CN111454661A - Wear-resistant self-lubricating anti-icing, anti-fogging coating and preparation method thereof - Google Patents
Wear-resistant self-lubricating anti-icing, anti-fogging coating and preparation method thereof Download PDFInfo
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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
- 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
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- 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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Abstract
The invention belongs to the technical field of coatings, and discloses a wear-resistant self-lubricating anti-icing, anti-fogging coating and a preparation method thereof. The wear-resistant self-lubricating anti-icing, anti-fogging coating comprises a compound shown as a formula I:
Description
Technical Field
The invention relates to the field of coatings, in particular to a wear-resistant self-lubricating anti-icing, anti-fogging coating and a preparation method thereof.
Background
With the increasing awareness of environmental protection and the corresponding emergence of environmental regulations of various countries, low VOC emission becomes one of the pursued targets in the coating field. Among them, the water-based paint has outstanding advantages in environmental protection and is a research hotspot. Most of water-based coatings are mainly epoxy ester systems, the epoxy ester has the excellent characteristics of the epoxy system and drying oil, and has excellent corrosion resistance, hydrolysis resistance and high hardness, but the problems of low drying speed of a coating film, poor weather resistance and salt mist resistance, insufficient alkali resistance and aging resistance and the like exist. Compared with water-based paint, the powder paint is free of VOC and more environment-friendly, and is only coated mainly in an electrified mode, so that the powder paint is difficult to use on all substrates, at present, metal substrates are mainly used, and in addition, the powder paint is difficult to achieve certain surface effects of liquid paint, such as mirror surface effect.
However, these drawbacks do not hinder the preference of people for powder coatings, which are widely used in industry due to their environmental protection, high raw material utilization, good coating properties, etc. The common powder coating has uniform components, and the coating has uniform performance after spraying, but has poor performances of impact resistance, scratch resistance, toughness and the like. In addition, the use of paints, especially powders, is intended to protect the metal from corrosion or to enhance the aesthetic appearance, for example when used on automobiles, but it is inevitable to scratch the paint during deicing, which affects the aesthetic appearance, and moist air easily condenses on the surface of the automobile, presenting appearance defects of "fog" and very prone to icing in the northern winter.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a wear-resistant self-lubricating anti-icing, anti-fogging coating and a preparation method thereof.
To achieve the object of the present invention, the wear-resistant self-lubricating anti-icing, anti-fogging coating of the present invention comprises a compound represented by formula one:
is like
Polyamide resin, gemini quaternary ammonium salt, a fluorinated phenyl isocyanate curing agent, polyethylene wax, a filler, a defoaming agent and a flatting agent;
wherein n is an integer, and n is more than or equal to 1 and less than or equal to 10; the structure of the fluorinated phenyl isocyanate curing agent is shown as the formula II:
formula II
The end group of the polyamide resin is carboxyl, and the molecular weight is 3000-6000 g/mol.
Preferably, the wear-resistant self-lubricating anti-icing, anti-fogging coating comprises, by mass, 50-70 parts of a compound represented by formula one, 40-50 parts of polyamide resin, 15-25 parts of a fluorophenyl isocyanate curing agent represented by formula two, 2-5 parts of gemini quaternary ammonium salt, 3-6 parts of polyethylene wax, 15-20 parts of a filler, 1-2 parts of a defoaming agent and 1-2 parts of a leveling agent.
Further, the Gemini Gemini quaternary ammonium salt is 12-3-12 type Gemini Gemini quaternary ammonium salt.
Further, the filler comprises graphite, nano-alumina and nano-silica.
Further, the nano-silica is modified nano-silica and is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: (5-7): (1-2), heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Preferably, in some embodiments of the present invention, the filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina is (3-7): (5-8): (8-15).
Further, the melting point of the polyamide resin is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃.
Further, the defoaming agent is one or more of tributyl phosphate, methyl silicone oil, ethyl silicone oil and dimethyl silicone oil.
Further, the leveling agent is one or more of a polyacrylate leveling agent, a fluorine-containing acrylate leveling agent, a polyvinyl butyral leveling agent and an organic silicon leveling agent.
Furthermore, the wear-resistant self-lubricating anti-icing, anti-fogging coating can also contain auxiliary agents such as pigments, antibacterial agents and the like.
The wear-resistant self-lubricating anti-icing, anti-fogging coating can be prepared by the conventional technical means in the field, for example, the wear-resistant self-lubricating anti-icing, anti-fogging coating is prepared by the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder.
Further, the temperature of the melting section in the step (3) is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Compared with the prior art, the invention has the following advantages:
(1) the combination of the compound shown in the formula I, the polyamide resin with the carboxyl as the terminal group and the fluoro-phenyl isocyanate curing agent shown in the formula II ensures that the powder coating has hydrophobicity and wear resistance, so that the coating has the basis of ice prevention and fog prevention;
(2) the wear-resistant self-lubricating anti-icing and anti-fogging coating disclosed by the invention contains the gemini quaternary ammonium salt and the polyethylene wax, so that the coating is good in dispersibility, has a self-lubricating effect, and can delay or reduce the formation of frost ice;
(3) the filler comprises graphite, nano-alumina and modified nano-silica, so that the ice prevention and fog prevention effects of the coating are further improved;
(4) the compound shown in the formula I and the fluorophenyl isocyanate curing agent contain F element, and the flame retardant property of the F element is beneficial to improving the flame retardant property of the coating, so that the coating disclosed by the invention has good flame retardant property without adding a flame retardant.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention. It is to be understood that the following description is only illustrative of the present invention and is not to be construed as limiting the present invention.
The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, 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.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed.
The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. "optional" or "any" means that the subsequently described event or events may or may not occur, and that the description includes instances where the event occurs and instances where it does not.
The indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the number clearly indicates the singular.
Furthermore, the description below of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily for the same embodiment or example. Further, the technical features of the embodiments of the present invention may be combined with each other as long as they do not conflict with each other.
Example 1
Taking 50 parts of a compound shown in a formula I, 40 parts of polyamide resin, 15 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 2 parts of gemini quaternary ammonium salt, 3 parts of polyethylene wax, 15 parts of filler, 1 part of a defoaming agent and 1 part of a flatting agent.
Wherein n in the compound shown in the formula I is 7; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is methyl silicone oil; the leveling agent is a polyacrylate leveling agent.
The filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is 3: 5: 8, the modified nano silicon dioxide is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 5: 1, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 2
60 parts of a compound shown in a formula I, 45 parts of polyamide resin, 20 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 4 parts of gemini quaternary ammonium salt, 5 parts of polyethylene wax, 18 parts of filler, 1.5 parts of a defoaming agent and 1.5 parts of a flatting agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent.
The filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is 6: 6: 11, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 6: 1.5, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 3
70 parts of a compound shown in a formula I, 50 parts of polyamide resin, 25 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 5 parts of gemini quaternary ammonium salt, 6 parts of polyethylene wax, 20 parts of filler, 2 parts of a defoaming agent and 2 parts of a flatting agent.
Wherein n in the compound shown in the formula I is 3; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is an organic silicon leveling agent.
The filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is 7: 8: 15, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 7: 2, mixing, heating to 30-40 ℃, stirring for 1-2 hours under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 4
60 parts of a compound shown in the formula I, 45 parts of polyamide resin, 20 parts of toluene diisocyanate, 4 parts of gemini quaternary ammonium salt, 5 parts of polyethylene wax, 18 parts of filler, 1.5 parts of defoaming agent and 1.5 parts of flatting agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent.
The filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is 6: 6: 11, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 6: 1.5, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown in the formula I, polyamide resin and toluene diisocyanate into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 5
60 parts of a compound shown in a formula I, 45 parts of polyamide resin, 20 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 4 parts of gemini quaternary ammonium salt, 5 parts of polyethylene wax, 18 parts of filler, 1.5 parts of a defoaming agent and 1.5 parts of a flatting agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent.
The filler comprises nano aluminum oxide and modified nano silicon dioxide, and the mass ratio of the nano aluminum oxide to the modified nano silicon dioxide is 6: 11, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 6: 1.5, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 6
60 parts of a compound shown in a formula I, 45 parts of polyamide resin, 20 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 5 parts of polyethylene wax, 18 parts of filler, 1.5 parts of a defoaming agent and 1.5 parts of a leveling agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent.
The filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is 6: 6: 11, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 6: 1.5, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding polyethylene wax, filler, defoaming agent and flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 7
60 parts of a compound shown in a formula I, 45 parts of polyamide resin, 20 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 4 parts of gemini quaternary ammonium salt, 18 parts of filler, 1.5 parts of a defoaming agent and 1.5 parts of a leveling agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent.
The filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is 6: 6: 11, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 6: 1.5, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the filler, the defoaming agent and the flatting agent into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 8
60 parts of a compound shown in a formula I, 45 parts of polyamide resin, 20 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 4 parts of gemini quaternary ammonium salt, 5 parts of polyethylene wax, 18 parts of filler, 1.5 parts of a defoaming agent and 1.5 parts of a flatting agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent.
The filler comprises graphite and modified nano-silica, and the mass ratio of the graphite to the modified nano-silica is 6: 11, the modified nano-silica is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: 6: 1.5, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product.
Taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Example 9
60 parts of a compound shown in a formula I, 45 parts of polyamide resin, 20 parts of a fluorophenyl isocyanate curing agent shown in a formula II, 4 parts of gemini quaternary ammonium salt, 5 parts of polyethylene wax, 18 parts of filler, 1.5 parts of a defoaming agent and 1.5 parts of a flatting agent.
Wherein n in the compound shown in the formula I is 5; the end group of the polyamide resin is carboxyl, the molecular weight is 3000-6000g/mol, the melting point is 135-145 ℃, and the melt viscosity is not higher than 450Pa & s at 165 ℃; the Gemini quaternary ammonium salt is 12-3-12 type Gemini quaternary ammonium salt; the defoaming agent is dimethyl silicone oil; the leveling agent is a fluorine-containing acrylate leveling agent; the filler comprises graphite, nano-alumina and nano-silica, and the mass ratio of the graphite to the nano-alumina to the nano-silica is 6: 6: 11.
taking the materials, preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating according to the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder, wherein the temperature of the melting section is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
Effect testing
And (3) testing the wear resistance: the coating obtained in the above example was sprayed on a steel plate as a substrate at 25 ℃ with an air relative humidity of 55% in an amount of 0.28 kg/square meter, and the coating was sprayed once a day and then in the same amount, and the abrasion resistance was measured after 7 days, with the test standard being ASTM D4060.
Antifogging test: the transparent substrate coated with the coating of the above example was placed at 25 ℃ just 7cm above boiling water at 100 ℃ and was deemed to meet the antifogging requirements if it did not mist for 360 seconds.
Testing the deicing performance: testing water drops on a blank glass steel plate and a glass steel plate sprayed with the coating obtained in the embodiment (the spraying method and the wear resistance test) respectively at the temperature of 10 ℃ below zero and under the condition that the air humidity is 30 percent, taking the average value of 5 testing results as a result, (1) testing icing delay time, and subtracting the icing time of the blank glass steel plate from the icing time of the water on the glass steel plate sprayed with the coating obtained in the embodiment (the spraying method and the wear resistance test) to obtain the icing delay time; (2) and (4) testing the ice adhesion strength, namely deducing the maximum thrust required by the frozen icicle by using a push rod at a speed of 23mm/min along the horizontal direction by closely adhering the icicle to the surface of the substrate through an electric translation table and a force sensor, namely the ice adhesion strength.
The results of the above tests are shown in the following table.
| Test item | Abrasion resistance mg | Antifogging property | Icing delay time/s | Ice adhesion strength/kPa |
| Blank steel plate | / | / | / | 395.8 |
| Example 1 | 9 | Conform to | 243 | 36.6 |
| Example 2 | 8 | Conform to | 250 | 37.8 |
| Example 3 | 8 | Conform to | 245 | 37.5 |
| Example 4 | 39 | Is not in compliance with | 121 | 133.7 |
| Example 5 | 18 | Conform to | 222 | 146.2 |
| Example 6 | 16 | Is not in compliance with | 155 | 111.0 |
| Examples7 | 19 | Is not in compliance with | 167 | 125.5 |
| Example 8 | 12 | Conform to | 153 | 85.6 |
| Example 9 | 35 | Is not in compliance with | 168 | 95.9 |
According to the test results, the combination of the compound shown in the formula I, the polyamide resin with the carboxyl as the terminal group and the fluorinated phenyl isocyanate curing agent shown in the formula II enables the powder coating obtained by the invention to have hydrophobicity and wear resistance, so that the coating has the basis of ice prevention, ice prevention and fog prevention; due to the addition of the gemini quaternary ammonium salt and the polyethylene wax, the coating has good dispersibility and a self-lubricating effect, and can delay or reduce the formation of frost ice; the filler used by the coating disclosed by the invention contains graphite, nano aluminum oxide and modified nano silicon dioxide, so that the ice prevention and fog prevention effects of the coating are further improved.
It will be understood by those skilled in the art that the foregoing is only exemplary of the present invention, and is not intended to limit the invention, which is intended to cover any variations, equivalents, or improvements therein, which fall within the spirit and scope of the invention.
Claims (10)
1. The wear-resistant self-lubricating anti-icing, anti-fog coating is characterized by comprising a compound shown in the formula I:
is like
Polyamide resin, gemini quaternary ammonium salt, a fluorinated phenyl isocyanate curing agent, polyethylene wax, a filler, a defoaming agent and a flatting agent;
wherein n is an integer, and n is more than or equal to 1 and less than or equal to 10; the structure of the fluorinated phenyl isocyanate curing agent is shown as the formula II:
formula II
The end group of the polyamide resin is carboxyl, and the molecular weight is 3000-6000 g/mol.
2. The wear-resistant self-lubricating anti-icing, anti-fogging coating as claimed in claim 1, wherein the wear-resistant self-lubricating anti-icing, anti-fogging coating comprises, by mass, 50-70 parts of a compound represented by formula one, 40-50 parts of polyamide resin, 15-25 parts of a fluorinated phenyl isocyanate curing agent represented by formula two, 2-5 parts of gemini quaternary ammonium salt, 3-6 parts of polyethylene wax, 15-20 parts of a filler, 1-2 parts of a defoaming agent and 1-2 parts of a leveling agent.
3. The wear-resistant self-lubricating anti-icing, anti-fogging coating of claim 1, wherein the Gemini quaternary ammonium salt is a Gemini Gemini quaternary ammonium salt of type 12-3-12.
4. The wear-resistant self-lubricating anti-icing, anti-fogging coating claimed in claim 1, wherein the filler comprises graphite, nano-alumina and nano-silica; the nano silicon dioxide is modified nano silicon dioxide and is prepared by the following method: mixing nano silicon dioxide, ethanol and tetraethoxysilane according to a mass ratio of 10: (5-7): (1-2) mixing, heating to 30-40 ℃, stirring for 1-2h under a magnetic stirrer, removing ethanol, and filtering to obtain the product; the filler comprises graphite, nano-alumina and modified nano-silica, and the mass ratio of the graphite to the nano-alumina to the modified nano-silica is (3-7): (5-8): (8-15).
5. The wear-resistant self-lubricating anti-icing, anti-fogging coating as claimed in claim 1, wherein the melting point of the polyamide resin is 135-145 ℃, and the melt viscosity is not higher than 450 Pa-s at 165 ℃.
6. The wear-resistant self-lubricating anti-icing, anti-fog coating of claim 1 wherein the anti-foaming agent is one or more of tributyl phosphate, methyl silicone oil, ethyl silicone oil, and dimethyl silicone oil.
7. The wear-resistant self-lubricating anti-icing, anti-fogging coating of claim 1, wherein the leveling agent is one or more of a polyacrylate leveling agent, a fluoroacrylate leveling agent, a polyvinylbutyral leveling agent, and an organosilicon leveling agent.
8. The wear-resistant self-lubricating anti-icing, anti-fogging coating according to claim 1, further comprising an auxiliary agent such as a pigment and an antibacterial agent.
9. A process for preparing a self-lubricating wear-resistant anti-icing, anti-fogging coating according to any one of claims 1 to 8, characterised in that it comprises the following steps:
(1) adding the gemini quaternary ammonium salt, the polyethylene wax, the filler, the defoaming agent and the flatting agent into a stirring machine, stirring at 800-900 r/min, and uniformly mixing;
(2) adding the compound shown as the formula I, polyamide resin and the fluorophenyl isocyanate curing agent shown as the formula II into a stirrer, stirring at 800-900 r/min, and uniformly mixing;
(3) and (3) melting and extruding the mixture obtained in the steps (1) and (2), forming into sheets, cooling and crushing into powder.
10. The method for preparing the wear-resistant self-lubricating anti-icing, anti-fogging coating as claimed in claim 9, wherein the temperature of the melting section in the step (3) is 135-145 ℃, and the temperature of the extrusion at the head is 150-160 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286985A (en) * | 2022-01-24 | 2022-11-04 | 扬州工业职业技术学院 | Double-component water-based environment-friendly coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080054058A (en) * | 2006-12-12 | 2008-06-17 | 이화여자대학교 산학협력단 | Novel bi-functional ionic liquids and the preparation method thereof |
| CN102625827A (en) * | 2009-09-07 | 2012-08-01 | 国际壳牌研究有限公司 | Lubricating compositions |
| JP2013006812A (en) * | 2011-06-27 | 2013-01-10 | Neos Co Ltd | Ionic liquid having branched chain fluoroalkyl group |
| CN108610857A (en) * | 2017-05-16 | 2018-10-02 | 浙江炊大王炊具有限公司 | A kind of super wear-resistant unsticky pot coating and preparation method thereof |
| CN109860709A (en) * | 2019-01-11 | 2019-06-07 | 杉杉新材料（衢州）有限公司 | A kind of electrolyte improving lithium ion battery cryogenic property and the lithium ion battery comprising the electrolyte |
| CN109873205A (en) * | 2019-02-27 | 2019-06-11 | 杉杉新材料（衢州）有限公司 | A kind of electrolyte suitable for silicon-carbon cathode and the lithium ion battery comprising the electrolyte |
-
2020
- 2020-06-18 CN CN202010557037.XA patent/CN111454661A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080054058A (en) * | 2006-12-12 | 2008-06-17 | 이화여자대학교 산학협력단 | Novel bi-functional ionic liquids and the preparation method thereof |
| CN102625827A (en) * | 2009-09-07 | 2012-08-01 | 国际壳牌研究有限公司 | Lubricating compositions |
| JP2013006812A (en) * | 2011-06-27 | 2013-01-10 | Neos Co Ltd | Ionic liquid having branched chain fluoroalkyl group |
| CN108610857A (en) * | 2017-05-16 | 2018-10-02 | 浙江炊大王炊具有限公司 | A kind of super wear-resistant unsticky pot coating and preparation method thereof |
| CN109860709A (en) * | 2019-01-11 | 2019-06-07 | 杉杉新材料（衢州）有限公司 | A kind of electrolyte improving lithium ion battery cryogenic property and the lithium ion battery comprising the electrolyte |
| CN109873205A (en) * | 2019-02-27 | 2019-06-11 | 杉杉新材料（衢州）有限公司 | A kind of electrolyte suitable for silicon-carbon cathode and the lithium ion battery comprising the electrolyte |
Non-Patent Citations (1)
| Title |
|---|
| 孙雪娇等: "新型防雾涂料的研究进展", 《涂料工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286985A (en) * | 2022-01-24 | 2022-11-04 | 扬州工业职业技术学院 | Double-component water-based environment-friendly coating |
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