CN106675313A - Water-based anticorrosive coating and preparation method thereof - Google Patents
Water-based anticorrosive coating and preparation method thereof Download PDFInfo
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- CN106675313A CN106675313A CN201510764773.1A CN201510764773A CN106675313A CN 106675313 A CN106675313 A CN 106675313A CN 201510764773 A CN201510764773 A CN 201510764773A CN 106675313 A CN106675313 A CN 106675313A
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Abstract
The invention provides a water-based anticorrosive coating and a preparation method thereof, and belongs to the technical field of coatings. The water-based anticorrosive coating comprises the following components in percentage by weight: 10 to 45 percent of a waterborne epoxy resin, 5 to 20 percent of silica gel, 5 to 15 percent of an anticorrosive pigment, 20 to 40 percent of a pigment filler, 0.5 to 5 percent of an auxiliary and 10 to 15 percent of water, wherein the anticorrosive pigment is one or a mixture of multiple, which are freely proportioned, of zinc phosphate, modified zinc phosphate and zinc molybdate; the auxiliary is a mixture of a wetting agent, a dispersant, a coalescing agent, a pH regulator, an antifoaming agent and a theological additive in any proportion. The water-based anticorrosive coating has relatively high bonding strength with a metal, relatively high anticorrosion performance, hardness and chemical resistance and salt fog resistance of 1,000 hours or longer.
Description
Technical field
The invention provides a kind of water-based anticorrosive paint and preparation method thereof, more particularly to a kind of anticorrosive paint comprising aqueous epoxy resins and Ludox, belong to technical field of coatings.
Background technology
Nowadays environmental protection is increasingly taken seriously, and the development of anticorrosive paint will be with pollution-free, nuisanceless, energy saving, economical and efficient as principle, and waterborne metal anti-corrosive paint will replace traditional solvent based coating, will become the main flow of following anticorrosive paint.Aqueous epoxy resins equally have many advantages, such as epoxy resin, such as excellent to metal, cement adhesive force, shrinkage factor is low, and acid and alkali resistance and other solvents, favorable anti-corrosion effect etc., the coating prepared using aqueous epoxy resins can equally reach preferable antiseptic effect.Inorganic silicic acid salt sol is used in zinc-rich coating is prepared as main film forming matter; equally there is excellent antiseptic property; the moisture in alkoxyl absorption air in Ludox concurrently gives birth to hydrolysis; crosslinking curing is securely attached to steel surface and plays a protective role into silicic acid zinc-iron and the double salt of zinc silicate.In addition, it has also been found that the addition of Ludox can greatly improve alkali resistance, hardness, the anti-after tack of high temperature of film in some organic-inorganic compounding coating, but water-base epoxy and Ludox be combined and coordinate anti-corrosion paint to be used to preparing anticorrosive paint and have no report.
The content of the invention
For problem above, the invention provides a kind of water-based anticorrosive paint, includes following component by weight percentage：10 ~ 45% aqueous epoxy resins, 5% ~ 20% Ludox, 5 ~ 15% anti-corrosion paint, 20% ~ 40% color stuffing, 0.5% ~ 5% auxiliary agent and 10% ~ 15% water.Above-mentioned anti-corrosion paint is one or more the arbitrary proportion mixtures in aluminium triphosphate, calcium ion-exchanged pigment, trbasic zinc phosphate, modified zinc phosphate, zinc molybdate；Above-mentioned auxiliary agent is wetting agent, dispersant, coalescents, pH conditioning agents, defoamer, auxiliary rheological agents mixture in any proportion；Above-mentioned color stuffing can be the mixture of one or more arbitrary proportions in iron oxide red, titanium dioxide, barium sulfate, talcum powder, mica powder.The weight of aqueous epoxy resins is 3-5 times of Ludox weight.
Its preparation method is：By aqueous epoxy resins, Ludox, wetting agent, dispersant, coalescents, pH conditioning agents, defoamer and water mixing and stirring；Then anti-corrosion paint and color stuffing are added while stirring, are stirred；Auxiliary rheological agents are added, is stirred, obtain water-based anticorrosive paint.The invention has the beneficial effects as follows：Film forming matter in the water-based anticorrosive paint that the present invention is provided is collectively constituted by aqueous epoxy resins and Ludox, in addition also containing the rust resisting pigment containing zinc salt, silica sol particle reacts with the particle containing zinc salt, form the space network of Si-O keys, simultaneously Ludox can also occur bonding action with iron and steel ground, form the complex compound of silicic acid zinc-iron, so that paint film is firmly attached to steel surface, adhesive force, antiseptic property, hardness and the chemical-resistance of water-based anticorrosive paint and metal are substantially increased, salt fog resistance can exceed that 1000 hours.The coating is applied and can be used for the metal surfaces such as iron and steel, aluminium, plays protective effect well.
Specific embodiment：To make the object, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with specific embodiment.The present embodiment be by following raw material by weight ratio made by：Aqueous epoxy resins 45%, Ludox 9%, trbasic zinc phosphate 1%, modified zinc phosphate 1%, zinc molybdate 1%, aluminium triphosphate 3%, iron oxide red 10%, titanium dioxide 14%, barium sulfate 3%, wetting agent 0.25%, dispersant 0.25%, coalescents 0.5%, pH adjusting agent 0.5%, defoamer 0.25%, auxiliary rheological agents 0.25%, water 11%.Embodiment described above, the simply present invention more preferably embodiment, the usual variations and alternatives that those skilled in the art is carried out in the range of technical solution of the present invention all should be comprising within the scope of the present invention.
Claims (5)
1. a kind of water-based anticorrosive paint, includes following component by weight percentage：10 ~ 45% aqueous epoxy resins, 5% ~ 20% Ludox, 5 ~ 15% anti-corrosion paint, 20% ~ 40% color stuffing, 0.5% ~ 5% auxiliary agent and 10% ~ 15% water；Described anti-corrosion paint is trbasic zinc phosphate, modified zinc phosphate, zinc molybdate one or more arbitrary proportion mixtures；Described auxiliary agent is by wetting agent, dispersant, coalescents, pH conditioning agents, defoamer, auxiliary rheological agents mixture in any proportion.
2. water-based anticorrosive paint according to claim 1, it is characterised in that：Described color stuffing is the mixture of one or more arbitrary proportions in iron oxide red, titanium dioxide, barium sulfate, talcum powder, mica powder.
3. water-based anticorrosive paint according to claim 2, it is characterised in that：The arbitrary proportion mixture of any one in described anti-corrosion paint also containing aluminium triphosphate, calcium ion-exchanged pigment or both.
4. water-based anticorrosive paint according to claim 1, it is characterised in that：The weight of aqueous epoxy resins is 3 ~ 5 times of Ludox weight.
5. a kind of method for preparing water-based anticorrosive paint, comprises the following steps：By aqueous epoxy resins, Ludox, wetting agent, dispersant, coalescents, pH adjusting agent, defoamer and water mixing and stirring；Then anti-corrosion paint and color stuffing are added while stirring, are stirred；Auxiliary rheological agents are added, is stirred, obtain water-based anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764773.1A CN106675313A (en) | 2015-11-11 | 2015-11-11 | Water-based anticorrosive coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764773.1A CN106675313A (en) | 2015-11-11 | 2015-11-11 | Water-based anticorrosive coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106675313A true CN106675313A (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510764773.1A Pending CN106675313A (en) | 2015-11-11 | 2015-11-11 | Water-based anticorrosive coating and preparation method thereof |
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| CN (1) | CN106675313A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903767A (en) * | 2017-11-27 | 2018-04-13 | 中科院广州化学有限公司南雄材料生产基地 | A kind of inorganic fluosilicic colloidal sol epoxy composite hybridization coating and preparation method thereof |
| CN108300141A (en) * | 2017-07-04 | 2018-07-20 | 河北晨阳工贸集团有限公司 | Sealing wax and its preparation method and application |
-
2015
- 2015-11-11 CN CN201510764773.1A patent/CN106675313A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108300141A (en) * | 2017-07-04 | 2018-07-20 | 河北晨阳工贸集团有限公司 | Sealing wax and its preparation method and application |
| CN107903767A (en) * | 2017-11-27 | 2018-04-13 | 中科院广州化学有限公司南雄材料生产基地 | A kind of inorganic fluosilicic colloidal sol epoxy composite hybridization coating and preparation method thereof |
| CN107903767B (en) * | 2017-11-27 | 2020-10-16 | 中科院广州化学有限公司南雄材料生产基地 | Inorganic silicon-fluorine sol epoxy composite hybrid coating and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 211219 Hong LAN Industrial Park, drifting water area, Nanjing, Jiangsu Applicant after: Jiangsu champion science and Technology Group Co.,Ltd. Address before: 211219 No. 777 Ping An Road, Hong LAN Industrial Park, Lishui District, Nanjing, Jiangsu. Applicant before: CHAMPION PAINT TECHNOLOGY GROUP CO.,LTD. Address after: 211219 No. 777 Ping An Road, Hong LAN Industrial Park, Lishui District, Nanjing, Jiangsu. Applicant after: CHAMPION PAINT TECHNOLOGY GROUP CO.,LTD. Address before: 211219 No. 777 Ping An Road, Hong LAN Industrial Park, Lishui District, Nanjing, Jiangsu. Applicant before: JIANGSU CHAMPION GROUP PAINT Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
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| WD01 | Invention patent application deemed withdrawn after publication |