CN113354991A - Water-based environment-friendly coating of synthetic resin powder for tower of wind-driven generator and preparation method of water-based environment-friendly coating - Google Patents
Water-based environment-friendly coating of synthetic resin powder for tower of wind-driven generator and preparation method of water-based environment-friendly coating Download PDFInfo
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- CN113354991A CN113354991A CN202110552796.1A CN202110552796A CN113354991A CN 113354991 A CN113354991 A CN 113354991A CN 202110552796 A CN202110552796 A CN 202110552796A CN 113354991 A CN113354991 A CN 113354991A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
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- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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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
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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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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Abstract
The invention discloses a wind-driven generator tower tube synthetic resin powder water-based environment-friendly paint and a preparation method thereof, wherein the paint is prepared from the following raw materials in parts by weight: 15-20 parts of synthetic resin emulsion, 10-15 parts of carboxymethyl cellulose, 5-10 parts of light calcium carbonate, 5-10 parts of titanium dioxide, 5-10 parts of sierozem powder, 5-10 parts of talcum powder, 10-15 parts of wollastonite powder, 4-8 parts of phlogopite, 3-5 parts of bentonite thickener, 3-5 parts of propylene glycol reagent, 10-15 parts of waterborne polyester resin, 2-3 parts of curing agent, 2-3 parts of catalyst, 5-10 parts of mineral pigment reagent, 5-10 parts of bentonite, 3-5 parts of organic modifier and 5-8 parts of mineral oil. The invention can obviously improve the water resistance, the chemical corrosion resistance and the scratch resistance of the coating, has the characteristics of glossiness, fullness and the like, and adopts organic, environment-friendly and nonhazardous mineral materials to realize the effects of environment protection and no toxicity of the coating.
Description
Technical Field
The invention relates to the technical field of synthetic resin powder water-based environment-friendly paint, in particular to wind power generator tower cylinder synthetic resin powder water-based environment-friendly paint and a preparation method thereof.
Background
The water paint is a kind of paint using water as solvent or as dispersing medium, and is a new type of paint in the paint market, including 3 kinds of water-soluble paint, water-dilutable paint, and water-dispersible paint (latex paint), the water-soluble paint uses water-soluble resin as film-forming material, takes polyvinyl alcohol and its various modified substances as representatives, besides, it also contains water-soluble alkyd resin, water-soluble epoxy resin and inorganic high-molecular water-soluble resin, etc., the water paint has excellent non-stick property and durability, but it needs to pay attention to transportation, storage and antisepsis and anti-poison, and the synthetic resin is a kind of artificially synthesized high-molecular polymer, which is viscous liquid or solid that can be softened by heating, usually has melting or softening temperature range when being heated, can be in plastic flow state under the action of external force, and some properties are similar to those of natural resin.
The coating applied by heating the existing synthetic resin has high toxicity, can generate free formaldehyde, harmful gas and the like to destroy the environment in the using and volatilizing process, and meanwhile, the water-based coating mostly uses high-compound raw materials, generates heavy metals and the like, can cause harm to human bodies, is harmful to manual preparation, has threat to environmental destruction, and provides the water-based environment-friendly coating of the synthetic resin powder for the tower cylinder of the wind driven generator.
Disclosure of Invention
Objects of the invention
The invention aims to provide a water-based environment-friendly coating of synthetic resin powder for a tower of a wind-driven generator and a preparation method thereof, aiming at the defects of the prior art.
The water-based environment-friendly paint for the synthetic resin powder of the tower cylinder of the wind driven generator is prepared from the following raw materials in parts by weight: 15-20 parts of synthetic resin emulsion, 10-15 parts of carboxymethyl cellulose, 5-10 parts of light calcium carbonate, 5-10 parts of titanium dioxide, 5-10 parts of sierozem powder, 5-10 parts of talcum powder, 10-15 parts of wollastonite powder, 4-8 parts of phlogopite, 3-5 parts of bentonite thickener, 3-5 parts of propylene glycol reagent, 10-15 parts of waterborne polyester resin, 2-3 parts of curing agent, 2-3 parts of catalyst, 5-10 parts of mineral pigment reagent, 5-10 parts of bentonite, 3-5 parts of organic modifier and 5-8 parts of mineral oil.
Preferably, the catalyst is one or two of a CUCAT-U2 polyurethane catalyst, a BCAT-E20 polyurethane catalyst, a BCAT-E25A polyurethane catalyst, a BCAT-E28A polyurethane catalyst and a ZCAT-EX16 polyurethane catalyst.
Preferably, the curing agent is one or two of m-xylylenediamine MAMA, hexamethylenediamine modified substance AMINE248, hexamethylenediamine adduct and diaminodiphenylmethane DDMHT-972.
Preferably, the organic modifier is one or two of octadecyl trimethyl ammonium bromide, hexadecyl dimethyl benzyl ammonium bromide, hexadecyl pyridine chloride, sodium dodecyl sulfate and sodium dodecyl benzene sulfonate.
Preferably, the propylene glycol reagent is one or a combination of two of 2-propylene glycol, 2-dihydroxypropane, alpha-propylene glycol, propylene oxide and polyethylene glycol.
Preferably, the catalyst is a homogeneous catalyst, and the homogeneous catalyst comprises one or two of a liquid acid catalyst, a liquid base catalyst, a chromonesia solid acid catalyst and a chromonesia solid base catalyst.
Preferably, the synthetic resin emulsion is one or two of a methacrylic resin emulsion, a methyl methacrylate resin emulsion and a polyvinyl acetate emulsion resin emulsion.
Preferably, the mineral oil is one or two of industrial white oil, medical white oil, hydrocarbon mineral oil and gas oil, and the mineral oil contains a defoaming agent and a softening agent.
A preparation method of a wind-driven generator tower tube synthetic resin powder water-based environment-friendly paint comprises the following steps:
s1: according to the weight parts, 15-20 parts of synthetic resin emulsion and 10-15 parts of waterborne polyester resin are placed into a stirrer to be stirred for 20-30min, the rotating speed of the stirrer is kept at 150r/min, 30-35 parts of hydroxymethyl cellulose is added when the stirring is carried out for 10-15min, 2-3 parts of catalyst is added when the stirring is carried out for 15-20min, 2-3 parts of curing agent is added after the stirring is finished to obtain a mixed material A, and then natural cooling solidification is carried out for 30-50 min;
s2: adding 5-10 parts of light calcium carbonate, 5-10 parts of titanium dioxide, 5-10 parts of ash calcium powder and a proper amount of purified water into a stirrer for stirring, wherein the stirring time is 50-60min, the stirring speed is 300-400r/min, adding 3-5 parts of propylene glycol reagent when the stirring time is 20-30min, and stirring until the mixture is viscous to obtain a material B;
s3: adding 5-10 parts of talcum powder, 10-15 parts of wollastonite powder, 4-8 parts of phlogopite and a proper amount of purified water into a stirrer, stirring for 15-20min at a stirring speed of 150-;
s4: placing 5-10 parts of bentonite and a proper amount of purified water into a crucible for roasting, wherein the roasting temperature is 200-300 ℃, the roasting time is 5-8min, adding 3-5 parts of an organic modifier when roasting is carried out for 3-5min, adding 3-5 parts of a bentonite thickener after the roasting is finished, and then naturally cooling for 20-30min to obtain the organically modified bentonite;
s5: after the cooling of the organic modified bentonite is finished, placing the organic modified bentonite into an experimental dish, and adding 5-8 parts of mineral oil into the experimental dish for soaking and absorption of the organic modified bentonite for 10-20 min;
s6: putting the mixed material A, the material B, the material C and the organic modified bentonite into a heating box, heating and dissolving for 20-25min, and maintaining the heating temperature at 75-90 ℃;
s7: collecting the heated and dissolved mixed materials, introducing the mixed materials into a stirrer for stirring, wherein the stirring time is 20-30min, the stirring speed is 200-250r/min, then adding 5-8 parts of mineral oil, and stirring to a proper viscous state to obtain a synthetic resin coating;
s8: taking out the synthetic resin coating, drying, grinding into powder to obtain the synthetic resin powder water-based environment-friendly coating, wherein the drying time is 4-5h, and the drying temperature is maintained at 60-80 ℃.
Preferably, the preparation method of the organic modified bentonite comprises the following steps:
s1: preparing a clean crucible, an alcohol blast lamp, a glass guide rod, 5-10 parts of bentonite, a proper amount of purified water, 3-5 parts of an organic modifier and 3-5 parts of a bentonite thickener;
s2: placing a clean crucible above an alcohol blast burner, then igniting the alcohol blast burner, pouring 5-10 parts of bentonite and a proper amount of purified water into the crucible after the temperature in the crucible reaches 80-90 ℃, maintaining the heating temperature of the alcohol blast burner on the crucible at 200-300 ℃, and naturally roasting for 5-8 min;
s3: adding 3-5 parts of organic modifier when roasting is carried out for 3-5min, simultaneously properly stirring the organic modifier by using a glass guide rod, adding 3-5 parts of bentonite thickener when roasting is carried out for 7-8min, properly stirring the bentonite thickener, then taking out the organic modified bentonite in the crucible and naturally cooling for 20-30 min;
s4: after the organic modified bentonite is naturally cooled, placing the naturally cooled organic modified bentonite in a laboratory dish, pouring 5-8 parts of mineral oil to soak and absorb the organic modified bentonite in the laboratory dish, wherein the soaking time is 10-20 min.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
1. the basic principle of the organic modified bentonite is to organize the bentonite, replace exchangeable cations or structural water between layers of the bentonite by using organic functional groups or organic matters, further form organic compound bentonite combined by covalent bonds, ionic bonds, coupling bonds or Van der Waals force, and the organic modifier has ion exchange effect with cations such as calcium, sodium and the like in the bentonite through ion exchange effect, so that organic components are introduced into the bentonite, the modified bentonite is changed from hydrophilic oleophobic property to oleophilic hydrophobic property, and the organic modification not only can increase and change the interlayer distance of the bentonite, but also can enhance the capability of removing organic matters.
2. The organic bentonite is prepared by modifying natural bentonite through an organic modifier, the common organic modifier of the bentonite is a quaternary ammonium salt type cation modifier, the main action mechanism is that quaternary ammonium salt cations enter the interlayer of the bentonite, so that the interlayer spacing of the organic bentonite is increased, the hydrophobicity of the organic bentonite is improved, the organic matter removing capacity of the bentonite is enhanced, the pore diameter of the cross-linked bentonite is adjustable, the cross-linked bentonite is uniformly distributed, the cross-linked bentonite has better adsorption performance, can be used for treating ionic or non-ionic pollutants in water, and meanwhile, mineral oil is added for soaking, the organic modified bentonite has stable property and is not easy to denature, and the service life of the coating is prolonged.
3. The aromatic organic modifier is non-hydrolysis resistant, has good compatibility with the curing agent, increases the functionality of the curing agent, can obviously improve the water resistance, chemical corrosion resistance and scratch resistance of the coating, has the characteristics of glossiness, fullness and the like, adopts the phlogopite of aluminum silicate such as potassium aluminum or potassium magnesium iron and the like, increases the transparency and elasticity of the coating, and has heat resistance, acid and alkali resistance and excellent insulativity.
4. The environment-friendly and nontoxic effect of the coating is realized by adopting organic environment-friendly and nontoxic mineral materials such as carboxymethyl cellulose, light calcium carbonate, titanium dioxide, sierozem powder, talcum powder, wollastonite powder 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 with reference to the following embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1: water-based environment-friendly paint for synthetic resin powder of tower cylinder of wind-driven generator
The feed comprises the following raw materials in parts by weight: 15 parts of synthetic resin emulsion, 10 parts of carboxymethyl cellulose, 5 parts of light calcium carbonate, 7 parts of titanium dioxide, 5 parts of sierozem powder, 5 parts of talcum powder, 10 parts of wollastonite powder, 4 parts of phlogopite, 3 parts of bentonite thickener, 3 parts of propylene glycol reagent, 10 parts of waterborne polyester resin, 2 parts of curing agent, 2 parts of catalyst, 5 parts of mineral pigment reagent, 5 parts of bentonite, 4 parts of organic modifier and 5 parts of mineral oil.
The preparation method comprises the following steps: weighing 15 parts of synthetic resin emulsion, 10 parts of waterborne polyester resin, 10 parts of hydroxymethyl cellulose, 2 parts of catalyst, 2 parts of curing agent, 5 parts of light calcium carbonate, 7 parts of titanium dioxide, 5 parts of sierozem powder, 3 parts of propylene glycol reagent, 5 parts of talcum powder, 10 parts of wollastonite powder, 4 parts of phlogopite, 5 parts of mineral pigment reagent and 5 parts of mineral oil according to the proportion;
1. placing 15 parts of synthetic resin emulsion and 10 parts of waterborne polyester resin into a stirrer for stirring, wherein the stirring time is 20-30min, the rotating speed of the stirrer is kept at 100-150r/min, adding 10 parts of hydroxymethyl cellulose when stirring for 10-15min, adding 2 parts of catalyst when stirring for 15-20min, adding 2 parts of curing agent after stirring to obtain a mixed material A, and then naturally cooling and curing for 30-50 min;
2. adding 5 parts of light calcium carbonate, 7 parts of titanium dioxide, 5 parts of ash calcium powder and a proper amount of purified water into a stirrer, stirring for 50-60min at the stirring speed of 300-400r/min, adding 3 parts of propylene glycol reagent when the stirring time reaches 20-30min, and stirring to a viscous state to obtain a material B;
3. adding 5 parts of talcum powder, 10 parts of wollastonite powder, 4 parts of phlogopite and a proper amount of purified water into a stirrer, stirring for 15-20min at the stirring speed of 150-;
4. heating and dissolving materials A, B and C to obtain synthetic resin coating, taking out the synthetic resin, drying, grinding into powder, and keeping the drying temperature at 60-80 deg.C for 4-5 h.
Example 2: water-based environment-friendly paint for synthetic resin powder of tower cylinder of wind-driven generator
The mixture ratio is the same as that of the example 1, except that the organic modified bentonite is prepared by the following specific preparation method: weighing 10 parts of bentonite, 5 parts of an organic modifier, 5 parts of a bentonite thickener, 8 parts of mineral oil, 10 parts of a mineral pigment reagent, 10 parts of a synthetic resin emulsion, 10 parts of carboxymethyl cellulose, 10 parts of light calcium carbonate, 10 parts of titanium dioxide, 10 parts of sierozem powder and 12 parts of wollastonite powder according to a ratio;
1. placing 5 parts of bentonite and a proper amount of purified water into a crucible for roasting, wherein the roasting temperature is 200-300 ℃, the roasting time is 5-8min, adding 5 parts of an organic modifier when roasting is carried out for 3-5min, adding 5 parts of a bentonite thickener after roasting is finished, and then naturally cooling for 20-30min to obtain an organic modified bentonite primary body;
2. after the primary body of the organic modified bentonite is cooled, placing the primary body of the organic modified bentonite into an experimental dish, and adding 8 parts of mineral oil into the experimental dish for soaking and absorbing the primary body of the organic modified bentonite for 10-20 min;
3. putting 10 parts of synthetic resin emulsion, 10 parts of light calcium carbonate, 10 parts of titanium dioxide, 10 parts of sierozem powder, 12 parts of wollastonite powder and a proper amount of purified water into a stirrer for stirring, wherein the stirring time is 10-15min, and the stirring speed is 300 plus 350r/min, so as to obtain mixed liquid;
4. and then pouring the primary organic modified bentonite and the mixed liquid obtained after stirring into a stirrer for stirring, wherein the stirring time is 20-30min, the stirring speed is 200-250r/min, then adding 8 parts of mineral oil, and stirring to a proper viscous state to obtain the organic modified bentonite.
Comparative example: water-based environment-friendly paint for synthetic resin powder of tower cylinder of wind-driven generator
The mixture ratio is the same as that of the example 1, the difference is the component change, and the specific preparation method is as follows:
weighing 15 parts of synthetic resin emulsion, 9 parts of waterborne polyester resin, 10 parts of hydroxymethyl cellulose, 2 parts of catalyst, 2 parts of curing agent, 9 parts of light calcium carbonate, 9 parts of titanium dioxide, 9 parts of sierozem powder, 2 parts of propylene glycol reagent, 5 parts of talcum powder, 15 parts of wollastonite powder, 4 parts of phlogopite, 4 parts of mineral pigment reagent and 5 parts of mineral oil according to the proportion;
1. placing 15 parts of synthetic resin emulsion and 9 parts of waterborne polyester resin into a stirrer for stirring, wherein the stirring time is 20-30min, the rotating speed of the stirrer is kept at 100-150r/min, adding 10 parts of hydroxymethyl cellulose when stirring for 10-15min, adding 2 parts of catalyst when stirring for 15-20min, adding 2 parts of curing agent after stirring to obtain a mixed material A, and then naturally cooling and curing for 30-50 min;
2. adding 9 parts of light calcium carbonate, 9 parts of titanium dioxide, 9 parts of ash calcium powder and a proper amount of purified water into a stirrer, stirring for 50-60min at the stirring speed of 300-40r/min, adding 2 parts of propylene glycol reagent when the stirring time reaches 20-30min, and stirring until the mixture is viscous to obtain a material B;
3. adding 5 parts of talcum powder, 15 parts of wollastonite powder, 4 parts of phlogopite and a proper amount of purified water into a stirrer, stirring for 15-20min at the stirring speed of 150-;
4. heating and dissolving materials A, B and C to obtain synthetic resin coating, taking out the synthetic resin, drying, grinding into powder, and keeping the drying temperature at 60-80 deg.C for 4-5 h.
The environmental protection and corrosion resistance of the materials obtained in the above examples 1-2 and comparative examples were tested, and the test shows that the content of harmful substances in the synthetic resin water-based paint of the present invention is significantly lower than the national corresponding product standard (see table one), and the test method is as follows: respectively and uniformly coating the materials obtained in the embodiment 1 and the embodiment 2 on the surfaces of two plastic plates, placing the plastic plates coated with the same materials in a detection box, placing a harmful gas detection generator in the box, placing the plastic plates coated with the materials in the detection box for 24-36h, and after placing, dropwise adding strong acid liquid with different acidity on the plastic plates coated with different materials to measure the thickness of the coating at different dropwise adding positions (see table II).
Watch 1
| Detecting items | Unit of | Standard requirements | The result of the detection | Conclusion |
| Toxic compounds | g | ≤200 | 117 | Qualified |
| Free formaldehyde | g | ≤0.1 | 0.045 | Qualified |
| Soluble lead | mg | ≤90 | 37 | Qualified |
| Soluble mercury | mg | ≤60 | 19 | Qualified |
Watch two
| Concentration of | Unit of | Examples 1 to 2 | Comparative example |
| 25％ | mm | 0.346 | 0.419 |
| 45％ | mm | 0.532 | 0.763 |
| 65％ | mm | 0.931 | 1.236 |
| 85％ | mm | 1.596 | 2.663 |
From the first table and the second table, the content of the volatile harmful substances in the synthetic resin water-based paint is lower than the corresponding national standard, and meanwhile, toxic compounds, formaldehyde, soluble lead and soluble mercury are in the standard range, so that the paint has environmental protection performance and can effectively protect air and environment.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.
Claims (10)
1. The water-based environment-friendly paint for the synthetic resin powder of the tower cylinder of the wind driven generator is characterized by comprising the following raw materials in parts by weight: 15-20 parts of synthetic resin emulsion, 10-15 parts of carboxymethyl cellulose, 5-10 parts of light calcium carbonate, 5-10 parts of titanium dioxide, 5-10 parts of sierozem powder, 5-10 parts of talcum powder, 10-15 parts of wollastonite powder, 4-8 parts of phlogopite, 3-5 parts of bentonite thickener, 3-5 parts of propylene glycol reagent, 10-15 parts of waterborne polyester resin, 2-3 parts of curing agent, 2-3 parts of catalyst, 5-10 parts of mineral pigment reagent, 5-10 parts of bentonite, 3-5 parts of organic modifier and 5-8 parts of mineral oil.
2. The water-based environment-friendly paint of synthetic resin powder for the tower of the wind power generator as claimed in claim 1, wherein the catalyst is one or two of CUCAT-U2 polyurethane catalyst, BCAT-E20 polyurethane catalyst, BCAT-E25A polyurethane catalyst, BCAT-E28A polyurethane catalyst and ZCAT-EX16 polyurethane catalyst.
3. The water-based environment-friendly paint for the synthetic resin powder of the tower barrel of the wind-driven generator as claimed in claim 1, wherein the curing agent is one or two of m-xylylenediamine (MAMA), a hexamethylenediamine modified product (AMINE 248), a hexamethylenediamine adduct and diaminodiphenylmethane (DDMHT-972).
4. The water-based environment-friendly paint as claimed in claim 1, characterized in that the organic modifier is one or two of octadecyl trimethyl ammonium bromide, hexadecyl dimethyl benzyl ammonium bromide, hexadecyl pyridine chloride, sodium dodecyl sulfate and sodium dodecyl benzene sulfonate.
5. The water-based environment-friendly paint of synthetic resin powder for a tower of a wind power generator as claimed in claim 1, wherein the propylene glycol reagent is one or two of 2-propylene glycol, 2-dihydroxypropane, alpha-propylene glycol, propylene oxide and polyethylene glycol.
6. The water-based environment-friendly paint for the synthetic resin powder of the tower barrel of the wind-driven generator as claimed in claim 1, wherein the catalyst is a homogeneous catalyst, and the homogeneous catalyst comprises one or two of a liquid acid catalyst, a liquid base catalyst, a chromocor solid acid catalyst and a chromocor solid base catalyst.
7. The water-based environment-friendly paint for the synthetic resin powder of the tower barrel of the wind-driven generator as claimed in claim 1, wherein the synthetic resin emulsion is one or two of methacrylic resin emulsion, methyl methacrylate resin emulsion and polyvinyl acetate emulsion resin emulsion.
8. The water-based environment-friendly paint of synthetic resin powder for a tower of a wind power generator as claimed in claim 1, wherein the mineral oil is one or two of industrial-grade white oil, medical-grade white oil, hydrocarbon mineral oil and gas oil, and the mineral oil contains a defoaming agent and a softening agent.
9. The preparation method of the water-based environment-friendly paint of the synthetic resin powder for the tower of the wind-driven generator as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
s1: according to the weight parts, 15-20 parts of synthetic resin emulsion and 10-15 parts of waterborne polyester resin are placed into a stirrer to be stirred for 20-30min, the rotating speed of the stirrer is kept at 150r/min, 30-35 parts of hydroxymethyl cellulose is added when the stirring is carried out for 10-15min, 2-3 parts of catalyst is added when the stirring is carried out for 15-20min, 2-3 parts of curing agent is added after the stirring is finished to obtain a mixed material A, and then natural cooling solidification is carried out for 30-50 min;
s2: adding 5-10 parts of light calcium carbonate, 5-10 parts of titanium dioxide, 5-10 parts of ash calcium powder and a proper amount of purified water into a stirrer for stirring, wherein the stirring time is 50-60min, the stirring speed is 300-400r/min, adding 3-5 parts of propylene glycol reagent when the stirring time is 20-30min, and stirring until the mixture is viscous to obtain a material B;
s3: adding 5-10 parts of talcum powder, 10-15 parts of wollastonite powder, 4-8 parts of phlogopite and a proper amount of purified water into a stirrer, stirring for 15-20min at a stirring speed of 150-;
s4: placing 7-10 parts of bentonite and a proper amount of purified water into a crucible for roasting, wherein the roasting temperature is 200-300 ℃, the roasting time is 5-8min, adding 3-5 parts of an organic modifier when roasting is carried out for 3-5min, adding 3-5 parts of a bentonite thickener after the roasting is finished, and then naturally cooling for 20-30min to obtain the organically modified bentonite;
s5: after the cooling of the organic modified bentonite is finished, placing the organic modified bentonite into a laboratory dish, and adding 10-20 parts of mineral oil into the laboratory dish for soaking and absorption of the organic modified bentonite, wherein the soaking time is 10-20 min;
s6: putting the mixed material A, the material B, the material C and the organic modified bentonite into a heating box, heating and dissolving for 20-25min, and maintaining the heating temperature at 75-90 ℃;
s7: collecting the heated and dissolved mixed materials, introducing the mixed materials into a stirrer for stirring, wherein the stirring time is 20-30min, the stirring speed is 200-250r/min, then adding 0-15 parts of mineral oil, and stirring to a proper viscous state to obtain a synthetic resin coating;
s8: taking out the synthetic resin coating, drying, grinding into powder to obtain the synthetic resin powder water-based environment-friendly coating, wherein the drying time is 4-5h, and the drying temperature is maintained at 60-80 ℃.
10. The preparation method of the water-based environment-friendly paint of synthetic resin powder for the tower of the wind-driven generator as claimed in claim 9, wherein the preparation method of the organically modified bentonite comprises the following steps:
s1: preparing a clean crucible, an alcohol blast lamp, a glass guide rod, 7-10 parts of bentonite, a proper amount of purified water, 3-5 parts of an organic modifier and 3-5 parts of a bentonite thickener;
s2: placing a clean crucible above an alcohol blast burner, then igniting the alcohol blast burner, pouring 7-10 parts of bentonite and a proper amount of purified water into the crucible after the temperature in the crucible reaches 80-90 ℃, maintaining the heating temperature of the alcohol blast burner to the crucible at 200-300 ℃, and naturally roasting for 5-8 min;
s3: adding 3-5 parts of organic modifier when roasting is carried out for 3-5min, simultaneously properly stirring the organic modifier by using a glass guide rod, adding 3-5 parts of bentonite thickener when roasting is carried out for 7-8min, properly stirring the bentonite thickener, then taking out the organic modified bentonite in the crucible and naturally cooling for 20-30 min;
s4: after the organic modified bentonite is naturally cooled, placing the naturally cooled organic modified bentonite in a laboratory dish, pouring 10-20 parts of mineral oil to soak and absorb the organic modified bentonite in the laboratory dish, wherein the soaking time is 10-20 min.
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| CN202110552796.1A CN113354991A (en) | 2021-05-20 | 2021-05-20 | Water-based environment-friendly coating of synthetic resin powder for tower of wind-driven generator and preparation method of water-based environment-friendly coating |
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