CN110760228A - Water-based environment-friendly corrugated paint and preparation method thereof - Google Patents
Water-based environment-friendly corrugated paint 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
- 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
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
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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
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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
- C09D7/65—Additives macromolecular
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention belongs to the technical field of paint preparation, and relates to a water-based environment-friendly corrugated paint which can be applied to coating of automotive interiors and metal products, and comprises the following components in parts by weight: 30-60 parts of water-based acrylic resin; 0.5-5 parts of water-based surface active polymer; 3-30 parts of water-based pigment and filler. The invention can effectively solve the problems that the prior domestic oily ripple paint contains silicon compounds which can pollute the production and construction environment of the paint due to the addition of the ripple agent in the manufacturing process, so that the defects of orange peel, oil spots, shrinkage cavity and the like of a paint film can be generated when other paints except the ripple paint are sprayed, so that special equipment and plants need to be called in the actual production and construction processes, and a large amount of solvent is needed for cleaning after construction, thereby wasting resources and polluting the environment and increasing the production and construction costs of products; the preparation method of the invention has simple process and is suitable for industrial production.
Description
Technical Field
The invention belongs to the technical field of paint preparation, and particularly relates to water-based environment-friendly corrugated paint applicable to coating of automotive interiors and metal products, and a preparation method and application thereof.
Background
Ripple paint, also known as crepe paint. The paint has the same effect as corrugation, strong adhesion, quick drying, strong corrugation stereo perception, better decorative effect than other finish paints, and can cover general rough substrates, and the corrugation paint is a novel high-grade industrial art paint which is used by various domestic mechanical manufacturers at present. The existing domestic corrugated paint manufacturing process needs to add a corrugating agent, and the corrugating agent is a key link for producing a corrugating effect on the paint surface. However, the addition of the corrugating agent in the paint causes silicon compounds in the corrugating agent to pollute the production and construction environment of the paint, and the paint film has the defects of orange peel, oil spots, shrinkage cavity and the like when other paints except the corrugated paint are sprayed. Therefore, in the production and construction processes, special equipment and plants need to be called, and a large amount of solvent needs to be used for cleaning after construction, so that resources are wasted, the environment is polluted, and the production and construction costs of products are increased. In view of the above, it is necessary to provide an aqueous environmentally friendly corrugated paint and a preparation method thereof to replace the oily corrugated paint.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an aqueous environment-friendly corrugated paint to replace an oil corrugated paint. The invention uses the water-based surface active polymer to replace the corrugating agent, and the corrugating agent is reasonably matched with the water-based paint. The mechanism of the production of the aqueous surface-active polymer is: when the coating is in a flat state, the surface tension of the water-based surface active polymer is smaller than that of a normal coating film of the coating, the active polymer dispersed at each point of the coating film changes the local tension of the coating film, a pit is formed at a position with a small surface, and finally the surface of the coating film is distributed in a concave shape to present a ripple effect.
In order to achieve the above object, one aspect of the present invention employs the following technical solutions:
the water-based environment-friendly corrugated paint can be applied to the coating of automotive interiors and metal products and comprises the following components in parts by weight:
preferably, in another aspect, the present invention provides an aqueous environmentally friendly ripple paint, further comprising the following components in parts by weight:
2-5 parts of a water-based auxiliary agent;
10-30 parts of an aqueous solvent.
The above raw materials are all commercially available.
Preferably, the water-based resin is one or more of water-based acrylic resin, water-based saturated polyester resin, water-based cellulose acetate resin, water-based amino resin and water-based alkyd resin;
preferably, the water-based pigment is one or more of water-based titanium dioxide, water-based carbon black and water-based iron oxide; the water-based filler is one or more of water-based barium sulfate, water-based talcum powder and water-based calcium carbonate;
preferably, the water-based surface active polymer is one or more of water-based polyacrylate polymer, water-based high-carbon fatty acid methyl ester, water-based tripolyphosphate, water-based alkyl glycoside salt, water-based fluorine-modified acrylate polymer and water-based siloxane polymer;
preferably, the aqueous auxiliary agent comprises one or more of an aqueous advection agent, an aqueous defoaming agent, an aqueous wetting dispersant and an aqueous anti-settling agent.
Preferably, the aqueous auxiliary agent comprises the following components in parts by weight:
the aqueous auxiliary agent also comprises special auxiliary agent XZW 001; the auxiliary agent is organic fluorine modified acrylic emulsion, and is prepared and synthesized, so that the surface energy of the film is greatly reduced in the emulsion film forming process, the film cannot be wetted by water, and the adhesive force of the water-based environment-friendly corrugated paint can be increased, the water resistance is improved and the surface corrugation effect is more uniform due to the addition of the water-based environment-friendly corrugated paint with excellent hydrophobic property. The preparation method comprises the following steps:
(1) weighing 85 parts of deionized water, mixing with 0.4 part of lauryl sodium sulfate serving as an emulsifier, 0.9 part of latex S180A 0.9 parts of a reactive emulsifier, 10.2 parts of methyl methacrylate, 9.8 parts of butyl acrylate, 0.2 part of α -methacrylic acid, 0.5 part of fumed silica and 0.5 part of nano diatomite according to parts by weight, stirring strongly to emulsify the mixture into a pre-emulsion, dissolving 0.3 part of ammonium persulfate in a proper amount of water to prepare an initiator solution, and reserving 5g of the initiator solution for later use;
(2) adding 1/5 parts by weight of pre-emulsion into a four-necked bottle provided with a reflux condenser, a stirrer and a partial pressure funnel, heating the mixture to 80 ℃ in a water bath, adding 8g of initiator solution, and stirring the mixture to react; when the liquid in the reactor changes from white to blue, which indicates that the polymerization reaction starts, the pre-emulsion and the initiator solution are dripped; when 1/3 parts by weight of the pre-emulsion are left, 4 parts of the weighed dodecafluoroheptyl methacrylate are mixed into the pre-emulsion, and then the mixture is dripped into the reactor, and the whole dripping time is controlled to be 3-4 h; and after all the pre-emulsion is dripped, adding 5g of initiator solution reserved for one time, carrying out heat preservation reaction at the original temperature of 80 ℃ for 1h, then cooling to below 40 ℃, adjusting the pH value to 7-8 by using ammonia water, filtering and discharging.
The water-based solvent is one or more of deionized water, dipropylene glycol methyl ether, diethylene glycol butyl ether, dipropylene glycol butyl ether, propylene glycol methyl ether and ethylene glycol butyl ether.
The invention also aims to provide a preparation method of the water-based environment-friendly corrugated paint, which is simple in preparation process and suitable for industrial production.
A preparation method of water-based environment-friendly corrugated paint comprises the following steps:
(1) premixing: adding 25-60 parts by weight of water-based resin into a dispersion cylinder for stirring; then slowly adding 10-30 parts by weight of aqueous solvent, 2-5 parts by weight of aqueous auxiliary agent, 0.5-5 parts by weight of aqueous surface active polymer and 5-30 parts by weight of aqueous pigment filler in turn, and stirring for 30-60 minutes (min);
(2) grinding: grinding and premixing the uniform slurry fineness to be less than or equal to 10 mu m by using a sand mill;
(3) preparing paint: and respectively adding the rest of aqueous resin and aqueous auxiliary agent into the ground slurry, adding deionized water, stirring for 10-30min, and filtering to obtain the aqueous environment-friendly corrugated paint.
Preferably, the stirring speed in the step (1) is: 800-; the stirring speed in the step (2) is as follows: 500-700 r/min; the stirring speed in the step (3) is as follows: 600 and 800 r/min.
The invention also provides the application of the water-based environment-friendly corrugated paint: the water-based environment-friendly corrugated paint is used for coating automotive interiors and metal products, and comprises the following steps:
(1) spraying the water-based environment-friendly corrugated paint on the surfaces of automotive interiors and metal products, and leveling for 10-15 minutes (min);
(2) and baking the metal plate coated with the water-based environment-friendly corrugated paint at 70-80 ℃ for 45-60min, cooling to room temperature after baking, and standing for 24-72 hours.
The adhesive force of the water-based environment-friendly corrugated paint is 100/100; 100/100 after 3 cycles.
After the water-based environment-friendly corrugated paint is subjected to a water resistance test with the test water temperature of 40 ℃ and the test time of 10 days (40 ℃ multiplied by 10d), the water-based environment-friendly corrugated paint coating of the metal plate does not foam or change color, and the water-based environment-friendly corrugated paint has the adhesive force of 100/100.
The invention has the following advantages and beneficial effects:
(1) the addition of the water-based surface active polymer to replace a corrugating agent can not cause secondary pollution of the corrugated paint in the production and construction processes of the water-based corrugated paint, does not need special corrugated paint production and construction equipment and places, does not need to consume a large amount of solvent for cleaning, can save energy, reduce emission and reduce cost, and finally breaks through the problem of environmental pollution caused by the oil-based corrugated paint. The product is prepared by using water-based raw materials, has no pollution to the environment and is harmless to personnel.
(2) The surface of the coating film has uneven patterns, so that the appearance stereoscopic impression is strong, the mechanical property is excellent, and the lines reappear stably.
(3) Compared with the oily corrugated paint, the water-based corrugated paint disclosed by the invention is longer in weather resistance, better in salt spray and more resistant to scratching and rubbing.
(4) The preparation method of the water-based environment-friendly corrugated paint provided by the invention is simple in preparation process and suitable for industrial production.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In the case where the objects of the present invention are illustrated and explained by the following examples, the components of the composition are all explained on the general standard of parts by weight. In the present invention, the term "part" is used in the same sense as part by weight for the sake of brevity without specific mention.
Aqueous resin in the examples of the present invention: NeoCryl XK-110 waterborne resins were obtained from Dismann
Pigments in the examples of the invention: MA100 carbon Black from Mitsubishi, Japan
Aqueous surface-active polymers in the examples of the invention: HM-6 surfactants were purchased from Hamming Silybi chemical Co., Ltd
The following reagents can be selected as the auxiliary agents in the embodiment of the invention:
the auxiliary agents in the embodiment of the invention are as follows: BYK190 was purchased from Bick chemical, Germany
The auxiliary agents in the embodiment of the invention are as follows: BYK028 from Bick chemical, Germany
The auxiliary agents in the embodiment of the invention are as follows: TEGO270 from Digao Germany
The auxiliary agents in the embodiment of the invention are as follows: bengel908 Organobentonite was purchased from Hamming Silybi chemical Co., Ltd
Deionized water in the examples of the present invention: preparation of deionized Water Equipment, MOLSUN320D, available from Chongqing Mole Water treatment Co., Ltd
The auxiliary agents in the embodiment of the invention are as follows: the special auxiliary XZW001 was prepared by the laboratory itself. The preparation method comprises the following steps:
weighing 10 parts by weight of deionized water, mixing with an emulsifier (0.4 part of sodium dodecyl sulfate and 0.9 part of reactive emulsifier LatemulS180A 0.9), 10.2 parts of methyl methacrylate, 9.8 parts of butyl acrylate, 0.2 part of α -methacrylic acid, 0.5 part of fumed silica and 0.5 part of nano diatomite, stirring strongly to emulsify into a pre-emulsion, dissolving 0.3 part of ammonium persulfate into a proper amount of water to prepare an initiator solution, reserving 5g of the initiator solution for later use, adding 1/5 parts by mass of the pre-emulsion into a four-necked bottle provided with a reflux condenser, a stirrer and a funnel, heating in a water bath to 80 ℃, then adding 8g of the initiator solution, stirring to react, beginning a polymerization reaction when the liquid in the reactor changes from white to blue, starting dropwise adding the pre-emulsion and the initiator solution, when the pre-emulsion is remained 1/3 parts by mass, dropwise adding 4 parts of the weighed dodecafluoroheptyl methacrylate into the pre-emulsion, then dropwise adding the pre-emulsion into the reactor for the whole time of 3-4 hours, cooling the pre-emulsion for the whole time of dropwise adding the aqueous ammonia solution, and adjusting the aqueous phase of the aqueous phase after the aqueous phase of the aqueous phase, and adding the aqueous phase of the aqueous phase at a temperature of the aqueous.
Example 1
Table 1 example 1 parts by weight of raw materials
The preparation method of the water-based environment-friendly corrugated paint in the embodiment comprises the following steps:
(1) premixing: adding 50 parts by weight of water-based resin into a dispersion cylinder and stirring; then, 2 parts by weight of BYK190, 0.2 part by weight of BYK028, 1 part by weight of BENGEL908 organic bentonite, 0.3 part by weight of TEGO270, 0.6 part by weight of DMAE, 10 parts by weight of deionized water, 1.4 parts by weight of a water-based surface active polymer, 1.5 parts by weight of a special auxiliary agent XZW001, 5 parts by weight of DPM,10 parts by weight of PGDA and 4 parts by weight of MA100 are slowly added in sequence, and stirred for 30-60 minutes (min);
(2) grinding: grinding and premixing the uniform slurry fineness to be less than or equal to 10 mu m by using a sand mill;
(3) preparing paint: respectively adding the rest 10 parts by weight of water-based resin and 4 parts by weight of deionized water into the ground slurry, stirring for 10-30min, and filtering to obtain the water-based environment-friendly corrugated paint;
the performance test method and the results of the application of the water-based environment-friendly corrugated paint prepared in the embodiment 1 to the coating of automotive interiors and metal products are as follows:
1. test panel preparation comprising the steps of:
(1) the water-based environment-friendly corrugated paint is prepared by the following steps of: adding 1 part by weight of WD5417 water-based curing agent, adding deionized water, adjusting the viscosity to 40-50 seconds, and spraying the mixture on a metal plate for automotive interiors, metal products or steel, wherein a rock field 101 type spray gun is adopted in the spraying step, the spraying pressure is 0.4MPa, the dry film thickness is controlled to be 30-40 mu m, and the leveling time is 10-15 minutes (min);
(2) and baking the metal plate coated with the water-based environment-friendly corrugated paint at 70-80 ℃ for 45-60min, cooling to room temperature after baking, and standing for 24-72 hours.
2. Detection performance:
the detection method of the performance of the water-based environment-friendly corrugated paint is shown in the table 2:
TABLE 2 Performance test method
Example 1 Properties are shown in Table 3
Table 3 properties of example 1
As can be seen from Table 3, the waterborne environmental-friendly corrugated paint prepared in example 1 has excellent performance, and the performance meets the requirements of the coating process of automotive interiors and metal products: that is, the adhesive force is 100/100 after baking at 80 ℃ for 45min, the adhesive force is 100/100 after recoating for 3 times, and the adhesive force is 100/100 after circulating for 3 times. After the water-resistant environment-friendly corrugated paint is subjected to a water resistance test with the test water temperature of 40 ℃ for 10 days (40 ℃ multiplied by 10d), the composite coating of the test sample plate metal plate does not foam or change color, and the adhesive force of the water-based environment-friendly corrugated paint reaches 100/100.
Comparative example 1
Table 4 comparative example 1 raw material parts by weight
Comparative example 1 was prepared in the same manner as in example 1;
the performance test method and results of the application of the water-based environment-friendly corrugated paint prepared in the comparative example 1 to the coating of automotive interiors and metal products are as follows:
1. test panel preparation comprising the steps of:
(1) the water-based environment-friendly corrugated paint is prepared by the following steps of: adding 1 part by weight of WD5417 water-based curing agent, adding deionized water, adjusting the viscosity to 40-50 seconds, and spraying the mixture on a metal plate for automotive interiors, metal products or steel, wherein a rock field 101 type spray gun is adopted in the spraying step, the spraying pressure is 0.4MPa, the dry film thickness is controlled to be 30-40 mu m, and the leveling time is 10-15 minutes (min);
(2) and baking the metal plate coated with the water-based environment-friendly corrugated paint at 70-80 ℃ for 45-60min, cooling to room temperature after baking, and standing for 24-72 hours.
2. Detection performance:
TABLE 5 comparative example Performance test method
TABLE 6 Properties of the comparative examples
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (10)
1. The water-based environment-friendly corrugated paint is characterized in that: the paint comprises the following components in parts by weight:
30-60 parts of water-based resin;
1.5-15 parts of water-based pigment;
1.5-15 parts of water-based filler;
0.5-5 parts of water-based surface active polymer;
5-15 parts of deionized water.
2. The aqueous environmentally friendly ripple paint of claim 1, wherein: the paint also comprises the following components in parts by weight:
2-5 parts of a water-based auxiliary agent;
10-30 parts of an aqueous solvent.
3. The aqueous environmentally friendly ripple paint of claim 1, wherein: the water-based resin is one or more of water-based acrylic resin, water-based saturated polyester resin, water-based cellulose acetate resin, water-based amino resin and water-based alkyd resin; the water-based pigment is one or more of water-based titanium dioxide, water-based carbon black and water-based iron oxide; the water-based filler is one or more of water-based barium sulfate, water-based talcum powder and water-based calcium carbonate; the water-based surface active polymer is one or more of water-based polyacrylate polymer, water-based high-carbon fatty acid methyl ester, water-based tripolyphosphate, water-based alkyl glycoside salt, water-based fluorine modified acrylate polymer and water-based siloxane polymer.
4. The aqueous environmentally friendly ripple paint of claim 2, wherein: the water-based auxiliary agent comprises one or more of a water-based smoothing agent, a water-based defoaming agent, a water-based wetting dispersant and a water-based anti-settling agent.
5. The aqueous environmentally friendly ripple paint of claim 4, wherein: the water-based auxiliary agent comprises the following components in parts by weight:
the water-based anti-settling agent: 0.7-1.2 parts;
water-based defoaming agent: 0.1-0.5 part;
and (3) water-based leveling agent: 0.2-0.5 part;
aqueous wetting dispersant: 0.2-2 parts.
6. The aqueous environmentally friendly ripple paint of claim 2, wherein: the aqueous auxiliary agent also comprises special auxiliary agent XZW 001; the preparation method of the auxiliary agent comprises the following steps:
(1) weighing 85 parts of deionized water, mixing with 0.4 part of lauryl sodium sulfate serving as an emulsifier, 0.9 part of latex S180A 0.9 parts of a reactive emulsifier, 10.2 parts of methyl methacrylate, 9.8 parts of butyl acrylate, 0.2 part of α -methacrylic acid, 0.5 part of fumed silica and 0.5 part of nano diatomite according to parts by weight, stirring strongly to emulsify the mixture into a pre-emulsion, dissolving 0.3 part of ammonium persulfate in a proper amount of water to prepare an initiator solution, and reserving 5g of the initiator solution for later use;
(2) adding 1/5 parts by weight of pre-emulsion into a four-necked bottle provided with a reflux condenser, a stirrer and a partial pressure funnel, heating the mixture to 80 ℃ in a water bath, adding 8g of initiator solution, and stirring the mixture to react; when the liquid in the reactor changes from white to blue, which indicates that the polymerization reaction starts, the pre-emulsion and the initiator solution are dripped; when 1/3 parts by weight of the pre-emulsion are left, 4 parts of the weighed dodecafluoroheptyl methacrylate are mixed into the pre-emulsion, and then the mixture is dripped into the reactor, and the whole dripping time is controlled to be 3-4 h; and after all the pre-emulsion is dripped, adding 5g of initiator solution reserved for one time, carrying out heat preservation reaction at the original temperature of 80 ℃ for 1h, then cooling to below 40 ℃, adjusting the pH value to 7-8 by using ammonia water, filtering and discharging.
7. The aqueous environmentally friendly ripple paint of claim 2, wherein: the aqueous solvent is one or more of deionized water, dipropylene glycol methyl ether, diethylene glycol butyl ether, dipropylene glycol butyl ether, propylene glycol methyl ether and ethylene glycol butyl ether.
8. The method for preparing the water-based environmentally friendly ripple paint according to any one of claims 1 to 7, wherein: comprises the following steps:
(1) premixing: adding 25-60 parts by weight of water-based resin into a dispersion cylinder for stirring; then slowly adding 10-30 parts by weight of aqueous solvent, 2-5 parts by weight of aqueous auxiliary agent, 0.5-5 parts by weight of aqueous surface active polymer and 5-30 parts by weight of aqueous pigment filler in turn, and stirring for 30-60 minutes (min);
(2) grinding: grinding the uniformly premixed slurry to the fineness of less than or equal to 10 mu m by using a sand mill;
(3) preparing paint: and respectively adding the residual water-based resin and the water-based auxiliary agent into the ground slurry, adding deionized water, stirring for 10-30min, and filtering to obtain the water-based environment-friendly corrugated paint.
9. The preparation method of the water-based environment-friendly corrugated paint according to claim 8, characterized by comprising the following steps: the stirring speed in the step (1) is as follows: 800-; the stirring speed in the step (2) is as follows: 500-700 r/min; the stirring speed in the step (3) is as follows: 600 and 800 r/min.
10. Use of the water-based environmentally friendly corrugated paint according to any one of claims 1-7, wherein: the water-based environment-friendly corrugated paint is used for coating automotive interiors and metal products, and comprises the following steps:
(1) spraying the water-based environment-friendly corrugated paint on a metal plate for automobile interior trim, metal products or steel, and leveling for 10-15 minutes;
(2) and baking the metal plate coated with the water-based environment-friendly corrugated paint at 70-80 ℃ for 45-60min, cooling to room temperature after baking, and standing for 24-72 hours.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112143317A (en) * | 2020-10-19 | 2020-12-29 | 漳州鑫展旺化工有限公司 | Water-based hub environment-friendly paint and preparation method thereof |
| CN114031991A (en) * | 2021-12-06 | 2022-02-11 | 广东省漆色彩新型材料有限公司 | Water-based environment-friendly automobile primer |
| CN114031992A (en) * | 2021-12-09 | 2022-02-11 | 广东省漆色彩新型材料有限公司 | Food-grade water-based environment-friendly electric kettle high-temperature paint |
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| CN114031991A (en) * | 2021-12-06 | 2022-02-11 | 广东省漆色彩新型材料有限公司 | Water-based environment-friendly automobile primer |
| CN114031992A (en) * | 2021-12-09 | 2022-02-11 | 广东省漆色彩新型材料有限公司 | Food-grade water-based environment-friendly electric kettle high-temperature paint |
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