CN105968926B - The preparation method of heavy load amount corrosion inhibiter support structures - Google Patents
The preparation method of heavy load amount corrosion inhibiter support structures Download PDFInfo
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- CN105968926B CN105968926B CN201610298816.6A CN201610298816A CN105968926B CN 105968926 B CN105968926 B CN 105968926B CN 201610298816 A CN201610298816 A CN 201610298816A CN 105968926 B CN105968926 B CN 105968926B
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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
- 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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Abstract
The present invention relates to anticorrosive additive technologies of preparing, it is desirable to provide a kind of preparation method of heavy load amount corrosion inhibiter support structures.Comprising steps of addition cetyl trimethylammonium bromide powder, deionized water, ethyl alcohol, ammonium hydroxide persistently stir by PS microballoon emulsion dispersion into dehydrated alcohol, filter, clean after ethyl orthosilicate reaction is added dropwise, dry, baking obtains hollow silica microsphere；Dehydrated alcohol, hollow silica microsphere are added into the acid solution of cerous nitrate, is centrifugated after heating stirring, it is dry after washing, obtain final products.The present invention loads corrosion inhibiter with hollow silica microsphere, corrosion inhibiter is avoided to contact with the direct of coating, the additional amount of corrosion inhibiter can be improved by way of improving silicon dioxide microsphere support structures amount in use, and then the content of corrosion inhibiter in the coating is improved, extend the time for improving corrosion inhibiter effect.The present invention efficiently solves the excessive negative effect to paint stability of corrosion inhibiter additional amount in the prior art.
Description
Technical field
The present invention relates to anticorrosive additive technologies of preparing, in particular to the preparation side of heavy load amount corrosion inhibiter support structures
Method.
Background technique
Ship is very high with corrosion resistance requirement of the anticorrosive paint especially shell anticorrosive paint to coating, and common has
The corrosion-inhibiting coatings such as machine resin cooperate pretreatment layer, priming paint, while the anodic protections agent such as zinc powder is added, in the case where certain thickness
With preferable corrosion resistance.But organic water-repellent preservation painting layer absorbent is strong, can generate Swelling, make it certain
The shielding action of corrosive medium is declined after service life, therefore needs to repair and recoat to ensure ship in use for some time
Normal operation, thus need corrosion inhibitor to assist to improve the corrosion resistance of coating, but directly add corrosion inhibitor
Enter into coating or coating to be easy to be lost, needing a kind of support structures to coat corrosion inhibitor wherein can just prevent its loss.
Common corrosion inhibiter support structures are mostly porous structure, and the amount for loading corrosion inhibiter is limited, thus affects the effect of corrosion inhibiter
Time, the present invention carry out corrosion inhibiter load using the silicon dioxide microsphere of hollow structure, effectively increase the load capacity of corrosion inhibiter,
Extend action time of the corrosion inhibiter in coating.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of heavy load amount corrosion inhibiter
The preparation method of support structures.
In order to solve the technical problem, solution of the invention is:
A kind of preparation method of heavy load amount corrosion inhibiter support structures is provided, which comprises the steps of:
(1) under the stirring condition of 200r/min, the salt acid for adjusting pH value of 0.1 mol/L is added in 100 mass parts water
Between 3~5；Then solution is heated to 50 DEG C, 10~15 mass parts cerous nitrates is added and are uniformly mixed, add 1 mass parts
Absolute ethyl alcohol and stirring 0.5h；
(2) by polystyrene (PS) microballoon emulsion dispersion into dehydrated alcohol, the PS microballoon point that concentration is 0.2g/L is obtained
Dispersion liquid；50ml dispersion liquid is taken, 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethyl alcohol, room is added
It is stirred evenly under temperature；Then 1ml ammonium hydroxide is added into mixture, after persistently stirring 0.5 hour, the positive silicic acid of 0.4ml is added dropwise
Ethyl ester, reaction was completed after reaction 4h at room temperature；The powder that is dried at room temperature for, and will obtain after reaction solution is filtered repeatedly, is cleaned
Body is put into baking oven, is warming up to 550 DEG C with the heating rate of 5 DEG C/min, is obtained hollow silica microsphere after keeping the temperature 2h；
(3) hollow silica microsphere in 10 mass parts steps (2) is added to step under 500r/min stirring condition
Suddenly it in (1) acquired solution, is mixed 3 hours at 80 DEG C；
(4) the resulting mixed solution of step (3) is centrifugated, sediment is with dry in 80 DEG C of baking ovens after ethanol washing 4 times
It is dry, obtain heavy load amount corrosion inhibiter support structures.
In the present invention, the polystyrene microsphere lotion is that analysis is pure, and microsphere diameter is 1-3 μm, and emulsion concentration is 5% matter
Measure part；The cetyl trimethylammonium bromide powder is that analysis is pure；The ethyl orthosilicate purity is 99.8%.
In the present invention, the cerous nitrate molecular formula is CeNO3·6H2O is analyzed pure.
The application method of heavy load amount corrosion inhibiter support structures in the present invention is by the heavy load amount corrosion inhibiter of 3 mass parts
Support structures are added into the water paint of 100 mass parts, after being mixed 3 hours, for being directed to the painting at anticorrosive coating position
It covers.
Inventive principle description:
Corrosion inhibiter can be consumed constantly during coating antiseptic loses, thus the amount of corrosion inhibiter determines the corrosion-resistant week of coating
Phase.In general coating antiseptic technology, corrosion inhibiter is directly added into coating, but the amount of corrosion inhibiter can not be added too much, because of corrosion inhibiter
Ion concentration is high, and electrode reaction can occur.If the excessive stability that will will affect coating of additional amount, generally in anticorrosive paint
The amount of addition is in 0.001mol/L concentration range (about one thousandth or so).And the present invention is loaded using hollow silica microsphere
Corrosion inhibiter avoids corrosion inhibiter and contacts with the direct of coating, when coating preparation at coating and is soaked in the corrosive liquids such as seawater
When middle, corrosion inhibiter can be diffused into its corrosion inhibition in coating by the microcellular structure of silicon dioxide microsphere shell, as long as improving two
The amount of silicon oxide microsphere support structures is that the additional amount of corrosion inhibiter can be improved, in this way, can be by corrosion inhibiter (cerous nitrate)
Content is improved to 5 percent or so, the content of corrosion inhibiter in the coating is improved, to improve the time of corrosion inhibiter effect.
Compared with prior art, the invention has the following advantages:
The present invention loads corrosion inhibiter using hollow silica microsphere, avoids corrosion inhibiter and contacts with the direct of coating, energy
The additional amount of corrosion inhibiter enough is improved by way of improving silicon dioxide microsphere support structures amount in use, and then is improved
The content of corrosion inhibiter in the coating extends the time for improving corrosion inhibiter effect.The present invention efficiently solves inhibition in the prior art
The excessive negative effect to paint stability of agent additional amount.
Specific embodiment
In the present invention, polystyrene (PS) the microballoon lotion, ethyl orthosilicate, cetyl trimethylammonium bromide and nitre
Sour cerium is commercial products.For example, the PS microballoon lotion in following embodiments has selected Aladdin (Shanghai) chemical reagent to have
Limit company, product number P107775；Cetyl trimethylammonium bromide is Aladdin (Shanghai) chemical reagent Co., Ltd,
Product number H108983；Ethyl orthosilicate is Jiangsu Yong Hua Chemical Co., Ltd. product, purity 99.7%.Cerous nitrate is the U.S.
Aladdin chemical reagent Co., Ltd, cerium nitrate hexahydrate, purity 99.5%.
The present invention will be further described below by way of example.
Embodiment 1
The preparation of heavy load amount corrosion inhibiter support structures:
(1) under the stirring condition of 200r/min, the hydrochloric acid conditioning solution of 0.1 mol/L is added in 100 mass parts water
PH value is between 3；Then solution is heated to 50 DEG C, 10 mass parts cerous nitrates is added and are uniformly mixed, it is anhydrous to add 1 mass parts
Ethyl alcohol stirs 0.5h；
(2) by polystyrene (PS) microballoon emulsion dispersion into dehydrated alcohol, the PS microballoon point that concentration is 0.2g/L is obtained
Dispersion liquid.50ml dispersion liquid is taken, 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethyl alcohol, room is added
It is stirred evenly under temperature.Then 1ml ammonium hydroxide is added into solution, after persistently stirring 0.5 hour, the positive silicic acid second of 0.4ml is added dropwise dropwise
Ester, at room temperature react 4h after reaction was completed, reaction solution is filtered repeatedly, clean after dry at room temperature, obtained powder is put into
In high temperature oven, 550 DEG C are warming up to the heating rate of 5 DEG C/min, obtains hollow silica microsphere after keeping the temperature 2h.
(3) hollow silica microsphere in 10 mass parts steps (2) is added to step under 500r/min stirring condition
Suddenly it in the solution of (1), is mixed 3 hours at 80 DEG C；
(4) the resulting solution of step (3) is centrifugated, sediment with after ethanol washing 4 times after 80 DEG C of oven dryings,
Obtain heavy load amount corrosion inhibiter support structures.
The use of heavy load amount corrosion inhibiter support structures:
The heavy load amount corrosion inhibiter support structures of 3 mass parts are added into the water paint of 100 mass parts, are mixed
After 3 hours, for being directed to the coating at anticorrosive coating position.
Embodiment 2
The preparation of heavy load amount corrosion inhibiter support structures:
(1) under the stirring condition of 200r/min, the hydrochloric acid conditioning solution of 0.1 mol/L is added in 100 mass parts water
PH value is between 4；Then solution is heated to 50 DEG C, 12 mass parts cerous nitrates is added and are uniformly mixed, it is anhydrous to add 1 mass parts
Ethyl alcohol stirs 0.5h；
(2) by polystyrene (PS) microballoon emulsion dispersion into dehydrated alcohol, the PS microballoon point that concentration is 0.2g/L is obtained
Dispersion liquid.50ml dispersion liquid is taken, 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethyl alcohol, room is added
It is stirred evenly under temperature.Then 1ml ammonium hydroxide is added into solution, after persistently stirring 0.5 hour, the positive silicic acid second of 0.4ml is added dropwise dropwise
Ester, at room temperature react 4h after reaction was completed, reaction solution is filtered repeatedly, clean after dry at room temperature, obtained powder is put into
In high temperature oven, 550 DEG C are warming up to the heating rate of 5 DEG C/min, obtains hollow silica microsphere after keeping the temperature 2h.
(3) hollow silica microsphere in 10 mass parts steps (2) is added to step under 500r/min stirring condition
Suddenly it in the solution of (1), is mixed 3 hours at 80 DEG C；
(4) the resulting solution of step (3) is centrifugated, sediment with after ethanol washing 4 times after 80 DEG C of oven dryings,
Obtain heavy load amount corrosion inhibiter support structures.
The use of heavy load amount corrosion inhibiter support structures:
The heavy load amount corrosion inhibiter support structures of 15 mass parts are added into the water paint of 100 mass parts, mixing is stirred
After mixing 3 hours, for being directed to the coating at anticorrosive coating position.
Embodiment 3
The preparation of heavy load amount corrosion inhibiter support structures:
(1) under the stirring condition of 200r/min, the hydrochloric acid conditioning solution of 0.1 mol/L is added in 100 mass parts water
PH value is between 5；Then solution is heated to 50 DEG C, 15 mass parts cerous nitrates is added and are uniformly mixed, it is anhydrous to add 1 mass parts
Ethyl alcohol stirs 0.5h；
(2) by polystyrene (PS) microballoon emulsion dispersion into dehydrated alcohol, the PS microballoon point that concentration is 0.2g/L is obtained
Dispersion liquid.50ml dispersion liquid is taken, 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethyl alcohol, room is added
It is stirred evenly under temperature.Then 1ml ammonium hydroxide is added into solution, after persistently stirring 0.5 hour, the positive silicic acid second of 0.4ml is added dropwise dropwise
Ester, at room temperature react 4h after reaction was completed, reaction solution is filtered repeatedly, clean after dry at room temperature, obtained powder is put into
In high temperature oven, 550 DEG C are warming up to the heating rate of 5 DEG C/min, obtains hollow silica microsphere after keeping the temperature 2h.
(3) hollow silica microsphere in 10 mass parts steps (2) is added to step under 500r/min stirring condition
Suddenly it in the solution of (1), is mixed 3 hours at 80 DEG C；
(4) the resulting solution of step (3) is centrifugated, sediment with after ethanol washing 4 times after 80 DEG C of oven dryings,
Obtain heavy load amount corrosion inhibiter support structures.
The use of heavy load amount corrosion inhibiter support structures:
The heavy load amount corrosion inhibiter support structures of 30 mass parts are added into the water paint of 100 mass parts, mixing is stirred
After mixing 3 hours, for being directed to the coating at anticorrosive coating position.
Claims (1)
1. the preparation method of heavy load amount corrosion inhibiter support structures, which comprises the steps of:
(1) under the stirring condition of 200r/min, the salt acid for adjusting pH value of 0.1 mol/L is added in 100 mass parts water 3
Between~5；Then solution is heated to 50 DEG C, 10~15 mass parts cerous nitrates is added and are uniformly mixed, it is anhydrous to add 1 mass parts
Ethyl alcohol stirs 0.5h；The cerous nitrate molecular formula is Ce (NO3)3·6H2O is analyzed pure；
(2) by polystyrene microsphere emulsion dispersion into dehydrated alcohol, the PS microballoon dispersion liquid that concentration is 0.2g/L is obtained；It takes
50ml dispersion liquid is added 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethyl alcohol, stirs at room temperature
Uniformly；Then 1ml ammonium hydroxide is added into mixture, after persistently stirring 0.5 hour, 0.4ml ethyl orthosilicate, room temperature is added dropwise
Reaction was completed after lower reaction 4h；Reaction solution is filtered repeatedly, clean after be dried at room temperature for, and obtained powder is put into baking oven
In, 550 DEG C are warming up to the heating rate of 5 DEG C/min, obtains hollow silica microsphere after keeping the temperature 2h；
The polystyrene microsphere lotion is that analysis is pure, and microsphere diameter is 1-3 μm, and emulsion concentration is 5% mass parts；Described 16
Alkyl trimethyl ammonium bromide powder is that analysis is pure；The ethyl orthosilicate purity is 99.8%；
(3) hollow silica microsphere in 10 mass parts steps (2) is added to step (1) under 500r/min stirring condition
In acquired solution, it is mixed 3 hours at 80 DEG C；
(4) the resulting mixed solution of step (3) is centrifugated, sediment is in 80 DEG C of oven dryings, obtaining after ethanol washing 4 times
To heavy load amount corrosion inhibiter support structures.
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| CN109535313B (en) * | 2018-11-21 | 2020-12-01 | 河北工业大学 | Preparation method and application of copolymer porous microspheres |
| CN111286216B (en) * | 2020-03-28 | 2021-09-10 | 哈尔滨工程大学 | Improve Ce3+In hollow mesoporous SiO2Method for loading in microspheres |
| CN113215576B (en) * | 2021-06-22 | 2022-04-22 | 中国石油大学(华东) | Preparation method and application of rare earth doped silicon dioxide intelligent corrosion inhibition system |
| CN114807833B (en) * | 2022-04-20 | 2023-08-25 | 西安致远航空科技有限公司 | Metal mold surface treatment process |
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| CN102942834B (en) * | 2012-11-09 | 2016-01-20 | 太原科技大学 | A kind of preparation method of protection against corrosion coating |
| JP5373988B1 (en) * | 2013-04-04 | 2013-12-18 | 三菱重工鉄構エンジニアリング株式会社 | Heavy duty anticorrosion coating structure and method for metal materials |
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