CN112608560A

CN112608560A - Antistatic color master batch and preparation method thereof

Info

Publication number: CN112608560A
Application number: CN202011300050.3A
Authority: CN
Inventors: 罗华蓉
Original assignee: Nantong Pengyi Precision Machinery Co ltd
Current assignee: Nantong Pengyi Precision Machinery Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-04-06

Abstract

The invention discloses an antistatic color master batch and a preparation method thereof, belonging to the technical field of color master batch preparation, which can greatly improve the antistatic capability of the color master batch by setting the proportion of raw materials, further effectively prevent the surface of a product from generating static electricity, obviously improve the performance of the color master batch, and is provided with a specially-made raw material uniform mixing device, and is combined with the preparation method, in the raw material mixing process, a raw material uniform distribution component can ensure that the raw materials are uniformly and multipoint put into a uniform mixing box, so as to effectively avoid the raw material accumulation, thereby greatly increasing the contact area among various raw materials, further being beneficial to the uniform mixing of the raw materials, obviously improving the mixing effect of the raw materials, further improving the production quality of the color master batch, and through adding and removing an organic solvent, on the premise of ensuring the purity of the raw materials, the raw materials are easier to be mixed, and a blockage removing component is also arranged, can effectively prevent incomplete mixing of the raw materials and further improve the mixing effect of the raw materials.

Description

Antistatic color master batch and preparation method thereof

Technical Field

The invention relates to the technical field of color master batch preparation, in particular to an antistatic color master batch and a preparation method thereof.

Background

The color master batch is called color master batch and also called color seed, and is a special colorant for novel high polymer materials, also called pigment preparation. The color master is mainly used for plastics. Color concentrates are composed of three basic elements, a pigment or dye, a carrier and additives, and are aggregates prepared by uniformly supporting an excessive amount of pigment in a resin, and can be referred to as pigment concentrates, so that they have a higher tinctorial strength than the pigment itself. During processing, a small amount of color master batch is mixed with uncolored resin, and colored resin or products with designed pigment concentration can be obtained.

Polystyrene is a polymer synthesized by free radical addition polymerization of styrene monomer, is a colorless and transparent thermoplastic plastic, has a glass transition temperature higher than 100 ℃, and is frequently used for manufacturing various disposable containers which need to bear the temperature of boiled water, disposable foam lunch boxes and the like.

Polystyrene is usually colored by using color master batches, but the existing color master batches for polystyrene have poor antistatic performance, so that the surface of a product is easy to generate static electricity to stick dust, and the use of the product is influenced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an antistatic color master batch and a preparation method thereof, which can greatly improve the antistatic capability of the color master batch by setting the proportion of raw materials, further effectively prevent the surface of a product from generating static electricity, remarkably improve the performance of the color master batch, are provided with a specially-made raw material uniform mixing device, are combined with the preparation method, can ensure that the raw materials can be uniformly and multipoint put into a uniform mixing box by a raw material uniform distribution component in the raw material mixing process, effectively avoid the raw materials from being stacked, further greatly increase the contact area among various raw materials, further facilitate the uniform mixing of the raw materials, remarkably improve the mixing effect of the raw materials, further improve the production quality of the color master batch, ensure the raw materials are easier to mix under the premise of ensuring the purity of the raw materials by adding and removing an organic solvent, and are also provided with a through-blocking component facilitating mixing, can effectively prevent incomplete mixing of the raw materials and further improve the mixing effect of the raw materials.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An antistatic color master batch comprises the following components in parts by weight: 50-85 parts of carrier resin, 20-30 parts of pigment, 5-10 parts of dispersing agent, 10-15 parts of antistatic agent, 3-5 parts of heat stabilizer and 3-5 parts of plasticizer, wherein the carrier resin is polystyrene, the pigment is organic pigment, the dispersing agent is polyethylene wax, the heat stabilizer is zinc stearate, the antistatic agent is one selected from polyethylene oxide, polyether ester amide and polyether ester imide, the plasticizer is dioctyl phthalate, the antistatic capability of the color master batch can be greatly improved by adding the antistatic agent, further, the surface of a product can be effectively prevented from generating static electricity, the performance of the color master batch is remarkably improved, and compared with inorganic pigment, the organic pigment has the advantages of complete color spectrum, bright color, high tinting strength and strong chemical resistance stability, but the heat stability of the organic pigment is poor, and the heat stability of the organic pigment can be improved by adding the heat stabilizer, thereby improving the overall performance of the color master batch.

The preparation method of the antistatic color master batch comprises the following steps:

s1, starting a mixing motor in the raw material homogenizing and mixing device, and setting the rotating speed to be 5 r/min;

s2, taking 50 parts of carrier resin, 25 parts of pigment, 8 parts of dispersing agent, 10 parts of antistatic agent, 3 parts of heat stabilizer and 4 parts of plasticizer in parts by weight as raw materials, putting the raw materials into a uniform mixing box through a feeding pipe in sequence, and then putting a proper amount of organic solvent;

s3, setting the rotating speed of a mixing motor to be 200r/min, and mixing and stirring the raw materials for 20-30 min;

s4, turning an adjusting rod to adjust the conduction of the material guide pipe, so that the mixed raw materials in the S3 flow into a distiller through the material guide pipe, and then carrying out distillation treatment through the distiller to remove organic solvents in the raw materials;

and S5, putting the raw materials subjected to impurity removal in the step S4 into a double-screw extrusion granulator, and performing melt extrusion granulation to obtain the antistatic color master batch.

Further, the organic solvent in S2 is trichloroethylene, and the addition of the organic solvent can dissolve the raw materials, so as to improve the mixing effect of the raw materials, wherein the temperature of the distillation treatment in S4 is 90 to 95 ℃, and the boiling point of the trichloroethylene under normal pressure is 87.1 ℃, so that the organic solvent can be removed by distillation after the raw materials are mixed, and the purity of the raw materials can be ensured.

Further, the raw material uniform mixing device comprises a mixing component and a distiller, the mixing component comprises a uniform mixing box, the top outer wall of the uniform mixing box is communicated with a feeding pipe, the bottom inner wall of the uniform mixing box is fixedly connected with a motor box, a mixing motor is fixedly installed in the motor box, the output end of the mixing motor is fixedly connected with a driving shaft, the bottom outer wall of the feeding pipe is communicated with two symmetrically arranged guide pipes, a raw material uniform distribution component is arranged in the uniform mixing box and comprises a connecting bearing, the outer ring of the connecting bearing is fixedly connected with the inner wall of the uniform mixing box through a connecting rod, the inner ring of the connecting bearing is fixedly connected with a material distribution plate, a material rotating cylinder is arranged above the material distribution plate, and the top end of the material distribution plate is provided with a rotating connecting groove matched with the material distribution plate, the material distributing device is characterized in that a plurality of material distributing holes which are uniformly distributed in an annular shape are formed in the outer wall of the bottom of the material rotating cylinder, and discharging holes matched with the material distributing holes are formed in the bottom end of the material distributing plate.

Further, the drive shaft runs through the top outer wall of motor case and extends to and divides flitch fixed connection, and the junction of drive shaft and motor case top outer wall is provided with rotary seal, and rotary seal's setting can improve the leakproofness of drive shaft and motor case outer wall junction, prevents that the raw materials from getting into and causing the damage to the compounding motor in the motor case.

Furthermore, fixedly connected with connecting plate on the inner wall of commentaries on classics feed cylinder, the inlet pipe run through the connecting plate and with connecting plate fixed connection for the inlet pipe can play a fixed action to commentaries on classics feed cylinder, and then makes commentaries on classics feed cylinder can and divide and produce relative rotation between the flitch.

Furthermore, the blanking hole is communicated with the rotary connecting groove, the blanking hole is positioned under one of the material distributing holes, the bottom end of the material distributing plate is fixedly connected with two symmetrically arranged stirring shafts which are respectively positioned at two sides of the driving shaft, the outer walls at two sides of the stirring shafts are fixedly connected with a plurality of stirring blades, through the arrangement of the material equally distributing component, when raw materials are mixed, the material mixing motor is slowly started firstly to drive the material distributing plate to slowly rotate, then the raw materials are put into the material distributing cylinder through the feeding pipe, when each blanking hole is superposed with the material distributing hole, the raw materials can fall into the even material mixing box through the material distributing hole and the blanking hole, and the blanking hole continuously rotates at a constant speed along with the material distributing plate, so that the raw materials can be uniformly and multipoint put into the even material mixing box, the raw materials are effectively prevented from being stacked, and the contact area among a plurality of raw materials is greatly increased, and then be favorable to the homogeneous mixing of raw materials, show the mixed effect that improves the raw materials, and then can improve the production quality of masterbatch, the raw materials is put in and is accomplished, makes compounding motor rotate fast, can drive (mixing) shaft, stirring vane and stir the raw materials, and then makes the abundant even mixture of raw materials.

Furthermore, a favorable mixing and plugging assembly is arranged in the material guide pipe, the favorable mixing and plugging assembly comprises a hollow adjusting disc which is embedded and installed on the outer wall of the material guide pipe, the inner wall of the hollow adjusting disc is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a driving gear, one side of the driving gear is meshed with a matched driven rack, the driven rack slidably penetrates through the outer wall of the hollow adjusting disc and is fixedly connected with a sealing pipe plug matched with the material guide pipe, the top end of the sealing pipe plug is flush with the top end of the material guide pipe, the middle part of the rotating shaft is provided with a sliding connection groove, the sliding connection groove is internally and slidably connected with a matched adjusting rod, the outer wall of the adjusting rod is fixedly connected with a plurality of linkage blocks which are uniformly distributed in an annular shape, the outer side of the sliding connection groove is provided with a plurality of linkage grooves matched with the linkage blocks, and, the outer wall that the one end of adjusting the pole runs through hollow adjusting disk extends to the outside, and adjust the outer wall threaded connection of pole and hollow adjusting disk, through the setting of the stifled subassembly of the logical muddy expert of profit, when the raw materials mixes, the passage can be blockked up to the sealing plug, and then prevent to have partial raw materials to fall into in the passage, lead to the raw materials to mix incompletely, the mixed effect of raw materials has further been improved, and just, the reverse rotation adjusts the pole, the accessible driving gear drives driven rack and moves up and down, and then drive the sealing plug and reciprocate, the sealing plug removes the passage top, can make the passage switch on, and is easy to operate, and is convenient, and the practicability is improved.

Further, the sealed guide cover of fixedly connected with on the outer wall of driven rack, the outside of hollow adjustment disk is located to sealed guide cover, sealed guide cover pastes mutually and rather than sliding connection with the inner wall of passage, the top of sealed guide cover sets up to the inclined plane form, and the setting of sealed guide cover can prevent that the passage from switching on the back, has during the raw materials flows in hollow adjustment disk through being connected of driven rack and hollow adjustment disk, has improved the practicality.

Further, the one end that the even blending case was kept away from to the passage is linked together with the inside of distiller, the distiller passes through support column and even blending case fixed connection, and the organic solvent in the raw materials is got rid of in the setting of distiller, accessible distillation to guarantee the purity of raw materials, and then guarantee the quality of masterbatch.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can greatly improve the antistatic capability of the color master batch by setting the proportion of the raw materials, further effectively prevents the surface of the product from generating static electricity, obviously improves the performance of the color master batch, is provided with a special raw material uniform mixing device and combines with a preparation method, in the process of mixing the raw materials, the raw material evenly-distributing component can ensure that the raw materials are evenly and multipoint put into the even mixing box, effectively avoids the accumulation of the raw materials, greatly increases the contact area among various raw materials, further being beneficial to the uniform mixing of the raw materials, obviously improving the mixing effect of the raw materials, further improving the production quality of the color master batch, adding and removing the organic solvent, under the prerequisite of guaranteeing raw materials purity, make and mix more easily between the raw materials, still be equipped with and benefit to mix leads to stifled subassembly, can prevent effectively that the raw materials from mixing incompletely, further improved the mixed effect of raw materials.

(2) The setting of subassembly is equallyd divide to through the raw materials, during the raw materials mixes, the compounding motor is started at a slow speed earlier, can drive the branch flitch and slowly rotate, then drop into the raw materials through the inlet pipe, make the raw materials fall into the commentaries on classics feed cylinder, every time when unloading hole and branch material hole coincide, the raw materials can fall into in the even compounding case through this branch material hole and unloading hole, and the unloading hole is along with dividing the continuous uniform velocity rotation of flitch, can make the raw materials even, in the even compounding case of multiple input, effectively avoid the raw materials to pile up, thereby greatly increased the area of contact between multiple raw materials, and then be favorable to the homogeneous mixing of raw materials, show the mixed effect that improves the raw materials, and then can improve the production quality of masterbatch, the raw materials is put in, make the compounding motor rotate fast, can drive the (mixing) shaft.

(3) Through the setting of the stifled subassembly of the logical of profit, when the raw materials mixes, the passage can be blockked up to the sealing plug, and then prevent to have partial raw materials to fall into the passage, lead to the raw materials to mix incompletely, further improved the mixed effect of raw materials, and just, the regulation pole is adjusted in the reverse rotation, and the accessible driving gear drives driven rack and moves up and down, and then drives the sealing plug and reciprocates, and the sealing plug removes the passage top, can make the passage switch on, easy operation, convenience have improved the practicality.

(4) The setting of sealed guide cover can prevent that the passage from switching on the back, has during raw materials flows in hollow adjusting disk through being connected of driven rack and hollow adjusting disk, has improved the practicality.

(5) The raw materials can be dissolved by adding the organic solvent, so that the mixing effect of the raw materials is improved, and the organic solvent in the raw materials can be removed by distillation through the arrangement of the distiller, so that the purity of the raw materials is ensured, and the quality of the color master batch is ensured.

Drawings

FIG. 1 is a schematic sectional view of the raw material homogenizing device according to the present invention;

FIG. 2 is a cross-sectional view of the interior of the motor casing of the present invention;

FIG. 3 is a cross-sectional view of the invention at the barrel;

FIG. 4 is a top view of the barrel and the distributor plate of the present invention;

FIG. 5 is a sectional view of the inside of the material guide tube according to the present invention;

FIG. 6 is a cross-sectional view of the interior of the hollow conditioning disk of the present invention;

fig. 7 is an enlarged view of the invention at a in fig. 6.

The reference numbers in the figures illustrate:

101. a material mixing box is homogenized; 102. a feed pipe; 103. a motor case; 104. a mixing motor; 105. a drive shaft; 106. rotating the sealing ring; 107. a material guide pipe; 201. connecting a bearing; 202. a material distributing plate; 203. a material rotating barrel; 204. a connecting plate; 205. a transfer groove; 206. a material distributing hole; 207. a blanking hole; 208. a stirring shaft; 209. a stirring blade; 301. a hollow adjusting disk; 302. a rotating shaft; 303. sealing the material guide cover; 304. a driving gear; 305. a driven rack; 306. sealing the pipe plug; 307. a sliding connection groove; 308. adjusting a rod; 309. a linkage block; 310. a linkage groove; 004. a distiller; 401. and (4) a support column.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

an antistatic color master batch comprises the following components in parts by weight: 50-85 parts of carrier resin, 20-30 parts of pigment, 5-10 parts of dispersing agent, 10-15 parts of antistatic agent, 3-5 parts of heat stabilizer and 3-5 parts of plasticizer, wherein the carrier resin is polystyrene, the pigment is organic pigment, the dispersing agent is polyethylene wax, the heat stabilizer is zinc stearate, the antistatic agent is one selected from polyethylene oxide, polyether ester amide and polyether ester imide, the plasticizer is dioctyl phthalate, and the antistatic ability of the color master batch can be greatly improved by adding the antistatic agent, thereby effectively preventing the surface of the product from generating static electricity, obviously improving the performance of the color master batch, and compared with inorganic pigments, the organic pigments have the advantages of complete color spectrum, bright color, high tinting strength and strong chemical resistance and stability, but the heat stability of the organic pigment is poor, and the addition of the heat stabilizer can improve the heat stability of the organic pigment, so that the overall performance of the color master batch is improved.

Referring to fig. 1-7, a method for preparing an antistatic color masterbatch includes the following steps:

s1, starting a mixing motor 104 in the raw material homogenizing and mixing device, and setting the rotating speed to be 5 r/min;

s2, taking 50 parts of carrier resin, 25 parts of pigment, 8 parts of dispersing agent, 10 parts of antistatic agent, 3 parts of heat stabilizer and 4 parts of plasticizer as raw materials in parts by weight, sequentially putting the raw materials into a uniform mixing box 101 through a feeding pipe 102, and then putting a proper amount of organic solvent;

s3, setting the rotating speed of the mixing motor 104 to 200r/min, and mixing and stirring the raw materials, wherein the mixing time is usually 20-30 min;

s4, turning an adjusting rod 308 to adjust the conduction of the material guide pipe 107, so that the mixed raw materials in the S3 flow into a distiller 004 through the material guide pipe 107, and then the raw materials are distilled through the distiller 004 to remove the organic solvent in the raw materials;

The organic solvent in the S2 is trichloroethylene, the raw materials can be dissolved by adding the organic solvent, the mixing effect of the raw materials is further improved, the temperature of distillation treatment in the S4 is 90-95 ℃, the boiling point of the trichloroethylene under normal pressure is 87.1 ℃, so that the organic solvent can be removed by distillation after the raw materials are mixed, the purity of the raw materials is ensured, the specific gravity of the raw materials in the S2 is only one of the raw material proportion in the scheme, and in the actual production process, technicians in the field can carry out adaptive adjustment within the range of the raw material proportion.

Referring to fig. 1-2, the raw material homogenizing device includes a mixing assembly and a distiller 004, the mixing assembly includes a homogenizing mixing box 101, a feeding pipe 102 is connected to an outer wall of a top end of the homogenizing mixing box 101, a motor box 103 is fixedly connected to an inner wall of a bottom end of the homogenizing mixing box 101, a mixing motor 104 is fixedly installed in the motor box 103, an output end of the mixing motor 104 is fixedly connected to a driving shaft 105, the driving shaft 105 penetrates through an outer wall of a top portion of the motor box 103 and extends to be fixedly connected with a material distributing plate 202, a rotary seal ring 106 is arranged at a connection position of the driving shaft 105 and the outer wall of the top portion of the motor box 103, the sealing performance of the connection position of the driving shaft 105 and the outer wall of the motor box 103 can be improved by the arrangement of the rotary seal ring 106, the raw material is prevented from entering the motor box 103 to damage the mixing motor 104, two symmetrically arranged guide pipes 107 are connected to the outer wall of, distiller 004 passes through support column 401 and even mixing box 101 fixed connection, and organic solvent in the raw materials is got rid of in the setting of distiller 004, accessible distillation to guarantee the purity of raw materials, and then guarantee the quality of masterbatch.

Referring to fig. 1 and 3-4, a raw material equally dividing assembly is arranged in the uniform mixing box 101, the raw material equally dividing assembly includes a connecting bearing 201, an outer ring of the connecting bearing 201 is fixedly connected with an inner wall of the uniform mixing box 101 through a connecting rod, an inner ring of the connecting bearing 201 is fixedly connected with a material dividing plate 202, a material rotating cylinder 203 is arranged above the material dividing plate 202, a connecting plate 204 is fixedly connected to an inner wall of the material rotating cylinder 203, the material feeding pipe 102 penetrates through the connecting plate 204 and is fixedly connected with the connecting plate 204, so that the material feeding pipe 102 can play a role in fixing the material rotating cylinder 203, the material rotating cylinder 203 and the material dividing plate 202 can rotate relatively, a rotating connecting groove 205 matched with the material dividing plate 202 is arranged at the top end of the material dividing plate 202, a plurality of material dividing holes 206 uniformly distributed in a ring shape are arranged on an outer wall of the bottom of the material rotating cylinder 203, the blanking hole 207 is communicated with the rotary connecting groove 205, the blanking hole 207 is positioned under one of the material distributing holes 206, the bottom end of the material distributing plate 202 is fixedly connected with two stirring shafts 208 which are symmetrically arranged, the two stirring shafts 208 are respectively positioned at two sides of the driving shaft 105, the outer walls at two sides of the stirring shafts 208 are fixedly connected with a plurality of stirring blades 209, through the arrangement of the material equally distributing component, when the raw materials are mixed, the material mixing motor 104 is slowly started firstly to drive the material distributing plate 202 to slowly rotate, then the raw materials are put into the material distributing cylinder 203 through the feeding pipe 102, when the blanking hole 207 is superposed with the material distributing hole 206, the raw materials can fall into the uniform mixing box 101 through the material distributing hole 206 and the blanking hole 207, and the blanking hole 207 rotates at constant speed along with the material distributing plate 202 continuously, so that the raw materials can be put into the uniform mixing box 101 at multiple points, the raw materials are effectively prevented from being stacked, and the contact area among multiple raw, and then be favorable to the homogeneous mixing of raw materials, show the mixed effect that improves the raw materials, and then can improve the production quality of masterbatch, the raw materials is put in and is accomplished, makes compounding motor 104 rotate fast, can drive (mixing) shaft 208, stirring vane 209 and stir the raw materials, and then makes the abundant even mixture of raw materials.

Referring to fig. 1 and 5-7, a material guiding pipe 107 is internally provided with a material guiding block facilitating assembly, the material guiding pipe comprises a hollow adjusting disc 301 mounted on the outer wall of the material guiding pipe 107 in an embedded manner, the inner wall of the hollow adjusting disc 301 is rotatably connected with a rotating shaft 302, the outer wall of the rotating shaft 302 is fixedly connected with a driving gear 304, one side of the driving gear 304 is engaged with a matched driven rack 305, the driven rack 305 slidably penetrates through the outer wall of the hollow adjusting disc 301 and is fixedly connected with a sealing pipe plug 306 matched with the material guiding pipe 107, the top end of the sealing pipe plug 306 is flush with the top end of the material guiding pipe 107, the middle part of the rotating shaft 302 is provided with a sliding connecting groove 307, the sliding connecting groove 307 is slidably connected with a matched adjusting rod 308, the outer wall of the adjusting rod 308 is fixedly connected with a plurality of linkage blocks 309 uniformly distributed in an annular manner, the outer side of the, the linkage block 309 is connected with the corresponding linkage groove 310 in a sliding manner, one end of the adjusting rod 308 penetrates through the outer wall of the hollow adjusting disc 301 and extends to the outside, the adjusting rod 308 is in threaded connection with the outer wall of the hollow adjusting disc 301, through the arrangement of the through-blocking component, when raw materials are mixed, the guide pipe 107 can be blocked by the sealing pipe plug 306, further partial raw materials are prevented from falling into the guide pipe 107, incomplete mixing of the raw materials is further improved, the adjusting rod 308 is moved forwards and backwards, the driving gear 304 can drive the driven rack 305 to move upwards and downwards to further drive the sealing pipe plug 306 to move upwards and downwards, the sealing pipe plug 306 moves above the guide pipe 107, the guide pipe 107 can be conducted, the operation is simple and convenient, the practicability is improved, the sealing guide cover 303 is fixedly connected to the outer wall of the driven rack 305, and the sealing guide cover 303 is sleeved outside the hollow adjusting disc 301, the sealed material guide cover 303 is attached to the inner wall of the material guide pipe 107 and is in sliding connection with the material guide pipe, the top end of the sealed material guide cover 303 is arranged to be inclined, and the sealed material guide cover 303 is arranged to prevent raw materials from flowing into the hollow adjusting disc 301 through the connection of the driven rack 305 and the hollow adjusting disc 301 after the material guide pipe 107 is switched on, so that the practicability is improved.

According to the invention, through the arrangement of the raw material proportion, the antistatic capacity of the color master batch can be greatly improved, the surface of a product is effectively prevented from generating static electricity, the performance of the color master batch is obviously improved, a specially-made raw material uniform mixing device is arranged, and the preparation method is combined.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. An antistatic color master batch is characterized in that: the composition comprises the following components in parts by weight: 50-85 parts of carrier resin, 20-30 parts of pigment, 5-10 parts of dispersing agent, 10-15 parts of antistatic agent, 3-5 parts of heat stabilizer and 3-5 parts of plasticizer, wherein the carrier resin is polystyrene, the pigment is organic pigment, the dispersing agent is polyethylene wax, the heat stabilizer is zinc stearate, the antistatic agent is one selected from polyethylene oxide, polyether ester amide and polyether ester imide, and the plasticizer is dioctyl phthalate.

2. The preparation method of the antistatic color master batch according to claim 1, characterized in that: the method comprises the following steps:

s1, starting a mixing motor (104) in the raw material homogenizing and mixing device, and setting the rotating speed to be 5 r/min;

s2, taking 50 parts of carrier resin, 25 parts of pigment, 8 parts of dispersing agent, 10 parts of antistatic agent, 3 parts of heat stabilizer and 4 parts of plasticizer in parts by weight as raw materials, sequentially putting the raw materials into a uniform mixing box (101) through a feeding pipe (102), and then putting a proper amount of organic solvent;

s3, setting the rotating speed of the mixing motor (104) to 200r/min, and mixing and stirring the raw materials, wherein the mixing time is usually 20-30 min;

s4, turning an adjusting rod (308) to adjust the conduction of a material guide pipe (107), so that the raw material mixed in the S3 flows into a distiller (004) through the material guide pipe (107), and then the raw material is distilled by the distiller (004) to remove the organic solvent in the raw material;

3. The preparation method of the antistatic color master batch according to claim 2, characterized in that: the organic solvent in the S2 is trichloroethylene, and the temperature of the distillation treatment in the S4 is 90-95 ℃.

4. The preparation method of the antistatic color master batch according to claim 2, characterized in that: the raw material uniform mixing device comprises a mixing component and a distiller (004), the mixing component comprises a uniform mixing box (101), an inlet pipe (102) is communicated with the outer wall of the top end of the uniform mixing box (101), a motor box (103) is fixedly connected with the inner wall of the bottom end of the uniform mixing box (101), a mixing motor (104) is fixedly installed in the motor box (103), an output end of the mixing motor (104) is fixedly connected with a driving shaft (105), the outer wall of the bottom of the inlet pipe (102) is communicated with two symmetrically arranged guide pipes (107), a raw material uniform distribution component is arranged in the uniform mixing box (101), the raw material uniform distribution component comprises a connecting bearing (201), the outer ring of the connecting bearing (201) is fixedly connected with the inner wall of the uniform mixing box (101) through a connecting rod, and the inner ring of the connecting bearing (201) is fixedly connected with a material distribution plate (202), the material distributing device is characterized in that a material rotating cylinder (203) is arranged above the material distributing plate (202), a rotating connecting groove (205) matched with the material distributing plate (202) is formed in the top end of the material distributing plate (202), a plurality of material distributing holes (206) which are uniformly distributed in an annular shape are formed in the outer wall of the bottom of the material rotating cylinder (203), and discharging holes (207) matched with the material distributing holes (206) are formed in the bottom end of the material distributing plate (202).

5. The preparation method of the antistatic color master batch according to claim 4, characterized in that: the driving shaft (105) penetrates through the outer wall of the top of the motor box (103) and extends to be fixedly connected with the distributing plate (202), and a rotary sealing ring (106) is arranged at the connecting position of the driving shaft (105) and the outer wall of the top of the motor box (103).

6. The preparation method of the antistatic color master batch according to claim 4, characterized in that: the inner wall of the rotary barrel (203) is fixedly connected with a connecting plate (204), and the feeding pipe (102) penetrates through the connecting plate (204) and is fixedly connected with the connecting plate (204).

7. The preparation method of the antistatic color master batch according to claim 4, characterized in that: the blanking hole (207) is communicated with the rotary connecting groove (205), the blanking hole (207) is positioned under one of the distributing holes (206), the bottom end of the distributing plate (202) is fixedly connected with two symmetrically arranged stirring shafts (208), the two stirring shafts (208) are respectively positioned at two sides of the driving shaft (105), and the outer walls of two sides of the stirring shafts (208) are fixedly connected with a plurality of stirring blades (209).

8. The preparation method of the antistatic color master batch according to claim 4, characterized in that: the material guide pipe is characterized in that a material mixing and blocking assembly is arranged in the material guide pipe (107), the material mixing and blocking assembly comprises a hollow adjusting disc (301) which is embedded and installed on the outer wall of the material guide pipe (107), a rotating shaft (302) is rotatably connected to the inner wall of the hollow adjusting disc (301), a driving gear (304) is fixedly connected to the outer wall of the rotating shaft (302), a matched driven rack (305) is meshed to one side of the driving gear (304), the driven rack (305) penetrates through the outer wall of the hollow adjusting disc (301) in a sliding mode and is fixedly connected with a sealing pipe plug (306) matched with the material guide pipe (107), the top end of the sealing pipe plug (306) is flush with the top end of the material guide pipe (107), a sliding connection groove (307) is formed in the middle of the rotating shaft (302), a matched adjusting rod (308) is slidably connected in the sliding connection groove (307), and a plurality of linkage blocks (309) which are uniformly distributed in an, the outer side of the sliding connection groove (307) is provided with a plurality of linkage grooves (310) matched with the linkage blocks (309), the linkage blocks (309) are in sliding connection with the corresponding linkage grooves (310), one end of the adjusting rod (308) penetrates through the outer wall of the hollow adjusting disc (301) and extends to the outside, and the adjusting rod (308) is in threaded connection with the outer wall of the hollow adjusting disc (301).

9. The method for preparing the antistatic color master batch according to claim 8, wherein the method comprises the following steps: the outer wall of the driven rack (305) is fixedly connected with a sealing material guide cover (303), the sealing material guide cover (303) is sleeved outside the hollow adjusting disc (301), the sealing material guide cover (303) is attached to the inner wall of the material guide pipe (107) and is in sliding connection with the inner wall, and the top end of the sealing material guide cover (303) is inclined.

10. The preparation method of the antistatic color master batch according to claim 4, characterized in that: one end, far away from the uniform mixing box (101), of the material guide pipe (107) is communicated with the interior of the distiller (004), and the distiller (004) is fixedly connected with the uniform mixing box (101) through a support column (401).