CN105907240B - A kind of water corrosion-resistant epoxy paint and preparation method thereof containing anti-flash rusting agent - Google Patents
A kind of water corrosion-resistant epoxy paint and preparation method thereof containing anti-flash rusting agent Download PDFInfo
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- CN105907240B CN105907240B CN201610318745.1A CN201610318745A CN105907240B CN 105907240 B CN105907240 B CN 105907240B CN 201610318745 A CN201610318745 A CN 201610318745A CN 105907240 B CN105907240 B CN 105907240B
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- corrosion
- flash rusting
- paint
- rusting agent
- water
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
- C08G59/623—Aminophenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
-
- 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
- C09D7/63—Additives non-macromolecular organic
Abstract
The invention discloses a kind of water corrosion-resistant epoxy paints containing anti-flash rusting agent, by mass percentage by component: aqueous epoxy resins are 43~47%, anti-corrosion paint is 5~6%, corrosion inhibiter is 2~3%, filler is 3~5%, water is 38~40%, and anti-flash rusting agent is 0.5~2%, and aqueous epoxy curing agent is 0.5~2% composition.Raw material sources of the present invention are wide, easy to operate, and anti-flash rusting agent effect is more preferable compared with the performance of some anti-flash rusting agent on the market.It solves some anti-flash rusting agent common problems on the market, while cooperating the effect of traditional anti-corrosion paint, the anti-corrosion effect in later period is also relatively good.The invention also discloses a kind of preparation methods of water corrosion-resistant epoxy paint containing anti-flash rusting agent.
Description
Technical field
The invention belongs to chemical anticorrosion paint fields, and in particular to one kind containing anti-flash rusting agent water corrosion-resistant epoxy paint and
Preparation method.
Background technique
A large amount of VOC can be released in coating processing and production process, to cause the pollution of environment, and can be right
The health of construction personnel causes damages.Currently, in order to control environmental pollution, China has formulated a series of policy limitation solvents
The environmental protection coating material using low VOC or Diamond Search is advocated in the application of type coating.In many Environment-friendlyanti-corrosive anti-corrosive paints, water paint is
Solve the important directions of environmental issue.However, water paint is very big compared with solvent based coating difference, the anti-corrosion energy of water paint is improved
Power is the key that develop at present.
In water-based anticorrosive paint field, on the one hand due to the continuous development of water-base resin, the property of film is improved.Separately
On the one hand, the use of anticorrosive packing is cooperated to can effectively improve the anti-corrosion ability of water paint.Although current water-based anticorrosive paint
Performance is greatly improved, but will appear a series of problems unavoidably in water paint, wherein the most serious is exactly steel
Iron meets water and flash rusting problem occurs.
The substrates such as steel directly coat water paint, will appear flash rusting problem in the drying process of film.The shape of flash rusting
At related with the decentralized medium of water paint, current paint field uses ordinary tap water when preparing coating, applies in this way
Material just will form an electrolyte, and coating is coated on the substrates such as steel plate, just will form primary battery, and electrochemical corrosion occurs,
To just will form flash rusting.
For solve the problems, such as flash rusting this, anti-flash rusting agent is added in those skilled in the art in water paint so that apply
When material is coated in the substrate surfaces such as steel, these anti-flash rusting agent will form one layer of passivating film in substrate surface, to avoid the formation of
Primary battery then prevents flash rusting problem.But current market sales of anti-flash rusting agent kind is limited, while anti-flash rusting agent to
Amount is very sensitive, in use if grasping the dosage of bad anti-flash rusting agent not but not playing the role of anti-flash rusting, instead
And flash rusting can be promoted, therefore resulted in the very big difficulty in construction.In addition, at present the preferably anti-flash rusting agent of some effects by
It is more toxic in it, the damage to environment and human body is larger, does not meet the requirement of environmental protection.So needing to research and develop in a hurry a kind of novel
It is pollution-free, work well and the anti-flash rusting agent of convenient construction.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems of the prior art and defect, provide one kind and contain anti-sudden strain of a muscle
The water corrosion-resistant epoxy paint of rust agent.
The present invention is by the way that using aqueous epoxy resins and aqueous epoxy curing agent as main film forming substance, addition contains nitro
Benzene ring compound be anti-flash rusting agent, realize the anti-flash rusting ability of film of effectively improving, and the benzene ring compound containing nitro
It is a kind of anti-flash rusting agent of environment-friendly type, while insensitive to dosage, will not causes film anti-because of the small difference of additional amount
The variation of flash rusting ability.It is equipped with traditional anti-corrosion paint again, keeps paint film later period anti-corrosion capability also relatively high.The present invention with emphasis on
In ratio and preparation process by adjusting each component, realize that coating of the invention has stronger anti-flash rusting and high temperature resistant, resistance to
Sour, alkaline-resisting, organic solvent-resistant ability, adhesive force reach 1 grade, while convenient construction, preparing simple, pollution-free, are a kind of rings
The water-based anticorrosive paint of guarantor's type.
To reach above-mentioned target, the technical solution adopted by the present invention is that:
One kind contain anti-flash rusting agent water corrosion-resistant epoxy paint, by mass percentage by aqueous epoxy resins be 43~
47%, anti-corrosion paint is 5~6%, and corrosion inhibiter is 2~3%, and filler is 3~5%, and water is 38~40%, and anti-flash rusting agent is 0.5
~2%, aqueous epoxy curing agent is 0.5~2% composition；The wherein molecular characterization of the aqueous epoxy curing agent are as follows:
R1—COO_
Wherein, R, R1It is 1-15 carbon atom for alkyl.
The structural formula of corrosion inhibiter described above are as follows:
Wherein, X=SH, R=C1~C5。
The mixture that anti-corrosion paint described above is trbasic zinc phosphate, aluminum phosphate mass ratio is 3:1.
The structural formula of anti-flash rusting agent described above are as follows:
Wherein R is H or C1-C10。
Filler described above is one of coarse whiting, wollastonite in powder, mica, talcum powder, kaolin, dolomite or a variety of
The composition of any mass ratio.
Filler described above is preferably mica and talcum powder is mica in mass ratio: talcum powder=2:1 mixture.
To achieve the above object, the preparation method that the present invention contains anti-flash rusting agent water corrosion-resistant epoxy paint is:
(1) aqueous epoxy resins in component, anti-corrosion paint, corrosion inhibiter, filler, anti-sudden strain of a muscle will be matched according to mass percent
Rust agent and water are mixed, and are stirred evenly, and are obtained component A homogenate, are placed at room temperature for.
(2) aqueous epoxy curing agent in proportion component is weighed according to mass percent, as B component, Room-temperature seal is protected
It deposits.
A kind of application method of corrosion-resistant epoxy paint containing anti-flash rusting agent of the invention, step is:
When in use, the component A that preparation method step (1) obtains and the B component that step (2) obtains are mixed, is stirred
Uniformly then coating is mixed, again in 150 DEG C of maintenance 1h after solidification 1h at 30 DEG C.
Compared with prior art, the present invention possessed feature and beneficial effect are mainly:
1, find that a kind of benzene ring compound containing nitro of environmental protection as anti-flash rusting agent, can be effectively improved water-base epoxy
Coating initial stage causes the flash rusting problem of substrate.
2, with the use of traditional anti-corrosion paint, so that resulting coating result is good.
3, easy to operate, raw material is easy to get, greatly reduces the production cost of coating.
Specific embodiment:
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate and do not have to
In limiting the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art can be with
The present invention is made various changes or modifications, such equivalent forms equally fall within model defined by the depended on claims of the application
It encloses.
Embodiment 1
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application
1, it prepares component A: the aqueous epoxy resins in composition, anti-corrosion paint, inhibition will be matched according to mass percent
Agent, filler, anti-flash rusting agent and water are mixed, and are stirred evenly, are obtained the homogenate of component A, are placed at room temperature for preservation.
2, it prepares B component: weighing the aqueous epoxy curing agent in proportion composition according to mass percent, as B component,
Room-temperature seal saves.
3, when in use, component A and B component are sufficiently mixed, stirred evenly, then coating, is solidified at 30 DEG C
Again in 150 DEG C of maintenance 1h after 1h.
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected, and is applied
Layer salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 500h, and 2 grades of adhesive force, coating heatproof is up to 310 DEG C.
Embodiment 2
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected, and is applied
Layer salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 550h, and adhesion 1 grade, coating heatproof is up to 350 DEG C.
Embodiment 3
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected, and is applied
Layer salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 600h, and 2 grades of adhesive force, coating heatproof is up to 460 DEG C.
Embodiment 4
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected, and is applied
Layer salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 650h, and adhesion 1 grade, coating heatproof is up to 500 DEG C.
Embodiment 5
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected, and is applied
Layer salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 700h, and adhesion 1 grade, coating heatproof is up to 550 DEG C.
Embodiment 6
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected, and is applied
Layer salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 800h, and adhesion 1 grade, coating heatproof is up to 500 DEG C.
Embodiment 7
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, is not occurred flash rusting within 3~5 days, is tested and detected,
Coating salt spray resistance, which is tested, there is a small amount of corrosion lesion up to 1000h, and adhesion 1 grade, coating heatproof is up to 550 DEG C.
Embodiment 8
One, the formula of composition
1, the mixture of anti-corrosion paint, filler is prepared respectively in mass ratio.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The obtained coating of the present embodiment is coated on cold-rolled steel sheet, does not occur within 3~5 days flash rusting, and coating salt spray resistance is real
It tests and a small amount of corrosion lesion occurs up to 900h, adhesion 1 grade, coating heatproof is up to 500 DEG C.
The above is only a preferred embodiment of the present invention, it should be pointed out that: those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (2)
1. a kind of water corrosion-resistant epoxy paint containing anti-flash rusting agent, which is characterized in that by mass percentage by component: aqueous ring
Oxygen resin is 43~47%, and anti-corrosion paint is 5~6%, and corrosion inhibiter is 2~3%, and filler is 3~5%, and water is 38~40%, is prevented
Flash rusting agent is 0.5~2%, and aqueous epoxy curing agent is 0.5~2% composition；The wherein molecule of the aqueous epoxy curing agent
Structure feature are as follows:
Wherein, R, R1It is 1-15 carbon atom for alkyl；
The inhibitor structure formula are as follows:
Wherein, X=SH, R=C1~C5；
The anti-corrosion paint is the mixture of trbasic zinc phosphate and aluminum phosphate, mixing mass ratio are as follows: trbasic zinc phosphate: aluminum phosphate=3:1；
The filler is one of coarse whiting, wollastonite in powder, mica, talcum powder, kaolin and dolomite or a variety of any matter
Measure the composition of ratio；
The structural formula of the anti-flash rusting agent are as follows:
Wherein R is H.
2. a kind of preparation method of the water corrosion-resistant epoxy paint according to claim 1 containing anti-flash rusting agent, feature
It is to include the following steps:
(1) according to mass percent by composition aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent and
Water is mixed, stirring, is obtained component A homogenate, is placed at room temperature for；
(2) aqueous epoxy curing agent in composition is weighed according to mass percent, as B component, Room-temperature seal is saved；
(3) it in use, the component A and B component that step (1) and step (2) obtain are mixed, stirs evenly, then coating,
Again in 150 DEG C of maintenance 1h after solidification 1h at 30 DEG C.
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| CN201610318745.1A CN105907240B (en) | 2016-05-13 | 2016-05-13 | A kind of water corrosion-resistant epoxy paint and preparation method thereof containing anti-flash rusting agent |
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| CN201610318745.1A CN105907240B (en) | 2016-05-13 | 2016-05-13 | A kind of water corrosion-resistant epoxy paint and preparation method thereof containing anti-flash rusting agent |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106590325B (en) * | 2016-11-14 | 2019-08-16 | 河北晨阳工贸集团有限公司 | Aqueous organic-inorganic anticorrosive paint and preparation method containing aromatic curing agent |
| CN108610881A (en) * | 2016-12-07 | 2018-10-02 | 中国石油天然气集团公司 | Aqueous heavy anti-corrosion paint and preparation method thereof |
| CN107189625A (en) * | 2017-06-08 | 2017-09-22 | 江苏科技大学 | A kind of water-base epoxy fire-resistant anticorrosion paint of metal ion crosslinked and preparation method thereof |
| CN107325681A (en) * | 2017-06-08 | 2017-11-07 | 江苏科技大学 | A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof |
| CN110746849B (en) * | 2019-10-17 | 2021-08-10 | 江苏科技大学 | Hydrogen sulfide corrosion-resistant water-based coating composition and preparation method and application thereof |
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| CN105255310A (en) * | 2015-10-08 | 2016-01-20 | 江苏科技大学 | Ceramic corrosion-preventive and abrasion-resistant coating composition containing corrosion inhibitor and preparation method thereof |
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| JP5099402B2 (en) * | 2006-04-05 | 2012-12-19 | Ｄｉｃ株式会社 | Water-based epoxy resin composition |
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Effective date of registration: 20200413 Address after: 213000 Xin'an village, Hengshan Town, Wujin District, Jiangsu, Changzhou Patentee after: Changzhou Huaxing anticorrosive material Co., Ltd Address before: Meng Xi Road 212003 Zhenjiang city of Jiangsu province Jingkou District No. 2 Patentee before: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY |
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