CN107652880A - A kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint - Google Patents
A kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint Download PDFInfo
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- CN107652880A CN107652880A CN201711035607.3A CN201711035607A CN107652880A CN 107652880 A CN107652880 A CN 107652880A CN 201711035607 A CN201711035607 A CN 201711035607A CN 107652880 A CN107652880 A CN 107652880A
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- corrosive paint
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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
- 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
- C09D183/02—Polysilicates
-
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- 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
- C09D5/24—Electrically-conducting paints
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention provides a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint, comprise the following steps：(1) preparation of component A：Solvent is added, anti-settling agent is slowly added under stirring condition, polyvinyl butyral resin is added after disperseing at a high speed, is uniformly dispersed after CNT and is ground with abrasive sand, filters off except abrasive sand, adds zinc powder, graphene, with solvent adjustment, packaging；(2) preparation of B component：Water will be added dropwise under resin, stirring solvent state, hydrochloric acid is added dropwise after stirring 10 30min, is heated after stirring 10 30min, temperature is 40 50 DEG C, and agitating and heating for a period of time, adds solvent adjustment, packaging.A kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint of the present invention, the preparation method being used cooperatively with new formulation, corrosive effect is improved, reduce zinc powder dosage, reduce fog caused by zinc oxide, it is environment-friendly.
Description
Technical field
The invention belongs to coating manufacturing field, more particularly, to a kind of CNT graphene inorganic zinc-rich anti-corrosive paint.
Background technology
Zinc rich primer using ethyl polysilicate hydrolysate as film forming matter is extremely important in antirust and anticorrosive coating
One kind, because it by-Si-O-Si- semiconductors reaches electro-chemical protection of the zinc powder to steel, and into electrochemistry antirust
Paint, is zinc-rich coating.Generation and corrosion product of the shielding action of zinc-rich paint mainly by infusibility salt.Zinc-rich paint contains
Substantial amounts of zinc powder, between zinc particles, it is in close contact between zinc particles and steel surface, zinc current potential is more negative than iron, so being electrolysed
Zinc atom easily loses electronics and becomes anode in matter solution, and iron rule is negative electrode, and in anode region, zinc is corroded due to losing electronics
Fall, electronics is continuously available in steel surface in negative electrode, so as to allow steel construction ground to be protected.When there is position mechanical on film
After damage, expose parent metal, steel exposed portion can flowed to compared with small area internal corrosion electric current, then new product is deposited upon
Layer protecting film is here formed as, delays corrosion to continue to occur.
But changed in general coating film forming procedure with the evaporation of moisture, the pH value of coating, the electricity of steel matrix
Electrode potential is not the state for being constantly in electrochemical protection, therefore coating also has difference to the passivation of steel matrix.
And although epoxy zinc rich primer class coating has shielding action, electrochemical protection effect, film selfreparing and blunt
Change act on, but antiseptic property be to sacrifice zinc powder as cost, and welding when can produce big amount zinc oxide fog, endanger operation
Human life's health.
The content of the invention
In view of this, the present invention is directed to propose a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint,
With the preparation method being used cooperatively with new formulation, corrosive effect is improved, reduces zinc powder dosage, reduces mist caused by zinc oxide
Gas, it is environment-friendly.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint, comprises the following steps：
(1) preparation of component A：Solvent is added, anti-settling agent is slowly added under stirring condition, polyethylene is added after disperseing at a high speed
Butyral, it is uniformly dispersed after CNT and is ground with abrasive sand, filters off except abrasive sand, add zinc powder, graphene, use solvent
Regulation, packaging；
(2) preparation of B component：Water will be added dropwise under resin, stirring solvent state, hydrochloric acid is added dropwise after stirring 10-30min, stirs
Heated after mixing 10-30min, temperature is 40-50 DEG C, and agitating and heating for a period of time, adds solvent adjustment, packaging；
(3) paint：The weight proportion of component A and B component presses (50-60)：The ratio of (40-50) is added, and is added
Diluent percentage by weight 10-30%, stirs, and can be used after placing 10-30 minutes.
Further, grinding temperature is 20-50 DEG C, milling time 1-1.5h.
Further, the time of agitating and heating is 2-3h.
Further, wherein component A includes according to mass percent：Nano-calcium carbonate 1-5%, blanc fixe 10-40%,
Zinc powder：15-30%, polyvinyl butyral resin 1-3%, solvent 20-40%, anti-settling agent 0.5-2%, graphene 0.1-10%, carbon
Nanotube 0.01-0.4%, each component content sum is absolutely；
B component includes according to mass percent：Ethyl polysilicate 45-65%, solvent 30-50%, water 1-5%, hydrochloric acid
0.01-2%, each component content sum is absolutely.
Further, it is 0.3-0.4% that the content of the CNT, which accounts for host percentage by weight,；The content of the graphene
It is 10-15% to account for host percentage by weight.
Further, the solvent is in absolute ethyl alcohol, isopropanol, propandiol butyl ether, dimethylbenzene, butanol, ethyl acetate
It is one or more.
Further, the ethyl polysilicate is ethyl polysilicate -40.
Further, the zinc powder is 400 mesh zinc powders.
Further, the anti-settling agent is SD-2 bentonites.
Further, the CNT is less than 40 μm using grain fineness.
Relative to prior art, a kind of preparation side of CNT graphene inorganic zinc-rich anti-corrosive paint of the present invention
Method has the advantage that：
Preparation method is simple, using operations such as scattered, grinding and stirrings；Medicine is green, environmentally friendly；Behaviour
It is simple to make step, it is time-consuming short, it is cost-effective.
By graphene, CNT, zinc powder formed a conductive network structure, significant increase film electric conductivity,
Zinc powder is set preferably to play the effect of sacrificial anode, so that steel plate receives good protection.
While antiseptic effect is improved, greatly reduce the content of zinc powder, overcome zinc-rich paint using sacrifice zinc powder as
The anti-corrosion mode of cost, greatly reduce in zinc oxide fog caused by welding, it is environment-friendly.
Embodiment
In addition to being defined, technical term used has universal with those skilled in the art of the invention in following examples
The identical meanings of understanding.Test reagent used, is routine biochemistry reagent unless otherwise specified in following examples；It is described
Experimental method, it is conventional method unless otherwise specified.
The present invention is described in detail with reference to embodiment.
1st, a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint, comprises the following steps：
(1) preparation of component A：Solvent is added, anti-settling agent is slowly added under stirring condition, polyethylene is added after disperseing at a high speed
Butyral, the rate of dispersion of dispersion machine is 600r/min, jitter time 30min.It is uniformly dispersed after CNT with grinding
Sand is ground, and grinding temperature is 50 DEG C, and milling time is that 1h is filtered off except abrasive sand, adds zinc powder, graphene, with solvent adjustment,
Packaging；
(2) preparation of B component：Water will be added dropwise under resin, stirring solvent state, hydrochloric acid is added dropwise after stirring 10min, stir
Heated after 10min, temperature is 40 DEG C, and the time of agitating and heating is 2h, adds solvent adjustment, packaging；
(3) paint：The weight proportion of component A and B component presses 55:45 ratio is added, and adds diluent weight
Percentage 30%, stirs, and can be used after placing 10 minutes.
2nd, medicine selects species：Nano-calcium carbonate is the nano-calcium carbonate of the peak Chemical Co., Ltd. of Guangzhou hundred million；Polyvinyl alcohol
Butyral is the PVB-50 of Guangdong Guangdong beautification work；Blanc fixe is the blanc fixe of Shanghai face titanium production；Solvent is anhydrous
One or more in ethanol, isopropanol, propandiol butyl ether, dimethylbenzene, butanol, ethyl acetate；Ethyl polysilicate is Zhangjiagang
The ethyl polysilicate -40 that new Asia chemical industry is produced；Zinc powder is 400 mesh common zinc powder of the Jiangsu section into production；CNT is middle section
Institute Chengdu it is organic TNHC；Anti-settling agent is this SD-2 bentonites of hamming；Graphene product is that Tianjin alkene rises the limited public affairs of science and technology
The XTJL-201 of department；Hydrochloric acid is general reagent pure hydrochloric acid；Water is common deionized water.
3rd, a kind of CNT graphene inorganic zinc-rich anti-corrosive paint is included such as the embodiment 1-3 of table 1 formulas.
4th, entered using performance of the above example 1-3 institutes production of hybrid seeds CNT graphene epoxy zinc rich primer with monofilm system
Row test, as a result such as table 2.
The CNT graphene inorganic zinc-rich anti-corrosive paint priming paint of table 2 matches somebody with somebody the performance test results of monofilm system
Remarks：90 ± 10 microns of salt spray test thickness of dry film, sundry item 75 ± 10 microns of thickness of dry film of test.
Gained embodiment 1-3 products obtained therefroms meet the requirement in HG/T3668-2009 zinc rich primers, that is, meet organic zinc-rich
The design of I type products needs.
5th, it is special to carrying out one in order to confirm the product film decrease speed and zinc powder loss rate under salt air corrosion state
The salt fog plate fixed time carries out demoulding experiment, and determines the numerical value of reduction and the thickness reduction of corresponding weight, contrasts as hot spray painted zinc
Type product.
The embodiment 1-3 of table 3 and control group demoulding laboratory test results
Remarks：The method for removing zinc salt refers to GB/T16545-1996《Corrosion product on the corrosion sample of metal and alloy
Removing》This experiment is cleaned using 5%NaOH solution.
By upper table we it can be found that the weight-loss ratio of embodiment 1,2,3 is very low, much smaller than the loss of weight with reference to hot spray painted zinc
Rate, and anti-corrosion capability improves a lot, and illustrate the loss that can effectively reduce film of case study on implementation formula.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
- A kind of 1. preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint, it is characterised in that：Comprise the following steps：(1) preparation of component A：Solvent is added, anti-settling agent is slowly added under stirring condition, polyvinyl alcohol contracting is added after disperseing at a high speed Butyraldehyde, it is uniformly dispersed after CNT and is ground with abrasive sand, filters off except abrasive sand, add zinc powder, graphene, adjusted with solvent Section, packaging；(2) preparation of B component：Water will be added dropwise under resin, stirring solvent state, hydrochloric acid is added dropwise after stirring 10-30min, stirs 10- Heated after 30min, temperature is 40-50 DEG C, and agitating and heating for a period of time, adds solvent adjustment, packaging；(3) paint：The weight proportion of component A and B component presses (50-60)：The ratio of (40-50) is added, and adds dilution Agent percentage by weight 10-30%, stirs, and can be used after placing 10-30 minutes.
- 2. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：Grinding temperature is 20-50 DEG C, milling time 1-1.5h.
- 3. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：The time of agitating and heating is 2-3h.
- 4. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：Wherein component A includes according to mass percent：Nano-calcium carbonate 1-5%, blanc fixe 10-40%, zinc powder：15- 30%th, polyvinyl butyral resin 1-3%, solvent 20-40%, anti-settling agent 0.5-2%, graphene 0.1-10%, CNT 0.01-0.4%, each component content sum is absolutely；B component includes according to mass percent：Ethyl polysilicate 45-65%, solvent 30-50%, water 1-5%, hydrochloric acid 0.01- 2%, each component content sum is absolutely.
- A kind of 5. preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint described in claim 4, it is characterised in that： It is 0.3-0.4% that the content of the CNT, which accounts for host percentage by weight,；The content of the graphene accounts for host weight percent Than for 10-15%.
- 6. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：The solvent is the one or more in absolute ethyl alcohol, isopropanol, propandiol butyl ether, dimethylbenzene, butanol, ethyl acetate.
- 7. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：The ethyl polysilicate is ethyl polysilicate -40.
- 8. a kind of preparation method purposes of CNT graphene inorganic zinc-rich anti-corrosive paint described in claim 1, its feature It is：The zinc powder is 400 mesh zinc powders.
- 9. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：The anti-settling agent is SD-2 bentonites.
- 10. a kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint according to claim 1, its feature It is：The CNT is less than 40 μm using grain fineness.
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| CN201711035607.3A CN107652880A (en) | 2017-10-30 | 2017-10-30 | A kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint |
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| CN201711035607.3A CN107652880A (en) | 2017-10-30 | 2017-10-30 | A kind of preparation method of CNT graphene inorganic zinc-rich anti-corrosive paint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841211A (en) * | 2018-06-13 | 2018-11-20 | 重庆市科学技术研究院 | A kind of inorganic zinc coating of modified graphene and preparation method thereof |
| CN114026185A (en) * | 2019-06-27 | 2022-02-08 | 中国涂料株式会社 | Primary antirust coating composition, substrate with primary antirust coating film, and method for producing same |
| CN114891423A (en) * | 2022-03-10 | 2022-08-12 | 北京东方雨虹防水技术股份有限公司 | Workshop primer and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733325A (en) * | 2016-04-14 | 2016-07-06 | 信和新材料股份有限公司 | Inorganic zinc silicate shop primer based on graphene modification and preparing method thereof |
| CN106009799A (en) * | 2016-06-30 | 2016-10-12 | 无锡市玉邦树脂涂料有限公司 | Inorganic zinc dust primer containing graphene and preparation method of primer |
-
2017
- 2017-10-30 CN CN201711035607.3A patent/CN107652880A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733325A (en) * | 2016-04-14 | 2016-07-06 | 信和新材料股份有限公司 | Inorganic zinc silicate shop primer based on graphene modification and preparing method thereof |
| CN106009799A (en) * | 2016-06-30 | 2016-10-12 | 无锡市玉邦树脂涂料有限公司 | Inorganic zinc dust primer containing graphene and preparation method of primer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841211A (en) * | 2018-06-13 | 2018-11-20 | 重庆市科学技术研究院 | A kind of inorganic zinc coating of modified graphene and preparation method thereof |
| CN114026185A (en) * | 2019-06-27 | 2022-02-08 | 中国涂料株式会社 | Primary antirust coating composition, substrate with primary antirust coating film, and method for producing same |
| CN114891423A (en) * | 2022-03-10 | 2022-08-12 | 北京东方雨虹防水技术股份有限公司 | Workshop primer and preparation method thereof |
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Application publication date: 20180202 |