CN104559668A - Waterborne anticorrosive coating for improving interface bonding force of rusty metal and anticorrosive coating and preparation method thereof - Google Patents
Waterborne anticorrosive coating for improving interface bonding force of rusty metal and anticorrosive coating and preparation method thereof Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
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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
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- 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
- 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
- C09D7/61—Additives non-macromolecular inorganic
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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
- 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
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/329—Phosphorus containing acids
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
Abstract
The invention discloses a waterborne anticorrosive coating for improving the interface bonding force of a rusty metal and an anticorrosive coating. The waterborne anticorrosive coating comprises a component A and a component B in a mass ratio of (2-4): 1, wherein the component A consists of the following components in parts by mass: 40-60 parts of waterborne epoxy emulsion, 5-15 parts of rust protection padding, 5-20 parts of transformation liquid, 1-5 parts of a pH stabilizer, 1-3 parts of an aid and 10-35 parts of deionized water; and the component B consists of a curing agent and deionized water in a mass ratio of (4-6): 1. The waterborne anticorrosive coating contains the active group transformation liquid capable of converting a rust layer, the activity of the transformation liquid in the waterborne anticorrosive coating can be ensured in the presence of the pH stabilizer, and the rust layer can be effectively dissolved and transformed, so that the interface bonding force of the rusty metal and the anticorrosive coating can be greatly improved.
Description
Technical field
The invention belongs to band rust metal finishing and corrosion protection coating technical field, be specifically related to a kind of elevator belt rusty gold and belong to and water-based anticorrosive paint of corrosion protection coating interface binding power and preparation method thereof.
Background technology
It is the primary selection ensureing that material is on active service safely at coating metal surfaces antirust coating.In order to obtain excellent corrosion resistance nature, the rust on metallic matrix must be removed clean before carrying out application, otherwise the preservative effect of paint film can be caused poor due to the continuous expansion of rust.Therefore, processing of rust removing is the important component part of coating process, plays conclusive effect to the success or failure of corrosion-proof coating.
But, in the maintenance process of the component of the complexity such as many heavy constructions, bridge, boats and ships, electric transmission pole tower, due to the restriction by execution conditions, be difficult to adopt mechanized construction method, craft or power tool can only be adopted to eliminate rust.This causes removing rust and various corrosion product completely, and be difficult to ensure derusting, and it is difficult to construct, expense is huge.
For solving this difficult problem, develop original position band rust treatment process.The advantage of original position band rust treatment process is: can directly brush or spray treatment liquid on surface, and without the need to eliminating rust to metallic surface.Activeconstituents in treatment solution can react with rusty scale, forms conversion film, thus promotes the bonding force of antirust coating and metallic matrix significantly.Current band rust treatment technology is mainly with based on oil-soluble resin, although the rete formed after process can improve antiseptic power, interface binding power is not high, has obscission after for some time of being on active service, and oil-soluble resin contains a large amount of VOC, huge injury is caused to human body and environment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of elevator belt rusty gold and belongs to the water-based anticorrosive paint with corrosion protection coating interface binding power, this water-based anticorrosive paint has stronger band rusty gold and belongs to the interface binding power with additional corrosion protection coating, difficult drop-off, and less to the harm of human body and environment.
Second technical problem to be solved by this invention is to provide above-mentioned elevator belt rusty gold and belongs to the preparation method with the water-based anticorrosive paint of corrosion protection coating interface binding power, and the method concise in technology, cost is low.
The present invention's first technical problem is achieved through the following technical solutions: a kind of elevator belt rusty gold belongs to the water-based anticorrosive paint with corrosion protection coating interface binding power, comprise component A and B component, described component A and the proportion by weight of B component are 2 ~ 4 ︰ 1, wherein component A is made up of the component of following proportion by weight: aqueous epoxy emulsion 40 ~ 60, antirust filler 5 ~ 15, conversion fluid 5 ~ 20, pH stablizer 1 ~ 5, auxiliary agent 1 ~ 3, deionized water 10 ~ 35; B component is made up of solidifying agent and deionized water, and described solidifying agent and the proportion by weight of deionized water are 4 ~ 6 ︰ 1.
In component A:
Aqueous epoxy emulsion is mainly as film forming base fluid.Compared with traditional emulsion based on oil-soluble resin, in aqueous epoxy emulsion, VOC content is less, therefore less to the harm of human body and environment.
Wherein aqueous epoxy emulsion can be the aqueous epoxy emulsion K40 that Shenyang hundred occasion chemistry Science and Technology Ltd. produces, and its solid content is 40 ~ 45%, and epoxy equivalent (weight) is 120 ~ 165g/mol; Also can adopt the LD-301 aqueous epoxy emulsion that Lianyungang Jing Dou coating factory produces, its solid content is 43 ~ 47%, and epoxy equivalent (weight) is 110 ~ 130g/mol; Also can adopt the GE-95 aqueous epoxy emulsion that Shanghai Aishibo Organosilicon Material Co., Ltd. produces, its solid content is 50 ~ 60%, and epoxy equivalent (weight) is 176 ~ 181g/mol; Also the aqueous epoxy emulsion of other manufacturer production can be adopted.
Described antirust filler is preferably ultra-fine zinc phosphate, and in described ultra-fine zinc phosphate, Zn content is greater than 45%, and the particle diameter of described ultra-fine zinc phosphate is preferably 10 ~ 45 μm.
Negatively charged ion phosphate radical wherein in ultra-fine zinc phosphate can generate complex compound with many kinds of metal ions effect, and the passive film of formation is water insoluble, hardness is high, sticking power is excellent, can promote the rustless property of coating.
Described conversion fluid is made up of inorganic acid aqueous solution and organic acid alcoholic solution, and the mass ratio of the two is preferably 1 ~ 3 ︰ 1.
In described inorganic acid aqueous solution, the mass ratio of mineral acid and water is preferably 1 ︰ 99 ~ 199, and in organic acid alcoholic solution, the mass ratio of organic acid and alcohol is preferably 1 ︰ 99 ~ 199.
Described mineral acid is preferably phosphoric acid, and described organic acid is preferably poly-hydroxy organic acid, and described alcohol is preferably small molecular alcohol.
Described poly-hydroxy organic acid is preferably Weibull or phytic acid, and described small molecular alcohol is preferably one or more in ethanol, propyl alcohol and butanols.
Described pH stablizer is preferably the mixing solutions that concentration is 1mol/L SODIUM PHOSPHATE, MONOBASIC and 1mol/L Sodium phosphate dibasic, and the volume ratio of the two is 30 ~ 50 ︰ 70 ~ 50.
PH stablizer joins in film forming base fluid (water-base epoxy solution) can improve its stability.
Conversion fluid in the present invention contains the active group that can transform rusty scale, pH stablizer can ensure the activity of conversion fluid, both actings in conjunction, can enable conversion fluid effectively dissolve and transform rusty scale, thus elevator belt rusty gold belongs to the sticking power with corrosion protection coating significantly.
Described auxiliary agent preferably includes wetting agent, dispersion agent, defoamer and flow agent etc.
Wherein wetting agent can reduce the surface tension of antirust filler, makes water be deployed in filling surface, promotes the dispersion of filler; Dispersion agent, by improving the surface properties of antirust filler, makes it stably be present in water-based emulsion; Flow agent can impel water-based anticorrosive paint in drying and forming-film process, form smooth, smooth, a uniform film, and effectively can reduce surface tension, improves levelling property and the homogeneity of water-borne coatings; Defoamer can reduce the surface tension of aqueous epoxy emulsion, eliminates issuable bubble in production process.
The concrete kind of the wetting agent adopted in the present invention, dispersion agent, defoamer and flow agent according to the above-mentioned description about its performance, can select the product of this area routine.
In B component:
Described solidifying agent is preferably water-soluble modified epoxy polyamines crosslinking agent or fatty amines solidifying agent, itself and aqueous epoxy emulsion with the use of, can surface drying time be shortened, increase hardness of paint film.
Therefore, water-based anticorrosive paint of the present invention, adopting aqueous epoxy emulsion as film forming base fluid, adding acidic conversion liquid when adding pH stablizer, also improves band rusty gold and belong to the interface binding power with additional corrosion protection coating while ensureing antiseptic power.
The present invention's second technical problem is achieved through the following technical solutions: above-mentioned elevator belt rusty gold belongs to the preparation method with the water-based anticorrosive paint of corrosion protection coating interface binding power, comprises the following steps:
(1) formulation components A: by using magnitude relation, remove ionized water and auxiliary agent, adjusting rotary speed is 400 ~ 600 revs/min, disperses 10 ~ 20 minutes, adds antirust filler, adjusting rotary speed is 2000 ~ 3000 revs/min, disperse 30 ~ 60 minutes, then add aqueous epoxy emulsion, pH stablizer and conversion fluid, adjusting rotary speed is 400 ~ 600 revs/min, stir 20 ~ 40 minutes, after leaving standstill, obtain component A;
(2) formulation components B: by with magnitude relation, get solidifying agent and water, mixing, obtains B component;
(3) allocate: component A and B component are mixed by with magnitude relation, the band rusty gold that namely gets a promotion belongs to the water-based anticorrosive paint with corrosion protection coating sticking power.
Belong to the preparation method of the water-based anticorrosive paint of corrosion protection coating interface binding power at above-mentioned elevator belt rusty gold:
Antirust filler described in step (1) is ultra-fine zinc phosphate, and in described ultra-fine zinc phosphate, Zn content is greater than 45%, and the particle diameter of described ultra-fine zinc phosphate is 10 ~ 45 μm.
Conversion fluid described in step (1) is made up of inorganic acid aqueous solution and organic acid alcoholic solution, and the mass ratio of the two is preferably 1 ~ 3 ︰ 1.
In described inorganic acid aqueous solution, the mass ratio of mineral acid and water is preferably 1 ︰ 99 ~ 199, and in organic acid alcoholic solution, the mass ratio of organic acid and alcohol is preferably 1 ︰ 99 ~ 199.
Described mineral acid is preferably phosphoric acid, and described organic acid is preferably poly-hydroxy organic acid, and described alcohol is preferably small molecular alcohol.
Described poly-hydroxy organic acid is preferably Weibull or phytic acid, and described small molecular alcohol is preferably one or more in ethanol, propyl alcohol and butanols.
PH stablizer described in step (1) is preferably the mixing solutions that concentration is 1mol/L SODIUM PHOSPHATE, MONOBASIC and 1mol/L Sodium phosphate dibasic, and the volume ratio of the two is 30 ~ 50 ︰ 70 ~ 50.
Auxiliary agent described in step (1) comprises wetting agent, dispersion agent, defoamer and flow agent etc.
Solidifying agent described in step (2) is preferably water-soluble modified epoxy polyamines crosslinking agent or fatty amines solidifying agent.
The invention has the beneficial effects as follows:
(1) active group (conversion fluid) that can transform rusty scale is contained in water-based anticorrosive paint of the present invention, and the existence of pH stablizer can ensure the activity of transforming agent in water-based anticorrosive paint, can effectively dissolve and transform rusty scale, significantly elevator belt rusty gold belongs to the interface binding power with corrosion protection coating;
(2) water-based anticorrosive paint of the present invention adopts aqueous epoxy emulsion to be main component, and become rusty compared with treatment technology with traditional band based on oil-soluble resin, its VOC content is less, therefore less to the harm of human body and environment;
(3) in addition, water-based anticorrosive paint of the present invention while guarantee antiseptic power, also improve band rusty gold and belong to and the interface binding power of additional corrosion protection coating, difficult drop-off;
(4) water-based anticorrosive paint of the present invention is applicable to the anticorrosion of the band rusty gold genus such as heavy construction, bridge, boats and ships, electric transmission pole tower;
(5) in sum, water-based anticorrosive paint of the present invention directly in the construction of band rusty gold metal surface, can save construction cost and engineering time; While ensureing antiseptic power, also improve band rusty gold and belong to the sticking power with additional corrosion protection coating, difficult drop-off, be applicable to the anticorrosion of the band rusty gold genus such as heavy construction, bridge, boats and ships, electric transmission pole tower.
Embodiment
The present invention will be described below to enumerate specific embodiment.It is pointed out that embodiment only for the present invention will be further described, do not represent protection scope of the present invention, the nonessential amendment that other people make according to the present invention and adjustment, still belong to protection scope of the present invention.
In following embodiment, the aqueous epoxy emulsion used is preferably the aqueous epoxy emulsion K40 that Shenyang hundred occasion chemistry Science and Technology Ltd. produces, or the LD-301 aqueous epoxy emulsion adopting Lianyungang Jing Dou coating factory to produce, also can adopt the GE-95 aqueous epoxy emulsion that Shanghai Aishibo Organosilicon Material Co., Ltd. produces; Ultra-fine zinc phosphate (No. CAS: 7779-90-0) is preferably produced by Shijiazhuang City Xin Sheng Chemical Co., Ltd.; Wetting agent is preferably the environmental protection wetting agent X-406 that Guangzhou Guan Zhi novel material Science and Technology Ltd. produces; Dispersion agent is preferably the sodium acrylate dipersant XS-6100 of Beijing connection and the production of Xiang Shang Chemical Industry Science Co., Ltd; Defoamer is preferably the TEGO Foamex 810 concentrated solution defoamer that German Ying Chuan group (EVONIK) is produced; Flow agent is preferably Germany and wins the smooth and antiblock additive of wound group (EVONIK) the TEGO Glide 410 that produces; Solidifying agent is preferably the aqueous epoxy curing agent K-16 of Shenyang hundred occasion chemistry Science and Technology Ltd. production or the M603 fatty amines solidifying agent of Shanghai Lei Ming Chemical Co., Ltd. production; Except above-mentioned enumerating, those skilled in the art select according to routine, other also can be selected to have product that the said products enumerated to the present invention has similar performance, all can realize object of the present invention.
embodiment 1
The elevator belt rusty gold that the present embodiment provides belongs to the water-based anticorrosive paint with corrosion protection coating interface binding power, and be made up of component A and B component, the mass ratio of the two is 2:1.
Wherein component A is made up of the component of following proportion by weight:
Aqueous epoxy emulsion 40,
Antirust filler 15,
Conversion fluid 5,
PH stablizer 5,
Auxiliary agent 1,
Deionized water 34;
Wherein aqueous epoxy emulsion is the aqueous epoxy emulsion K40 that Shenyang hundred occasion chemistry Science and Technology Ltd. produces, and its solid content is 40 ~ 45%, and epoxy equivalent (weight) is 120 ~ 165g/mol.
Antirust filler is ultra-fine zinc phosphate, and zinc content is greater than 45%, and particle diameter is 10 μm ~ 45 μm.
Conversion fluid is made up of inorganic acid aqueous solution and organic acid alcoholic solution, and the mass ratio of the two is 1:1.
Wherein in inorganic acid aqueous solution, the mass ratio of mineral acid and water is 1:99, and in organic acid alcoholic solution, the mass ratio of organic acid and alcohol is 1:99.
Mineral acid is phosphoric acid, and organic acid is Weibull, and alcohol is ethanol.
The preparation process of conversion fluid is: by using magnitude relation, phosphoric acid is dissolved in deionized water, be mixed with phosphate aqueous solution, Weibull is dissolved in ethanol, be mixed with the ethanolic soln of Weibull, then the ethanolic soln of phosphate aqueous solution and Weibull is mixed according to the mass ratio of 1:1, be mixed with conversion fluid.
PH stablizer is the mixing solutions of 1mol/L SODIUM PHOSPHATE, MONOBASIC and 1mol/L Sodium phosphate dibasic, and its volume ratio is 45:55.
Auxiliary agent is made up of the component of following proportion by weight: wetting agent 0.2, dispersion agent 0.2, defoamer 0.3, flow agent 0.3.
B component is made up of solidifying agent and deionized water, and the proportion by weight of solidifying agent and deionized water is 4:1.
Solidifying agent is water-soluble modified epoxy polyamines crosslinking agent, is preferably the aqueous epoxy curing agent K-16 that Shenyang hundred occasion chemistry Science and Technology Ltd. produces.
This elevator belt rusty gold belongs to the preparation method with the water-based anticorrosive paint of corrosion protection coating interface binding power, comprises the following steps:
(1) formulation components A: by use magnitude relation above, remove ionized water and auxiliary agent, adjusting rotary speed is 400 revs/min, disperse 10 minutes, add antirust filler, adjusting rotary speed is 2000 revs/min, disperse 30 minutes, add aqueous epoxy emulsion, pH stablizer and conversion fluid again, adjusting rotary speed is 400 revs/min and stirs 20 minutes, obtains component A after leaving standstill;
(2) formulation components B: by with magnitude relation, get solidifying agent and water, mixing, obtains B component;
(3) allocate: component A and B component are mixed by with magnitude relation, the band rusty gold that namely gets a promotion belongs to the water-based anticorrosive paint with corrosion protection coating interface binding power.
embodiment 2
The elevator belt rusty gold that the present embodiment provides belongs to the water-based anticorrosive paint with corrosion protection coating interface binding power, and be made up of component A and B component, the mass ratio of the two is 3:1.
Wherein component A is made up of the component of following proportion by weight:
Aqueous epoxy emulsion 50,
Antirust filler 10,
Conversion fluid 15,
PH stablizer 3,
Auxiliary agent 2,
Deionized water 20;
The LD-301 aqueous epoxy emulsion that aqueous epoxy emulsion adopts Lianyungang Jing Dou coating factory to produce, its solid content 43 ~ 47%, epoxy equivalent (weight) 110 ~ 130g/mol.
Antirust filler is ultra-fine zinc phosphate, and zinc content is greater than 45%, and particle diameter is 10 μm ~ 45 μm.
Conversion fluid is made up of inorganic acid aqueous solution and organic acid alcoholic solution, and the mass ratio of the two is 2:1, and wherein in inorganic acid aqueous solution, the mass ratio of mineral acid and water is 1:150, and in organic acid alcoholic solution, the mass ratio of organic acid and alcohol is 1:150.
Mineral acid is phosphoric acid, and organic acid is Weibull, and described alcohol is propyl alcohol.
The preparation process of conversion fluid is: by using magnitude relation, phosphoric acid is dissolved in deionized water, be mixed with phosphate aqueous solution, Weibull is dissolved in propyl alcohol, be mixed with Weibull propanol solution, then phosphate aqueous solution and Weibull propanol solution are mixed according to the mass ratio of 2:1, be mixed with conversion fluid.
PH stablizer is the mixing solutions of 1mol/L SODIUM PHOSPHATE, MONOBASIC and 1mol/L Sodium phosphate dibasic, its volume ratio 40:60.
Auxiliary agent is made up of the component of following proportion by weight: wetting agent 0.5, dispersion agent 1, defoamer 0.3, flow agent 0.2.
B component is made up of solidifying agent and deionized water, and the proportion by weight of solidifying agent and deionized water is 5:1.Solidifying agent is the M603 fatty amines solidifying agent that Shanghai Lei Ming Chemical Co., Ltd. produces.
This elevator belt rusty gold belongs to the preparation method with the water-based anticorrosive paint of corrosion protection coating sticking power, comprises the following steps:
(1) formulation components A: by use magnitude relation above, remove ionized water and auxiliary agent, adjusting rotary speed is 500 revs/min, disperses 15 minutes, adds antirust filler, adjusting rotary speed is 2500 revs/min, disperse 45 minutes, then add aqueous epoxy emulsion, pH stablizer and conversion fluid, adjusting rotary speed is 500 revs/min, stir 30 minutes, after leaving standstill, obtain component A;
(2) formulation components B: by with magnitude relation, get solidifying agent and water, mixing, obtains B component;
(3) allocate: component A and B component are mixed by with magnitude relation, the band rusty gold that namely gets a promotion belongs to the water-based anticorrosive paint with corrosion protection coating sticking power.
embodiment 3
The elevator belt rusty gold that the present embodiment provides belongs to the water-based anticorrosive paint with corrosion protection coating interface binding power, and be made up of component A and B component, the mass ratio of the two is 4:1.
Wherein component A is made up of the component of following proportion by weight:
Aqueous epoxy emulsion 60,
Antirust filler 5,
Conversion fluid 20,
PH stablizer 1,
Auxiliary agent 3,
Deionized water 11;
The GE-95 aqueous epoxy emulsion that aqueous epoxy emulsion adopts Shanghai Aishibo Organosilicon Material Co., Ltd. to produce, solid content 50 ~ 60%, epoxy equivalent (weight) 176 ~ 181g/mol.
Antirust filler is ultra-fine zinc phosphate, and zinc content is greater than 45%, and particle diameter is 10 μm ~ 45 μm.
Conversion fluid is made up of inorganic acid aqueous solution and organic acid alcoholic solution, the mass ratio 3:1 of the two.Wherein in inorganic acid aqueous solution, the mass ratio of mineral acid and water is 1:199, and in organic acid alcoholic solution, the mass ratio of organic acid and alcohol is 1:199.
Mineral acid is phosphoric acid, and organic acid is phytic acid, and described alcohol is butanols.
The preparation process of conversion fluid is: by with magnitude relation, dissolved in deionized water by phosphoric acid, be mixed with phosphate aqueous solution, phytic acid is dissolved in butanols, be mixed with phytic acid butanol solution, then phosphate aqueous solution and phytic acid butanol solution mixed according to the mass ratio of 3:1, be mixed with conversion fluid.
PH stablizer is the mixing solutions of 1mol/L SODIUM PHOSPHATE, MONOBASIC and 1mol/L Sodium phosphate dibasic, its volume ratio 30:70.
Auxiliary agent forms wetting agent 1, dispersion agent 1, defoamer 0.5, flow agent 0.5 by the component of following proportion by weight.
B component is made up of solidifying agent and deionized water, and the proportion by weight of solidifying agent and deionized water is 6:1.Solidifying agent in B component is a kind of water-soluble modified epoxy polyamines crosslinking agent.
This elevator belt rusty gold belongs to the preparation method with the water-based anticorrosive paint of corrosion protection coating sticking power, comprises the following steps:
(1) formulation components A: by use magnitude relation above, remove ionized water and auxiliary agent, adjusting rotary speed is 600 revs/min, disperses 20 minutes, adds antirust filler, adjusting rotary speed is 3000 revs/min, disperse 60 minutes, then add aqueous epoxy emulsion, pH stablizer and conversion fluid, adjusting rotary speed is 600 revs/min, stir 40 minutes, after leaving standstill, obtain component A;
(2) formulation components B: by with magnitude relation, get solidifying agent and water, mixing, obtains B component;
(3) allocate: component A and B component are mixed by with magnitude relation, the band rusty gold that namely gets a promotion belongs to the water-based anticorrosive paint with corrosion protection coating sticking power.
embodiment 4
A kind ofly use the method for water-based anticorrosive paint in the present invention at band rusty gold metal surface: the floating rust first removing metal base surface, then brush at band rusty gold metal surface or spray the water-based anticorrosive paint in the present invention, for the metallic matrix that corrosion is slight, be coated with the water-based anticorrosive paint in a present invention, the water-based anticorrosive paint in 2 ~ 3 times the present invention can be coated with for the metallic matrix that corrosion is serious, can other corrosion protection coating of application after surface drying.
embodiment 5
According to formula and the preparation method of water-based anticorrosive paint in embodiment 1-3, obtain water-based anticorrosive paint sample 1, sample 2 and sample 3 respectively.Table 1 gives the result to the epoxy zinc rich primer adhesion test (GB/T 5210-2006) scribbled on the band rust Q235 carbon structural steel of water-based anticorrosive paint sample 1-3 and resistance to neutral salt spray performance measurement (GB/T 1771-2007), and gives the water-based do not scribbled in the present invention anti-spreading material controlled trial result.
Table 1 scribbles and does not scribble the adhesion test of water-based anticorrosive paint sample of the present invention and resistance to neutral salt spray performance measurement result
| Sample number into spectrum | Sticking power (Mpa) | Salt-fog resistant time (h) |
| Band rust Q235 carbon structural steel+epoxy zinc rich primer | 1.5 | 720 |
| Band rust Q235 carbon structural steel+sample 1+ epoxy zinc rich primer | 5.7 | 1000 |
| Band rust Q235 carbon structural steel+sample 2+ epoxy zinc rich primer | 6.2 | 1000 |
| Band rust Q235 carbon structural steel+sample 3+ epoxy zinc rich primer | 5.9 | 1000 |
Experimental result as can be seen from table 1, after use water-based anticorrosive paint of the present invention, the sticking power of epoxy zinc rich primer has and significantly promotes, and salt-fog resistant time also extends to some extent.Illustrate that water-based anticorrosive paint of the present invention can replace artificial rust cleaning, reach the object realizing promoting sticking power.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included in protection scope of the present invention.
Claims (10)
1. an elevator belt rusty gold belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, it is characterized in that: comprise component A and B component, described component A and the proportion by weight of B component are 2 ~ 4 ︰ 1, wherein component A is made up of the component of following proportion by weight: aqueous epoxy emulsion 40 ~ 60, antirust filler 5 ~ 15, conversion fluid 5 ~ 20, pH stablizer 1 ~ 5, auxiliary agent 1 ~ 3, deionized water 10 ~ 35; B component is made up of solidifying agent and deionized water, and described solidifying agent and the proportion by weight of deionized water are 4 ~ 6 ︰ 1.
2. elevator belt rusty gold according to claim 1 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, it is characterized in that: described antirust filler is ultra-fine zinc phosphate, in described ultra-fine zinc phosphate, Zn content is greater than 45%, and the particle diameter of described ultra-fine zinc phosphate is 10 ~ 45 μm.
3. elevator belt rusty gold according to claim 1 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, and it is characterized in that: described conversion fluid is made up of inorganic acid aqueous solution and organic acid alcoholic solution, the mass ratio of the two is 1 ~ 3 ︰ 1.
4. elevator belt rusty gold according to claim 3 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, it is characterized in that: in described inorganic acid aqueous solution, the mass ratio of mineral acid and water is 1 ︰ 99 ~ 199, in organic acid alcoholic solution, the mass ratio of organic acid and alcohol is 1 ︰ 99 ~ 199.
5. elevator belt rusty gold according to claim 4 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, and it is characterized in that: described mineral acid is phosphoric acid, described organic acid is poly-hydroxy organic acid, and described alcohol is small molecular alcohol.
6. belong to the water-based anticorrosive paint with corrosion protection coating sticking power according to the elevator belt rusty gold described in claim 5, it is characterized in that: described poly-hydroxy organic acid is Weibull or phytic acid, described small molecular alcohol is one or more in ethanol, propyl alcohol and butanols.
7. elevator belt rusty gold according to claim 1 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, it is characterized in that: the mixing solutions of described pH stablizer to be concentration be 1mol/L SODIUM PHOSPHATE, MONOBASIC and 1mol/L Sodium phosphate dibasic, the volume ratio of the two is 30 ~ 50 ︰ 70 ~ 50.
8. elevator belt rusty gold according to claim 1 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, it is characterized in that: described auxiliary agent comprises wetting agent, dispersion agent, defoamer and flow agent.
9. elevator belt rusty gold according to claim 1 belongs to the water-based anticorrosive paint with corrosion protection coating sticking power, it is characterized in that: described solidifying agent is water-soluble modified epoxy polyamines crosslinking agent or fatty amines solidifying agent.
10. the elevator belt rusty gold described in any one of claim 1-9 belongs to the preparation method with the water-based anticorrosive paint of corrosion protection coating sticking power, it is characterized in that comprising the following steps:
(1) formulation components A: by using magnitude relation, remove ionized water and auxiliary agent, adjusting rotary speed is 400 ~ 600 revs/min, disperses 10 ~ 20 minutes, adds antirust filler, adjusting rotary speed is 2000 ~ 3000 revs/min, disperse 30 ~ 60 minutes, then add aqueous epoxy emulsion, pH stablizer and conversion fluid, adjusting rotary speed is 400 ~ 600 revs/min, stir 20 ~ 40 minutes, after leaving standstill, obtain component A;
(2) formulation components B: by with magnitude relation, get solidifying agent and water, mixing, obtains B component;
(3) allocate: component A and B component are mixed by with magnitude relation, the band rusty gold that namely gets a promotion belongs to the water-based anticorrosive paint with corrosion protection coating sticking power.
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| CN105153873A (en) * | 2015-09-09 | 2015-12-16 | 天长市银狐漆业有限公司 | High-tenacity and high-strength waterborne electrostatic conducted anticorrosive coating |
| CN106556563A (en) * | 2015-09-25 | 2017-04-05 | 中国科学院金属研究所 | Deep-sea based on pattern recognition organic coating performance in-situ electrochemical evaluation method |
| CN108117819A (en) * | 2018-01-11 | 2018-06-05 | 沈阳顺风实业集团有限公司 | A kind of water-based antirusting paint operable with rust and preparation method thereof |
| CN110746846A (en) * | 2019-10-09 | 2020-02-04 | 五峰赤诚生物科技股份有限公司 | Tannin-based water-based paint for metal protection and preparation method thereof |
| CN110964406A (en) * | 2019-11-12 | 2020-04-07 | 无锡华东锌盾科技有限公司 | Water-based epoxy low-surface-treatment anticorrosive paint and preparation method and application thereof |
| CN113637974A (en) * | 2021-08-17 | 2021-11-12 | 西安热工研究院有限公司 | Rust removing and preventing liquid for steel workpiece before coating and preparation method thereof |
| CN113999592A (en) * | 2021-11-29 | 2022-02-01 | 国网山东省电力公司电力科学研究院 | Waterborne epoxy rusty anticorrosive paint, and preparation method and application thereof |
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| CN105153873A (en) * | 2015-09-09 | 2015-12-16 | 天长市银狐漆业有限公司 | High-tenacity and high-strength waterborne electrostatic conducted anticorrosive coating |
| CN106556563A (en) * | 2015-09-25 | 2017-04-05 | 中国科学院金属研究所 | Deep-sea based on pattern recognition organic coating performance in-situ electrochemical evaluation method |
| CN108117819A (en) * | 2018-01-11 | 2018-06-05 | 沈阳顺风实业集团有限公司 | A kind of water-based antirusting paint operable with rust and preparation method thereof |
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| CN110746846A (en) * | 2019-10-09 | 2020-02-04 | 五峰赤诚生物科技股份有限公司 | Tannin-based water-based paint for metal protection and preparation method thereof |
| CN110964406A (en) * | 2019-11-12 | 2020-04-07 | 无锡华东锌盾科技有限公司 | Water-based epoxy low-surface-treatment anticorrosive paint and preparation method and application thereof |
| CN113637974A (en) * | 2021-08-17 | 2021-11-12 | 西安热工研究院有限公司 | Rust removing and preventing liquid for steel workpiece before coating and preparation method thereof |
| CN113999592A (en) * | 2021-11-29 | 2022-02-01 | 国网山东省电力公司电力科学研究院 | Waterborne epoxy rusty anticorrosive paint, and preparation method and application thereof |
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