CN106519871A - Modified nanometer graphite reinforced water-based fluorocarbon antirust coating material for vehicle chassis, and preparation method thereof - Google Patents
Modified nanometer graphite reinforced water-based fluorocarbon antirust coating material for vehicle chassis, and preparation method thereof Download PDFInfo
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- CN106519871A CN106519871A CN201610905386.XA CN201610905386A CN106519871A CN 106519871 A CN106519871 A CN 106519871A CN 201610905386 A CN201610905386 A CN 201610905386A CN 106519871 A CN106519871 A CN 106519871A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
- C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/22—Esters containing halogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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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
- 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
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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
- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
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- 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
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- 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
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Abstract
The invention discloses a modified nanometer graphite reinforced water-based fluorocarbon antirust coating material for vehicle chassis, and a preparation method thereof. According to the present invention, according to the modified nanometer graphite, a maleic anhydride and poly dopamine are subjected to a copolymerization reaction on the surface to form a composite film layer so as to provide good compatibility and good dispersion property and improve the poor affinity of the nanometer graphite in the aqueous emulsion; the surface has a certain self-assembly performance and the uniform and stable protection film can be formed on the surface of the chassis so as to substantially improve the wear resistance and the corrosion resistance of the coating material; and the antirust pigment being subjected to the ultra-branched polyether emulsion grinding treatment has good dispersibility and good bonding property in the resin system and provides the excellent antirust effect, such that the product integrating the environmental protection and the long-term rust resistance is finally produced, and the vehicle chassis antirust lasting period of the coating material of the present invention is longer compared to the conventional aqueous coating material.
Description
Technical field
The present invention relates to aqueous rust-proof coatings technical field, more particularly to a kind of automobile chassis is strengthened with modified nano graphite
Water base fluorine carbon antirusting paint and preparation method thereof.
Background technology
As its name suggests, automobile chassis is in bottom of car, and which is constantly in more dark environment, and in running car
During can be impacted by rainwater, sandstone, cause surface damaged, accelerating corrosion occur, the serious service life for reducing chassis,
Therefore the antirust for strengthening automobile chassis is most important.
Most directly effectively chassis rust preventing is the rust prevention by applying liquid material paint on chassis, and traditional chassis antirust paint is mainly oil
Property coating, the advantage of oil paint is that the coating which forms is thicker, and service life is longer, but its fatal shortcoming is dirt
Dye is larger, does not meet the production requirement of modern environmental protection.Water paint popular in recent years is reviewed in terms of environmental-protecting performance
Can meet and require, its mechanical performance is better than oil paint in some aspects, but the aqueous rust-proof coatings of routine easily come off, with
Adhesive force between base material is poor, and water penetration is big, and closure is not enough, so as to cause its rust-proof effect limited.
Water-based fluorocarbon resin because of its unique structure, at aspects such as durability, corrosion resistance, resistances to soiling than other class water
Property coating has prominent advantage, has good application prospect in terms of automobile chassis antirust.《Novel watersoluble fluorine carbon anticorrosive paint
Performance study》, using fluorine carbon emulsion as film forming binder, composite iron-titanium powder and modified zinc phosphate are used as main anti-corrosion paint, system for one text
The coating for obtaining shows good sealing effectiveness and Corrosion Protection, but fluorocarbon resin there is also some defects, such as solidifies temperature
Spend that higher, hardening time is longer, tack is poor, and the wettability of filler it is poor, relatively costly etc. the problems such as, needs do further
Modification, to improve its market using value.
The content of the invention
The object of the invention is exactly for the defect for making up prior art, there is provided a kind of automobile chassis is increased with modified nano graphite
Strong water base fluorine carbon antirusting paint and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of automobile chassis enhanced water base fluorine carbon antirusting paint of modified nano graphite, raw material of the coating by following weight portion
Make：Trifluoroethyl methacrylate 10-15, hydroxyethyl methylacrylate 8-12, acrylic acid 3-5, nano-graphite 3-5, hydrochloric acid
Dopamine 2-3, maleic anhydride 1-2, DMAP 0.01-0.02, sodium lauryl sulphate 0.1-0.2, alkyl phenol gather
Oxygen vinyl Ether 0.4-0.5, potassium peroxydisulfate 1-2, deionized water 40-50, hyperbranched polyether emulsion 12-15, defoamer 0.4-0.5,
Rust resisting pigment 3-6, Lauryl Alcohol ester 1-2, DMF 15-25.
Described hyperbranched polyether emulsion is made up of the raw material of following weight portion：Isophorone diisocyanate 8-12, two
Dibutyl tin laurate 0.1-0.2, DMF 12-16, expoxy propane 12-15, poly glycol monomethyl ether 3-5,
Glycidyl ether 2-5, DMC catalysts 0.8-1.2, deionized water 40-50, dodecyl sodium sulfate 0.4-0.5,
Preparation method is：
（1）First take the isophorone diisocyanate of 6-8 weight portions, DMC catalysts to put in reactor, vacuum
After processed, stirring is warming up to 132-138 DEG C under nitrogen atmosphere, and the expoxy propane of 1/3 weight portion of subsequent Deca continues to stir
The expoxy propane of mixing 20-30min, subsequent Deca glycidyl ether and surplus is mixed, is stirred in Deca, addition continues after finishing
Stirring reaction 2-3h, reaction terminate rear system and are cooled to stratification after room temperature, remove unreacted monomer, obtain superbrnaching end-hydroxy
Polyether polyol is standby；
（2）The isophorone diisocyanate of remainder amount, is put in DMF, is added after being uniformly mixed
Enter dibutyl tin laurate, rear system oil bath heating is uniformly mixed to 35-40 DEG C, insulation reaction 2-3h, resulting solution
It is standby；
（3）Will dodecyl sodium sulfate put into deionized water in be configured to mixed emulsion, and by system heating in water bath to 75-80
DEG C, it is subsequently added step（1）Obtained superbrnaching end-hydroxy polyether polyol, with step（2）The material mix homogeneously of preparation, body
System is heated to 75-80 DEG C, stirs hybrid reaction 5-6h under nitrogen atmosphere, and reaction adds deionized water, dodecyl after terminating
Sodium sulfonate, ultrasonic emulsification 40-50min obtain final product described hyperbranched polyether emulsion.
A kind of preparation method of the enhanced water base fluorine carbon antirusting paint of described automobile chassis modified nano graphite is：
（1）The deionized water of 15-20 weight portions is first taken, Dopamine Hydrochloride is subsequently put into, is stirred to which to put into after being completely dissolved and is received
Meter Shi Mo, system ultrasonication 2-3h, process terminate the nanometer that rear system obtains poly-dopamine modification Jing sucking filtration, washing, after being dried
Graphite；
（2）Take in DMF addition reaction vessel, be subsequently added into maleic anhydride, stir to which and incite somebody to action after being completely dissolved
System is heated to 50-60 DEG C, is subsequently added step（1）Nano-graphite, 4- dimethylamino pyrroles after the poly-dopamine modification of preparation
Pyridine, stirring reaction 1-1.5h, reaction terminate rear system and are cooled to room temperature, and Jing sucking filtration, washing, after being dried, products therefrom is standby；
（3）Will balance deionized water put into reaction vessel in, be subsequently added into sodium lauryl sulphate, alkylphenol polyoxyethylene,
The potassium peroxydisulfate of 1/3 weight portion, stirring make which be completely dissolved mixing, are subsequently added the methacrylic acid trifluoro second of 1/3 weight portion
The hydroxyethyl methylacrylate of ester, the acrylic acid of 1/3 weight portion and 1/3 weight portion, is uniformly mixed rear system and is warming up to
50-60 DEG C, after reacting 40-50min, sequentially add the trifluoroethyl methacrylate of surplus, acrylic acid, hydroxyethyl methacrylate second
Ester, potassium peroxydisulfate and step（2）The material of preparation, stirring while adding, addition finishes rear insulation reaction 50-60min, reaction knot
Be cooled to room temperature after beam, filter, mixed emulsion it is standby；
（4）By hyperbranched polyether emulsion, the process of rust resisting pigment mixing and ball milling, to 50 μm of Slurry Granularity ＜, subsequently by gained slurry
With step（2）The mixed emulsion of preparation, adds other leftover materials after stirring 40-50min, continues stirring mixing 40-50min,
Last deionized water adjusts viscosity, obtains final product product after filtration.
The present invention is prepared for a kind of water base fluorocarbon coating of the enhanced high rust-preventing characteristic of modified nano graphite, described modified to receive
Meter Shi Mo is to form composite film by maleic anhydride, poly-dopamine in its surface and copolymerized reaction so which has good compatible
Property and dispersibility, improve nano-graphite in water-based emulsion affinity difference defect, while the certain self assembly in its surface
Can, uniform and stable protecting film can be formed in chassis surface, so as to drastically increase wear-resistant, the corrosion resistance of coating,
And the rust resisting pigment Jing after hyperbranched polyether emulsion milled processed has more preferable dispersibility and associativity in resin system, prevent
Rust effect it is more excellent, be finally obtained have concurrently environmental protection and long-acting antirust product, its antirust cycle to automobile chassis than
Conventional water paint is more lasting.
Specific embodiment
A kind of automobile chassis enhanced water base fluorine carbon antirusting paint of modified nano graphite, the coating is by following weight portion
Raw material is made：Trifluoroethyl methacrylate 10, hydroxyethyl methylacrylate 8, acrylic acid 3, nano-graphite 3, Dopamine Hydrochloride
2nd, maleic anhydride 1, DMAP 0.01, sodium lauryl sulphate 0.1, alkylphenol polyoxyethylene 0.4, potassium peroxydisulfate
1st, deionized water 40, hyperbranched polyether emulsion 12, defoamer 0.4, rust resisting pigment 3, Lauryl Alcohol ester 1, N, N- dimethyl formyls
Amine 15.
Wherein hyperbranched polyether emulsion is made up of the raw material of following weight portion：Isophorone diisocyanate 8, tin dilaurate
Dibutyl tin 0.1, DMF 12, expoxy propane 12, poly glycol monomethyl ether 3, glycidyl ether 2, bimetallic
Cyanide catalyst 0.8, deionized water 40, dodecyl sodium sulfate 0.4, its preparation method is：
（1）First take the isophorone diisocyanate of 6 weight portions, DMC catalysts to put in reactor, vacuum takes off
After water process, stirring is warming up to 132 DEG C under nitrogen atmosphere, the expoxy propane of 1/3 weight portion of subsequent Deca, continues stirring mixing
The expoxy propane of 20min, subsequent Deca glycidyl ether and surplus, stirs in Deca, and addition continues stirring reaction after finishing
2h, reaction terminate rear system and are cooled to stratification after room temperature, remove unreacted monomer, obtain superbrnaching end-hydroxy polyether polyol
It is standby；
（2）The isophorone diisocyanate of remainder amount, is put in DMF, is added after being uniformly mixed
Entering dibutyl tin laurate, rear system oil bath heating being uniformly mixed to 35 DEG C, insulation reaction 2h, resulting solution are standby；
（3）Dodecyl sodium sulfate is put in deionized water and is configured to mixed emulsion, and by system heating in water bath to 75 DEG C, with
After add step（1）Obtained superbrnaching end-hydroxy polyether polyol, with step（2）The material mix homogeneously of preparation, system add
Heat stirs hybrid reaction 5h to 75 DEG C, under nitrogen atmosphere, and reaction adds deionized water, dodecyl sodium sulfate after terminating, surpasses
Sound emulsifying 40min, obtains final product described hyperbranched polyether emulsion.
The preparation method of the embodiment coating is：
（1）The deionized water of 15 weight portions is first taken, Dopamine Hydrochloride is subsequently put into, and to be stirred to which and nanometer stone is put into after being completely dissolved
Ink, system ultrasonication 2h, process terminate the nano-graphite that rear system obtains poly-dopamine modification Jing sucking filtration, washing, after being dried；
（2）Take in DMF addition reaction vessel, be subsequently added into maleic anhydride, stir to which and incite somebody to action after being completely dissolved
System is heated to 50 DEG C, is subsequently added step（1）Nano-graphite, DMAP after the poly-dopamine modification of preparation,
Stirring reaction 1h, reaction terminate rear system and are cooled to room temperature, and Jing sucking filtration, washing, after being dried, products therefrom is standby；
（3）Will balance deionized water put into reaction vessel in, be subsequently added into sodium lauryl sulphate, alkylphenol polyoxyethylene,
The potassium peroxydisulfate of 1/3 weight portion, stirring make which be completely dissolved mixing, are subsequently added the methacrylic acid trifluoro second of 1/3 weight portion
The hydroxyethyl methylacrylate of ester, the acrylic acid of 1/3 weight portion and 1/3 weight portion, is uniformly mixed rear system and is warming up to
50 DEG C, after reacting 40min, sequentially add the trifluoroethyl methacrylate of surplus, acrylic acid, hydroxyethyl methylacrylate, over cure
Sour potassium and step（2）The material of preparation, stirring while adding, addition finishes rear insulation reaction 50min, and reaction is cooled to after terminating
Room temperature, filter, mixed emulsion it is standby；
（4）By hyperbranched polyether emulsion, the process of rust resisting pigment mixing and ball milling, to 50 μm of Slurry Granularity ＜, subsequently by gained slurry
With step（2）The mixed emulsion of preparation, adds other leftover materials after stirring 40min, continues stirring mixing 40min, finally uses
Deionized water adjusts viscosity, obtains final product product after filtration.
The coating of preparation carries out performance test in accordance with antirust paint standard, and test result is as follows：
| Project | Performance indications |
| Paint film appearance | Normally |
| Viscosity（25℃/s） | 38 |
| Surface drying time（h） | ＜ 1.5 |
| Do solid work the time（h） | ＜ 30 |
| Resistance to impact/cm | 42 |
| Paint film adhesion（Level） | One-level |
| Resistance to salt water | 1450h is unchanged |
| Salt fog resistance | 1280h is without exception |
| Acid resistance | 942h is unchanged |
| Alkali resistance | 976h is unchanged |
| Outdoor weathe resistance（24 months） | Generation significant change |
Claims (3)
1. a kind of automobile chassis enhanced water base fluorine carbon antirusting paint of modified nano graphite, it is characterised in that the coating by with
The raw material of lower weight portion is made：Trifluoroethyl methacrylate 10-15, hydroxyethyl methylacrylate 8-12, acrylic acid 3-5, receive
Meter Shi Mo 3-5, Dopamine Hydrochloride 2-3, maleic anhydride 1-2, DMAP 0.01-0.02, sodium lauryl sulphate
0.1-0.2, alkylphenol polyoxyethylene 0.4-0.5, potassium peroxydisulfate 1-2, deionized water 40-50, hyperbranched polyether emulsion 12-
15th, defoamer 0.4-0.5, rust resisting pigment 3-6, Lauryl Alcohol ester 1-2, DMF 15-25.
2. a kind of automobile chassis enhanced water base fluorine carbon antirusting paint of modified nano graphite as claimed in claim 1, which is special
Levy and be, described hyperbranched polyether emulsion is made up of the raw material of following weight portion：Isophorone diisocyanate 8-12, February
Dilaurylate 0.1-0.2, DMF 12-16, expoxy propane 12-15, poly glycol monomethyl ether 3-5, contracting
Water glycerin ether 2-5, DMC catalysts 0.8-1.2, deionized water 40-50, dodecyl sodium sulfate 0.4-0.5, system
Preparation Method is：
（1）First take the isophorone diisocyanate of 6-8 weight portions, DMC catalysts to put in reactor, vacuum
After processed, stirring is warming up to 132-138 DEG C under nitrogen atmosphere, and the expoxy propane of 1/3 weight portion of subsequent Deca continues to stir
The expoxy propane of mixing 20-30min, subsequent Deca glycidyl ether and surplus is mixed, is stirred in Deca, addition continues after finishing
Stirring reaction 2-3h, reaction terminate rear system and are cooled to stratification after room temperature, remove unreacted monomer, obtain superbrnaching end-hydroxy
Polyether polyol is standby；
（2）The isophorone diisocyanate of remainder amount, is put in DMF, is added after being uniformly mixed
Enter dibutyl tin laurate, rear system oil bath heating is uniformly mixed to 35-40 DEG C, insulation reaction 2-3h, resulting solution
It is standby；
（3）Will dodecyl sodium sulfate put into deionized water in be configured to mixed emulsion, and by system heating in water bath to 75-80
DEG C, it is subsequently added step（1）Obtained superbrnaching end-hydroxy polyether polyol, with step（2）The material mix homogeneously of preparation, body
System is heated to 75-80 DEG C, stirs hybrid reaction 5-6h under nitrogen atmosphere, and reaction adds deionized water, dodecyl after terminating
Sodium sulfonate, ultrasonic emulsification 40-50min obtain final product described hyperbranched polyether emulsion.
3. preparation of a kind of automobile chassis as claimed in claim 1 with the enhanced water base fluorine carbon antirusting paint of modified nano graphite
Method, it is characterised in that described preparation method is：
（1）The deionized water of 15-20 weight portions is first taken, Dopamine Hydrochloride is subsequently put into, is stirred to which to put into after being completely dissolved and is received
Meter Shi Mo, system ultrasonication 2-3h, process terminate the nanometer that rear system obtains poly-dopamine modification Jing sucking filtration, washing, after being dried
Graphite；
（2）Take in DMF addition reaction vessel, be subsequently added into maleic anhydride, stir to which and incite somebody to action after being completely dissolved
System is heated to 50-60 DEG C, is subsequently added step（1）Nano-graphite, 4- dimethylamino pyrroles after the poly-dopamine modification of preparation
Pyridine, stirring reaction 1-1.5h, reaction terminate rear system and are cooled to room temperature, and Jing sucking filtration, washing, after being dried, products therefrom is standby；
（3）Will balance deionized water put into reaction vessel in, be subsequently added into sodium lauryl sulphate, alkylphenol polyoxyethylene,
The potassium peroxydisulfate of 1/3 weight portion, stirring make which be completely dissolved mixing, are subsequently added the methacrylic acid trifluoro second of 1/3 weight portion
The hydroxyethyl methylacrylate of ester, the acrylic acid of 1/3 weight portion and 1/3 weight portion, is uniformly mixed rear system and is warming up to
50-60 DEG C, after reacting 40-50min, sequentially add the trifluoroethyl methacrylate of surplus, acrylic acid, hydroxyethyl methacrylate second
Ester, potassium peroxydisulfate and step（2）The material of preparation, stirring while adding, addition finishes rear insulation reaction 50-60min, reaction knot
Be cooled to room temperature after beam, filter, mixed emulsion it is standby；
（4）By hyperbranched polyether emulsion, the process of rust resisting pigment mixing and ball milling, to 50 μm of Slurry Granularity ＜, subsequently by gained slurry
With step（2）The mixed emulsion of preparation, adds other leftover materials after stirring 40-50min, continues stirring mixing 40-50min,
Last deionized water adjusts viscosity, obtains final product product after filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905386.XA CN106519871A (en) | 2016-10-17 | 2016-10-17 | Modified nanometer graphite reinforced water-based fluorocarbon antirust coating material for vehicle chassis, and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905386.XA CN106519871A (en) | 2016-10-17 | 2016-10-17 | Modified nanometer graphite reinforced water-based fluorocarbon antirust coating material for vehicle chassis, and preparation method thereof |
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| CN106519871A true CN106519871A (en) | 2017-03-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395497A (en) * | 2018-01-22 | 2018-08-14 | 中国科学院兰州化学物理研究所 | Ultraluminescence type space lubricating oil is creeped barrier material |
| CN117511383A (en) * | 2023-11-01 | 2024-02-06 | 东莞市瑞盟涂料有限公司 | Environment-friendly ultraviolet curing insulating paint and preparation process thereof |
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| CN101117450A (en) * | 2007-07-23 | 2008-02-06 | 江南大学 | Preparation method of non-ionic hyperbranched macromolecular dispersant for organic pigment |
| CN101250369A (en) * | 2008-03-25 | 2008-08-27 | 中国科学院广州化学研究所 | Aqueous composite paint containing amphiphilic fluorine-containing acrylate blocking copolymer and preparation thereof |
| CN104449154A (en) * | 2014-11-28 | 2015-03-25 | 合肥工业大学 | Water-based chromium-free fingerprint-resistant paint for galvanized steel plate |
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2016
- 2016-10-17 CN CN201610905386.XA patent/CN106519871A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117450A (en) * | 2007-07-23 | 2008-02-06 | 江南大学 | Preparation method of non-ionic hyperbranched macromolecular dispersant for organic pigment |
| CN101250369A (en) * | 2008-03-25 | 2008-08-27 | 中国科学院广州化学研究所 | Aqueous composite paint containing amphiphilic fluorine-containing acrylate blocking copolymer and preparation thereof |
| CN104449154A (en) * | 2014-11-28 | 2015-03-25 | 合肥工业大学 | Water-based chromium-free fingerprint-resistant paint for galvanized steel plate |
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