CN110511647A - A kind of aqueous double-component epoxy anticorrosion primer and preparation method thereof - Google Patents
A kind of aqueous double-component epoxy anticorrosion primer and preparation method thereof Download PDFInfo
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- CN110511647A CN110511647A CN201910678790.1A CN201910678790A CN110511647A CN 110511647 A CN110511647 A CN 110511647A CN 201910678790 A CN201910678790 A CN 201910678790A CN 110511647 A CN110511647 A CN 110511647A
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 57
- 239000000843 powder Substances 0.000 claims abstract description 54
- 229920002647 polyamide Polymers 0.000 claims abstract description 47
- 239000004952 Polyamide Substances 0.000 claims abstract description 45
- 239000002270 dispersing agent Substances 0.000 claims abstract description 43
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000005260 corrosion Methods 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 32
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 28
- 239000008367 deionised water Substances 0.000 claims abstract description 26
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 26
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims description 35
- 239000010445 mica Substances 0.000 claims description 26
- 229910052618 mica group Inorganic materials 0.000 claims description 26
- -1 carboxylic Acid sodium-salt Chemical class 0.000 claims description 18
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims description 10
- IDQBJILTOGBZCR-UHFFFAOYSA-N 1-butoxypropan-1-ol Chemical compound CCCCOC(O)CC IDQBJILTOGBZCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000012764 mineral filler Substances 0.000 claims description 8
- 150000002118 epoxides Chemical class 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 26
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 44
- 229920000647 polyepoxide Polymers 0.000 description 25
- 239000003822 epoxy resin Substances 0.000 description 24
- 229940106691 bisphenol a Drugs 0.000 description 22
- 239000002480 mineral oil Substances 0.000 description 19
- 235000010446 mineral oil Nutrition 0.000 description 19
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical group COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 15
- 239000002994 raw material Substances 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 229910052755 nonmetal Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 230000007123 defense Effects 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- CIURCIMZEPBPPG-UHFFFAOYSA-N CC(CCC)OC(C)COC(C)CO Chemical compound CC(CCC)OC(C)COC(C)CO CIURCIMZEPBPPG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000007590 electrostatic spraying Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- 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
-
- 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
- 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
- C09D7/65—Additives macromolecular
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of water-base epoxy anti-corrosion primers, belong to anticorrosive paint technology field, the water-base epoxy anti-corrosion primer includes two components of A, B, and component A includes: 200 parts of modified epoxy, 90-120 parts of solvent according to parts by weight, 3-10 parts of dispersing agent, 2-3 parts of defoaming agent, 5-10 parts of graphene, 400-600 parts of zinc powder, 250-300 parts of filler, 3-8 parts of polyamide wax powder；B component includes: 300-500 parts of deionized water according to parts by weight, dodge auxiliary agent 50-100 parts of erosion, 400-550 parts of curing agent, the mass ratio of the component A and B component is 1:0.2-0.5, can solve and improves zinc powder utilization rate, improve paint film patience, reduce surface of the paint film tension, improve paint film adhesive ability, promote the problem of spraying application efficiency.
Description
Technical field
The present invention relates to anticorrosive paint technology fields, more particularly to a kind of aqueous double-component epoxy anticorrosion primer and its system
Preparation Method.
Background technique
Since anticorrosive paint can be applied in relatively harsh corrosive environment and have guarantor longer than conventional anticorrosive paint
Shield phase, anticorrosive paint play increasingly important role in the development of the national economy and national defense construction, such as shipbuilding,
The fields such as mechanized equipment manufacture, national defense industry all be unable to do without anticorrosive paint.In recent years, with China's national defense industrial expansion,
Diversified anticorrosive paint can come out with the development of science and technology.
In many corrosion-resistant fields, such as ship normal transport, the normal use process of bridge, small area is often had
Scratch, collision leads to peeling paint, and due to during being in normal service, the engineerings such as impaired ship, bridge integrally can not be into
Row timely repairs, and necessarily leads to the reduced service life of engineering entirety.
Traditional epoxy anticorrosion primer is mainly by means of the height of zinc content in performance boost, and zinc contains under normal circumstances
Amount is higher, and antiseptic property is better, but the raising of cost and zinc powder utilization rate is caused to reduce, and virtually causes many resources waves
Take.
1. effect of water corrosion-resistant epoxy paint the main problems are as follows: of development & production is single at this stage, using face is relatively narrow,
Lack versatility；2. product is consolidated, part is low, and non-volatile part of aqueous product rests on 40% or so at present；3. some water-base epoxies produce
Product only meet the requirement of experimental stage, are unable to satisfy requirement in actual production and application；4. price height does not have advantage；5. zinc powder
Utilization rate is low.Therefore, exploitation water corrosion-resistant epoxy paint is society and the certainty that environmental protection needs, develops.
Summary of the invention
The object of the present invention is to provide a kind of aqueous double-component epoxy anticorrosion primers and preparation method thereof, above-mentioned existing to solve
The problem of with the presence of technology, uses modified epoxy and polyamide-based curing agent as main film forming matter, adds Graphene powder
Body reduces zinc powder additional proportion, adds anti-flash corrosion auxiliary agent, improve the antirust ability of anti-corrosion primer.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of aqueous double-component epoxy anticorrosion primer, including component A and B component,
According to parts by weight, component A includes: 200 parts of modified epoxy, 90-120 parts of solvent, 3-10 parts of dispersing agent, is disappeared
2-3 parts of infusion, 5-10 parts of graphene, 400-600 parts of zinc powder, 250-300 parts of filler, 3-8 parts of polyamide wax powder；
According to parts by weight, B component includes: 300-500 parts of deionized water, and anti-flash corrosion auxiliary agent 50-100 parts, curing agent
400-550 parts；
The mass ratio of the component A and B component is 1:0.2-0.5.
Further, the epoxide number of the modified epoxy is 0.3-0.45.
Further, the solvent is propylene glycol monomethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene
It is one or more.Solvent of the present invention is high boiling solvent.
Further, the dispersing agent is one kind or more of carboxylic acid sodium salt dispersing agent, acrylic acid dispersant, alkynol dispersing agent
Kind.
Further, the defoaming agent is the one or two of mineral oil antifoam agent, silicon class defoaming agent.
Further, the partial size of the graphene is 1-4nm.Graphene has two dimension knot as a kind of functional powder
Structure, partial size 1-4nm have stronger shielding action and electric conductivity.
Further, the curing agent is polyamide-based curing agent.
Further, the filler is nonmetal mineral fillers.
Further, the nonmetal mineral fillers are one or both of blanc fixe, mica powder.Mica powder is
Weatherability nonmetal mineral fillers, blanc fixe are weather-proof low heavy metal barium sulfate.
Further, effective Zn content is greater than 99.99% in the zinc powder, is free of heavy metal.
Further, the anti-flash corrosion auxiliary agent is the sodium salt of organic acid.
The present invention also provides the preparation methods of the aqueous double-component epoxy anticorrosion primer, comprising the following steps:
According to the ratio, component A: investment modified epoxy, sequentially add solvent, dispersing agent, defoaming agent, zinc powder, graphene,
Filler, polyamide wax powder, middling speed disperse to be uniformly mixed for 30-35 minutes, and fineness of grind is to≤50 microns；
B component: investment curing agent, anti-flash corrosion auxiliary agent, deionized water are uniformly mixed to get arriving for moderate-speed mixer 10-15 minutes
Aqueous double-component epoxy anticorrosion primer.
The present invention also provides the aqueous double-component epoxy anticorrosion primers in shipbuilding, mechanized equipment manufacture, national defence work
Application in industry.
The invention discloses following technical effects:
Graphene can connect metal base and zinc powder, play as a kind of brand-new material with good electric conductivity
Good electric conductivity, be uniformly distributed in coating paint film its electric conductivity can stronger elimination epoxy resin and curing agent to zinc powder
Package, connect its globality of guarantee, coating antiseptic process occur electrochemical reaction in zinc powder can be abundant
It utilizes, reaches peak efficiency；And its partial size is small, between 1-4nm, seldom amount is added i.e. and can reach good shielding；
And due to the chemical stabilization sexual factor of graphene, the toughness and adhesive force of paint film can be enhanced by being added in coating, improve the resistance to of paint film
The performances such as water, acid and alkali-resistance.
The present invention uses modified epoxy and curing agent；The electric conductivity between graphene raising zinc powder is added, zinc is improved
Powder utilization rate forms physics shielded layer and plays good shielding action, improves paint film patience, adds anti-flash corrosion auxiliary agent and improves rust-proofing
Ability adds high boiling solvent, reduces surface of the paint film tension, improves paint film adhesive ability, promotes spraying application efficiency.
It is 80% that non-volatile part of epoxy primer of the present invention, which stops,.Anti-corrosion primer of the invention have excellent anti-corrosive properties,
Water resistance, adhesive force are strong, shock resistance, smell and VOC are low, application property is good, safety, it is comprehensive can be excellent.
Epoxy primer of the invention can be applied to shipbuilding, mechanized equipment manufactures, the application in national defense industry, can be used for
In relatively harsh corrosive environment, and application range is wider.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Aqueous double-component epoxy anticorrosion primer provided in an embodiment of the present invention, including component A and B component,
According to parts by weight, component A includes: 200 parts of modified epoxy, 90-120 parts of solvent, 3-10 parts of dispersing agent, is disappeared
2-3 parts of infusion, 5-10 parts of graphene, 400-600 parts of zinc powder, 250-300 parts of filler, 3-8 parts of polyamide wax powder；
According to parts by weight, B component includes: 300-500 parts of deionized water, and anti-flash corrosion auxiliary agent 50-100 parts, curing agent
400-550 parts；
The mass ratio of the component A and B component is 1:0.2-0.5.
Further, the epoxide number of the modified epoxy is 0.3-0.45.
The embodiment of the present invention is suitable for the transmission shaft water-thinned antirust primer of electrostatic spraying, with modified epoxy and aliphatic
Polynary amine curing agent adds antirust filler and anti-flash corrosion auxiliary agent, improves the antirust ability of priming paint as main film forming matter, more
It can achieve application requirement after secondary performance detection, the selection of epoxy resin and curing agent and the addition of solvent ensure that electrostatic spraying
Spraying effect easy for construction and good.
The modified epoxy is bisphenol A type epoxy resin, is contracted under alkaline condition by bisphenol-A, epoxychloropropane
It closes, through washing, the refined high-molecular compound of desolventizing.Because the manufactured goods of epoxy resin have good Physical Mechanical
Can, chemical resistance, electrical insulation properties, thus be widely used in coating, adhesive, glass reinforced plastic, laminate, electronics casting,
The fields such as encapsulating, encapsulating.
Further, the solvent is propylene glycol monomethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene
It is one or more.Solvent of the present invention is high boiling solvent.Propylene glycol and glycol ether belong to dihydric alcohol ether solvent,
Propylene glycol is lower than gylcol ether product to the toxicity of human body, belongs to less toxic ethers.Propylene glycol monomethyl ether has faint ether taste, but does not have
There is strong and stimulating smell, keeps its purposes more safe extensively.Since existing ether has a hydroxyl in its molecular structure again, thus it
Solubility property is very excellent, and has the features such as suitable rate of volatilization and reactivity and obtain wide application.
Further, the dispersing agent is one kind or more of carboxylic acid sodium salt dispersing agent, acrylic acid dispersant, alkynol dispersing agent
Kind.
Further, the defoaming agent is the one or two of mineral oil antifoam agent, silicon class defoaming agent.
Further, the partial size of the graphene is 1-4nm.Graphene has two dimension knot as a kind of functional powder
Structure, partial size 1-4nm have stronger shielding action and electric conductivity.
Further, the curing agent is polyamide-based curing agent.
Polyamide wax powder in the embodiment of the present invention, its swelling structure reticulate, and have extraordinary intensity and heat resistance,
Excellent storage stability has splendid result of prevention in coating system, the thixotropy of coating can be improved, effective by solvent
Activation, forms powerful network structure in paint system, excellent thixotropic property, has excellent resist sagging ability, anti-settling
Drop ability.
Further, the filler is nonmetal mineral fillers.
Further, the nonmetal mineral fillers are one or both of blanc fixe, mica powder.Mica powder is
Weatherability nonmetal mineral fillers, blanc fixe are weather-proof low heavy metal barium sulfate.The mica powder is weather-proof nonmetallic ore
Object filler, mica powder is a kind of nonmetallic mineral, containing Multiple components, wherein mainly there is SiO2, content generally 49% or so,
Al2O3Content is 30% or so.Mica powder has good elasticity, toughness.Insulating properties, high temperature resistant, acid and alkali-resistance, corrosion-resistant, attachment
The characteristics such as power is strong, are a kind of excellent additives.It is widely used in electric appliance, welding rod, rubber, plastics, papermaking, paint,
The industries such as coating, pigment, ceramics, cosmetics, building material, purposes are extremely extensive；The blanc fixe is a weather-proof low huge sum of money
Belong to barium sulfate, blanc fixe is used as the raw material or filler of paint, ink, plastics, poster paint, cosmetics, battery, rubber
Not only make filler in glue product, but also play reinforcing effect.
Further, effective Zn content is greater than 99.99% in the zinc powder, is free of heavy metal.
Further, the anti-flash corrosion auxiliary agent is the sodium salt of organic acid.
The preparation method of aqueous double-component epoxy anticorrosion primer described in the embodiment of the present invention, comprising the following steps:
According to the ratio, component A: investment modified epoxy → sequentially add solvent → dispersing agent → defoaming agent → zinc powder → stone
Black alkene → filler → polyamide wax powder → middling speed disperses to be uniformly mixed within 30-35 minutes → extremely≤50 microns of fineness of grind.
B component: investment curing agent → anti-flash corrosion auxiliary agent → deionized water is uniformly mixed for moderate-speed mixer 10-15 minutes.
The present invention also provides the aqueous double-component epoxy anticorrosion primers in shipbuilding, mechanized equipment manufacture, national defence work
Application in industry.
Embodiment 1
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 90 parts of propylene glycol monomethyl ether, 3 parts of carboxylic acid sodium salt dispersing agent, mineral oil defoaming
2 parts of agent, 5 parts of graphene, 400 parts of zinc powder, 250 parts of mica powder, 3 parts of polyamide wax powder；
B component: 300 parts of deionized water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.2.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propylene glycol monomethyl ether → carboxylic acid sodium salt dispersing agent →
Mineral oil antifoam agent → zinc powder → graphene → mica powder → polyamide wax powder → middling speed 00-600r/min disperses to mix for 30 minutes
Uniformly → fineness of grind is to≤50 microns.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 10 points
Clock is uniformly mixed.
Embodiment 2
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 120 parts of mixture of propandiol butyl ether and dipropylene glycol methyl ether, acrylic acid
5 parts of dispersing agent, 3 parts of mineral oil antifoam agent, 10 parts of graphene, 500 parts of zinc powder, 280 parts of mica powder, 5 parts of polyamide wax powder；
B component: 400 parts of deionized water, 80 parts of anti-flash corrosion auxiliary agent, 500 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.3.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propandiol butyl ether and dipropylene glycol methyl ether it is mixed
Close object → carboxylic acid sodium salt dispersing agent → mineral oil antifoam agent → zinc powder → graphene → mica powder → polyamide wax powder → middling speed
400-600r/min disperses to be uniformly mixed within 30 minutes → extremely≤50 microns of fineness of grind.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 10 points
Clock is uniformly mixed.
Embodiment 3
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 120 parts of dipropylene glycol methyl-n-butyl ether, alkynol dispersing agent and acrylic acid dispersant
3 parts of mixture, 2 parts of mineral oil antifoam agent, 10 parts of graphene, 600 parts of zinc powder, 250 parts of sulfate precipitate calcium, polyamide wax powder 3
Part；
B component: 300 parts of deionized water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.5.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propandiol butyl ether → carboxylic acid sodium salt dispersing agent →
Mixture → zinc powder → graphene → mica powder → polyamide wax powder → middling speed 400- of alkynol dispersing agent and acrylic acid dispersant
600r/min disperses to be uniformly mixed within 35 minutes → extremely≤50 microns of fineness of grind.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 15 points
Clock is uniformly mixed.
Embodiment 4
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 120 parts of mixture of dipropylene glycol methyl-n-butyl ether and propandiol butyl ether, alkynol
3 parts of mixing of dispersing agent and acrylic acid dispersant, 2 parts of silicon class defoaming agent, 10 parts of graphene, 600 parts of zinc powder, sulfate precipitate calcium
250 parts, 3 parts of polyamide wax powder；
B component: the mass ratio of deionization component is 1:0.5.
2. preparation method
300 parts of water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The component A and B
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propandiol butyl ether and dipropylene glycol methyl ether it is mixed
Close object → carboxylic acid sodium salt dispersing agent → mineral oil antifoam agent → zinc powder → graphene → mica powder → polyamide wax powder → middling speed
400-600r/min disperses to be uniformly mixed within 35 minutes → extremely≤50 microns of fineness of grind.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 15 points
Clock is uniformly mixed.
Embodiment 5
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 120 parts of mixture of propylene glycol monomethyl ether and dipropylene glycol methyl ether, acrylic acid
10 parts of dispersing agent, 3 parts of mineral oil antifoam agent, 10 parts of graphene, 600 parts of zinc powder, the mixture 250 of mica powder and sulfate precipitate calcium
Part, 8 parts of polyamide wax powder；
B component: 500 parts of deionized water, 100 parts of anti-flash corrosion auxiliary agent, 500 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.5.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propylene glycol monomethyl ether and dipropylene glycol methyl ether it is mixed
The mixture of conjunction object → acrylic acid dispersant → mineral oil antifoam agent → zinc powder → graphene → mica powder and sulfate precipitate calcium →
Polyamide wax powder → middling speed 400-600r/min disperses to be uniformly mixed within 30 minutes → extremely≤50 microns of fineness of grind.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 15 points
Clock is uniformly mixed.
Embodiment 6
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 110 parts of dipropylene glycol methyl ether, 9 parts of acrylic acid dispersant, silicon class defoaming agent
3 parts, 10 parts of graphene, 550 parts of zinc powder, 250 parts of mica powder, 8 parts of polyamide wax powder；
B component: 500 parts of deionized water, 100 parts of anti-flash corrosion auxiliary agent, 500 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.5.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add dipropylene glycol methyl ether → acrylic acid dispersant →
Mineral oil antifoam agent → zinc powder → graphene → mica powder → polyamide wax powder → middling speed 400-600r/min disperses to mix for 30 minutes
Uniformly → fineness of grind is closed to≤50 microns.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 15 points
Clock is uniformly mixed.
Embodiment 7
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 90 parts of propylene glycol monomethyl ether, 3 parts of carboxylic acid sodium salt dispersing agent, mineral oil defoaming
2 parts of agent, 400 parts of zinc powder, 250 parts of mica powder, 3 parts of polyamide wax powder；
B component: 300 parts of deionized water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.2.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propylene glycol monomethyl ether → carboxylic acid sodium salt dispersing agent →
Mineral oil antifoam agent → zinc powder → mica powder → polyamide wax powder → middling speed 400-600r/min disperses to be uniformly mixed for 30 minutes →
Fineness of grind is to≤50 microns.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 10 points
Clock is uniformly mixed.
Embodiment 8
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 90 parts of propylene glycol monomethyl ether, 3 parts of carboxylic acid sodium salt dispersing agent, mineral oil defoaming
2 parts of agent, 100 parts of graphene, 400 parts of zinc powder, 250 parts of mica powder, 3 parts of polyamide wax powder；
B component: 300 parts of deionized water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.2.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propylene glycol monomethyl ether → carboxylic acid sodium salt dispersing agent →
Mineral oil antifoam agent → zinc powder → graphene → mica powder → polyamide wax powder → middling speed 400-600r/min disperses to mix for 30 minutes
Uniformly → fineness of grind is closed to≤50 microns.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 10 points
Clock is uniformly mixed.
Embodiment 9
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 90 parts of propylene glycol monomethyl ether, 3 parts of carboxylic acid sodium salt dispersing agent, mineral oil defoaming
2 parts of agent, 5 parts of graphene, 400 parts of zinc powder, 250 parts of mica powder；
B component: 300 parts of deionized water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:0.2.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propylene glycol monomethyl ether → carboxylic acid sodium salt dispersing agent →
Mineral oil antifoam agent → zinc powder → graphene → mica powder → middling speed 400-600r/min disperses to be uniformly mixed within 30 minutes → grinding
Fineness is to≤50 microns.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 10 points
Clock is uniformly mixed.
Embodiment 10
1. raw material proportioning
Component A: 200 parts of bisphenol A epoxide resin, 90 parts of propylene glycol monomethyl ether, 3 parts of carboxylic acid sodium salt dispersing agent, mineral oil defoaming
2 parts of agent, 5 parts of graphene, 400 parts of zinc powder, 250 parts of mica powder；
B component: 300 parts of deionized water, 50 parts of anti-flash corrosion auxiliary agent, 400 parts of polyamide curing agent；
The mass ratio of the component A and B component is 1:5.
2. preparation method
According to the ratio, component A: investment bisphenol A epoxide resin → sequentially add propylene glycol monomethyl ether → carboxylic acid sodium salt dispersing agent →
Mineral oil antifoam agent → zinc powder → graphene → mica powder → in dissipate be uniformly mixed within 30 minutes → fineness of grind is to≤50 microns.
B component: investment polyamide curing agent → anti-flash corrosion auxiliary agent → deionized water, middling speed 400-600r/min stir 10 points
Clock is uniformly mixed.
The epoxy primer of embodiment 1-10 and common epoxy anticorrosion primer are subjected to paint film property test, test result is shown in Table
1。
Table 1
Note: adhesive force is detected referring to GB/T 9286-98, and impact resistance is detected referring to GB/T 1732-1993, VOC content
It is detected according to GB 18582-2008, smell is detected according to GB/T 1731-1993, and water resistance is examined according to GB/T 1733-1993
Survey, salt fog resistance according to GB/T 1771-2007 detect, surface drying time and do solid work the time according to GB/T 6753.2-1986 detect.
From the above data, it can be seen that the paint film in the present invention has excellent anti-corrosive properties and water resistance, ring of the invention
The adhesive force of oxygen anti-corrosion primer is strong, shock resistance is good, smell and VOC are low, and workability is good, excellent combination property.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (10)
1. a kind of aqueous double-component epoxy anticorrosion primer, it is characterised in that: including component A and B component,
According to parts by weight, component A includes: 200 parts of modified epoxy, and 90-120 parts of solvent, 3-10 parts of dispersing agent, defoaming agent
2-3 parts, 5-10 parts of graphene, 400-600 parts of zinc powder, 250-300 parts of filler, 3-8 parts of polyamide wax powder；
According to parts by weight, B component includes: 300-500 parts of deionized water, and anti-flash corrosion auxiliary agent 50-100 parts, curing agent 400-550
Part；
The mass ratio of the component A and B component is 1:0.2-0.5.
2. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the modified epoxy tree
The epoxide number of rouge is 0.3-0.45.
3. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the solvent is the third two
Alcohol methyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene it is one or more.
4. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the dispersing agent is carboxylic
Acid sodium-salt dispersing agent, acrylic acid dispersant, alkynol dispersing agent it is one or more.
5. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the defoaming agent is mine
The one or two of object oil defoaming agent, silicon class defoaming agent.
6. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the grain of the graphene
Diameter is 1-4nm.
7. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the curing agent is poly-
Amides curing agent.
8. a kind of aqueous double-component epoxy anticorrosion primer according to claim 1, it is characterised in that: the filler is non-gold
Belong to mineral filler.
9. a kind of aqueous double-component epoxy anticorrosion primer according to claim 8, it is characterised in that: the nonmetallic mineral
Filler is one or both of blanc fixe, mica powder.
10. a kind of preparation method of the described in any item aqueous double-component epoxy anticorrosion primers of claim 1-9, feature exist
In: the following steps are included:
According to the ratio, component A: investment modified epoxy sequentially adds solvent, dispersing agent, defoaming agent, zinc powder, graphene, fills out
Material, polyamide wax powder, middling speed disperse to be uniformly mixed for 30-35 minutes, and fineness of grind is to≤50 microns；
B component: investment curing agent, anti-flash corrosion auxiliary agent, deionized water are uniformly mixed aqueous to get arriving for moderate-speed mixer 10-15 minutes
Two-component epoxy anticorrosion primer.
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