CN109439187A - Modified chromium-free Dyclo paint of a kind of graphene and preparation method thereof - Google Patents
Modified chromium-free Dyclo paint of a kind of graphene and preparation method thereof Download PDFInfo
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- CN109439187A CN109439187A CN201811342231.5A CN201811342231A CN109439187A CN 109439187 A CN109439187 A CN 109439187A CN 201811342231 A CN201811342231 A CN 201811342231A CN 109439187 A CN109439187 A CN 109439187A
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- 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
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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
- 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
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Abstract
The invention discloses a kind of modified chromium-free Dyclo paint of graphene, the coating is energy saving, environmentally protective, nuisanceless and environmental pollution, while having high-wearing feature, high corrosion-resistant, good weatherability.The modified chromium-free Dyclo sieve coating of graphene of the invention, be made of following each component: component A is made of coalescing agent, ethylene glycol and deionized water；B component is made of dispersing agent, ethylene glycol, zinc flake aluminium powder, graphene, passivator and deionized water；Component C is thickener and defoaming agent；Wherein the raw material in each component accounts for the mass percent of coating about are as follows: coalescing agent 5%, protective agent 8%, deionized water 43%, dispersing agent 2.4%, zinc powder 16%, aluminium powder 4%, passivator 3.6%, thickener 2%, defoaming agent 20%.
Description
Technical field
The present invention relates to a kind of Dyclo paint and preparation method thereof, reaches more specifically to a kind of modified Chrome-free of graphene
Crow coating and preparation method thereof.
Background technique
In the environment of ocean high humidity and high salt fog, metal erosion is extremely serious, caused by loss be more than it is all from
The summation of right casualty loss.Dacroment is a kind of new anti-corrosion coating to grow up in recent years, with zinc powder, aluminium powder, chromic acid and
Deionized water is main component, is born in late 1950s earliest.Compared with traditional electroplating technology, Dacroment has it
Incomparable advantage: superpower corrosion resisting property, rust-proof effect are 7-10 times of traditional technology or more；It is very suitable without hydrogen brittleness
Close the coating of stressed member；Coating can be with high-temperature corrosion resistance, and heat resisting temperature is up to 300 DEG C or more；Coating has good knot simultaneously
The excellent properties such as conjunction property, high osmosis and nonstaining property.But the surface hardness of Dacroment is not high, wearability is bad, meanwhile, it applies
Containing there is carcinogenesis to the harmful chromium ion of environment and human body, especially hexavalent chromium in layer, in use can
It causes damages to human body and environment.
Dacromet/steel needs new new surface treatment process to occur because haveing the defects that hexavalent chromium.And
And world's every country starts the standard for having promulgated VOC method and car industry in succession, European Union " RoHS " (Restriction of
Hazardous Substances) instruction and " ELV " (End-of-Life Vehicle) instruction only allow conversion film in chromium contain
Amount is no more than 0.1%.Chromium-free Dyclo coating is the new process of surface treatment of one kind that occurs in order to provide.Since Chrome-free reaches
Corrosion inhibiter used in the coating of Crow, and and be not present chromic acid, so Non-chromium Zn-al Coating avoids the danger of chromium sexavalence ion
Evil, is truly realized clean manufacturing.But chromium-free Dyclo coating is there is also hardness, wearability is bad and corrosion resistance is not so good as to reach
The defects of Crow coating, limits the extensive use of chromium-free Dyclo coating.Therefore, be badly in need of developing it is a kind of it is moderate,
Receive modified chromium-free Dyclo paint of extensive graphene and preparation method thereof.
Summary of the invention
The purpose of the present invention is to provide a kind of small fertilizer spreading machines for facilitating regulated fertilization spacing, to solve above-mentioned background skill
The problem of art proposes.
To achieve the above object, the invention provides the following technical scheme: the invention discloses a kind of modified Chrome-frees of graphene
Dyclo paint, the coating is energy saving, environmentally protective, nuisanceless and environmental pollution, while having high-wearing feature, high corrosion-resistant, resistance to
Time property is good.
The present invention also provides the preparation methods of the modified chromium-free Dyclo paint of the graphene, and preparation method simple process can
Suitable for industrialized production.
The present invention is achieved by the following technical solutions:
The modified chromium-free Dyclo paint of graphene of the invention, is made of following each component:
Component A is made of coalescing agent, ethylene glycol and deionized water；
B component is made of dispersing agent, ethylene glycol, zinc flake aluminium powder, graphene, corrosion inhibiter, passivator and deionized water；
Component C is thickener and defoaming agent；
Wherein the raw material in each component accounts for the mass percent of coating about are as follows: coalescing agent 5%, ethylene glycol 8%, deionization
Water 43%, dispersing agent 2.4%, zinc powder 16%, aluminium powder 4%, corrosion inhibiter 1.2%, passivator 3.6%, thickener 2%, defoaming agent
20%.
The modified chromium-free Dyclo paint of graphene of the invention, further technical solution can also be the film forming
Auxiliary agent is silane coupling agent, wherein the silane coupling agent be KH-550, KH560, KH570, KH792, DL602 or
DL171, purity requirement >=97.0%.
The modified chromium-free Dyclo paint of graphene of the invention, further technical solution can also be the dispersion
Agent is polysorbas20.
The modified chromium-free Dyclo paint of graphene of the invention, further technical solution can also be the inhibition
Agent is sodium molybdate, wherein in sodium molybdate Na2MoO42H2O mass content >=99.0%.
The modified chromium-free Dyclo paint of graphene of the invention, further technical solution can also be the passivation
Agent is phytic acid and boric acid.
The modified chromium-free Dyclo paint of graphene of the invention, further technical solution can also be the thickening
Agent is cellulose ether or derivatives thereof；Wherein the thickener is preferably hydroxymethyl cellulose.
The modified chromium-free Dyclo paint of graphene of the invention, further technical solution can also be the defoaming
Agent is isooctanol defoaming agent.
The preparation method of the modified chromium-free Dyclo paint of graphene of the invention comprising following steps:
1) preparation of A liquid: after coalescing agent, ethylene glycol and deionized water are mixed, in magnetic stirring apparatus under normal temperature environment
Upper stirring 5h, is fully hydrolyzed silane, obtains as clear as crystal liquid；
2) preparation of B liquid: respectively mixing the graphene of different content and other raw materials of B component, under normal temperature environment
Stirring to slurry is completely dispersed uniformly on magnetic stirring apparatus；
3) above-mentioned two liquid of A, B is mixed, under normal temperature environment on magnetic stirring apparatus stir about 1h, mix them thoroughly
It is even；
4) by component C thickener and defoaming agent sequentially add in mixed solution, be stirred for 12h.
Compared with prior art, the invention has the following advantages:
1, the energy consumption, at low cost needed for production
Solidification temperature of the modified chromium-free Dyclo paint of graphene of the invention when solidify has chromium to reach gram far below tradition
Sieve coating curing temperatures, therefore energy consumption reduces, production cost is reduced.
2, environmentally protective, nuisanceless and environmental pollution
A possibility that raw material of the present invention are harmless to environment and human body, fundamentally prevented pollution.Simultaneously
Closed equipment is used in process of production, will not generate the waste water and gas for having pollution to environment, does not have to the disposal of three wastes, so
It will not be polluted the environment in production process.Therefore, the modified chromium-free Dyclo paint of graphene of the invention is a kind of ring
The novel environment friendly coating of border close friend.
3. coating has high-wearing feature
The modified chromium-free Dyclo paint of graphene of the invention will form fine and close reticular structure during film-forming
Film layer, wearability are significantly improved than Dacromet Technology, this makes coating have better wear-resisting property.
Specific embodiment:
By following embodiment further illustrate description the present invention, do not limit the invention in any way, without departing substantially from
Under the premise of technical solution of the invention, easy to accomplish any of this field common metal personnel done, which changes, to be said to the present invention
Dynamic or change is fallen within scope of the presently claimed invention.
Embodiment 1:
Component A: silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g；B component: polysorbas20 1.2g, ethylene glycol 2g,
Zinc powder 8g, aluminium powder 2g, sodium molybdate 0.6g, phytic acid 0.4g, boric acid 1g, deionized water 13.5g；Component C: hydroxyethyl ether cellulose
1g, isooctanol defoaming agent 10g.
Preparation method:
1. stirring 5h under normal temperature conditions after silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g are mixed, A is made
Component；
2. boric acid 1g, deionized water 13.5g are mixed, stirring to boric acid is completely dissolved；
3. adding after polysorbas20 1.2g, ethylene glycol 2g, zinc powder 8g, aluminium powder 2g, sodium molybdate 0.6g, phytic acid 0.4g are mixed
Enter boric acid solution prepared by step 2 to stir to being uniformly mixed, B component is made；
4. component A is added in B component, 0.5~1h of magnetic agitation；
5. component C is added in A, B mixed system made from step 4,12h is stirred, final coating is made.
Embodiment 2:
Component A: silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g；B component: polysorbas20 1.2g, ethylene glycol 2g,
Zinc powder 8g, aluminium powder 2g, graphene 0.06g, sodium molybdate 0.6g, phytic acid 0.4g, boric acid 1g, deionized water 13.5g；Component C: hydroxyl second
Base cellulose ether 1g, isooctanol defoaming agent 10g.
Preparation method:
1. stirring 5h under normal temperature conditions after silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g are mixed, A is made
Component；
2. boric acid 1g, deionized water 13.5g are mixed, stirring to boric acid is completely dissolved；
3. by polysorbas20 1.2g, ethylene glycol 2g, zinc powder 8g, aluminium powder 2g, graphene 0.06g, sodium molybdate 0.6g, phytic acid
After 0.4g mixing, boric acid solution prepared by step 2 is added and stirs to being uniformly mixed, B component is made；
4. component A is added in B component, 0.5~1h of magnetic agitation；
5. component C is added in A, B mixed system made from step 4,12h is stirred, final coating is made.
Embodiment 3:
Component A: silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g；B component: polysorbas20 1.2g, ethylene glycol 2g,
Zinc powder 8g, aluminium powder 2g, graphene 0.09g, sodium molybdate 0.6g, phytic acid 0.6g, boric acid 0.8g, deionized water 13.5g；Component C: hydroxyl
Cellulose ether 1g, isooctanol defoaming agent 10g.
Preparation method:
1. stirring 5h under normal temperature conditions after silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g are mixed, A is made
Component；
2. boric acid 0.8g, deionized water 13.5g are mixed, stirring to boric acid is completely dissolved；
3. by polysorbas20 1.2g, ethylene glycol 2g, zinc powder 8g, aluminium powder 2g, graphene 0.09g, sodium molybdate 0.6g, phytic acid
After 0.6g mixing, boric acid solution prepared by step 2 is added and stirs to being uniformly mixed, B component is made；
4. component A is added in B component, 0.5~1h of magnetic agitation；
5. component C is added in A, B mixed system made from step 4,12h is stirred, final coating is made.
Embodiment 4:
Component A: silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g；B component: polysorbas20 1.2g, ethylene glycol 2g,
Zinc powder 8g, aluminium powder 2g, graphene 0.12g, sodium molybdate 0.5g, phytic acid 0.5g, boric acid 1g, deionized water 13.5g；Component C: hydroxyl second
Base cellulose ether 1g, isooctanol defoaming agent 10g.
Preparation method:
1. stirring 5h under normal temperature conditions after silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g are mixed, A is made
Component；
2. boric acid 1g, deionized water 13.5g are mixed, stirring to boric acid is completely dissolved；
3. by polysorbas20 1.2g, ethylene glycol 2g, zinc powder 8g, aluminium powder 2g, graphene 0.12g, sodium molybdate 0.5g, phytic acid
After 0.5g mixing, boric acid solution prepared by step 2 is added and stirs to being uniformly mixed, B component is made；
4. component A is added in B component, 0.5~1h of magnetic agitation；
5. component C is added in A, B mixed system made from step 4,12h is stirred, final coating is made.
Embodiment 5:
Component A: silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g；B component: polysorbas20 1.2g, ethylene glycol 2g,
Zinc powder 8g, aluminium powder 2g, graphene 0.18g, sodium molybdate 0.6g, phytic acid 0.4g, boric acid 1g, deionized water 13.5g；Component C: hydroxyl second
Base cellulose ether 1g, isooctanol defoaming agent 10g.
Preparation method:
1. stirring 5h under normal temperature conditions after silane coupling agent 2.5g, ethylene glycol 2g, deionized water 8g are mixed, A is made
Component；
2. boric acid 1g, deionized water 13.5g are mixed, stirring to boric acid is completely dissolved；
3. by polysorbas20 1.2g, ethylene glycol 2g, zinc powder 8g, aluminium powder 2g, graphene 0.18g, sodium molybdate 0.6g, phytic acid
After 0.4g mixing, boric acid solution prepared by step 2 is added and stirs to being uniformly mixed, B component is made；
4. component A is added in B component, 0.5~1h of magnetic agitation；
5. component C is added in A, B mixed system made from step 4,12h is stirred, final coating is made.
The modified chromium-free Dyclo paint of graphene of the invention tests its performance indicator such as according to GB/T 18684-2002
Under: coating layer thickness: one, which applies one, dries 6-8 μm；Two, which apply two, dries 10-16 μm.
Appearance: similar to conventional Dacromet/steel.
Adhesive force: good.
Salt spray resistance: pass through 1000h (10-16 μm).
The standardized element that the present invention uses can commercially, and shaped piece can be with according to the record of specification
Carry out customized, the specific connection type of each part is all made of the conventional hand such as in the prior art mature bolt, rivet, welding
Section, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection use is conventional in the prior art
Connection type, this will not be detailed here.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of modified chromium-free Dyclo paint of graphene, it is characterised in that be made of following each component:
Component A is made of coalescing agent, ethylene glycol and deionized water；
B component is made of dispersing agent, ethylene glycol, zinc flake aluminium powder, graphene, corrosion inhibiter, passivator and deionized water；
Component C is thickener and defoaming agent；
Wherein the raw material in each component is by mass percentage are as follows: coalescing agent 5%, ethylene glycol 8%, deionized water 43%, dispersion
Agent 2.4%, zinc powder 16%, aluminium powder 4%, corrosion inhibiter 1.2%, passivator 3.6%, thickener 2%, defoaming agent 20%.
2. the modified chromium-free Dyclo paint of graphene according to claim 1, it is characterised in that the coalescing agent is
Silane coupling agent.
3. the modified chromium-free Dyclo paint of graphene according to claim 2, it is characterised in that the silane coupling agent
For KH-550, KH560, KH570, KH792, DL602 or DL171, purity requirement >=97.0%.
4. the modified chromium-free Dyclo paint of graphene according to claim 1, it is characterised in that the dispersing agent is to spit
Temperature 20.
5. the modified chromium-free Dyclo paint of graphene according to claim 1, it is characterised in that the corrosion inhibiter is molybdenum
Sour sodium, wherein in sodium molybdate Na2MoO42H2O mass content >=99.0%.
6. the modified chromium-free Dyclo paint of graphene according to claim 1, it is characterised in that the passivator is to plant
Acid and boric acid.
7. the modified chromium-free Dyclo paint of graphene according to claim 1, it is characterised in that the thickener is fibre
Tie up plain ether or derivatives thereof.
8. the modified chromium-free Dyclo paint of graphene according to claim 7, it is characterised in that the thickener is hydroxyl
Methylcellulose.
9. the modified chromium-free Dyclo paint of graphene according to claim 1, it is characterised in that the defoaming agent is different
Octanol defoaming agent.
10. a kind of preparation method of the modified chromium-free Dyclo paint of graphene as described in claim 1-10 is any, feature
Be the following steps are included:
1) it the preparation of A liquid: after coalescing agent, ethylene glycol and deionized water are mixed, is stirred on magnetic stirring apparatus under normal temperature environment
5h is mixed, silane is fully hydrolyzed, obtains as clear as crystal liquid；
2) preparation of B liquid: respectively mixing the graphene of different content and other raw materials of B component, in magnetic force under normal temperature environment
Stirring to slurry is completely dispersed uniformly on blender；
3) above-mentioned two liquid of A, B is mixed, under normal temperature environment on magnetic stirring apparatus stir about 1h, mix them thoroughly uniformly；
4) by component C thickener and defoaming agent sequentially add in mixed solution, be stirred for 12h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811342231.5A CN109439187A (en) | 2018-11-12 | 2018-11-12 | Modified chromium-free Dyclo paint of a kind of graphene and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811342231.5A CN109439187A (en) | 2018-11-12 | 2018-11-12 | Modified chromium-free Dyclo paint of a kind of graphene and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054969A (en) * | 2019-06-14 | 2019-07-26 | 江南大学 | A kind of anticorrosive paint and preparation method thereof based on phytic acid modified graphene |
| CN110616041A (en) * | 2019-10-13 | 2019-12-27 | 中南大学 | Novel chromium-free Dacromet coating, preparation method thereof and preparation method of anticorrosive coating |
| CN111286223A (en) * | 2020-03-09 | 2020-06-16 | 上海达克罗涂复工业有限公司 | Anti-corrosion zinc-aluminum coating liquid and application thereof |
| CN114456711A (en) * | 2021-12-15 | 2022-05-10 | 浙江亚厦装饰股份有限公司 | Chromium-free Dacromet coating liquid and preparation method and application thereof |
| CN114539877A (en) * | 2022-03-01 | 2022-05-27 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Anti-corrosion water-based epoxy coating based on divalent zinc ions and phytic acid modified graphene oxide and preparation method thereof |
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| CN102277022A (en) * | 2011-08-17 | 2011-12-14 | 南京工业大学 | Water-based chromium-free Dacromet coating liquid and preparation method thereof |
| CN103740153A (en) * | 2013-11-12 | 2014-04-23 | 宁波墨西科技有限公司 | Graphene-modified Dacromet coating material |
| JP2017014386A (en) * | 2015-07-01 | 2017-01-19 | 株式会社仲田コーティング | Polyimide resin composition and manufacturing method therefor |
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| CN102277022A (en) * | 2011-08-17 | 2011-12-14 | 南京工业大学 | Water-based chromium-free Dacromet coating liquid and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110054969A (en) * | 2019-06-14 | 2019-07-26 | 江南大学 | A kind of anticorrosive paint and preparation method thereof based on phytic acid modified graphene |
| CN110616041A (en) * | 2019-10-13 | 2019-12-27 | 中南大学 | Novel chromium-free Dacromet coating, preparation method thereof and preparation method of anticorrosive coating |
| CN110616041B (en) * | 2019-10-13 | 2021-07-30 | 中南大学 | Novel chromium-free Dacromet coating, preparation method thereof and preparation method of anticorrosive coating |
| CN111286223A (en) * | 2020-03-09 | 2020-06-16 | 上海达克罗涂复工业有限公司 | Anti-corrosion zinc-aluminum coating liquid and application thereof |
| CN114456711A (en) * | 2021-12-15 | 2022-05-10 | 浙江亚厦装饰股份有限公司 | Chromium-free Dacromet coating liquid and preparation method and application thereof |
| CN114456711B (en) * | 2021-12-15 | 2023-03-10 | 浙江亚厦装饰股份有限公司 | Chromium-free Dacromet coating liquid and preparation method and application thereof |
| CN114539877A (en) * | 2022-03-01 | 2022-05-27 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Anti-corrosion water-based epoxy coating based on divalent zinc ions and phytic acid modified graphene oxide and preparation method thereof |
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Application publication date: 20190308 |