CN113861827A - Oily wear-resistant impact-resistant corrosion-resistant coating material and preparation method thereof - Google Patents
Oily wear-resistant impact-resistant corrosion-resistant coating material and preparation method thereof Download PDFInfo
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- CN113861827A CN113861827A CN202111317562.5A CN202111317562A CN113861827A CN 113861827 A CN113861827 A CN 113861827A CN 202111317562 A CN202111317562 A CN 202111317562A CN 113861827 A CN113861827 A CN 113861827A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The invention discloses an oily wear-resistant impact-resistant corrosion-resistant coating material which comprises A, B parts with the weight ratio of (5-9) to 1, wherein the part A comprises the following substances in parts by weight: 40-60 parts of epoxy resin, 10-40 parts of isocyanate, 5-20 parts of bismaleimide resin, 10-30 parts of chlorinated rubber emulsion, 10-20 parts of sulfonated rubber emulsion, 20-55 parts of basalt flakes and 30-60 parts of organic solvent, wherein the part B is an amine curing agent. After the basalt flakes are added into the oily wear-resistant impact-resistant corrosion-resistant coating material, the corrosion resistance of the coating can be obviously improved, and the mechanical property of the coating also meets the requirement.
Description
Technical Field
The invention relates to the field of coatings, in particular to an oily wear-resistant impact-resistant corrosion-resistant coating material and a preparation method thereof.
Background
The coating is coated on the surface of an object to form a solid film which is firm in adhesion, has certain strength and is continuous. The coating can bring unique attributes to the surface of the object, and can enhance the resistance of the surface of the object. According to the requirements of use scenes, the coating is mainly divided into an anticorrosive coating, a heat-insulating coating, a fire-resistant coating and the like, wherein the anticorrosive coating is applied more frequently. The scaly material is used as a commonly used additive material of the coating, and has a larger plane and a lower thickness, so that a layer-by-layer stacking state can be formed in a matrix of the coating, the path of corrosive micromolecules passing through a base material is increased, the time of the corrosive micromolecules passing through the coating to reach steel is prolonged, and the aim of enhancing corrosion resistance is fulfilled.
Under the condition that the corrosion resistance of the coating added with the basalt flakes is greatly improved, the mechanical property of the coating is also reduced, and along with the higher and higher requirements on the composite property of the coating, the application space of the basalt flake anticorrosive coating with a single corrosion resistance function is smaller and smaller.
Disclosure of Invention
In order to solve the problems, the invention provides an oily wear-resistant impact-resistant corrosion-resistant coating material which consists of A, B two parts according to the weight ratio (5-9) to 1, wherein the part A comprises the following substances in parts by weight: 40-60 parts of epoxy resin, 10-40 parts of isocyanate, 5-20 parts of bismaleimide resin, 10-30 parts of chlorinated rubber emulsion, 10-20 parts of sulfonated rubber emulsion, 20-55 parts of basalt flakes and 30-60 parts of organic solvent; and the part B is an amine curing agent.
Specifically, the epoxy resin is E44 epoxy resin or E51 epoxy resin; the isocyanate is one of IPDI, HDI tripolymer, TDI, MDI or HMDI; the organic solvent is one or more of xylene, toluene, butanol, PMA, DMAc or DBE.
Further, the part A can also comprise the following substances in parts by weight: 0.5-1 part of dispersant, 0.2-1 part of wetting agent, 5-10 parts of preservative, 10-20 parts of filler, 0.2-1 part of defoamer, 0.5-1 part of flash rust inhibitor, 0.1-0.5 part of pH regulator, 3-10 parts of iron oxide red and 5-10 parts of iron oxide black.
The preparation method of the oily wear-resistant impact-resistant corrosion-resistant coating material is characterized by comprising the following steps of:
1) preparation of basalt flakes
Placing the basalt particles into a high-temperature boiling furnace or a muffle furnace, vacuumizing, heating to 800-;
2) preparation of oil-soluble basalt flakes
Soaking the basalt flakes obtained in the step 1) in a silane coupling agent for 12 hours, taking out the basalt flakes, then soaking the basalt flakes in cashew nut shell oil modified amine, and uniformly stirring the basalt flakes for later use;
3) preparation of part A
Weighing the part A according to the weight part, adding the epoxy resin, the isocyanate, the bismaleimide resin, the chlorinated rubber emulsion and the sulfonated rubber emulsion into an organic solvent together, stirring and fully mixing, adding the dispersing agent, the wetting agent, the preservative, the filler, the iron oxide red and the iron oxide black, uniformly stirring, grinding by using a colloid mill until the fineness is not higher than 30 mu m, adding the oil-soluble basalt flakes, the defoaming agent, the flash rust inhibitor and the pH regulator obtained in the step 2), and uniformly stirring to obtain the coating;
4) coating of
And weighing the part A and the part B in proportion, mixing, quickly stirring, uniformly coating, and naturally drying.
Drawings
FIG. 1 is an SEM image of basalt flakes obtained in an example of the present invention.
Detailed Description
The present invention is described below with reference to examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
Example 1
An oily wear-resistant impact-resistant corrosion-resistant coating material comprises A, B parts, wherein the mass ratio of the part A to the part B is 7:1, wherein the part A is prepared from the following substances in parts by weight: 50 parts of E44 epoxy resin, 25 parts of HDI tripolymer, 12 parts of bismaleimide resin, 20 parts of chlorinated rubber emulsion, 15 parts of sulfonated rubber emulsion, 40 parts of basalt scales, 40 parts of xylene, 50400.7 parts of dispersant, 0.6 part of TEGOTwin4200 wetting agent, 8 parts of BIT preservative, 15 parts of filler silicon micropowder, 0.5 part of callaway8850 defoamer, 340.8 parts of flash rust inhibitor CK, 0.3 part of pH regulator triethanolamine, 6 parts of iron oxide red and 7 parts of iron oxide black; and the part B is a T31 epoxy resin curing agent.
The preparation method of the oily wear-resistant impact-resistant corrosion-resistant coating material comprises the following steps: 1) putting basalt ore particles into a high-temperature boiling furnace, vacuumizing, heating to 1300 ℃, rapidly cooling a melt to-10 ℃ by using low-temperature nitrogen, naturally placing to normal temperature, and stripping and slicing the cooled basalt ore solid by using an ultra-high-speed rotary sheet type pulverizer with the frequency of 14500rpm to prepare basalt scales with the average particle size of 300 microns and the thickness of 1 micron, wherein the basalt scales are shown in figure 1; 2) soaking the basalt flakes obtained in the step 1) in a silane coupling agent for 12 hours, taking out the basalt flakes, then soaking the basalt flakes in cashew nut shell oil modified amine, and uniformly stirring the basalt flakes for later use; 3) weighing the part A according to the weight part, adding E44 epoxy resin, HDI trimerization, bismaleimide resin, chlorinated rubber emulsion and sulfonated rubber emulsion into dimethylbenzene, stirring and fully mixing, adding a dispersant 5040, a TEGOTwin4200 wetting agent, a BIT preservative, silicon micropowder, iron oxide red and iron oxide black, uniformly stirring, grinding to the fineness of 25 mu m by using a colloid mill, adding the oil-soluble basalt flakes, the callaway8850 defoaming agent, the anti-flash rust agent CK34 and the pH regulator triethanolamine obtained in the step 2), and uniformly stirring; 4) and weighing the part A and the part B in proportion, mixing, quickly stirring, uniformly coating, and naturally drying.
Example 2
An oily wear-resistant impact-resistant corrosion-resistant coating material comprises A, B parts, wherein the mass ratio of the part A to the part B is 5:1, wherein the part A is prepared from the following substances in parts by weight: 60 parts of E51 epoxy resin, 5 parts of HMDI10 parts, 5 parts of bismaleimide resin, 10 parts of chlorinated rubber emulsion, 10 parts of sulfonated rubber emulsion, 20 parts of basalt scales, DMAc20 parts, DBE10 parts, 50270.5-1 parts of dispersing agent, 0.2-1 part of Zetasperse3600 wetting agent, 11410 parts of preservative BIOBANBPK, 10 parts of filler ceramic powder, 70150.2 parts of defoaming agent, CK201 parts of anti-flash rust agent, 0.5 part of amine Wanda pH regulator, 10 parts of iron oxide red and 5 parts of iron oxide black; the part B is a diethyltoluenediamine curing agent.
The preparation method of the oily wear-resistant impact-resistant corrosion-resistant coating material comprises the following steps: 1) putting basalt ore particles into a high-temperature boiling furnace, vacuumizing, heating to 1300 ℃, rapidly cooling a melt to-10 ℃ by using low-temperature nitrogen, naturally placing to normal temperature, and stripping and slicing the cooled basalt ore solid by using an ultra-high-speed rotary sheet type pulverizer with the frequency of 14500rpm to prepare basalt scales with the average particle size of 300 microns and the thickness of 1 micron, wherein the basalt scales are shown in figure 1; 2) soaking the basalt flakes obtained in the step 1) in a silane coupling agent for 12 hours, taking out the basalt flakes, then soaking the basalt flakes in cashew nut shell oil modified amine, and uniformly stirring the basalt flakes for later use; 3) weighing the part A according to parts by weight, adding E51 epoxy resin, HMDI, bismaleimide resin, chlorinated rubber emulsion and sulfonated rubber emulsion into a mixed solvent of DMAc and DBE, stirring and fully mixing, adding a dispersant 5027, a Zetasperse3600 wetting agent, a preservative, ceramic powder, iron oxide red and iron oxide black, uniformly stirring, grinding to the fineness of 30 mu m by using a colloid mill, adding the oil-soluble basalt flakes, a defoaming agent 7015, an anti-flash agent CK20 and an amine Wanda pH regulator obtained in the step 2), and uniformly stirring; 4) and weighing the part A and the part B in proportion, mixing, quickly stirring, uniformly coating, and naturally drying.
Example 3
An oily wear-resistant impact-resistant corrosion-resistant coating material comprises A, B parts, wherein the mass ratio of the part A to the part B is 9:1, wherein the part A is prepared from the following substances in parts by weight: 40 parts of E44 epoxy resin, 40 parts of MDI, 20 parts of bismaleimide resin, 30 parts of chlorinated rubber emulsion, 20 parts of sulfonated rubber emulsion, 55 parts of basalt scales, 60 parts of n-butanol, 5181 parts of dispersing agent, 31001 parts of wetting agent Zetasperse, k1455 parts of preservative, 20 parts of filler silica micropowder, 70101 parts of defoaming agent, CK340.5 parts of anti-flash rust agent, 0.1 part of tert-butyl diethanolamine pH regulator, 3 parts of iron oxide red and 10 parts of iron oxide black; the part B is a 4, 4' -methylene bis (2, 6-diethylaniline) curing agent.
The preparation method of the oily wear-resistant impact-resistant corrosion-resistant coating material comprises the following steps: 1) putting basalt ore particles into a high-temperature boiling furnace, vacuumizing, heating to 1300 ℃, rapidly cooling a melt to-10 ℃ by using low-temperature nitrogen, naturally placing to normal temperature, and stripping and slicing the cooled basalt ore solid by using an ultra-high-speed rotary sheet type pulverizer with the frequency of 14500rpm to prepare basalt scales with the average particle size of 300 microns and the thickness of 1 micron, wherein the basalt scales are shown in figure 1; 2) soaking the basalt flakes obtained in the step 1) in a silane coupling agent for 12 hours, taking out the basalt flakes, then soaking the basalt flakes in cashew nut shell oil modified amine, and uniformly stirring the basalt flakes for later use; 3) weighing the part A according to the weight parts, adding E44 epoxy resin, MDI, bismaleimide resin, chlorinated rubber emulsion and sulfonated rubber emulsion into n-butanol, stirring and fully mixing, adding a dispersing agent 518, a wetting agent Zetasperse3100, a preservative k145, silicon micropowder, iron oxide red and iron oxide black, stirring uniformly, grinding to the fineness of 30 mu m by using a colloid mill, adding the oil soluble basalt flakes, the defoamer 7010, the anti-flash rust agent CK34 and the tert-butyl diethanolamine pH regulator obtained in the step 2), and stirring uniformly; 4) and weighing the part A and the part B in proportion, mixing, quickly stirring, uniformly coating, and naturally drying.
Comparative example 1
An anticorrosive paint has the same formula as that of example 1, except that the basalt flakes used in comparative example 1 are commercially available basalt flakes, and have an average particle size of 200 μm and a thickness of 0.8 μm.
Comparative example 2
An anticorrosive paint which is different from example 1 in that comparative example 2 does not contain basalt flakes, and is otherwise identical.
The anticorrosive coatings of examples 1 to 3 and comparative examples 1 and 2 were coated on a steel plate to a coating thickness of 4mm, and various properties were measured, and the results are shown in table 1.
TABLE 1 coating Properties of examples (S1-S3) and comparative examples (D1, D2)
As can be seen from the data in Table 1, the anti-corrosion performance of the coating can be obviously improved after the basalt flakes are added into the oily anti-wear, anti-impact and anti-corrosion coating material, and the mechanical property of the coating also meets the requirement.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. An oily wear-resistant impact-resistant corrosion-resistant coating material, which comprises A, B two parts and is characterized in that,
the part A comprises the following substances in parts by weight: 40-60 parts of epoxy resin, 10-40 parts of isocyanate, 5-20 parts of bismaleimide resin, 10-30 parts of chlorinated rubber emulsion, 10-20 parts of sulfonated rubber emulsion, 20-55 parts of basalt flakes and 30-60 parts of organic solvent;
the part B is an amine curing agent;
the weight ratio of the part A to the part B is (5-9): 1.
2. The oily wear-resistant impact-resistant corrosion-resistant coating material according to claim 1, wherein the epoxy resin is E44 epoxy resin or E51 epoxy resin.
3. The oily wear-resistant impact-resistant corrosion-resistant coating material according to claim 1, wherein the isocyanate is one of IPDI, HDI trimer, TDI, MDI or HMDI.
4. The oily wear-resistant, impact-resistant, corrosion-resistant coating material according to claim 1, characterized in that the organic solvent is a combination of one or more of xylene, toluene, butanol, PMA, DMAc or DBE.
5. The oily wear-resistant impact-resistant corrosion-resistant coating material according to any one of claims 1 to 4, wherein the part A further comprises the following substances in parts by weight: 0.5-1 part of dispersant, 0.2-1 part of wetting agent, 5-10 parts of preservative, 10-20 parts of filler, 0.2-1 part of defoamer, 0.5-1 part of flash rust inhibitor, 0.1-0.5 part of pH regulator, 3-10 parts of iron oxide red and 5-10 parts of iron oxide black.
6. A method for preparing the oily wear-resistant impact-resistant corrosion-resistant coating material according to claim 5, characterized by comprising the following steps:
1) preparation of basalt flakes
Placing the basalt particles into a high-temperature boiling furnace or a muffle furnace, vacuumizing, heating to 800-;
2) preparation of oil-soluble basalt flakes
Soaking the basalt flakes obtained in the step 1) in a silane coupling agent for 12 hours, taking out the basalt flakes, then soaking the basalt flakes in cashew nut shell oil modified amine, and uniformly stirring the basalt flakes for later use;
3) preparation of part A
Weighing the part A according to the weight part, adding the epoxy resin, the isocyanate, the bismaleimide resin, the chlorinated rubber emulsion and the sulfonated rubber emulsion into an organic solvent together, stirring and fully mixing, adding the dispersing agent, the wetting agent, the preservative, the filler, the iron oxide red and the iron oxide black, uniformly stirring, grinding by using a colloid mill until the fineness is not higher than 30 mu m, adding the oil-soluble basalt flakes, the defoaming agent, the flash rust inhibitor and the pH regulator obtained in the step 2), and uniformly stirring to obtain the coating;
4) coating of
And weighing the part A and the part B in proportion, mixing, quickly stirring, uniformly coating, and naturally drying.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317562.5A CN113861827A (en) | 2021-11-09 | 2021-11-09 | Oily wear-resistant impact-resistant corrosion-resistant coating material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111317562.5A CN113861827A (en) | 2021-11-09 | 2021-11-09 | Oily wear-resistant impact-resistant corrosion-resistant coating material and preparation method thereof |
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Application publication date: 20211231 |