CN105802309A - Application method of high-load corrosion inhibitor load structure - Google Patents
Application method of high-load corrosion inhibitor load structure Download PDFInfo
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- CN105802309A CN105802309A CN201610299008.1A CN201610299008A CN105802309A CN 105802309 A CN105802309 A CN 105802309A CN 201610299008 A CN201610299008 A CN 201610299008A CN 105802309 A CN105802309 A CN 105802309A
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- corrosion inhibiter
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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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- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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- Wood Science & Technology (AREA)
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Abstract
The invention relates to an anticorrosive additive technology, and aims at providing an application method of a high-load corrosion inhibitor load structure. The method comprises the following steps of: adding 3-30 parts of a high-load corrosion inhibitor load structure to 100 parts of a water-based paint, mixing and stirring the high-load corrosion inhibitor load structure and the water-based paint for 3 hours for coating an anticorrosive coating part. By a hollow silica microspheres load corrosion inhibitor, direct contact of the corrosion inhibitor and the paint is avoided; the adding amount of the corrosion inhibitor can be improved in a manner of improving the amount of the silica microspheres load structure in application, so that the content of the corrosion inhibitor in a coating is improved; the action time of the corrosion inhibitor is prolonged; and the negative effects on the stability of the paint caused by addition amount of the corrosion inhibitor in the prior art are effectively avoided.
Description
Technical field
The present invention relates to anticorrosive additive technology, particularly to the using method of heavy load amount corrosion inhibiter support structures.
Background technology
The decay resistance of coating is required significantly high by boats and ships anticorrosive paint especially shell anticorrosive paint; the corrosion-inhibiting coatings such as common organic resin coordinate pretreatment layer, priming paint; it is simultaneously introduced the anodic protection agent such as zinc powder, there is good decay resistance in certain thickness situation.But it is strong that organic water-repellent preservation is coated with layer absorbent, Swelling can be produced, it is made to decline for the shielding action of corrosive medium after certain life cycle, therefore need in use for some time to repair and be heavily coated with to ensure the properly functioning of boats and ships, so that corrosion inhibitor assists to improve the decay resistance of coating, but directly corrosion inhibitor is joined in coating or coating and easily run off, it is necessary to corrosion inhibitor cladding wherein just can be prevented it to run off by a kind of support structures.Common corrosion inhibiter support structures mostly is loose structure, the amount of its load corrosion inhibiter is limited, thus have impact on the action time of corrosion inhibiter, the present invention adopts the silicon dioxide microsphere of hollow structure to carry out corrosion inhibiter load, it is effectively increased the load capacity of corrosion inhibiter, extends corrosion inhibiter action time in coating.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes deficiency of the prior art, it is provided that the using method of a kind of heavy load amount corrosion inhibiter support structures.
For solving technical problem, the solution of the present invention is:
Thering is provided the using method of a kind of heavy load amount corrosion inhibiter support structures, be added to the water paint of 100 mass parts by the heavy load amount corrosion inhibiter support structures of 3～30 mass parts, mix and blend is after 3 hours, for the coating for anticorrosive coating position；
The concrete preparation process of described heavy load amount corrosion inhibiter support structures includes:
(1) under the stirring condition of 200r/min, 100 mass parts water add the salt acid for adjusting pH value of 0.1 mol/L between 3～5；Then solution is heated to 50 DEG C, adds 10～15 mass parts cerous nitrate mix homogeneously, add 1 mass parts absolute ethyl alcohol and stirring 0.5h；
(2) in polystyrene (PS) microsphere emulsion dispersion to dehydrated alcohol, the PS microsphere dispersion liquid that concentration is 0.2g/L will be obtained；Take 50ml dispersion liquid, add 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethanol, stir under room temperature；Then in mixture, add 1ml ammonia, after continuously stirred 0.5 hour, be added dropwise over 0.4ml tetraethyl orthosilicate, after reacting 4h under room temperature, terminate reaction；At room temperature dry after reactant liquor sucking filtration repeatedly, cleaning, and the powder body obtained is put in baking oven, be warming up to 550 DEG C with the programming rate of 5 DEG C/min, after insulation 2h, obtain hollow silica microsphere；
(3) under 500r/min stirring condition, the hollow silica microsphere in 10 mass parts steps (2) is joined in step (1) gained solution, mix and blend 3 hours at 80 DEG C；
(4) by the mixed solution centrifugation of step (3) gained, precipitum with after washing with alcohol 4 times at 80 DEG C of oven dryings, obtain heavy load amount corrosion inhibiter support structures.
In the present invention, described polystyrene microsphere emulsion is analytical pure, and microsphere diameter is 1-3 μm, and emulsion concentration is 5% mass parts；Described cetyl trimethylammonium bromide powder is analytical pure；Described tetraethyl orthosilicate purity is 99.8%.
In the present invention, described cerous nitrate molecular formula is CeNO3·6H2O, analytical pure.
Inventive principle describes:
Corrosion inhibiter can constantly consume in coating antiseptic erosion process, thus the amount of corrosion inhibiter determines the corrosion-resistant cycle of coating.In general coating antiseptic technology, corrosion inhibiter is directly added in coating, but the amount of corrosion inhibiter can not add too much, because corrosion inhibiter ion concentration is high, and can generating electrodes reaction.If the excessive stability that will affect coating of addition, be typically in anticorrosive paint add amount in 0.001mol/L concentration range (about about one thousandth).And the present invention adopts hollow silica microsphere load corrosion inhibiter, avoid corrosion inhibiter to contact with the direct of coating, when coating is prepared into coating and is soaked in the corrosive liquids such as sea water, corrosion inhibiter can be diffused in coating its corrosion inhibition by the microcellular structure of silicon dioxide microsphere shell, as long as the amount improving silicon dioxide microsphere support structures can improve the addition of corrosion inhibiter, pass through the method, the content of corrosion inhibiter (cerous nitrate) can be increased to about 5 percent, improve corrosion inhibiter content in the coating, thus improving the time of corrosion inhibiter effect.
Compared with prior art, the method have the advantages that
The present invention adopts hollow silica microsphere load corrosion inhibiter, avoid corrosion inhibiter to contact with the direct of coating, the addition of corrosion inhibiter in use can be improved by improving the mode of silicon dioxide microsphere support structures amount, and then improve corrosion inhibiter content in the coating, extend the time improving corrosion inhibiter effect.The present invention efficiently solves the excessive negative effect to paint stability of corrosion inhibiter addition in prior art.
Detailed description of the invention
In the present invention, described polystyrene (PS) microsphere emulsion, tetraethyl orthosilicate, cetyl trimethylammonium bromide and cerous nitrate are commercial products.Such as, namely the PS microsphere emulsion in following embodiment has selected Aladdin (Shanghai) chemical reagent company limited, and production code member is P107775；Cetyl trimethylammonium bromide is Aladdin (Shanghai) chemical reagent company limited, production code member H108983；Tetraethyl orthosilicate is Jiangsu Yong Hua Chemical Co., Ltd. product, purity 99.7%.Cerous nitrate is Aladdin chemical reagent company limited of the U.S., six water cerous nitrates, purity 99.5%.
Below by way of example, the present invention is further described.
Embodiment 1
The preparation of heavy load amount corrosion inhibiter support structures:
(1) under the stirring condition of 200r/min, 100 mass parts water add the hydrochloric acid conditioning solution pH value of 0.1 mol/L between 3；Then solution is heated to 50 DEG C, adds 10 mass parts cerous nitrate mix homogeneously, add 1 mass parts absolute ethyl alcohol and stirring 0.5h；
(2) in polystyrene (PS) microsphere emulsion dispersion to dehydrated alcohol, the PS microsphere dispersion liquid that concentration is 0.2g/L will be obtained.Take 50ml dispersion liquid, add 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethanol, stir under room temperature.Then in solution, add 1ml ammonia, after continuously stirred 0.5 hour, dropwise dropping 0.4ml tetraethyl orthosilicate, reaction is terminated after reacting 4h under room temperature, dry under room temperature after reactant liquor sucking filtration repeatedly, cleaning, the powder body obtained is put in high temperature oven, is warming up to 550 DEG C with the programming rate of 5 DEG C/min, obtains hollow silica microsphere after insulation 2h.
(3) hollow silica microsphere in 10 mass parts steps (2) is joined in the solution of step (1) under 500r/min stirring condition, mix and blend 3 hours at 80 DEG C；
(4) solution centrifugal of step (3) gained is separated, precipitum with after washing with alcohol 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:
Being added to the water paint of 100 mass parts by the heavy load amount corrosion inhibiter support structures of 3 mass parts, mix and blend is after 3 hours, for the coating for anticorrosive coating position.
Embodiment 2
The preparation of heavy load amount corrosion inhibiter support structures:
(1) under the stirring condition of 200r/min, 100 mass parts water add the hydrochloric acid conditioning solution pH value of 0.1 mol/L between 4；Then solution is heated to 50 DEG C, adds 12 mass parts cerous nitrate mix homogeneously, add 1 mass parts absolute ethyl alcohol and stirring 0.5h；
(2) in polystyrene (PS) microsphere emulsion dispersion to dehydrated alcohol, the PS microsphere dispersion liquid that concentration is 0.2g/L will be obtained.Take 50ml dispersion liquid, add 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethanol, stir under room temperature.Then in solution, add 1ml ammonia, after continuously stirred 0.5 hour, dropwise dropping 0.4ml tetraethyl orthosilicate, reaction is terminated after reacting 4h under room temperature, dry under room temperature after reactant liquor sucking filtration repeatedly, cleaning, the powder body obtained is put in high temperature oven, is warming up to 550 DEG C with the programming rate of 5 DEG C/min, obtains hollow silica microsphere after insulation 2h.
(3) hollow silica microsphere in 10 mass parts steps (2) is joined in the solution of step (1) under 500r/min stirring condition, mix and blend 3 hours at 80 DEG C；
(4) solution centrifugal of step (3) gained is separated, precipitum with after washing with alcohol 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:
Being added to the water paint of 100 mass parts by the heavy load amount corrosion inhibiter support structures of 15 mass parts, mix and blend is after 3 hours, for the coating for anticorrosive coating position.
Embodiment 3
The preparation of heavy load amount corrosion inhibiter support structures:
(1) under the stirring condition of 200r/min, 100 mass parts water add the hydrochloric acid conditioning solution pH value of 0.1 mol/L between 5；Then solution is heated to 50 DEG C, adds 15 mass parts cerous nitrate mix homogeneously, add 1 mass parts absolute ethyl alcohol and stirring 0.5h；
(2) in polystyrene (PS) microsphere emulsion dispersion to dehydrated alcohol, the PS microsphere dispersion liquid that concentration is 0.2g/L will be obtained.Take 50ml dispersion liquid, add 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethanol, stir under room temperature.Then in solution, add 1ml ammonia, after continuously stirred 0.5 hour, dropwise dropping 0.4ml tetraethyl orthosilicate, reaction is terminated after reacting 4h under room temperature, dry under room temperature after reactant liquor sucking filtration repeatedly, cleaning, the powder body obtained is put in high temperature oven, is warming up to 550 DEG C with the programming rate of 5 DEG C/min, obtains hollow silica microsphere after insulation 2h.
(3) hollow silica microsphere in 10 mass parts steps (2) is joined in the solution of step (1) under 500r/min stirring condition, mix and blend 3 hours at 80 DEG C；
(4) solution centrifugal of step (3) gained is separated, precipitum with after washing with alcohol 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:
Being added to the water paint of 100 mass parts by the heavy load amount corrosion inhibiter support structures of 30 mass parts, mix and blend is after 3 hours, for the coating for anticorrosive coating position.
Claims (3)
1. the using method of a heavy load amount corrosion inhibiter support structures, it is characterised in that being added to the water paint of 100 mass parts by the heavy load amount corrosion inhibiter support structures of 3～30 mass parts, mix and blend is after 3 hours, for the coating for anticorrosive coating position；
The concrete preparation process of described heavy load amount corrosion inhibiter support structures includes:
(1) under the stirring condition of 200r/min, 100 mass parts water add the salt acid for adjusting pH value of 0.1 mol/L between 3～5；Then solution is heated to 50 DEG C, adds 10～15 mass parts cerous nitrate mix homogeneously, add 1 mass parts absolute ethyl alcohol and stirring 0.5h；
(2) in polystyrene microsphere emulsion dispersion to dehydrated alcohol, the PS microsphere dispersion liquid that concentration is 0.2g/L will be obtained；Take 50ml dispersion liquid, add 0.25g cetyl trimethylammonium bromide powder, 8ml deionized water and 12ml ethanol, stir under room temperature；Then in mixture, add 1ml ammonia, after continuously stirred 0.5 hour, be added dropwise over 0.4ml tetraethyl orthosilicate, after reacting 4h under room temperature, terminate reaction；At room temperature dry after reactant liquor sucking filtration repeatedly, cleaning, and the powder body obtained is put in baking oven, be warming up to 550 DEG C with the programming rate of 5 DEG C/min, after insulation 2h, obtain hollow silica microsphere；
(3) under 500r/min stirring condition, the hollow silica microsphere in 10 mass parts steps (2) is joined in step (1) gained solution, mix and blend 3 hours at 80 DEG C；
(4) by the mixed solution centrifugation of step (3) gained, precipitum with after washing with alcohol 4 times at 80 DEG C of oven dryings, obtain heavy load amount corrosion inhibiter support structures.
2. method according to claim 1, it is characterised in that described polystyrene microsphere emulsion is analytical pure, and microsphere diameter is 1-3 μm, emulsion concentration is 5% mass parts；Described cetyl trimethylammonium bromide powder is analytical pure；Described tetraethyl orthosilicate purity is 99.8%.
3. method according to claim 1, it is characterised in that described cerous nitrate molecular formula is CeNO3 6H2O, analytical pure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610299008.1A CN105802309B (en) | 2016-05-07 | 2016-05-07 | The application method of heavy load amount corrosion inhibiter support structures |
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| CN201610299008.1A CN105802309B (en) | 2016-05-07 | 2016-05-07 | The application method of heavy load amount corrosion inhibiter support structures |
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| CN105802309A true CN105802309A (en) | 2016-07-27 |
| CN105802309B CN105802309B (en) | 2018-06-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380532A (en) * | 2016-08-17 | 2017-02-08 | 常熟理工学院 | A preparing method of a controllable long-acting slow-release sodium nitrite corrosion inhibitor microcapsule |
| CN106634580A (en) * | 2017-01-10 | 2017-05-10 | 滁州职业技术学院 | Compound fluorosilicone-polyaniline aqueous coating applied to long-acting corrosion inhibition and prevention of electric power fittings and preparation method thereof |
| CN113215576A (en) * | 2021-06-22 | 2021-08-06 | 中国石油大学(华东) | Preparation method and application of rare earth doped silicon dioxide intelligent corrosion inhibition system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277624A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Mildew-proof bactericidal self-cleaning waterproof coating and preparation method thereof |
| CN104629071A (en) * | 2015-02-03 | 2015-05-20 | 中南大学 | Preparation method of polyaniline hollow microspheres with rare earth cerium ions loaded on surfaces |
-
2016
- 2016-05-07 CN CN201610299008.1A patent/CN105802309B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277624A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Mildew-proof bactericidal self-cleaning waterproof coating and preparation method thereof |
| CN104629071A (en) * | 2015-02-03 | 2015-05-20 | 中南大学 | Preparation method of polyaniline hollow microspheres with rare earth cerium ions loaded on surfaces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380532A (en) * | 2016-08-17 | 2017-02-08 | 常熟理工学院 | A preparing method of a controllable long-acting slow-release sodium nitrite corrosion inhibitor microcapsule |
| CN106634580A (en) * | 2017-01-10 | 2017-05-10 | 滁州职业技术学院 | Compound fluorosilicone-polyaniline aqueous coating applied to long-acting corrosion inhibition and prevention of electric power fittings and preparation method thereof |
| CN113215576A (en) * | 2021-06-22 | 2021-08-06 | 中国石油大学(华东) | Preparation method and application of rare earth doped silicon dioxide intelligent corrosion inhibition system |
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Granted publication date: 20180608 Termination date: 20210507 |