CN113337168A - Acrylic resin can water-based paint and preparation method thereof - Google Patents
Acrylic resin can water-based paint and preparation method thereof Download PDFInfo
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- CN113337168A CN113337168A CN202110553675.9A CN202110553675A CN113337168A CN 113337168 A CN113337168 A CN 113337168A CN 202110553675 A CN202110553675 A CN 202110553675A CN 113337168 A CN113337168 A CN 113337168A
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- 239000004925 Acrylic resin Substances 0.000 title claims abstract description 100
- 229920000178 Acrylic resin Polymers 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003973 paint Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 17
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- 239000003822 epoxy resin Substances 0.000 claims abstract description 16
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 16
- 239000003999 initiator Substances 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000003086 colorant Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000002480 mineral oil Substances 0.000 claims abstract description 11
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 11
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 36
- 239000011259 mixed solution Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000009210 therapy by ultrasound Methods 0.000 claims description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004040 coloring Methods 0.000 claims description 4
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000004334 sorbic acid Substances 0.000 claims description 4
- 229940075582 sorbic acid Drugs 0.000 claims description 4
- 235000010199 sorbic acid Nutrition 0.000 claims description 4
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 2
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical compound CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000004110 Zinc silicate Substances 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- ZMPZURBYCNDNBN-UHFFFAOYSA-K aluminum;calcium;phosphate Chemical compound [Al+3].[Ca+2].[O-]P([O-])([O-])=O ZMPZURBYCNDNBN-UHFFFAOYSA-K 0.000 claims description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 229910021485 fumed silica Inorganic materials 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- QXLPXWSKPNOQLE-UHFFFAOYSA-N methylpentynol Chemical compound CCC(C)(O)C#C QXLPXWSKPNOQLE-UHFFFAOYSA-N 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- -1 polysiloxane Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 235000019352 zinc silicate Nutrition 0.000 claims description 2
- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 18
- 230000007797 corrosion Effects 0.000 abstract description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2003/328—Phosphates of heavy metals
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 an acrylic resin can water-based paint and a preparation method thereof, relates to the technical field of acrylic resin paints, and provides the following scheme aiming at the problems that the integrity of a paint film of the acrylic resin water-based paint is easy to damage and does not have antistatic property and the like, wherein the acrylic resin can water-based paint comprises the following raw materials in parts by weight: acrylic resin emulsion, water-based epoxy resin, anticorrosive pigment, graphene, filler, colorant, initiator, dispersant, defoaming agent, anti-settling agent, pH regulator and mineral oil. The acrylic resin water-based paint prepared by the invention has better storage stability, the corrosion resistance of the acrylic resin water-based paint is improved, the protection capability of the acrylic resin water-based paint on a steel plate is greatly improved, and the acrylic resin water-based paint has the conductivity of graphene, has good oxidation and aging resistance, and has the advantages of high efficiency, energy conservation, environmental protection and no pollution.
Description
Technical Field
The invention relates to the technical field of acrylic resin coatings, in particular to an acrylic resin can water-based coating and a preparation method thereof.
Background
Acrylic resin is a generic name of polymers of acrylic acid, methacrylic acid and derivatives thereof, acrylic resin coating is thermoplastic or thermosetting resin coating or acrylic radiation coating prepared by acrylic resin obtained by copolymerizing (methyl) acrylate and styrene as main materials with other acrylate, the development of the acrylic resin industry in China has been rapid for many years, the product yield has been continuously expanded, the research of acrylic monomers and resins is started in 1805 at the earliest, but the industrial production is not carried out by Rohm & Haas company until 1927 due to condition limitation, while the real application on coating is that after 1953, the development of acrylic resin coating is today and the acrylic resin coating is a synthetic resin coating with the most types, the most comprehensive performance and the strongest universality.
In daily life, however, static electricity is easily accumulated in a plurality of materials in the using process, which causes serious accidents such as dust collection and electric shock, for example, the static electricity can cause production obstacles, explosion, fire and the like, the preparation of antistatic paint becomes a research hotspot, and the integrity of a paint film is easily damaged in the using process of the acrylic resin paint, so that the antirust and anticorrosive functions and the adhesive force of the paint film are greatly reduced.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides the acrylic resin can water-based paint and the preparation method thereof.
(II) technical scheme
The invention provides an acrylic resin can water-based paint which comprises the following raw materials in parts by weight: 20-25 parts of acrylic resin emulsion, 15-20 parts of waterborne epoxy resin, 12-15 parts of anticorrosive pigment, 15-20 parts of graphene, 8-11 parts of filler, 3-5 parts of colorant, 4-6 parts of initiator, 3-5 parts of dispersant, 5-7 parts of defoaming agent, 4-6 parts of anti-settling agent, 1-3 parts of pH regulator and 2-4 parts of mineral oil.
Preferably, the anti-corrosion pigment is one or two of calcium aluminum phosphate, zinc silicate and zinc oxide.
Preferably, the colorant is one or a combination of two of ground calcium carbonate, wollastonite, barite powder, talcum powder, mica powder and kaolin.
Preferably, the initiator is one or two combinations of azodiisobutyronitrile, benzoyl peroxide and tert-butyl peroxybenzoate, and the dispersant is one or two combinations of triethylhexyl phosphoric acid, sodium dodecyl sulfate and methylpentanol.
Preferably, the defoaming agent is any one of polysiloxane, polyether modified silicone oil and dialkyl phosphate.
Preferably, the anti-settling agent is one or two of fumed silica, polyamide wax and modified hydrogenated castor oil.
Preferably, the pH regulator is one or two of citric acid sorbic acid, sodium bicarbonate and disodium hydrogen phosphate.
The preparation method of the acrylic resin can water-based paint comprises the following steps:
s1: sequentially adding 20-25 parts by weight of acrylic resin emulsion and 15-20 parts by weight of waterborne epoxy resin into a flask, and heating to 70-80 ℃ to obtain a mixed solution;
s2: pouring 4-6 parts of the mixed solution and an initiator into a stirrer, then adding 1-3 parts of a pH regulator, stirring for 40-70min at the stirring speed of 500-700r/min, and then performing ultrasonic treatment for 10-15min to obtain modified aqueous acrylic resin liquid;
s3: adding 12-15 parts of anticorrosive pigment, 1-3 parts of dispersant and 2-3 parts of anti-settling agent into an ultrasonic stirrer, stirring for 15-30min at the stirring speed of 200-500r/min, and then performing ultrasonic treatment for 15-20min to obtain a mixed solution A;
s4, adding 3-5 parts of defoaming agent, 2-3 parts of dispersing agent and 15-20 parts of graphene into a stirrer, stirring for 20-25min, then carrying out centrifugal mixing in an ultrasonic machine for 30-40min, then adding 8-11 parts of filler, and continuing to carry out ultrasonic treatment for 10-15min to obtain a mixed solution B;
s5, adding the mixed solution B and water into a reaction kettle, and then adding 1-3 parts of a colorant for pre-coloring for 20-30min to obtain a mixed solution C;
s6, pouring the modified water-based acrylic resin liquid, the mixed solution A and the mixed solution C into a stirrer to be stirred for 10-15min at the stirring speed of 100-200r/min to obtain an acrylic resin water-based paint initial body;
s7, pouring the acrylic resin water-based paint primary body into a crucible, heating to 90-110 ℃ for 2-3h to obtain acrylic resin water-based paint solid;
s8, grinding the acrylic resin water-based paint solid in a grinder for 30-45min to obtain acrylic resin water-based paint powder;
s9, pouring acrylic resin water-based paint powder, 2-4 parts of mineral oil and water into a stirrer, and stirring for 20-25min to be viscous, wherein the stirring speed is 100-200r/min, so as to obtain the acrylic resin water-based paint.
Preferably, the specific preparation method of the modified aqueous acrylic resin liquid comprises the following steps:
s1: preparing a flask, a thermometer, a heater, a stirrer and an ultrasonic machine, and preparing 20-25 parts of acrylic resin emulsion, 15-20 parts of water-based epoxy resin and 4-6 parts of an initiator according to parts by weight;
s2: sequentially adding 20-25 parts of acrylic resin emulsion and 15-20 parts of waterborne epoxy resin into a flask, heating for 15-20min by a heater, and heating to 70-80 ℃;
s3: after heating, pouring 4-6 parts of the mixed solution and the initiator into an ultrasonic stirrer, and stirring for 40-70min at the stirring speed of 100-200 r/min;
s4: then pouring 1-3 parts of a pH regulator into an ultrasonic stirrer, and regulating the pH to 7-7.5 by citric acid and sorbic acid to obtain a mixed liquid Z;
s5: and then continuing to perform ultrasonic treatment for 15-20min to obtain the modified aqueous acrylic resin liquid.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
1. the modified water-based acrylic resin liquid is obtained through a series of operations of the acrylic resin emulsion, the water-based epoxy resin and the initiator, the modified water-based acrylic resin liquid has good compatibility and no pollution, the solvent resistance, the high and low temperature resistance and the oxidation and aging resistance of the acrylic resin are greatly improved, and the modified water-based acrylic resin liquid has good hydrolysis resistance and excellent water dispersibility, so that the water-based paint prepared from the modified water-based acrylic resin liquid has good storage stability.
2. According to the invention, the corrosion-resistant water-based acrylic resin liquid is obtained through a series of operations by modifying the water-based acrylic resin liquid, the anticorrosive pigment, the dispersant and the anti-settling agent, and the paint film is relatively compact after drying, so that the corrosion resistance of the water-based acrylic resin coating is improved, and the protection capability of the water-based coating on a steel plate is improved.
3. According to the invention, the coating is prepared by mixing the modified aqueous acrylic resin liquid and the graphene, agglomeration is not generated any more, the two are combined more sufficiently, the graphene is distributed more uniformly, the stability is higher, the conductivity is better, and the excellent characteristics of the high polymer are maintained: wear resistance, durability, solvent resistance and the like, has the conductivity of graphene, has good antioxidant aging performance, and has the advantages of high efficiency, energy conservation, environmental protection and no pollution
4. According to the invention, the acrylic resin water-based paint is obtained through a series of operations by modifying the water-based acrylic resin liquid, the anticorrosive pigment and the graphene, has better storage stability, improves the anticorrosive performance of the water-based acrylic resin paint, improves the protective capability of the water-based paint on a steel plate, has the conductive performance of the graphene, has good antioxidant aging performance, and has the advantages of high efficiency, energy conservation, environmental protection and no pollution.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example (b): acrylic resin can water-based paint and preparation method thereof
The feed comprises the following raw materials in parts by weight: 20 parts of acrylic resin emulsion, 15 parts of waterborne epoxy resin, 15 parts of anticorrosive pigment, 18 parts of graphene, 10 parts of filler, 3 parts of colorant, 4 parts of initiator, 3 parts of dispersant, 5 parts of defoamer, 4 parts of anti-settling agent, 1 part of pH regulator and 2 parts of mineral oil.
The preparation method comprises the following steps: weighing 20 parts of acrylic resin emulsion, 15 parts of waterborne epoxy resin, 15 parts of anticorrosive pigment, 18 parts of graphene, 10 parts of filler, 3 parts of colorant, 4 parts of initiator, 3 parts of dispersant, 5 parts of defoamer, 4 parts of anti-settling agent, 1 part of pH regulator and 2 parts of mineral oil according to the proportion;
1) sequentially adding 20 parts of acrylic resin emulsion and 15 parts of waterborne epoxy resin into a flask, and heating to 70-80 ℃ to obtain a mixed solution;
2) pouring 4 parts of the mixed solution and 4 parts of an initiator into a stirrer, then adding 1 part of a pH regulator, stirring for 40-70min at the stirring speed of 500-700r/min, and then performing ultrasonic treatment for 10-15min to obtain modified aqueous acrylic resin liquid;
3) adding 15 parts of anticorrosive pigment, 1 part of dispersant and 2 parts of anti-settling agent into an ultrasonic stirrer, stirring for 15-30min at the stirring speed of 200-500r/min, and then performing ultrasonic treatment for 15-20min to obtain a mixed solution A;
4) adding 3 parts of defoaming agent, 2 parts of dispersing agent and 18 parts of graphene into a stirrer, stirring for 20-25min, then carrying out centrifugal mixing for 30-40min in an ultrasonic machine, then adding 10 parts of filler, and continuing ultrasonic treatment for 10-15min to obtain a mixed solution B;
5) adding the mixed solution B and water into a reaction kettle, and then adding 3 parts of a colorant for pre-coloring for 20-30min to obtain a mixed solution C;
6) pouring the modified water-based acrylic resin liquid, the mixed solution A and the mixed solution into a stirrer, and stirring for 10-15min at the stirring speed of 100-;
7) pouring the acrylic resin water-based paint primary body into a crucible, heating to 90-110 ℃ for 2-3h to obtain acrylic resin water-based paint crystal;
8) grinding the acrylic resin water-based paint crystal in a grinder for 30-45min to obtain acrylic resin water-based paint powder;
9) pouring acrylic resin water-based paint powder, 2 parts of mineral oil and water into a stirrer, and stirring for 20-25min to be viscous, wherein the stirring speed is 100-200r/min, so as to obtain an acrylic resin water-based paint test piece 1.
Comparative example: acrylic resin tank-making water-based paint and preparation method thereof
The mixture ratio is the same as that of the examples, except that the acrylic resin is not modified and the amount and operation steps are changed.
The feed comprises the following raw materials in parts by weight: 25 parts of acrylic resin emulsion, 19 parts of waterborne epoxy resin, 12 parts of anticorrosive pigment, 15 parts of graphene, 8 parts of filler, 4 parts of colorant, 4 parts of dispersant, 6 parts of defoaming agent, 4 parts of anti-settling agent, 1 part of PH regulator and 2 parts of mineral oil.
The preparation method comprises the following steps: weighing 25 parts of acrylic resin emulsion, 19 parts of waterborne epoxy resin, 12 parts of anticorrosive pigment, 15 parts of graphene, 8 parts of filler, 4 parts of colorant, 4 parts of dispersant, 6 parts of defoamer, 4 parts of anti-settling agent, 1 part of PH regulator and 2 parts of mineral oil according to the proportion.
1) Adding 25 parts of acrylic resin emulsion and 19 parts of waterborne epoxy resin into a flask in sequence, and heating to 70-80 ℃ to obtain a mixed solution X;
2) adding 12 parts of anticorrosive pigment, 2 parts of dispersant and 2 parts of anti-settling agent into an ultrasonic stirrer, stirring for 15-30min at the stirring speed of 200-500r/min, and then performing ultrasonic treatment for 15-20min to obtain a mixed solution A;
3) adding 6 parts of defoaming agent, 2 parts of dispersing agent and 15 parts of graphene into a stirrer, stirring for 20-25min, then carrying out centrifugal mixing for 30-40min in an ultrasonic machine, then adding 8 parts of filler, and continuing ultrasonic treatment for 10-15min to obtain a mixed solution B;
4) adding the mixed solution B and water into a reaction kettle, and then adding 4 parts of a colorant for pre-coloring for 20-30min to obtain a mixed solution C;
5) stirring the mixed solution X, the mixed solution A and the mixed solution C in a stirrer at a stirring speed of 100-;
6) pouring the acrylic resin water-based paint primary body into a crucible, heating to 90-110 ℃ for 2-3h to obtain acrylic resin water-based paint crystal;
7) grinding the acrylic resin water-based paint crystal in a grinder for 30-45min to obtain acrylic resin water-based paint powder;
8) and pouring the acrylic resin water-based paint powder, 2 parts of mineral oil and water into a stirrer, mixing and stirring for 20-25min to be viscous, wherein the stirring speed is 100-200r/min, and obtaining the acrylic resin water-based paint test piece 2.
The corrosion resistance and the antistatic property of the test pieces 1 and 2 obtained in the above examples and comparative examples were examined by the following methods: the test pieces 1 and 2 obtained in the examples and comparative examples were respectively uniformly coated on two steel sheets having the same size and thickness, left to dry for 24 hours at a constant temperature of 25 ℃, and the corrosion resistance and the antistatic property were measured for 1 day, 10 days, 20 days, 30 days, and 40 days of the steel sheets in the case of aging by manual intervention (see tables one and two).
Watch 1
| Test piece 1 | 1 day | 10 days | 20 days | 30 days | 40 days |
| Resistance value | 21.3Ω.m | 21.6Ω.m | 21.8Ω.m | 22.1Ω.m | 22.5Ω.m |
| Flexibility | 11.3° | 12.1° | 12.3° | 12.5° | 13.1° |
| Acid resistance | 2.3% corrosion rate | 2.7% corrosion rate | 3.3% corrosion rate | 3.7% corrosion rate | 4.5% corrosion rate |
| Load bearing property | 65.7kg | 65.4kg | 65.1kg | 64.7kg | 64.3kg |
Watch two
| Test piece 1 | 1 day | 10 days | 20 days | 30 days | 40 days |
| Resistance value | 21.3Ω.m | 22.8Ω.m | 25.4Ω.m | 26.1Ω.m | 26.9Ω.m |
| Flexibility | 10.3° | 10.5° | 11.3° | 11.5° | 12.1° |
| Acid resistance | Corrosion rate of 11.5% | 18.4% corrosion rate | Corrosion rate of 23.2% | Corrosion rate of 27.8% | 32.4% corrosion rate |
| Load bearing property | 55.6kg | 55.2kg | 54.7kg | 52.3kg | 50.9kg |
In the embodiment, the aqueous acrylic resin is modified, the experimental test piece 1 in the embodiment has excellent performances such as low resistivity, good toughness and corrosion resistance, while the test piece 2 of the common unmodified aqueous acrylic resin is better than the test piece 1 in flexibility, but other performances of the test piece 2 are far inferior to the detection result of the test piece 1, after the preparation method disclosed by the invention is operated, the corrosion resistance and the antistatic property of the acrylic aqueous coating are improved, and the protective capability of the aqueous coating on a steel plate is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.
Claims (9)
1. The acrylic resin can water-based paint is characterized by comprising the following raw materials in parts by weight: 20-25 parts of acrylic resin emulsion, 15-20 parts of waterborne epoxy resin, 12-15 parts of anticorrosive pigment, 15-20 parts of graphene, 8-11 parts of filler, 3-5 parts of colorant, 4-6 parts of initiator, 3-5 parts of dispersant, 5-7 parts of defoaming agent, 4-6 parts of anti-settling agent, 1-3 parts of pH regulator and 2-4 parts of mineral oil.
2. The acrylic resin can water-based paint according to claim 1, wherein the anti-corrosive pigment is one or a combination of two of calcium aluminum phosphate, zinc silicate and zinc oxide.
3. The acrylic resin can water-based paint as claimed in claim 1, wherein the colorant is one or a combination of two of ground calcium carbonate, wollastonite, barite powder, talcum powder, mica powder and kaolin.
4. The acrylic resin can-making water-based paint as claimed in claim 1, wherein the initiator is one or two of azodiisobutyronitrile, benzoyl peroxide and tert-butyl peroxybenzoate, and the dispersant is one or two of triethylhexylphosphoric acid, sodium dodecyl sulfate and methylpentanol.
5. The acrylic resin can water-based paint according to claim 1, wherein the defoaming agent is any one of polysiloxane, polyether modified silicone oil, and dialkyl phosphate.
6. The acrylic resin can-making water-based paint as claimed in claim 1, wherein the anti-settling agent is one or a combination of fumed silica, polyamide wax and modified hydrogenated castor oil.
7. The acrylic resin can water-based paint as claimed in claim 1, wherein the pH regulator is one or a combination of citric acid, sorbic acid, sodium bicarbonate and disodium hydrogen phosphate.
8. A method for preparing any one of the acrylic resin can-making water-based paints according to claims 1-7, comprising the steps of:
s1: sequentially adding 20-25 parts by weight of acrylic resin emulsion and 15-20 parts by weight of waterborne epoxy resin into a flask, and heating to 70-80 ℃ to obtain a mixed solution;
s2: pouring 4-6 parts of the mixed solution and an initiator into a stirrer, then adding 1-3 parts of a pH regulator, stirring for 40-70min at the stirring speed of 500-700r/min, and then performing ultrasonic treatment for 10-15min to obtain modified aqueous acrylic resin liquid;
s3: adding 12-15 parts of anticorrosive pigment, 1-3 parts of dispersant and 2-3 parts of anti-settling agent into an ultrasonic stirrer, stirring for 15-30min at the stirring speed of 200-500r/min, and then performing ultrasonic treatment for 15-20min to obtain a mixed solution A;
s4, adding 3-5 parts of defoaming agent, 2-3 parts of dispersing agent and 15-20 parts of graphene into a stirrer, stirring for 20-25min, then carrying out centrifugal mixing in an ultrasonic machine for 30-40min, then adding 8-11 parts of filler, and continuing to carry out ultrasonic treatment for 10-15min to obtain a mixed solution B;
s5, adding the mixed solution B and water into a reaction kettle, and then adding 1-3 parts of a colorant for pre-coloring for 20-30min to obtain a mixed solution C;
s6, pouring the modified water-based acrylic resin liquid, the mixed solution A and the mixed solution C into a stirrer to be stirred for 10-15min at the stirring speed of 100-200r/min to obtain an acrylic resin water-based paint initial body;
s7, pouring the acrylic resin water-based paint primary body into a crucible, heating to 90-110 ℃ for 2-3h to obtain acrylic resin water-based paint solid;
s8, grinding the acrylic resin water-based paint solid in a grinder for 30-45min to obtain acrylic resin water-based paint powder;
s9, pouring acrylic resin water-based paint powder, 2-4 parts of mineral oil and water into a stirrer, and stirring for 20-25min to be viscous, wherein the stirring speed is 100-200r/min, so as to obtain the acrylic resin water-based paint.
9. The method for preparing the acrylic resin can water-based paint according to claim 8, wherein the method for preparing the modified water-based acrylic resin liquid comprises the following steps:
s1: preparing a flask, a thermometer, a heater, a stirrer and an ultrasonic machine, and preparing 20-25 parts of acrylic resin emulsion, 15-20 parts of water-based epoxy resin and 4-6 parts of an initiator according to parts by weight;
s2: sequentially adding 20-25 parts of acrylic resin emulsion and 15-20 parts of waterborne epoxy resin into a flask, heating for 15-20min by a heater, and heating to 70-80 ℃;
s3: after heating, pouring 4-6 parts of the mixed solution and the initiator into an ultrasonic stirrer, and stirring for 40-70min at the stirring speed of 100-200 r/min;
s4: then pouring 1-3 parts of a pH regulator into an ultrasonic stirrer, and regulating the pH to 7-7.5 by citric acid and sorbic acid to obtain a mixed liquid Z;
s5: and then continuing to perform ultrasonic treatment for 15-20min to obtain the modified aqueous acrylic resin liquid.
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