CN107325681A - A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof - Google Patents
A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof Download PDFInfo
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- CN107325681A CN107325681A CN201710426091.9A CN201710426091A CN107325681A CN 107325681 A CN107325681 A CN 107325681A CN 201710426091 A CN201710426091 A CN 201710426091A CN 107325681 A CN107325681 A CN 107325681A
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- resistant epoxy
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- 239000003973 paint Substances 0.000 title claims abstract description 81
- 238000005260 corrosion Methods 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000004593 Epoxy Substances 0.000 title claims abstract description 47
- 125000003700 epoxy group Chemical group 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 150000001455 metallic ions Chemical class 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- -1 amino, hydroxyl Chemical group 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 11
- ZTFZSHLWORMEHO-UHFFFAOYSA-A pentaaluminum;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O ZTFZSHLWORMEHO-UHFFFAOYSA-A 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- PZZYQPZGQPZBDN-UHFFFAOYSA-N Aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 241000276489 Merlangius merlangus Species 0.000 claims description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H Zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 235000012222 talc Nutrition 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 2
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010960 cold rolled steel Substances 0.000 claims 1
- 230000002421 anti-septic Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 description 10
- 239000002904 solvent Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000007711 solidification Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 210000000481 Breast Anatomy 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000670 limiting Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N o-xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000002829 reduced Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- 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
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/32—Compounds containing nitrogen bound to oxygen
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
-
- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
-
- 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
- C08K2003/327—Aluminium phosphate
Abstract
The invention discloses a kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof, the coating is by mass percentage by following material composition：Aqueous epoxy resins are 40~45%, and anti-corrosion paint is 5~6%, and corrosion inhibiter is 3~5%, and filler is 6~10%, and water is 25~28%, and anti-flash rusting agent is 0.5~2%, and metallic-ion crosslinking agent is 14~18%.Raw material of the present invention is extensive, preparation technology simple, convenient construction, excellent effect, by using can using the metallo-chelate of crosslinked at low temperature as cryogenic conditions under water paint crosslinking agent, it can realize waterborne epoxy coatings at a lower temperature to solidify, greatly reduce the energy that solidified aqueous coating is consumed, save the energy, meanwhile, low-temperature setting waterborne epoxy coatings disclosed by the invention has preferable antiseptic property, and salt-fog resistant test is up to 1200h.
Description
Technical field
The invention belongs to new compound field, it is related to a kind of new compound and preparation method thereof, and in particular to a kind of
Low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof.
Background technology
Metal erosion gives China or even whole world band immeasurable economic loss every year, and coating is guarantor generally acknowledged at present
Metal is protected from corrosion most direct, most convenient, most economical mode.Traditional solvent based coating has numerous advantages, in gold
Belong to anticorrosion field well received.But, increase with the continuation of environmental pressure, solvent based coating has been forbidden in countries in the world
Use.Find environment-friendly type coating turns into the focus of development coating naturally, and water paint becomes most possibly instead of molten
The new type environment friendly coating of formulation coating.Water paint is in the ripe application of the fields such as emulsion paint, woodcare paint.But water paint
The antiseptic effect of solvent based coating is not reached but as antiseptic coating ofiron and steel, so development priority is to improve water paint at present
Anticorrosion ability, and achieve good achievement.
Water paint is the coating using water as solvent, water wide material sources and the discharge that will not increase VOC, so, with water
Production cost is not only reduced for solvent, while meeting environmental requirement.But, water is as solvent but has many defects, such as
The fusing point of water is more much higher than conventional solvent toluene, dimethylbenzene；Furthermore the evaporation latent heat of water is big, so the solidification of water paint is needed
Temperature and extension soaking time that will be higher.Energy required for solidified aqueous coating is tens times of solvent based coating, so
Solidified aqueous coating is accomplished by more energy.
The solidification of water paint is the crosslinking of water-base resin in water paint, and the crosslinking of water-base resin is typically in curing agent
The lower progress of effect.Curing agent generally used in us is required to reach that certain activation energy reaction could be carried out in solidification,
So in paint solidification, it usually needs rise solidification temperature and extension soaking time.Finding one kind can be compared with low-activation energy
A kind of crosslinking method that can be carried out down is to reduce the top priority of paint solidification temperature.Metal ion crosslinked is solvent based coating
The traditional crosslinking method of middle comparison, because metal ion is in water paint and its unstable, so that does not quote is aqueous
Among coating.How to solve stability of the metal ion in water paint is the key factor for solving low-temperature setting.
The content of the invention
In order to overcome the shortcomings of the prior art, the present invention realizes the low-temperature solid of water paint using metal ion crosslinked
Change, using chelating agent first by metal ion-chelant, be prepared into chelate of metal ion, add the stability of metal ion,
Effect with metal ion crosslinked again simultaneously., can using obtained chelate of metal ion as the curing agent of anticorrosive paint
To significantly improve the crosslink density and crosslinking rate of corrosion-inhibiting coating, and this cross-linking reaction can just occur at room temperature, can be with
The substantially crosslinking curing temperature of reduction water paint, and antiseptic property is excellent, salt-fog resistant test is up to 1200h.So far,
Such a crosslinking method has no report in water-based anticorrosive paint field.
The present invention is adopted the following technical scheme that：
A kind of low-temperature setting water corrosion-resistant epoxy paint, is by mass percentage 40~45% by aqueous epoxy resins, prevents
Rotten pigment is 5~6%, and corrosion inhibiter is 3~5%, and filler is 6~10%, and water is 25~28%, and anti-flash rusting agent is 0.5~2%,
Metallic-ion crosslinking agent is 14~18% compositions.Wherein, the structural formula of described metallic-ion crosslinking agent is：
In formula, X, Y, R, R1Respectively any of amino, hydroxyl, carboxyl-reactive group.
It is preferred that, described anti-flash rusting agent is the benzene ring compound containing nitro, and its general structure is：
Wherein R is H or C1~C10。
It is preferred that, described inhibitor structure formula is：
Wherein, X is SH or methyl, R=C1~C5。
It is preferred that, described anti-corrosion paint is composite zinc phosphate, aluminium triphosphate, is modified in aluminium triphosphate, zinc molybdate
One or more any quality compare composition.
Further, described filler be it is a kind of in coarse whiting, wollastonite in powder, mica, talcum powder, kaolin, dolomite or
The mixture of a variety of any mass ratioes.
A kind of preparation method of low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 1000~2000r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 3~5h at 20~50 DEG C, then conserve 1~5h at 50~70 DEG C.
The present invention has the advantage that and beneficial effect：
(1) low-temperature setting water corrosion-resistant epoxy paint of the invention, it uses novel metal ion chelate complex as crosslinking
Agent, with crosslinking rate is fast, the low advantage of solidification temperature, can be achieved the cold curing of water paint；
(2) low-temperature setting water corrosion-resistant epoxy paint of the invention, its chelate of metal ion crosslinking can be significantly improved
The crosslink density of coating, improves the antiseptic property of coating；
(3) low-temperature setting water corrosion-resistant epoxy paint of the invention, metal ion crosslinked is by consuming water-base epoxy breast
Hydrophilic radical realizes the solidification of coating in liquid, so its coating surface hydrophily formed declines, anti-corrosion capability is improved, resistance to
The salt fog time reaches 1200h.
Embodiment
Following examples further illustrate present disclosure, but should not be construed as limiting the invention.Without departing substantially from
In the case of spirit and essence of the invention, the modification and replacement made to the inventive method, step or condition belong to the present invention
Scope.Unless otherwise specified, the conventional meanses that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
First, the formula of composition
1st, anti-corrosion paint, the mixture of filler are prepared respectively in mass ratio.
2nd, compositions formulated each component content by mass percentage：
2nd, preparation method
A kind of method for preparing low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 1000r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 3h at 20 DEG C, then conserve 1h at 50 DEG C.
Embodiment 2
First, the formula of composition
1st, anti-corrosion paint, the mixture of filler are prepared respectively in mass ratio.
2nd, compositions formulated each component content by mass percentage：
2nd, preparation method
A kind of method for preparing low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 2000r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 5h at 50 DEG C, then conserve 5h at 70 DEG C.
Embodiment 3
First, the formula of composition
1st, anti-corrosion paint, the mixture of filler are prepared respectively in mass ratio.
2nd, compositions formulated each component content by mass percentage：
2nd, preparation method
A kind of method for preparing low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 1500r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 3~5h at 30 DEG C, then conserve 3h at 60 DEG C.
Embodiment 4
First, the formula of composition
1st, anti-corrosion paint, the mixture of filler are prepared respectively in mass ratio.
2nd, compositions formulated each component content by mass percentage：
2nd, preparation method
A kind of method for preparing low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 2000r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 4h at 50 DEG C, then conserve 5h at 65 DEG C.
Embodiment 5
First, the formula of composition
1st, anti-corrosion paint, the mixture of filler are prepared respectively in mass ratio.
2nd, compositions formulated each component content by mass percentage：
2nd, preparation method
A kind of method for preparing low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 2000r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 3h at 20 DEG C, then conserve 4h at 70 DEG C.
Embodiment 6
First, the formula of composition
1st, anti-corrosion paint, the mixture of filler are prepared respectively in mass ratio.
2nd, compositions formulated each component content by mass percentage：
2nd, preparation method
A kind of method for preparing low-temperature setting water corrosion-resistant epoxy paint, step is as follows：
1st, at room temperature, aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water are mixed, with rotating speed
Stir, be homogenized for 1000~2000r/min, room temperature is placed；
2nd, in use, homogenate and metallic-ion crosslinking agent prepared by step 1 are mixed, stirred, water-base epoxy is obtained
Anticorrosive paint.
The application method of the low-temperature setting water corrosion-resistant epoxy paint of the present invention, water corrosion-resistant epoxy paint is painted on cold
On rolled steel plate, solidify 5h at 50 DEG C, then conserve 5h at 70 DEG C.
The coating that embodiment 1~6 is prepared, then carries out salt spray test, as a result as shown in the table：
Claims (8)
1. a kind of low-temperature setting water corrosion-resistant epoxy paint, is by mass percentage 40~45%, anti-corrosion by aqueous epoxy resins
Pigment is 5~6%, and corrosion inhibiter is 3~5%, and filler is 6~10%, and water is 25~28%, and anti-flash rusting agent is 0.5~2%, gold
It is 14~18% compositions to belong to ion crosslinking agent.
2. a kind of low-temperature setting water corrosion-resistant epoxy paint according to claim 1, it is characterised in that described metal from
Sub- crosslinking agent structure is：
Wherein, X, Y, R, R1Respectively any of amino, hydroxyl, carboxyl-reactive group.
3. a kind of low-temperature setting water corrosion-resistant epoxy paint according to claim 1, it is characterised in that described anti-flash rusting
Agent is the benzene ring compound containing nitro, and its structure is：
Wherein R is H or C1~C10。
4. a kind of low-temperature setting water corrosion-resistant epoxy paint according to claim 1, it is characterised in that described corrosion inhibiter
Structure is：
Wherein, X is SH or methyl, R=C1~C5。
5. a kind of low-temperature setting water corrosion-resistant epoxy paint according to claim 1, it is characterised in that described anti-corrosion face
Expect to compare composition for one or more any quality in composite zinc phosphate, aluminium triphosphate, modified aluminium triphosphate, zinc molybdate.
6. a kind of low-temperature setting water corrosion-resistant epoxy paint according to claim 1, it is characterised in that described filler is
The composition of one or more any mass ratioes in coarse whiting, wollastonite in powder, mica, talcum powder, kaolin, dolomite.
7. a kind of preparation method of low-temperature setting water corrosion-resistant epoxy paint as described in any one of claim 1~6, its feature
It is, step is as follows：
(1) at room temperature, by aqueous epoxy resins, anti-corrosion paint, corrosion inhibiter, filler, anti-flash rusting agent, water mix, using rotating speed as
1000~2000r/min is stirred, and is homogenized, and room temperature is placed；
(2) in use, homogenate and metallic-ion crosslinking agent prepared by step (1) are mixed, stirred, obtain water-base epoxy and prevent
Rotten coating.
8. a kind of application method of low-temperature setting water corrosion-resistant epoxy paint as described in claim 1~6, it is characterised in that
Water corrosion-resistant epoxy paint is painted on cold-rolled steel sheet, solidifies 3~5h at 20~50 DEG C, then 1 is conserved at 50~70 DEG C
~5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426091.9A CN107325681A (en) | 2017-06-08 | 2017-06-08 | A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426091.9A CN107325681A (en) | 2017-06-08 | 2017-06-08 | A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107325681A true CN107325681A (en) | 2017-11-07 |
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| CN201710426091.9A Pending CN107325681A (en) | 2017-06-08 | 2017-06-08 | A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof |
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| CN (1) | CN107325681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746849A (en) * | 2019-10-17 | 2020-02-04 | 江苏科技大学 | Hydrogen sulfide corrosion-resistant water-based coating composition and preparation method and application thereof |
| CN114891420A (en) * | 2022-06-20 | 2022-08-12 | 一汽解放汽车有限公司 | Weather-proof anticorrosive paint, and preparation method and protection method thereof |
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| CN104974641A (en) * | 2015-07-24 | 2015-10-14 | 上海海悦涂料有限公司 | Water-based epoxy low-temperature-curing finish paint and preparation method thereof |
| CN105907240A (en) * | 2016-05-13 | 2016-08-31 | 江苏科技大学 | Aqueous epoxy anti-corrosion paint containing flash-rust inhibitors and preparation method thereof |
| CN106590138A (en) * | 2017-01-11 | 2017-04-26 | 江苏科技大学 | Metal ion cross-linking agent for curing waterborne coating at low temperature and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104974641A (en) * | 2015-07-24 | 2015-10-14 | 上海海悦涂料有限公司 | Water-based epoxy low-temperature-curing finish paint and preparation method thereof |
| CN105907240A (en) * | 2016-05-13 | 2016-08-31 | 江苏科技大学 | Aqueous epoxy anti-corrosion paint containing flash-rust inhibitors and preparation method thereof |
| CN106590138A (en) * | 2017-01-11 | 2017-04-26 | 江苏科技大学 | Metal ion cross-linking agent for curing waterborne coating at low temperature and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746849A (en) * | 2019-10-17 | 2020-02-04 | 江苏科技大学 | Hydrogen sulfide corrosion-resistant water-based coating composition and preparation method and application thereof |
| CN110746849B (en) * | 2019-10-17 | 2021-08-10 | 江苏科技大学 | Hydrogen sulfide corrosion-resistant water-based coating composition and preparation method and application thereof |
| CN114891420A (en) * | 2022-06-20 | 2022-08-12 | 一汽解放汽车有限公司 | Weather-proof anticorrosive paint, and preparation method and protection method thereof |
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Application publication date: 20171107 |