WO2012058839A1

WO2012058839A1 - Water-soluble coating for anti-corrosion treatment of oceanic climate-resisting engineering parts and preparing method thereof

Info

Publication number: WO2012058839A1
Application number: PCT/CN2010/079676
Authority: WO
Inventors: 冯立新; 张敏燕; 缪强
Original assignee: 江苏麟龙新材料股份有限公司
Priority date: 2010-11-04
Filing date: 2010-12-10
Publication date: 2012-05-10
Also published as: CN102181180B; CN102181190A; CN102127327B; CN102199370A; CN102002271B; CN102181188B; CN102051078A; CN102167917B; CN102181189A; CN102051079A; CN102010625B; CN102051078B; CN102010624B; CN102051076B; CN102181183A; CN102181188A; CN102181186B; CN102010625A; CN102051080A; CN102086313B

Abstract

A coating for anti-corrosion treatment of oceanic climate-resisting engineering parts and preparing method thereof are provided. The coating comprises aluminum-zinc-silicon alloy powder, organic solvent, nano-oxide particles reinforcing agent, deionized water, binder, corrosion inhibitor, dispersant and thickener, wherein the aluminum-zinc-silicon alloy powder: organic solvent: nano-oxide particles reinforcing agent: deionized water: binder: corrosion inhibitor: dispersant: thickener= 30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, and the aluminum-zinc-silicon alloy powder comprises elements Al, Zn, Si, etc.

Description

TECHNICAL FIELD The present invention relates to a water-soluble aluminum-zinc-silicon coating for anti-corrosion treatment of marine weather resistant engineering parts and a preparation method thereof. BACKGROUND OF THE INVENTION Engineering and equipment in offshore and marine environments are characterized by heavy rain, high temperature, salty fog and strong wind flow. The service conditions are generally in accordance with ISO 9225 environmental assessment standard > C5, which is an extremely harsh environment. Exposed parts will be subjected to strong atmospheric corrosion, electrochemical corrosion and airflow erosion. The service life of various steel structures is much lower than that of general inland outdoor environments. For example, wind power installations in marine climatic conditions use conventional components such as the engine room, hood, tower, blade root flange gaskets, connecting bolts, connecting springs, etc., directly exposed to extreme corrosive atmospheres. Protective measures often cause severe corrosion in only a few months. Therefore, providing new materials and new processes for surface treatment of wind power external components with durability of 15 years has become an urgent need for the development of the wind power industry. In addition, the corrosion protection of ship steel components is also a long-standing problem. In addition to the shell and the deck, the corrosion protection and maintenance costs of various masts and antennas are very alarming. With the acceleration of infrastructure construction projects in the country, several cross-sea bridges have been started or set up, such as the Hong Kong-Australia-Pearl Bridge. In the design and construction of bridges, the importance of corrosion protection of steel components of various bridges has become increasingly prominent. For example, in the construction of the Hangzhou Bay Bridge, the surface protection treatment will be over 100 million yuan. Therefore, there is an urgent need to solve the problem of anti-corrosion treatment of engineering parts resistant to marine climate. In the prior art, hot-plating Al-Zn-Si series alloy coating on the surface of engineering parts is an effective way to solve the marine weathering resistance, and has obtained a large number of engineering applications. As the applicant's first application number is 2009102627168, and the invention name is "a method for anti-corrosion treatment of marine weather resistant engineering parts", the cast aluminum alloy is used for anti-corrosion treatment, and the service life can be up to 20 years. However, in the invention, the hot-dip alloy coating has a high process temperature (greater than 800 ° C), which is easy to cause deformation of the part; insufficient wear resistance and anti-erosion ability; complicated process and equipment, large-area workpiece processing and field treatment There are still limitations such as restricted operations, so there are still significant limitations in the application. In addition, metal surface anti-corrosion treatment technologies developed in the 1970s, such as the common sheet-like zinc-based chromium salt protective coating, have also been used to treat corrosion protection of offshore engineering components. However, this coating contains hexavalent chromium and is contaminated. And because of the need for passivation and bonding, 5%-10% of chromic anhydride is generally added, and Cr6+ is highly toxic and carcinogenic, and thus has serious harm to the environment and the human body. In addition, the coating has a curing temperature of up to 300 ° C, a curing time of about 30 minutes, and high energy consumption; low hardness and poor wear resistance. Workpieces are often subject to transportation, assembly, and use To scratches and scratches, affecting the appearance and corrosion resistance of the product. SUMMARY OF THE INVENTION In view of these problems in the prior art, the present invention provides an aluminum-zinc-silicon coating which is environmentally friendly, water-soluble, low-temperature curing, marine weathering corrosion, and a preparation method thereof. The invention provides a coating for anti-corrosion treatment of marine weather engineering parts, wherein the coating comprises aluminum zinc silicon alloy powder, organic solvent, nano oxide particle reinforcing agent, deionized water, binder, corrosion inhibitor, A dispersant and a thickener, wherein the coating formulation has the following ratio: aluminum zinc silicon alloy powder: organic solvent: nano oxide particle enhancer: deionized water: binder: corrosion inhibitor: dispersant: thickening Agent=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, wherein the aluminum zinc silicon alloy powder It is composed of Al, Zn, and Si. The invention provides another coating for anti-corrosion treatment of marine weather engineering parts, wherein the coating comprises aluminum zinc silicon alloy powder, organic solvent, nano oxide particle reinforcing agent, deionized water, binder, corrosion inhibitor , a dispersant and a thickener, wherein the coating formulation has the following ratio: aluminum zinc silicon alloy powder: organic solvent: nano oxide particle enhancer: deionized water: binder: corrosion inhibitor: dispersant: increase Thickener=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, wherein the aluminum zinc silicon alloy The powder comprises three basic elements of Al, Zn and Si, and further comprises one or more elements selected from the group consisting of magnesium, rare earth, titanium, nickel and manganese. Among them, the organic solvent is preferably ethylene glycol. Wherein the binder is preferably a borate coupling agent. Among them, the corrosion inhibitor is preferably boric acid. Among them, the thickener is preferably hydroxyethyl cellulose. Among them, the dispersing agent is preferably polysiloxane dipropylene glycol monomethyl ether. Preferably, wherein the nano-oxide particle reinforcing agent is selected from one or both of A1 ₂ O ₃ and Si0 ₂ . More preferably, the average particle diameter of the A1 ₂ 0 ₃ is 15 to 60 nm, and the average particle diameter of the SiO ₂ is 25 to 70 nm. More preferably, wherein the nano oxide particle reinforcing agent is Si0 ₂ and A1 ₂ 0 ₃ , and the mass ratio of Si0 ₂ and A1 ₂ 0 ₃ is 1: (1 to 3). Preferably, the aluminum zinc silicon alloy powder has an average diameter of 10 to 200 m. Preferably, wherein the mass percentage of Ζη in the aluminum zinc silicon alloy powder is: 35 to 58%. Preferably, wherein the mass percentage of Si in the aluminum zinc silicon alloy powder is 0.3 to 4.0%. Preferably, wherein the mass percentage of Mg in the aluminum zinc silicon alloy powder is 0.1 to 5.0%. Preferably, wherein the mass percentage of RE in the aluminum zinc silicon alloy powder is: 0.02 to 1.0%. Preferably, wherein the mass percentage of Ti in the aluminum zinc silicon alloy powder is 0.01 to 0.5%. Preferably, wherein the mass percentage of Ni in the aluminum zinc silicon alloy powder is 0.1 to 3.0%. Preferably, wherein the mass percentage of Mn in the aluminum zinc silicon alloy powder is 0.01 to 1.0%. Preferably, the balance of each component of the aluminum zinc silicon alloy powder is A1 and unavoidable impurities. In another aspect, the present invention provides a method for preparing a coating for anti-corrosion treatment of marine weather resistant engineering parts, wherein according to the above formula, a quantitative corrosion inhibitor is weighed, dissolved in a quantitative amount of deionized water, and then bonded. Agent, dispersant, organic solvent, stir to dissolve, slowly add aluminum-zinc-silicon alloy powder and nano-oxide particle enhancer under stirring, then add thickener, control the temperature of the oil bath during the stirring process is 20-30 °C, stirring 0.5-lh. The coating provided by the present invention, for the first time, optimizes the water-soluble, chrome-free, low-temperature curing and marine weather-resistant Al-Zn-Si alloy coating by optimizing the composition and the like. The coating is environmentally friendly, stable, and low in energy consumption for coating preparation. The water-soluble aluminum-zinc-silicon coating provided by the invention breaks through the constraint that the aluminum-zinc-silicon coating is mainly prepared by the hot-dip method. Compared with the hot-dip plating process, the present invention can form a metal coating by adding a binder, a dispersing agent, an organic solvent, etc., and can form a coating on the surface of the workpiece by spraying, brushing, etc., the coating preparation process temperature of the present invention. Low (200 ° C), overcomes the technical problems of workpiece deformation and mechanical properties caused by high temperature of hot-dip alloy coating (more than 600 ° C); coating can be formed on the surface of the workpiece by spraying, brushing, etc. The process method and equipment are simple, suitable for large and complex parts processing, and broaden the application range of the coating. The engineering parts using the coating of the present invention for corrosion protection have many excellent properties, such as: excellent corrosion resistance, excellent erosion resistance, and high heat corrosion resistance, and the coating is placed under high temperature conditions for a long time. , its appearance will not change. The coating prepared by the invention has strong binding force to the substrate, excellent corrosion resistance, good wear resistance and long service life. In addition, the coating not only has strong adhesion to the metal substrate, but also has good adhesion with other various additional coatings, not only beautiful matt silver gray, but also can be additionally coated into various colors. It makes up for the shortcomings of low hardness in the prior art. Further, by making the aluminum-zinc-silicon alloy into a micron-sized powder, the corrosion resistance, wear resistance and erosion resistance of the coating are greatly improved compared with the hot-dip aluminum-zinc-silicon coating and the zinc-aluminum coating. Suitable for atmospheric rain, high temperature, salty fog and strong wind The marine corrosive environment such as flow provides a comprehensive corrosion resistance protection method for important engineering components such as wind power and ships. In summary, the coating for anti-corrosion treatment of marine weather engineering parts developed by the invention and the preparation method thereof solve the urgent need of marine corrosion of engineering parts, and are important in the corrosion engineering of marine engineering and offshore wind power and other industrial equipments. Application prospects.

detailed description

The invention provides a water-soluble aluminum zinc silicon coating for anti-corrosion treatment of marine weather engineering parts, wherein the coating comprises aluminum zinc silicon alloy powder, organic solvent, nano oxide particle reinforcing agent, deionized water, binder, Corrosion inhibitors, dispersants and thickeners.

In the following, some preferred embodiments of the formulation ratio of the coating of the present invention are given in conjunction with Table 1, but the content of each component of the present invention is not limited to the values listed in the table, and is completely complete to those skilled in the art. Reasonable summarization and reasoning can be made based on the range of values listed in the table.

Coating formulation ratio

Hereinafter, some preferred examples of the mass percentage of each component of the aluminum zinc silicon alloy powder of the present invention are given in conjunction with Table 2-33, but the content of each component of the aluminum zinc silicon alloy powder of the present invention is not limited to the values listed in the table. And it should be specially noted that although the mass percentage values of the relevant components are listed in Table 2-33, these are not described as essential technical features, but are only more preferable conditions, and are for more detailed The technical information about the present invention is given, and is not described as a necessary condition of the present invention.

Table 2: Al-Zn-Si alloy powder consists of Al, Zn, Si, mass percentage content of each component (%)

\元

A1 Zn Si sequence\

number

1 balance 35 4.0

2 balance 36 3.9

3 balance 37 3.8

4 balance 39 3.6

5 balance 41 3.2

6 balance 43 2.8

7 balance 45 2.5

8 balance 47 2.2

9 balance 49 1.8

10 balance 51 1.5

11 balance 53 1.0

12 balance 55 0.8

13 balance 56 0.5

14 balance 57 0.4

15 balance 58 0.3 Table 3: Aluminum-zinc-silicon alloy powder consists of Al, Zn, Si, Mg, and the mass percentage content of each component (%)

\元

A1 Zn Si Mg sequence\

number

1 balance 35 4.0 0.1

2 balance 36 3.9 0.3

3 balance 37 3.8 0.5

4 balance 39 3.6 0.8

5 balance 41 3.2 1.0

6 balance 43 2.8 1.3

7 balance 45 2.5 1.8

8 balance 47 2.2 2.2

9 balance 49 1.8 2.6

10 balance 51 1.5 3.0

11 balance 53 1.0 3.5

12 balance 55 0.8 4.0

13 balance 56 0.5 4.5

14 balance 57 0.4 4.8

15 Balance 58 0.3 5.0 Table 4: Aluminum-zinc-silicon alloy powder consists of 1, Zn, Si, RE, the mass percentage of each component

\元

A1 Zn Si RE sequence\

number 1 balance 35 4.0 1.0

2 balance 36 3.9 0.9

3 balance 37 3.8 0.8

4 balance 39 3.6 0.6

5 balance 41 3.2 0.4

6 balance 43 2.8 0.3

7 balance 45 2.5 0.2

8 balance 47 2.2 0.15

9 balance 49 1.8 0.13

10 balance 51 1.5 0.11

11 balance 53 1.0 0.09

12 balance 55 0.8 0.07

13 balance 56 0.5 0.05

14 balance 57 0.4 0.03

15 balance 58 0.3 0.02l, composition of Zn, Si, Ti, mass percentage content of each component (%)

6 balance 43 2.8 0.30

7 balance 45 2.5 0.25

8 balance 47 2.2 0.20

9 balance 49 1.8 0.15

10 balance 51 1.5 0.1

11 balance 53 1.0 0.08

12 balance 55 0.8 0.05

13 balance 56 0.5 0.03

14 balance 57 0.4 0.02

15 balance 58 0.3 0.01, composition of Zn, Si, Ni, mass percentage content of each component

\元

A1 Zn Si Ni sequence\

number

1 balance 35 4.0 0.1

2 balance 36 3.9 0.2

3 balance 37 3.8 0.3

4 balance 39 3.6 0.5

5 balance 41 3.2 0.7

6 balance 43 2.8 1.0

7 balance 45 2.5 1.3

8 balance 47 2.2 1.5

9 balance 49 1.8 1.8

10 balance 51 1.5 2.0 11 balance 53 1.0 2.4

12 balance 55 0.8 2.6

13 balance 56 0.5 2.8

14 balance 57 0.4 2.9

15 balance 58 0.3 3.0, composition of Zn, Si and Mn, the mass percentage of each component

\元

A1 Zn Si Mn sequence\

number

1 balance 35 4.0 0.01

2 balance 36 3.9 0.03

3 balance 37 3.8 0.07

4 balance 39 3.6 0.10

5 balance 41 3.2 0.18

6 balance 43 2.8 0.25

7 balance 45 2.5 0.35

8 balance 47 2.2 0.50

9 balance 49 1.8 0.65

10 balance 51 1.5 0.80

11 balance 53 1.0 0.85

12 balance 55 0.8 0.91

13 balance 56 0.5 0.95

14 balance 57 0.4 0.98

15 balance 58 0.3 1.0 Table 8: Aluminum-zinc-silicon alloy powder consists of Al, Zn, Si, Mg, RE, and the mass percentage content of each component (%)

Table 9: Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, Ti, and the mass percentage content of each component (%)

\元

A1 Zn Si Mg Ti sequence\

number 1 balance 35 4.0 0.1 0.5

2 balance 36 3.9 0.3 0.48

3 balance 37 3.8 0.5 0.45

4 balance 39 3.6 0.8 0.40

5 balance 41 3.2 1.0 0.35

6 balance 43 2.8 1.3 0.30

7 balance 45 2.5 1.8 0.25

8 balance 47 2.2 2.2 0.20

9 balance 49 1.8 2.6 0.15

10 balance 51 1.5 3.0 0.1

11 balance 53 1.0 3.5 0.08

12 balance 55 0.8 4.0 0.05

13 balance 56 0.5 4.5 0.03

14 balance 57 0.4 4.8 0.02

15 balance 58 0.3 5.0 0.01

: The powder consists of Al, Zn, Si, Mg, M, and the mass percentage of each component

\元

A1 Zn Si Mg Ni order\

number

1 balance 35 4.0 0.1 0.1

2 balance 36 3.9 0.3 0.2

3 balance 37 3.8 0.5 0.3

4 balance 39 3.6 0.8 0.5

5 balance 41 3.2 1.0 0.7 6 balance 43 2.8 1.3 1.0

7 balance 45 2.5 1.8 1.3

8 balance 47 2.2 2.2 1.5

9 balance 49 1.8 2.6 1.8

10 balance 51 1.5 3.0 2.0

11 balance 53 1.0 3.5 2.4

12 balance 55 0.8 4.0 2.6

13 balance 56 0.5 4.5 2.8

14 balance 57 0.4 4.8 2.9

15 balance 58 0.3 5.0 3.0

: The powder consists of Al, Zn, Si, Mg and Mn, and the mass percentage of each component

\元

A1 Zn Si Mg Mn sequence\

number ,

1 balance 35 4.0 0.1 0.01

2 balance 36 3.9 0.3 0.03

3 balance 37 3.8 0.5 0.07

4 balance 39 3.6 0.8 0.10

5 balance 41 3.2 1.0 0.18

6 balance 43 2.8 1.3 0.25

7 balance 45 2.5 1.8 0.35

8 balance 47 2.2 2.2 0.50

9 balance 49 1.8 2.6 0.65

10 balance 51 1.5 3.0 0.80 11 balance 53 1.0 3.5 0.85

12 balance 55 0.8 4.0 0.91

13 balance 56 0.5 4.5 0.95

14 balance 57 0.4 4.8 0.98

15 balance 58 0.3 5.0 1.0 The powder consists of Al, Zn, Si, RE, Ti, and the mass percentage of each component

\元

A1 Zn Si RE Ti sequence\

number

1 balance 35 4.0 1.0 0.5

2 balance 36 3.9 0.9 0.48

3 balance 37 3.8 0.8 0.45

4 balance 39 3.6 0.6 0.40

5 balance 41 3.2 0.4 0.35

6 balance 43 2.8 0.3 0.30

7 balance 45 2.5 0.2 0.25

8 balance 47 2.2 0.15 0.20

9 balance 49 1.8 0.13 0.15

10 balance 51 1.5 0.11 0.1

11 balance 53 1.0 0.09 0.08

12 balance 55 0.8 0.07 0.05

13 balance 56 0.5 0.05 0.03

14 balance 57 0.4 0.03 0.02

15 balance 58 0.3 0.02 0.01 Table 13: Al-Zn-Si alloy powder consists of Al, Zn, Si, RE, M, and the mass percentage content of each component (%)

\元

A1 Zn Si RE Ni sequence\

number

1 balance 35 4.0 1.0 0.1

2 balance 36 3.9 0.9 0.2

3 balance 37 3.8 0.8 0.3

4 balance 39 3.6 0.6 0.5

5 balance 41 3.2 0.4 0.7

6 balance 43 2.8 0.3 1.0

7 balance 45 2.5 0.2 1.3

8 balance 47 2.2 0.15 1.5

9 balance 49 1.8 0.13 1.8

10 balance 51 1.5 0.11 2.0

11 balance 53 1.0 0.09 2.4

12 balance 55 0.8 0.07 2.6

13 balance 56 0.5 0.05 2.8

14 balance 57 0.4 0.03 2.9

15 balance 58 0.3 0.02 3.0

Table 14: Aluminum-zinc-silicone: The powder consists of Al, Zn, Si, RE and Mn, and the mass percentage of each component is included.

\元

A1 Zn Si RE Mn sequence\

number, 1 balance 35 4.0 1.0 0.01

2 balance 36 3.9 0.9 0.03

3 balance 37 3.8 0.8 0.07

4 balance 39 3.6 0.6 0.10

5 balance 41 3.2 0.4 0.18

6 balance 43 2.8 0.3 0.25

7 balance 45 2.5 0.2 0.35

8 balance 47 2.2 0.15 0.50

9 balance 49 1.8 0.13 0.65

10 balance 51 1.5 0.11 0.80

11 balance 53 1.0 0.09 0.85

12 balance 55 0.8 0.07 0.91

13 balance 56 0.5 0.05 0.95

14 balance 57 0.4 0.03 0.98

15 balance 58 0.3 0.02 1.0 The powder consists of Al, Zn, Si, Ti, Ni, the mass percentage content of each component (%)

6 balance 43 2.8 0.30 1.0

7 balance 45 2.5 0.25 1.3

8 balance 47 2.2 0.20 1.5

9 balance 49 1.8 0.15 1.8

10 balance 51 1.5 0.1 2.0

11 balance 53 1.0 0.08 2.4

12 balance 55 0.8 0.05 2.6

13 balance 56 0.5 0.03 2.8

14 balance 57 0.4 0.02 2.9

15 balance 58 0.3 0.01 3.0 The powder consists of Al, Zn, Si, Ti and Mn, and the mass percentage of each component

\元

A1 Zn Si Ti Mn sequence\

number ,

1 balance 35 4.0 0.5 0.01

2 balance 36 3.9 0.48 0.03

3 balance 37 3.8 0.45 0.07

4 balance 39 3.6 0.40 0.10

5 balance 41 3.2 0.35 0.18

6 balance 43 2.8 0.30 0.25

7 balance 45 2.5 0.25 0.35

8 balance 47 2.2 0.20 0.50

9 balance 49 1.8 0.15 0.65

10 balance 51 1.5 0.1 0.80 11 balance 53 1.0 0.08 0.85

12 balance 55 0.8 0.05 0.91

13 balance 56 0.5 0.03 0.95

14 balance 57 0.4 0.02 0.98

15 balance 58 0.3 0.01 1.0

: The powder consists of Al, Zn, Si, M and Mn, and the mass percentage of each component is included.

\元

A1 Zn Si Ni Mn sequence\

number

1 balance 35 4.0 0.1 0.01

2 balance 36 3.9 0.2 0.03

3 balance 37 3.8 0.3 0.07

4 balance 39 3.6 0.5 0.10

5 balance 41 3.2 0.7 0.18

6 balance 43 2.8 1.0 0.25

7 balance 45 2.5 1.3 0.35

8 balance 47 2.2 1.5 0.50

9 balance 49 1.8 1.8 0.65

10 balance 51 1.5 2.0 0.80

11 balance 53 1.0 2.4 0.85

12 balance 55 0.8 2.6 0.91

13 balance 56 0.5 2.8 0.95

14 balance 57 0.4 2.9 0.98

15 balance 58 0.3 3.0 1.0 Table 18: Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, RE, Ti, and the mass percentage content of each component (%)

Table 19: Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, RE, M, and the mass percentage content of each component (%)

\元

A1 Zn Si Mg RE Ni sequence\

number 1 balance 35 4.0 0.1 1.0 0.1

2 balance 36 3.9 0.3 0.9 0.2

3 balance 37 3.8 0.5 0.8 0.3

4 balance 39 3.6 0.8 0.6 0.5

5 balance 41 3.2 1.0 0.4 0.7

6 balance 43 2.8 1.3 0.3 1.0

7 balance 45 2.5 1.8 0.2 1.3

8 balance 47 2.2 2.2 0.15 1.5

9 balance 49 1.8 2.6 0.13 1.8

10 balance 51 1.5 3.0 0.11 2.0

11 balance 53 1.0 3.5 0.09 2.4

12 balance 55 0.8 4.0 0.07 2.6

13 balance 56 0.5 4.5 0.05 2.8

14 balance 57 0.4 4.8 0.03 2.9

15 balance 58 0.3 5.0 0.02 3.0 Zinc-silicon alloy powder consists of Al, Zn, Si, Mg, RE and Mn, the mass percentage content of each component (%)

Balance 43 2.8 1.3 0.3 0.25 Balance 45 2.5 1.8 0.2 0.35 Balance 47 2.2 2.2 0.15 0.50 Balance 49 1.8 2.6 0.13 0.65 Balance 51 1.5 3.0 0.11 0.801 Balance 53 1.0 3.5 0.09 0.85 Balance 55 0.8 4.0 0.07 0.91 Amount 56 0.5 4.5 0.05 0.95 Balance 57 0.4 4.8 0.03 0.98 Balance 58 0.3 5.0 0.02 1.0 The alloy powder consists of Al, Zn, Si, Mg, Ti, M, and the mass percentage of each component (%)

11 balance 53 1.0 3.5 0.08 2.4

12 balance 55 0.8 4.0 0.05 2.6

13 balance 56 0.5 4.5 0.03 2.8

14 balance 57 0.4 4.8 0.02 2.9

15 balance 58 0.3 5.0 0.01 3.0 Alloy powder consists of Al, Zn, Si, Mg, Ti and Mn, the mass percentage content of each component (%)

Table 23: Aluminum-zinc-silicon alloy powder consists of Al, Zn, Si, Mg, M and Mn, and the mass percentage of each component (%)

\元

A1 Zn Si Mg Ni Mn sequence\

number ,

1 balance 35 4.0 0.1 0.1 0.01

2 balance 36 3.9 0.3 0.2 0.03

3 balance 37 3.8 0.5 0.3 0.07

4 balance 39 3.6 0.8 0.5 0.10

5 balance 41 3.2 1.0 0.7 0.18

6 balance 43 2.8 1.3 1.0 0.25

7 balance 45 2.5 1.8 1.3 0.35

8 balance 47 2.2 2.2 1.5 0.50

9 balance 49 1.8 2.6 1.8 0.65

10 balance 51 1.5 3.0 2.0 0.80

11 balance 53 1.0 3.5 2.4 0.85

12 balance 55 0.8 4.0 2.6 0.91

13 balance 56 0.5 4.5 2.8 0.95

14 balance 57 0.4 4.8 2.9 0.98

15 balance 58 0.3 5.0 3.0 1.0

Table 24: Aluminum-zinc: Niobium alloy powder consists of Al, Zn, Si, RE, Ti, M, and the mass percentage of each component (

\元

A1 Zn Si RE Ti Ni sequence\

number 1 balance 35 4.0 1.0 0.5 0.1

2 balance 36 3.9 0.9 0.48 0.2

3 balance 37 3.8 0.8 0.45 0.3

4 balance 39 3.6 0.6 0.40 0.5

5 balance 41 3.2 0.4 0.35 0.7

6 balance 43 2.8 0.3 0.30 1.0

7 balance 45 2.5 0.2 0.25 1.3

8 balance 47 2.2 0.15 0.20 1.5

9 balance 49 1.8 0.13 0.15 1.8

10 balance 51 1.5 0.11 0.1 2.0

11 balance 53 1.0 0.09 0.08 2.4

12 balance 55 0.8 0.07 0.05 2.6

13 balance 56 0.5 0.05 0.03 2.8

14 balance 57 0.4 0.03 0.02 2.9

15 balance 58 0.3 0.02 0.01 3.0 Alloy powder consists of Al, Zn, Si, RE, Ti and Mn, the mass percentage of each component

\元

A1 Zn Si RE Ti Mn sequence\

number ,

1 balance 35 4.0 1.0 0.5 0.01

2 balance 36 3.9 0.9 0.48 0.03

3 balance 37 3.8 0.8 0.45 0.07

4 balance 39 3.6 0.6 0.40 0.10

5 balance 41 3.2 0.4 0.35 0.18 6 balance 43 2.8 0.3 0.30 0.25

7 balance 45 2.5 0.2 0.25 0.35

8 balance 47 2.2 0.15 0.20 0.50

9 balance 49 1.8 0.13 0.15 0.65

10 balance 51 1.5 0.11 0.1 0.80

11 balance 53 1.0 0.09 0.08 0.85

12 balance 55 0.8 0.07 0.05 0.91

13 balance 56 0.5 0.05 0.03 0.95

14 balance 57 0.4 0.03 0.02 0.98

15 balance 58 0.3 0.02 0.01 1.0 Niobium alloy powder consists of Al, Zn, Si, RE, M and Mn, the mass percentage of each component

\元

A1 Zn Si RE Ni Mn sequence\

number

1 balance 35 4.0 1.0 0.1 0.01

2 balance 36 3.9 0.9 0.2 0.03

3 balance 37 3.8 0.8 0.3 0.07

4 balance 39 3.6 0.6 0.5 0.10

5 balance 41 3.2 0.4 0.7 0.18

6 balance 43 2.8 0.3 1.0 0.25

7 balance 45 2.5 0.2 1.3 0.35

8 balance 47 2.2 0.15 1.5 0.50

9 balance 49 1.8 0.13 1.8 0.65

10 balance 51 1.5 0.11 2.0 0.80 11 balance 53 1.0 0.09 2.4 0.85

12 balance 55 0.8 0.07 2.6 0.91

13 balance 56 0.5 0.05 2.8 0.95

14 balance 57 0.4 0.03 2.9 0.98

15 balance 58 0.3 0.02 3.0 1.0 The alloy powder consists of Al, Zn, Si, Ti, M and Mn, and the mass percentage of each component (%)

28 : Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, RE, Ti, M, and the mass percentage content of each component (%)

Yuan

A1 Zn Si Mg RE Ti Ni sequence\

number

1 balance 35 4.0 0.1 1.0 0.5 0.1

2 balance 36 3.9 0.3 0.9 0.48 0.2

3 balance 37 3.8 0.5 0.8 0.45 0.3

4 balance 39 3.6 0.8 0.6 0.40 0.5

5 balance 41 3.2 1.0 0.4 0.35 0.7

6 balance 43 2.8 1.3 0.3 0.30 1.0

7 balance 45 2.5 1.8 0.2 0.25 1.3

8 balance 47 2.2 2.2 0.15 0.20 1.5

9 balance 49 1.8 2.6 0.13 0.15 1.8

10 balance 51 1.5 3.0 0.11 0.1 2.0

11 balance 53 1.0 3.5 0.09 0.08 2.4

12 balance 55 0.8 4.0 0.07 0.05 2.6

13 balance 56 0.5 4.5 0.05 0.03 2.8

14 balance 57 0.4 4.8 0.03 0.02 2.9

15 balance 58 0.3 5.0 0.02 0.01 3.0

29: Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, RE, Ti and Mn, and the mass percentage of each component (%)

\元

A1 Zn Si Mg RE Ti Mn sequence\

number Balance 35 4.0 0.1 1.0 0.5 0.01 Balance 36 3.9 0.3 0.9 0.48 0.03 Balance 37 3.8 0.5 0.8 0.45 0.07 Balance 39 3.6 0.8 0.6 0.40 0.10 Balance 41 3.2 1.0 0.4 0.35 0.18 Balance 43 2.8 1.3 0.3 0.30 0.25 Balance 45 2.5 1.8 0.2 0.25 0.35 Balance 47 2.2 2.2 0.15 0.20 0.50 Balance 49 1.8 2.6 0.13 0.15 0.65 Balance 51 1.5 3.0 0.11 0.1 0.80 Balance 53 1.0 3.5 0.09 0.08 0.85 Balance 55 0.8 4.0 0.07 0.05 0.91 Balance 56 0.5 4.5 0.05 0.03 0.95 Balance 57 0.4 4.8 0.03 0.02 0.98 Balance 58 0.3 5.0 0.02 0.01 1.0 Aluminum-zinc-silicon alloy powder consists of Al, Zn, Si, Mg, RE, Ni and Mn, and the mass percentage of each component (%) )

- twenty one - 6 balance 43 2.8 1.3 0.3 1.0 0.25

7 balance 45 2.5 1.8 0.2 1.3 0.35

8 balance 47 2.2 2.2 0.15 1.5 0.50

9 balance 49 1.8 2.6 0.13 1.8 0.65

10 balance 51 1.5 3.0 0.11 2.0 0.80

11 balance 53 1.0 3.5 0.09 2.4 0.85

12 balance 55 0.8 4.0 0.07 2.6 0.91

13 balance 56 0.5 4.5 0.05 2.8 0.95

14 balance 57 0.4 4.8 0.03 2.9 0.98

15 balance 58 0.3 5.0 0.02 3.0 1.0 Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, Ti, M and Mn, the mass percentage of each component

\元

A1 Zn Si Mg Ti Ni Mn sequence\

number

1 balance 35 4.0 0.1 0.5 0.1 0.01

2 balance 36 3.9 0.3 0.48 0.2 0.03

3 balance 37 3.8 0.5 0.45 0.3 0.07

4 balance 39 3.6 0.8 0.40 0.5 0.10

5 balance 41 3.2 1.0 0.35 0.7 0.18

6 balance 43 2.8 1.3 0.30 1.0 0.25

7 balance 45 2.5 1.8 0.25 1.3 0.35

8 balance 47 2.2 2.2 0.20 1.5 0.50

9 balance 49 1.8 2.6 0.15 1.8 0.65

10 balance 51 1.5 3.0 0.1 2.0 0.80 11 balance 53 1.0 3.5 0.08 2.4 0.85

12 balance 55 0.8 4.0 0.05 2.6 0.91

13 balance 56 0.5 4.5 0.03 2.8 0.95

14 balance 57 0.4 4.8 0.02 2.9 0.98

15 balance 58 0.3 5.0 0.01 3.0 1.0 Aluminum-zinc-silicon alloy powder consists of Al, Zn, Si, RE, Ti, M and Mn, and the mass percentage of each component (%)

Table 33: Al-Zn-Si alloy powder consists of Al, Zn, Si, Mg, RE, Ti, M and Mn, and the mass percentage content of each component (%)

In another aspect, the present invention also provides a process for preparing an environmentally-friendly water-soluble aluminum-zinc-silicon coating for anti-corrosion treatment of marine weather resistant engineering parts: according to the above formula, weigh a quantitative corrosion inhibitor, and dissolve it into a quantitative deionized water. Then, adding a binder, a dispersing agent, an organic solvent, stirring to dissolve, slowly adding aluminum-zinc-silicon alloy powder and nano-oxide particle reinforcing agent under stirring, and then adding a thickener, and controlling the oil bath during the stirring process The temperature is 20-30 ° C and stirred for 0.5-lh. Experimental performance data:

The key component of a near-shore wind turbine, the "connection bolt" (material 40CrNiMo), was originally treated with conventional protection and produced significant corrosion in just a few months. The various coatings of the present invention are respectively coated to form a 20μηι thick coating, and then coated with a 15μη thick polysiloxane. The accelerated corrosion simulation test results show that the main performance indexes achieved in the seawater splash zone environment can be achieved:

Neutral salt spray corrosion life: greater than 1600 hours

300 ° C heat and humidity resistance: 240 hours

Coating adhesion: 50N

Rapid corrosion life of ammonium nitrate: more than 8 hours

Marine weather resistant corrosion life: greater than 20 years (quick test)

Claims

Claim

1. A coating for anti-corrosion treatment of marine weather engineering parts, wherein the coating comprises aluminum zinc silicon alloy powder, organic solvent, nano oxide particle reinforcing agent, deionized water, binder, corrosion inhibitor, dispersant and Thickener, wherein the coating formulation has the following ratio: aluminum zinc silicon alloy powder: organic solvent: nano oxide particle enhancer: deionized water: bonded [J: corrosion inhibitor: dispersant: thickening Qi [ J=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, wherein the aluminum zinc silicon alloy powder It is composed of Al, Zn, and Si.

2. Coatings for anti-corrosion treatment of marine weather engineering parts, wherein the coating comprises aluminum zinc silicon alloy powder, organic solvent, nano oxide particle reinforcing agent, deionized water, binder, corrosion inhibitor, dispersant and Thickener, wherein the coating formulation has the following ratio: aluminum zinc silicon alloy powder: organic solvent: nano oxide particle enhancer: deionized water: bonded [J: corrosion inhibitor: dispersant: thickening Qi [ J=30.0-50.0g: 10.0-25.0mL: 1.0-4.0g: 15.0-30.0mL: 2.0-5.0g: 1.0-3.0g: 0.1-2.0mL: 0.1-2.0g, wherein the aluminum zinc silicon alloy powder It comprises three basic elements of Al, Zn and Si, and further comprises one or more elements selected from the group consisting of magnesium, rare earth, titanium, nickel and manganese.

The coating according to any one of claims 1 to 2, wherein the organic solvent is preferably ethylene glycol, wherein the binder is preferably a boric acid coupling agent, wherein the corrosion inhibitor is preferably boric acid, wherein The thickener is preferably hydroxyethylcellulose, wherein the dispersant is preferably polysiloxane dipropylene glycol monomethyl ether.

The coating according to any one of claims 1 to 3, wherein the nano-oxide particle reinforcing agent is one or both selected from the group consisting of A1 ₂ 0 ₃ and Si0 ₂ .

The paint according to claim 4, wherein the A1 ₂ 0 ₃ has an average particle diameter of 15 to 60 nm, and the SiO ₂ has an average particle diameter of 25 to 70 nm.

The coating according to claim 4 or 5, wherein the nano oxide particle reinforcing agent is SiO^B Al ₂ 0 ₃ , and the mass ratio of Si0 ₂ and A1 ₂ 0 ₃ is 1: (1 to 3).

The coating according to any one of claims 1 to 6, wherein the aluminum zinc silicon alloy powder has an average diameter of 10 to 200 m.

The paint according to any one of claims 1 to 7, wherein the mass percentage of each component of the aluminum zinc silicon alloy powder is: Ζη: 35-58%, Si: 0.3-4.0%, Mg: 0.1-5.0 %, RE: 0.02-1.0%, Ti: 0.01-0.5%, Ni: 0.1-3.0%, Mn: 0·01~1·0%.

9. The coating of claim 8 wherein the balance of the components of the aluminum zinc silicon alloy powder is A1 and unavoidable impurities.

A method for preparing a coating for anti-corrosion treatment of marine weather engineering parts according to any one of claims 1 to 9, wherein a quantitative corrosion inhibitor is weighed and dissolved in a predetermined amount of deionized water according to the above formula, and then Adding binder, dispersant, organic solvent, stirring to dissolve, slowly adding aluminum-zinc-silicon alloy powder and nano-oxide particle reinforcing agent under stirring, then adding thickener, and controlling the temperature of the oil bath during stirring At 20-30 ° C, stir for 0.5-lh.