CN115322652A - Weather-resistant iron art product and preparation method thereof - Google Patents
Weather-resistant iron art product and preparation method thereof Download PDFInfo
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- CN115322652A CN115322652A CN202211130209.0A CN202211130209A CN115322652A CN 115322652 A CN115322652 A CN 115322652A CN 202211130209 A CN202211130209 A CN 202211130209A CN 115322652 A CN115322652 A CN 115322652A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title abstract description 20
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000010410 layer Substances 0.000 claims abstract description 75
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 63
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000014759 maintenance of location Effects 0.000 claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 239000000839 emulsion Substances 0.000 claims abstract description 33
- 238000005260 corrosion Methods 0.000 claims abstract description 32
- 239000003822 epoxy resin Substances 0.000 claims abstract description 26
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 17
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 17
- 239000012790 adhesive layer Substances 0.000 claims abstract description 16
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007822 coupling agent Substances 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000008096 xylene Substances 0.000 claims abstract description 5
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000003973 paint Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 31
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000004925 Acrylic resin Substances 0.000 claims description 12
- 229920000178 Acrylic resin Polymers 0.000 claims description 12
- HXBPYFMVGFDZFT-UHFFFAOYSA-N allyl isocyanate Chemical compound C=CCN=C=O HXBPYFMVGFDZFT-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000003431 cross linking reagent Substances 0.000 claims description 10
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 10
- 229940043237 diethanolamine Drugs 0.000 claims description 10
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 10
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 8
- 239000004843 novolac epoxy resin Substances 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 8
- 238000004381 surface treatment Methods 0.000 claims description 8
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 7
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 7
- 230000000844 anti-bacterial effect Effects 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- 239000003899 bactericide agent Substances 0.000 claims description 7
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical group CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 7
- 239000000049 pigment Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 238000005422 blasting Methods 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000006011 modification reaction Methods 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000013527 degreasing agent Substances 0.000 claims description 3
- 238000005237 degreasing agent Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006004 Quartz sand Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002585 base Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- JJRDHFIVAPVZJN-UHFFFAOYSA-N cyclotrisiloxane Chemical compound O1[SiH2]O[SiH2]O[SiH2]1 JJRDHFIVAPVZJN-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
-
- 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
-
- 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
- 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
Abstract
The application relates to the field of quartz sand preparation, in particular to a weather-resistant iron art product and a preparation method thereof, wherein the weather-resistant iron art product comprises a metal substrate, and a color retention layer, an anti-corrosion layer, a hydrophobic layer and a protective adhesive layer which sequentially cover the metal substrate, wherein the color retention layer comprises the following raw materials in parts by weight, namely a water-based epoxy resin emulsion, silane coupling agent modified titanium dioxide, titanate coupling agent, low shrinkage agent, curing agent, dispersing agent, xylene and water; the hydrophobic layer is made of polytrifluoropropylmethylcyclotrisiloxane; the protective adhesive layer is made of urethane acrylate. According to the invention, the silane coupling agent modified titanium dioxide is used as a dispersoid in a waterborne epoxy resin emulsion system, the obtained coating agent has appropriate viscosity, strong adhesion to the surface of an iron product and strong stability, the luminous intensity is effectively enhanced, and the formed paint film has good transparency, high glossiness, excellent fullness, good gloss retention and good color retention effect.
Description
Technical Field
The application relates to the technical field of corrosion prevention of iron art products, in particular to a weather-resistant iron art product and a preparation method thereof.
Background
The metal artware is manufactured by processing metal materials such as gold, silver, copper, iron, tin and the like as main materials and other materials as auxiliary materials, wherein iron is most widely applied in low price, excellent processability and metal luster, and the manufactured iron artware such as home decoration ornaments of various animal models, wine racks, art lamps and the like is cheap and high in quality and is popular with people. In order to ensure the usability of the iron art product, the anti-corrosion coating treatment is indispensable in the production process of the iron art product. After the existing iron art product is subjected to anti-corrosion coating treatment, the surface smoothness, the glossiness and the color presenting capability are poor, high quality and fashion feeling are difficult to build, and the added value of the product is low. On the other hand, because the ironwork product has playing or storage properties, it is desirable that the surface also have antimicrobial, stain resistant, abrasion resistant, and tough properties. Therefore, a new product with both beauty and weather resistance and high added value as a high-end positioning is needed.
Disclosure of Invention
In order to solve the defects of the prior art, the application provides a weather-resistant iron art product and a preparation method thereof.
The application provides a weather-resistant iron product and a preparation method thereof, which adopt the following technical scheme:
a weather-resistant iron art product comprises a metal substrate, and a color protection layer and an anti-corrosion layer which sequentially cover the metal substrate, wherein the color protection layer consists of a water-based epoxy resin emulsion, silane coupling agent modified titanium dioxide, a titanate coupling agent, a low shrinkage agent, a curing agent, a dispersing agent, xylene and water; the anti-corrosion layer is composed of a water-based acrylic resin emulsion, an anti-rust pigment, a siloxane corrosion inhibitor, caprolactam, hydroxyethyl acrylate, fluorine-modified acrylate, a water-based organic silicon cross-linking agent, a bactericide, a defoaming agent and water.
The weather-resistant iron art product of claim 1, wherein: the waterborne epoxy resin emulsion is obtained by mixing allyl isocyanate, novolac epoxy resin, diethanol amine and an organic solvent and carrying out a modification reaction.
Preferably, the weight parts ratio of the allyl isocyanate to the novolac epoxy resin to the diethanol amine is 1-3.
Preferably, the condensation reducer is silicon-terminated polyether polyurethane with the number average molecular weight of 2000-5000.
The weather-resistant iron art product of claim 1, wherein: the curing agent is phthalic anhydride.
Preferably, the dispersant is polyvinylpyrrolidone and polyacrylamide in a weight ratio of 1: 1.
Preferably, the particle size of the silane coupling agent modified titanium dioxide is 20-50nm.
Preferably, the color-preserving layer comprises the following raw materials, by weight, 400-500 parts of a water-based epoxy resin emulsion, 350-400 parts of silane coupling agent modified titanium dioxide, 1-3 parts of a titanate coupling agent, 35-45 parts of a low shrinkage agent, 85-110 parts of a curing agent, 8-15 parts of a dispersing agent, 7-10 parts of xylene and 180-240 parts of water;
the anti-corrosion layer comprises the following raw materials, by weight, 300-550 parts of a water-based acrylic resin emulsion, 150-200 parts of an anti-rust pigment, 1-3 parts of a siloxane corrosion inhibitor, 0.5-2 parts of caprolactam, 0.1-1 part of hydroxyethyl acrylate, 0.1-1 part of fluorine-modified acrylate, 50-85 parts of a water-based organosilicon crosslinking agent, 3-5 parts of a bactericide, 1-3 parts of an antifoaming agent, and 200-300 parts of water.
Preferably, the protective glue layer comprises a hydrophobic layer and a protective glue layer; the hydrophobic layer is made of polytrifluoropropylmethylcyclotrisiloxane; the protective adhesive layer is made of urethane acrylate.
The preparation method of the weather-resistant iron art product comprises the following steps:
cleaning, namely performing ultrasonic oscillation on the metal base material in a cleaning solution, and then respectively cleaning for 1-2 times by using deionized water and a degreasing agent to obtain the cleaned metal base material;
surface treatment, namely derusting the surface of the cleaned metal base material by shot blasting, and then soaking the metal base material in a 5% dilute hydrochloric acid solution for 10 minutes;
preparing a reagent: selecting the raw materials of the color retention layer and the anti-corrosion layer to prepare a color retention agent and an anti-corrosion agent;
surface coating, namely uniformly coating the prepared color retention agent on the surface of the metal base material prepared in the step S2 to form a color retention layer with the thickness of 0.05 mm; placing the metal substrate with the color protection layer in air, standing and drying for 1-2h;
uniformly coating the prepared anticorrosive agent on the color protection layer to form an anticorrosive layer, heating and curing the metal substrate in a drying oven, controlling the temperature at 60-75 ℃, and heating for 12 hours; vacuum pumping or gas protection is adopted during heating, and the vacuum degree is-2.7 to-3.6 multiplied by 104Pa during vacuum pumping;
and (5) sequentially coating a hydrophobic layer and a protective adhesive layer on the surface of the metal substrate prepared in the step (S5), and naturally cooling to room temperature to prepare the iron product with high weather resistance.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the invention, the waterborne epoxy resin emulsion, the titanate coupling agent, the waterborne acrylic resin emulsion and the waterborne organic silicon crosslinking agent are used as the coating main body, so that the internal stress can be effectively reduced, the bonding strength of the color retention layer and the metal substrate and the covering capability of the color retention layer and the anti-corrosion layer are increased, the curing shrinkage rate of the coating is greatly reduced, the coating is prevented from wrinkling and falling off, and the weather resistance is high.
2. According to the invention, the silane coupling agent modified titanium dioxide is used as a dispersoid in a water-based epoxy resin emulsion system, the obtained coating agent has proper viscosity, strong adhesion to the surface of an iron product and strong stability, the luminous intensity is effectively enhanced, and the formed paint film has good transparency, high glossiness, excellent fullness, gloss retention and color retention effects.
3. The invention uses allyl isocyanate and phenolic epoxy resin to react to prepare waterborne epoxy resin emulsion, and the waterborne epoxy resin emulsion and the waterborne acrylic resin emulsion form a cross-linked network structure under the action of a titanate coupling agent, phthalic anhydride and a waterborne organic silicon cross-linking agent, gradually reduces the molecular chain distribution space of the waterborne acrylic resin, limits the molecular chain movement in the corresponding interface region, gradually fixes the corresponding chain segment, further reduces the shrinkage rate of a color-protecting layer and an anti-corrosion layer, improves the smoothness, and has the combined action with titanium dioxide contained in a filler, so that the coating also has the capabilities of elastic recovery, leveling and water resistance, the condition of poor surface roughness and poor roughness after the surface treatment of an iron product is eliminated, the coating can be fully contacted and combined with the surface of the iron product, and a better protection effect is obtained.
4. The invention adopts the surface treatment process of layered coating, has the characteristics of simple process method, easy operation, low cost, easily obtained raw materials and low energy consumption, and provides a new way for preparing high-quality iron art products.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention.
As used herein, the term "prepared from" \8230a "is synonymous with" comprising ". As used herein, the terms "comprises," "comprising," "includes," "including," "has," "having," "contains" or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
Example 1
A weather-resistant iron product comprises a metal substrate, and a color protection layer, an anti-corrosion layer, a hydrophobic layer and a protection adhesive layer which are sequentially covered on the metal substrate, wherein the hydrophobic layer is made of polytrifluoropropylmethyl cyclotrisiloxane, and the protection adhesive layer is made of polyurethane acrylate.
The preparation method comprises the following steps:
s1, cleaning, namely performing ultrasonic oscillation on the metal base material in a cleaning solution, and then respectively cleaning for 1-2 times by using deionized water and an oil removing agent to obtain the cleaned metal base material;
s2, surface treatment, namely derusting the surface of the cleaned metal base material by shot blasting, and then soaking the metal base material in a 5% dilute hydrochloric acid solution for 10 minutes;
s3, reagent preparation: selecting the raw materials of the color retention layer and the anti-corrosion layer to prepare a color retention agent and an anti-corrosion agent;
the preparation method of the color retention agent comprises the following steps: uniformly stirring 400 parts of aqueous epoxy resin emulsion, 8 parts of dispersant, 7 parts of dimethylbenzene and 180 parts of water; then adding 350 parts of silane coupling agent modified titanium dioxide, uniformly dispersing and grinding; adding 1 part of titanate coupling agent, 35 parts of low-shrinkage agent and 85 parts of curing agent, uniformly dispersing, adjusting the viscosity of the system by using the balance of water, and discharging to obtain the color retention agent. Wherein, the silane coupling agent modified titanium dioxide adopts a DuPont R960 product, and the particle size is 25nm.
The waterborne epoxy resin emulsion is obtained by mixing allyl isocyanate, phenolic epoxy resin, diethanol amine and an organic solvent and carrying out modification reaction. The weight parts of allyl isocyanate, novolac epoxy resin and diethanol amine are 1.
Wherein the condensation reducing agent is siloxane-terminated polyether polyurethane with the number average molecular weight of 2500, and is obtained by the polyaddition reaction of NCO-terminated polyether polyurethane and polyhydroxy siloxane. The curing agent is phthalic anhydride. The dispersant is polyvinylpyrrolidone and polyacrylamide with the weight ratio of 1: 1.
The preparation method of the anticorrosive agent comprises the following steps: stirring 300 parts of water-based acrylic resin emulsion, adding 150 parts of antirust pigment, 1 part of siloxane corrosion inhibitor, 0.1 part of hydroxyethyl acrylate, 0.1 part of fluorine-modified acrylate, 3 parts of bactericide and 1 part of defoaming agent, stirring for the second time, adding 50 parts of water-based organic silicon crosslinking agent and 200 parts of water, stirring for the third time, adding 0.5 part of caprolactam, and stirring for the fourth time to obtain the anticorrosive agent;
s4, coating the surface, namely uniformly coating the prepared color retention agent on the surface of the metal base material prepared in the step S2 to form a color retention layer with the thickness of 0.05 mm; placing the metal substrate with the color protection layer in air, standing and drying for 1-2h;
s5, uniformly coating the prepared anticorrosive agent on the anticorrosive layer to form the anticorrosive layer, heating and curing the metal substrate in a drying oven at the temperature of 60-75 ℃ for 12 hours; during heating, vacuum pumping or gas protection is adopted, and the vacuum degree is-2.7 to-3.6 multiplied by 104Pa during vacuum pumping;
and S6, sequentially coating a hydrophobic layer and a protective adhesive layer on the surface of the metal substrate prepared in the step S5, and naturally cooling to room temperature to prepare the iron product with high weather resistance.
Example 2
A weather-resistant iron product comprises a metal substrate, and a color protection layer, an anti-corrosion layer, a hydrophobic layer and a protection adhesive layer which are sequentially covered on the metal substrate, wherein the hydrophobic layer is made of polytrifluoropropylmethyl cyclotrisiloxane, and the protection adhesive layer is made of polyurethane acrylate.
The preparation method comprises the following steps:
s1, cleaning, namely performing ultrasonic oscillation on the metal base material in a cleaning solution, and then respectively cleaning for 1-2 times by using deionized water and a degreasing agent to obtain the cleaned metal base material;
s2, surface treatment, namely derusting the surface of the cleaned metal base material by shot blasting, and then soaking the metal base material in a 5% dilute hydrochloric acid solution for 10 minutes;
s3, reagent preparation: selecting the raw materials of the color retention layer and the anti-corrosion layer to prepare a color retention agent and an anti-corrosion agent;
the preparation method of the color retention agent comprises the following steps: uniformly stirring 450 parts of aqueous epoxy resin emulsion, 12 parts of dispersing agent, 8 parts of dimethylbenzene and 1801 parts of water; then adding 3501 parts of silane coupling agent modified titanium dioxide powder, uniformly dispersing, and grinding; adding 2 parts of titanate coupling agent, 40 parts of low shrinkage agent and 95 parts of curing agent, uniformly dispersing, adjusting the viscosity of the system by using the balance of water, and discharging to obtain the color retention agent. Wherein, the silane coupling agent modified titanium dioxide adopts DuPont R960 product, and the particle size is 30nm.
The waterborne epoxy resin emulsion is obtained by mixing allyl isocyanate, phenolic epoxy resin, diethanol amine and an organic solvent and carrying out modification reaction. The weight ratio of allyl isocyanate to novolac epoxy resin to diethanolamine is 2.
Wherein the shrinkage-reducing agent is silicon-terminated polyether polyurethane with the number average molecular weight of 2000-5000, and is obtained by the polyaddition reaction of NCO-terminated polyether polyurethane and polyhydroxy siloxane. The curing agent is phthalic anhydride. The dispersant is polyvinylpyrrolidone and polyacrylamide with the weight ratio of 1: 1.
The preparation method of the anticorrosive agent comprises the following steps: stirring 450 parts of water-based acrylic resin emulsion, adding 150 parts of antirust pigment, 2 parts of siloxane corrosion inhibitor, 0.5 part of hydroxyethyl acrylate, 0.5 part of fluorine-modified acrylate, 4 parts of bactericide and 2 parts of defoaming agent, stirring for the second time, adding 65 parts of water-based organic silicon crosslinking agent and 250 parts of water, stirring for the third time, adding 1 part of caprolactam, and stirring for the fourth time to obtain the anticorrosive agent;
s4, coating the surface, namely uniformly coating the prepared color retention agent on the surface of the metal base material prepared in the step S2 to form a color retention layer with the thickness of 0.05 mm; placing the metal substrate with the color retention layer in air, standing and drying for 1-2h;
s5, uniformly coating the prepared anticorrosive agent on the anticorrosive layer to form the anticorrosive layer, heating and curing the metal base material in a drying oven at the temperature of 60-75 ℃ for 12 hours; vacuum pumping or gas protection is adopted during heating, and the vacuum degree is-2.7 to-3.6 multiplied by 104Pa during vacuum pumping;
and S6, sequentially coating a hydrophobic layer and a protective adhesive layer on the surface of the metal substrate prepared in the step S5, and naturally cooling to room temperature to prepare the iron product with high weather resistance.
Example 3
A weather-resistant iron art product comprises a metal base material, and a color protection layer, an anti-corrosion layer, a hydrophobic layer and a protection adhesive layer which sequentially cover the metal base material, wherein the hydrophobic layer is made of polytrifluoropropylmethylcyclotrisiloxane, and the protection adhesive layer is made of polyurethane acrylate.
The preparation method comprises the following steps:
s1, cleaning, namely performing ultrasonic oscillation on the metal base material in a cleaning solution, and then respectively cleaning for 1-2 times by using deionized water and an oil removing agent to obtain the cleaned metal base material;
s2, surface treatment, namely removing rust on the surface of the cleaned metal base material by shot blasting, and then soaking the metal base material in a 5% dilute hydrochloric acid solution for 10 minutes;
s3, reagent preparation: selecting the raw materials of the color retention layer and the anti-corrosion layer to prepare a color retention agent and an anti-corrosion agent;
the preparation method of the color retention agent comprises the following steps: uniformly stirring 500 parts of aqueous epoxy resin emulsion, 15 parts of dispersant, 10 parts of dimethylbenzene and 240 parts of water; then adding 400 parts of silane coupling agent modified titanium dioxide, uniformly dispersing and grinding; adding 3 parts of titanate coupling agent, 45 parts of low shrinkage agent and 110 parts of curing agent, uniformly dispersing, adjusting the viscosity of the system by using the balance of water, and discharging to obtain the color retention agent. Wherein, the silane coupling agent modified titanium dioxide adopts a DuPont R960 product, and the particle size is 50nm.
The waterborne epoxy resin emulsion is obtained by mixing allyl isocyanate, phenolic epoxy resin, diethanol amine and an organic solvent and carrying out modification reaction. The weight parts of allyl isocyanate, novolac epoxy resin and diethanol amine are 3.
Wherein the condensation reducing agent is silicon-terminated polyether polyurethane with the number average molecular weight of 5000, and is obtained by the polyaddition reaction of NCO-terminated polyether polyurethane and polyhydroxy siloxane. The curing agent is phthalic anhydride. The dispersant is polyvinylpyrrolidone and polyacrylamide with the weight ratio of 1: 1.
The preparation method of the anticorrosive agent comprises the following steps: stirring 550 parts of water-based acrylic resin emulsion, adding 200 parts of antirust pigment, 3 parts of siloxane corrosion inhibitor, 1 part of hydroxyethyl acrylate, 1 part of fluorine-modified acrylate, 5 parts of bactericide and 3 parts of defoaming agent, stirring for the second time, adding 85 parts of water-based organic silicon cross-linking agent and 300 parts of water, stirring for the third time, adding 2 parts of caprolactam, and stirring for the fourth time to obtain the anticorrosive agent;
s4, coating the surface, namely uniformly coating the prepared color retention agent on the surface of the metal base material prepared in the step S2 to form a color retention layer with the thickness of 0.05 mm; placing the metal substrate with the color retention layer in air, standing and drying for 1-2h;
s5, uniformly coating the prepared anticorrosive agent on the anticorrosive layer to form the anticorrosive layer, heating and curing the metal base material in a drying oven at the temperature of 60-75 ℃ for 12 hours; vacuum pumping or gas protection is adopted during heating, and the vacuum degree is-2.7 to-3.6 multiplied by 104Pa during vacuum pumping;
and S6, sequentially coating a hydrophobic layer and a protective adhesive layer on the surface of the metal base material prepared in the S5, and naturally cooling to room temperature to prepare the iron art product with high weather resistance.
Comparative example 1
A method for preparing a weather-resistant iron art product, wherein comparative example 1 is different from example 1 in that: and replacing the water-based epoxy resin emulsion in the color retention agent with the water-based acrylic resin emulsion in the same weight part.
Comparative example 2
A method for preparing a weather-resistant iron art product, wherein comparative example 2 is different from example 1 in that: the silane coupling agent modified titanium dioxide in the color retention agent is replaced by the titanium dioxide with the same weight part.
Comparative example 3
A method for preparing a weather-resistant iron art product, wherein comparative example 3 is different from example 1 in that: and the titanate coupling agent in the color retention agent is replaced by the silane coupling agent with the same weight part.
Comparative example 4
A method for preparing a weather-resistant iron art product, wherein comparative example 4 is different from example 1 in that: the amount of the low shrinkage agent in the color retention agent is zero.
Comparative example 5
A method for preparing a weather-resistant iron art product, wherein the difference between comparative example 5 and example 1 is as follows: the amount of caprolactam in the corrosion inhibitor is zero.
Comparative example 6
A method for preparing a weather-resistant iron art product, wherein comparative example 6 is different from example 1 in that: the amount of fluorine-modified acrylate in the anticorrosive agent is zero.
Comparative example 7
A method for preparing a weather-resistant iron art product, wherein comparative example 7 is different from example 1 in that: the water-based epoxy resin emulsion in the color retention agent is water-based novolac epoxy resin emulsion.
Performance testing
The finished weather-resistant iron products prepared in the examples 1 to 3 and the comparative examples 1 to 7 of the invention were tested for various properties on the surfaces, and the adhesion was tested according to GB/T1720-1979. Weather resistance, i.e. the artificially accelerated ageing test, the crack time was tested according to GB/T14522-2008. Acid/base resistance was wetted in 5% acetic acid/sodium bicarbonate solution for 180h. Abrasion resistance was tested according to ASTM D5402-06. Gloss and color appearance were visually observed by the human eye in a well-lit environment at a distance of 1.5 meters.
The test results are given in table 1 below.
TABLE 1
As can be seen from Table 1, after the waterborne epoxy resin emulsion prepared by reacting allyl isocyanate and novolac epoxy resin is broken through a coating system in which a titanate coupling agent, phthalic anhydride, a waterborne organosilicon crosslinking agent and the waterborne acrylic resin emulsion form a crosslinked network, the coating has obvious reduction in the aspects of adhesion, weather resistance, acid/alkali resistance, wear resistance, glossiness, color appearance and the like. The invention has the advantages of reduced shrinkage rate and high smoothness, and can solve the problems of surface roughness and poor flatness of the iron product after surface treatment.
It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.
Claims (10)
1. A weather-resistant iron product is characterized in that: the color-preserving paint comprises a metal substrate, and a color-preserving layer and an anti-corrosion layer which sequentially cover the metal substrate, wherein the color-preserving layer consists of a water-based epoxy resin emulsion, silane coupling agent modified titanium dioxide, a titanate coupling agent, a low shrinkage agent, a curing agent, a dispersing agent, xylene and water; the anti-corrosion layer consists of aqueous acrylic resin emulsion, an anti-rust pigment, a siloxane corrosion inhibitor, caprolactam, hydroxyethyl acrylate, fluorine-modified acrylate, an aqueous organosilicon cross-linking agent, a bactericide, a defoaming agent and water.
2. The weather-resistant iron art product of claim 1, wherein: the waterborne epoxy resin emulsion is obtained by mixing allyl isocyanate, phenolic epoxy resin, diethanol amine and an organic solvent and carrying out modification reaction.
3. The weather-resistant iron craft article of claim 2, wherein: the weight parts of the allyl isocyanate, the novolac epoxy resin and the diethanol amine are 1-3.
4. The weather-resistant iron craft article of claim 1, wherein: the low shrinking agent is silicon-terminated polyether polyurethane with the number average molecular weight of 2000-5000.
5. The weather-resistant iron craft article of claim 1, wherein: the curing agent is phthalic anhydride.
6. The weather-resistant iron craft article of claim 1, wherein: the dispersant is polyvinylpyrrolidone and polyacrylamide with the weight ratio of 1: 1.
7. The weather-resistant iron craft article of claim 1, wherein: the particle size of the silane coupling agent modified titanium dioxide is 20-50nm.
8. The weather-resistant iron craft article of claim 1, wherein: the color-preserving layer comprises the following raw materials, by weight, 400-500 parts of a water-based epoxy resin emulsion, 350-400 parts of silane coupling agent modified titanium dioxide, 1-3 parts of a titanate coupling agent, 35-45 parts of a low shrinkage agent, 85-110 parts of a curing agent, 8-15 parts of a dispersing agent, 7-10 parts of xylene and 180-240 parts of water; the anti-corrosion layer comprises the following raw materials, by weight, 300-550 parts of a water-based acrylic resin emulsion, 150-200 parts of an anti-rust pigment, 1-3 parts of a siloxane corrosion inhibitor, 0.5-2 parts of caprolactam, 0.1-1 part of hydroxyethyl acrylate, 0.1-1 part of fluorine-modified acrylate, 50-85 parts of a water-based organosilicon cross-linking agent, 3-5 parts of a bactericide, 1-3 parts of an antifoaming agent, and 200-300 parts of water.
9. The weather-resistant iron craft article of claim 1, wherein: the coating also comprises a hydrophobic layer and a protective adhesive layer; the hydrophobic layer is made of polytrifluoropropylmethylcyclotrisiloxane; the protective adhesive layer is made of urethane acrylate.
10. A method for preparing the weatherable iron article of any of claims 1-9, comprising the steps of:
cleaning, namely performing ultrasonic oscillation on the metal base material in a cleaning solution, and then respectively cleaning for 1-2 times by using deionized water and a degreasing agent to obtain the cleaned metal base material;
surface treatment, namely derusting the surface of the cleaned metal base material by shot blasting, and then soaking the cleaned metal base material in a 5% dilute hydrochloric acid solution for 10 minutes;
preparing a reagent: selecting the raw materials of the color retention layer and the anti-corrosion layer to prepare a color retention agent and an anti-corrosion agent;
surface coating, namely uniformly coating the prepared color retention agent on the surface of the metal base material prepared in the step S2 to form a color retention layer with the thickness of 0.05 mm; placing the metal substrate with the color retention layer in air, standing and drying for 1-2h;
uniformly coating the prepared anticorrosive agent on the color protection layer to form an anticorrosive layer, heating and curing the metal substrate in a drying oven, controlling the temperature at 60-75 ℃, and heating for 12 hours; vacuum pumping or gas protection is adopted during heating, and the vacuum degree is-2.7 to-3.6 multiplied by 104Pa during vacuum pumping;
and (5) sequentially coating a hydrophobic layer and a protective adhesive layer on the surface of the metal substrate prepared in the step (S5), and naturally cooling to room temperature to prepare the iron product with high weather resistance.
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| CN110256917A (en) * | 2019-05-13 | 2019-09-20 | 王丽霞 | A kind of environmental protection strong water proof carpentry paint and preparation method thereof |
| CN113174188A (en) * | 2021-06-08 | 2021-07-27 | 深圳力才超材料科技有限公司 | High-solid-content anti-rust and anti-corrosion coating for metal and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110256917A (en) * | 2019-05-13 | 2019-09-20 | 王丽霞 | A kind of environmental protection strong water proof carpentry paint and preparation method thereof |
| CN113174188A (en) * | 2021-06-08 | 2021-07-27 | 深圳力才超材料科技有限公司 | High-solid-content anti-rust and anti-corrosion coating for metal and preparation method thereof |
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| 王德中, 华中科技大学出版社 * |
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