CN110951334A - Preparation method and equipment of antioxidant anti-discoloration water-based automobile coating - Google Patents

Preparation method and equipment of antioxidant anti-discoloration water-based automobile coating Download PDF

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Publication number
CN110951334A
CN110951334A CN201911194754.4A CN201911194754A CN110951334A CN 110951334 A CN110951334 A CN 110951334A CN 201911194754 A CN201911194754 A CN 201911194754A CN 110951334 A CN110951334 A CN 110951334A
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Prior art keywords
parts
shell
based automobile
oxidation
raw materials
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CN201911194754.4A
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Chinese (zh)
Inventor
郭逍遥
李桂琴
罗晖
郭伟杰
赖浩城
刘其平
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Guangdong Hualan Automobile Material Research Institute
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Guangdong Hualan Automobile Material Research Institute
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Priority to CN201911194754.4A priority Critical patent/CN110951334A/en
Publication of CN110951334A publication Critical patent/CN110951334A/en
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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
    • C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C09D127/18—Homopolymers or copolymers of tetrafluoroethene
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • 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
    • C09D7/80—Processes for incorporating ingredients
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/322—Ammonium phosphate
    • C08K2003/323—Ammonium polyphosphate
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C08K2003/387—Borates
    • C—CHEMISTRY; METALLURGY
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a preparation method of an antioxidant anti-discoloration water-based automobile coating, which comprises the following steps: s1: drying the raw materials; s2: putting the raw material obtained in the step S1 into a hot press; s3: stirring the raw materials subjected to hot pressing in the step S2; s4: putting sodium dodecyl sulfate, toluene diisocyanate, methyl cellulose, tantalum nitride, ammonium polyphosphate, zinc borate, methyl amyl alcohol and nano activated carbon into a reaction kettle; s5: adding the raw material obtained in the step S3 into a reaction kettle; s6: grinding the raw material obtained in the step S5. The invention also discloses preparation equipment of the antioxidant anti-color-change water-based automobile coating, which comprises a shell, wherein the outer surface of the front end of the shell is movably connected with a door body. The preparation method and the equipment of the oxidation-resistant and color change-resistant water-based automobile coating are improved simultaneously, so that the defects of finished products caused by poor compatibility of various components are avoided, the quality control effect is good, the drying efficiency of raw materials can be effectively improved, and the use is convenient.

Description

Preparation method and equipment of antioxidant anti-discoloration water-based automobile coating
Technical Field
The invention relates to the field of water-based automobile coatings, in particular to a preparation method and equipment of an antioxidant anti-color-change water-based automobile coating.
Background
The automobile coating is a coating coated on various vehicle bodies and parts such as cars and the like, generally refers to a coating and an auxiliary material of a new vehicle and a coating for vehicle repair, and is the same as a common coating, the automobile coating generally consists of a film forming substance (resin), an auxiliary agent, a pigment and a solvent.
Compared with the Chinese patent CN201611126722.7, the automobile paint easy to clean and the preparation method thereof have the following internal descriptions: the method comprises the following steps: 1) putting 75-80 parts of polytetrafluoroethylene, 32-38 parts of polyperfluoroethylpropylene, 14-16 parts of ethylene glycol ether, 7-11 parts of triethanolamine, 6-8 parts of ethylene glycol monomethyl ether, 12-16 parts of epoxy resin, 13-18 parts of polyamide, 5-10 parts of silicon dioxide, 22-24 parts of vinyl acetate, 15-20 parts of isocyanate and 7-12 parts of zinc chromate into a drying box, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
2) putting the raw materials obtained in the step 1) into a hot press, keeping the heating temperature at 78-80 ℃, adjusting the pressure of the hot press to 5MPa, and pressing for 3-5 minutes for later use;
3) putting 4-8 parts of sodium dodecyl sulfate, 12-14 parts of toluene diisocyanate, 6-7 parts of methyl cellulose, 3-5 parts of tantalum nitride, 1-4 parts of ammonium polyphosphate, 11-15 parts of zinc borate, 13-19 parts of methyl amyl alcohol and 13-16 parts of nano activated carbon into a reaction kettle for later use;
4) adjusting the temperature of the reaction kettle to be 100-;
5) putting the raw materials obtained in the step 4) into a colloid mill, adjusting the rotating speed to 7500-8000r/min, grinding for 2-5 minutes, taking out, sealing and storing, wherein the easy-to-clean automobile coating has the advantages of small surface tension, easy cleaning, good high temperature resistance effect, good oxidation resistance effect and capability of keeping the coating not easy to fade; the colloid mill adopted in the preparation method can ensure that the coating is uniformly dispersed.
However, the good state of the raw materials cannot be guaranteed in the process of preparing the automobile coating, so that the quality of the finished product cannot be well guaranteed, a drying box is required in the process of producing the automobile coating, the drying efficiency of the raw materials cannot be guaranteed while more raw materials are dried, and the defect exists in use.
Therefore, a preparation method and equipment of the antioxidant anti-discoloration water-based automobile coating which are matched with each other are provided.
Disclosure of Invention
The invention aims to provide a preparation method and equipment of an antioxidant anti-discoloration water-based automobile coating, which can better quickly and uniformly mix a raw material in S1 with a raw material in S4 and better keep a mixture of matched components in a better state by simultaneously improving the preparation method and equipment of the antioxidant anti-discoloration water-based automobile coating, so that the final step of the preparation method is simpler and quicker, the final matching effect is better, the state of the formed mixture is ensured in advance, the final preparation state of the automobile coating can be better ensured, the bad finished product caused by the poor compatibility of various formed components is avoided, the quality control effect is better, the raw material in a box body can be stirred at a lower rotating speed of a dial plate, the raw material is heated and dried uniformly, the amount of the raw material capable of being dried is more, and the large-batch production of the coating can be met, the steam that produces can be discharged by fixed plate upper portion again through the air discharge duct, and the steam between each box raw materials respectively does not influence, and the outside of shell is arranged by the blast pipe to the air discharge duct at later rethread shell top, can the drying efficiency of effectual improvement raw materials, convenient to use to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation method of an antioxidant anti-discoloration water-based automobile coating comprises the following steps:
s1: putting 75-80 parts of polytetrafluoroethylene, 32-38 parts of polyperfluoroethylpropylene, 14-16 parts of ethylene glycol ether, 7-11 parts of triethanolamine, 6-8 parts of ethylene glycol monomethyl ether, 12-16 parts of epoxy resin, 13-18 parts of polyamide, 5-10 parts of silicon dioxide, 22-24 parts of vinyl acetate, 15-20 parts of isocyanate and 7-12 parts of zinc chromate into a drying box, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
s2: putting the raw material obtained in the step S1 into a hot press, keeping the heating temperature at 78-80 ℃, adjusting the pressure of the hot press to 5MPa, and pressing for 3-5 minutes for later use;
s3: stirring the raw materials subjected to hot pressing in the step S2;
s4: putting 4-8 parts of sodium dodecyl sulfate, 12-14 parts of toluene diisocyanate, 6-7 parts of methyl cellulose, 3-5 parts of tantalum nitride, 1-4 parts of ammonium polyphosphate, 11-15 parts of zinc borate, 13-19 parts of methyl amyl alcohol and 13-16 parts of nano activated carbon into a reaction kettle for later use;
s5: adjusting the temperature of the reaction kettle to 100-105 ℃, reacting for 2-3 minutes, and adding the raw material obtained from S3 into the reaction kettle for later use;
s6: putting the raw material obtained in S5 into a colloid mill, adjusting the rotating speed to 7500-8000r/min, grinding for 2-5 minutes, taking out, sealing and storing.
In S3, the raw materials after hot pressing in S2 are mixed and stirred by a stirrer, the heating temperature is 220-240 ℃, the stirring speed is 2000-2200r/min, and the reaction time is 5-8 minutes.
In S5, the heating temperature of the reaction kettle is adjusted to 240 ℃, the stirring speed is adjusted to 2000-2200r/min, and the reaction time is adjusted to 12-16 minutes.
In S6, the starting material was ground to a particle size of 8-15 μm.
The preparation equipment of the antioxidant anti-discoloration water-based automobile coating, which implements the method, comprises the following steps:
the portable refrigerator comprises an outer shell, the front end surface swing joint of shell has a body, and the inside top of shell is provided with temperature sensor and humidity transducer, the internal surface of shell is provided with electric heater, and one side surface of shell is provided with the motor, the upper end surface fixedly connected with blast pipe of shell, and the inside intermediate position fixedly connected with baffle of shell, the upper end surface intermediate position fixedly connected with fixed plate of baffle, and the upper end surface swing joint of baffle has the box, the exhaust duct has been seted up to the inside of baffle, and the exhaust duct extends to the inside of fixed plate and communicates with each other with the outside.
The utility model discloses a spinning cake, including box, motor, limiting groove, connecting plate, the outer surface swing joint of one side of motor has the main shaft, and the one end outer fixed surface of main shaft is connected with the connecting plate, the box is close to one side surface swing joint of motor and revolves the cake, and revolves one side surface of cake and has seted up the spacing groove, the spout has been seted up to one side surface of box near the position of revolving.
The shifting plate is arc-shaped and is rotationally and symmetrically arranged by taking the straight rod as the center.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can better mix the raw material in S1 with the raw material in S4 quickly and uniformly, can better keep the mixture of the components in a better state, enables the last step to be simpler and faster, has better matching effect, ensures the state of the mixture before forming, can better ensure the final state of the automobile coating, avoids the bad finished product caused by the poor compatibility of various components, has better quality control effect, can stir the raw materials in the box body at a lower rotating speed of the shifting plate, ensures the raw materials to be heated and dried uniformly, has more quantity of the raw materials to be dried, can meet the production of large batch coatings, can discharge the generated water vapor from the upper part of the fixed plate through the exhaust groove, has no influence on the water vapor among the raw materials of each box body, and then discharges the water vapor to the outside of the shell through the exhaust pipe through the exhaust groove at the top of the shell, can effectively improve the drying efficiency of the raw materials and is convenient to use.
2. The preparation method of the antioxidant anti-discoloration water-based automobile coating provided by the invention has the advantages that the defects of finished products caused by poor compatibility of various components are avoided, the quality control effect is better, the rotating speed of the dial plate is lower, the raw materials in the box body can be stirred, the raw materials are heated and dried uniformly, the amount of the raw materials capable of being dried is larger, and the requirement of mass coating production can be met.
3. According to the preparation equipment of the antioxidant anti-discoloration water-based automobile coating, water vapor among raw materials of each box body is not influenced, and then the water vapor is exhausted to the outside of the shell through the exhaust duct on the top of the shell, so that the drying efficiency of the raw materials can be effectively improved, and the preparation equipment is convenient to use.
Drawings
FIG. 1 is a diagram of a method of preparing an aqueous automotive coating according to the present invention;
FIG. 2 is an overall structure diagram of an apparatus for preparing an aqueous automobile paint according to the present invention;
FIG. 3 is a schematic view of a combination structure of a casing and an exhaust pipe of the manufacturing apparatus of the present invention;
FIG. 4 is a schematic view of a motor and box combination structure of the manufacturing apparatus of the present invention;
FIG. 5 is a schematic view of a combination structure of a chute and a limiting groove of the manufacturing apparatus of the present invention.
In the figure: 1. a housing; 2. an exhaust pipe; 3. a motor; 4. a box body; 5. a partition plate; 6. a fixing plate; 7. a door body; 8. an exhaust groove; 9. a main shaft; 10. a connecting plate; 11. spinning the cake; 12. dialing a plate; 13. a chute; 14. a limiting groove; 15. a temperature sensor; 16. a humidity sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 5, the preparation method of the oxidation-resistant and color-change-resistant water-based automobile coating provided in this embodiment, as shown in fig. 1, includes the following steps:
s1: putting 75-80 parts of polytetrafluoroethylene, 32-38 parts of polyperfluoroethylpropylene, 14-16 parts of ethylene glycol ether, 7-11 parts of triethanolamine, 6-8 parts of ethylene glycol monomethyl ether, 12-16 parts of epoxy resin, 13-18 parts of polyamide, 5-10 parts of silicon dioxide, 22-24 parts of vinyl acetate, 15-20 parts of isocyanate and 7-12 parts of zinc chromate into a drying box, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
s2: putting the raw material obtained in the step S1 into a hot press, keeping the heating temperature at 78-80 ℃, adjusting the pressure of the hot press to 5MPa, and pressing for 3-5 minutes for later use;
s3: the raw materials after hot pressing in the S2 are stirred, the raw materials after hot pressing in the S2 are mixed and stirred by a stirrer, the heating temperature is 220-240 ℃, the stirring speed is 2000-2200r/min, the reaction time is 5-8 minutes, the raw materials are in a colloid state, the raw materials are mixed in advance, the raw materials in the S1 and the raw materials in the S4 can be mixed quickly and uniformly, the matching component mixture can be better in a better state, the last step is simpler and quicker, the final matching effect is better, the state of the component mixture is ensured in advance, the final preparation state of the automobile coating can be better ensured, the poor compatibility of various components is avoided, and the quality control effect is better;
s4: putting 4-8 parts of sodium dodecyl sulfate, 12-14 parts of toluene diisocyanate, 6-7 parts of methyl cellulose, 3-5 parts of tantalum nitride, 1-4 parts of ammonium polyphosphate, 11-15 parts of zinc borate, 13-19 parts of methyl amyl alcohol and 13-16 parts of nano activated carbon into a reaction kettle for later use;
s5: adjusting the temperature of the reaction kettle to 100-;
s6: putting the raw material obtained in the step S5 into a colloid mill, adjusting the rotating speed to 7500-8000r/min, grinding the raw material to the particle size of 8-15 mu m, taking out after grinding for 2-5 minutes, and sealing and storing the raw material, wherein the added polytetrafluoroethylene, polyfluorinated ethylene propylene, ethylene glycol ether, triethanolamine and ethylene glycol monomethyl ether ensure that the surface tension of the coating is small, the coating is easy to clean and has a high-temperature resistant effect; the added tantalum nitride, ammonium polyphosphate, zinc borate, methyl amyl alcohol and nano activated carbon have an anti-oxidation effect, and the paint is not easy to fade.
Before implementation, the preparation equipment of the antioxidant anti-discoloration water-based automobile coating comprises a shell 1, wherein a door body 7 is movably connected to the outer surface of the front end of the shell 1, a temperature sensor 15 and a humidity sensor 16 are arranged at the top end of the inside of the shell 1, an electric heater is arranged on the inner surface of the shell 1, a motor 3 is arranged on the outer surface of one side of the shell 1, an exhaust pipe 2 is fixedly connected to the outer surface of the upper end of the shell 1, a partition plate 5 is fixedly connected to the middle position of the inside of the shell 1, a fixing plate 6 is fixedly connected to the middle position of the outer surface of the upper end of the partition plate 5, a box body 4 is movably connected to the outer surface of the upper end of the partition plate 5, an exhaust groove 8 is formed in the partition.
The outer surface swing joint of one side of motor 3 has main shaft 9, and the one end outer fixed surface of main shaft 9 is connected with connecting plate 10, box 4 is close to one side outer surface swing joint of motor 3 has and revolves cake 11, and revolves one side surface of cake 11 and has seted up spacing groove 14, the position that one side surface of box 4 is close to and revolves cake 11 has seted up spout 13.
The shifting plate 12 is arc-shaped, and the shifting plate 12 is rotationally symmetrical with the straight rod as the center.
Referring to fig. 2 to 5, in the using process, the power interface at one side of the housing 1 is connected with an external power supply, so as to provide power for the temperature sensor 15, the humidity sensor 16 and the electric heater, polytetrafluoroethylene, fluorinated ethylene propylene, ethylene glycol ether, triethanolamine, ethylene glycol monomethyl ether, epoxy resin, polyamide, silica, vinyl acetate, isocyanate and zinc chromate are respectively placed in the box body 4 for drying, then the box body 4 is pushed in the housing 1, the box body 4 can be limited not to move left and right under the combined action of the fixing plate 6 and the inner wall of the housing 1, before the box body 4 is pushed in the housing 1, a user can horizontally adjust the connecting plate 10, then the rotary cake 11 is rotated to adjust the limiting groove 14 to be connected with the sliding groove 13 to be placed in a straight line, and then the box body 4 can be pushed in the housing 1, the connecting plate 10 can move to the inside of the limiting groove 14 along the sliding groove 13, when the box body 4 is pushed to the inside of the shell 1 and can not move, the connecting plate 10 just breaks away from the sliding groove 13, so that the main shaft 9 can drive the straight rod to rotate, then the door body 7 is closed, the door body 7 can abut against the box body 4, the back and forth movement of the box body 4 can be ensured, then the motor 3 is started, so that the shifting plate 12 can be driven to rotate, the rotating speed of the shifting plate 12 is low, raw materials in the box body 4 can be stirred, the raw materials are heated and dried uniformly, the quantity of the raw materials capable of being dried is large, the large-batch coating production can be met, generated water vapor can be discharged from the upper part of the fixing plate 6 through the exhaust groove 8, the upper end of the box body 4 is in contact with the top of the shell 1, the opening of the box body 4 just corresponds to, a drying efficiency, convenient to use that is used for the emission of the steam of lower part, and the steam between the 4 raw materialss of each box respectively does not influence, and shell 1's outside is arranged by blast pipe 2 to the exhaust duct 8 at 1 top of later rethread shell, can effectual improvement raw materials.
The invention can better mix the raw material in S1 with the raw material in S4 quickly and uniformly, can better keep the mixture of the components in a better state, enables the last step to be simpler and faster, has better matching effect, ensures the state of the mixture before forming, can better ensure the final state of the automobile coating, avoids the bad finished product caused by the poor compatibility of various components, has better quality control effect, can stir the raw material in the box body 4 at a lower rotating speed of the shifting plate 12, enables the raw material to be heated and dried uniformly, has more quantity of the raw material to be dried, can meet the production of large batch coating, can discharge the generated water vapor from the upper part of the fixed plate 6 through the exhaust groove 8, does not influence the water vapor among the raw materials of each box body 4, and then discharges the water vapor to the outside of the shell 1 through the exhaust pipe 2 through the exhaust groove 8 at the top of the shell 1, can effectively improve the drying efficiency of the raw materials and is convenient to use.
Example two
The oxidation-resistant and discoloration-resistant water-based automobile coating, the preparation method and the preparation equipment provided by the embodiment are basically the same as those of the embodiment 1, and the differences are that:
which comprises the following steps:
s1: putting 75 parts of polytetrafluoroethylene, 32 parts of polyfluorinated ethylene propylene, 14 parts of ethylene glycol ether, 7 parts of triethanolamine, 6 parts of ethylene glycol monomethyl ether, 12 parts of epoxy resin, 13 parts of polyamide, 5 parts of silicon dioxide, 22 parts of vinyl acetate, 15 parts of isocyanate and 7 parts of zinc chromate into a drying oven, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
s4: putting 4 parts of sodium dodecyl sulfate, 12 parts of toluene diisocyanate, 6 parts of methyl cellulose, 3 parts of tantalum nitride, 1 part of ammonium polyphosphate, 11 parts of zinc borate, 13 parts of methyl amyl alcohol and 13 parts of nano activated carbon into a reaction kettle for later use.
EXAMPLE III
The oxidation-resistant and discoloration-resistant water-based automobile coating, the preparation method and the preparation equipment provided by the embodiment are basically the same as those of the embodiment 1, and the differences are that:
which comprises the following steps:
s1: putting 78 parts of polytetrafluoroethylene, 35 parts of polyfluorinated ethylene propylene, 15 parts of ethylene glycol ether, 10 parts of triethanolamine, 7 parts of ethylene glycol monomethyl ether, 15 parts of epoxy resin, 15 parts of polyamide, 8 parts of silicon dioxide, 23 parts of vinyl acetate, 18 parts of isocyanate and 10 parts of zinc chromate into a drying oven, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
s4: putting 6 parts of sodium dodecyl sulfate, 13 parts of toluene diisocyanate, 6.5 parts of methyl cellulose, 4 parts of tantalum nitride, 2 parts of ammonium polyphosphate, 14 parts of zinc borate, 15 parts of methyl amyl alcohol and 15 parts of nano activated carbon into a reaction kettle for later use.
Example four
The oxidation-resistant and discoloration-resistant water-based automobile coating, the preparation method and the preparation equipment provided by the embodiment are basically the same as those of the embodiment 1, and the differences are that:
which comprises the following steps:
s1: putting 80 parts of polytetrafluoroethylene, 38 parts of polyfluorinated ethylene propylene, 16 parts of ethylene glycol ether, 11 parts of triethanolamine, 8 parts of ethylene glycol monomethyl ether, 16 parts of epoxy resin, 18 parts of polyamide, 10 parts of silicon dioxide, 24 parts of vinyl acetate, 20 parts of isocyanate and 12 parts of zinc chromate into a drying oven, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
s4: putting 8 parts of sodium dodecyl sulfate, 14 parts of toluene diisocyanate, 7 parts of methyl cellulose, 5 parts of tantalum nitride, 4 parts of ammonium polyphosphate, 15 parts of zinc borate, 19 parts of methyl amyl alcohol and 16 parts of nano activated carbon into a reaction kettle for later use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, and the invention is not limited to the embodiments described above, and various modifications and changes may be made without departing from the spirit and scope of the invention, and it is intended that all changes and modifications that fall within the scope of the invention are embraced in the appended claims.

Claims (8)

1. The preparation method of the antioxidant anti-discoloration water-based automobile coating is characterized by comprising the following steps of:
s1: putting 75-80 parts of polytetrafluoroethylene, 32-38 parts of polyperfluoroethylpropylene, 14-16 parts of ethylene glycol ether, 7-11 parts of triethanolamine, 6-8 parts of ethylene glycol monomethyl ether, 12-16 parts of epoxy resin, 13-18 parts of polyamide, 5-10 parts of silicon dioxide, 22-24 parts of vinyl acetate, 15-20 parts of isocyanate and 7-12 parts of zinc chromate into a drying box, adjusting the heating temperature to 54-58 ℃, and drying for 5-10 minutes for later use;
s2: putting the raw material obtained in the step S1 into a hot press, keeping the heating temperature at 78-80 ℃, adjusting the pressure of the hot press to 5MPa, and pressing for 3-5 minutes for later use;
s3: stirring the raw materials subjected to hot pressing in the step S2;
s4: putting 4-8 parts of sodium dodecyl sulfate, 12-14 parts of toluene diisocyanate, 6-7 parts of methyl cellulose, 3-5 parts of tantalum nitride, 1-4 parts of ammonium polyphosphate, 11-15 parts of zinc borate, 13-19 parts of methyl amyl alcohol and 13-16 parts of nano activated carbon into a reaction kettle for later use;
s5: adjusting the temperature of the reaction kettle to 100-105 ℃, reacting for 2-3 minutes, and adding the raw material obtained from S3 into the reaction kettle for later use;
s6: putting the raw material obtained in S5 into a colloid mill, adjusting the rotating speed to 7500-8000r/min, grinding for 2-5 minutes, taking out, sealing and storing.
2. The method for preparing the oxidation and color change resistant water-based automobile coating according to claim 1, characterized in that: in S3, the raw materials after hot pressing in S2 are mixed and stirred by a stirrer, the heating temperature is 220-240 ℃, the stirring speed is 2000-2200r/min, and the reaction time is 5-8 minutes.
3. The method for preparing the oxidation and color change resistant water-based automobile coating according to claim 1, characterized in that: in S5, the heating temperature of the reaction kettle is adjusted to 240 ℃, the stirring speed is adjusted to 2000-2200r/min, and the reaction time is adjusted to 12-16 minutes.
4. The method for preparing the oxidation and color change resistant water-based automobile coating according to claim 1, characterized in that: in S6, the starting material was ground to a particle size of 8-15 μm.
5. An apparatus for preparing an oxidation and discoloration resistant aqueous automotive coating material, comprising a housing (1), for carrying out the method according to any one of claims 1 to 4, characterized in that: the utility model discloses a refrigerator, including shell (1), front end surface swing joint of shell (1) has a door body (7), and the inside top of shell (1) is provided with temperature sensor (15) and humidity transducer (16), the internal surface of shell (1) is provided with electric heater, and one side surface of shell (1) is provided with motor (3), the upper end surface fixed connection of shell (1) has blast pipe (2), and the inside intermediate position fixedly connected with baffle (5) of shell (1), the upper end surface intermediate position fixedly connected with fixed plate (6) of baffle (5), and the upper end surface swing joint of baffle (5) has box (4), exhaust groove (8) have been seted up to the inside of baffle (5), and exhaust groove (8) extend to the inside of fixed plate (6) and communicate with each other with the outside.
6. The apparatus for preparing the oxidation and discoloration resistant water-based automobile paint according to claim 5, wherein: one side surface swing joint of motor (3) has main shaft (9), and the one end surface fixed connection of main shaft (9) has connecting plate (10), box (4) are close to one side surface swing joint of motor (3) have and revolve cake (11), and revolve one side surface of cake (11) and seted up spacing groove (14), spout (13) have been seted up to the position that one side surface of box (4) is close to and revolves cake (11).
7. The apparatus for preparing the oxidation and discoloration resistant water-based automobile paint according to claim 6, wherein: the width homogeneous phase of spout (13), spacing groove (14) and connecting plate (10) is the same, and spout (13) are the level setting, one side fixedly connected with of revolving cake (11) dials board (12), and dials board (12) and revolves fixedly connected with straight-bar between cake (11), straight-bar and box (4) sliding connection.
8. The apparatus for preparing the oxidation and color change resistant water-based automobile paint according to claim 7, wherein: the shifting plate (12) is arc-shaped, and the shifting plate (12) is rotationally and symmetrically arranged by taking the straight rod as the center.
CN201911194754.4A 2019-11-28 2019-11-28 Preparation method and equipment of antioxidant anti-discoloration water-based automobile coating Withdrawn CN110951334A (en)

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CN201911194754.4A CN110951334A (en) 2019-11-28 2019-11-28 Preparation method and equipment of antioxidant anti-discoloration water-based automobile coating

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Application Number Priority Date Filing Date Title
CN201911194754.4A CN110951334A (en) 2019-11-28 2019-11-28 Preparation method and equipment of antioxidant anti-discoloration water-based automobile coating

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205700289U (en) * 2016-04-24 2016-11-23 田岗 A kind of mould wash mixer
CN206139043U (en) * 2016-09-21 2017-05-03 成松音 Coating stirrer with accuse temperature function
CN106810923A (en) * 2016-12-09 2017-06-09 芜湖天鸿汽车零部件有限公司 A kind of car paint of easy cleaning and preparation method thereof
CN210915904U (en) * 2019-11-28 2020-07-03 广东华斓汽车材料研究院 Preparation equipment of antioxidant anti-discoloration water-based automobile coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205700289U (en) * 2016-04-24 2016-11-23 田岗 A kind of mould wash mixer
CN206139043U (en) * 2016-09-21 2017-05-03 成松音 Coating stirrer with accuse temperature function
CN106810923A (en) * 2016-12-09 2017-06-09 芜湖天鸿汽车零部件有限公司 A kind of car paint of easy cleaning and preparation method thereof
CN210915904U (en) * 2019-11-28 2020-07-03 广东华斓汽车材料研究院 Preparation equipment of antioxidant anti-discoloration water-based automobile coating

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Application publication date: 20200403