CN110305560A - A kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion - Google Patents
A kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion Download PDFInfo
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- CN110305560A CN110305560A CN201910622026.2A CN201910622026A CN110305560A CN 110305560 A CN110305560 A CN 110305560A CN 201910622026 A CN201910622026 A CN 201910622026A CN 110305560 A CN110305560 A CN 110305560A
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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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
- C08G59/623—Aminophenols
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/45—Anti-settling agents
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The present invention relates to epoxy zinc-enriched paint preparation technical fields, and disclose a kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion, include the experimental raws such as curing agent and anti-settling agent in formula, the modified phenolic amine hardener of the modified ethylenediamine preparation of phenol is mixed using anacardol-phenol.The anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion, use fumed silica, pnenolic aldehyde amine hardener and bentonite mixture are as ternary mixing anti-settling agent, wherein carrier of the pnenolic aldehyde amine hardener as zinc powder, the problem of having well solved easy coagulation of the zinc powder in liquid coating, use the mixture of propylene glycol monomethyl ether and dipropylene glycol methyl ether as mixing cosolvent, enhance stability of the metal zinc in liquid coating, use the mixture of simple substance zinc and zinc hydroxide as metal zinc, utilize the protection philosophy of metal zinc sacrificial anode, obtain superior antiseptic property.
Description
Technical field
The present invention relates to epoxy zinc-enriched paint preparation technical field, specially a kind of anti-coagulation epoxy zinc-rich of bi-component anti-corrosion
Coating.
Background technique
Corrosion is metal, concrete, and the objects such as timber are made by the chemistry of surrounding medium (water, air, acid, alkali, salt)
With or electrochemical action and generate the process of loss and destruction, in China or even the whole world every year because of corrosion caused by huge economy
Loss, for a long time, people use always multiple technologies, prevent or slow down the process of corrosion.
Zinc-rich paint can be divided into organic zinc-rich paint and inorganic zinc coating according to film forming matter difference, wherein aqueous ring
Oxygen zinc-rich paint is most important one kind in organic zinc-rich paint, but existing water-thinned epoxy zinc-rich coating is asked there are following
Topic: since the density of zinc powder is much larger than the density of epoxy resin, so zinc powder is easily sunk to the bottom in the epoxy, once dispersion is equal
Coagulative precipitation effect occurs for even zinc powder, it will lead to the aqueous oxygen zinc-rich paint failure of ring, meanwhile, water-thinned epoxy zinc-rich coating by
In containing hydrophilic radical, antiseptic property is often not so good as solvent based coating, reduces the practicability of epoxy zinc-enriched paint and is applicable in
Property.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion,
Solves existing water-thinned epoxy zinc-rich coating, zinc powder is easy to sink to the bottom in the epoxy, and coagulative precipitation effect occurs, leads to coating
The technical issues of failure, while solving the problems, such as that water-thinned epoxy zinc-rich anticorrosion with coat performance is poor.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme:
A kind of bi-component anti-corrosion anti-coagulation modified epoxy zinc-rich paint includes that the experiment such as curing agent and anti-settling agent is former in formula
Material, curing agent are modified phenolic amine hardener, and with the poidometer of the formula, the content of modified phenolic amine hardener is 0.4-
0.8wt% mixes the modified phenolic amine hardener of the modified ethylenediamine preparation of phenol using anacardol-phenol, solid using modified phenolic amine
Carrier of the agent as zinc powder is dispersed into zinc slurry first, and then addition aqueous epoxy emulsion carries out mixing cured, is prepared
A kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion haveing excellent performance, comprehensive performance are relatively better than the painting of solvent type epoxy zinc-rich
Material, can apply in the protective coating of the metal more demanding to salt spray resistance.
Preferably, the anti-settling agent is three component of fumed silica, modified phenolic amine hardener and bentonite
Mixture, mass ratio 1:1:3, with the poidometer of formula, the content of anti-settling agent is 3-5wt%.
Preferably, mixed solution of the cosolvent for propylene glycol monomethyl ether and dipropylene glycol methyl ether, mass ratio 5:1, with
The poidometer of the formula, the content of cosolvent are 5-10wt%.
Preferably, the metal zinc is the mixture of simple substance zinc and zinc hydroxide, and mass ratio 12:1 is matched with described
The poidometer of side, the content of metal zinc are 65-70wt%.
Preferably, the epoxy resin be bisphenol A-type E55 aqueous epoxy emulsion, epoxide number 0.55-0.56eg/mg, with
The poidometer of the formula, the content of aqueous epoxy emulsion are 10-15wt%.
Preferably, the dispersing agent is the terpolymer of propiolic acid sodium, acetenyl sodium sulfonate and phenylacetylene, and mass ratio is
4:2:1, with the poidometer of the formula, the content of terpolymer dispersants is 1-2wt%
Preferably, the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion, including below with formula weight
The raw material of meter: 10-15wt% aqueous epoxy emulsion, 0.5-1wt% modified phenolic amine hardener, the mixing of tri- component of 3-5wt%
Anti-settling agent, 5-10wt% two end number mixing cosolvent, 65-70wt% metal zinc, 1-2wt% terpolymer dispersants, 0.5-
1wt% defoaming agent, 0.5-1wt% moistening flatting agent, preparation method the following steps are included:
(1) 65-70wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with anhydrous second
It is the thin zinc powder of 1200 purposes that alcohol, which is placed in ball grinder together and is ground to partial size, and mixing zinc slurry is prepared；
(2) 10-15wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high-speed stirring is added
It mixes in device, stirs 0.5-1h under the revolving speed of 1500-1800rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 5-10wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropyl
The mixed solution of glycol methyl ether, mass ratio 5:1,0.4-0.8wt% curing agent, curing agent are to mix phenol using anacardol-phenol
The modified phenolic amine hardener of modified ethylenediamine preparation, 3-5wt% anti-settling agent, anti-settling agent are fumed silica, modified phenol
Aldehyde amine hardener and bentonite ternary mixture, mass ratio 1:1:3,1-2wt% dispersing agent, dispersing agent is propine
The terpolymer of sour sodium, acetenyl sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing being slow added into step (1)
Zinc slurry, in the case where revolving speed is 2500-3000rpm/min, uniform stirring 2-3h is to being uniformly dispersed；
(4) 0.5-1wt% defoaming agent, 0.5-1wt% moistening flatting agent are finally sequentially added into high speed agitator, are being turned
Speed is uniform stirring 1-2h under 1500-2000rpm/min, obtains the anti-coagulation epoxy zinc-enriched paint of bi-component anti-corrosion.
(3) beneficial technical effect
Compared with prior art, the present invention has following beneficial technical effect:
1, the anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion, using fumed silica, pnenolic aldehyde amine hardener and has
The bentonitic mixture of machine mixes anti-settling agent as ternary, and wherein carrier of the pnenolic aldehyde amine hardener as zinc powder, well solves
The problem of easy coagulation of the zinc powder in liquid coating.
2, the anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion has used the mixed of propylene glycol monomethyl ether and dipropylene glycol methyl ether
Object is closed as mixing cosolvent and pnenolic aldehyde amine hardener and zinc slurry and forms mixed emulsion with epoxy resin, enhances metallic zinc
Stability of the powder in liquid coating uses the mixture of simple substance zinc and zinc hydroxide as metal zinc, utilizes metal zinc
The protection philosophy of sacrificial anode obtains superior antiseptic property.
Specific embodiment
A kind of bi-component anti-corrosion anti-coagulation modified epoxy zinc-rich paint includes that the experiment such as curing agent and anti-settling agent is former in formula
Material, curing agent are modified phenolic amine hardener, and with the poidometer of formula, the content of modified phenolic amine hardener is 0.4-
0.8wt% mixes the modified phenolic amine hardener of the modified ethylenediamine preparation of phenol using anacardol-phenol, solid using modified phenolic amine
Carrier of the agent as zinc powder is dispersed into zinc slurry first, and then addition aqueous epoxy emulsion carries out mixing cured, is prepared
A kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion haveing excellent performance, comprehensive performance are relatively better than the painting of solvent type epoxy zinc-rich
Material, can apply in the protective coating of the metal more demanding to salt spray resistance, and anti-settling agent is fumed silica, modification
Pnenolic aldehyde amine hardener and bentonite ternary mixture, mass ratio 1:1:3, with the poidometer of formula, anti-settling agent
Content is 3-5wt%, and cosolvent is the mixed solution of propylene glycol monomethyl ether and dipropylene glycol methyl ether, mass ratio 5:1, with formula
Poidometer, the content of cosolvent are 5-10wt%, and metal zinc is the mixture of simple substance zinc and zinc hydroxide, and mass ratio is
12:1, with the poidometer of formula, the content of metal zinc is 65-70wt%, and epoxy resin is bisphenol A-type E55 water-base epoxy cream
Liquid, epoxide number 0.55-0.56eg/mg, with the poidometer of formula, the content of aqueous epoxy emulsion is 10-15wt%, dispersing agent
For propiolic acid sodium, the terpolymer of acetenyl sodium sulfonate and phenylacetylene, mass ratio 4:2:1, with the poidometer of formula, ternary
The content of copolymer dispersant is 1-2wt%, a kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion, including below to match
The raw material of square poidometer: 10-15wt% aqueous epoxy emulsion, 0.5-1wt% modified phenolic amine hardener, tri- component of 3-5wt%
Mix anti-settling agent, 5-10wt% two end number mixing cosolvent, 65-70wt% metal zinc, 1-2wt% terpolymer dispersants,
0.5-1wt% defoaming agent, 0.5-1wt% moistening flatting agent, preparation method the following steps are included:
(1) 65-70wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with anhydrous second
It is the thin zinc powder of 1200 purposes that alcohol, which is placed in ball grinder together and is ground to partial size, and mixing zinc slurry is prepared；
(2) 10-15wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high-speed stirring is added
It mixes in device, stirs 0.5-1h under the revolving speed of 1500-1800rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 5-10wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropyl
The mixed solution of glycol methyl ether, mass ratio 5:1,0.4-0.8wt% curing agent, curing agent are to mix phenol using anacardol-phenol
The modified phenolic amine hardener of modified ethylenediamine preparation, 3-5wt% anti-settling agent, anti-settling agent are fumed silica, modified phenol
Aldehyde amine hardener and bentonite ternary mixture, mass ratio 1:1:3,1-2wt% dispersing agent, dispersing agent is propine
The terpolymer of sour sodium, acetenyl sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing being slow added into step (1)
Zinc slurry, in the case where revolving speed is 2500-3000rpm/min, uniform stirring 2-3h is to being uniformly dispersed；
(4) 0.5-1wt% defoaming agent, 0.5-1wt% moistening flatting agent are finally sequentially added into high speed agitator, are being turned
Speed is uniform stirring 1-2h under 1500-2000rpm/min, obtains the anti-coagulation epoxy zinc-enriched paint of bi-component anti-corrosion.
Embodiment 1:
(1) 65wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with dehydrated alcohol one
It rises to be placed in ball grinder and is ground to partial size as the thin zinc powder of 1200 purposes, mixing zinc slurry is prepared；
(2) 10wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high speed agitator is added
In, 0.5 is stirred under the revolving speed of 1500rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 5wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropylene glycol
The mixed solution of methyl ether, mass ratio 5:1,0.4wt% curing agent, curing agent are that the modified second two of phenol is mixed using anacardol-phenol
The modified phenolic amine hardener of amine preparation, 3wt% anti-settling agent, anti-settling agent is fumed silica, modified phenolic amine hardener
With bentonite ternary mixture, mass ratio 1:1:3,1wt% dispersing agent, dispersing agent is propiolic acid sodium, acetenyl
The terpolymer of sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing zinc slurry being slow added into step (1), in revolving speed
It is uniform stirring 2h under 2500rpm/min to being uniformly dispersed；
(4) 0.5wt% defoaming agent, 0.5wt% moistening flatting agent are finally sequentially added into high speed agitator, are in revolving speed
Uniform stirring 1h under 1500rpm/min obtains the anti-coagulation modified epoxy zinc-rich paint 1 of bi-component anti-corrosion.
Embodiment 2:
(1) 66wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with dehydrated alcohol one
It rises to be placed in ball grinder and is ground to partial size as the thin zinc powder of 1200 purposes, mixing zinc slurry is prepared；
(2) 12wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high speed agitator is added
In, 0.5h is stirred under the revolving speed of 1500rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 6wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropylene glycol
The mixed solution of methyl ether, mass ratio 5:1,0.5wt% curing agent, curing agent are that the modified second two of phenol is mixed using anacardol-phenol
The modified phenolic amine hardener of amine preparation, 3wt% anti-settling agent, anti-settling agent is fumed silica, modified phenolic amine hardener
With bentonite ternary mixture, mass ratio 1:1:3,1wt% dispersing agent, dispersing agent is propiolic acid sodium, acetenyl
The terpolymer of sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing zinc slurry being slow added into step (1), in revolving speed
It is uniform stirring 2 under 2500rpm/min to being uniformly dispersed；
(4) 0.6wt% defoaming agent, 0.6wt% moistening flatting agent are finally sequentially added into high speed agitator, are in revolving speed
Uniform stirring 1h under 1500rpm/min obtains the anti-coagulation modified epoxy zinc-rich paint 2 of bi-component anti-corrosion.
Embodiment 3:
(1) 67wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with dehydrated alcohol one
It rises to be placed in ball grinder and is ground to partial size as the thin zinc powder of 1200 purposes, mixing zinc slurry is prepared；
(2) 13wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high speed agitator is added
In, 0.5h is stirred under the revolving speed of 1500rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 7wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropylene glycol
The mixed solution of methyl ether, mass ratio 5:1,0.6wt% curing agent, curing agent are that the modified second two of phenol is mixed using anacardol-phenol
The modified phenolic amine hardener of amine preparation, 4wt% anti-settling agent, anti-settling agent is fumed silica, modified phenolic amine hardener
With bentonite ternary mixture, mass ratio 1:1:3,1wt% dispersing agent, dispersing agent is propiolic acid sodium, acetenyl
The terpolymer of sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing zinc slurry being slow added into step (1), in revolving speed
It is uniform stirring 2 under 2500rpm/min to being uniformly dispersed；
(4) 0.7wt% defoaming agent, 0.8wt% moistening flatting agent are finally sequentially added into high speed agitator, are in revolving speed
Uniform stirring 1h under 1500rpm/min obtains the anti-coagulation modified epoxy zinc-rich paint 3 of bi-component anti-corrosion.
Embodiment 4:
(1) 68wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with dehydrated alcohol one
It rises to be placed in ball grinder and is ground to partial size as the thin zinc powder of 1200 purposes, mixing zinc slurry is prepared；
(2) 14wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high speed agitator is added
In, 1h is stirred under the revolving speed of 1800rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 8wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropylene glycol
The mixed solution of methyl ether, mass ratio 5:1,0.7wt% curing agent, curing agent are that the modified second two of phenol is mixed using anacardol-phenol
The modified phenolic amine hardener of amine preparation, 5wt% anti-settling agent, anti-settling agent is fumed silica, modified phenolic amine hardener
With bentonite ternary mixture, mass ratio 1:1:3,2wt% dispersing agent, dispersing agent is propiolic acid sodium, acetenyl
The terpolymer of sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing zinc slurry being slow added into step (1), in revolving speed
It is uniform stirring 3h under 3000rpm/min to being uniformly dispersed；
(4) 1wt% defoaming agent, 1wt% moistening flatting agent are finally sequentially added into high speed agitator, are in revolving speed
Uniform stirring 2h under 2000rpm/min obtains the anti-coagulation modified epoxy zinc-rich paint 4 of bi-component anti-corrosion.
Embodiment 5:
(1) 70wt% metal zinc is weighed, metal zinc is the mixture of simple substance zinc and zinc hydroxide, with dehydrated alcohol one
It rises to be placed in ball grinder and is ground to partial size as the thin zinc powder of 1200 purposes, mixing zinc slurry is prepared；
(2) 15wt% epoxy resin is weighed, epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, and high speed agitator is added
In, 1h is stirred under the revolving speed of 1800rpm/min, aqueous epoxy emulsion is made to be evenly distributed；
(3) 10wt% cosolvent is then successively added into high speed agitator, cosolvent is propylene glycol monomethyl ether and dipropyl two
The mixed solution of alcohol methyl ether, mass ratio 5:1,0.8wt% curing agent, curing agent are that the modified second of phenol is mixed using anacardol-phenol
The modified phenolic amine hardener of diamines preparation, 5wt% anti-settling agent, anti-settling agent is fumed silica, modified phenolic amine curing
Agent and bentonite ternary mixture, mass ratio 1:1:3,2wt% dispersing agent, dispersing agent are propiolic acid sodium, acetylene
The terpolymer of base sodium sulfonate and phenylacetylene, mass ratio 4:2:1, the mixing zinc slurry being slow added into step (1) are turning
Speed be under 3000rpm/min uniform stirring 3h to being uniformly dispersed；
(4) 1wt% defoaming agent, 1wt% moistening flatting agent are finally sequentially added into high speed agitator, are in revolving speed
Uniform stirring 2h under 2000rpm/min obtains the anti-coagulation modified epoxy zinc-rich paint 5 of bi-component anti-corrosion.
The anti-corrosion epoxy coating that embodiment 1-5 is provided is tested for the property, test method is as shown in table 2:
Table 2 is the performance test results of embodiment 1-5:
Claims (7)
- It include that the experiment such as curing agent and anti-settling agent is former 1. a kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion, in formula Material, it is characterised in that: the curing agent is modified phenolic amine hardener, with the poidometer of the formula, modified phenolic amine curing The content of agent is 0.4-0.8wt%, and the modified phenolic amine hardener of the modified ethylenediamine preparation of phenol is mixed using anacardol-phenol.
- 2. the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion according to claim 1, it is characterised in that: described With the poidometer of formula, the content of anti-settling agent is 3-5wt%, anti-settling agent be fumed silica, modified phenolic amine hardener and Bentonite ternary mixture, mass ratio 1:1:3.
- 3. the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion according to claim 1, it is characterised in that: described Cosolvent is the mixed solution of propylene glycol monomethyl ether and dipropylene glycol methyl ether, and mass ratio 5:1 is helped with the poidometer of the formula The content of solvent is 5-10wt%.
- 4. the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion according to claim 1, it is characterised in that: described Metal zinc is the mixture of simple substance zinc and zinc hydroxide, mass ratio 12:1, with the poidometer of the formula, metal zinc Content be 65-70wt%.
- 5. the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion according to claim 1, it is characterised in that: described Epoxy resin is bisphenol A-type E55 aqueous epoxy emulsion, epoxide number 0.55-0.56eg/mg, with the poidometer of the formula, water Property epoxy emulsion content be 10-15wt%.
- 6. the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion according to claim 1, it is characterised in that: described Dispersing agent is the terpolymer of propiolic acid sodium, acetenyl sodium sulfonate and phenylacetylene, mass ratio 4:2:1, with the formula Poidometer, the content of terpolymer dispersants are 1-2wt%.
- 7. the anti-coagulation modified epoxy zinc-rich paint of a kind of bi-component anti-corrosion according to claim 1, which is characterized in that Yi Zhongshuan The anti-coagulation modified epoxy zinc-rich paint of component anti-corrosion, including the raw material below in terms of the formulation weight: the aqueous ring of 10-15wt% Oxygen lotion, 0.5-1wt% modified phenolic amine hardener, tri- component of 3-5wt% mix anti-settling agent, 5-10wt% two end number mixing hydrotropy Agent, 65-70wt% metal zinc, 1-2wt% terpolymer dispersants, 0.5-1wt% defoaming agent, 0.5-1wt% wetting stream Flat agent, preparation method the following steps are included:(1) weigh 65-70wt% zinc powder be placed in together with dehydrated alcohol in ball grinder be ground to partial size be the thin zinc powder of 1200 purposes, Mixing zinc slurry is prepared；(2) it weighs 10-15wt% aqueous epoxy emulsion to be added in high speed agitator, be stirred under the revolving speed of 1500-1800rpm/min 0.5-1h is mixed, aqueous epoxy emulsion is made to be evenly distributed；(3) 5-10wt% mixed solution cosolvent, 0.4-0.8wt% modified phenolic amine are then successively added into high speed agitator Curing agent, 1-2wt% ternary polymerization dispersing agent, is slow added into mixing in step (1) at tri- component of 3-5wt% mixing anti-settling agent Zinc slurry is closed, uniform stirring 2-3h is to being uniformly dispersed in the case where revolving speed is 2500-3000rpm/min；(4) 0.5-1wt% defoaming agent, 0.5-1wt% moistening flatting agent are finally sequentially added into high speed agitator, are in revolving speed Uniform stirring 1-2h under 1500-2000rpm/min obtains the anti-coagulation epoxy zinc-enriched paint of bi-component anti-corrosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622026.2A CN110305560A (en) | 2019-07-10 | 2019-07-10 | A kind of anti-coagulation modified epoxy zinc-rich paint of bi-component anti-corrosion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110845923A (en) * | 2019-12-04 | 2020-02-28 | 厦门珉瑶贸易有限公司 | Cobalt-plated coal ash organic-inorganic composite zinc-rich coating |
| CN114181588A (en) * | 2021-12-28 | 2022-03-15 | 苏州市贝特利高分子材料股份有限公司 | Water-based epoxy zinc-rich primer and preparation method thereof |
| CN114686070A (en) * | 2020-12-28 | 2022-07-01 | 中海油常州涂料化工研究院有限公司 | Water-based epoxy zinc-rich primer and preparation method thereof |
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| CN103881531A (en) * | 2014-03-10 | 2014-06-25 | 国家电网公司 | Epoxy zinc-enriched coating and preparation method thereof |
| CN107573816A (en) * | 2017-10-12 | 2018-01-12 | 山东七维新材料有限公司 | A kind of high-performance water-based two component epoxy zinc rich primer and preparation method thereof |
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| CN110845923A (en) * | 2019-12-04 | 2020-02-28 | 厦门珉瑶贸易有限公司 | Cobalt-plated coal ash organic-inorganic composite zinc-rich coating |
| CN114686070A (en) * | 2020-12-28 | 2022-07-01 | 中海油常州涂料化工研究院有限公司 | Water-based epoxy zinc-rich primer and preparation method thereof |
| CN114181588A (en) * | 2021-12-28 | 2022-03-15 | 苏州市贝特利高分子材料股份有限公司 | Water-based epoxy zinc-rich primer and preparation method thereof |
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