Nano magnesium-aluminum anti-corrosion coating and preparation method thereof

A corrosion-resistant, nano-magnesium technology, applied in anti-corrosion coatings, epoxy resin coatings, anti-fouling/underwater coatings, etc., can solve the problem that organic polymer materials are difficult to meet the use requirements, resistance to heat and humidity, salt spray and high and low temperature Insufficient and other problems, to achieve excellent heat insulation effect, avoid moisture absorption, improve processability

Active Publication Date: 2015-06-03

JIANGSU XIN AN NEW MATERIALS TECH

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AI-Extracted Technical Summary

Problems solved by technology

[0003] With the rapid development of industries such as aviation, aerospace, automobiles and weapons, the requirements for the performance of metal materials are getting higher and higher. Not only are metal materials required to work normally at higher temperatures and harsher corrosion environments, but also It is difficult for organic polymer materials to meet the current use requirements if metal materials have good performances such as anti-vibration, anti-fatigue, anti-tempera...

Abstract

The invention discloses a nano magnesium-aluminum anti-corrosion coating. The coating comprises a first component and a second component, wherein the second component is formed by mixing a component A with a component B; the first component comprises components as follows: epoxy resin, hydroxyl acrylic resin and ammonium dihydrogen phosphate; the component A comprises components as follows: nano magnesium oxide, nano aluminum oxide, nano titanium dioxide, nano zirconium dioxide, nano rare earth oxide and deionized water; the component B comprises components as follows: butanol, filler, barium sulfate, diethylenetriamine and dipropylene glycol butyl ether. The invention further discloses a preparation method of the nano magnesium-aluminum anti-corrosion coating. The coating is high in mechanical strength and excellent in wear resistance, hardness, compressive strength and impact resistance, meanwhile, the preparation technology is simple and easy to operate, the cost is lower, the production process is safe and environment-friendly, and no pollutant is produced.

Application Domain

Antifouling/underwater paintsPaints with biocides +2

Technology Topic

DiethylenetriamineDipropylene glycol +10

Examples

Experimental program(3)
Effect test(1)

Example Embodiment

[0024] Example 1

[0025] This embodiment provides a nano-magnesium-aluminum corrosion-resistant coating comprising two components A and B. The two components A and B are mixed in a ratio of A:B=1:1.5, and the second component is a two-component composition composed of A , B component is mixed according to the ratio of A: B=1: 1.2, A and B contain the following components in mass parts:

[0026] The first component contains the following components in parts by mass: 45-60 parts of epoxy resin, 18-22 parts of hydroxy acrylic resin, 1.2-1.8 parts of ammonium dihydrogen phosphate;

[0027] The A component in the B component includes the following components in terms of parts by mass: 6-8 parts of nano-magnesia, 5-7 parts of nano-alumina, 0.5-1.5 parts of nano-titanium dioxide, 0.8-1.2 parts of nano-zirconium dioxide, 0.3-0.6 parts of nano-rare earth oxide, 30-38 parts of deionized water;

[0028] The B component in the B component includes the following components in parts by mass: 1.5-2.5 parts of butanol, 22-32 parts of filler, 2-4 parts of barium sulfate, 5-7 parts of diethylene triamine, butylene dipropylene glycol 1-3 parts of ether.

[0029] Among them, the nano-rare earth oxide is nano-cerium oxide; the filler is talc; the particle diameter of nano-magnesium oxide and nano-alumina is 15 nm; the particle diameter of nano-titania, nano-zirconia and nano-rare-earth oxide is 60 nm.

[0030] This embodiment also provides a method for preparing the nano-magnesium-aluminum corrosion-resistant coating, which includes the following specific steps:

[0031] Step (1): Add epoxy resin, hydroxy acrylic resin and ammonium dihydrogen phosphate into a stirrer according to the above formula, and stir at a speed of 550r/min for 18 minutes to obtain component A, which is ready for use;

[0032] Step (2): Add deionized water to the nano-magnesium oxide, nano-alumina, nano-titania, nano-zirconia and nano-rare earth oxides according to the above formula, and stir while adding, stirring at a speed of 1200r/min 30min, get the A component in the B component, and use it for later use;

[0033] Step (3): Add butanol, filler, barium sulfate, diethylene triamine and dipropylene glycol butyl ether into the stirrer according to the above formula, and stir for 20 minutes at a speed of 820r/min to obtain component B in component B ,spare;

[0034] Step (4): Mix component A and component B according to the ratio of A:B=1:1.2, stir at a speed of 950r/min, and stir for 60min to obtain component B for use;

[0035] Step (5): Mix the two components A and B in a ratio of A:B=1:1.5, stir at a speed of 740r/min, stir for 35min, and stand for 20min to obtain a finished nano-magnesium-aluminum corrosion-resistant coating.

Example Embodiment

[0036] Example 2

[0037] This embodiment provides a nano-magnesium-aluminum corrosion-resistant coating comprising two components A and B. The two components A and B are mixed in a ratio of A:B=1:1.5, and the second component is a two-component composition composed of A , B component is mixed according to the ratio of A: B=1: 1.2, A and B contain the following components in mass parts:

[0038] The first component contains the following components in parts by mass: 45-60 parts of epoxy resin, 18-22 parts of hydroxy acrylic resin, 1.2-1.8 parts of ammonium dihydrogen phosphate;

[0039] The A component in the B component includes the following components in terms of parts by mass: 6-8 parts of nano-magnesia, 5-7 parts of nano-alumina, 0.5-1.5 parts of nano-titanium dioxide, 0.8-1.2 parts of nano-zirconium dioxide, 0.3-0.6 parts of nano-rare earth oxide, 30-38 parts of deionized water;

[0040] The B component in the B component includes the following components in parts by mass: 1.5-2.5 parts of butanol, 22-32 parts of filler, 2-4 parts of barium sulfate, 5-7 parts of diethylene triamine, butylene dipropylene glycol 1-3 parts of ether.

[0041] Among them, the nano-rare earth oxide is nano-cerium oxide; the filler is diatom mud; the particle diameter of nano-magnesium oxide and nano-alumina is 50 nm; the particle diameter of nano-titanium dioxide, nano-zirconia and nano-rare-earth oxide is 100 nm.

[0042] This embodiment also provides a method for preparing the nano-magnesium-aluminum corrosion-resistant coating, which includes the following specific steps:

[0043] Step (1): Add epoxy resin, hydroxy acrylic resin and ammonium dihydrogen phosphate into a stirrer according to the above formula, and stir for 15 minutes at a speed of 650r/min to obtain component A, which is ready for use;

[0044] Step (2): Add deionized water to the nano-magnesium oxide, nano-alumina, nano-titania, nano-zirconia, and nano-rare earth oxides according to the above formula, and stir while adding, stirring at a speed of 1400r/min 20min, obtain the A component of the B component, and use it for later use;

[0045] Step (3): Add butanol, filler, barium sulfate, diethylene triamine and dipropylene glycol butyl ether into the stirrer according to the above formula, and stir for 18 minutes at a speed of 860r/min to obtain component B in component B ,spare;

[0046] Step (4): Mix component A and component B according to the ratio of A:B=1:1.2, stir at a speed of 1150r/min, and stir for 45min to obtain component B for use;

[0047] Step (5): Mix the two components A and B in a ratio of A:B=1:1.5, stir at a speed of 780r/min, stir for 25min, and stand for 20min to obtain a finished nano-magnesium-aluminum corrosion-resistant coating.

Example Embodiment

[0048] Example 3

[0049] This embodiment provides a nano-magnesium-aluminum corrosion-resistant coating comprising two components A and B. The two components A and B are mixed in a ratio of A:B=1:1.5, and the second component is a two-component composition composed of A , B component is mixed according to the ratio of A: B=1: 1.2, A and B contain the following components in mass parts:

[0050] The first component contains the following components in parts by mass: 45-60 parts of epoxy resin, 18-22 parts of hydroxy acrylic resin, 1.2-1.8 parts of ammonium dihydrogen phosphate;

[0051] The A component in the B component includes the following components in terms of parts by mass: 6-8 parts of nano-magnesia, 5-7 parts of nano-alumina, 0.5-1.5 parts of nano-titanium dioxide, 0.8-1.2 parts of nano-zirconium dioxide, 0.3-0.6 parts of nano-rare earth oxide, 30-38 parts of deionized water;

[0052] The B component in the B component includes the following components in parts by mass: 1.5-2.5 parts of butanol, 22-32 parts of filler, 2-4 parts of barium sulfate, 5-7 parts of diethylene triamine, butylene dipropylene glycol 1-3 parts of ether.

[0053] Among them, the nano-rare earth oxide is nano-cerium oxide; the filler is talc or diatom mud; the particle diameter of nano-magnesium oxide and nano-alumina is 15-50nm; the particle diameter of nano-titania, nano-zirconia and nano-rare-earth oxide It is 60-100nm.

[0054] This embodiment also provides a method for preparing the nano-magnesium-aluminum corrosion-resistant coating, which includes the following specific steps:

[0055] Step (1): Add epoxy resin, hydroxy acrylic resin and ammonium dihydrogen phosphate into a stirrer according to the above formula, and stir at a speed of 600r/min for 16 minutes to obtain the first component for use;

[0056] Step (2): Add deionized water to the nano-magnesium oxide, nano-alumina, nano-titania, nano-zirconia and nano-rare earth oxides according to the above formula, and stir while adding. The stirring speed is 1300r/min. 25min, obtain the A component of the B component, and reserve;

[0057] Step (3): Add butanol, filler, barium sulfate, diethylene triamine and dipropylene glycol butyl ether into the stirrer according to the above formula, stir at 850r/min for 190min to obtain component B in component B ,spare;

[0058] Step (4): Mix component A and component B according to the ratio of A:B=1:1.2, stir at a speed of 1050r/min, and the stirring time is 52min to obtain component B for use;

[0059] Step (5): Mix the two components A and B in a ratio of A:B=1:1.5, stir at a speed of 760r/min, stir for 30min, and stand for 20min to obtain a finished product of nano-magnesium-aluminum corrosion-resistant coating.

PUM

Property	Measurement	Unit
Diameter	15.0	nm
Diameter	60.0	nm
Diameter	50.0	nm

Description & Claims & Application Information

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AI-Extracted Technical Summary

Problems solved by technology

Abstract

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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