CN108034327A - A kind of preparation method of composite coating - Google Patents
A kind of preparation method of composite coating Download PDFInfo
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- CN108034327A CN108034327A CN201711491856.3A CN201711491856A CN108034327A CN 108034327 A CN108034327 A CN 108034327A CN 201711491856 A CN201711491856 A CN 201711491856A CN 108034327 A CN108034327 A CN 108034327A
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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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of preparation method of composite coating, Ca5(PO4)3F nano materials, phenolic resin, glycidyl methacrylate, alkyd resin, ethyl cellulose, acetone, isopropanol and n-butanol are primary raw material, with calcium pyrophosphate, calcirm-fluoride, calcium carbonate etc. for raw material, by being formulated design and solid phase reaction sintering process, using microwave radiation technology boring technique, purity height, the porous C a more larger than surface are prepared at a lower temperature5(PO4)3Filler component of the F nano materials as coating, its primary raw material Ca used5(PO4)3F nano materials, phenolic resin, glycidyl methacrylate mass ratio are 7:4:3；Alkyd resin, ethyl cellulose mass ratio are 1:1；Acetone, isopropanol, n-butanol quality proportioning 3：2：14；Acid and alkali-resistance anti-corrosion composite coating prepared by the present invention greatly improves hardness, glossiness, adhesive force and against weather of film etc., improve its bonding force to metal, glass, cement, polyvinyl fluoride etc., form stable wrapping layer has excellent antiacid caustic corrosion effect to coated material.
Description
Technical field
The present invention relates to a kind of preparation method of acid and alkali-resistance anti-corrosion composite coating, belong to paint field.
Background technology
The purposes of coating is very extensive, can be widely applied to the surface etc. of skin, ground, utensil.One
In a little special dimensions, the soda acid performance and heat resistance of coating have a great impact the stability that coating uses, such as, one
In the workshop of a little soda acids, just there is higher standard to the acidproof alkali ability of coating, can be to normal if not reaching relevant criterion
Production have an impact, in addition, in hot environment, also have very high requirement to the resistance to elevated temperatures of coating, only possess
The heat-resisting and performance of acid and alkali-resistance, can just be applied to special dimension, and conventional anticorrosive paint is mostly solvent type, not only cause big
The waste of solvent is measured, and solvent for use is poisonous, volatile, and environment is polluted, and does not meet environmental requirement, and water paint
There is technique cleaning, advanced technology, low emission, low energy consumption, safe and harmless, therefore, study a kind of novel anticorrosion and apply
Material has great Social benefit and economic benefit.
The content of the invention
It is an object of the invention to provide a kind of composite coating preparation method, the material prepared by this method has excellent
Anti-corrosion effect.
A kind of preparation method of composite coating, this method comprise the following steps：
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;
Step 2, add 7kg alkyd resins, 7Kg ethyl celluloses into above-mentioned retort, is again stirring for, speed of agitator is
80rpm, time 30min;
Step 3, by retort temperature be set as 40 DEG C, and 3Kg acetone, 2Kg isopropanols, the positive fourths of 14Kg are added after temperature stabilization
Alcohol, is stirred after dissolving, speed of agitator 80rpm, time 30min, and question response tank is cooled to room temperature, and is prepared into acid and alkali-resistance
Anti-corrosion composite coating.
The Ca5(PO4)3F preparation method of nano material is as follows：
Step 1, take 25 parts of calcium pyrophosphates, 13 parts of calcirm-fluoride, 8 parts of calcium carbonate, mixes to obtain mixture, adds 35 parts of absolute ethyl alcohols
When ball milling 3 is small in planetary ball mill, then by the material after ball milling when drying 8 is small at a temperature of 100 DEG C, obtained drying
Powder；
The powder of drying, be fitted into steel die by step 2, compressing on a hydraulic press, obtains formed blocks；Again will shaping
Block is put into chamber type electric resistance furnace, at 800 DEG C of temperature, when calcination 6 is small, and the Ca after being calcined5(PO4)3F；
Step 3, by the Ca after calcination5(PO4)3After F is ground 50 minutes, then priority is sieved with the sieve of 150 mesh, 400 mesh,
The oversize of the minus mesh of 150 mesh and 400 mesh is obtained Ca5(PO4)3F powders；
Step 4, in 100 parts of Ca5(PO4)3The Aqueous Solutions of Polyethylene Glycol and 35 parts of matter that 80 parts of mass concentrations are 20% are added in F powders
The aqueous hydrogen peroxide solution that concentration is 40% is measured, stirs 10 minutes, obtains mixture；
Step 5, pour into above-mentioned mixed slurry in glass container, which is put into micro-wave oven and carries out microwave radiation technology and makes
Hole again adds the mixture after microwave radiation technology pore-creating into filter paper mould, when 80 DEG C of temperature drying 12 is small, that is, Ca is made5
(PO4)3F nano materials.
Beneficial effect：Acid and alkali-resistance anti-corrosion composite coating prepared by the present invention, is with calcium pyrophosphate, calcirm-fluoride, calcium carbonate etc.
Raw material, by being formulated design and solid phase reaction sintering process, using microwave radiation technology boring technique, prepares pure at a lower temperature
Degree is high, the porous C a more larger than surface5(PO4)3Filler component of the F nano materials as coating, glycidyl methacrylate
There is active vinyl in molecule and there are the epoxy group Liang Ge functional groups of ionic reaction, can be polymerize in a manner of functional group,
It can be polymerize in a manner of ionic reaction, so, available for the modification of vinyl-type polymer and condensation polymer type polymer, film can be improved
Hardness, glossiness, adhesive force and against weather etc., can improve its bonding force to metal, glass, cement, polyvinyl fluoride etc., shape
There is excellent antiacid caustic corrosion effect to coated material into stable wrapping layer.
Embodiment
Embodiment 1
A kind of preparation method of composite coating, this method comprise the following steps：
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;
Step 2, add 7kg alkyd resins, 7Kg ethyl celluloses into above-mentioned retort, is again stirring for, speed of agitator is
80rpm, time 30min;
Step 3, by retort temperature be set as 40 DEG C, and 3Kg acetone, 2Kg isopropanols, the positive fourths of 14Kg are added after temperature stabilization
Alcohol, is stirred after dissolving, speed of agitator 80rpm, time 30min, and question response tank is cooled to room temperature, and is prepared into acid and alkali-resistance
Anti-corrosion composite coating.
The Ca5(PO4)3F preparation method of nano material is as follows：
Step 1, take 25 parts of calcium pyrophosphates, 13 parts of calcirm-fluoride, 8 parts of calcium carbonate, mixes to obtain mixture, adds 35 parts of absolute ethyl alcohols
When ball milling 3 is small in planetary ball mill, then by the material after ball milling when drying 8 is small at a temperature of 100 DEG C, obtained drying
Powder；
The powder of drying, be fitted into steel die by step 2, compressing on a hydraulic press, obtains formed blocks；Again will shaping
Block is put into chamber type electric resistance furnace, at 800 DEG C of temperature, when calcination 6 is small, and the Ca after being calcined5(PO4)3F；
Step 3, by the Ca after calcination5(PO4)3After F is ground 50 minutes, then priority is sieved with the sieve of 150 mesh, 400 mesh,
The oversize of the minus mesh of 150 mesh and 400 mesh is obtained Ca5(PO4)3F powders；
Step 4, in 100 parts of Ca5(PO4)3The Aqueous Solutions of Polyethylene Glycol and 35 parts of matter that 80 parts of mass concentrations are 20% are added in F powders
The aqueous hydrogen peroxide solution that concentration is 40% is measured, stirs 10 minutes, obtains mixture；
Step 5, pour into above-mentioned mixed slurry in glass container, which is put into micro-wave oven and carries out microwave radiation technology and makes
Hole again adds the mixture after microwave radiation technology pore-creating into filter paper mould, when 80 DEG C of temperature drying 12 is small, that is, Ca is made5
(PO4)3F nano materials.
Embodiment 2
Step 1, by retort temperature be set as 80 DEG C, adds 14Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 3
Step 1, by retort temperature be set as 80 DEG C, adds 7Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 4
Step 1, by retort temperature be set as 80 DEG C, adds 1.0Kg Ca into retort after temperature stabilization5(PO4)3F receives
Rice material, 12Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 5
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 6Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 6
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 6Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 7
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 3Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 8
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 3Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Embodiment 9
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 3Kg activated carbon fibers, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred
Mix, speed of agitator 80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
The activated carbon fiber preparation method is as follows：
Carbon fiber is placed in acetone soln and soaks 12h, is filtered, deionized water is washed 3 times, dry in 120 DEG C of blast driers
4h, with 60% nitric acid reflux oxidation carbon fiber 7h, filtering, deionized water washing PH=6, are dried extremely in 120 DEG C of blast driers
Constant weight；The carbon fiber of nitric acid oxidation is placed in polyvinylpyrrolidone, lauryl sodium sulfate and equivalent to its total weight parts
In the solution of 12 times of deionized water configuration, ultrasonic 50min, 60 DEG C of dryings, obtain oxidation activity carbon fiber.
Embodiment 10
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 0.1Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;Remaining is prepared and embodiment 1 is identical.
Reference examples 1
It is with 1 difference of embodiment：In step 1 prepared by acid and alkali-resistance composite coating, Ca is not added5(PO4)3F nanometers of materials
Material, remaining step are identical with embodiment 1.
Reference examples 2
It is with 1 difference of embodiment：In step 1 prepared by acid and alkali-resistance composite coating, it is sweet that Glycidyl methacrylate is not added
Grease, remaining step are identical with embodiment 1.
Reference examples 3
It is with 1 difference of embodiment：In step 2 prepared by acid and alkali-resistance composite coating, 1kg alkyd is added into above-mentioned retort
Resin, 7Kg ethyl celluloses, remaining step are identical with embodiment 1.
Reference examples 4
It is with 1 difference of embodiment：In step 1 prepared by acid and alkali-resistance composite coating, 7kg alkyd is added into above-mentioned retort
Resin, 1Kg ethyl celluloses, remaining step are identical with embodiment 1.
Reference examples 5
It is with 1 difference of embodiment：In step 3 prepared by acid and alkali-resistance composite coating, acetone is not added, remaining step and reality
It is identical to apply example 1.
Reference examples 6
It is with 1 difference of embodiment：It is constant with formaldehyde substitution acetone dosage in step 3 prepared by acid and alkali-resistance composite coating, its
Remaining step is identical with embodiment 1.
Reference examples 7
It is with 1 difference of embodiment：Ca5(PO4)3In step 1 prepared by F nano materials, pyrophosphoric acid is not added in mixture
Calcium, remaining step are identical with embodiment 1.
Reference examples 8
It is with 1 difference of embodiment：Ca5(PO4)3In step 1 prepared by F nano materials, fluorination is not added in mixture
Calcium, remaining step are identical with embodiment 1.
Reference examples 9
It is with 1 difference of embodiment：Ca5(PO4)3In step 4 prepared by F nano materials, it is molten that aquae hydrogenii dioxidi is not added
Liquid, remaining step are identical with embodiment 1.
Reference examples 10
It is with 1 difference of embodiment：Ca5(PO4)3In step 4 prepared by F nano materials, substitute peroxide with aqueous sodium carbonate
Change aqueous solution of hydrogen dosage is constant, remaining step is identical with embodiment 1.
Choose the acid and alkali-resistance nano paint being prepared and carry out performance detection respectively, 70mm × 150mm × 1.5mm is passed through in advance
The common low carbon sheet metals with holes that 500 mesh sand paper manually derust, 40 DEG C of xylene solvent cleaning is dried are crossed to enter in construction paint,
Time of immersion 25s, spontaneously dries 24h after the completion of dip-coating, 300 μm of paint film gross thickness is molten in the sulfuric acid of 10% concentration by paint film model
Soaked 1 month in liquid and in the sodium hydroxide solution of 10% concentration, 25 DEG C of test temperature, relative humidity 50%.
Test result indicates that acid and alkali-resistance anti-corrosion composite coating provided by the invention has good rust-proof effect, coating is surveyed in standard
Under the conditions of examination, acid subtracts that soaking concentration is certain, and cosmetic variation is smaller, and rate of corrosion is lower, illustrates that resistance to acid and alkali is better, conversely, effect
It is poorer；Embodiment 1 arrives embodiment 10, changes the proportioning of each raw material composition in acid and alkali-resistance anticorrosive paint respectively, material is prevented
Rotten performance has different degrees of influence, in Ca5(PO4)3F nano materials, phenolic resin, glycidyl methacrylate matter
Amount is than being 7:4:3, when other dispensing dosages are fixed, anti-corrosion effect is best；It is worth noting that embodiment 11 adds activated carbon fibre
Dimension, rust-proof effect significantly improve, and coating appearance does not change, and illustrates that activated carbon fiber has the acid-alkali-corrosive-resisting of filling-material structure
More preferable optimization function；Reference examples 1 to reference examples 2 do not use Ca5(PO4)3F nano materials and methyl propenoic acid glycidyl
Ester, rust-proof effect are decreased obviously, and illustrate Ca5(PO4)3F and glycidyl methacrylate produce important shadow to the modified of coating
Ring；Reference examples 3 change alkyd resin and ethyl cellulose proportioning to reference examples 4, and effect is also bad, and coating blistering occurs and fades；
Reference examples 5 to reference examples 6 do not add acetone and with formaldehyde substitution acetone dosage it is constant, rust-proof effect substantially reduces, and illustrates third
Ketone is very big to the compound influence of paint structure；Reference examples 7 do not add calcium pyrophosphate and calcirm-fluoride into 8 mixture of reference examples,
Ca5(PO4)3F nano materials change, and the resistance to acid and alkali of coating is substantially deteriorated；Reference examples 9 and reference examples 10 did not added
Oxidation aqueous solution of hydrogen is simultaneously constant with aqueous sodium carbonate substitution aqueous hydrogen peroxide solution dosage, and effect is still bad, illustrates peroxide
The pore-creating effect for changing hydrogen has material impact to the soda acid separation layer of material；Therefore the composite coating prepared using the present invention has good
Good acid-alkali-corrosive-resisting effect.
Claims (2)
1. a kind of preparation method of composite coating, it is characterised in that this method comprises the following steps：
Step 1, by retort temperature be set as 80 DEG C, adds 21Kg Ca into retort after temperature stabilization5(PO4)3F nanometers
Material, 12Kg phenolic resin, 9Kg glycidyl methacrylate, above-mentioned three kinds of components are stirred, speed of agitator is
80rpm, time 40min;
Step 2, add 7kg alkyd resins, 7Kg ethyl celluloses into above-mentioned retort, is again stirring for, speed of agitator is
80rpm, time 30min;
Step 3, by retort temperature be set as 40 DEG C, and 3Kg acetone, 2Kg isopropanols, the positive fourths of 14Kg are added after temperature stabilization
Alcohol, is stirred after dissolving, speed of agitator 80rpm, time 30min, and question response tank is cooled to room temperature, and is prepared into acid and alkali-resistance
Anti-corrosion composite coating.
A kind of 2. preparation method of composite coating according to claim 1, it is characterised in that
The Ca5(PO4)3F preparation method of nano material is as follows：
Step 1, take 25 parts of calcium pyrophosphates, 13 parts of calcirm-fluoride, 8 parts of calcium carbonate, mixes to obtain mixture, adds 35 parts of absolute ethyl alcohols
When ball milling 3 is small in planetary ball mill, then by the material after ball milling when drying 8 is small at a temperature of 100 DEG C, obtained drying
Powder；
The powder of drying, be fitted into steel die by step 2, compressing on a hydraulic press, obtains formed blocks；Again will shaping
Block is put into chamber type electric resistance furnace, at 800 DEG C of temperature, when calcination 6 is small, and the Ca after being calcined5(PO4)3F；
Step 3, by the Ca after calcination5(PO4)3After F is ground 50 minutes, then priority is sieved with the sieve of 150 mesh, 400 mesh,
The oversize of the minus mesh of 150 mesh and 400 mesh is obtained Ca5(PO4)3F powders；
Step 4, in 100 parts of Ca5(PO4)3The Aqueous Solutions of Polyethylene Glycol and 35 parts of matter that 80 parts of mass concentrations are 20% are added in F powders
The aqueous hydrogen peroxide solution that concentration is 40% is measured, stirs 10 minutes, obtains mixture；
Step 5, pour into above-mentioned mixed slurry in glass container, which is put into micro-wave oven and carries out microwave radiation technology and makes
Hole again adds the mixture after microwave radiation technology pore-creating into filter paper mould, when 80 DEG C of temperature drying 12 is small, that is, Ca is made5
(PO4)3F nano materials.
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| CN201711491856.3A CN108034327A (en) | 2017-12-30 | 2017-12-30 | A kind of preparation method of composite coating |
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| CN201711491856.3A CN108034327A (en) | 2017-12-30 | 2017-12-30 | A kind of preparation method of composite coating |
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| CN107163815A (en) * | 2017-06-08 | 2017-09-15 | 李滋方 | Anticorrosion, fireproof steel structure special coating and preparation method thereof |
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2017
- 2017-12-30 CN CN201711491856.3A patent/CN108034327A/en active Pending
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|---|---|---|---|---|
| CN1850299A (en) * | 2006-04-26 | 2006-10-25 | 中南大学 | High-strength biological-active glass ceramic-resin composite and its preparing method thereof |
| CN103497640A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Aluminum-silver-powder powdery coating |
| CN106045495A (en) * | 2016-05-25 | 2016-10-26 | 西南科技大学 | Method for preparing porous fluorapatite ceramic adsorbing radioactive nuclide |
| CN107163815A (en) * | 2017-06-08 | 2017-09-15 | 李滋方 | Anticorrosion, fireproof steel structure special coating and preparation method thereof |
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Application publication date: 20180515 |