CN109627942A - A kind of rare earth enhancing chemical pump surface staining-proof coating - Google Patents
A kind of rare earth enhancing chemical pump surface staining-proof coating Download PDFInfo
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- CN109627942A CN109627942A CN201811338136.8A CN201811338136A CN109627942A CN 109627942 A CN109627942 A CN 109627942A CN 201811338136 A CN201811338136 A CN 201811338136A CN 109627942 A CN109627942 A CN 109627942A
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- Prior art keywords
- rare earth
- fluororesin
- proof coating
- chemical pump
- surface staining
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of rare earths to enhance chemical pump surface staining-proof coating, it is related to chemical industry pump technical field, is made of following component: aqueous polyurethane, rare earth modified fluororesin, dopamine modified carboxy methyl cellulose, emulsifier, titanium dioxide, thickener, defoaming agent, Disodium sulfosuccinate, wetting agent, ionized water；The rare earth modified fluororesin that the present invention adds can reduce film coated surface can be with the effect of surface tension, it is seen then that resistance to soiling of the present invention is significant.
Description
Technical field
The invention belongs to chemical industry pump technical fields, and in particular to a kind of rare earth enhancing chemical pump surface staining-proof coating.
Background technique
Pump is to correspond to design according to the difference of its pumped (conveying) medium for conveying liquid and improving the mechanical equipment of its pressure
At different performances.Conventional pump is used to convey the small medium of the corrosivity such as water, but in Chemical Manufacture, it usually needs transport acid
The higher liquid of alkalinity, such as hydrochloric acid, sulfuric acid, lye, require pump to have excellent acid-alkali-corrosive-resisting characteristic at this time.Chemical pump is
Assembled by more components, including pump cover, the pump housing, impeller, pedestal etc., and because chemical pump working environment and transport are situated between
The particularity of matter has certain requirement for the resistance to soiling on chemical pump surface, and after otherwise working long hours, chemical pump surface is dirty
Contaminate it is more serious, can seriously reduce shipped material cleanliness.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of rare earth enhancing chemical pump surface staining-proof coating is provided.
The present invention is achieved by the following technical solutions:
A kind of rare earth enhancing chemical pump surface staining-proof coating, is made of following component: aqueous polyurethane 92- by weight
96, rare earth modified fluororesin 31-35, dopamine modified carboxy methyl cellulose 8-12, emulsifier 1.3-1.5, titanium dioxide 4-6, increasing
Thick dose of 3-5, defoaming agent 1.2-1.4, Disodium sulfosuccinate 1.5-1.8, wetting agent 0.3-0.5, ionized water 70-75.
Further, the rare earth modified fluororesin the preparation method comprises the following steps:
Fluororesin is dissolved in organic solvent, the fluororesin solution that mass fraction is 8.5% is configured to, adds into fluororesin solution
The o-benzoyl yl benzoic acid methyl esters for adding fluororesin quality 10%, is heated to 118 DEG C, stirs 40min with 200r/min revolving speed, so
After be then added in reaction kettle, reaction kettle is evacuated to vacuum state, the rare earth of fluororesin quality 3.5-4.5% is then added again, stirs
After mixing 10min, then the N of fluororesin quality 0.5% is added, N- mesitylenic acid ethyl ester adjusts the temperature to 102 DEG C, with 800r/
Min revolving speed stirs 55min, then adjusts the temperature to 115 DEG C again, with 300r/min revolving speed stirring 1 hour, is then evaporated again molten
Agent is to get rare earth modified fluororesin.
Further, the rare earth is cerium chloride.
Further, the vacuum state vacuum degree is 0.0025MPa.
Further, the dopamine modified carboxy methyl cellulose the preparation method comprises the following steps:
(1) carboxymethyl cellulose is added in the sodium carbonate liquor of 5 times of its quality and is dissolved, 60 DEG C are heated to, with 200r/
Min revolving speed stirs 30min, then adds the 1- ethyl -3-(3- dimethylaminopropyl with sodium alginate equimolar amounts) carbon two is sub-
Amine hydrochlorate adjusts the temperature to 65 DEG C, continues to stir 40min, then adds and be equivalent to 0.3-0.4 times of carboxymethyl cellulose
The dopamine of mole reacts 6 hours, reaction product is purified, dopamine modified carboxy methyl cellulose initial material is obtained；
(2) the dopamine modified carboxy methyl cellulose initial material that step (1) synthesizes is added to the liquor natrii hypochloritis of 3 times of its quality
In, at room temperature, stir 1 hour, then carry out rotary evaporation it is dry to constant weight to get.
Further, the sodium carbonate liquor pH is 8.6.
Further, liquor natrii hypochloritis's mass fraction is 0.12%.
Further, the defoaming agent is organic silicon defoamer.
Further, the wetting agent is wetting agent wet500.
Further, the emulsifier is diacetyl tartarate monoglyceride, and thickener is guar gum.
The utility model has the advantages that invention uses the effect of dopamine modified carboxy methyl cellulose, can significantly improve
The architectural characteristic of carboxymethyl cellulose, so that dopamine modified carboxy methyl cellulose not only only conventional carboxymethyl cellulose
The thickening power that element plays in coating system, but coating molecule cross-link can be promoted to form three-dimensional network in coating system
Structure, in addition dopamine modified carboxy methyl cellulose, which introduces a large amount of active group, can further improve coating on metallic matrix
Adhesive force.The present invention is cooperateed with rare earth modified fluororesin by aqueous polyurethane as film forming matter, and rare earth modified fluorine is passed through
The effect for the active group that resin cooperates with dopamine modified carboxy methyl cellulose subsidiary, after making paint solidification of the present invention, coating table
The enrichment of face fluorine element, since fluorine atom electronegativity is big, diameter is small, and carbon-fluorine bond bond energy is 485kJ/mol, is far longer than carbon-hydrogen
Key and carbon-oxygen bond make coating of the present invention have a high structural stability also greater than silicon-oxygen key and silicon-carbon bond, and fluorine atom with
Hydrogen atom is more easily than carbon-fluorine bond shielding, is reduced water in the tension on surface of the present invention, is improved dredging for surface of the present invention
It is aqueous, to improve stain resistance of the invention, and the present invention has low-surface-energy, is difficult to spot attached in coating surface
, it is confirmed through detection, the water contact angle of coating surface of the present invention increases to 118 °, obvious hydrophobic " lotus leaf " is presented and keeps away water effect.
Specific embodiment
Embodiment 1
A kind of rare earth enhances chemical pump surface staining-proof coating, is made by weight of following component: aqueous polyurethane 92, dilute
Native modified fluorin resin 31, dopamine modified carboxy methyl cellulose 8, emulsifier 1.3, titanium dioxide 4, thickener 3, defoaming agent 1.2, amber
Amber acid esters sodium sulfonate 1.5, wetting agent 0.3, ionized water 70.
Further, the rare earth modified fluororesin the preparation method comprises the following steps:
Fluororesin is dissolved in organic solvent, the fluororesin solution that mass fraction is 8.5% is configured to, adds into fluororesin solution
The o-benzoyl yl benzoic acid methyl esters for adding fluororesin quality 10%, is heated to 118 DEG C, stirs 40min with 200r/min revolving speed, so
After be then added in reaction kettle, reaction kettle is evacuated to vacuum state, then adds the rare earth of fluororesin quality 3.5% again, stir
After 10min, then the N of fluororesin quality 0.5% is added, N- mesitylenic acid ethyl ester adjusts the temperature to 102 DEG C, with 800r/min
Revolving speed stirs 55min, then adjusts the temperature to 115 DEG C again, with 300r/min revolving speed stirring 1 hour, then solvent evaporated again, i.e.,
Obtain rare earth modified fluororesin.
Further, the rare earth is cerium chloride.
Further, the vacuum state vacuum degree is 0.0025MPa.
Further, the dopamine modified carboxy methyl cellulose the preparation method comprises the following steps:
(1) carboxymethyl cellulose is added in the sodium carbonate liquor of 5 times of its quality and is dissolved, 60 DEG C are heated to, with 200r/
Min revolving speed stirs 30min, then adds the 1- ethyl -3-(3- dimethylaminopropyl with sodium alginate equimolar amounts) carbon two is sub-
Amine hydrochlorate adjusts the temperature to 65 DEG C, continues to stir 40min, then adds and be equivalent to 0.3 times mole of carboxymethyl cellulose
The dopamine of amount reacts 6 hours, reaction product is purified, dopamine modified carboxy methyl cellulose initial material is obtained；
(2) the dopamine modified carboxy methyl cellulose initial material that step (1) synthesizes is added to the liquor natrii hypochloritis of 3 times of its quality
In, at room temperature, stir 1 hour, then carry out rotary evaporation it is dry to constant weight to get.
Further, the sodium carbonate liquor pH is 8.6.
Further, liquor natrii hypochloritis's mass fraction is 0.12%.
Further, the defoaming agent is organic silicon defoamer.
Further, the wetting agent is wetting agent wet500.
Further, the emulsifier is diacetyl tartarate monoglyceride, and thickener is guar gum.
Embodiment 2
A kind of rare earth enhances chemical pump surface staining-proof coating, is made by weight of following component: aqueous polyurethane 96, dilute
Native modified fluorin resin 35, dopamine modified carboxy methyl cellulose 12, emulsifier 1.5, titanium dioxide 6, thickener 5, defoaming agent 1.4,
Disodium sulfosuccinate 1.8, wetting agent 0.5, ionized water 75.
Further, the rare earth modified fluororesin the preparation method comprises the following steps:
Fluororesin is dissolved in organic solvent, the fluororesin solution that mass fraction is 8.5% is configured to, adds into fluororesin solution
The o-benzoyl yl benzoic acid methyl esters for adding fluororesin quality 10%, is heated to 118 DEG C, stirs 40min with 200r/min revolving speed, so
After be then added in reaction kettle, reaction kettle is evacuated to vacuum state, then adds the rare earth of fluororesin quality 4.5% again, stir
After 10min, then the N of fluororesin quality 0.5% is added, N- mesitylenic acid ethyl ester adjusts the temperature to 102 DEG C, with 800r/min
Revolving speed stirs 55min, then adjusts the temperature to 115 DEG C again, with 300r/min revolving speed stirring 1 hour, then solvent evaporated again, i.e.,
Obtain rare earth modified fluororesin.
Further, the rare earth is cerium chloride.
Further, the vacuum state vacuum degree is 0.0025MPa.
Further, the dopamine modified carboxy methyl cellulose the preparation method comprises the following steps:
(1) carboxymethyl cellulose is added in the sodium carbonate liquor of 5 times of its quality and is dissolved, 60 DEG C are heated to, with 200r/
Min revolving speed stirs 30min, then adds the 1- ethyl -3-(3- dimethylaminopropyl with sodium alginate equimolar amounts) carbon two is sub-
Amine hydrochlorate adjusts the temperature to 65 DEG C, continues to stir 40min, then adds and be equivalent to 0.4 times mole of carboxymethyl cellulose
The dopamine of amount reacts 6 hours, reaction product is purified, dopamine modified carboxy methyl cellulose initial material is obtained；
(2) the dopamine modified carboxy methyl cellulose initial material that step (1) synthesizes is added to the liquor natrii hypochloritis of 3 times of its quality
In, at room temperature, stir 1 hour, then carry out rotary evaporation it is dry to constant weight to get.
Further, the sodium carbonate liquor pH is 8.6.
Further, liquor natrii hypochloritis's mass fraction is 0.12%.
Further, the defoaming agent is organic silicon defoamer.
Further, the wetting agent is wetting agent wet500.
Further, the emulsifier is diacetyl tartarate monoglyceride, and thickener is guar gum.
Embodiment 3
A kind of rare earth enhances chemical pump surface staining-proof coating, is made by weight of following component: aqueous polyurethane 95, dilute
Native modified fluorin resin 32, dopamine modified carboxy methyl cellulose 10, emulsifier 1.4, titanium dioxide 5, thickener 4, defoaming agent 1.3,
Disodium sulfosuccinate 1.6, wetting agent 0.4, ionized water 72.
Further, the rare earth modified fluororesin the preparation method comprises the following steps:
Fluororesin is dissolved in organic solvent, the fluororesin solution that mass fraction is 8.5% is configured to, adds into fluororesin solution
The o-benzoyl yl benzoic acid methyl esters for adding fluororesin quality 10%, is heated to 118 DEG C, stirs 40min with 200r/min revolving speed, so
After be then added in reaction kettle, reaction kettle is evacuated to vacuum state, then adds the rare earth of fluororesin quality 3.8% again, stir
After 10min, then the N of fluororesin quality 0.5% is added, N- mesitylenic acid ethyl ester adjusts the temperature to 102 DEG C, with 800r/min
Revolving speed stirs 55min, then adjusts the temperature to 115 DEG C again, with 300r/min revolving speed stirring 1 hour, then solvent evaporated again, i.e.,
Obtain rare earth modified fluororesin.
Further, the rare earth is cerium chloride.
Further, the vacuum state vacuum degree is 0.0025MPa.
Further, the dopamine modified carboxy methyl cellulose the preparation method comprises the following steps:
(1) carboxymethyl cellulose is added in the sodium carbonate liquor of 5 times of its quality and is dissolved, 60 DEG C are heated to, with 200r/
Min revolving speed stirs 30min, then adds the 1- ethyl -3-(3- dimethylaminopropyl with sodium alginate equimolar amounts) carbon two is sub-
Amine hydrochlorate adjusts the temperature to 65 DEG C, continues to stir 40min, then adds and be equivalent to 0.35 times mole of carboxymethyl cellulose
The dopamine of amount reacts 6 hours, reaction product is purified, dopamine modified carboxy methyl cellulose initial material is obtained；
(2) the dopamine modified carboxy methyl cellulose initial material that step (1) synthesizes is added to the liquor natrii hypochloritis of 3 times of its quality
In, at room temperature, stir 1 hour, then carry out rotary evaporation it is dry to constant weight to get.
Further, the sodium carbonate liquor pH is 8.6.
Further, liquor natrii hypochloritis's mass fraction is 0.12%.
Further, the defoaming agent is organic silicon defoamer.
Further, the wetting agent is wetting agent wet500.
Further, the emulsifier is diacetyl tartarate monoglyceride, and thickener is guar gum.
Comparative example 1: it is distinguished with embodiment 1 and is only that the fluororesin that modified fluorin resin is replaced with to unmodified processing.
Comparative example 2: it is only that with the difference of embodiment 1 and does not add dopamine modified carboxy methyl cellulose.
Comparative example 3: it is only that with the difference of embodiment 1 and dopamine modified carboxy methyl cellulose is replaced with into unmodified carboxylic first
Base cellulose.
Control group: the coating prepared using application number 201610077740.4.
Coating made from embodiment and comparative example is brushed respectively on Q235 steel plate, 30min is dried at room temperature for, is formed
One layer of fine and close protective film, the performance test results see the table below:
Adhesive force: GB 9286-1998；
Neutral salt spray test: GB 10125-1997；
Table 1
Corrosion resistant coating prepared by the present invention not only has good corrosion resistance as can be seen from Table 1, while also having good
Good adhesive force.
Embodiment and comparative example coating are prepared film by GB/T1727-79 by test on tinplate, and coating thickness is
30 μm, measure film coated surface energy, surface tension:
Table 2
As can be seen from Table 2, the rare earth modified fluororesin that the present invention adds can reduce film coated surface can be with the effect of surface tension
Fruit, it is seen then that resistance to soiling of the present invention is significant.
Claims (10)
1. a kind of rare earth enhances chemical pump surface staining-proof coating, which is characterized in that be made by weight of following component: water
Property polyurethane 92-96, rare earth modified fluororesin 31-35, dopamine modified carboxy methyl cellulose 8-12, emulsifier 1.3-1.5, titanium
White powder 4-6, thickener 3-5, defoaming agent 1.2-1.4, Disodium sulfosuccinate 1.5-1.8, wetting agent 0.3-0.5, ionized water 70-
75。
2. a kind of rare earth as described in claim 1 enhances chemical pump surface staining-proof coating, which is characterized in that the rare earth changes
Property fluororesin the preparation method comprises the following steps:
Fluororesin is dissolved in organic solvent, the fluororesin solution that mass fraction is 8.5% is configured to, adds into fluororesin solution
The o-benzoyl yl benzoic acid methyl esters for adding fluororesin quality 10%, is heated to 118 DEG C, stirs 40min with 200r/min revolving speed, so
After be then added in reaction kettle, reaction kettle is evacuated to vacuum state, the rare earth of fluororesin quality 3.5-4.5% is then added again, stirs
After mixing 10min, then the N of fluororesin quality 0.5% is added, N- mesitylenic acid ethyl ester adjusts the temperature to 102 DEG C, with 800r/
Min revolving speed stirs 55min, then adjusts the temperature to 115 DEG C again, with 300r/min revolving speed stirring 1 hour, is then evaporated again molten
Agent is to get rare earth modified fluororesin.
3. a kind of rare earth as claimed in claim 2 enhances chemical pump surface staining-proof coating, which is characterized in that the rare earth is
Cerium chloride.
4. a kind of rare earth as claimed in claim 2 enhances chemical pump surface staining-proof coating, which is characterized in that the vacuum shape
State vacuum degree is 0.0025MPa.
5. a kind of rare earth as described in claim 1 enhances chemical pump surface staining-proof coating, which is characterized in that the dopamine
Modified carboxy methyl cellulose the preparation method comprises the following steps:
(1) carboxymethyl cellulose is added in the sodium carbonate liquor of 5 times of its quality and is dissolved, 60 DEG C are heated to, with 200r/
Min revolving speed stirs 30min, then adds the 1- ethyl -3-(3- dimethylaminopropyl with sodium alginate equimolar amounts) carbon two is sub-
Amine hydrochlorate adjusts the temperature to 65 DEG C, continues to stir 40min, then adds and be equivalent to 0.3-0.4 times of carboxymethyl cellulose
The dopamine of mole reacts 6 hours, reaction product is purified, dopamine modified carboxy methyl cellulose initial material is obtained；
(2) the dopamine modified carboxy methyl cellulose initial material that step (1) synthesizes is added to the liquor natrii hypochloritis of 3 times of its quality
In, at room temperature, stir 1 hour, then carry out rotary evaporation it is dry to constant weight to get.
6. a kind of rare earth as claimed in claim 5 enhances chemical pump surface staining-proof coating, which is characterized in that the sodium carbonate
PH value of solution is 8.6.
7. a kind of rare earth as claimed in claim 5 enhances chemical pump surface staining-proof coating, which is characterized in that the hypochlorous acid
Sodium solution mass fraction is 0.12%.
8. a kind of rare earth as described in claim 1 enhances chemical pump surface staining-proof coating, which is characterized in that the defoaming agent
For organic silicon defoamer.
9. a kind of rare earth as described in claim 1 enhances chemical pump surface staining-proof coating, which is characterized in that the wetting agent
For wetting agent wet500.
10. a kind of rare earth as described in claim 1 enhances chemical pump surface staining-proof coating, which is characterized in that the emulsification
Agent is diacetyl tartarate monoglyceride, and thickener is guar gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811338136.8A CN109627942A (en) | 2018-11-12 | 2018-11-12 | A kind of rare earth enhancing chemical pump surface staining-proof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811338136.8A CN109627942A (en) | 2018-11-12 | 2018-11-12 | A kind of rare earth enhancing chemical pump surface staining-proof coating |
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ID=66067755
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| CN104629556A (en) * | 2015-02-05 | 2015-05-20 | 成都双赢产业生态园有限公司 | Rare-earth nano vitrified paint and preparation method thereof |
| CN106336829A (en) * | 2016-09-07 | 2017-01-18 | 江南大学 | Preparation method for DA (Dopamine)-based adhesive |
| CN108485389A (en) * | 2018-03-19 | 2018-09-04 | 浙江巨化技术中心有限公司 | A kind of fluoropolymer powder coatings and its preparation method and application |
-
2018
- 2018-11-12 CN CN201811338136.8A patent/CN109627942A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130344229A1 (en) * | 2006-10-19 | 2013-12-26 | Northwestern University | Surface-independent, surface-modifying, multifunctional coatings and applications thereof |
| CN101058687A (en) * | 2007-02-18 | 2007-10-24 | 张弛一智 | Enhancement self-cleaning antibiotic low surface energy coat capable of being monitored |
| CN104559522A (en) * | 2014-12-22 | 2015-04-29 | 中国人民解放军国防科学技术大学 | Hydrophobic coating and preparation method thereof |
| CN104629556A (en) * | 2015-02-05 | 2015-05-20 | 成都双赢产业生态园有限公司 | Rare-earth nano vitrified paint and preparation method thereof |
| CN106336829A (en) * | 2016-09-07 | 2017-01-18 | 江南大学 | Preparation method for DA (Dopamine)-based adhesive |
| CN108485389A (en) * | 2018-03-19 | 2018-09-04 | 浙江巨化技术中心有限公司 | A kind of fluoropolymer powder coatings and its preparation method and application |
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