CN107141848A - High anticorrosive nano-coating and anticorrosion process - Google Patents
High anticorrosive nano-coating and anticorrosion process Download PDFInfo
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- CN107141848A CN107141848A CN201710538669.XA CN201710538669A CN107141848A CN 107141848 A CN107141848 A CN 107141848A CN 201710538669 A CN201710538669 A CN 201710538669A CN 107141848 A CN107141848 A CN 107141848A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- 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
- B05D7/24—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 for applying particular liquids or other fluent materials
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of high anticorrosive nano-coating and anticorrosion process, the high anticorrosive nano-coating is formed using high anticorrosive nano material with other helper component organic assemblings, possess the various superior functions of high anticorrosive nano material, the characteristics of nano coating of preparation has high anti-corrosion, high abrasion, high rigidity, can significantly extend the service life of workpiece.High anticorrosive nano-coating of the present invention can be widely applied to protection and the decoration of the parts, solar absorption panels and commodity of automobile, Aero-Space and optical instrument.
Description
Technical field
The present invention relates to the surface treatment of the surface treatment of material, especially metal material and alloy, and in particular to a kind of
High anticorrosive nano-coating and anticorrosion process.
Background technology
On application technology of the nano material in coating, the U.S. is in rank first, next to that Japan, Germany etc.
Country.The U.S. had been obtained already in terms of the nano paints such as the limousine finish paint, military invisible coating, coatings of heterochromatosis
Success has simultaneously realized industrialization.In addition, the U.S. has also carried out transparent wear-resistant coating, has been packed for the nano paints such as barrier coating
Research.It is Japanese then successful and carry out industrialization in the research and development such as electrostatic screen coating, photocatalytic self-cleaning coating.German political affairs
Exploitation of the mansion to nano paint has put into substantial amounts of research funding, and the output value of nano paint adds nearly ten times in several years.Compare
For, the research China in nano paint field is scarcely out of swaddling-clothes, energetically the research and application of research and development nano paint
It is very important.
The content of the invention
In view of this, the invention provides a kind of high anticorrosive nano-coating and anticorrosion process, the coating is received using high anti-corrosion
Rice material is made, and possesses the various superior functions of high anticorrosive nano material, the spy with high corrosion prevention percentage, high abrasion and high rigidity
Point.
The technical scheme that the present invention takes is as follows：
1. high anticorrosive nano-coating, 3~4 are pressed by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA 1~1.5g/L of modified gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl three
1~1.5g/L of methoxy silane, γ-aminopropyltriethoxy 2~3g/L of diethoxy silane, γ-ethoxy of NCO propyl group three
Base silane 0.5~1g/L of modified silane, 0.5~1g/L of Nano silica sol, solvent is ethanol；
B liquid is composed of the following components：
1~2g/L of titanate coupling agent, 0.003~0.005g/L of lithium hydroxide, dimethyltin laurate 0.001~
0.005g/L, solvent is ethanol.
It is preferred that, by weight, used after diluting 2 times with absolute ethyl alcohol.
2. high anticorrosive nano-coating, 4 are pressed by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.1g/L, γ-methacryloxypropyl trimethoxy
Base silane 1.5g/L, γ-aminopropyltriethoxy diethoxy silane 2.4g/L, γ-NCO propyl-triethoxysilicane change
Property silane 0.8g/L, Nano silica sol 0.7g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 1.6g/L, lithium hydroxide 0.003g/L, dimethyltin laurate 0.002g/L, solvent is second
Alcohol.
It is preferred that, by weight, used after diluting 2 times with absolute ethyl alcohol.
3. high anticorrosive nano-coating, 3.5 are pressed by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.5g/L, γ-methacryloxypropyl trimethoxy
Base silane 1g/L, γ-aminopropyltriethoxy diethoxy silane 3g/L, γ-NCO propyl-triethoxysilicane modified silicon
Alkane 0.5g/L, Nano silica sol 0.8g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 1g/L, lithium hydroxide 0.005g/L, dimethyltin laurate 0.005g/L, solvent is ethanol.
It is preferred that, by weight, used after diluting 2 times with absolute ethyl alcohol.
4. high anticorrosive nano-coating, 3 are pressed by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.2g/L, γ-methacryloxypropyl trimethoxy
Base silane 1.4g/L, γ-aminopropyltriethoxy diethoxy silane 2g/L, γ-NCO propyl-triethoxysilicane are modified
Silane 1g/L, Nano silica sol 0.5g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 2g/L, lithium hydroxide 0.003g/L, dimethyltin laurate 0.001g/L, solvent is ethanol.
It is preferred that, by weight, used after diluting 2 times with absolute ethyl alcohol.
5. a kind of anticorrosion process, successively including oil removing, pickling, Passivation Treatment, aluminum coated steel, film-forming process step,
Wherein, aluminum coated steel process includes：
By high anticorrosive nano-coating of the present invention using spraying or dip coating manner construction, spray gun pressure 0.3 during spraying~
0.5Mpa, 0.8~1.2mm of spray tip bore；
Film-forming processing procedure includes：
Toasted after normal temperature cure, baking condition is 80~120 DEG C of 20~30min of baking, baking finishes rear natural cooling.
It is preferred that,
The deoiling step is to carry out oil removing, 70 DEG C of operation temperature, processing time using the agent of LD-1146 electrochemical deoilings
15min；
The acid pickling step is use quality fraction 25-30% hydrochloric acid solution pickling 1min；
The Passivation Treatment is to be passivated using inactivating treatment liquid, and aluminum coated steel is carried out after drying.
High anticorrosive nano-coating is that the nano inorganic material generated using alkoxide in sol-gel process is overlay film material
Material, is prepared by additive of anti-corrosion auxiliary agent.Its application and construction can be realized according to conventional coating techniques.Parts are by overlay film
There is good corrosion resistance after reason, can significantly extend the service life of workpiece.To aluminium and aluminium alloy, copper and its alloy film covered place
Reason, can dramatically increase salt spray resistance, more than 5 times be improved to aluminium and aluminium alloy aluminum coated steel its corrosion resistance, to copper and copper alloy
Its corrosion resistance of aluminum coated steel improves more than 3 times, and corrosion resistance can be also increased substantially to coating aluminum coated steel.It can be widely applied to vapour
Car, the parts of Aero-Space and optical instrument, protection and the decoration of solar absorption panels and commodity.
Using the beneficial effects of the present invention are：
High anticorrosive nano-coating of the present invention is made of high anticorrosive nano material, possesses each of high anticorrosive nano material
Superior function is planted, the characteristics of nano coating of preparation has high anti-corrosion, high abrasion, high rigidity can significantly extend the use of workpiece
Life-span.High anticorrosive nano-coating of the present invention can be widely applied to the parts of automobile, Aero-Space and optical instrument, the sun
Protection and the decoration of energy baffle and commodity.
Embodiment
The agent of LD-1146 electrochemical deoilings is purchased from Chongqing Li Dao companies.
Embodiment 1
High anticorrosive nano-coating, A is pressed by A liquid and B liquid：B=4:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.1g/L, γ-methacryloxypropyl trimethoxy
Base silane 1.5g/L, γ-aminopropyltriethoxy diethoxy silane 2.4g/L, γ-NCO propyl-triethoxysilicane change
Property silane 0.8g/L, Nano silica sol 0.7g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 1.6g/L, lithium hydroxide 0.003g/L, dimethyltin laurate 0.002g/L, solvent is second
Alcohol.
Preservative treatment is carried out to workpiece using above-mentioned high anticorrosive nano-coating, processing step includes：
(1) electrochemical deoiling：Workpiece, 70 DEG C of operation temperature, processing time 15min are handled using LD-1146 degreasers；
(2) pickling：Workpiece after oil removing is carried out acid-wash activation, pickling by use quality fraction 25-30% hydrochloric acid solution
Time 1min；
(3) Passivation Treatment：Workpiece after pickling is passivated processing, dried for standby using inactivating treatment liquid；
(4) aluminum coated steel：High anticorrosive nano-coating mixed liquor is diluted into 2 times (by weight), stirring using absolute ethyl alcohol
Uniformly, spraying application (non-volatile content 3.0 ± 0.2% in coating), operation temperature room temperature, spray gun pressure after froth breaking are stood
0.3~0.5Mpa, 0.8~1.2mm of spray tip bore；
(5) film-forming is handled：Toasted after normal temperature cure, 80~120 DEG C of baking condition toasts 20~30min, naturally cold
But.
Embodiment 2
High anticorrosive nano-coating, 3.5 are pressed by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.5g/L, γ-methacryloxypropyl trimethoxy
Base silane 1g/L, γ-aminopropyltriethoxy diethoxy silane 3g/L, γ-NCO propyl-triethoxysilicane modified silicon
Alkane 0.5g/L, Nano silica sol 0.8g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 1g/L, lithium hydroxide 0.005g/L, dimethyltin laurate 0.005g/L, solvent is ethanol.
Preservative treatment is carried out to workpiece using above-mentioned high anticorrosive nano-coating, processing step includes：
(1) electrochemical deoiling：Workpiece, 70 DEG C of operation temperature, processing time 15min are handled using LD-1146 degreasers；
(2) pickling：Workpiece after oil removing is carried out acid-wash activation, pickling by use quality fraction 25-30% hydrochloric acid solution
Time 1min；
(3) Passivation Treatment：Workpiece after pickling is passivated processing, dried for standby using inactivating treatment liquid；
(4) aluminum coated steel：High anticorrosive nano-coating mixed liquor is diluted into 2 times (by weight), stirring using absolute ethyl alcohol
Uniformly, spraying application (non-volatile content 3.0 ± 0.2% in coating), operation temperature room temperature, spray gun pressure after froth breaking are stood
0.3~0.5Mpa, 0.8~1.2mm of spray tip bore；
(5) film-forming is handled：Toasted after normal temperature cure, 80~120 DEG C of baking condition toasts 20~30min, naturally cold
But.
Embodiment 3
High anticorrosive nano-coating, 3 are pressed by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.2g/L, γ-methacryloxypropyl trimethoxy
Base silane 1.4g/L, γ-aminopropyltriethoxy diethoxy silane 2g/L, γ-NCO propyl-triethoxysilicane are modified
Silane 1g/L, Nano silica sol 0.5g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 2g/L, lithium hydroxide 0.003g/L, dimethyltin laurate 0.001g/L, solvent is ethanol.
Preservative treatment is carried out to workpiece using above-mentioned high anticorrosive nano-coating, processing step includes：
(1) electrochemical deoiling：Workpiece, 70 DEG C of operation temperature, processing time 15min are handled using LD-1146 degreasers；
(2) pickling：Workpiece after oil removing is carried out acid-wash activation, pickling by use quality fraction 25-30% hydrochloric acid solution
Time 1min；
(3) Passivation Treatment：Workpiece after pickling is passivated processing, dried for standby using inactivating treatment liquid；
(4) aluminum coated steel：High anticorrosive nano-coating is diluted into 2 times (by weight) using absolute ethyl alcohol, stirred, it is quiet
Put spraying application after froth breaking (non-volatile content 3.0 ± 0.2% in coating), operation temperature room temperature, spray gun pressure 0.3~
0.5Mpa, 0.8~1.2mm of spray tip bore；
(5) film-forming is handled：Toasted after normal temperature cure, 80~120 DEG C of baking condition toasts 20~30min, naturally cold
But.
Contrast experiment
The HK nanometers protective coating of purchase is subjected to preservative treatment, experimental result using preservative treatment step of the present invention
Such as following table：
Examine execution standard：
The determination method of GB6751 paint and varnish volatile matter and nonvolatile matter
GB/T1732 paint film impact resistance determination methods
The measure of the resistance to neutral salt spray performance of GB/T1771 paint and varnish
GB1763 paint film chemical reagent resistance determination methods
GB/T6739 hardness of paint film pencil determination methods
The cross cut test of GB/T9286 paint and varnish paint films
GB/T23989-2009 coating solvent resistant wiping determination methods (A methods)
As can be seen from the test results, the performance of high anticorrosive nano-coating of the present invention is received better than the HK that in the market is sold fast
Rice protective coating, particularly hardness, acid resistance, solvent resistance and salt spray resistance (anti-corrosive properties) are preferable.In addition, of the invention
The coating avoids the use of poisonous and harmful organic solvent during preparation and use, so as to reduce the dirt to environment
Dye.The high anticorrosive nano-coating is widely used in the parts, solar absorption panels and day of automobile, Aero-Space and optical instrument
The protection of articles for use and decoration.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
Be not intended to be limited to the embodiments shown herein, comparative example, but including meet principles disclosed herein and
The consistent most wide scope of features of novelty.
Claims (10)
1. high anticorrosive nano-coating, it is characterised in that press 3~4 by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA 1~1.5g/L of modified gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl trimethoxy
1~1.5g/L of base silane, γ-aminopropyltriethoxy 2~3g/L of diethoxy silane, γ-NCO propyl-triethoxysilicane
Alkane 0.5~1g/L of modified silane, 0.5~1g/L of Nano silica sol, solvent is ethanol；
B liquid is composed of the following components：
1~2g/L of titanate coupling agent, 0.003~0.005g/L of lithium hydroxide, 0.001~0.005g/ of dimethyltin laurate
L, solvent is ethanol.
2. high anticorrosive nano-coating according to claim 1, it is characterised in that by weight, 1 is diluted with absolute ethyl alcohol
Used after~4 times.
3. high anticorrosive nano-coating, it is characterised in that press 4 by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.1g/L, γ-methacryloxypropyl trimethoxy silicon
Alkane 1.5g/L, γ-aminopropyltriethoxy diethoxy silane 2.4g/L, γ-NCO propyl-triethoxysilicane modified silicon
Alkane 0.8g/L, Nano silica sol 0.7g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 1.6g/L, lithium hydroxide 0.003g/L, dimethyltin laurate 0.002g/L, solvent is ethanol.
4. high anticorrosive nano-coating according to claim 3, it is characterised in that by weight, 2 are diluted with absolute ethyl alcohol
Used after times.
5. high anticorrosive nano-coating, it is characterised in that press 3.5 by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.5g/L, γ-methacryloxypropyl trimethoxy silicon
Alkane 1g/L, γ-aminopropyltriethoxy diethoxy silane 3g/L, γ-NCO propyl-triethoxysilicane modified silane
0.5g/L, Nano silica sol 0.8g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 1g/L, lithium hydroxide 0.005g/L, dimethyltin laurate 0.005g/L, solvent is ethanol.
6. high anticorrosive nano-coating according to claim 5, it is characterised in that by weight, 2 are diluted with absolute ethyl alcohol
Used after times.
7. high anticorrosive nano-coating, it is characterised in that press 3 by A liquid and B liquid:1 weight ratio is mixed；Wherein,
A liquid is composed of the following components：
BTA modified gamma-aminopropyl-triethoxy-silane 1.2g/L, γ-methacryloxypropyl trimethoxy silicon
Alkane 1.4g/L, γ-aminopropyltriethoxy diethoxy silane 2g/L, γ-NCO propyl-triethoxysilicane modified silane
1g/L, Nano silica sol 0.5g/L, solvent is ethanol；
B liquid is composed of the following components：
Titanate coupling agent 2g/L, lithium hydroxide 0.003g/L, dimethyltin laurate 0.001g/L, solvent is ethanol.
8. high anticorrosive nano-coating according to claim 7, it is characterised in that by weight, 2 are diluted with absolute ethyl alcohol
Used after times.
9. a kind of anticorrosion process, it is characterised in that successively including oil removing, pickling, Passivation Treatment, aluminum coated steel, film-forming at
Step is managed, wherein, aluminum coated steel process includes：
By any one of the claim 1~8 high anticorrosive nano-coating using spraying or dip coating manner construction, spray gun pressure during spraying
0.3~0.5Mpa of power, 0.8~1.2mm of spray tip bore；
Film-forming processing procedure includes：
Toasted after normal temperature cure, baking condition is 80~120 DEG C of 20~30min of baking, baking finishes rear natural cooling.
10. a kind of anticorrosion process according to claim 9, it is characterised in that
The deoiling step is to carry out oil removing, 70 DEG C of operation temperature, processing time 15min using the agent of LD-1146 electrochemical deoilings；
The acid pickling step is use quality fraction 25-30% hydrochloric acid solution pickling 1min；
The Passivation Treatment is to be passivated using inactivating treatment liquid, and aluminum coated steel is carried out after drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710538669.XA CN107141848A (en) | 2017-07-04 | 2017-07-04 | High anticorrosive nano-coating and anticorrosion process |
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| CN201710538669.XA CN107141848A (en) | 2017-07-04 | 2017-07-04 | High anticorrosive nano-coating and anticorrosion process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111115854A (en) * | 2018-10-30 | 2020-05-08 | 芜湖美的厨卫电器制造有限公司 | Scale inhibitor coated mesoporous microsphere, preparation method thereof, water heater and liner |
| CN112111223A (en) * | 2020-09-18 | 2020-12-22 | 重庆立道新材料科技有限公司 | Aqueous high-corrosion-resistance nano film-coating protective agent |
| CN113755829A (en) * | 2021-08-16 | 2021-12-07 | 深圳市志凌伟业光电有限公司 | Blackening-treated copper film surface anticorrosion protective liquid medicine |
| CN113862743A (en) * | 2021-09-23 | 2021-12-31 | 重庆铁马工业集团有限公司 | Surface treatment method for threaded fastener |
| CN113862741A (en) * | 2021-09-23 | 2021-12-31 | 重庆铁马工业集团有限公司 | Treatment method for improving corrosion resistance of zinc-nickel alloy coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115854A (en) * | 2018-10-30 | 2020-05-08 | 芜湖美的厨卫电器制造有限公司 | Scale inhibitor coated mesoporous microsphere, preparation method thereof, water heater and liner |
| CN112111223A (en) * | 2020-09-18 | 2020-12-22 | 重庆立道新材料科技有限公司 | Aqueous high-corrosion-resistance nano film-coating protective agent |
| CN113755829A (en) * | 2021-08-16 | 2021-12-07 | 深圳市志凌伟业光电有限公司 | Blackening-treated copper film surface anticorrosion protective liquid medicine |
| CN113755829B (en) * | 2021-08-16 | 2024-05-07 | 深圳市志凌伟业技术股份有限公司 | Blackening-treated copper film surface anti-corrosion protection liquid medicine |
| CN113862743A (en) * | 2021-09-23 | 2021-12-31 | 重庆铁马工业集团有限公司 | Surface treatment method for threaded fastener |
| CN113862741A (en) * | 2021-09-23 | 2021-12-31 | 重庆铁马工业集团有限公司 | Treatment method for improving corrosion resistance of zinc-nickel alloy coating |
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Application publication date: 20170908 |