CN105802310B - The application method of inexpensive corrosion inhibiter support structures - Google Patents
The application method of inexpensive corrosion inhibiter support structures Download PDFInfo
- Publication number
- CN105802310B CN105802310B CN201610299018.5A CN201610299018A CN105802310B CN 105802310 B CN105802310 B CN 105802310B CN 201610299018 A CN201610299018 A CN 201610299018A CN 105802310 B CN105802310 B CN 105802310B
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- Prior art keywords
- support structures
- mass parts
- corrosion inhibiter
- added
- coating
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Classifications
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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
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to anticorrosive additive technologies, it is desirable to provide a kind of application method of low cost corrosion inhibiter support structures.This method is that the tripolite loading inhibitor structure of 10 mass parts is added into the water paint of 100 mass parts, after being mixed 3 hours, for being directed to the coating at anticorrosive coating position.The present invention, as porous support structures, is avoided corrosion inhibiter and contacted with the direct of coating, can improve the content of corrosion inhibiter to 3 percent or so using natural minerals diatomite.Load matrix in inexpensive corrosion inhibiter support structures is diatomite, is a kind of natural minerals, has preferable pore size distribution$, is well suited for using directly as support structures, avoids the preparation process of porous support structures complexity.Diatomite is cheap, thus significantly reduces the cost of raw material of support structures, is suitble to industrially largely use and promote.
Description
Technical field
The present invention relates to anticorrosive additive technologies of preparing, in particular to the user for inexpensive 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 corrosion inhibitor is needed to assist the corrosion resistance of raising coating, but directly adds 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,
On the other hand, it is dispersed in corrosion inhibitor in coating or coating, then need corrosion inhibitor support structures in coating
Or there is good dispersibility in coating.
Currently, conventionally used porous support structures are porous silica microballoon or poriferous titanium dioxide, these material systems
Standby technics comparing is complicated, needs to be filtered for multiple times, dry, and technique requires height, and production efficiency is lower, thus, higher cost.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, it is negative to provide a kind of inexpensive corrosion inhibiter
Carry the application method of structure.
In order to solve the technical problem, solution of the invention is:
A kind of application method of inexpensive corrosion inhibiter support structures is provided, is by the tripolite loading corrosion inhibiter of 10 mass parts
Structure is added into the water paint of 100 mass parts, after being mixed 3 hours, for being directed to the coating at anticorrosive coating position；
The specific preparation step of the low cost corrosion inhibiter support structures includes:
(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 3~5；Then solution is heated to 50 DEG C, 10~15 mass parts cerous nitrates is added and are uniformly mixed, add 1 matter
Amount part absolute ethyl alcohol and stirring 0.5 hour；
(2) 10 mass parts analysis pure silicon diatomaceous earth is added in the solution of step (1) under 500r/min stirring condition, is mixed
Close stirring 3 hours；
(3) mixture obtained by step (2) is centrifugated, with after 80 DEG C of oven dryings, taking-up is ground after ethanol washing 4 times
Honed 200 mesh obtains inexpensive corrosion inhibiter support structures.
In the present invention, the diatomite is to analyze pure, fineness 1-3mm.
In the present invention, the cerous nitrate is CeNO3·6H2O is analyzed pure.
Inventive principle description:
Corrosion inhibiter (cerous nitrate) can be consumed constantly during coating antiseptic loses, thus the amount of corrosion inhibiter determines coating
The corrosion-resistant period.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 corrosion inhibiter ion concentration is high, and electrode reaction can occur.If the excessive stability that will will affect coating of additional amount, generally anti-
The amount being added in rotten coating is in 0.001mol/L concentration range (about one thousandth or so).
Influence of the excessive corrosion inhibiter addition to the stability of coating can avoid using porous structure load corrosion inhibiter, but more
Hole support structures (such as porous silica microballoon, TiO 2 porous microspheres) preparation process is complicated, technique requires stringent, yield
It is low, therefore price is higher.Diatomite is a kind of silicon ore of porous structure, is distributed widely in China East China, the Northeast, and price is low
Honest and clean, the present invention is that raw material prepares corrosion inhibiter support structures with natural porous mineral (diatomite), cost is significantly reduced, in this base
On plinth, avoid corrosion inhibiter directly with coating contacts and the de-stabilising effect caused by coating.
Compared with existing technology of preparing, the invention has the following advantages:
The present invention, as porous support structures, is avoided corrosion inhibiter and the direct of coating connects using natural minerals diatomite
Touching, can improve the content of corrosion inhibiter to 3 percent or so.
Load matrix in low cost corrosion inhibiter support structures prepared by the present invention is diatomite, is a kind of natural minerals,
With preferable pore size distribution$, it is well suited for using directly as support structures, avoids the preparation of porous support structures complexity
Process.Diatomite is cheap, thus significantly reduces the cost of raw material of support structures, is suitble to industrially largely use and push away
Extensively.
Specific embodiment
In the present invention, the diatomite and cerous nitrate are commercial products.For example, the diatomite in following embodiments selects
With the fine products factory of Shengzhou East Zhejiang province diatomite.Cerous nitrate is U.S.'s Aladdin industrial group, cerium nitrate hexahydrate, purity
99.5%.
The present invention will be further described below by way of example.
Embodiment 1
(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 0.5 hour；
(2) 10 mass parts analysis pure silicon diatomaceous earth is added in the solution of step (1) under 500r/min stirring condition, is mixed
Close stirring 3 hours；
(3) mixture obtained by step (2) is centrifugated, with after 80 DEG C of oven dryings, taking-up is ground after ethanol washing 4 times
Honed 200 mesh, obtains tripolite loading inhibitor structure.
The application method of inexpensive corrosion inhibiter support structures:
The tripolite loading inhibitor structure of 10 mass parts is added into the water paint of 100 mass parts, is mixed 3
Hour.
Embodiment 2
(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 0.5 hour；
(2) 10 mass parts analysis pure silicon diatomaceous earth is added in the solution of step (1) under 500r/min stirring condition, is mixed
Close stirring 3 hours；
(3) mixture obtained by step (2) is centrifugated, with after 80 DEG C of oven dryings, taking-up is ground after ethanol washing 4 times
Honed 200 mesh, obtains tripolite loading inhibitor structure.
The application method of inexpensive corrosion inhibiter support structures:
The tripolite loading inhibitor structure of 10 mass parts is added into the water paint of 100 mass parts, is mixed 3
Hour.
Embodiment 3
(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 0.5 hour；
(2) 10 mass parts analysis pure silicon diatomaceous earth is added in the solution of step (1) under 500r/min stirring condition, is mixed
Close stirring 3 hours；
(3) mixture obtained by step (2) is centrifugated, with after 80 DEG C of oven dryings, taking-up is ground after ethanol washing 4 times
Honed 200 mesh, obtains tripolite loading inhibitor structure.
The application method of inexpensive corrosion inhibiter support structures:
The tripolite loading inhibitor structure of 10 mass parts is added into the water paint of 100 mass parts, is mixed 3
Hour.
Claims (1)
1. a kind of application method of low cost corrosion inhibiter support structures, which is characterized in that be by the tripolite loading of 10 mass parts
Inhibitor structure is added into the water paint of 100 mass parts, after being mixed 3 hours, for for anticorrosive coating position
Coating；
The specific preparation step of the low cost corrosion inhibiter support structures includes:
(1) under the stirring condition of 200r/min, be added in 100 mass parts water the salt acid for adjusting pH value of 0.1 mol/L 3 ~
Between 5；Then solution is heated to 50 DEG C, 10 ~ 15 mass parts cerous nitrates is added and are uniformly mixed, add the anhydrous second of 1 mass parts
Alcohol stirs 0.5 hour；
(2) 10 mass parts analysis pure silicon diatomaceous earth is added in the solution of step (1) under 500r/min stirring condition, mixing is stirred
It mixes 3 hours；
(3) mixture obtained by step (2) is centrifugated, with after 80 DEG C of oven dryings, taking out ground after ethanol washing 4 times
200 meshes obtain inexpensive corrosion inhibiter support structures；
The diatomite is to analyze pure, fineness 1-3mm；The cerous nitrate molecular formula is Ce(NO3)3·6H2O is analyzed pure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610299018.5A CN105802310B (en) | 2016-05-07 | 2016-05-07 | The application method of inexpensive corrosion inhibiter support structures |
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|---|---|---|---|
| CN201610299018.5A CN105802310B (en) | 2016-05-07 | 2016-05-07 | The application method of inexpensive corrosion inhibiter support structures |
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| CN105802310A CN105802310A (en) | 2016-07-27 |
| CN105802310B true CN105802310B (en) | 2019-01-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993906A (en) * | 2012-11-28 | 2013-03-27 | 天长市开林化工有限公司 | Waterborne epoxy antirust paint and preparation method |
| JP2014200997A (en) * | 2013-04-04 | 2014-10-27 | 三菱重工鉄構エンジニアリング株式会社 | Heavy-duty corrosion protection coating structure and method for a metallic material |
| CN104178023A (en) * | 2014-08-27 | 2014-12-03 | 舟山市恒泰漆业有限责任公司 | Tough self-repair metal anti-corrosion paint and preparation method thereof |
| CN104356869A (en) * | 2014-11-19 | 2015-02-18 | 上海电力学院 | Polyaniline/manganic oxide epoxy composite corrosion-resistant coating and preparation method thereof |
| CN104962174A (en) * | 2015-07-12 | 2015-10-07 | 李福军 | Water-based anti-corrosion paint and preparing method of water-based anti-corrosion paint |
| CN105504936A (en) * | 2015-12-20 | 2016-04-20 | 浙江大学自贡创新中心 | Using method of montmorillonite sheet layer load structure used for covering corrosion inhibitor |
-
2016
- 2016-05-07 CN CN201610299018.5A patent/CN105802310B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993906A (en) * | 2012-11-28 | 2013-03-27 | 天长市开林化工有限公司 | Waterborne epoxy antirust paint and preparation method |
| JP2014200997A (en) * | 2013-04-04 | 2014-10-27 | 三菱重工鉄構エンジニアリング株式会社 | Heavy-duty corrosion protection coating structure and method for a metallic material |
| CN104178023A (en) * | 2014-08-27 | 2014-12-03 | 舟山市恒泰漆业有限责任公司 | Tough self-repair metal anti-corrosion paint and preparation method thereof |
| CN104356869A (en) * | 2014-11-19 | 2015-02-18 | 上海电力学院 | Polyaniline/manganic oxide epoxy composite corrosion-resistant coating and preparation method thereof |
| CN104962174A (en) * | 2015-07-12 | 2015-10-07 | 李福军 | Water-based anti-corrosion paint and preparing method of water-based anti-corrosion paint |
| CN105504936A (en) * | 2015-12-20 | 2016-04-20 | 浙江大学自贡创新中心 | Using method of montmorillonite sheet layer load structure used for covering corrosion inhibitor |
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| CN105802310A (en) | 2016-07-27 |
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