CN113117815A - Preparation process of graphene modified polyester resin for track anticorrosive paint - Google Patents
Preparation process of graphene modified polyester resin for track anticorrosive paint Download PDFInfo
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- CN113117815A CN113117815A CN202110240357.7A CN202110240357A CN113117815A CN 113117815 A CN113117815 A CN 113117815A CN 202110240357 A CN202110240357 A CN 202110240357A CN 113117815 A CN113117815 A CN 113117815A
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- polyester resin
- graphene
- box body
- modified polyester
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/12—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a preparation process of graphene modified polyester resin for track anticorrosive paint, which comprises the following steps: s1, mixing the graphene and the polyester resin, and then putting the mixture into a crushing device for crushing; and S2, putting the crushed graphene and polyester resin into a stirring device, and mixing and stirring to obtain a blend. According to the invention, the driving cylindrical gear is driven to rotate forwards or backwards through the first driving motor, the driven cylindrical gear is driven to drive the transmission screw to rotate, the sliding blocks at two ends are driven to move away from or close to each other in the horizontal direction, the connecting plate is driven to reciprocate in the vertical direction under the action of the connecting rod, and then the rack is driven to move in the vertical direction through the sliding rod to drive the crushing roller to rotate, so that a graphene and polyester resin mixture at the meshing position of the crushing roller and the rack is crushed, the condition that materials fly out is improved, and the crushing quality is improved.
Description
Technical Field
The invention relates to the technical field of track anticorrosive coatings, in particular to a preparation process of graphene modified polyester resin for a track anticorrosive coating.
Background
The rail transit is a transportation mode for operation and transportation according to a set rail, mainly comprising subways, light rails and trams, and the coating is a liquid material which is coated on the surface of an object to play a role in decoration, protection or other functions.
The subway is a new type of traffic tool in recent years, as the main operation area of the subway is underground and the underground humidity is high, the traditional coating is easy to corrode in a humid environment for a long time, so that a coating film is cracked and even falls off, the coating needs to be crushed and mixed with various raw materials in the preparation process, the conventional crushing device mostly adopts two meshed crushing rollers to crush the raw materials, however, the crushing rollers are easy to spin out the raw materials at the meshed positions in the rotation process, so that most of the raw materials are mixed into the crushed materials without being crushed, and the material crushing effect and the crushing quality of the materials are reduced.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the graphene modified polyester resin for the track anticorrosive paint is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the preparation process of the graphene modified polyester resin for the track anticorrosive paint comprises the following steps:
s1, mixing the graphene and the polyester resin, and then putting the mixture into a crushing device for crushing;
s2, putting the crushed materials of the graphene and the polyester resin into a stirring device for mixing and stirring to obtain a blend;
s3, adding a curing agent, a pigment filler, a degassing agent, a leveling agent and an antioxidant into the blend, stirring uniformly for the second time, and extruding at high temperature;
s4, cooling, tabletting, grinding and separating the extrudate to obtain graphene modified polyester resin;
the crushing device comprises an outer box body, a supporting column is fixedly connected to the bottom of the outer box body, an inner box body communicated with the top of the outer box body is fixedly connected to the inner portion of the outer box body, a plurality of crushing rollers are rotatably mounted on the inner surface wall of the outer box body, a guide rod is fixedly connected to the bottom of the inner box body, a connecting plate is sleeved on the outer side of the guide rod, a sliding groove corresponding to each crushing roller is formed in the outer side of the inner box body, a sliding rod in sliding connection with the sliding groove is fixedly connected to the outer side of the connecting plate, a rack in meshing connection with each crushing roller is fixedly connected to the free end of each sliding rod, and a driving device;
outer box top intercommunication has a plurality ofly and rolls the inlet pipe that the roller and the rack toothing department of smashing corresponds, outer box bottom intercommunication has the discharging pipe, install the valve on the discharging pipe, discharging pipe bottom intercommunication has the collecting box.
As a further description of the above technical solution:
the graphene comprises less than 15 layers of hexagonal honeycomb-shaped carbon sheets, and the content of carbon elements in the graphene is more than 90%.
As a further description of the above technical solution:
the pigment filler comprises one or more of titanium dioxide, pearl powder, carbon black, calcium carbonate and barium sulfate.
As a further description of the above technical solution:
the degassing agent comprises one or more of benzoin, amide wax and polyethylene wax.
As a further description of the above technical solution:
the outer box top fixedly connected with a plurality of feed plates that correspond with the inlet pipe, the vertical cross-section of feed plate is the form of falling round platform.
As a further description of the above technical solution:
the driving device comprises a transmission screw rod which is rotatably installed at the top of the inner box body, thread turning different thread sections are arranged at two ends of the transmission screw rod, sliding blocks are connected to two ends of the transmission screw rod in a screwing mode through threads, the sliding blocks are rotatably connected with the connecting plate through connecting rods, and a driving structure for driving the transmission screw rod to rotate is arranged on the inner box body.
As a further description of the above technical solution:
the driving structure comprises a driven cylindrical gear fixedly mounted at one end of the transmission screw rod, a first driving motor is fixedly mounted on one side of the top of the inner box body, and a driving cylindrical gear meshed with the driven cylindrical gear is fixedly mounted on an output shaft of the first driving motor.
As a further description of the above technical solution:
two sides of the bottom of the outer box body are rotatably provided with transmission shafts, eccentric rollers are fixedly arranged on the transmission shafts, a second driving motor is fixedly arranged on the outer side of the outer box body, and the second driving motor is in transmission connection with the transmission shafts through a belt;
the eccentric roller is provided with a top plate, the top and the bottom of the top plate are respectively and fixedly connected with a first annular baffle plate and a second annular baffle plate, the bottom of the second annular baffle plate is fixedly connected with a filter screen, and the inner part of the outer box is fixedly connected with a spring which is in elastic contact with the top plate.
As a further description of the above technical solution:
and the second annular baffle plate is fixedly connected with the filter screen through a fixing bolt thread.
As a further description of the above technical solution:
and a box door corresponding to the filter screen is installed on the outer side of the outer box body.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the driving cylindrical gear is driven to rotate forwards or backwards through the first driving motor, the driven cylindrical gear is driven to drive the transmission screw to rotate according to the meshing transmission principle of the latch, the sliding blocks at two ends are driven to move away from or close to each other in the horizontal direction according to the thread transmission principle, the connecting plate is driven to reciprocate in the vertical direction under the action of the connecting rod, the rack is driven to move in the vertical direction through the sliding rod, and the crushing roller is driven to rotate according to the meshing transmission principle of the latch, so that a mixture of graphene and polyester resin at the meshing position of the crushing roller and the rack is crushed, the condition that materials fly out is improved, and the crushing quality is improved.
2. According to the invention, under the transmission action of the belt, the transmission shaft is driven by the second driving motor to drive the eccentric roller to rotate, and the top plate drives the filter screen to reciprocate in the vertical direction under the elastic action of the spring, so that the screening efficiency of the filter screen on crushed materials is improved.
Drawings
Fig. 1 is a schematic view showing an internal structure of a crushing apparatus according to an embodiment of the present invention;
FIG. 2 illustrates a schematic top view of a crushing roller and rack connection of a crushing device provided in accordance with an embodiment of the invention;
FIG. 3 illustrates a schematic distribution of the incoming tubes of a comminution apparatus according to an embodiment of the invention;
FIG. 4 illustrates a schematic front view of a comminution apparatus provided in accordance with an embodiment of the invention;
FIG. 5 illustrates a schematic top view of a top plate of a comminution apparatus in accordance with an embodiment of the invention;
fig. 6 illustrates a schematic top view of an eccentric roller of a pulverizing apparatus provided in accordance with an embodiment of the present invention.
Illustration of the drawings:
1. an outer case; 2. a crushing roller; 3. a rack; 4. a feeding plate; 5. a feed pipe; 6. a driving cylindrical gear; 7. a first drive motor; 8. an inner box body; 9. a driven cylindrical gear; 10. a drive screw; 11. a slider; 12. a connecting rod; 13. a chute; 14. a connecting plate; 15. a slide bar; 16. a guide bar; 17. a top plate; 18. a drive shaft; 19. an eccentric roller; 20. fixing the bolt; 21. a first annular baffle; 22. a second annular baffle; 23. filtering with a screen; 24. a discharge pipe; 25. a collection box; 26. a valve; 27. a box door; 28. a belt; 29. a second drive motor; 30. a support pillar; 31. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. 1-6, the present invention provides a technical solution: the preparation process of the graphene modified polyester resin for the track anticorrosive paint comprises the following steps:
s1, mixing the graphene and the polyester resin, and then putting the mixture into a crushing device for crushing;
s2, putting the crushed materials of the graphene and the polyester resin into a stirring device for mixing and stirring to obtain a blend;
s3, adding a curing agent, a pigment filler, a degassing agent, a leveling agent and an antioxidant into the blend, stirring uniformly for the second time, and extruding at high temperature;
s4, cooling, tabletting, grinding and separating the extrudate to obtain graphene modified polyester resin;
specifically, the graphene comprises less than 15 layers of hexagonal honeycomb-shaped carbon sheets, and the content of carbon elements in the graphene is more than 90%;
specifically, the pigment and filler comprises one or more of titanium dioxide, pearl powder, carbon black, calcium carbonate and barium sulfate;
specifically, the degassing agent comprises one or more of benzoin, amide wax and polyethylene wax;
the crushing device comprises an outer box body 1, a support column 30 is fixedly connected to the bottom of the outer box body 1, an inner box body 8 communicated with the top of the outer box body 1 is fixedly connected to the inside of the outer box body 1, a plurality of crushing rollers 2 are rotatably mounted on the inner surface wall of the outer box body 1, a guide rod 16 is fixedly connected to the bottom of the inner box body 8, a connecting plate 14 is sleeved on the outer side of the guide rod 16, a chute 13 corresponding to the crushing rollers 2 is formed in the outer side of the inner box body 8, a slide rod 15 in sliding connection with the chute 13 is fixedly connected to the outer side of the connecting plate 14, a rack 3 in meshing connection with the crushing rollers 2 is fixedly connected to the free end of the slide rod 15;
the top of the outer box body 1 is communicated with a plurality of feeding pipes 5 corresponding to the meshing positions of the crushing rollers 2 and the racks 3, the bottom of the outer box body 1 is communicated with a discharging pipe 24, a valve 26 is arranged on the discharging pipe 24, and the bottom of the discharging pipe 24 is communicated with a collecting box 25;
the utility model discloses a grinding device, including outer box 1, graphite alkene and polyester resin, inlet pipe 5, graphite alkene and polyester resin drop into the meshing department of crushing roller 2 and rack 3, through drive arrangement drive connecting plate 14 at vertical direction reciprocating motion, and then drive rack 3 through slide bar 15 and remove at vertical direction, according to the meshing transmission principle of latch, drive crushing roller 2 rotates, thereby smash the graphite alkene and the polyester resin mixture of the meshing department of crushing roller 2 and rack 3, improve the condition that the material flied away, thereby improve crushing quality, graphite alkene and the discharge of polyester resin mixture after smashing are through discharging pipe 24 to the collecting box 25 in.
Referring to fig. 1, the top of the outer box 1 is fixedly connected with a plurality of feeding plates 4 corresponding to the feeding pipes 5, the vertical section of each feeding plate 4 is in an inverted truncated cone shape, and the mixture of graphene and polyester resin slides along the surface of each feeding plate 4 to the meshing position of the crushing roller 2 and the rack 3.
Referring to fig. 1, the driving device includes a driving screw 10 rotatably mounted on the top of the inner box 8, two ends of the driving screw 10 have screw sections with different screw directions, two ends of the driving screw 10 are rotatably connected with a sliding block 11 through screw threads, the sliding block 11 is rotatably connected with a connecting plate 14 through a connecting rod 12, and the inner box 8 is provided with a driving structure for driving the driving screw 10 to rotate;
the driving structure comprises a driven cylindrical gear 9 fixedly arranged at one end of a transmission screw rod 10, a first driving motor 7 is fixedly arranged at one side of the top of the inner box body 8, and a driving cylindrical gear 6 meshed with the driven cylindrical gear 9 is fixedly arranged on an output shaft of the first driving motor 7;
the driving cylindrical gear 6 is driven to rotate positively or reversely through the first driving motor 7, the driven cylindrical gear 9 is driven to drive the transmission screw rod 10 to rotate according to the meshing transmission principle of the latch, the sliding blocks 11 at the two ends of the driving shaft are driven to move away from or close to each other in the horizontal direction according to the thread transmission principle, and the connecting plate 14 is driven to reciprocate in the vertical direction under the action of the connecting rod 12.
Referring to fig. 1, 5 and 6, transmission shafts 18 are rotatably mounted on two sides of the bottom of the outer box 1, an eccentric roller 19 is fixedly mounted on the transmission shaft 18, a second driving motor 29 is fixedly mounted on the outer side of the outer box 1, and the second driving motor 29 is in transmission connection with the transmission shaft 18 through a belt 28;
a top plate 17 is arranged on the eccentric roller 19, the top and the bottom of the top plate 17 are respectively and fixedly connected with a first annular baffle 21 and a second annular baffle 22, the bottom of the second annular baffle 22 is fixedly connected with a filter screen 23, and a spring 31 which is elastically contacted with the top plate 17 is fixedly connected inside the outer box 1;
under the transmission effect of belt 28, drive transmission shaft 18 through second driving motor 29 and drive eccentric roller 19 and rotate, combine the elastic action of spring 31 down for roof 17 drives filter screen 23 reciprocating motion in vertical direction, thereby improves the screening efficiency of filter screen 23 to the material after smashing.
Referring to fig. 1, the second annular baffle 22 and the filter screen 23 are fixedly connected by the fixing bolt 20 through threads, so that the filter screen 23 can be conveniently disassembled and assembled.
Referring to fig. 4, a box door 27 corresponding to the filter 23 is installed at the outer side of the outer box 1 for facilitating the taking and placing of the filter 23.
The working principle is as follows: when the graphene and polyester composite material is used, S1, mixing the graphene and the polyester resin, and then putting the mixture into a crushing device for crushing;
firstly, feeding graphene and polyester resin into an outer box body 1 through a feeding pipe 5, and enabling the graphene and the polyester resin to slide to the meshing position of a grinding roller 2 and a rack 3 along the surface of a feeding plate 4;
then, the driving cylindrical gear 6 is driven to rotate forwards or backwards through the first driving motor 7, the driven cylindrical gear 9 is driven to drive the transmission screw rod 10 to rotate according to the meshing transmission principle of the latch, the sliding blocks 11 at two ends are driven to move away from or close to each other in the horizontal direction according to the thread transmission principle, the connecting plate 14 is driven to reciprocate in the vertical direction under the action of the connecting rod 12, the rack 3 is driven to move in the vertical direction through the sliding rod 15, the crushing roller 2 is driven to rotate according to the meshing transmission principle of the latch, so that a graphene and polyester resin mixture at the meshing position of the crushing roller 2 and the rack 3 is crushed, the condition that materials fly out is improved, and the crushing quality is improved;
then, under the transmission action of the belt 28, the transmission shaft 18 is driven by the second driving motor 29 to drive the eccentric roller 19 to rotate, and under the elastic action of the spring 31, the top plate 17 drives the filter screen 23 to reciprocate in the vertical direction, so that the screening efficiency of the filter screen 23 on the crushed materials is improved;
finally, opening a valve 26, and discharging the graphene and polyester resin mixture screened by the filter screen 23 into a collection box 25 through a discharge pipe 24;
s2, putting the crushed materials of the graphene and the polyester resin into a stirring device for mixing and stirring to obtain a blend;
s3, adding a curing agent, a pigment filler, a degassing agent, a leveling agent and an antioxidant into the blend, stirring uniformly for the second time, and extruding at high temperature;
and S4, cooling and tabletting the extrudate, grinding and separating to obtain the graphene modified polyester resin.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The preparation process of the graphene modified polyester resin for the track anticorrosive paint is characterized by comprising the following steps of:
s1, mixing the graphene and the polyester resin, and then putting the mixture into a crushing device for crushing;
s2, putting the crushed materials of the graphene and the polyester resin into a stirring device for mixing and stirring to obtain a blend;
s3, adding a curing agent, a pigment filler, a degassing agent, a leveling agent and an antioxidant into the blend, stirring uniformly for the second time, and extruding at high temperature;
s4, cooling, tabletting, grinding and separating the extrudate to obtain graphene modified polyester resin;
the crushing device comprises an outer box body (1), a supporting column (30) is fixedly connected to the bottom of the outer box body (1), the inner part of the outer box body (1) is fixedly connected with an inner box body (8) communicated with the top part of the outer box body (1), the inner surface wall of the outer box body (1) is rotatably provided with a plurality of crushing rollers (2), the bottom of the inner box body (8) is fixedly connected with a guide rod (16), a connecting plate (14) is sleeved on the outer side of the guide rod (16), a chute (13) corresponding to the crushing roller (2) is arranged on the outer side of the inner box body (8), a slide bar (15) which is connected with the chute (13) in a sliding way is fixedly connected with the outer side of the connecting plate (14), the free end of the sliding rod (15) is fixedly connected with a rack (3) which is meshed and connected with the crushing roller (2), a driving device for driving the connecting plate (14) to move in the vertical direction is arranged in the inner box body (8);
outer box (1) top intercommunication has a plurality ofly and inlet pipe (5) that roll up roller (2) and rack (3) meshing department and correspond, outer box (1) bottom intercommunication has discharging pipe (24), install valve (26) on discharging pipe (24), discharging pipe (24) bottom intercommunication has collecting box (25).
2. The preparation process of the graphene-modified polyester resin for the rail anticorrosive paint, according to claim 1, wherein the graphene comprises less than 15 layers of hexagonal honeycomb-shaped carbon sheets, and the content of carbon element in the graphene is greater than 90%.
3. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 1, wherein the pigment and filler comprises one or more of titanium dioxide, pearl powder, carbon black, calcium carbonate and barium sulfate.
4. The preparation process of the graphene-modified polyester resin for the track anticorrosive paint according to claim 1, wherein the degassing agent comprises one or more of benzoin, amide wax and polyethylene wax.
5. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 1, wherein a plurality of feeding plates (4) corresponding to the feeding pipes (5) are fixedly connected to the top of the outer box (1), and the vertical sections of the feeding plates (4) are in an inverted truncated cone shape.
6. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 5, wherein the driving device comprises a transmission screw (10) rotatably mounted at the top of the inner box body (8), thread sections with different thread turning directions are arranged at two ends of the transmission screw (10), two ends of the transmission screw (10) are connected with a sliding block (11) in a threaded manner, the sliding block (11) and the connecting plate (14) are rotatably connected through a connecting rod (12), and a driving structure for driving the transmission screw (10) to rotate is arranged on the inner box body (8).
7. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 6, wherein the driving structure comprises a driven cylindrical gear (9) fixedly mounted at one end of a transmission screw (10), a first driving motor (7) is fixedly mounted at one side of the top of the inner box body (8), and a driving cylindrical gear (6) in meshed connection with the driven cylindrical gear (9) is fixedly mounted on an output shaft of the first driving motor (7).
8. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 7, wherein transmission shafts (18) are rotatably mounted on two sides of the bottom of the outer box (1), an eccentric roller (19) is fixedly mounted on each transmission shaft (18), a second driving motor (29) is fixedly mounted on the outer side of the outer box (1), and the second driving motor (29) is in transmission connection with the transmission shafts (18) through a belt (28);
be equipped with roof (17) on eccentric roller (19), roof (17) top and bottom are first annular baffle of fixedly connected with (21) and second annular baffle (22) respectively, second annular baffle (22) bottom fixedly connected with filter screen (23), spring (31) of outer box (1) inside fixedly connected with and roof (17) elastic contact.
9. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 8, wherein the second annular baffle (22) and the filter screen (23) are fixedly connected through a fixing bolt (20) in a threaded manner.
10. The preparation process of the graphene modified polyester resin for the track anticorrosive paint according to claim 9, wherein a box door (27) corresponding to the filter screen (23) is installed on the outer side of the outer box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110240357.7A CN113117815A (en) | 2021-03-04 | 2021-03-04 | Preparation process of graphene modified polyester resin for track anticorrosive paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110240357.7A CN113117815A (en) | 2021-03-04 | 2021-03-04 | Preparation process of graphene modified polyester resin for track anticorrosive paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113117815A true CN113117815A (en) | 2021-07-16 |
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| CN202110240357.7A Withdrawn CN113117815A (en) | 2021-03-04 | 2021-03-04 | Preparation process of graphene modified polyester resin for track anticorrosive paint |
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Cited By (1)
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| CN117907163A (en) * | 2024-03-19 | 2024-04-19 | 四川沃耐稀新材料科技有限公司 | Lanthanum chloride cooling crystallization screening is with survey device |
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Application publication date: 20210716 |