CN109078823A - A kind of surface anti-corrosion treatment method for corroding steel and iron parts - Google Patents
A kind of surface anti-corrosion treatment method for corroding steel and iron parts Download PDFInfo
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- CN109078823A CN109078823A CN201810803209.XA CN201810803209A CN109078823A CN 109078823 A CN109078823 A CN 109078823A CN 201810803209 A CN201810803209 A CN 201810803209A CN 109078823 A CN109078823 A CN 109078823A
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- Prior art keywords
- steel
- iron parts
- corrosive primer
- layer
- corrosion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
-
- 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
- C09D127/04—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 chlorine atoms
- C09D127/08—Homopolymers or copolymers of vinylidene chloride
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/20—Aqueous dispersion or solution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/20—Chlorinated polymers
Abstract
The present invention discloses a kind of surface anti-corrosion treatment method for corroding steel and iron parts, by coating anti-corrosive primer on the surface of corrosion steel and iron parts, anti-corrosive primer in the present invention is a kind of faintly acid polymer composite, the place of corrosion is penetrated into rapidly and fully, the oxide (iron rust) of steel is set to be converted into the organoiron compound of black, to generate one layer of compound organic matter film by chemical bond and physical bond in steel surface, the anti-corrosive primer film layer of formation is securely fine and close, adhesive force is extremely strong, and steel substrate and dielectric separates is made to be no longer influenced by erosion；Aqueous self-drying anti-decaying paint is coated on the surface of anti-corrosive primer layer again, forms heavy antisepsis layer, further completely cuts off atmospheric environment and the infiltration of corrosion steel and iron parts is corroded.
Description
Technical field
The invention belongs to metal surface protection technical fields, and in particular to a kind of surface anticorrosive processing for corroding steel and iron parts
Method.
Background technique
Tunnel, bridge, urban construction facility, freeway infrastructure, rail facility, ship, harbour port machine facility, petroleum installations,
Large area has metal structure or iron structure on the outdoor equipments such as metallurgy and chemical industry, due to for a long time under atmospheric environment by wind
Rain corrodes, even if this kind of outdoor equipment surface is iron and steel material quality, also will receive corrosion, so that equipment surface is got rusty aging, is become rusty
There is some potential safety problems in the structural member of erosion, this kind of outdoor facility is more huge when the device is in use, the structural member corroded
Also be difficult to replace, thus need to corrosion parts surface to equipment carry out preservative treatment, prevent the surface and inside of hardware
Further corroded.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of surface anti-corrosion treatment method for corroding steel and iron parts, it can
Stable protection film layer is formed to corrosion steel and iron parts, anti-corrosion protection effectively is carried out to corrosion steel and iron parts.
The technical scheme adopted by the invention to achieve the purpose is as follows:
A kind of surface anti-corrosion treatment method for corroding steel and iron parts, including following implementation steps:
(1) component of following parts by weight, polyvinylidene chloride cream the preparation of anti-corrosive primer: are sequentially added in stirring container
Liquid 60~70, tannic acid powder 5~10, bleeding agent 0.5~1, coalescing agent 7~10, defoaming agent 0.3~0.9, deionized water 10
~20, after stirring evenly dispersion, net vibration filtering is sieved with 100 mesh sieve, obtains the anti-corrosive primer.
(2) with tools such as hairbrush, round brush, spray guns, anti-corrosive primer disposably the spraying of anti-corrosive primer: is coated in corrosion steel
The surface of ironware, surface of steel workpiece generates the compound of black after 1min, after 10~20mmin inner surface forms protective film,
After spontaneously drying 3~5 hours, first layer anti-corrosive primer layer is formed.
(3) adding for anti-corrosive primer, applies: after the completion of making second step processing to corrosion steel and iron parts, it is disposable to reuse anti-corrosive primer
It is coated uniformly on the surface of first layer anticorrosive paint layer, after spontaneously drying 3~5 hours, second layer anti-corrosive primer layer is formed, places
The next step is carried out again after abundant drying in one day.
(4) aqueous self-drying anti-decaying paint sprays: with tools such as hairbrush, round brush, spray guns, applying in second layer anti-corrosive primer layer surface
Aqueous self-drying anti-decaying paint is covered, after spontaneously drying 1~2 day, that is, completes the surface anticorrosive processing of corrosion steel and iron parts.
It further illustrates, if there is the loosening more than 2mm thickness to float rust on the surface of the corrosion steel and iron parts, in (2)
Step needs first loosen floating rust removing before implementing, then carries out (2) step.
It further illustrates, the aqueous self-drying anti-decaying paint includes following weight grouping point: watersoluble modified polyurethane tree
Rouge 60~80, aqueous adhesive force resin B 2~5, cosolvent 5~10, defoaming agent 0.1~0.5, levelling agent 0.5~1, aqueous pigment
5~10, amine neutralizer 0.05~0.1, corrosion inhibiter 0.5~1, deionized water 10~20.
It further illustrates, the total acidity of the anti-corrosive primer is 35 ± 5mg/g, and viscosity is 25 ± 5s, spray treatment
Area is 10~15m2/kg。
It further illustrates, the pH value of the aqueous self-drying anti-decaying paint is 7~7.5, and viscosity is 25 ± 5s.
Compared with prior art, the beneficial effects of the present invention are:
Anti-corrosive primer is first coated on the surface of corrosion steel and iron parts, the anti-corrosive primer in the present invention is a kind of faintly acid macromolecule
Compound penetrates into rapidly and fully the place of corrosion, and the oxide (iron rust) of steel is made to be converted into the Organic Iron of black
Object is closed, to generate one layer of compound organic matter film by chemical bond and physical bond, the anti-corrosive primer film of formation in steel surface
Layer is securely fine and close, adhesive force is extremely strong, and steel substrate and dielectric separates is made to be no longer influenced by erosion；It is applied again on the surface of anti-corrosive primer layer
Aqueous self-drying anti-decaying paint is covered, heavy antisepsis layer is formed, further completely cuts off atmospheric environment and the infiltration of corrosion steel and iron parts is corroded.
Specific embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following embodiment explanation.
A kind of surface anti-corrosion treatment method for corroding steel and iron parts, is implemented by following steps:
(1) component of following parts by weight, polyvinylidene chloride cream the preparation of anti-corrosive primer: are sequentially added in stirring container
Liquid 60~70, tannic acid powder 5~10, bleeding agent 0.5~1, coalescing agent 7~10, defoaming agent 0.3~0.9, deionized water 10
~20, after stirring evenly dispersion, net vibration filtering is sieved with 100 mesh sieve, obtains the anti-corrosive primer.
(2) spraying of anti-corrosive primer:, first will be loose if there is the loosening more than 2mm thickness to float rust on the surface for corroding steel and iron parts
Dynamic floating rust is removed, and reuses the tools such as hairbrush, round brush, spray gun, anti-corrosive primer is disposably coated in the surface of corrosion steel and iron parts,
Surface of steel workpiece generates the compound of black after 1min, after 10~20mmin inner surface forms protective film, wait spontaneously dry 3
After~5 hours, first layer anti-corrosive primer layer is formed.
(3) adding for anti-corrosive primer, applies: after the completion of making second step processing to corrosion steel and iron parts, it is disposable to reuse anti-corrosive primer
It is coated uniformly on the surface of first layer anticorrosive paint layer, after spontaneously drying 3~5 hours, second layer anti-corrosive primer layer is formed, places
The next step is carried out again after abundant drying in one day.
(4) aqueous self-drying anti-decaying paint sprays: with tools such as hairbrush, round brush, spray guns, applying in second layer anti-corrosive primer layer surface
Aqueous self-drying anti-decaying paint is covered, after spontaneously drying 1~2 day, that is, completes the surface anticorrosive processing of corrosion steel and iron parts
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
The range of technical solution of the present invention.
Claims (5)
1. a kind of surface anti-corrosion treatment method for corroding steel and iron parts, which is characterized in that including following implementation steps:
(1) component of following parts by weight, polyvinylidene emulsions 60 preparation of anti-corrosive primer: are sequentially added in stirring container
~70, tannic acid powder 5~10, bleeding agent 0.5~1, coalescing agent 7~10, defoaming agent 0.3~0.9, deionized water 10~
20, after stirring evenly dispersion, net vibration filtering is sieved with 100 mesh sieve, obtains the anti-corrosive primer.
(2) with tools such as hairbrush, round brush, spray guns, anti-corrosive primer disposably the spraying of anti-corrosive primer: is coated in corrosion steel and iron parts
Surface, after 1min surface of steel workpiece generate black compound, 10~20mmin inner surface formed protective film after, to from
So after drying 3~5 hours, first layer anti-corrosive primer layer is formed.
(3) adding for anti-corrosive primer, applies: after the completion of making second step processing to corrosion steel and iron parts, it is disposably uniform to reuse anti-corrosive primer
Surface coated in first layer anticorrosive paint layer after spontaneously drying 3~5 hours, forms second layer anti-corrosive primer layer, places one day
Sufficiently the next step is carried out again after drying.
(4) aqueous self-drying anti-decaying paint sprays: with tools such as hairbrush, round brush, spray guns, coating water in second layer anti-corrosive primer layer surface
Property from dry anti-decaying paint, after spontaneously drying 1~2 day, that is, complete the surface anticorrosive processing of corrosion steel and iron parts.
2. a kind of surface anti-corrosion treatment method for corroding steel and iron parts according to claim 1, it is characterised in that: the rust
If there is the loosening more than 2mm thickness to float rust on the surface for losing steel and iron parts, floating rust will first be loosened by, which needing before the implementation of (2) step, is removed,
(2) step is carried out again.
3. a kind of surface anti-corrosion treatment method for corroding steel and iron parts according to claim 1, it is characterised in that: the water
Property from dry anti-decaying paint include the grouping point of following weight: watersoluble modified polyurethane resin 60~80, aqueous adhesive force resin B 2~5,
Cosolvent 5~10, defoaming agent 0.1~0.5, levelling agent 0.5~1, aqueous pigment 5~10, amine neutralizer 0.05~0.1, inhibition
Agent 0.5~1, deionized water 10~20.
4. a kind of surface anti-corrosion treatment method for corroding steel and iron parts according to claim 1, it is characterised in that: described anti-
The total acidity of rust priming paint is 35 ± 5mg/g, and viscosity is 25 ± 5s, and spray treatment area is 10~15m2/kg。
5. a kind of surface anti-corrosion treatment method for corroding steel and iron parts according to claim 1, it is characterised in that: the water
Property from the pH value of dry anti-decaying paint be 7~7.5, viscosity is 25 ± 5s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803209.XA CN109078823A (en) | 2018-07-20 | 2018-07-20 | A kind of surface anti-corrosion treatment method for corroding steel and iron parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803209.XA CN109078823A (en) | 2018-07-20 | 2018-07-20 | A kind of surface anti-corrosion treatment method for corroding steel and iron parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109078823A true CN109078823A (en) | 2018-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803209.XA Pending CN109078823A (en) | 2018-07-20 | 2018-07-20 | A kind of surface anti-corrosion treatment method for corroding steel and iron parts |
Country Status (1)
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| CN (1) | CN109078823A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715498A (en) * | 2020-07-01 | 2020-09-29 | 中国人民解放军陆军航空兵学院陆军航空兵研究所 | Helicopter surface treatment method |
| CN112778849A (en) * | 2019-11-05 | 2021-05-11 | 宜兴汉光高新石化有限公司 | Single-component water-based rust transfer coating and preparation method thereof |
-
2018
- 2018-07-20 CN CN201810803209.XA patent/CN109078823A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778849A (en) * | 2019-11-05 | 2021-05-11 | 宜兴汉光高新石化有限公司 | Single-component water-based rust transfer coating and preparation method thereof |
| CN111715498A (en) * | 2020-07-01 | 2020-09-29 | 中国人民解放军陆军航空兵学院陆军航空兵研究所 | Helicopter surface treatment method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181225 |
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| WD01 | Invention patent application deemed withdrawn after publication |