CN115895382A - Water-based rosin-based epoxy anticorrosive paint and preparation method thereof - Google Patents
Water-based rosin-based epoxy anticorrosive paint and preparation method thereof Download PDFInfo
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- CN115895382A CN115895382A CN202110886492.9A CN202110886492A CN115895382A CN 115895382 A CN115895382 A CN 115895382A CN 202110886492 A CN202110886492 A CN 202110886492A CN 115895382 A CN115895382 A CN 115895382A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 239000004593 Epoxy Substances 0.000 title claims abstract description 63
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 title claims abstract description 62
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 title claims abstract description 61
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000003973 paint Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000008367 deionised water Substances 0.000 claims abstract description 34
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 34
- 239000003822 epoxy resin Substances 0.000 claims abstract description 28
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 28
- 239000002270 dispersing agent Substances 0.000 claims abstract description 26
- 238000009736 wetting Methods 0.000 claims abstract description 26
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000000049 pigment Substances 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000013530 defoamer Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 45
- 239000002994 raw material Substances 0.000 claims description 20
- 239000002518 antifoaming agent Substances 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- MHVJRKBZMUDEEV-APQLOABGSA-N (+)-Pimaric acid Chemical compound [C@H]1([C@](CCC2)(C)C(O)=O)[C@@]2(C)[C@H]2CC[C@](C=C)(C)C=C2CC1 MHVJRKBZMUDEEV-APQLOABGSA-N 0.000 claims 1
- MHVJRKBZMUDEEV-UHFFFAOYSA-N (-)-ent-pimara-8(14),15-dien-19-oic acid Natural products C1CCC(C(O)=O)(C)C2C1(C)C1CCC(C=C)(C)C=C1CC2 MHVJRKBZMUDEEV-UHFFFAOYSA-N 0.000 claims 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 claims 1
- 239000006087 Silane Coupling Agent Substances 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 1
- 229920001228 polyisocyanate Polymers 0.000 claims 1
- 239000005056 polyisocyanate Substances 0.000 claims 1
- 229940014800 succinic anhydride Drugs 0.000 claims 1
- 229960001124 trientine Drugs 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 229920006334 epoxy coating Polymers 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 150000001334 alicyclic compounds Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a waterborne rosin-based epoxy anticorrosive paint and a preparation method thereof, wherein the paint comprises a component A and a component B, wherein the component A accounts for 40-50% of the total mass of the paint, and the component B accounts for 50-60% of the total mass of the paint. The component A of the coating consists of 50 to 65 percent of waterborne rosin-based epoxy resin, 10 to 15 percent of waterborne epoxy emulsifier, 5 to 10 percent of propylene glycol methyl ether, 0.5 to 1.0 percent of defoamer, 0.1 to 0.5 percent of waterborne wetting dispersant and 10 to 35 percent of deionized water, and the component B consists of 20 to 30 percent of waterborne epoxy curing agent, 45 to 55 percent of anti-corrosion pigment and filler, 0.5 to 1.0 percent of defoamer, 0.5 to 1.0 percent of waterborne wetting dispersant and 15 to 35 percent of deionized water. The coating has excellent weather resistance, acid and alkali resistance by introducing the waterborne rosin-based epoxy resin, and meanwhile, the coating has good performances such as corrosion resistance, impact resistance and water resistance.
Description
Technical Field
The invention relates to the field of waterborne epoxy anticorrosive paint, in particular to waterborne rosin-based epoxy anticorrosive paint.
Background
Rosin is a natural resin obtained by distilling viscous liquid secreted by pine trees, the main component of the rosin is resin acid, the rosin is a brittle glassy material at room temperature, and the rosin has the molecular characteristics of condensed rings and the like and is similar to the rigid structures of petroleum-based alicyclic or aromatic compounds, so that the rosin becomes a raw material for preparing novel polymers with specific chemical structures and value characteristics, and is widely applied to the fields of coatings, medical treatment, soldering flux, viscosity regulators, paper glaze, soaps, foods and the like. The epoxy resin synthesized by using the rosin has good weather resistance, strong adhesive force, good acid and alkali resistance and other excellent performances, wherein the rosin and the fatty acid are used as potential important raw materials for synthesizing the bio-based epoxy resin and can replace the epoxy resin prepared by petrochemical products such as bisphenol A.
The epoxy resin coating has the characteristics of high hardness, good wear resistance, high adhesive force, excellent chemical resistance and the like, and is widely applied to the coating field. In recent years, with the increasing awareness of environmental protection, environmental regulations restricting Volatile Organic Compounds (VOCs) are successively issued by many countries, and the water-based coating becomes an important trend in the development of coatings. The water-based epoxy coating has the characteristics of good chemical resistance, adhesion, physical and mechanical properties, electrical insulation, low pollution, simple and convenient construction, low price and the like of a solvent-based epoxy coating. Since the 20 th century 70 s abroad development of waterborne epoxy coating technology, waterborne epoxy coatings are widely applied, but general bisphenol A epoxy resin coatings have poor ultraviolet resistance due to a benzene ring structure, so that the weather resistance is not ideal.
Disclosure of Invention
The invention aims to solve the problems and provide the water-based rosin-based epoxy anticorrosive paint, which meets the further requirements of weather resistance, acid resistance and alkali resistance in actual requirements by applying the water-based rosin-based epoxy resin to the water-based epoxy paint and has the characteristics of good dryness, good anticorrosive property, good impact resistance and water resistance and the like. The technical scheme provided by the invention is as follows:
the invention discloses a waterborne rosin-based epoxy anticorrosive paint and a preparation method thereof, wherein the paint comprises a component A and a component B, wherein the component A accounts for 40-50% of the total mass of the paint, and the component B accounts for 50-60% of the total mass of the paint. The component A of the coating consists of waterborne rosin-based epoxy resin, waterborne epoxy emulsifier, propylene glycol methyl ether, defoamer, waterborne wetting dispersant and deionized water, and the component B consists of waterborne epoxy curing agent, anti-corrosion pigment and filler, defoamer, waterborne wetting dispersant and deionized water. By introducing the waterborne rosin-based epoxy resin, the coating has excellent weather resistance and acid and alkali resistance, and meanwhile, the coating has good performances such as corrosion resistance, impact resistance and water resistance.
Compared with the prior art, the invention has the advantages that:
the water-based rosin-based epoxy resin is applied to the water-based epoxy resin paint to meet the further requirements of weather resistance, water resistance and acid resistance in actual requirements, and has the characteristics of good dryness, good corrosion resistance, good impact resistance, good water resistance and the like.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, but the scope of the present invention is not limited by the examples.
Example 1: the water-based rosin-based epoxy anticorrosive paint comprises two components A and B, wherein the component A accounts for 50% of the total mass of the paint, and the component B accounts for 50% of the total mass of the paint. The component A comprises the following raw materials in parts by weight: 65% of water-based rosin-based epoxy resin, 15% of water-based epoxy emulsifier, 10% of propylene glycol methyl ether, 1.0% of defoamer, 0.5% of water-based wetting dispersant and 8.5% of deionized water. Wherein, the raw materials of the waterborne epoxy emulsifier comprise: 32% of polyethylene glycol, 6% of pyromellitic anhydride, 10% of waterborne rosin-based epoxy resin, 0.2% of N, N-dimethylaniline, 30% of propylene glycol methyl ether, 2% of triethanolamine and 19.8% of deionized water. The component B comprises the following raw materials in parts by weight: 30% of waterborne epoxy curing agent, 50% of anticorrosive pigment and filler, 1.0% of defoaming agent, 1.0% of waterborne wetting dispersant and 18% of deionized water. The anti-corrosion pigment filler comprises the following raw materials in parts by weight: 60% of zinc phosphochromate, 10% of talcum powder and 30% of mica iron oxide.
The preparation method of the waterborne rosin-based epoxy anticorrosive paint comprises the following steps: (1) adding waterborne rosin-based epoxy resin into a container, and then stirring for 15min at a stirring speed of 500 r/min; (2) sequentially adding the waterborne epoxy emulsifier, propylene glycol methyl ether, the defoamer, the waterborne wetting dispersant and the deionized water, and stirring for 20min at the stirring speed of 1500r/min to prepare a component A; (3) adding a water-based epoxy curing agent into a container, and then stirring for 10min at a stirring speed of 500 r/min; (4) sequentially adding the anti-corrosion pigment and filler, the defoaming agent, the aqueous wetting dispersant and part of deionized water, stirring for 20min at the stirring speed of 1500r/min, then adding the rest deionized water, and uniformly stirring to prepare a component B; (5) and (3) mixing the component A and the component B by 50 percent respectively to obtain the waterborne rosin-based epoxy anticorrosive paint.
The performance test of the waterborne rosin-based epoxy anticorrosive paint prepared in example 1 is carried out, and the detection results are shown in the following table:
example 2: the water-based rosin-based epoxy anticorrosive paint comprises two components A and B, wherein the component A accounts for 40% of the total mass of the paint, and the component B accounts for 60% of the total mass of the paint. The component A comprises the following raw materials in parts by weight: 50% of water-based rosin-based epoxy resin, 10% of water-based epoxy emulsifier, 10% of propylene glycol methyl ether, 0.5% of defoaming agent, 0.5% of water-based wetting dispersant and 29% of deionized water. Wherein, the raw materials of the water-based epoxy emulsifier comprise: 25% of polyethylene glycol, 6% of pyromellitic anhydride, 11.9% of waterborne rosin-based epoxy resin, 0.1% of N, N-dimethylaniline, 25% of propylene glycol methyl ether, 2% of triethanolamine and 30% of deionized water. The component B comprises the following raw materials in parts by weight: 20% of waterborne epoxy curing agent, 55% of anticorrosive pigment and filler, 1.0% of defoaming agent, 1.0% of waterborne wetting dispersant and 28% of deionized water. The anti-corrosion pigment filler comprises the following raw materials in parts by weight: 50% of zinc phosphochromate, 20% of talcum powder, 10% of mica iron oxide and 20% of light calcium carbonate.
The preparation method of the waterborne rosin-based epoxy anticorrosive paint comprises the following steps: (1) adding waterborne rosin-based epoxy resin into a container, and then stirring for 10min at the stirring speed of 400 r/min; (2) sequentially adding the water-based epoxy emulsifier, propylene glycol methyl ether, the defoaming agent, the water-based wetting dispersant and the deionized water, and stirring for 15min at the stirring speed of 1200r/min to prepare a component A; (3) adding a water-based epoxy curing agent into a container, and then stirring for 5min at a stirring speed of 400 r/min; (4) sequentially adding the anti-corrosion pigment and filler, the defoaming agent, the aqueous wetting dispersant and part of deionized water, stirring for 15min at the stirring speed of 1200r/min, then adding the rest deionized water, and uniformly stirring to prepare a component B; (5) and uniformly mixing 40% of the component A and 60% of the component B to obtain the waterborne rosin-based epoxy anticorrosive paint.
The performance test of the waterborne rosin-based epoxy anticorrosive paint prepared in example 2 shows the following test results:
example 3: the water-based rosin-based epoxy anticorrosive paint comprises two components A and B, wherein the component A accounts for 50% of the total mass of the paint, and the component B accounts for 50% of the total mass of the paint. The component A comprises the following raw materials in parts by weight: 50% of water-based rosin-based epoxy resin, 15% of water-based epoxy emulsifier, 10% of propylene glycol methyl ether, 0.5% of defoamer, 0.5% of water-based wetting dispersant and 24% of deionized water. Wherein, the raw materials of the water-based epoxy emulsifier comprise: 30% of polyethylene glycol, 5% of pyromellitic anhydride, 15% of waterborne rosin-based epoxy resin, 0.2% of N, N-dimethylaniline, 25% of propylene glycol methyl ether, 2% of triethanolamine and 22.8% of deionized water. The component B comprises the following raw materials in parts by weight: 30% of waterborne epoxy curing agent, 45% of anticorrosive pigment and filler, 1.0% of defoaming agent, 1.0% of waterborne wetting dispersant and 23% of deionized water. The anti-corrosion pigment filler comprises the following raw materials in parts by weight: 55% of zinc phosphochromate, 10% of talcum powder, 30% of mica iron oxide and 5% of light calcium carbonate.
The preparation method of the waterborne rosin-based epoxy anticorrosive paint comprises the following steps: (1) adding waterborne rosin-based epoxy resin into a container, and then stirring for 15min at a stirring speed of 500 r/min; (2) sequentially adding a water-based epoxy emulsifier, propylene glycol methyl ether, a defoaming agent, a water-based wetting dispersant and deionized water, and stirring at a stirring speed of 1500r/min for 15min to prepare a component A; (3) adding a water-based epoxy curing agent into a container, and then stirring for 10min at a stirring speed of 500 r/min; (4) sequentially adding the anti-corrosion pigment and filler, the defoaming agent, the aqueous wetting dispersant and part of deionized water, stirring for 20min at the stirring speed of 1200r/min, then adding the rest deionized water, and uniformly stirring to prepare a component B; (5) and (3) uniformly mixing 50% of the component A and 50% of the component B to prepare the waterborne rosin-based epoxy anticorrosive paint.
The performance test of the waterborne rosin-based epoxy anticorrosive paint prepared in example 3 shows the following test results:
example 4: the water-based rosin-based epoxy anticorrosive paint comprises two components A and B, wherein the component A accounts for 45% of the total mass of the paint, and the component B accounts for 55% of the total mass of the paint. The component A comprises the following raw materials in parts by weight: 60% of water-based rosin-based epoxy resin, 15% of water-based epoxy emulsifier, 5% of propylene glycol methyl ether, 1.0% of defoamer, 0.5% of water-based wetting dispersant and 18.5% of deionized water. Wherein, the raw materials of the water-based epoxy emulsifier comprise: 30% of polyethylene glycol, 3% of pyromellitic anhydride, 15% of waterborne rosin-based epoxy resin, 0.2% of N, N-dimethylaniline, 25% of propylene glycol methyl ether, 1.8% of triethanolamine and 25% of deionized water. The component B comprises the following raw materials in parts by weight: 30% of water-based epoxy curing agent, 50% of anti-corrosion pigment and filler, 1.0% of defoaming agent, 1.0% of water-based wetting dispersant and 18% of deionized water. The anti-corrosion pigment filler comprises the following raw materials in parts by weight: 60% of zinc phosphochromate, 10% of talcum powder, 25% of mica iron oxide and 5% of light calcium carbonate.
The preparation method of the waterborne rosin-based epoxy anticorrosive paint comprises the following steps: (1) adding waterborne rosin-based epoxy resin into a container, and then stirring for 15min at a stirring speed of 500 r/min; (2) sequentially adding the waterborne epoxy emulsifier, propylene glycol methyl ether, the defoamer, the waterborne wetting dispersant and the deionized water, and stirring for 20min at the stirring speed of 1500r/min to prepare a component A; (3) adding a water-based epoxy curing agent into a container, and then stirring for 10min at a stirring speed of 500 r/min; (4) sequentially adding the anti-corrosion pigment and filler, the defoaming agent, the aqueous wetting dispersant and part of deionized water, stirring for 20min at the stirring speed of 1500r/min, then adding the rest deionized water, and uniformly stirring to prepare a component B; (5) and uniformly mixing 45% of the component A and 55% of the component B to prepare the waterborne rosin-based epoxy anticorrosive paint.
The performance test of the waterborne rosin-based epoxy anticorrosive paint prepared in example 4 is carried out, and the detection results are shown in the following table:
Claims (8)
1. the water-based rosin-based epoxy anticorrosive paint is characterized by comprising a component A and a component B, wherein the component A accounts for 40-50% of the total mass of the paint, and the component B accounts for 50-60% of the total mass of the paint. The component A of the coating consists of 50 to 65 percent of waterborne rosin-based epoxy resin, 10 to 15 percent of waterborne epoxy emulsifier, 5 to 10 percent of propylene glycol methyl ether, 0.5 to 1.0 percent of defoaming agent, 0.1 to 0.5 percent of waterborne wetting dispersant and 10 to 35 percent of deionized water, and the component B consists of 20 to 30 percent of waterborne epoxy curing agent, 45 to 55 percent of anticorrosive pigment and filler, 0.5 to 1.0 percent of defoaming agent, 0.5 to 1.0 percent of waterborne wetting dispersant and 15 to 35 percent of deionized water.
2. The aqueous rosin-based epoxy anticorrosive paint according to claim 1, wherein the aqueous rosin-based epoxy resin is prepared from acrylic pimaric acid, diglycidyl ether, succinic anhydride, maleic anhydride, polyisocyanate, a catalyst, and the like.
3. The water-based rosin-based epoxy anticorrosive paint according to claim 1, wherein the water-based epoxy emulsifier comprises the following raw materials: 25 to 35 percent of polyethylene glycol, 2 to 6 percent of pyromellitic anhydride, 10 to 15 percent of waterborne rosin-based epoxy resin, 0.1 to 0.2 percent of N, N-dimethylaniline, 25 to 30 percent of propylene glycol methyl ether, 1 to 2 percent of triethanolamine and 20 to 30 percent of deionized water.
4. The waterborne rosin-based epoxy anticorrosive paint of claim 1, wherein the defoamer is a TEGO Foamex 810 type defoamer.
5. The water-based rosin-based epoxy anticorrosive paint according to claim 1, wherein the water-based wetting dispersant is a BYK-306 type water-based wetting dispersant.
6. The water-based rosin-based epoxy anticorrosive paint according to claim 1, wherein the anticorrosive pigment and filler comprises the following raw materials: 50-60% of zinc phosphochromate, 10-20% of talcum powder, 20-35% of mica iron oxide and 0-20% of light calcium carbonate.
7. The waterborne rosin-based epoxy anticorrosive paint according to claim 1, wherein the waterborne epoxy curing agent is prepared from triethylene tetramine, waterborne rosin-based epoxy resin, phenyl glycidyl ether, silane coupling agent, and the like.
8. The preparation method of the water-based rosin-based epoxy anticorrosive paint according to claim 1, characterized by comprising the following steps in sequence:
step a: adding waterborne rosin-based epoxy resin into a container, and then stirring for 10-15 min at the stirring speed of 400-500 r/min;
step b: sequentially adding the aqueous epoxy emulsifier, propylene glycol methyl ether, the defoaming agent, the aqueous wetting dispersant and the deionized water, and stirring for 15-20 min at the stirring speed of 1200-1500 r/min to prepare a component A;
step c: adding a waterborne epoxy curing agent into a container, and then stirring for 5-10 min at a stirring speed of 400-500 r/min;
step d: sequentially adding the anti-corrosion pigment and filler, the defoaming agent, the aqueous wetting dispersant and part of deionized water, stirring for 15-20 min at the stirring speed of 1200-1500 r/min, then adding the rest deionized water, and stirring uniformly to prepare a component B;
step e: and (3) taking a certain amount of the component A and the component B, and uniformly mixing to obtain the waterborne rosin-based epoxy anticorrosive paint.
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| CN202110886492.9A CN115895382A (en) | 2021-08-03 | 2021-08-03 | Water-based rosin-based epoxy anticorrosive paint and preparation method thereof |
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| JP2011116973A (en) * | 2009-11-06 | 2011-06-16 | Kansai Paint Co Ltd | Epoxy resin coating composition |
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| CN112029070A (en) * | 2020-08-11 | 2020-12-04 | 上海华谊涂料有限公司 | Water-based epoxy resin, preparation method thereof and water-based epoxy insulating impregnating varnish |
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2021
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Application publication date: 20230404 |