular traffic, ship ocean, Aero-Space.Metal material is a kind of common outdoor construction material, but Usually need to coat various organic protection coating (paint) on its surface to improve its antiseptic property because it easily gets rusty；In addition, Because external surface of buildings is chronically under the sun (ultraviolet) irradiation, various organic materials and organic coating layer surface often occur Aging and cause barrier propterty to decline.Moreover, contamination phenomenon of the exterior wall building material surface for a long time caused by exposure open air causes its dress Adorn hydraulic performance decline.Therefore, on the basis of building materials outward appearance is not influenceed, further improve building material surface performance (it is self-cleaning with it is weather-proof Performance) there is great application value.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of metal surface modification coating and method of modifying, The Paint preparation technology is simple, and method of modifying is simple, and to base material not damaged, chemical stability, environment durability are preferable, is adapted to rule Modelling produces.
The invention provides a kind of metal surface modification coating, including it is water-soluble organic inorganic hybridization resin 1-5 parts, water-based Amino resins 1-5 parts, metal alkoxide 5-10 parts, nano-particle 1-10 parts, alcohol 1-10 parts, water 60-91 parts.
Further, water-soluble organic inorganic hybridization resin is water-base fluorocarbon emulsion resin or the water-based siloxanes of epoxy radicals.
Further, metal alkoxide is one in silicon ethylate, titanium ethylate, aluminium ethylate, isopropyl titanate and isopropanol silicon Kind is several.
Further, nano-particle is silica and/or titanium dioxide.
Further, the particle diameter of nano-particle is 2-10nm.
Further, alcohol is the one or more in methanol, ethanol and isopropanol.
Present invention also offers a kind of method of metal surface modification, comprise the following steps：
(1) by water-soluble organic inorganic hybridization resin 1-5 parts, water-compatible amino resin 1-5 parts, metal alkoxide 5-10 parts, receive Rice corpuscles 1-10 parts, alcohol 1-10 parts, water 60-91 parts stir and evenly mix, and obtain organo-mineral complexing nano paint；
(2) organic fluoride class resin is added into organo-mineral complexing nano paint, obtains spray coating liquor；
(3) spray coating liquor is sprayed into metal surface, the low-temperature bake at 100-120 DEG C, to form anti-corrosion film.
Further, in step (1), water-soluble organic inorganic hybridization resin is water-base fluorocarbon emulsion resin or epoxy radicals Water-based siloxanes.
Further, in step (1), metal alkoxide is silicon ethylate, titanium ethylate, aluminium ethylate, isopropyl titanate and different One or more in propyl alcohol silicon.
Further, in step (1), nano-particle is silica and/or titanium dioxide.
Further, in step (1), the particle diameter of nano-particle is 2-10nm.
Further, in step (1), alcohol is the one or more in methanol, ethanol and isopropanol.
Further, in step (1), mixing speed 3000-5000r/min.
Further, in step (2), organic fluoride class resin be polyvinyl fluoride, polyvinylidene fluoride resin, fluoroolefins and One or more in the copolymer resins (FEVE) of vinyl ethers.
Further, in step (3), coating thickness is 1-2 μm.
By such scheme, the present invention at least has advantages below：
Organic inorganic hybridization resin in the metal surface modification coating of the present invention is not before substrate building materials outward appearance is influenceed Put, weatherability, the self-cleaning function of building material surface can be improved；Metal alkoxide can hydrolyze in water, and its hydrolysate can be with Bonding reaction occurs for the surface of metal base, sol pellicle is formed fine and close binder course with metallic substrate surface, makes Metal Substrate Material is completely enclosed, so as to have excellent Corrosion Protection.In modifying process, the organic fluoride class resin of addition can make colloidal sol With relatively low surface tension, good levelability is kept, is easy to spray to the metal material surface of the three-dimensional structure of complexity.This hair Bright one side dissolved each other using water-soluble organic inorganic hybridization resin and nano-particle after to improve the stability of coating, on the other hand Using the amphiphilic good combination be advantageous to metal surface of organic inorganic hybridization resin, and have and keep substrate outward appearance, resist The barrier propterty such as aging and clean surfaces.The method of the present invention is simple and easy, is widely portable to various metal surfaces, effect is good It is good.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate detailed description as after.
Embodiment
With reference to embodiment, the embodiment of the present invention is described in further detail.Following examples are used for Illustrate the present invention, but be not limited to the scope of the present invention.
Embodiment 1
A kind of metal surface modification coating, on the basis of its gross weight, include each component of following mass fraction：
Water-base fluorocarbon emulsion resin 1%, water-compatible amino resin 5%, titanium ethylate 5%, silica (2nm) 5%, ethanol 1%, water 83%.
Embodiment 2
A kind of metal surface modification coating, on the basis of its gross weight, include each component of following mass fraction：
The water-based siloxanes 1% of epoxy radicals, water-compatible amino resin 5%, silicon ethylate 5%, titanium dioxide (10nm) 5% are different Propyl alcohol 1%, water 83%.
Embodiment 3
A kind of metal surface modification coating, on the basis of its gross weight, include each component of following mass fraction：
The water-based siloxanes 2% of epoxy radicals, water-compatible amino resin 3%, aluminium ethylate 10%, titanium dioxide (8nm) 10%, isopropyl Alcohol 10%, water 65%.
Embodiment 4
A kind of metal surface modification coating, on the basis of its gross weight, include each component of following mass fraction：
The water-based siloxanes 5% of epoxy radicals, water-compatible amino resin 1%, isopropanol silicon 4%, aluminium ethylate 4%, silica (2nm) 3%, titanium dioxide (10nm) 3%, methanol 1%, ethanol 1%, water 78%.
Embodiment 5
A kind of method of metal surface modification, comprises the following steps：
(1) the metal surface modification coating in 1kg embodiments 1 is taken, stirs and evenly mixs, obtains under 5000r/min rotating speed Organo-mineral complexing nano paint；
(2) 50g polyvinyl fluorides and 50g polyvinylidene fluoride resins are added into organo-mineral complexing nano paint, is obtained Spray coating liquor；
(3) spray coating liquor is sprayed into metal surface, coating thickness is 2 μm, the low-temperature bake at 100 DEG C, to form anti-corrosion Film.
Embodiment 6
A kind of method of metal surface modification, comprises the following steps：
(1) the metal surface modification coating in 1kg embodiments 2 is taken, stirs and evenly mixs, obtains under 3000r/min rotating speed Organo-mineral complexing nano paint；
(2) 60g FEVE are added into organo-mineral complexing nano paint, obtain spray coating liquor；
(3) spray coating liquor is sprayed into metal surface, coating thickness is 1 μm, the low-temperature bake at 120 DEG C, to form anti-corrosion Film.
Embodiment 7
A kind of method of metal surface modification, comprises the following steps：
(1) the metal surface modification coating in 1kg embodiments 3 is taken, stirs and evenly mixs, obtains under 4000r/min rotating speed Organo-mineral complexing nano paint；
(2) 80g fluoroolefins is added into organo-mineral complexing nano paint, obtains spray coating liquor；
(3) spray coating liquor is sprayed into metal surface, coating thickness is 2 μm, the low-temperature bake at 120 DEG C, to form anti-corrosion Film.
Embodiment 8
A kind of method of metal surface modification, comprises the following steps：
(1) the metal surface modification coating in 1kg embodiments 4 is taken, stirs and evenly mixs, obtains under 4000r/min rotating speed Organo-mineral complexing nano paint；
(2) 30g fluoroolefins and 20g polyvinylidene fluoride resins are added into organo-mineral complexing nano paint, is sprayed Masking liquid；
(3) spray coating liquor is sprayed into metal surface, coating thickness is 2 μm, the low-temperature bake at 110 DEG C, to form anti-corrosion Film.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and Modification, these improvement and modification also should be regarded as protection scope of the present invention.

Claims (10)

  1. A kind of 1. metal surface modification coating, it is characterised in that：Including water-soluble organic inorganic hybridization resin 1-5 parts, water-based ammonia Base resin 1-5 parts, metal alkoxide 5-10 parts, nano-particle 1-10 parts, alcohol 1-10 parts, water 60-91 parts.
  2. A kind of 2. method of metal surface modification, it is characterised in that comprise the following steps：
    (1) by water-soluble organic inorganic hybridization resin 1-5 parts, water-compatible amino resin 1-5 parts, metal alkoxide 5-10 parts, nanoparticle Sub- 1-10 parts, alcohol 1-10 parts, water 60-91 parts stir and evenly mix, and obtain organo-mineral complexing nano paint；
    (2) organic fluoride class resin is added into the organo-mineral complexing nano paint, obtains spray coating liquor；
    (3) spray coating liquor is sprayed into metal surface, the low-temperature bake at 100-120 DEG C, to form anti-corrosion film.
  3. 3. the method for metal surface modification according to claim 1, it is characterised in that：In step (1), the water solubility Organic inorganic hybridization resin is water-base fluorocarbon emulsion resin or the water-based siloxanes of epoxy radicals.
  4. 4. the method for metal surface modification according to claim 1, it is characterised in that：In step (1), the metal alcohol Salt is the one or more in silicon ethylate, titanium ethylate, aluminium ethylate, isopropyl titanate and isopropanol silicon.
  5. 5. the method for metal surface modification according to claim 1, it is characterised in that：In step (1), the nanoparticle Son is silica and/or titanium dioxide.
  6. 6. the method for metal surface modification according to claim 1, it is characterised in that：In step (1), the nanoparticle The particle diameter of son is 2-10nm.
  7. 7. the method for metal surface modification according to claim 1, it is characterised in that：In step (1), the alcohol is first One or more in alcohol, ethanol and isopropanol.
  8. 8. the method for metal surface modification according to claim 1, it is characterised in that：In step (1), mixing speed is 3000-5000r/min。
  9. 9. the method for metal surface modification according to claim 1, it is characterised in that：In step (2), the Organic fluoride Resinoid is the one or more in the copolymer resins of polyvinyl fluoride, polyvinylidene fluoride resin, fluoroolefins and vinyl ethers.
  10. 10. the method for metal surface modification according to claim 1, it is characterised in that：In step (3), coating thickness For 1-2 μm.
CN201710660873.9A 2017-08-04 2017-08-04 Metal surface modification coating and method of modifying Withdrawn CN107353722A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108421682A (en) * 2018-03-17 2018-08-21 俞祖林 A kind of processing method of automobile wheel hub surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108421682A (en) * 2018-03-17 2018-08-21 俞祖林 A kind of processing method of automobile wheel hub surface

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