CN112111203A - Water-based paint composition - Google Patents
Water-based paint composition Download PDFInfo
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- CN112111203A CN112111203A CN202010988327.XA CN202010988327A CN112111203A CN 112111203 A CN112111203 A CN 112111203A CN 202010988327 A CN202010988327 A CN 202010988327A CN 112111203 A CN112111203 A CN 112111203A
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- tank body
- dispersion tank
- fixedly connected
- solution
- feeding box
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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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
- C09D7/20—Diluents or solvents
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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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- 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
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
Abstract
The invention belongs to the technical field of coatings, and particularly relates to a water-based coating composition, which is prepared by the following steps: s1: stirring and mixing a dispersant auxiliary agent, an emulsion, a surfactant, a cosolvent, a film-forming auxiliary agent, a defoaming agent, a pH regulator and the like to obtain a mixed solution A, and putting the mixed solution A into a cavity of a sliding block; s2: putting the film-forming substance into a feeding box of a dispersion tank, pressing a diaphragm to enable the film-forming substance to enter a dispersion tank body, and simultaneously introducing water and the mixed liquid A into the dispersion tank body to be stirred and mixed; s3: observing the viscosity of the solution in the dispersion tank body, supplementing water into the dispersion tank body when the viscosity of the solution is higher, and supplementing a film forming substance and the mixed solution A when the viscosity of the solution is lower; s4: collecting the water-based paint composition and packaging and storing; the invention can timely and effectively supplement the required components into the dispersion tank body when the components of the solution need to be adjusted, thereby improving the production efficiency and the product quality of enterprises.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a water-based coating composition.
Background
The coating is a chemical product with convenient construction, low price, obvious effect and high added value rate, can be coated on the surface of an object through different construction processes to form a solid film which is firm in adhesion, has certain light degree and is continuous, the formed film is generally called as a coating film, also called as a paint film or a coating, and the water-based coating is an important component of the coating. The coating not only can decorate the surfaces of buildings, ships, machinery and the like, but also has the functions of preventing the surfaces from being rusted and prolonging the service life, and also has the functions of providing beautiful enjoyment and striking marks for decorating the environment, and along with the continuous development of science and technology, the coating gradually becomes a fine chemical product with strong specificity and functionality.
In the preparation method of the water-based paint composition in the prior art, a film-forming substance and an auxiliary agent are mostly directly poured into a dispersion tank in proportion for reaction, and due to the sealed arrangement of the dispersion tank, when an error occurs in the operation process or the components of a reaction liquid need to be adjusted, the reaction liquid in the dispersion tank cannot be conveniently and effectively adjusted, so that the effect of the prepared water-based paint composition is difficult to meet the expected effect, the functionality and the practicability are greatly reduced, the waste of resources and energy consumption is caused, and the production cost of the product is improved.
In view of the above, in order to overcome the above technical problems, the present inventors designed and developed a water-based paint composition, made a special dispersion tank, and solved the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the reaction liquid in a dispersion tank cannot be conveniently and effectively adjusted in the prior art, so that the effect of the prepared water-based coating composition is difficult to meet the expected effect, the functionality and the practicability are greatly reduced, the waste of resources and energy consumption is caused, and the production cost of a product is improved, the invention provides the water-based coating composition.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a water-based paint composition, which comprises the following raw materials in parts by weight:
40-60 parts of film forming material, 0.5-1.2 parts of dispersant assistant, 1.2-2.0 parts of emulsion, 0.5-1.0 part of surfactant, 1.2-2.4 parts of cosolvent, 1.2-2.5 parts of film forming assistant, 0.2-0.5 part of defoaming agent, 0.1-0.2 part of pH regulator, 0.8-1.5 parts of mildew-proof preservative and a proper amount of water; the film forming substance is acrylic copolymer emulsion; the dispersant auxiliary agent is a sodium polycarboxylate dispersant; the emulsion is polyethylene wax emulsion; the surfactant is a fluorocarbon surfactant; the cosolvent is a diol cosolvent; the film-forming auxiliary agent is an alcohol ether high-boiling point solvent; the defoaming agent is an organic silicon compound; the pH regulator is an organic amine compound; the mildew-proof preservative is a benzimidazole compound;
the preparation method of the water-based paint composition comprises the following steps:
s1: firstly, accurately weighing the raw materials according to the weight part requirement, then adding a dispersant auxiliary agent, an emulsion, a surfactant, a cosolvent, a film-forming auxiliary agent, a defoaming agent, a pH regulator and a mildew-proof preservative into a container to stir and mix, wherein the stirring time is required to be 8-10 minutes, obtaining a mixed solution A after the stirring is finished, and putting the mixed solution A into a cavity of a sliding block arranged on the upper surface of a dispersion tank;
s2: placing a film forming substance into a feeding box of a dispersion tank, pressing a diaphragm above the feeding box to enable the film forming substance to enter a dispersion tank body through a flow guide channel, simultaneously pressing a first pressing rod on a sliding block and a second pressing rod on a fixed seat to enable a mixed solution A to enter the dispersion tank body through a liquid inlet, opening a control valve on a water pipe to introduce a corresponding amount of water into the dispersion tank body to be stirred and mixed, and stirring at a stirring speed of 400-600 rpm until the solution is uniformly mixed;
s3: observing the viscosity of the solution in the dispersion tank body on the basis of the step S2, opening a control valve to replenish water into the dispersion tank body to adjust the viscosity when the viscosity of the solution is higher, pressing a diaphragm and a first pressing rod to replenish a film forming substance and the mixed solution A when the viscosity of the solution is lower, and fully stirring and mixing to obtain the water-based paint composition;
s4: collecting the water-based paint composition at a liquid discharge port, then packaging and storing, and opening for use when needed;
wherein the dispersion tank in the step S1 comprises a dispersion tank body, a fixed seat and a feeding box; an opening is formed in the upper surface of the dispersion tank body, a rubber membrane is fixedly connected to the inner wall of the opening, and a liquid inlet is formed in the center of the rubber membrane; the upper surface of the dispersion tank body is fixedly connected with a fixed seat above the opening, the fixed seat is in a circular cylindrical design, and the inner diameter of the fixed seat is larger than the diameter of the opening; the side wall of the upper end of the fixed seat is fixedly connected with two first press rods, and the two first press rods are arranged in bilateral symmetry; the inner part of the fixed seat is connected with a sliding block in a sliding manner, the section of the lower end of the sliding block is in a trapezoidal design, and the diameter of the lower surface of the sliding block is smaller than that of the opening; a second pressing rod is fixedly connected to the side wall of the upper end of the sliding block and is arranged corresponding to the first pressing rod; a cavity is formed in the sliding block, and the cavity is in a funnel-shaped design; the outer surface of the left upper part of the dispersion tank body is fixedly connected with a feeding box, and the feeding box is designed into a cuboid structure; the outer surface of the right side of the feeding box is fixedly connected with two first fixing rods, the two first fixing rods are placed in front and at the back, a first rotating shaft is rotatably connected between the two first fixing rods, and a torsion spring is connected between the first fixing rods and the first rotating shaft; a second rotating shaft is arranged above the first rotating shaft, a diaphragm is fixedly connected between the first rotating shaft and the second rotating shaft, and the diaphragm is made of elastic rubber materials; a second fixing rod is arranged on the outer surface of the left side of the feeding box and is arranged corresponding to the first fixing rod, a groove is formed in the lower surface of one end, away from the feeding box, of the second fixing rod, and the groove is designed in an arc shape; the lower end of the right side wall of the feeding box is provided with a flow guide channel, and the flow guide channel is communicated with the inside of the feeding box and the inside of the dispersion tank body; a water inlet is formed in the right side wall of the dispersion tank body, a water pipe is connected outside the water inlet, and a control valve is arranged on the water pipe; the outer surface of the lower end of the dispersion tank body is fixedly connected with a collection bin, the cross section of the collection bin is designed in an arc shape, and the lower end of the left side wall of the collection bin is provided with a liquid outlet; the bottom of the dispersion tank body is fixedly connected with a partition plate which is in a bowl-shaped design; a liquid outlet is formed in the side wall of the dispersing tank body above the partition plate, the liquid outlet is designed in an annular shape, and the liquid outlet is communicated with the inner space of the dispersing tank body and the inner space of the collecting bin; the center of the inner wall of the bottom of the dispersion tank body is fixedly connected with a motor, the driving end of the motor penetrates through the design of the partition plate, and the driving end of the motor is fixedly connected with a stirring rod; the stirring rod is in a conical design, ribbons which are uniformly distributed are fixedly connected to the outer surface of the stirring rod, the lengths of the ribbons are increased from top to bottom, and the ribbons at the lowest part extend to the liquid outlet; a transparent glass window is arranged on the rear side wall of the dispersion tank body; when the device works, the mixed liquid A is placed into a cavity of the sliding block, the film forming substance is placed into the feeding box, the mixed liquid A cannot enter the dispersion tank body in a large amount due to the small diameter of the liquid inlet in an initial state, the first pressing rod and the second pressing rod are pressed at the moment, the first pressing rod drives the sliding block to move downwards and play a limiting role, the phenomenon that the mixed liquid A cannot slide out after entering the inside of the fixing seat is avoided, the rubber film is extruded when the sliding block moves downwards, so that the diameter of the liquid inlet is increased, and the mixed liquid A quickly enters the dispersion tank body through the; meanwhile, the second rotating shaft is placed in a groove in the lower surface of the second fixing rod, a diaphragm is fixedly connected between the first rotating shaft and the second rotating shaft, the second rotating shaft drives the first rotating shaft to rotate through the diaphragm, the diaphragm is tightly attached to the upper surface of the feeding box to seal the feeding box, and meanwhile, the first rotating shaft has a tendency of recovering an initial state under the action of a torsional spring, so that the diaphragm exerts upward tension on the second rotating shaft, the second rotating shaft is clamped in the groove, the diaphragm is extruded downwards at the moment, the inner space of the feeding box is reduced, the pressure is increased, and the emulsion in the compressed feeding box enters the dispersion tank body through a flow guide channel; meanwhile, a control valve is opened, a proper amount of water is added into the dispersion tank body through a water pipe, a motor is started, the motor drives a stirring rod to rotate, the stirring rod drives a ribbon to rotate, the stirring rod and the ribbon rotate to accelerate the dispersion of the solution in the dispersion tank body, so that the solution is mixed more uniformly, the precipitation and layering phenomena are avoided, the contact area and the contact time of a film forming substance and the mixed solution A can be increased through the ribbon, and the reaction rate of the solution and the production efficiency of products are improved; meanwhile, the reaction condition of the solution in the dispersion tank body can be observed through the transparent glass window in the solution mixing process, when the viscosity of the solution in the dispersion tank body is high, the control valve is opened to supplement water into the dispersion tank body to adjust the viscosity, when the viscosity of the solution is low, the membrane and the first pressing rod can be supplemented with the film forming substance and the mixed solution A, the water-based coating composition can be obtained after the full stirring and mixing, the uniformly mixed coating solution flows into the collection bin through the liquid outlet along the surface of the partition plate, the curved surface design on the surface of the partition plate can accelerate the flow rate of the coating entering the collection bin, the collection efficiency of the product is improved, and finally the water-based coating composition can be collected at the liquid outlet and packaged for; according to the invention, the reaction condition of the solution is observed through the transparent glass window, when the solution components need to be adjusted, the required components can be timely and effectively supplemented into the dispersion tank body by pressing the first pressing rod and the diaphragm and controlling the opening of the control valve, the operation process is simple, convenient, rapid and flexible, the problem that the reaction solution components in the dispersion tank cannot be conveniently and effectively adjusted due to the sealing arrangement of the dispersion tank is solved, the production efficiency and the product quality are improved, the loss of resources and energy consumption is avoided, and the production cost of enterprises is effectively reduced.
Preferably, the surface of the ribbon is fixedly connected with a reinforced rubber rib; the during operation strengthens the rubber muscle and makes soft ribbon have certain rigidity, improves the ribbon and to the stirring efficiency of solution, reinforcing stirring effect for solution intensive mixing and the even dispersed state that remains throughout, thereby effectively improves the reaction efficiency of solution and the production efficiency of product, avoids the ribbon to twine on the stirring rod surface at the stirring in-process, reduces the mixed effect of solution.
Preferably, the upper surface of the side wall of the feeding box is fixedly connected with a strip-shaped sucker; during operation, put the second pivot to the recess of second dead lever lower surface for the diaphragm is located feeding case upper surface, and when the contact of diaphragm and the bar sucking disc of feeding case upper surface, the bar sucking disc tightly adsorbs the diaphragm, avoids the contact position of diaphragm and feeding case gap to appear, reaches the leakproofness that improves between diaphragm and the feeding case, thereby effectively improves the speed that the emulsion flows from the water conservancy diversion way when the extrusion diaphragm, is convenient for in time to this internal supplementary emulsion of dispersion tank.
Preferably, a sliding groove is formed in the left side wall of the feeding box, a second fixing rod is connected in the sliding groove in a sliding mode, and one end of the second fixing rod penetrates through the sliding groove; a sliding groove is formed below the sliding groove, a piston block is connected in the sliding groove in a sliding mode, and the upper surface of the piston block is fixedly connected with the lower surface of the second fixing rod through a sliding rod; the space below the piston block is communicated with the interior of the strip-shaped sucker through an air passage formed in the side wall of the feeding box; during operation, the second pivot is located the recess of second dead lever lower surface, upwards pulling force is exerted for second pivot 12 to diaphragm 13, second pivot 12 drives second dead lever 14 and moves up, the second dead lever drives the slide bar and shifts up, the slide bar drives the piston piece and shifts up, the piston piece shifts up and makes piston piece below space increase, pressure reduces, the air in the bar sucking disc is inhaled piston piece below space through the air flue, the air in the bar sucking disc reduces and makes inside pressure reduce, make the diaphragm hug closely on the bar sucking disc under the extrusion of external atmospheric pressure, effectively strengthen the adsorption effect of bar sucking disc to the diaphragm, improve the leakproofness between diaphragm and the feeding case, increase the velocity of flow that the emulsion flows from the water conservancy diversion way.
Preferably, air inlets which are uniformly distributed are formed in the side wall of the bottom of the dispersion tank body; the driving end of the motor is fixedly connected with an impeller, and the impeller is positioned below the partition plate; uniformly arranged air holes are formed in the partition plate, and the air holes are designed in an inclined manner; when the dispersion tank works, gas is introduced into the dispersion tank body from the gas inlet, and the gas has a larger flow velocity when leaving from the gas hole through the inclined design of the gas hole and the rotation of the impeller; on one hand, when the gas flowing out of the air holes moves upwards, the ribbon is driven to move upwards and downwards, so that the solution in the dispersion tank body is stirred in the vertical direction while the ribbon rotates, the stirring effect of the solution is effectively improved, the solution is fully and uniformly mixed, and the reaction efficiency of the solution is improved; on the other hand, the solution that blows baffle surface when gas leaves from the gas pocket gets into the liquid outlet for solution is along the speed that baffle surface flow, prevents that solution from getting into baffle below space through the gas pocket, improves the collection efficiency of product, prevents that emulsion adhesion film-forming from attaching to the baffle surface, causes the gas pocket to block up, improves the life of baffle.
Preferably, the bottom of the dispersion tank body is fixedly connected with a cover plate, the cover plate is designed into a cylindrical structure, and the cover plate is positioned below the partition plate; the upper surface of the cover plate is provided with through holes which are uniformly distributed, and a filter screen is arranged inside the upper end of the cover plate; the lower surface of the cover plate is fixedly connected with uniformly arranged springs, one ends of the springs, far away from the cover plate, are fixedly connected with sealing beads, the sealing beads and the air inlets are arranged in a one-to-one correspondence mode, and the diameters of the sealing beads are larger than those of the air inlets; when the dispersing tank works, gas is introduced into the dispersing tank body through the gas inlet, the gas exerts upward force on the sealing beads, when the force exerted by the gas on the sealing beads is larger than the elastic force of the spring, the gas drives the sealing beads to move upwards to open the gas inlet, meanwhile, the sealing beads move upwards to extrude the spring to enable the spring to be in a compressed state, the gas enters from the gas inlet and then enters the dispersing tank body through the filter screen, the filter screen filters the gas to avoid other impurities from entering the dispersing tank body, and meanwhile, the filter screen can prevent liquid from entering a space below the partition plate and then flowing out through the gas inlet; after gas got into the dispersion jar body, sealed pearl takes place to move down because the elasticity of spring and the action of gravity of self and makes the air inlet sealed once more to realize that the air inlet only ventilates to this internal, not to external exhaust, prevent to have liquid to flow in the dispersion jar body, avoid the waste of resource.
Preferably, the liquid outlet is designed in an inclined manner, and the height of the liquid outlet at the left side of the dispersion tank body is smaller than that of the liquid outlet at the right side; the collecting bin is designed in an inclined mode, and the height of a fixed point of the collecting bin on the left side of the dispersing tank body is smaller than that of a fixed point of the collecting bin on the right side of the dispersing tank body; during operation, solution gets into from the liquid outlet and collects the storehouse, because liquid outlet and collection storehouse are the slope design, solution flows to the left side from collecting the storehouse right side under the action of gravity, can increase the outflow speed of solution, practices thrift the collection time to solution for solution concentrates to assemble in drain department and is collected, thereby effectively improves collection efficiency and the work efficiency to the product.
The invention has the following beneficial effects:
1. according to the water-based paint composition, the slide block and the feeding box are arranged, so that the reaction condition of a solution can be observed through the transparent glass window during reaction, when the solution components need to be adjusted, the required components can be timely and effectively supplemented into the dispersion tank body by pressing the first pressing rod on the surface of the slide block, the diaphragm on the feeding box and the control valve to be opened, the operation process is simple, convenient, rapid and flexible, the problem that the reaction solution components in the dispersion tank cannot be conveniently and effectively adjusted due to the sealing arrangement of the dispersion tank is solved, the production efficiency and the product quality are improved, the loss of resources and energy consumption is avoided, and the production cost of an enterprise is effectively reduced.
2. According to the water-based paint composition, the air inlet is arranged, so that the ribbon is driven to move up and down when the air moves up, the solution in the dispersion tank body is stirred up and down while the ribbon rotates, the stirring effect of the solution is effectively improved, the solution is fully and uniformly mixed, and the reaction efficiency of the solution is improved; simultaneously gas blows the solution on baffle surface and gets into the liquid outlet when leaving from the gas pocket for solution along the speed that baffle surface flow, prevents that solution from getting into baffle below space through the gas pocket, improves the collection efficiency of product, avoids emulsion adhesion film-forming to adhere to on the baffle surface simultaneously, causes the gas pocket to block up, improves the life of baffle.
3. According to the water-based coating composition, the liquid outlet and the collecting bin are arranged in an inclined design, so that a solution flows from the right side to the left side of the collecting bin under the action of gravity after entering the collecting bin from the liquid outlet, the outflow speed of the solution is increased, the collecting time of the solution is saved, the solution is concentrated and gathered at the liquid discharge outlet and is collected, and the product collecting efficiency and the working efficiency are effectively improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a perspective view of a dispersion tank of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a perspective view of the feed box of the present invention;
FIG. 6 is a cross-sectional view taken along the line C-C in FIG. 5;
in the figure: the device comprises a dispersion tank body 1, a fixed seat 2, a feeding box 3, a rubber membrane 4, a liquid inlet 5, a first pressing rod 6, a sliding block 7, a second pressing rod 8, a cavity 9, a first fixing rod 10, a first rotating shaft 11, a second rotating shaft 12, a diaphragm 13, a second fixing rod 14, a groove 15, a flow guide channel 16, a water pipe 17, a control valve 18, a collection bin 19, a liquid discharge port 20, a partition plate 21, a liquid discharge port 22, a motor 23, a stirring rod 24, a ribbon 25, a reinforced rubber rib 26, a strip-shaped suction cup 27, a sliding chute 28, a sliding chute 29, a piston block 30, a sliding rod 31, a filter screen 32, an air inlet 33, an impeller 34, an air hole 35, a cover plate 36, a spring 37 and.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the aqueous coating composition of the present invention comprises the following raw materials by weight:
40-60 parts of film forming material, 0.5-1.2 parts of dispersant assistant, 1.2-2.0 parts of emulsion, 0.5-1.0 part of surfactant, 1.2-2.4 parts of cosolvent, 1.2-2.5 parts of film forming assistant, 0.2-0.5 part of defoaming agent, 0.1-0.2 part of pH regulator, 0.8-1.5 parts of mildew-proof preservative and a proper amount of water; the film forming substance is acrylic copolymer emulsion; the dispersant auxiliary agent is a sodium polycarboxylate dispersant; the emulsion is polyethylene wax emulsion; the surfactant is a fluorocarbon surfactant; the cosolvent is a diol cosolvent; the film-forming auxiliary agent is an alcohol ether high-boiling point solvent; the defoaming agent is an organic silicon compound; the pH regulator is an organic amine compound; the mildew-proof preservative is a benzimidazole compound;
the preparation method of the water-based paint composition comprises the following steps:
s1: firstly, accurately weighing the raw materials according to the weight part requirement, then adding a dispersant auxiliary agent, an emulsion, a surfactant, a cosolvent, a film-forming auxiliary agent, a defoaming agent, a pH regulator and a mildew-proof preservative into a container to stir and mix, wherein the stirring time is required to be 8-10 minutes, obtaining a mixed solution A after the stirring is finished, and putting the mixed solution A into a cavity 9 of a sliding block 7 arranged on the upper surface of a dispersion tank;
s2: putting a film-forming substance into a feeding box 3 of a dispersion tank, pressing a diaphragm 13 above the feeding box 3 to enable the film-forming substance to enter a dispersion tank body 1 through a diversion channel 16, simultaneously pressing a first pressing rod 6 on a sliding block 7 and a second pressing rod 8 on a fixed seat 2 to enable a mixed solution A to enter the dispersion tank body 1 through a liquid inlet 5, opening a control valve 18 on a water pipe 17 to introduce a corresponding amount of water into the dispersion tank body 1 for stirring and mixing, and stirring at a stirring speed of 400-600 revolutions per minute until the solution is uniformly mixed;
s3: observing the viscosity of the solution in the dispersion tank body 1 on the basis of the step S2, opening the control valve 18 to supply water into the dispersion tank body 1 to adjust the viscosity when the solution viscosity is high, pressing the diaphragm 13 and the first pressing rod 6 to supply the film-forming substance and the mixed solution a when the solution viscosity is low, and sufficiently stirring and mixing to obtain the aqueous coating composition;
s4: collecting the aqueous coating composition at the drain port 20, packaging and storing, and opening for use when necessary;
wherein the dispersion tank in the step S1 comprises a dispersion tank body 1, a fixed seat 2 and a feeding box 3; an opening is formed in the upper surface of the dispersion tank body 1, a rubber membrane 4 is fixedly connected to the inner wall of the opening, and a liquid inlet 5 is formed in the center of the rubber membrane 4; the upper surface of the dispersion tank body 1 is fixedly connected with a fixed seat 2 above the opening, the fixed seat 2 is in a circular cylindrical design, and the inner diameter of the fixed seat 2 is larger than the diameter of the opening; the side wall of the upper end of the fixed seat 2 is fixedly connected with two first pressing rods 6, and the two first pressing rods 6 are arranged in a left-right symmetrical mode; a sliding block 7 is connected inside the fixed seat 2 in a sliding manner, the section of the lower end of the sliding block 7 is in a trapezoidal design, and the diameter of the lower surface of the sliding block 7 is smaller than that of the opening; a second pressing rod 8 is fixedly connected to the side wall of the upper end of the sliding block 7, and the second pressing rod 8 is arranged corresponding to the first pressing rod 6; a cavity 9 is formed in the slider 7, and the cavity 9 is in a funnel shape; the outer surface of the left upper part of the dispersion tank body 1 is fixedly connected with a feeding box 3, and the feeding box 3 is designed into a cuboid structure; the outer surface of the right side of the feeding box 3 is fixedly connected with first fixing rods 10, the number of the first fixing rods 10 is two, the two first fixing rods 10 are placed in front of and behind each other, a first rotating shaft 11 is rotatably connected between the two first fixing rods 10, and a torsion spring is connected between each first fixing rod 10 and each first rotating shaft 11; a second rotating shaft 12 is arranged above the first rotating shaft 11, a diaphragm 13 is fixedly connected between the first rotating shaft 11 and the second rotating shaft 12, and the diaphragm 13 is made of elastic rubber material; a second fixing rod 14 is arranged on the outer surface of the left side of the feeding box 3, the second fixing rod 14 is arranged corresponding to the first fixing rod 10, a groove 15 is formed in the lower surface of one end, away from the feeding box 3, of the second fixing rod 14, and the groove 15 is designed in an arc shape; the lower end of the right side wall of the feeding box 3 is provided with a flow guide channel 16, and the flow guide channel 16 is communicated with the inside of the feeding box 3 and the inside of the dispersion tank body 1; a water inlet is formed in the right side wall of the dispersion tank body 1, a water pipe 17 is connected to the water inlet externally, and a control valve 18 is arranged on the water pipe 17; the outer surface of the lower end of the dispersion tank body 1 is fixedly connected with a collection bin 19, the cross section of the collection bin 19 is designed in an arc shape, and the lower end of the left side wall of the collection bin 19 is provided with a liquid outlet 20; the bottom of the dispersion tank body 1 is fixedly connected with a partition plate 21, and the partition plate 21 is in a bowl-shaped design; a liquid outlet 22 is formed in the side wall of the dispersion tank body 1 above the partition plate 21, the liquid outlet 22 is designed in an annular shape, and the liquid outlet 22 is communicated with the inner space of the dispersion tank body 1 and the inner space of the collection bin 19; a motor 23 is fixedly connected to the center of the inner wall of the bottom of the dispersion tank body 1, the driving end of the motor 23 penetrates through the partition plate 21, and the driving end of the motor 23 is fixedly connected with a stirring rod 24; the stirring rod 24 is in a conical design, ribbons 25 which are uniformly distributed are fixedly connected to the outer surface of the stirring rod 24, the lengths of the ribbons 25 are increased from top to bottom, and the lowermost ribbon 25 extends to the liquid outlet 22; a transparent glass window is arranged on the rear side wall of the dispersion tank body 1; when the device works, the mixed liquid A is placed into the cavity 9 of the sliding block 7, the film forming substances are placed into the feeding box 3, the mixed liquid A cannot enter the dispersion tank body 1 in a large amount due to the small diameter of the liquid inlet 5 in an initial state, the first pressing rod 6 and the second pressing rod 8 are pressed at the moment, the sliding block 7 is driven by the first pressing rod 6 to move downwards and play a limiting role, the phenomenon that the mixed liquid A cannot slide out after entering the sliding block 7 and entering the fixing seat 2 is avoided, the rubber film 4 is extruded when the sliding block 7 moves downwards so that the diameter of the liquid inlet 5 is increased, and the mixed liquid A rapidly enters the dispersion tank body; meanwhile, the second rotating shaft 12 is placed in a groove 15 in the lower surface of a second fixing rod 14, a diaphragm 13 is fixedly connected between the first rotating shaft 11 and the second rotating shaft 12, the second rotating shaft 12 drives the first rotating shaft 11 to rotate through the diaphragm 13, the diaphragm 13 is tightly attached to the upper surface of the feeding box 3 to seal the feeding box 3, and meanwhile, the first rotating shaft 11 has a tendency of recovering an initial state under the action of a torsion spring, so that the diaphragm 13 exerts upward pulling force on the second rotating shaft 12, the second rotating shaft 12 is clamped in the groove 15, the diaphragm 13 is pressed downwards at the moment, the inner space of the feeding box 3 is reduced, the pressure is increased, and the emulsion in the compressed feeding box 3 enters the dispersion tank body 1 through a guide channel 16; meanwhile, the control valve 18 is opened, a proper amount of water is added into the dispersion tank body 1 through the water pipe 17, the motor 23 is started, the motor 23 drives the stirring rod 24 to rotate, the stirring rod 24 drives the ribbon 25 to rotate, the stirring rod 24 and the ribbon 25 rotate to accelerate the dispersion of the solution in the dispersion tank body 1, so that the solution is mixed more uniformly, the precipitation and layering phenomena are avoided, meanwhile, the ribbon 25 can also increase the contact area and the contact time of the film forming material and the mixed solution A, and the reaction rate of the solution and the production efficiency of the product are improved; the reaction condition of the solution in the dispersion tank body 1 can be observed through the transparent glass window in the solution mixing process, when the viscosity of the solution in the dispersion tank body 1 is high, the control valve 18 is opened to supplement water into the dispersion tank body 1 to adjust the viscosity, when the viscosity of the solution is low, the diaphragm 13 and the first pressing rod 6 can be pressed to supplement a film forming substance and a mixed solution A, the water-based coating composition can be obtained after full stirring and mixing, the uniformly mixed coating solution flows into the collection bin 19 through the liquid outlet 22 along the surface of the partition plate 21, the curved surface design on the surface of the partition plate 21 can accelerate the flow rate of the coating entering the collection bin 19, the collection efficiency of the product is improved, and finally the water-based coating composition can be collected at the liquid outlet 20 and packaged for storage; according to the invention, the reaction condition of the solution is observed through the transparent glass window, when the components of the solution need to be adjusted, the required components can be timely and effectively supplemented into the dispersion tank body 1 by pressing the first pressing rod 6, the diaphragm 13 and the control valve 18 to be opened, the operation process is simple, convenient, rapid and flexible, the problem that the components of the reaction solution in the dispersion tank cannot be conveniently and effectively adjusted due to the sealing arrangement of the dispersion tank is solved, the production efficiency and the product quality are improved, the loss of resources and energy consumption is avoided, and the production cost of enterprises is effectively reduced.
As an embodiment of the present invention, a reinforced rubber rib 26 is fixedly connected to the surface of the ribbon 25; the during operation strengthens rubber muscle 26 and makes soft ribbon 25 have certain rigidity, improves ribbon 25 and to the stirring efficiency of solution, reinforcing stirring effect for solution intensive mixing and the even dispersed state that remains throughout, thereby effectively improves the reaction efficiency of solution and the production efficiency of product, avoids ribbon 25 to twine on stirring rod 24 surface at the stirring in-process, reduces the mixed effect of solution.
As an embodiment of the invention, the upper surface of the side wall of the feeding box 3 is fixedly connected with a strip-shaped sucking disc 27; during operation, second pivot 12 is put to the recess 15 of second dead lever 14 lower surface in for diaphragm 13 is located feeding case 3 upper surface, when diaphragm 13 and the contact of the bar sucking disc 27 of feeding case 3 upper surface, bar sucking disc 27 tightly adsorbs diaphragm 13, prevent that the contact position of diaphragm 13 and feeding case 3 from appearing the gap, improve the leakproofness between diaphragm 13 and the feeding case 3, thereby effectively improve the speed that the emulsion flows from water conservancy diversion way 16 when extrusion diaphragm 13, be convenient for in time to replenishing the emulsion in the dispersion tank body 1.
As an embodiment of the present invention, a chute 28 is formed in the left side wall of the feeding box 3, a second fixing rod 14 is slidably connected in the chute 28, and one end of the second fixing rod 14 penetrates through the chute 28; a sliding groove 29 is formed below the sliding groove 28, a piston block 30 is connected in the sliding groove 29 in a sliding mode, and the upper surface of the piston block 30 is fixedly connected with the lower surface of the second fixing rod 14 through a sliding rod 31; the space below the piston block 30 is communicated with the interior of the strip-shaped sucking disc 27 through an air passage arranged in the side wall of the feeding box 3; during operation, the second rotating shaft 12 is located in the groove 15 on the lower surface of the second fixing rod 14, the diaphragm 13 applies upward pulling force to the second rotating shaft 12, the second rotating shaft 12 drives the second fixing rod 14 to move upwards, the second fixing rod 14 moves upwards to drive the sliding rod 31 to move upwards, the sliding rod 31 drives the piston block 30 to move upwards, the piston block 30 moves upwards to increase the space below the piston block 30, the pressure is reduced, air in the strip-shaped suction cup 27 is sucked into the space below the piston block 30 through the air passage, the air in the strip-shaped suction cup 27 is reduced to reduce the internal pressure of the strip-shaped suction cup 27, and the diaphragm 13 is tightly attached to the strip-shaped suction cup 27 under the action of external atmospheric pressure, so that the adsorption effect of the strip-shaped suction cup 27 on the diaphragm 13 is effectively enhanced, the sealing performance between the diaphragm 13 and the feeding box 3 is improved, and the.
As an embodiment of the invention, the side wall of the bottom of the dispersion tank body 1 is provided with uniformly arranged air inlets 33; the driving end of the motor 23 is fixedly connected with an impeller 34, and the impeller 34 is positioned below the partition plate 21; uniformly arranged air holes 35 are formed in the partition plate 21, and the air holes 35 are designed in an inclined manner; when the dispersion tank works, gas is introduced into the dispersion tank body 1 from the gas inlet 33, and the gas has a large flow velocity when leaving from the gas hole 35 through the inclined design of the gas hole 35 and the rotation of the impeller 34; on one hand, when the gas flowing out of the air holes 35 moves upwards, the ribbon 25 is driven to move upwards and downwards, so that the ribbon 25 rotates and simultaneously stirs the solution in the dispersion tank body 1 in the vertical direction, the stirring effect on the solution is effectively improved, the solution is fully and uniformly mixed, and the reaction efficiency of the solution is improved; on the other hand, when gas leaves from gas pocket 35, blow the solution on baffle 21 surface and get into liquid outlet 22 for the speed that solution flows along baffle 21 surface prevents that solution from getting into baffle 21 below space through gas pocket 35, improves the collection efficiency of product, avoids emulsion adhesion film-forming to adhere to on baffle 21 surface simultaneously, causes the gas pocket 35 to block up, improves baffle 21's life.
As an embodiment of the invention, the bottom of the dispersion tank body 1 is fixedly connected with a cover plate 36, the cover plate 36 is designed to be a cylindrical structure, and the cover plate 36 is located below the partition plate 21; the upper surface of the cover plate 36 is provided with uniformly arranged through holes, and a filter screen 32 is arranged in the upper end of the cover plate 36; the lower surface of the cover plate 36 is fixedly connected with springs 37 which are uniformly arranged, one ends of the springs 37, far away from the cover plate 36, are fixedly connected with sealing beads 38, the sealing beads 38 and the air inlets 33 are arranged in a one-to-one correspondence manner, and the diameters of the sealing beads 38 are larger than the diameters of the air inlets 33; when the dispersing tank works, gas is introduced into the dispersing tank body 1 through the gas inlet 33, the gas applies upward force to the sealing beads 38, when the force applied by the gas to the sealing beads 38 is larger than the elastic force of the springs 37, the gas drives the sealing beads 38 to move upwards to open the gas inlet 33, meanwhile, the sealing beads 38 move upwards to extrude the springs 37 to enable the springs 37 to be in a compressed state, the gas enters the dispersing tank body 1 through the filter screen 32 after entering the gas inlet 33, the filter screen 32 filters the gas to prevent other impurities from entering the dispersing tank body 1, and meanwhile, the filter screen 32 can prevent liquid from entering the space below the partition plate 21 and then flowing out through the gas inlet 33; after gas gets into dispersion tank body 1, sealed pearl 38 takes place to move down owing to spring 37's elasticity and the action of gravity of self and makes air inlet 33 sealed once more to realize that air inlet 33 only ventilates to dispersion tank body 1, do not to outside exhaust, prevent to have liquid outflow in the dispersion tank body 1, effectively avoid the waste of resource.
As an embodiment of the present invention, the liquid outlet 22 is designed to be inclined, and the height of the liquid outlet 22 at the left side of the dispersion tank body 1 is smaller than the height of the liquid outlet 22 at the right side; the collecting bin 19 is designed in an inclined mode, and the height of a fixed point of the collecting bin 19 on the left side of the dispersing tank body 1 is smaller than that of a fixed point of the collecting bin 19 on the right side of the dispersing tank body 1; during operation, solution gets into collection storehouse 19 from liquid outlet 22, because liquid outlet 22 and collection storehouse 19 are the slope design, solution flows to the left side from collection storehouse 19 right side under the action of gravity, can increase the outflow speed of solution, practices thrift the collection time to solution for solution concentrates to assemble at leakage fluid dram 20 department and is collected, thereby effectively improves the collection efficiency to the product and the work efficiency of enterprise.
The specific working process of the invention is as follows:
firstly, accurately weighing each raw material, then adding a dispersant auxiliary agent, an emulsion, a surfactant and a cosolvent, adding a film-forming auxiliary agent, an antifoaming agent, a pH regulator and a mildew-proof preservative into a container to be stirred and mixed, wherein the stirring time is required to be 8-10 minutes, obtaining a mixed solution A after the stirring is finished, putting the mixed solution A into a cavity 9 of a slide block 7, putting a film-forming substance into a feeding box 3, wherein the diameter of a liquid inlet 5 is smaller in an initial state, the mixed solution A cannot enter a dispersion tank body 1 in a large amount, a first pressing rod 6 and a second pressing rod 8 are pressed at the moment, the first pressing rod 6 drives the slide block 7 to move downwards and play a limiting role, the phenomenon that the slide block 7 cannot slide out after entering the interior of a fixed seat 2 is avoided, a rubber film 4 is extruded when the slide block 7 moves downwards, so that the diameter of the liquid inlet 5 is; meanwhile, the second rotating shaft 12 is placed in the groove 15 on the lower surface of the second fixing rod 14, so that the diaphragm 13 is located on the upper surface of the feeding box 3, when the diaphragm 13 contacts with the strip-shaped sucking disc 27 on the upper surface of the feeding box 3, the strip-shaped sucking disc 27 tightly adsorbs the diaphragm 13, so as to realize the sealing of the feeding box 3, meanwhile, the first rotating shaft 11 has a tendency of recovering the initial state under the action of the torsion spring, so that the diaphragm 13 exerts an upward pulling force on the second rotating shaft 12, the second rotating shaft 12 drives the second fixing rod 14 to move upward, the second fixing rod 14 drives the sliding rod 31 to move upward, the sliding rod 31 drives the piston block 30 to move upward, the space below the piston block 30 is increased when the piston block 30 moves upward, the pressure is reduced, the air in the strip-shaped sucking disc 27 is sucked into the space below the piston block 30 through an air passage, the air in the strip-shaped sucking disc 27 is reduced, the internal pressure, the adsorption effect of the strip-shaped sucker 27 on the diaphragm 13 is effectively enhanced, and the sealing property between the diaphragm 13 and the feeding box 3 is improved; at the moment, the diaphragm 13 is extruded downwards, the internal space of the feeding box 3 is reduced, the pressure intensity is increased, and the emulsion in the compressed feeding box 3 enters the dispersion tank body 1 through the diversion channel 16; at this moment, the control valve 18 is opened, a proper amount of water is added into the dispersion tank body 1 through the water pipe 17, the motor 23 is started, the motor 23 drives the stirring rod 24 to rotate, the stirring rod 24 drives the ribbon 25 to rotate, the dispersion of the solution in the dispersion tank body 1 can be accelerated through the rotation of the stirring rod 24 and the ribbon 25, so that the solution is mixed more uniformly, the phenomena of precipitation and layering are avoided, the reinforced rubber ribs 26 are fixedly connected to the surface of the ribbon 25, the stirring efficiency of the ribbon 25 on the solution is further improved, the stirring effect is enhanced, the solution is fully mixed and is kept in a uniform dispersion state all the time, the reaction efficiency of the solution and the production efficiency of products are effectively improved, the ribbon 25 is prevented from being wound on the surface of the stirring rod 24 in the stirring process, the mixing effect of the solution is reduced, and the ribbon 25 can also increase the contact area and the contact duration of the film forming substance, the reaction rate of the solution and the production efficiency of the product are improved; the reaction condition of the solution in the dispersion tank body 1 can be observed through the transparent glass window in the solution mixing process, when the viscosity of the solution in the dispersion tank body 1 is higher, the control valve 18 is opened to replenish water into the dispersion tank body 1 to adjust the viscosity, when the viscosity of the solution is lower, the membrane 13 and the first pressing rod 6 can be pressed to replenish the film-forming substance and the mixed solution A, and the water-based coating composition can be obtained after full stirring and mixing; in the solution mixing process, gas can be introduced into the dispersion tank body 1 from the gas inlet 33, upward force is applied to the sealing beads 38 when the gas enters, when the force applied to the sealing beads 38 by the gas is larger than the elastic force of the springs 37, the gas drives the sealing beads 38 to move upwards to open the gas inlet 33, meanwhile, the sealing beads 38 move upwards to extrude the springs 37 to enable the springs 37 to be in a compressed state, the gas enters the dispersion tank body 1 from the gas inlet 33 and then enters the dispersion tank body 1 through the filter screen 32, the filter screen 32 filters the gas to prevent other impurities from entering the dispersion tank body 1, and meanwhile, the filter screen 32 can prevent liquid from flowing out through the gas inlet 33 after entering the space below the partition plate 21; after the gas enters the dispersion tank body 1, the sealing beads 38 move downwards under the action of the elasticity of the springs 37 and the gravity of the sealing beads to enable the gas inlet 33 to be sealed again, so that the gas inlet 33 only ventilates the dispersion tank body 1 and does not exhaust to the outside, liquid in the dispersion tank body 1 is prevented from flowing out, and the waste of resources is effectively avoided; the gas entering the dispersion tank body 1 has a larger flow velocity when the gas leaves the gas holes 35 due to the inclined design of the gas holes 35 and the rotation of the impeller 34; on one hand, when the gas flowing out of the air holes 35 moves upwards, the ribbon 25 is driven to move upwards and downwards, so that the ribbon 25 rotates and simultaneously stirs the solution in the dispersion tank body 1 in the vertical direction, the stirring effect on the solution is effectively improved, the solution is fully and uniformly mixed, and the reaction efficiency of the solution is improved; on the other hand, when the gas leaves from the gas hole 35, the gas blows the solution on the surface of the partition plate 21 to enter the liquid outlet 22, so that the flow speed of the solution along the surface of the partition plate 21 is increased, the solution is prevented from entering the space below the partition plate 21 through the gas hole 35, the collection efficiency of the product is improved, the emulsion is prevented from being adhered to the surface of the partition plate 21 to form a film and being attached to the surface of the partition plate 21, the gas hole 35 is prevented from being; the uniformly mixed coating solution flows into the collection bin 19 through the liquid outlet 22 along the surface of the partition plate 21, and the liquid outlet 22 and the collection bin 19 are designed in an inclined manner, so that the solution flows from the right side to the left side of the collection bin 19 under the action of gravity, the outflow speed of the solution can be increased, the collection time of the solution is saved, the solution is concentrated and gathered at the liquid outlet 20 and is collected, the collection efficiency and the working efficiency of products are effectively improved, and the water-based coating composition collected at the liquid outlet 20 can be packaged and stored, so that the water-based coating composition can be conveniently taken and used as needed; according to the invention, the reaction condition of the solution is observed through the transparent glass window, when the components of the solution need to be adjusted, the required components can be timely and effectively supplemented into the dispersion tank body 1 by pressing the first pressing rod 6, the diaphragm 13 and the control valve 18 to be opened, the operation process is simple, convenient, rapid and flexible, the problem that the components of the reaction solution in the dispersion tank cannot be conveniently and effectively adjusted due to the sealing arrangement of the dispersion tank is solved, the production efficiency and the product quality are improved, the loss of resources and energy consumption is avoided, and the production cost of enterprises is effectively reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An aqueous coating composition characterized by: the water-based paint composition is composed of the following raw materials in parts by weight:
40-60 parts of film forming material, 0.5-1.2 parts of dispersant assistant, 1.2-2.0 parts of emulsion, 0.5-1.0 part of surfactant, 1.2-2.4 parts of cosolvent, 1.2-2.5 parts of film forming assistant, 0.2-0.5 part of defoaming agent, 0.1-0.2 part of pH regulator, 0.8-1.5 parts of mildew-proof preservative and a proper amount of water; the film forming substance is acrylic copolymer emulsion; the dispersant auxiliary agent is a sodium polycarboxylate dispersant; the emulsion is polyethylene wax emulsion; the surfactant is a fluorocarbon surfactant; the cosolvent is a diol cosolvent; the film-forming auxiliary agent is an alcohol ether high-boiling point solvent; the defoaming agent is an organic silicon compound; the pH regulator is an organic amine compound; the mildew-proof preservative is a benzimidazole compound;
the preparation method of the water-based paint composition comprises the following steps:
s1: firstly, accurately weighing the raw materials according to the weight part requirement, then adding a dispersant auxiliary agent, an emulsion, a surfactant, a cosolvent, a film-forming auxiliary agent, a defoaming agent, a pH regulator and a mildew-proof preservative into a container for stirring and mixing, wherein the stirring time is required to be 8-10 minutes, obtaining a mixed solution A after the stirring is finished, and putting the mixed solution A into a cavity (9) of a sliding block (7) arranged on the upper surface of a dispersion tank;
s2: putting a film-forming substance into a feeding box (3) of a dispersion tank, pressing a diaphragm (13) above the feeding box (3) to enable the film-forming substance to enter a dispersion tank body (1) through a flow guide channel (16), simultaneously pressing a first pressing rod (6) on a sliding block (7) and a second pressing rod (8) on a fixed seat (2) to enable a mixed solution A to enter the dispersion tank body (1) through a liquid inlet (5), opening a control valve (18) on a water pipe (17) to introduce a corresponding amount of water into the dispersion tank body (1) for stirring and mixing, and stirring at a stirring speed of 400-600 revolutions per minute until the solution is uniformly mixed;
s3: observing the viscosity of the solution in the dispersion tank body (1) on the basis of the step S2, opening a control valve (18) to replenish water into the dispersion tank body (1) to adjust the viscosity when the solution viscosity is higher, pressing a diaphragm (13) and a first pressing rod (6) to replenish a film forming substance and a mixed solution A when the solution viscosity is lower, and fully stirring and mixing to obtain the water-based paint composition;
s4: collecting the aqueous coating composition at a liquid discharge port (20), sealing and storing the aqueous coating composition, and opening the aqueous coating composition for use when necessary;
wherein the dispersion tank in the step S1 comprises a dispersion tank body (1), a fixed seat (2) and a feeding box (3); an opening is formed in the upper surface of the dispersion tank body (1), a rubber membrane (4) is fixedly connected to the inner wall of the opening, and a liquid inlet (5) is formed in the center of the rubber membrane (4); the upper surface of the dispersion tank body (1) is fixedly connected with a fixed seat (2) above the opening, the fixed seat (2) is in a circular cylindrical design, and the inner diameter of the fixed seat (2) is larger than the diameter of the opening; the side wall of the upper end of the fixed seat (2) is fixedly connected with two first pressing rods (6), and the two first pressing rods (6) are arranged in a left-right symmetrical mode; a sliding block (7) is connected inside the fixed seat (2) in a sliding manner, the section of the lower end of the sliding block (7) is in a trapezoidal design, and the diameter of the lower surface of the sliding block (7) is smaller than that of the opening; a second pressing rod (8) is fixedly connected to the side wall of the upper end of the sliding block (7), and the second pressing rod (8) is arranged corresponding to the first pressing rod (6); a cavity (9) is formed in the sliding block (7), and the cavity (9) is in a funnel-shaped design; the outer surface of the upper left side of the dispersion tank body (1) is fixedly connected with a feeding box (3), and the feeding box (3) is designed to be of a cuboid structure; the outer surface of the right side of the feeding box (3) is fixedly connected with first fixing rods (10), the number of the first fixing rods (10) is two, the two first fixing rods (10) are placed in front of and behind, a first rotating shaft (11) is rotatably connected between the two first fixing rods (10), and a torsion spring is connected between the first fixing rods (10) and the first rotating shaft (11); a second rotating shaft (12) is arranged above the first rotating shaft (11), a diaphragm (13) is fixedly connected between the first rotating shaft (11) and the second rotating shaft (12), and the diaphragm (13) is made of elastic rubber material; a second fixing rod (14) is arranged on the outer surface of the left side of the feeding box (3), the second fixing rod (14) is arranged corresponding to the first fixing rod (10), a groove (15) is formed in the lower surface of one end, far away from the feeding box (3), of the second fixing rod (14), and the groove (15) is designed in an arc shape; the lower end of the right side wall of the feeding box (3) is provided with a flow guide channel (16), and the flow guide channel (16) is communicated with the inside of the feeding box (3) and the inside of the dispersion tank body (1); a water inlet is formed in the right side wall of the dispersion tank body (1), a water pipe (17) is connected with the water inlet in an external mode, and a control valve (18) is arranged on the water pipe (17); the outer surface of the lower end of the dispersion tank body (1) is fixedly connected with a collection bin (19), the cross section of the collection bin (19) is designed in an arc shape, and the lower end of the left side wall of the collection bin (19) is provided with a liquid outlet (20); the bottom of the dispersion tank body (1) is fixedly connected with a partition plate (21), and the partition plate (21) is in a bowl-shaped design; a liquid outlet (22) is formed in the side wall of the dispersing tank body (1) above the partition plate (21), the liquid outlet (22) is designed in an annular shape, and the liquid outlet (22) is communicated with the inner space of the dispersing tank body (1) and the inner space of the collecting bin (19); a motor (23) is fixedly connected to the center of the inner wall of the bottom of the dispersion tank body (1), the driving end of the motor (23) penetrates through the partition plate (21), and the driving end of the motor (23) is fixedly connected with a stirring rod (24); the stirring rod (24) is in a conical design, ribbons (25) which are uniformly distributed are fixedly connected to the outer surface of the stirring rod (24), the lengths of the ribbons (25) increase progressively from top to bottom, and the ribbons (25) at the lowest part extend to the liquid outlet (22); and a transparent glass window is arranged on the rear side wall of the dispersion tank body (1).
2. An aqueous coating composition according to claim 1, wherein: and the surface of the ribbon (25) is fixedly connected with a reinforced rubber rib (26).
3. An aqueous coating composition according to claim 1, wherein: the upper surface of the side wall of the feeding box (3) is fixedly connected with a strip-shaped sucker (27).
4. An aqueous coating composition according to claim 3, wherein: a sliding groove (28) is formed in the left side wall of the feeding box (3), a second fixing rod (14) is connected in the sliding groove (28) in a sliding mode, and one end of the second fixing rod (14) penetrates through the sliding groove (28); a sliding groove (29) is formed below the sliding groove (28), a piston block (30) is connected in the sliding groove (29) in a sliding mode, and the upper surface of the piston block (30) is fixedly connected with the lower surface of the second fixing rod (14) through a sliding rod (31); the space below the piston block (30) is communicated with the interior of the strip-shaped sucker (27) through an air passage arranged in the side wall of the feeding box (3).
5. An aqueous coating composition according to claim 1, wherein: air inlets (33) which are uniformly distributed are formed in the side wall of the bottom of the dispersion tank body (1); the driving end of the motor (23) is fixedly connected with an impeller (34), and the impeller (34) is positioned below the partition plate (21); air holes (35) which are uniformly distributed are formed in the partition plate (21), and the air holes (35) are designed in an inclined mode.
6. An aqueous coating composition according to claim 1, wherein: the bottom of the dispersion tank body (1) is fixedly connected with a cover plate (36), the cover plate (36) is designed to be a cylindrical structure, and the cover plate (36) is positioned below the partition plate (21); the upper surface of the cover plate (36) is provided with through holes which are uniformly distributed, and a filter screen (32) is arranged in the upper end of the cover plate (36); the lower surface of the cover plate (36) is fixedly connected with springs (37) which are uniformly arranged, one end, away from the cover plate (36), of each spring (37) is fixedly connected with a sealing bead (38), the sealing beads (38) are arranged in a one-to-one correspondence with the air inlets (33), and the diameters of the sealing beads (38) are larger than the diameters of the air inlets (33).
7. An aqueous coating composition according to claim 1, wherein: the liquid outlet (22) is designed in an inclined mode, and the height of the position where the liquid outlet (22) on the left side of the dispersion tank body (1) is located is smaller than that of the position where the liquid outlet (22) on the right side of the dispersion tank body is located; the collecting bin (19) is designed to be inclined, and the height of the fixed point of the collecting bin (19) on the left side of the dispersing tank body (1) is smaller than that of the fixed point of the collecting bin (19) on the right side of the dispersing tank body (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881373A (en) * | 2021-08-16 | 2022-01-04 | 李秀芹 | Adhesive tape preparation system |
| CN116510619A (en) * | 2023-03-27 | 2023-08-01 | 安徽理工大学 | Preparation facilities of noble metal catalyst |
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| CN108465416A (en) * | 2018-04-17 | 2018-08-31 | 甘肃众创动力电子科技有限公司 | A kind of water paint mixed stirring device |
| CN208049765U (en) * | 2017-12-21 | 2018-11-06 | 广东青筑科技有限公司 | A kind of paint heating agitating device |
| CN208356681U (en) * | 2018-05-25 | 2019-01-11 | 武汉德宇涂料有限公司 | Agitating device is used in a kind of production of aqueous transparent sealing bottom coating |
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| CN107961685A (en) * | 2016-10-19 | 2018-04-27 | 陈健康 | A kind of improved automation coating production line |
| CN206715912U (en) * | 2017-01-21 | 2017-12-08 | 盛世安泰建筑工程（北京）有限公司 | A kind of coating reaction kettle |
| CN206604447U (en) * | 2017-03-05 | 2017-11-03 | 浙江德尔福新型建材有限公司 | A kind of aqueous sand textured coating production system |
| CN207085721U (en) * | 2017-05-17 | 2018-03-13 | 惠安县晶鹰建材有限责任公司 | A kind of self-priming coating material agitator that can be observed at any time |
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| CN208049765U (en) * | 2017-12-21 | 2018-11-06 | 广东青筑科技有限公司 | A kind of paint heating agitating device |
| CN108159952A (en) * | 2018-02-28 | 2018-06-15 | 苏州市吴中区双龙油漆涂料有限公司 | A kind of coating material agitator with multiple agitating function |
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| CN208356681U (en) * | 2018-05-25 | 2019-01-11 | 武汉德宇涂料有限公司 | Agitating device is used in a kind of production of aqueous transparent sealing bottom coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113881373A (en) * | 2021-08-16 | 2022-01-04 | 李秀芹 | Adhesive tape preparation system |
| CN116510619A (en) * | 2023-03-27 | 2023-08-01 | 安徽理工大学 | Preparation facilities of noble metal catalyst |
| CN116510619B (en) * | 2023-03-27 | 2024-04-02 | 安徽理工大学 | Preparation facilities of noble metal catalyst |
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