CN116285585A - Thick slurry type water-based anticorrosive paint for coal mine machinery - Google Patents
Thick slurry type water-based anticorrosive paint for coal mine machinery Download PDFInfo
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- CN116285585A CN116285585A CN202310326581.7A CN202310326581A CN116285585A CN 116285585 A CN116285585 A CN 116285585A CN 202310326581 A CN202310326581 A CN 202310326581A CN 116285585 A CN116285585 A CN 116285585A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003973 paint Substances 0.000 title claims abstract description 64
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 239000002002 slurry Substances 0.000 title claims abstract description 22
- 239000004593 Epoxy Substances 0.000 claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004952 Polyamide Substances 0.000 claims abstract description 14
- 229920002647 polyamide Polymers 0.000 claims abstract description 14
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 25
- 239000013530 defoamer Substances 0.000 claims description 23
- -1 polysiloxane Polymers 0.000 claims description 21
- 239000000049 pigment Substances 0.000 claims description 20
- 239000002270 dispersing agent Substances 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- 238000004806 packaging method and process Methods 0.000 claims description 15
- 239000000080 wetting agent Substances 0.000 claims description 14
- 238000009736 wetting Methods 0.000 claims description 13
- 239000006184 cosolvent Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000440 bentonite Substances 0.000 claims description 11
- 229910000278 bentonite Inorganic materials 0.000 claims description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 11
- 229920000587 hyperbranched polymer Polymers 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 5
- 150000002009 diols Chemical class 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 229920000180 alkyd Polymers 0.000 claims description 3
- 125000003275 alpha amino acid group Chemical group 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 229940038879 chelated zinc Drugs 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 3
- 239000006254 rheological additive Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000010215 titanium dioxide Nutrition 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 10
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 230000004913 activation Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000007665 sagging Methods 0.000 abstract description 2
- 239000013556 antirust agent Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012770 industrial material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- LXOFYPKXCSULTL-UHFFFAOYSA-N 2,4,7,9-tetramethyldec-5-yne-4,7-diol Chemical compound CC(C)CC(C)(O)C#CC(C)(O)CC(C)C LXOFYPKXCSULTL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/577—Three layers or more the last layer being a clear coat some layers being coated "wet-on-wet", the others not
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/56—Amines together with other curing agents
- C08G59/60—Amines together with other curing agents with amides
-
- 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
-
- 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
- C09D5/002—Priming 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/02—Inorganic fillers used for pigmentation effect, e.g. metallic effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
- B05D2601/22—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a thick slurry type water-based anticorrosive paint for coal mine machinery, which comprises a water-based bi-component epoxy primer and a water-based acrylic finish paint; the high-solid-content aqueous secondary epoxy dispersion used for the aqueous two-component epoxy primer can provide excellent adhesive force, water resistance and salt spray resistance, and also can provide excellent dryness and workability; the selected curing agent is a polyamide curing agent for splicing, so that excellent adhesive force, water resistance and salt spray resistance can be provided, excellent dryness, construction sagging resistance and long-term activation period can be provided, the thickness of a once-sprayed film is increased, and excellent paint film protection performance is provided; the high-solid-content aqueous primary acrylic acid dispersoid selected for the aqueous single-component acrylic acid finish paint can provide good water resistance and salt spray resistance, also can provide excellent dryness, construction property and paint film leveling property, and improves the thickness of a once-sprayed film.
Description
Technical Field
The invention relates to the technical field of anticorrosive coatings, in particular to a thick slurry type water-based anticorrosive coating for coal mine machinery.
Background
The conventional engineering machinery water-based paint is subjected to sampling analysis and investigation, the conventional domestic coal mine machinery corrosion-resistant paint is mainly of a water-based single-component acrylic finish paint type matched with a water-based double-component epoxy primer, the primer adopts a water-based secondary epoxy dispersion as main resin and a water-based polyamide curing agent for crosslinking reaction, the finish paint adopts a water-based primary acrylic dispersion as main resin for self-crosslinking reaction, and the finish paint is taken off line after low-temperature baking. The water-based bi-component epoxy primer matched water-based single-component acrylic finish paint has the defects of low construction volume solid content (less than or equal to 40 percent) and thinner primary film forming film thickness (less than or equal to 40 mu m) and can not meet the requirements of HG/T4759-2014 water-based epoxy resin anticorrosive paint.
Aiming at the defects, the invention aims to develop the thick slurry type water-based anticorrosive paint for coal mine machinery, which has the advantages of improving the construction volume solid content, improving the thickness of one-time spraying film formation, improving the adhesive force, water resistance and salt spray resistance, reducing the coating loss and the VOC emission, saving the cost and reducing the pollution to the atmosphere.
Disclosure of Invention
The invention aims to solve the technical problem of providing a thick slurry type water-based anticorrosive paint for coal mine machinery, which can effectively improve the construction volume solid content, the thickness of one-time spraying film formation, the adhesive force and the water and salt mist resistance.
In order to solve the technical problems, the invention adopts the following technical scheme:
designing a thick slurry type water-based anticorrosive paint for coal mine machinery, wherein the thick slurry type water-based anticorrosive paint comprises a water-based bi-component epoxy primer and a water-based acrylic finish;
the aqueous bi-component epoxy primer comprises a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 40-50 parts of aqueous secondary epoxy dispersion, 5-10 parts of rutile type titanium dioxide, 0.2-0.5 part of high pigment carbon black, 8-15 parts of rust-proof pigment, 1-2 parts of inorganic corrosion inhibitor, 0.5-1 part of organic bentonite, 1.5-2.5 parts of nonionic polymer dispersant, 0.5-0.8 part of polysiloxane defoamer, 0.5-0.8 part of alkyne diol wetting defoamer, 4-8 parts of wet sericite, 0.2-0.5 part of base material wetting agent and 0.5-1.5 part of polyurethane rheological aid; the component B is prepared from the following raw materials in parts by weight: 40-60 parts of polyamide curing agent, 15-30 parts of fatty amine curing agent, 8-12 parts of organic chelating anti-flash rust agent and 1-2 parts of environment-friendly cosolvent;
the water-based acrylic finish paint is prepared from the following raw materials in parts by weight: 50-60 parts of aqueous primary acrylic acid dispersoid, 15-23 parts of pigment, 1-2 parts of hyperbranched polymer dispersing agent, 0.3-0.6 part of organic bentonite, 0.2-0.4 part of polysiloxane defoamer, 0.2-0.5 part of alkyne diol wetting defoamer, 5-9 parts of superfine precipitated barium sulfate, 0.2-0.5 part of substrate wetting agent, 2-3 parts of aqueous functional resin and 0.5-1.2 parts of medium-low shear polyurethane rheological aid.
Preferably, the inorganic corrosion inhibitor is modified porous silica.
Preferably, the nonionic polymer dispersant is a long-chain linear polyacrylate compound copolymerized by groups with different molecular structures and different molecular weights.
Preferably, the substrate wetting agents in the aqueous two-component epoxy primer and the aqueous acrylic finish are polyether modified siloxanes.
Preferably, the organic chelating anti-rust agent is amino acid chelated zinc; the environment-friendly cosolvent is ethanol.
Preferably, the pigment in the aqueous acrylic finish paint is rutile type titanium dioxide; the aqueous functional resin is aqueous acrylic acid modified alkyd resin; the hyperbranched polymer dispersant is a polymer polyacrylate containing a hydrophobic hyperbranched polymer.
Preferably, the production steps of the component A in the aqueous two-component epoxy primer comprise:
(1) Preparing materials: uniformly adding water, water-based secondary epoxy dispersion, rutile type titanium dioxide, high pigment carbon black, rust-proof pigment, inorganic corrosion inhibitor, organic bentonite, nonionic polymer dispersant, polysiloxane defoamer, acetylenic diol wetting defoamer and wet sericite into a container under a low-speed stirring state, and uniformly stirring;
(2) Grinding: grinding the mixed raw materials in the step (1) for more than 2 times by using a horizontal sand mill until the fineness is less than or equal to 30 mu m and the grinding temperature is not more than 45 ℃;
(3) Mixing paint: sequentially adding the residual raw material epoxy dispersoid, the base material wetting agent and the rheological additive into the slurry ground in the step (2) under a low-speed stirring state, uniformly stirring, and adjusting viscosity, fineness and color index to be qualified;
(4) And (3) checking and packaging: and (5) checking according to the standard, filtering with 120-mesh spun silk, and packaging after the index is qualified.
Preferably, the qualification index in the step (3) includes viscosity: 110-125KU at 23+ -2deg.C; fineness: less than or equal to 30 mu m; color: GSB05-1426-2001 color card, sea gray, delta E is less than or equal to 2.
Preferably, the production step of the component B in the aqueous two-component epoxy primer comprises the following steps: sequentially adding polyamide curing agent, fatty amine curing agent, organic chelating anti-flash rust agent and environment-friendly cosolvent into a container, dispersing at low speed under 100-300 rpm by using a high-speed dispersing machine until the polyamide curing agent, fatty amine curing agent, organic chelating anti-flash rust agent and environment-friendly cosolvent are in a qualified state with uniform color, uniform viscosity and fineness of less than or equal to 30 mu m, filtering by using 120-mesh spun silk, and packaging.
Preferably, the production steps of the aqueous acrylic finish paint comprise:
(1) preparing materials: uniformly adding water, pigment, hyperbranched polymer dispersant, organic bentonite, polysiloxane defoamer, alkyne diol wetting defoamer and ultrafine precipitated barium sulfate into a container under a low-speed stirring state, and uniformly stirring;
(2) grinding: grinding the mixed material obtained in the step (1) for more than 2 times by using a horizontal sand mill until the fineness is less than or equal to 30 mu m and the grinding temperature is not more than 45 ℃;
(3) mixing paint: sequentially adding the aqueous acrylic acid dispersoid, the substrate wetting agent, the aqueous functional resin and the medium-low shear polyurethane rheological auxiliary agent into the ground slurry at a low speed under the stirring state of 300-500 r/min, uniformly stirring, and adjusting the following indexes to be qualified and the viscosity: 110-125KU at 23+ -2deg.C; fineness: less than or equal to 30 mu m; color: GSB05-1426-2001 color card, sea gray, delta E is less than or equal to 2;
(4) and (3) checking and packaging: and (5) checking according to the standard, filtering with 120-mesh spun silk, and packaging after the index is qualified.
Preferably, when the thick slurry type water-based anticorrosive paint is used, the weight ratio of the component A to the component B of the primer is 8:1, the component B is added into the component A, the components are fully mixed and stirred, water accounting for 5-10% of the weight of the component A is added, the viscosity is adjusted to be 100-105KU under the state of 23+/-2 ℃, the coating is carried out through airless spraying, the primer is sprayed for 2-3 times, after the baking is carried out for 30-40min under the temperature condition of 50-60 ℃, the temperature is reduced for 10min at room temperature, the finishing paint is sprayed for 1-2 times, and the baking is carried out for 30-40min under the temperature condition of 50-60 ℃ until the finishing paint is in a solid state.
The invention has the beneficial effects that:
1. the high-solid-content aqueous secondary epoxy dispersion selected by the aqueous two-component epoxy primer is synthesized by an epoxy free radical solution polymerization method, and a product obtained after water dispersion is called as a secondary epoxy dispersion, so that excellent adhesive force, water resistance, salt spray resistance and dryness and workability can be provided; the selected curing agent is a polyamide curing agent for splicing, wherein the polyamide curing agent has excellent dryness, hardness and salt spray resistance, the polyamide curing agent has excellent toughness, low-temperature film forming property and salt spray resistance, and the two curing agents act simultaneously, so that excellent adhesive force, water resistance and salt spray resistance can be provided, excellent dryness, construction sagging resistance and long-term activation period can be provided, the thickness of a once sprayed film is increased, and excellent paint film protective performance is provided.
2. The invention provides wide compatibility by adopting the nonionic high molecular dispersing agent containing the pigment-philic group (high molecular polymer formed by connecting and polymerizing two or three chain segments with different structures) and the ethoxy modified alkyne diol wetting defoamer (nonionic surfactants such as dimethyl octaalkyne diol, tetramethyl decyne diol and the like) as wetting dispersing agents, thereby not only having good wettability and dispersibility, but also having excellent viscosity reduction effect and not affecting the water resistance and salt spray resistance of a paint film.
3. The high-solid-content aqueous primary acrylic acid dispersoid selected for the aqueous single-component acrylic acid finishing paint can provide good water resistance and salt spray resistance, also can provide excellent dryness, construction property and paint film leveling property, and improves the thickness of a once-sprayed film;
4. the invention optimizes the production process flow, so that the production process is more standardized and has more operability, and the stability among batches of the produced products is ensured.
5. The thick slurry type water-based anticorrosive paint for the coal mine machinery can reach the advanced level of industry in terms of anticorrosive performance, appearance and construction performance while meeting the coating requirement of the coal mine machinery, and considers the influence of materials on the environment in the development process, and the paint formula is designed into a water-based low-specific gravity high-volume solid-containing system, so that the coating loss and the VOC emission are reduced, the cost is saved, and the pollution to the atmosphere is reduced.
Description of the embodiments
The following examples are given to illustrate the invention in detail, but are not intended to limit the scope of the invention in any way. The equipment elements referred to in the following examples are conventional equipment elements unless otherwise specified; the industrial materials are commercially available conventional industrial materials unless otherwise specified.
Example 1: a thick slurry type water-based anticorrosive paint for coal mine machinery comprises a water-based double-component epoxy primer and a water-based acrylic finish paint;
the aqueous bi-component epoxy primer comprises a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 40-50 parts of aqueous secondary epoxy dispersion, 5-10 parts of rutile type titanium dioxide, 0.2-0.5 part of high pigment carbon black, 8-15 parts of rust-proof pigment, 1-2 parts of inorganic corrosion inhibitor, 0.5-1 part of organic bentonite, 1.5-2.5 parts of nonionic polymer dispersant, 0.5-0.8 part of polysiloxane defoamer, 0.5-0.8 part of alkyne diol wetting defoamer, 4-8 parts of wet sericite, 0.2-0.5 part of base material wetting agent and 0.5-1.5 part of polyurethane rheological aid; the component B is prepared from the following raw materials in parts by weight: 40-60 parts of polyamide curing agent, 15-30 parts of fatty amine curing agent, 8-12 parts of organic chelating anti-flash rust agent and 1-2 parts of environment-friendly cosolvent.
In the above embodiment, the aqueous secondary epoxy dispersion is a commercial raw material, specifically, zhejiang Anbang AB-EP-20 (PM 53%) is selected, and the nonionic polymer dispersant is a long-chain linear polyacrylate compound copolymerized by groups with different molecular structures and different molecular weights; the inorganic corrosion inhibitor is modified porous silicon dioxide; the organic chelating anti-rust agent is amino acid chelated zinc; the environment-friendly cosolvent is ethanol.
The substrate wetting agents in the aqueous two-component epoxy primer and the aqueous acrylic finish are polyether modified siloxane.
The aqueous primary acrylic acid dispersoid is a commercial raw material, and specifically, guangdong moistening AC-516 aqueous resin can be selected; the pigment in the water-based acrylic finish paint is rutile type titanium dioxide; the aqueous functional resin is aqueous acrylic acid modified alkyd resin; the hyperbranched polymer dispersant is a polymer polyacrylate containing a hydrophobic hyperbranched polymer.
Example 2: a preparation method of thick slurry type water-based anticorrosive paint for coal mine machinery, wherein the production steps of component A in the water-based double-component epoxy primer comprise:
(1) Preparing materials: uniformly adding water, water-based secondary epoxy dispersion, rutile type titanium dioxide, high pigment carbon black, rust-proof pigment, inorganic corrosion inhibitor, organic bentonite, nonionic polymer dispersant, polysiloxane defoamer, acetylenic diol wetting defoamer and wet sericite into a container under a low-speed stirring state, and uniformly stirring;
(2) Grinding: grinding the mixed raw materials in the step (1) for more than 2 times by using a horizontal sand mill until the fineness is less than or equal to 30 mu m and the grinding temperature is not more than 45 ℃;
(3) Mixing paint: sequentially adding the residual raw material epoxy dispersoid, the base material wetting agent and the rheological additive into the slurry ground in the step (2) under a low-speed stirring state, uniformly stirring, and adjusting viscosity, fineness and color index to be qualified; the qualification index includes viscosity: 110-125KU at 23+ -2deg.C; fineness: less than or equal to 30 mu m; color: GSB05-1426-2001 color card, sea gray, delta E is less than or equal to 2.
(4) And (3) checking and packaging: and (5) checking according to the standard, filtering with 120-mesh spun silk, and packaging after the index is qualified.
The production steps of the component B in the aqueous two-component epoxy primer comprise: sequentially adding polyamide curing agent, fatty amine curing agent, organic chelating anti-flash rust agent and environment-friendly cosolvent into a container, dispersing at low speed under 100-300 rpm by using a high-speed dispersing machine until the polyamide curing agent, fatty amine curing agent, organic chelating anti-flash rust agent and environment-friendly cosolvent are in a qualified state with uniform color, uniform viscosity and fineness of less than or equal to 30 mu m, filtering by using 120-mesh spun silk, and packaging.
The production steps of the water-based acrylic finish paint comprise:
(1) preparing materials: uniformly adding water, pigment, hyperbranched polymer dispersant, organic bentonite, polysiloxane defoamer, alkyne diol wetting defoamer and ultrafine precipitated barium sulfate into a container under a low-speed stirring state, and uniformly stirring;
(2) grinding: grinding the mixed material obtained in the step (1) for more than 2 times by using a horizontal sand mill until the fineness is less than or equal to 30 mu m and the grinding temperature is not more than 45 ℃;
(3) mixing paint: sequentially adding the aqueous acrylic acid dispersoid, the substrate wetting agent, the aqueous functional resin and the medium-low shear polyurethane rheological auxiliary agent into the ground slurry at a low speed under the stirring state of 300-500 r/min, uniformly stirring, and adjusting the following indexes to be qualified and the viscosity: 110-125KU at 23+ -2deg.C; fineness: less than or equal to 30 mu m; color: GSB05-1426-2001 color card, sea gray, delta E is less than or equal to 2;
(4) and (3) checking and packaging: and (5) checking according to the standard, filtering with 120-mesh spun silk, and packaging after the index is qualified.
Example 3: a use method of thick slurry type water-based anticorrosive paint for coal mine machinery comprises the steps of adding a component A and a component B of primer into a component A according to a weight ratio of 8:1, fully mixing and uniformly stirring, adding water accounting for 5-10% of the weight of the component A, adjusting the viscosity to be 100-105KU at 23+/-2 ℃, coating by airless spraying, spraying the primer for 2-3 times, baking at 50-60 ℃ for 30-40min, cooling at room temperature for 10min, spraying finishing paint, spraying the finishing paint for 1-2 times, and baking at 50-60 ℃ for 30-40min until the finishing paint is in a solid state.
The thick slurry type water-based anticorrosive paint for the coal mine machinery has good performance: the construction volume solid content of the water-based double-component epoxy primer is more than 50%; the construction volume solid content of the water-based single-component acrylic finish paint is more than 45%; the water resistance of the matched composite coating is more than 1000 hours, the salt spray resistance is more than 800 hours, and the artificial accelerated aging resistance is less than or equal to grade 2 after 600 hours.
While the invention has been described with reference to the embodiments, those skilled in the art will understand that various specific parameters in the above embodiments may be changed without departing from the spirit of the invention, and thus a plurality of specific embodiments are common variation ranges of the invention, and will not be described in detail herein.
Claims (10)
1. The thick slurry type water-based anticorrosive paint for the coal mine machinery is characterized by comprising a water-based bi-component epoxy primer and a water-based acrylic finish;
the aqueous bi-component epoxy primer comprises a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 40-50 parts of aqueous secondary epoxy dispersion, 5-10 parts of rutile type titanium dioxide, 0.2-0.5 part of high pigment carbon black, 8-15 parts of rust-proof pigment, 1-2 parts of inorganic corrosion inhibitor, 0.5-1 part of organic bentonite, 1.5-2.5 parts of nonionic polymer dispersant, 0.5-0.8 part of polysiloxane defoamer, 0.5-0.8 part of alkyne diol wetting defoamer, 4-8 parts of wet sericite, 0.2-0.5 part of base material wetting agent and 0.5-1.5 part of polyurethane rheological aid; the component B is prepared from the following raw materials in parts by weight: 40-60 parts of polyamide curing agent, 15-30 parts of fatty amine curing agent, 8-12 parts of organic chelating anti-flash rust agent and 1-2 parts of environment-friendly cosolvent;
the water-based acrylic finish paint is prepared from the following raw materials in parts by weight: 50-60 parts of aqueous primary acrylic acid dispersoid, 15-23 parts of pigment, 1-2 parts of hyperbranched polymer dispersing agent, 0.3-0.6 part of organic bentonite, 0.2-0.4 part of polysiloxane defoamer, 0.2-0.5 part of alkyne diol wetting defoamer, 5-9 parts of superfine precipitated barium sulfate, 0.2-0.5 part of substrate wetting agent, 2-3 parts of aqueous functional resin and 0.5-1.2 parts of medium-low shear polyurethane rheological aid.
2. The thick paste type water-based anticorrosive paint for coal mine machinery as claimed in claim 1, wherein the inorganic corrosion inhibitor is modified porous silica.
3. The thick paste aqueous anticorrosive coating for coal mine machinery of claim 1 wherein the substrate wetting agents in the aqueous two component epoxy primer and aqueous acrylic topcoat are both polyether modified silicones.
4. The thick slurry type water-based anticorrosive paint for coal mine machinery according to claim 1, wherein the organic chelating type anti-flash rust agent is amino acid chelated zinc; the environment-friendly cosolvent is ethanol.
5. The thick paste type aqueous anticorrosive paint for coal mine machinery according to claim 1, wherein the pigment in the aqueous acrylic finish paint is rutile type titanium white; the aqueous functional resin is aqueous acrylic acid modified alkyd resin; the hyperbranched polymer dispersant is a polymer polyacrylate containing a hydrophobic hyperbranched polymer.
6. The thick paste type water-based anticorrosive paint for coal mine machinery as claimed in claim 1, wherein the production step of the a component in the water-based two component epoxy primer comprises:
(1) Preparing materials: uniformly adding water, water-based secondary epoxy dispersion, rutile type titanium dioxide, high pigment carbon black, rust-proof pigment, inorganic corrosion inhibitor, organic bentonite, nonionic polymer dispersant, polysiloxane defoamer, acetylenic diol wetting defoamer and wet sericite into a container under a low-speed stirring state, and uniformly stirring;
(2) Grinding: grinding the mixed raw materials in the step (1) for more than 2 times by using a horizontal sand mill until the fineness is less than or equal to 30 mu m and the grinding temperature is not more than 45 ℃;
(3) Mixing paint: sequentially adding the residual raw material epoxy dispersoid, the base material wetting agent and the rheological additive into the slurry ground in the step (2) under a low-speed stirring state, uniformly stirring, and adjusting viscosity, fineness and color index to be qualified;
(4) And (3) checking and packaging: and (5) checking according to the standard, filtering with 120-mesh spun silk, and packaging after the index is qualified.
7. The thick paste type water-based anticorrosive paint for coal mine machinery as claimed in claim 1, wherein the qualification index in the step (3) comprises viscosity: 110-125KU at 23+ -2deg.C; fineness: less than or equal to 30 mu m; color: GSB05-1426-2001 color card, sea gray, delta E is less than or equal to 2.
8. The thick paste type water-based anticorrosive paint for coal mine machinery as claimed in claim 1, wherein the production step of the B component in the water-based two component epoxy primer comprises: sequentially adding polyamide curing agent, fatty amine curing agent, organic chelating anti-flash rust agent and environment-friendly cosolvent into a container, dispersing at low speed under 100-300 rpm by using a high-speed dispersing machine until the polyamide curing agent, fatty amine curing agent, organic chelating anti-flash rust agent and environment-friendly cosolvent are in a qualified state with uniform color, uniform viscosity and fineness of less than or equal to 30 mu m, filtering by using 120-mesh spun silk, and packaging.
9. The thick paste type aqueous anticorrosive paint for coal mine machinery as claimed in claim 1, wherein the production step of the aqueous acrylic finish paint comprises the steps of:
(1) preparing materials: uniformly adding water, pigment, hyperbranched polymer dispersant, organic bentonite, polysiloxane defoamer, alkyne diol wetting defoamer and ultrafine precipitated barium sulfate into a container under a low-speed stirring state, and uniformly stirring;
(2) grinding: grinding the mixed material obtained in the step (1) for more than 2 times by using a horizontal sand mill until the fineness is less than or equal to 30 mu m and the grinding temperature is not more than 45 ℃;
(3) mixing paint: sequentially adding the aqueous acrylic acid dispersoid, the substrate wetting agent, the aqueous functional resin and the medium-low shear polyurethane rheological auxiliary agent into the ground slurry at a low speed under the stirring state of 300-500 r/min, uniformly stirring, and adjusting the following indexes to be qualified and the viscosity: 110-125KU at 23+ -2deg.C; fineness: less than or equal to 30 mu m; color: GSB05-1426-2001 color card, sea gray, delta E is less than or equal to 2;
(4) and (3) checking and packaging: and (5) checking according to the standard, filtering with 120-mesh spun silk, and packaging after the index is qualified.
10. The thick paste type water-based anticorrosive paint for coal mine machinery according to claim 1, wherein when the thick paste type water-based anticorrosive paint is used, the proportion of the component A and the component B of the primer is 8:1 by weight, the component B is added into the component A, the components A are fully mixed and stirred uniformly, water accounting for 5-10% of the weight of the component A is added, the viscosity is regulated to 100-105KU at 23+/-2 ℃, the coating is carried out through airless spraying, the primer is sprayed for 2-3 times, the temperature is reduced by 50-60 ℃ for 30-40min, the finishing paint is sprayed after the temperature is reduced by 10min at room temperature, the finishing paint is sprayed for 1-2 times, and the finishing paint is baked for 30-40min at 50-60 ℃ until the finishing paint is in a solid state.
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| CN111117426A (en) * | 2018-12-31 | 2020-05-08 | 江苏足迹涂料有限公司 | High-corrosion-resistance flash-rust-resistant waterborne epoxy primer and preparation method thereof |
| CN111205712A (en) * | 2020-02-21 | 2020-05-29 | 山东七维新材料有限公司 | Water-based quick-drying high-salt-spray-resistance acrylic coating for corrosion prevention of steel structure and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111117426A (en) * | 2018-12-31 | 2020-05-08 | 江苏足迹涂料有限公司 | High-corrosion-resistance flash-rust-resistant waterborne epoxy primer and preparation method thereof |
| CN111205712A (en) * | 2020-02-21 | 2020-05-29 | 山东七维新材料有限公司 | Water-based quick-drying high-salt-spray-resistance acrylic coating for corrosion prevention of steel structure and preparation method thereof |
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Inventor after: Liang Yanchang Inventor after: Zhao Chunguang Inventor after: Sun Yingchao Inventor after: Yang Xingjia Inventor after: Cao Lei Inventor after: Li Yang Inventor after: Li Wenbo Inventor after: Lei Zhenbiao Inventor after: Xu Xianglin Inventor after: Li Xiaojuan Inventor after: Xu Wenbin Inventor after: Wang Xiang Inventor after: Ling Xiaofei Inventor after: Liu Xiaojie Inventor after: Xia Chaonan Inventor after: Chen Fengtao Inventor before: Liang Yanchang Inventor before: Wang Xiang Inventor before: Ling Xiaofei Inventor before: Liu Xiaojie Inventor before: Xia Chaonan |