CN111234552A - Extinction plastic master batch and preparation method thereof - Google Patents
Extinction plastic master batch and preparation method thereof Download PDFInfo
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- CN111234552A CN111234552A CN202010142231.1A CN202010142231A CN111234552A CN 111234552 A CN111234552 A CN 111234552A CN 202010142231 A CN202010142231 A CN 202010142231A CN 111234552 A CN111234552 A CN 111234552A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
- B29B9/00—Making granules
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2400/00—Characterised by the use of unspecified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention belongs to the technical field of plastic master batches, and particularly relates to an extinction plastic master batch and a preparation method thereof, wherein production equipment adopted by the preparation method comprises a cylinder body, a cylinder cover, a grinding unit, a mixing unit, a water delivery unit and a controller; the grinding unit, the mixing unit and the water delivery unit are all positioned in the cylinder body, and the mixing unit comprises a motor and a packing auger; the water delivery unit comprises a water inlet pipe, a water storage tank and a sprinkling pipe; the grinding unit comprises a pair of differential grinding gears, a conical table and a first sliding block; according to the invention, by arranging the press-grinding unit, the water delivery unit and the mixing unit, the nano titanium dioxide can be press-ground by utilizing the grinding unit, and the particle size of the nano titanium dioxide put into the cylinder body is strictly controlled, so that the color and luster degree of the subsequently prepared extinction plastic master batch is uniform; meanwhile, the water delivery unit is matched with the mixing unit, the ground nano titanium dioxide and other raw materials are fully mixed, and the quality of the subsequently prepared extinction plastic master batch is ensured.
Description
Technical Field
The invention belongs to the technical field of plastic master batches, and particularly relates to an extinction plastic master batch and a preparation method thereof.
Background
Along with the continuous improvement of living standard, the aesthetic concept of people is changed, the requirement on the appearance characteristics of the product is diversified, the surface effect of the product is improved from multiple aspects such as vision, aesthetics and advertising effect, and the extinction plastic is produced under the background.
Extinction is typically achieved by scattering light, which has two ways: the surface of the product is scattered to be extinction, and the scattering from the reinforced product body is extinction. The surface scattering is realized by improving the surface roughness of the product, the bulk extinction is caused by optical nonuniformity in the substance, the optical nonuniformity is generated by particles or molecules and atoms in the substance and has close relation with the physical properties of the material, wherein the most critical factor is the refractive index difference among all micro-regions in the product.
Plastic Master batch (Plastic Master batch) is a concentrate in which a Plastic additive is excessively supported in a resin; when the plastic product is manufactured, the plastic additive does not need to be added, and the master batch with the excess amount is added in proportion. Therefore, the plastic master batch is a special material for processing a novel high polymer material. The product can be used in various forms, such as filling master batch, color master batch, flame retardant master batch, antistatic master batch, wear-resistant master batch and multifunctional master batch.
In the prior art, inorganic fillers such as silica, wollastonite, talcum powder, mica powder or calcium carbonate are usually added into plastics, and the inorganic fillers protrude out of the surface of a plastic product after molding to form an uneven micro shape, so that the plastics show an extinction effect. However, this method has limitations, the inorganic filler is often coated inside the plastic during the plastic processing, and the inorganic filler is not concentrated on the surface of the plastic product, thereby greatly reducing the extinction effect. Moreover, most of these fillers have a sheet-like structure, and the matting effect is inherently weak, and mica powder and talc powder are generally fine, and excessively fine filler particles rather improve the glossiness of plastic products.
The invention provides a novel extinction plastic master batch for overcoming the problems, and the plastic product has a good extinction effect.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems described in the background art, the invention provides a delustering plastic master batch and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the extinction plastic master batch comprises the following components in parts by weight:
the components in parts by weight are prepared by a preparation method of the extinction plastic master batch, and the prepared extinction plastic master batch is placed in a ventilated and dry place for storage.
Preferably, the dispersant is a mixture of a polymer type hyperdispersant and a controlled free type hyperdispersant, and the ratio of the polymer type hyperdispersant to the controlled free type hyperdispersant of the mixture is 1: 2; the dispersant is selected from a mixture of a macromolecular hyperdispersant and a controlled free hyperdispersant, the macromolecular dispersant has good stability, and one end of an anchoring group of the macromolecular dispersant is wound and adsorbed with resin, and the other end of the anchoring group of the macromolecular dispersant is coated with pigment particles, so that the storage stability is good, the controlled free hyperdispersant can enable the relative molecular mass distribution to be more concentrated, the anchoring group to be more concentrated, and the efficiency to be higher; meanwhile, the ratio of the high-molecular hyperdispersant to the controlled free-type hyperdispersant is 1:2, so that the work of the anchoring group is greatly improved, and the prepared extinction plastic master batch is more convenient to store.
A preparation method of the extinction plastic master batch is suitable for preparing the extinction plastic master batch, and comprises the following steps:
s1, drying the raw materials of the resin, the pigment, the polypropylene β crystal form nucleating agent, the antioxidant, the nano titanium dioxide and the dispersing agent respectively, then putting the dried raw materials and water into production equipment for mixing, controlling the mixing speed of the production equipment to be 300r/min, and mixing and stirring for fifteen minutes;
s2: putting the mixture mixed and stirred in the step S1 into granulation equipment for granulation treatment to obtain extinction plastic master batches, and putting the obtained extinction plastic master batches into a ventilated and dry place for storage;
the production equipment adopted in S1 comprises a barrel, a barrel cover, a grinding unit, a mixing unit, a water delivery unit and a controller, wherein the controller is used for controlling the work of the production equipment, the barrel and the barrel cover are installed in a matching mode through a bolt and a nut, a discharge pipe is arranged on the side wall of the barrel, a feed pipe is arranged in the middle of the barrel cover, the grinding unit, the mixing unit and the water delivery unit are all arranged in the barrel, the mixing unit comprises a motor and an auger, the motor is fixedly installed on the barrel cover, the end portion of an output shaft of the motor is connected with the auger, the water delivery unit comprises a water inlet pipe, a water storage tank and a water sprinkling pipe, one end of the water inlet pipe is arranged outside the barrel and is in rotating connection with a water pump, the other end of the water storage tank is fixedly connected and communicated with the water storage tank, the sprinkling pipes are at least two in number, a group of sprinkling openings are arranged on the sprinkling pipes, two ends of the sprinkling pipes are connected with a water storage tank and are communicated with a water storage tank, the grinding unit comprises a pair of differential grinding gears, a pair of the differential grinding gears, a conical grinding wheel, a conical platform and a first slide block, a pair of the grinding gears are respectively sleeved on the outer rings of the output shaft of the grinding wheel, a pair of the grinding wheel, a grinding wheel is arranged on the grinding wheel, a pair of the grinding wheel, a.
Preferably, a group of high-pressure nozzles are arranged on the inner wall of the cylinder body below the pair of differential grinding gears; each high-pressure nozzle is communicated with an external high-pressure carbon dioxide tank through a gas transmission pipe, and an arc-shaped block is arranged on one side, close to the side wall of the barrel, of each high-pressure nozzle; the plastic color master batch can be degraded through the mutual matching of the high-pressure spray head and the arc-shaped block; by arranging the high-pressure spray head, on one hand, the gear teeth of the pair of differential grinding gears can be cleaned through the gas sprayed out of the high-pressure spray head, and the influence of large particles of ground nano titanium dioxide on the rotation of the pair of differential grinding gears after the nano titanium dioxide is ground by the pair of differential grinding gears is avoided; on the other hand, the sprayed high-pressure carbon dioxide gas can improve the quality of the extinction plastic master batch prepared in the later period, so that the prepared extinction plastic master batch can be degraded, and the influence of the extinction plastic master batch on the environment is reduced; simultaneously, set up the arc piece for nanometer titanium dioxide after the grinding from a pair of differential grinding gear apart from barrel inner wall clearance does not pile up on high-pressure nozzle, leads to high-pressure nozzle pressurized back mounted position to change, makes high-pressure nozzle can not aim at the teeth of a cogwheel of a pair of differential grinding gear, influences the clearance between the teeth of a cogwheel of high-pressure carbon dioxide gas to a pair of differential grinding gear, thereby has improved this production facility's suitability.
Preferably, a group of cleaning rings is uniformly sleeved on the outer ring of the sprinkling pipe; the adjacent cleaning rings are connected through a spring; the outer wall of the sprinkling pipe is cleaned through the cleaning ring, so that the raw material is prevented from blocking a sprinkling opening; through setting up the clearance ring, along with the rotation of sprinkler pipe for the slip of making a round trip is carried out to the clearance ring on the outer lane of sprinkler pipe, gliding clearance ring will block up the raw materials clearance of locating at the sprinkler, avoids the raw materials to block up the sprinkler and leads to water can not follow the blowout of sprinkler department, influences the mixture of raw materials, thereby has improved production facility's practicality.
Preferably, a group of stirring plates are arranged at the end part of the packing auger; a first groove is formed in the middle of the stirring plate, and a sliding plate and a first air bag are arranged in the first groove; two ends of the sliding plate are fixedly connected to the inner wall of the first groove through springs; the first air bag is positioned at two ends of the sliding plate, one end of the first air bag is fixedly connected to the inner wall of the first groove, and the other end of the first air bag is contacted with the sliding plate; through setting up the sliding plate, in a set of sliding plate follows the auger and rotates, because the difference of motor during operation rotational speed, make the sliding plate slide at an inslot effect, and in the sliding plate is smooth, an gasbag is extruded to the sliding plate, an gasbag receives the outside drum gas of extrusion, the gas of drum-out is cleared up a groove on the one hand, avoid influencing the subsequent slip of sliding plate, on the other hand, the gas of drum-out blows to mixed raw materials, make mixed raw materials shake, increase the mixing degree of raw materials, thereby the quality of follow-up extinction plastics master batch has been improved.
Preferably, a group of grinding blocks is arranged on the sliding plate far away from the first groove, and the grinding blocks on the adjacent sliding plates are arranged discontinuously; through setting up a set of grinding piece, and the grinding piece on the adjacent sliding plate is interrupted the setting, when the sliding plate slides in a groove, the grinding piece cooperation of interrupting the setting ground the raw materials in the barrel once more, further reduces the particle size of raw materials, further improves the quality of follow-up extinction plastic master batch.
The invention has the following beneficial effects:
1. according to the extinction plastic master batch and the preparation method, the press grinding unit, the water delivery unit and the mixing unit are arranged, the nano titanium dioxide can be press-ground by the grinding unit, and the particle size of the nano titanium dioxide put into the cylinder is strictly controlled, so that the extinction plastic master batch prepared subsequently is uniform in color and luster; meanwhile, the water delivery unit is matched with the mixing unit, the ground nano titanium dioxide and other raw materials are fully mixed, and the quality of the subsequently prepared extinction plastic master batch is ensured.
2. According to the extinction plastic master batch and the preparation method, the high-pressure spray heads are arranged, on one hand, the gas sprayed out of the high-pressure spray heads can clean the gear teeth of the pair of differential grinding gears, and the influence of large particles of ground nano titanium dioxide on the rotation of the pair of differential grinding gears after the nano titanium dioxide is ground by the pair of differential grinding gears is avoided; on the other hand, the sprayed high-pressure carbon dioxide gas can improve the quality of the extinction plastic master batch prepared in the later period, so that the prepared extinction plastic master batch can be degraded, and the influence of the extinction plastic master batch on the environment is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the method of the present invention for delustering plastic masterbatches;
FIG. 2 is a perspective view of a production facility employed in the present invention;
FIG. 3 is a cross-sectional view of a production facility employed in the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a partial enlarged view at B in FIG. 3;
FIG. 6 is an enlarged view of a portion of FIG. 3 at C;
FIG. 7 is an enlarged view of a portion of FIG. 5 at D;
in the figure: the device comprises a barrel body 1, a discharge pipe 11, a barrel cover 2, a feed pipe 21, a grinding unit 3, a differential grinding gear 31, a conical table 32, a first sliding block 33, a high-pressure spray head 34, an arc-shaped block 35, a mixing unit 4, a motor 41, an auger 42, a stirring plate 43, a first groove 431, a sliding plate 44, a first air bag 45, a grinding block 46, a water delivery unit 5, a water inlet pipe 51, a water storage tank 52, a sprinkling pipe 53 and a cleaning ring 54.
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.
The first embodiment is as follows:
the extinction plastic master batch comprises, by weight, 20 parts of resin, 35 parts of pigment, 15 parts of polypropylene β crystal form nucleating agent, 10 parts of antioxidant, 12 parts of nano titanium dioxide, 15 parts of dispersant and 40 parts of water;
the components in parts by weight are prepared by a delustering plastic master batch preparation method, and the prepared delustering plastic master batch is placed in a ventilated and dry place for storage;
and testing the glossiness of the extinction plastic master batch prepared by the weight parts.
Example two:
the extinction plastic master batch comprises, by weight, 20 parts of resin, 35 parts of pigment, 15 parts of polypropylene β crystal form nucleating agent, 10 parts of antioxidant, 12 parts of nano titanium dioxide, 20 parts of dispersant and 40 parts of water;
the components in parts by weight are prepared by a delustering plastic master batch preparation method, and the prepared delustering plastic master batch is placed in a ventilated and dry place for storage;
and testing the glossiness of the extinction plastic master batch prepared by the weight parts.
Example three:
the extinction plastic master batch comprises, by weight, 20 parts of resin, 35 parts of pigment, 15 parts of polypropylene β crystal form nucleating agent, 10 parts of antioxidant, 12 parts of nano titanium dioxide, 25 parts of dispersant and 40 parts of water;
the components in parts by weight are prepared by a delustering plastic master batch preparation method, and the prepared delustering plastic master batch is placed in a ventilated and dry place for storage;
and testing the glossiness of the extinction plastic master batch prepared by the weight parts.
The test results of the above examples are shown in the following table:
| examples | A | II | III |
| Degree of gloss | 80 | 92 | 97 |
In conclusion, the extinction plastic master batch can be prepared through reasonable proportioning, and under the condition that the weight parts of the resin, the pigment, the polypropylene β crystal form nucleating agent, the antioxidant, the nano titanium dioxide and the water are not changed, the prepared extinction plastic master batch has better glossiness and better extinction effect along with the increase of the weight parts of the dispersing agent.
As a specific embodiment of the invention, the dispersant is a mixture of a polymer type hyperdispersant and a controlled free type hyperdispersant, and the ratio of the polymer type hyperdispersant to the controlled free type hyperdispersant in the mixture is 1: 2; the dispersant is selected from a mixture of a macromolecular hyperdispersant and a controlled free hyperdispersant, the macromolecular dispersant has good stability, and one end of an anchoring group of the macromolecular dispersant is wound and adsorbed with resin, and the other end of the anchoring group of the macromolecular dispersant is coated with pigment particles, so that the storage stability is good, the controlled free hyperdispersant can enable the relative molecular mass distribution to be more concentrated, the anchoring group to be more concentrated, and the efficiency to be higher; meanwhile, the ratio of the high-molecular hyperdispersant to the controlled free-type hyperdispersant is 1:2, so that the work of the anchoring group is greatly improved, and the prepared extinction plastic master batch is more convenient to store.
As shown in fig. 1 to 7, a preparation method of a matte plastic master batch is suitable for preparing the above matte plastic master batch, and the preparation method comprises the following steps:
s1, drying the raw materials of the resin, the pigment, the polypropylene β crystal form nucleating agent, the antioxidant, the nano titanium dioxide and the dispersing agent respectively, then putting the dried raw materials and water into production equipment for mixing, controlling the mixing speed of the production equipment to be 300r/min, and mixing and stirring for fifteen minutes;
s2: putting the mixture mixed and stirred in the step S1 into granulation equipment for granulation treatment to obtain extinction plastic master batches, and putting the obtained extinction plastic master batches into a ventilated and dry place for storage;
a production device adopted in S1 comprises a barrel 1, a barrel cover 2, a grinding unit 3, a mixing unit 4, a water delivery unit 5 and a controller, wherein the controller is used for controlling the work of the production device, the barrel 1 and the barrel cover 2 are installed in a matching mode through a bolt and a nut, a discharge pipe 11 is arranged on the side wall of the barrel 1, a feed pipe 21 is arranged in the middle of the barrel cover 2, the grinding unit 3, the mixing unit 4 and the water delivery unit 5 are all positioned in the barrel 1, the mixing unit 4 comprises a motor 41 and an auger 42, the motor 41 is fixedly installed on the barrel cover 2, the end portion of an output shaft of the motor 41 is connected with the auger 42, the water delivery unit 5 comprises a water inlet pipe 51, a water storage tank 52 and a water spray pipe 53, one end of the water inlet pipe 51 is positioned outside the barrel 1 and is connected with a water pump in a rotating mode, the other end of the water inlet pipe 51 is fixedly connected with and communicated with a water storage tank 52, the number of the water spray pipe 53 is at least two, a group of spray openings are arranged on the water spray pipe 53, two ends of the spray pipe 53 are connected and communicated with a water storage tank 52, two ends of the spray pipe 53 are connected with the water storage tank 52, two ends of the spray pipe 53 and the water spray pipe 53 are connected with the water storage tank 52 and communicated with the water storage tank 52, the spray tank, the spray pipe 53, the spray tank 31 respectively, the spray tank 31, the spray nozzle is connected with the spray nozzle, the spray nozzle 31 and the spray nozzle 53, the spray nozzle 31 and the spray nozzle 53, the spray nozzle 31 and the spray nozzle 31 is connected with the spray nozzle 31 and the spray nozzle 31 are connected with the spray nozzle 31 and the spray nozzle 31 are connected with the spray nozzle 31 and the spray nozzle 31, the spray nozzle 31 respectively, the spray nozzle 31 are connected with the spray nozzle 31 and the spray nozzle, the spray nozzle 31 and the spray nozzle of the spray nozzle 31 are connected with the spray nozzle 31 and the spray nozzle.
As a specific embodiment of the present invention, a set of high pressure nozzles 34 is disposed on the inner wall of the cylinder 1 below the pair of differential grinding gears 31; each high-pressure spray head 34 is communicated with an external high-pressure carbon dioxide tank through a gas transmission pipe, and an arc-shaped block 35 is arranged on one side, close to the side wall of the barrel 1, of each high-pressure spray head 34; the plastic color master batch can be degraded through the mutual matching between the high-pressure spray head 34 and the arc-shaped block 35; by arranging the high-pressure spray head 34, on one hand, the gear teeth of the pair of differential grinding gears 31 can be cleaned through the gas sprayed from the high-pressure spray head 34, and the influence of large particles of ground nano titanium dioxide on the rotation of the pair of differential grinding gears 31 after the nano titanium dioxide is ground by the pair of differential grinding gears 31 is avoided; on the other hand, the sprayed high-pressure carbon dioxide gas can improve the quality of the extinction plastic master batch prepared in the later period, so that the prepared extinction plastic master batch can be degraded, and the influence of the extinction plastic master batch on the environment is reduced; meanwhile, the arc-shaped block 35 is arranged, so that ground nano titanium dioxide from the gap between the pair of differential grinding gears 31 and the inner wall of the cylinder 1 is not accumulated on the high-pressure nozzle 34, the installation position of the high-pressure nozzle 34 is changed after being pressed, the high-pressure nozzle 34 cannot be aligned to the gear teeth of the pair of differential grinding gears 31, the cleaning of high-pressure carbon dioxide gas to the gear teeth of the pair of differential grinding gears 31 is influenced, and the applicability of the production equipment is improved.
As a specific embodiment of the present invention, a group of cleaning rings 54 is uniformly sleeved on the outer ring of the sprinkler pipe 53; the adjacent cleaning rings 54 are connected through springs; the outer wall of the sprinkling pipe 53 is cleaned through the cleaning ring 54, so that the raw materials are prevented from blocking a sprinkling opening; through setting up clearance ring 54, along with the rotation of sprinkler pipe 53 for the slip that makes a round trip is carried out on the outer lane of sprinkler pipe 53 to clearance ring 54, gliding clearance ring 54 will block up the raw materials clearance of locating at the sprinkler, avoids raw materials to block up the sprinkler and leads to water can not follow the blowout of sprinkler department, influences the mixture of raw materials, thereby has improved production facility's practicality.
As a specific embodiment of the invention, a group of stirring plates 43 is arranged at the end part of the packing auger 42; a first groove 431 is formed in the middle of the stirring plate 43, and a sliding plate 44 and a first air bag 45 are arranged in the first groove 431; the two ends of the sliding plate 44 are fixedly connected to the inner wall of the first groove 431 through springs; the first air bags 45 are positioned at two ends of the sliding plate 44, one end of each first air bag 45 is fixedly connected to the inner wall of the first groove 431, and the other end of each first air bag 45 is in contact with the sliding plate 44; through setting up sliding plate 44, in a set of sliding plate 44 followed auger 42 and rotated, because the difference of the rotational speed when motor 41 worked, make sliding plate 44 act on in a groove 431 and slide, and in sliding plate 44 slides, sliding plate 44 extrudees an gasbag 45, a gasbag 45 receives the extrusion and outwards bloies, the gas of bloating is cleared up a groove 431 on the one hand, avoid influencing the subsequent slip of sliding plate 44, on the other hand, the gas of bloating blows to mixed raw materials, make mixed raw materials shake, increase the mixed degree of raw materials, thereby improved the quality of follow-up extinction plastic master batch.
As an embodiment of the present invention, a set of grinding blocks 46 is disposed on the sliding plate 44 away from the first groove 431, and the grinding blocks 46 on the adjacent sliding plate 44 are intermittently disposed; through setting up a set of grinding block 46, and grinding block 46 on the adjacent sliding plate 44 is interrupted the setting, when sliding plate 44 slided in groove 431, the grinding block 46 cooperation that is interrupted the setting ground the raw materials in barrel 1 once more, further reduced the particle size of raw materials, further improved the quality of follow-up extinction plastic master batch.
When the device is used, firstly, resin, pigment, polypropylene β crystal form nucleating agent, antioxidant and dispersant are thrown in from a feed pipe 21, the particle sizes of the resin, the pigment, polypropylene β crystal form nucleating agent, the antioxidant and the dispersant are all smaller than the distance between the inner walls of a pair of differential grinding gears 31 and the inner walls of a barrel 1, the resin, the pigment, polypropylene β crystal form nucleating agent, the antioxidant and the dispersant are not ground by the pair of differential grinding gears 31, so that the resin, the pigment, the polypropylene β crystal form nucleating agent, the antioxidant and the dispersant flow along a conical table 32 and enter the area of the barrel 1 below the pair of differential grinding gears 31, then, water is injected into the barrel 1 through a water inlet pipe 51 and nanometer titanium dioxide is thrown in from the barrel 21, the particle size of the nanometer titanium dioxide is larger than the distance between the pair of differential grinding gears 31 and the inner walls of the barrel 1 in an initial state, so that the nanometer titanium dioxide cannot reach the lower part of the pair of differential grinding gears 31, at the moment, the work of the motor 41 is controlled by a controller, so as to drive an auger 42 and a grinding gear 31 sleeved on an output shaft of a grinding gear 31, the motor 31, the grinding gear 31, the auger 31 is positioned below the rotating, the differential grinding gear 31, the mixing process of grinding water inlet pipe is carried out, the stirring is carried out, the raw material grinding process of grinding, the grinding process of grinding is carried out, the grinding process of grinding the grinding process, the grinding process of grinding process is carried out, the grinding process of grinding process is carried out, the grinding process, the grinding.
The front, the back, the left, the right, the upper and the lower are all based on the figure 2 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
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. A delustering plastic master batch is characterized in that: comprises the following components in parts by weight:
the components in parts by weight are prepared by a preparation method of the extinction plastic master batch, and the prepared extinction plastic master batch is placed in a ventilated and dry place for storage.
2. The matted plastic master batch according to claim 1, wherein: the dispersing agent is a mixture of a polymer type hyper-dispersing agent and a controlled free type hyper-dispersing agent, and the ratio of the polymer type hyper-dispersing agent to the controlled free type hyper-dispersing agent of the mixture is 1: 2.
3. A preparation method of extinction plastic master batch is characterized in that: the preparation method is suitable for preparing the extinction plastic master batch of any one of claims 1-2, and comprises the following steps:
s1, drying the raw materials of the resin, the pigment, the polypropylene β crystal form nucleating agent, the antioxidant, the nano titanium dioxide and the dispersing agent respectively, then putting the dried raw materials and water into production equipment for mixing, controlling the mixing speed of the production equipment to be 300r/min, and mixing and stirring for fifteen minutes;
s2: putting the mixture mixed and stirred in the step S1 into granulation equipment for granulation treatment to obtain extinction plastic master batches, and putting the obtained extinction plastic master batches into a ventilated and dry place for storage;
the production equipment adopted in the S1 comprises a cylinder body (1), a cylinder cover (2), a grinding unit (3), a mixing unit (4), a water delivery unit (5) and a controller; the controller is used for controlling the work of the production equipment; the barrel body (1) and the barrel cover (2) are installed in a matched mode through bolts and nuts, a discharge pipe (11) is arranged on the side wall of the barrel body (1), and a feed pipe (21) is arranged in the middle of the barrel cover (2); the grinding unit (3), the mixing unit (4) and the water delivery unit (5) are all positioned in the cylinder body (1), and the mixing unit (4) comprises a motor (41) and a packing auger (42); the motor (41) is fixedly arranged on the cylinder cover (2), and the end part of an output shaft of the motor (41) is connected with the packing auger (42); the water delivery unit (5) comprises a water inlet pipe (51), a water storage tank (52) and a sprinkling pipe (53); one end of the water inlet pipe (51) is positioned outside the barrel body (1) and is rotationally connected with the water pump, and the other end of the water inlet pipe is fixedly connected and communicated with the water storage tank (52); the number of the sprinkling pipes (53) is at least two, a group of sprinkling openings are arranged on the sprinkling pipes (53), and two ends of the sprinkling pipes (53) are connected to the water storage tank (52) and communicated with each other; the grinding unit (3) comprises a pair of differential grinding gears (31), a conical table (32) and a first sliding block (33); the pair of differential grinding gears (31) are respectively sleeved on the outer rings of the water inlet pipe (51) and the output shaft of the motor (41), the pair of differential grinding gears (31) are mutually meshed, and the distance between the inner walls of the cylinder bodies (1) of the pair of differential grinding gears (31) is twenty millimeters; the conical table (32) is arranged on the inner wall of the cylinder cover (2) through a bracket; the first sliding block (33) is fixedly connected to the conical table (32), and the first sliding block (33) is respectively positioned in sliding grooves in the upper surfaces of the differential grinding gears (31); the raw materials in the barrel (1) are mixed through mutual matching among the grinding unit (3), the water delivery unit (5) and the mixing unit (4).
4. The method for preparing the extinction plastic master batch according to claim 3, characterized in that: a group of high-pressure nozzles (34) are arranged on the inner wall of the cylinder body (1) below the pair of differential grinding gears (31); each high-pressure spray head (34) is communicated with an external high-pressure carbon dioxide tank through a gas transmission pipe, and an arc-shaped block (35) is arranged on one side, close to the side wall of the barrel body (1), of each high-pressure spray head (34); the plastic color master batch can be degraded through the mutual matching between the high-pressure spray head (34) and the arc-shaped block (35).
5. The method for preparing the extinction plastic master batch according to claim 3, characterized in that: a group of cleaning rings (54) are uniformly sleeved on the outer ring of the sprinkling pipe (53); the adjacent cleaning rings (54) are connected through springs; the outer wall of the sprinkling pipe (53) is cleaned through the cleaning ring (54), so that the situation that the spraying opening is blocked by raw materials is avoided.
6. The method for preparing the extinction plastic master batch according to claim 4, characterized in that: a group of stirring plates (43) are arranged at the end part of the packing auger (42); a first groove (431) is formed in the middle of the stirring plate (43), and a sliding plate (44) and a first air bag (45) are arranged in the first groove (431); two ends of the sliding plate (44) are fixedly connected to the inner wall of the first groove (431) through springs; the first air bags (45) are positioned at two ends of the sliding plate (44), one end of each first air bag (45) is fixedly connected to the inner wall of the first groove (431), and the other end of each first air bag is in contact with the sliding plate (44).
7. The method for preparing the extinction plastic master batch according to claim 5, characterized in that: a group of grinding blocks (46) are arranged on the sliding plate (44) far away from the first groove (431), and the grinding blocks (46) on the adjacent sliding plate (44) are arranged discontinuously.
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