CN107286777A - A kind of conductive anti-corrosive primer coating of water nano polyaniline epoxy acrylic resin - Google Patents
A kind of conductive anti-corrosive primer coating of water nano polyaniline epoxy acrylic resin Download PDFInfo
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- CN107286777A CN107286777A CN201710606936.2A CN201710606936A CN107286777A CN 107286777 A CN107286777 A CN 107286777A CN 201710606936 A CN201710606936 A CN 201710606936A CN 107286777 A CN107286777 A CN 107286777A
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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
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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
- C09D5/24—Electrically-conducting paints
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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
- 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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Abstract
The present invention relates to a kind of conductive anti-corrosive primer coating of water nano polyaniline epoxy acrylic resin, mixed and obtained by nano polyaniline epoxy acrylic resin mixture, water soluble acrylic acid antirust emulsion, color stuffing and auxiliary agent.The present invention makes aniline polymerize in epoxy acrylic resin using the method for in-situ emulsion polymerization, forms the nano polyaniline particle of resin parcel, and is evenly dispersed in resin, then is mixed to get with water soluble acrylic acid antirust emulsion, color stuffing and auxiliary agent.The anti-corrosive primer coating not only realizes Water-borne modification but also preferably combines in-situ emulsion polymerization technology and nanometer technology, and nano polyaniline particle dispersion problem in coating on the one hand can be solved well, coating is had preferably conductive antiseptic property；On the other hand also by solvent-free addition profit can be avoided to be layered and causes product poor storage stability.
Description
Technical field
The present invention is a kind of conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin, the conductive anti-corrosion
The conductive polymer anticorrosive paint that primer base belongs in water paint and nano anti-corrosive material.
Background technology
Conductive anti-corrosion coating is a kind of new anti-corrosion coating, and this kind of coating can not only conduct electric current and exclude substrate surface
Accumulation electrostatic charge, but also be a kind of functional form sapecial coating, it can be coated on any shape with good antiseptic property
The surface or inside of shape base material.Conductive anti-corrosion coating has easy construction, equipment simple, with low cost and had a wide range of application etc. all
Many advantages, such a coating is mainly used in the fields such as oil, chemical industry, building, aviation and military affairs.Conventional conductive anticorrosive paint is general
It is addition conductive material (such as gold in insulation high polymer (such as epoxy resin, acrylic resin, alkyd resin and polyurethane)
Category, graphite etc.) and anticorrosive pigment/filler (such as aluminium triphosphate, zinc yellow, aluminium powder, trbasic zinc phosphate) etc..
Polyaniline is a kind of new polymer conducting material, and it not only has good electric conductivity and stability, and
Also there is light weight, synthesis technique is simple, many advantages, such as synthesizing with low cost has quite varied purposes.Polyaniline exists
When addition is 5~8% in electrically-conducting paint, its conductive effect compares favourably when can be 40% with conventional conductive filler addition, especially
It is to be in nano level polyaniline, not only with splendid electric conductivity, but also is a kind of with excellent antiseptic property
Prepare the ideal conductive anticorrosive packing of conductive anti-corrosion coating, therefore, the preparation of polyaniline compound conductive anti-corrosion coating by
The extensive concern of people and research.
At present, the preparation of polyaniline-polymeric conductive anti-corrosion coating mainly uses dispersion method：Utilize the side of chemical reaction
Method synthesizes the polyaniline particle of nanometer or non-nano level, recycles stirring or the method for ultrasound that polyaniline particle is dispersed in into base
Conductive anti-corrosion coating is formed in resin.The subject matter for preparing the presence of layer/polyaniline conductive anticorrosive paint in this way is polyaniline
Poor dispersion of the particle in coating, is difficult with nano-particle in coating because nano polyaniline particle is easy to reunite
State distribution, thus influence coating conduction and antiseptic effect.
The content of the invention
The present invention is aiming above mentioned problem, and a kind of water nano polyaniline-epoxy acrylic resin conduction of development is anti-
Rotten primer base.The conductive anti-corrosive primer coating of gained water nano polyaniline-epoxy acrylic resin is compared with conventional conductive anti-corrosion bottom
Paint coating has the advantage that：Electric conductivity is stable；Coating electricity can be adjusted by controlling the addition of nano polyaniline simultaneously
Resistance size；Nano polyaniline particle is uniformly dispersed in coating, surface flow leveling is good, splendid with base material adhesive force, when drying
Between it is fast, it is easy to operate.
The technical scheme that the present invention is provided is：
A kind of conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin, it is characterised in that nanometer polyphenyl
Amine-epoxy acrylic resin mixture, water soluble acrylic acid antirust emulsion, color stuffing and auxiliary agent, pass through moisture evaporation and crosslinking
Reaction forms polymer compelx coating, is mixed by following weight percent, including nano polyaniline-epoxy acrylic tree
0.1~3Wt% of lipoprotein mixture, water soluble acrylic acid 25~75Wt% of antirust emulsion, 0.3~2.5Wt% of coupling agent, coalescents
For 0.5~10Wt%, 0.2~5Wt% of dispersant, 0.1~4Wt% of preservative, 0.3~5Wt% of wetting agent, thickener 0.1~
10Wt%, 0.2~7Wt% of nertralizer, 2~20Wt% of antifreezing agent, 0.1~2Wt% of defoamer, 0.1~2Wt% of levelling agent, are filled out
Expect 10~45Wt%, 0.2~5Wt% of initiator.
The nano polyaniline-epoxy acrylic resin mixture refers to, is prepared with weight percentage by following material
Form, ammonium persulfate is that oxidant (2~10Wt%), DBSA are dopant and emulsifying agent (3~20Wt%), water
(20~60Wt%), castor oil (10~40Wt%) and epoxy acrylic resin (5~35Wt%) are medium, aniline monomer (2~
10Wt%), reaction obtains the mixture of nano polyaniline-epoxy acrylic resin for 4~8 hours at ambient temperature.
Described water soluble acrylic acid antirust emulsion is GS-211, MAINCOTETM PR-71K、MAINCOTETM HG-54D、
AVANSETMOne or both of MV-100, BLJ-6050 mixture.
Described coupling agent is γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), γ-(2,3- epoxies
Propoxyl group) propyl trimethoxy silicane (KH560), gamma-aminopropyl-triethoxy-silane (KH550), the ethoxy silane of vinyl three
(A151), one or both of γ-mercaptopropyl trimethoxysilane (KH580) mixture.
Described coalescents be the pentanediol mono isobutyrate of 2,2,4- trimethyls -1,3 (Texanol), tripropylene glycol just
One kind in butyl ether (TPnB), propane diols phenylate, dipropylene glycol n-butyl ether (DPnB), diethylene glycol monobutyl ether, propylene glycol monomethyl ether
Or it is several.
Described dispersant be BYK-199, BYK-102, BYK-190, Hydropalat 640A, Hydropalat 759,
One or more in SER-AD FX 625.
Described preservative is CMIT, 2- methyl -4- isothiazoline -3- ketone, benzene
And the one or more in isothiazoline -3- ketone, Kathon, described wetting agent is
One or more in Hydropalat 110, TEGO Wet 270, BYK-345, BYK-346, EFKA-4500, BD-109,
Described thickener be LAPONITE-S 482, ACRYSOL TT-935, B-30K, B-100K,A901、One or two or more in U605, described nertralizer is ammoniacal liquor, AMP-95, dimethylethanolamine, APS-190,
One or two or more in monoethanolamine, BD-800, described antifreezing agent be in propane diols, ethylene glycol ethyl ether, ethylene glycol one or
Two or more, described defoamer is Surfynol DF-695, Dehydran 1208, BYK-093, BYK-019, BYK-022
In one or two or more, described levelling agent is BYK-381, Edaplan LA 452, BYKETOL-AQ, BYKETOL-WS,
One or two or more in DAPRO W-77.
Described filler is powdered whiting, fine talc powder, mica powder, bentonite, calcined kaolin, titanium dioxide, heavy
One or two or more in shallow lake barium sulfate, blanc fixe.
Described initiator is azo diisobutyl amidine hydrochloride, the isobutyl imidazoline hydrochloride of azo two, azo dicyano
One or two or more in valeric acid, azo dicyclohexyl formonitrile HCN.
Beneficial effects of the present invention：By nano polyaniline-epoxy acrylic resin mixture, acrylic acid antirust emulsion, help
Agent and color stuffing, are stirring uniformly to obtain at normal temperatures.Nano polyaniline-epoxy acrylic resin mixture is by aniline monomer
Carry out in-situ emulsion polymerization in epoxy acrylic resin to obtain, overcoming nano polyaniline, hardly possible is scattered in resin matrix and receives
The problem of rice corpuscles is easier to reunite, while fully achieving Water-borne modification, organic solvent-free addition, the anti-corrosive primer coating is not only realized
Water-borne modification and in-situ emulsion polymerization technology and nanometer technology are preferably combined, nanometer on the one hand can be solved well
Polyaniline particle dispersion problem in coating, makes coating have preferably conductive antiseptic property；On the other hand also by without molten
Agent addition can avoid profit from being layered and cause product poor storage stability.The water nano polyaniline prepared using the present invention-
Epoxy acrylic resin conduction anti-corrosive primer coating not only increases the storage stability of product and solved traditional aqueous anti-
The problem of rotten priming paint antiseptic property is not good, paint film adhesion is poor, meanwhile, this kind of waterborne anti-corrosive primer coating also has certain resistance to
Impact property, greatly expands its application field.This kind of waterborne anti-corrosive primer coating can top-grade building thing, highway guardrail,
Used above Oil Tank Body, container and large stadium, there is more wide application, with good economy and society
Can benefit.
Brief description of the drawings
Fig. 1 is a kind of conductive anti-corrosive primer coating of water nano polyaniline of the invention-epoxy acrylic resin in scanning electricity
Image under mirror.
Embodiment
The present invention is designed based on following principle to be formed：In order to make up the dispersion method preparation being previously mentioned in background technology office
One of method of limit is emulsion polymerization in situ, and it is a kind of new method for preparing nano polyaniline particle at present, its main profit
Aniline is set directly to form nano polyaniline particle in base resin with the peptizaiton of emulsifying agent.Nanometer is prepared in this way to gather
The advantage of aniline particle is that one side this method easily can control and adjust the particle diameter of nano polyaniline, prepare symbol
Close desired nano polyaniline particle；Another aspect resin can play preferably parcel to established nano polyaniline particle and make
With, and the reunion of nano-particle can be effectively prevented, this makes the nano polyaniline particle obtained by preparation to be preferably dispersed in Ji Shu
In fat, the compatibility of polyaniline particle and resin is enhanced.Aniline is made in epoxy acrylic using the method for in-situ emulsion polymerization
It polymerize in resin, forms the nano polyaniline particle of resin parcel, and be evenly dispersed in resin, with acrylic acid antirust breast
Liquid, auxiliary agent and color stuffing are mixed to get, and acrylic acid antirust emulsion forms continuous film, while drawing by moisture evaporation
Send out in the presence of agent with epoxy resin, castor oil formation carbon-carbon double bond, obtain firm network structure, play good with base material
Adhewsive action.The coating not only realizes Water-borne modification but also preferably combines in-situ emulsion polymerization technology and nanometer technology,
On the one hand nano polyaniline particle dispersion problem in coating can be solved well, make coating that there is preferably conductive anti-corrosion
Performance；On the other hand also by solvent-free addition profit can be avoided to be layered and causes product poor storage stability.
The conductive anti-corrosive primer coating of heretofore described a kind of water nano polyaniline-epoxy acrylic resin, by receiving
Rice polyaniline-epoxy acrylic resin mixture, acrylic acid antirust emulsion, auxiliary agent and color stuffing, at normal temperatures uniform stirring
Obtain.Nano polyaniline-epoxy acrylic resin mixture is to carry out breast in situ in epoxy acrylic resin by aniline monomer
Liquid polymerization is obtained, and the problem of nano polyaniline hardly possible in resin matrix is scattered to be easier to reunite with nano-particle is overcome, while complete
It is complete to realize Water-borne modification, organic solvent-free addition.Wherein, the conductive anti-corrosion primer of water nano polyaniline-epoxy acrylic resin is applied
Material in nano polyaniline-epoxy acrylic resin mixture plus acrylic acid antirust emulsion, coupling agent, coalescents, nertralizer,
Dispersant, preservative, thickener, antifreezing agent, wetting agent, levelling agent, defoamer, initiator and color stuffing are uniformly mixing to obtain.
Concrete technical scheme is as follows：
A kind of conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin, it is characterised in that nanometer polyphenyl
Amine-epoxy acrylic resin mixture, water soluble acrylic acid antirust emulsion, color stuffing and auxiliary agent, pass through moisture evaporation and crosslinking
Reaction forms polymer compelx coating, is mixed by following weight percent, including nano polyaniline-epoxy acrylic tree
0.1~3Wt% of lipoprotein mixture, water soluble acrylic acid 25~75Wt% of antirust emulsion, 0.3~2.5Wt% of coupling agent, coalescents are
0.5~10Wt%, 0.2~5Wt% of dispersant, 0.1~4Wt% of preservative, 0.3~5Wt% of wetting agent, thickener 0.1~
10Wt%, 0.2~7Wt% of nertralizer, 2~20Wt% of antifreezing agent, 0.1~2Wt% of defoamer, 0.1~2Wt% of levelling agent, are filled out
Expect 10~45Wt%, 0.2~5Wt% of initiator.
The nano polyaniline-epoxy acrylic resin mixture refers to, is prepared with weight percentage by following material
Form, ammonium persulfate is that oxidant (2~10Wt%), DBSA are dopant and emulsifying agent (3~20Wt%), water
(20~60Wt%), castor oil (10~40Wt%) and epoxy acrylic resin (5~35Wt%) are medium, aniline monomer (2~
10Wt%), reaction obtains the mixture of nano polyaniline-epoxy acrylic resin for 4~8 hours at ambient temperature.
Described water soluble acrylic acid antirust emulsion is GS-211, MAINCOTETM PR-71K、MAINCOTETM HG-54D、
AVANSETMOne or both of MV-100, BLJ-6050 mixture.
Described coupling agent is γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), γ-(2,3- epoxies
Propoxyl group) propyl trimethoxy silicane (KH560), gamma-aminopropyl-triethoxy-silane (KH550), the ethoxy silane of vinyl three
(A151), one or both of γ-mercaptopropyl trimethoxysilane (KH580) mixture.
Described coalescents be the pentanediol mono isobutyrate of 2,2,4- trimethyls -1,3 (Texanol), tripropylene glycol just
One kind in butyl ether (TPnB), propane diols phenylate, dipropylene glycol n-butyl ether (DPnB), diethylene glycol monobutyl ether, propylene glycol monomethyl ether
Or it is several.
Described dispersant be BYK-199, BYK-102, BYK-190, Hydropalat 640A, Hydropalat 759,
One or more in SER-AD FX 625.
Described preservative is CMIT, 2- methyl -4- isothiazoline -3- ketone, benzene
And the one or more in isothiazoline -3- ketone, Kathon, described wetting agent is
One or more in Hydropalat 110, TEGO Wet 270, BYK-345, BYK-346, EFKA-4500, BD-109,
Described thickener be LAPONITE-S 482, ACRYSOL TT-935, B-30K, B-100K,A901、One or two or more in U605, described nertralizer is ammoniacal liquor, AMP-95, dimethylethanolamine, APS-190,
One or two or more in monoethanolamine, BD-800, described antifreezing agent be in propane diols, ethylene glycol ethyl ether, ethylene glycol one or
Two or more, described defoamer is Surfynol DF-695, Dehydran 1208, BYK-093, BYK-019, BYK-022
In one or two or more, described levelling agent is BYK-381, Edaplan LA 452, BYKETOL-AQ, BYKETOL-WS,
One or two or more in DAPRO W-77.
Described filler is powdered whiting, fine talc powder, mica powder, bentonite, calcined kaolin, titanium dioxide, heavy
One or two or more in shallow lake barium sulfate, blanc fixe.
Described initiator is azo diisobutyl amidine hydrochloride, the isobutyl imidazoline hydrochloride of azo two, azo dicyano
One or two or more in valeric acid, azo dicyclohexyl formonitrile HCN.
Illustrate hereby for the water soluble acrylic acid antirust emulsion in the above, coupling agent, coalescents, dispersant 0.2
~, the component of preservative, wetting agent, thickener, nertralizer, antifreezing agent, defoamer, levelling agent, filler and initiator mentions
In the case of a variety of mixing, each actual mixture ratio is all 1：1, i.e. water soluble acrylic acid antirust emulsion be GS-211 and
MAINCOTETMPR-71K is mixed, wherein GS-211 and MAINCOTETMPR-71K is 1：1, it is then 1 if three kinds：
1：1, the like.
It is further described below by three specific embodiments：
Embodiment one：
1st, the preparation of nano polyaniline-epoxy acrylic resin mixture：Ammonium persulfate 10Wt%, DBSA
11Wt%, water 40Wt%, castor oil 22Wt%, epoxy acrylic resin 11Wt%, aniline 6% react 6h at ambient temperature
Obtain the mixture of nano polyaniline-epoxy acrylic resin.
2nd, the preparation of the conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin：Nano polyaniline-ring
Oxypropylene acid resin mixture 0.5Wt%, acrylic acid antirust emulsion 60Wt%, coupling agent 0.4Wt%, coalescents are 2Wt%,
Dispersant 0.3Wt%, preservative 0.5Wt%, wetting agent 0.5Wt%, thickener 0.8Wt%, nertralizer 1Wt%, antifreezing agent
5Wt%, defoamer 0.3Wt%, levelling agent 0.2Wt%, filler 28Wt%, initiator 0.5Wt%, which is uniformly mixed, to be obtained.
The conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin is cast in glass respectively at room temperature
Plate, or be sprayed on steel plate, the isothermal curing 7d at 30 DEG C.Coating surface drying time is the painting on 20min, steel plate on glass plate
Layer surface drying time is 20min；Hardness is 2H after solidification, and impact resistance is 60cm, and cross cut test is 0, and salt fog resistance is 700h.
Embodiment two：
1st, the preparation of nano polyaniline-epoxy acrylic resin mixture：Ammonium persulfate 9Wt%, DBSA
13Wt%, water 36Wt%, castor oil 25Wt%, epoxy acrylic resin 15Wt%, aniline 2% react 7h at ambient temperature
Obtain the mixture of nano polyaniline-epoxy acrylic resin.
2nd, the preparation of the conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin：Nano polyaniline-ring
Oxypropylene acid resin mixture 0.3Wt%, acrylic acid antirust emulsion 50Wt%, coupling agent 0.2Wt%, coalescents are
4.5Wt%, dispersant 0.5Wt%, preservative 0.7Wt%, wetting agent 1Wt%, thickener 3Wt%, nertralizer 1.5Wt%, prevent
Freeze agent 7Wt%, defoamer 0.2Wt%, levelling agent 0.4Wt%, filler 30Wt%, initiator 0.7Wt%, be uniformly mixed
Arrive.
The conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin is cast in glass respectively at room temperature
Template, or be sprayed on steel plate, the isothermal curing 7d at 30 DEG C.Coating surface drying time is on 30min, steel plate on glass plate
Coating surface drying time is 20min；Hardness is 2H after solidification, and impact resistance is 55cm, and cross cut test is 1, and salt fog resistance is 500h.
Embodiment three：
1st, the preparation of nano polyaniline-epoxy acrylic resin mixture：Ammonium persulfate 5Wt%, DBSA
10Wt%, water 36Wt%, castor oil 20Wt%, epoxy acrylic resin 25Wt%, aniline 4% react 8h at ambient temperature
Obtain the mixture of nano polyaniline-epoxy acrylic resin.
2nd, the preparation of the conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin：Nano polyaniline-ring
Oxypropylene acid resin mixture 0.7Wt%, acrylic acid antirust emulsion 55Wt%, coupling agent 0.7Wt%, coalescents are
3.5Wt%, dispersant 1Wt%, preservative 1Wt%, wetting agent 0.8Wt%, thickener 5Wt%, nertralizer 0.7Wt% are antifreeze
Agent 8Wt%, defoamer 0.5Wt%, levelling agent 0.7Wt%, filler 22Wt%, initiator 0.4Wt%, are uniformly mixed
Arrive.
The conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin is cast in glass respectively at room temperature
Template, or be sprayed on steel plate, the isothermal curing 7d at 30 DEG C.Coating surface drying time is on 10min, steel plate on glass plate
Coating surface drying time is 10min；Hardness is 2H after solidification, and impact resistance is 60cm, and cross cut test is 0, and salt fog resistance is 600h.
Here it is explained for each composition involved in the present invention：
A, coupling agent：Improve and base material adhesive force；
B, coalescents：Improve emulsion film forming mechanism, help film forming；
C, dispersant：Promote material particles to be dispersed in medium, form stable suspension；
D, preservative：Prevent that activated monomer is putrid and deteriorated in tank；
E, wetting agent：Solid material can be made to be more easy to be soaked in water；
F, thickener：Improve system viscosity；
G, nertralizer：Regulation system pH value；
H, antifreezing agent：Reduction system freezing point, improves low-temperature storage；
I, defoamer：Surface tension is reduced, suppresses foam generation or eliminate to have produced foam；
J, levelling agent：Coating is promoted to form a smooth, smooth, uniform film during drying and forming-film；
K, filler：Improve paint film covering power and wearability；
L, initiator：Trigger monomer polymerization and crosslinking curing.
Beneficial effects of the present invention：The anti-corrosive primer coating not only realize Water-borne modification and also by in-situ emulsion polymerization technology and
Nanometer technology preferably combines, and nano polyaniline particle dispersion problem in coating on the one hand can be solved well,
Make coating that there is preferably conductive antiseptic property；On the other hand also by solvent-free addition profit can be avoided to be layered and causes production
Product poor storage stability.The conductive anti-corrosive primer coating of the water nano polyaniline prepared using the present invention-epoxy acrylic resin
Not only increase the storage stability of product and solve that traditional waterborne anti-corrosive primer antiseptic property is good, paint film adhesion
Poor the problem of, meanwhile, this kind of waterborne anti-corrosive primer coating also has certain impact resistance, greatly expands its application neck
Domain.This kind of waterborne anti-corrosive primer coating can be in top-grade building thing, highway guardrail, Oil Tank Body, container and large stadium
Use above, there is more wide application, with good economic and social benefit.
Claims (9)
1. a kind of conductive anti-corrosive primer coating of water nano polyaniline-epoxy acrylic resin, it is characterised in that nanometer polyphenyl
Amine-epoxy acrylic resin mixture, water soluble acrylic acid antirust emulsion, color stuffing and auxiliary agent, pass through moisture evaporation and crosslinking
Reaction forms polymer compelx coating, is mixed by following weight percent, including nano polyaniline-epoxy acrylic tree
0.1~3Wt% of lipoprotein mixture, water soluble acrylic acid 25~75Wt% of antirust emulsion, 0.3~2.5Wt% of coupling agent, coalescents are
0.5~10Wt%, 0.2~5Wt% of dispersant, 0.1~4Wt% of preservative, 0.3~5Wt% of wetting agent, thickener 0.1~
10Wt%, 0.2~7Wt% of nertralizer, 2~20Wt% of antifreezing agent, 0.1~2Wt% of defoamer, 0.1~2Wt% of levelling agent, are filled out
Expect 10~45Wt%, 0.2~5Wt% of initiator.
2. a kind of conductive anti-corrosive primer coating of water nano polyaniline according to claim 1-epoxy acrylic resin, its
It is characterised by, the nano polyaniline-epoxy acrylic resin mixture refers to, is prepared with weight percentage by following material
Form, ammonium persulfate is that oxidant (2~10Wt%), DBSA are dopant and emulsifying agent (3~20Wt%), water
(20~60Wt%), castor oil (10~40Wt%) and epoxy acrylic resin (5~35Wt%) are medium, aniline monomer (2~
10Wt%), reaction obtains the mixture of nano polyaniline-epoxy acrylic resin for 4~8 hours at ambient temperature.
3. the conductive anti-corrosion primer of a kind of water nano polyaniline-epoxy acrylic resin according to claim 1 and 2 is applied
Material, it is characterised in that described water soluble acrylic acid antirust emulsion is GS-211, MAINCOTETMPR-71K、MAINCOTETMHG-
54D、AVANSETMOne or both of MV-100, BLJ-6050 mixture.
4. the conductive anti-corrosion primer of a kind of water nano polyaniline-epoxy acrylic resin according to claim 1 and 2 is applied
Material, it is characterised in that described coupling agent is γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), γ-(2,3-
Glycidoxy) propyl trimethoxy silicane (KH560), gamma-aminopropyl-triethoxy-silane (KH550), the ethoxy of vinyl three
One or both of silane (A151), γ-mercaptopropyl trimethoxysilane (KH580) mixture.
5. the conductive anti-corrosion primer of a kind of water nano polyaniline-epoxy acrylic resin according to claim 1 and 2 is applied
Material, it is characterised in that described coalescents are 2,2,4- trimethyl -1,3 pentanediol mono isobutyrates (Texanol), 3 third
In glycol n-butyl ether (TPnB), propane diols phenylate, dipropylene glycol n-butyl ether (DPnB), diethylene glycol monobutyl ether, propylene glycol monomethyl ether
One or more.
6. the conductive anti-corrosion primer of a kind of water nano polyaniline-epoxy acrylic resin according to claim 1 and 2 is applied
Material, it is characterised in that described dispersant be BYK-199, BYK-102, BYK-190, Hydropalat 640A,
One or more in Hydropalat759, SER-AD FX 625.
7. a kind of conductive anti-corrosive primer coating of water nano polyaniline according to claim 6-epoxy acrylic resin, its
It is characterised by, described preservative is CMIT, MIT, benzene
And the one or more in isothiazoline -3- ketone, Kathon, described wetting agent is
One or more in Hydropalat 110, TEGO Wet 270, BYK-345, BYK-346, EFKA-4500, BD-109,
Described thickener be LAPONITE-S 482, ACRYSOL TT-935, B-30K, B-100K,A901、One or two or more in U605, described nertralizer is ammoniacal liquor, AMP-95, dimethylethanolamine, APS-190,
One or two or more in monoethanolamine, BD-800, described antifreezing agent be in propane diols, ethylene glycol ethyl ether, ethylene glycol one or
Two or more, described defoamer is Surfynol DF-695, Dehydran 1208, BYK-093, BYK-019, BYK-022
In one or two or more, described levelling agent is BYK-381, Edaplan LA 452, BYKETOL-AQ, BYKETOL-WS,
One or two or more in DAPRO W-77.
8. a kind of conductive anti-corrosive primer coating of water nano polyaniline according to claim 7-epoxy acrylic resin, its
It is characterised by, described filler is powdered whiting, fine talc powder, mica powder, bentonite, calcined kaolin, titanium dioxide, heavy
One or two or more in shallow lake barium sulfate, blanc fixe.
9. a kind of conductive anti-corrosive primer coating of water nano polyaniline according to claim 8-epoxy acrylic resin, its
It is characterised by, described initiator is azo diisobutyl amidine hydrochloride, the isobutyl imidazoline hydrochloride of azo two, azo dicyano
One or two or more in valeric acid, azo dicyclohexyl formonitrile HCN.
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| CN108612301A (en) * | 2018-04-20 | 2018-10-02 | 江苏建宇建设集团有限公司 | A kind of high security steel wall-connecting piece |
| CN109056003A (en) * | 2018-08-23 | 2018-12-21 | 贵州凯里经济开发区鑫田民族服饰工艺品发展有限公司 | A kind of silver jeweleries and preparation method thereof |
| CN109467993A (en) * | 2018-10-29 | 2019-03-15 | 广州昊特建材有限公司 | A kind of aqueous priming paint, preparation method and application |
| CN111763454A (en) * | 2020-07-22 | 2020-10-13 | 江苏绿带新材料科技有限公司 | Water-based acrylic acid nano biological antibacterial coating |
| CN113667117A (en) * | 2021-08-06 | 2021-11-19 | 清远市实创涂料科技有限公司 | Preparation method of water-soluble polyaniline, water-soluble polyaniline-containing high-temperature conductive primer for glass fiber reinforced plastics and preparation method of water-soluble polyaniline-containing water-soluble high-temperature conductive primer |
| CN113698828A (en) * | 2021-08-24 | 2021-11-26 | 南京大学 | Preparation method of anti-corrosion coating material based on carbon-coated silver nanospheres |
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| CN108612301A (en) * | 2018-04-20 | 2018-10-02 | 江苏建宇建设集团有限公司 | A kind of high security steel wall-connecting piece |
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| CN113698828B (en) * | 2021-08-24 | 2022-12-30 | 南京大学 | Preparation method of anti-corrosion coating material based on carbon-coated silver nanospheres |
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