CN115044163A

CN115044163A - Antibacterial antistatic ABS flame-retardant color master batch and preparation system thereof

Info

Publication number: CN115044163A
Application number: CN202210804425.2A
Authority: CN
Inventors: 储少林
Original assignee: Anhui Hesheng New Material Technology Co ltd
Current assignee: Anhui Hesheng New Material Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-09-13

Abstract

The invention discloses an antibacterial antistatic ABS flame-retardant color master batch, which is prepared from the following raw materials in parts by weight: 45-55 parts of ABS resin, 15-25 parts of colorant, 8-10 parts of compatilizer, 5-7 parts of composite antibacterial agent, 6-8 parts of antistatic agent, 3-5 parts of composite flame retardant, 3-5 parts of anti-aging agent, 4-6 parts of dispersing lubricant and 1-3 parts of processing aid; the compatilizer is one or a mixture of more of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polypropylene grafted maleic anhydride and polyethylene grafted maleic anhydride. The invention overcomes the defects of the prior art, has reasonable design, produces ABS color master batch with good antibacterial and antistatic effects, has flame retardance, widens the application of ABS materials in the fields of automobiles, household appliances and the like, and has higher social use value and application prospect.

Description

Antibacterial antistatic ABS flame-retardant color master batch and preparation system thereof

Technical Field

The invention relates to the technical field of color master batches, in particular to an antibacterial antistatic ABS flame-retardant color master batch and a preparation system thereof.

Background

The ABS resin is a thermoplastic high polymer material with excellent performance, and has excellent performances such as high impact resistance, high rigidity, chemical resistance, low temperature resistance and the like. The ABS has stable processing dimension and good surface gloss, is easy to coat, color, spray metal, electroplate and other secondary processing, and can be widely applied to various fields of mechanical industry, automobile industry, electronic and electrical industry, instrument industry and the like. The development trend of ABS is toward high-performance and multifunctional special resin, so as to improve the added value and market competitiveness of the product.

The volume resistivity of general-purpose ABS resins is generally 5X 10 ¹⁶ Omega, the static charges in the ABS are easy to accumulate to generate micro current, thereby influencing the normal use of products and limiting the application of ABS. In the prior art, antistatic ABS is prepared by introducing some antistatic agents or spraying metal materials on the surface of ABS resin to achieve the antistatic effect.

Chinese patent CN107955567A discloses an antistatic ABS compound and a preparation method and application thereof. The ABS is added with antistatic agent metal salt and polyoxyethylene, and simultaneously, the bonding modifier ethylene-methyl acrylate-glycidyl methacrylate and the bonding synergist turpentine are introduced to ensure that the composite material has high bonding degree. But the comprehensive performance is not good, and further optimization is still needed. When ABS masterbatch is produced, masterbatch after cutting into granules needs to be screened and dried, and the screening efficiency of the existing screening equipment is low, which affects the production efficiency of ABS masterbatch.

Therefore, the inventor takes the experience of abundant design development and actual manufacturing of the related industry for years, researches and improves the existing structure and deficiency, and provides an antibacterial antistatic ABS flame-retardant color master batch and a preparation system thereof so as to achieve the aim of higher practical value.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the invention provides an antibacterial antistatic ABS flame-retardant color master batch and a preparation system thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the antibacterial antistatic ABS flame-retardant color master batch is prepared from the following raw materials in parts by weight:

45-55 parts of ABS resin, 15-25 parts of colorant, 8-10 parts of compatilizer, 5-7 parts of composite antibacterial agent, 6-8 parts of antistatic agent, 3-5 parts of composite flame retardant, 3-5 parts of anti-aging agent, 4-6 parts of dispersing lubricant and 1-3 parts of processing aid.

Preferably, the compatilizer is one or a mixture of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polypropylene grafted maleic anhydride and polyethylene grafted maleic anhydride.

Preferably, the composite antibacterial agent is prepared from the following raw materials in parts by weight:

30-35 parts of polyurethane fiber, 20-25 parts of graphene, 8-10 parts of nano activated carbon powder, 5-10 parts of nano silver ion antibacterial powder, 12-15 parts of gamma-polyglutamic acid, 5-8 parts of porous nano silica micropowder, 10-15 parts of polyvinylpyrrolidone and 1-3 parts of bactericide.

Preferably, the antistatic agent is one or a mixture of more of octadecylamine polyoxyethylene (2) ether, dodecylamine polyoxyethylene (2) ether, octadecylamine polyoxyethylene (2) ether and dodecylamine polyoxyethylene (2) ether.

Preferably, the composite flame retardant is prepared from the following raw materials in parts by weight:

25-35 parts of polytetrafluoroethylene fiber, 15-20 parts of nano montmorillonite, 5-7 parts of inorganic filler, 12-15 parts of polysulfonamide fiber, 13-15 parts of glass fiber, 3-5 parts of sepiolite powder, 3-5 parts of pentaerythritol, 7-11 parts of styrene-acrylic emulsion, 6-8 parts of ethoxylated dodecylamine and 4-6 parts of dimethyl tin isooctyl dimercaptoacetate.

Preferably, the dispersing lubricant is one or a mixture of more than two of polyethylene wax, ethylene bis stearamide, polyethylene wax and ethylene bis stearamide.

Preferably, the processing aid is a mixture of N, N '-ethylene bis stearamide, polyethylene wax and a coupling agent, wherein the mass ratio of the N, N' -ethylene bis stearamide to the polyethylene wax to the coupling agent is 1:1.3: 2.3.

A preparation system of antibacterial antistatic ABS flame-retardant color master batches comprises a feeding bin, a screw extruder, a cooling device, a granulator and a homogenizing bin, wherein the feeding bin, the screw extruder, the cooling device, the granulator and the homogenizing bin are sequentially connected through pipelines;

the cooling device comprises a water cooling chamber and an air cooling chamber, a water cooling cavity is arranged in the water cooling chamber, a plurality of groups of limiting pressing blocks are arranged between the inner walls of the two sides of the water cooling cavity, balls are arranged at the bottoms of the limiting pressing blocks, and a spraying pipeline is arranged at the top of the water cooling chamber;

the air cooling chamber is internally provided with a plurality of groups of limiting idler wheels, each group of limiting idler wheels consists of an upper idler wheel and a lower idler wheel, and the upper end of the air cooling chamber is communicated with an air cooler.

Preferably, the granulator comprises a granulating chamber and a screening frame, the granulating chamber is arranged at the upper end of the granulator, and a first filter screen is arranged in a channel between the granulating chamber and the granulator; the screening frame is positioned in the granulator and is positioned right below the first filter screen;

cut the direction import that polymer material strip was seted up to the lateral wall of grain room, the side of direction import is equipped with two sets of deflectors, and the deflector sets up from top to bottom, one side of deflector is provided with cuts a grain hobbing cutter, cuts a grain hobbing cutter and is connected with driving motor through the pivot, and driving motor is located the outer wall of cutting the grain room.

Preferably, the bottom wall of the screening frame is arranged in a downward inclined mode, the lower end of the screening frame is obliquely provided with a second filter screen, a fine particle collecting cavity is formed between the second filter screen and the bottom wall of the screening frame, and the bottom of the fine particle collecting cavity is communicated with a waste discharge port;

the upper end surface of the second filter screen is uniformly distributed with a plurality of groups of partition plates, the partition plates uniformly divide the upper end surface of the second filter screen into a plurality of dispersion grooves, two side walls of each dispersion groove are distributed with guide plates in a staggered manner, the guide plates are arranged obliquely downwards, the lower ends of the dispersion grooves are communicated with a collection opening, and the collection openings are communicated with a discharge opening; the filtration pore aperture of second filter screen is less than the filtration pore aperture of first filter screen to make the qualified masterbatch of particle diameter stop in the dispersion tank, and get into the homogenization storehouse through the bin outlet, guarantee the material homogeneity.

Preferably, a damping spring is connected between the bottom of the screening frame and the inner bottom wall of the granulator, a top rod is vertically connected to the center of the bottom of the screening frame, an inner loop bar is sleeved outside the top rod, a stop block is arranged at one end of the top rod, which is located in the inner loop bar, and a spring is sleeved on the outer wall of the top rod, which is located in the inner loop bar; the bottom of the inner loop bar is provided with a bottom bar; the up end of interior loop bar is equipped with the fluting that is used for the ejector pin activity, and grooved open area is less than the cross sectional area of dog to help spring compression to take place deformation, thereby play shock attenuation cushioning effect, simultaneously because there is certain activity space in the loop bar including the ejector pin, consequently can take place the vibration of different frequencies when the activity from top to bottom, thereby further carry out vibration screening to the masterbatch of dispersion inslot, and can reach vibration radiating effect, kill two birds with one stone.

Preferably, the bottom swing joint of sill bar has the movable rod, and the one end that the sill bar was kept away from to the movable rod rotates and is connected with U type axle, and the one end horizontally connected of U type axle has first pivot, and other end horizontally connected has the second pivot, and the outside extension end of lateral wall that first pivot runs through the pelleter is equipped with the motor.

The lower extreme outer wall one side intercommunication of pelleter has the air intake, and upper end one side intercommunication of pelleter has the dust catcher, and the external air-blower of air intake is bloied in to the pelleter through the air-blower for the dust that adheres to on masterbatch surface blows off, and removes dust under the adsorption of dust catcher.

Compared with the prior art, the invention has the beneficial effects that:

1. the antistatic agent used in the invention has good antistatic effect, reduces the probability of dust adsorption, ensures the performance of the plastic master batch, improves the flame retardant property of the surface of the plastic master batch, and widens the application of ABS materials in the fields of automobiles, household appliances and the like;

2. according to the invention, by adding the composite antibacterial agent, the antibacterial rate of the composite ABS color master batch can be greatly improved, a strong antibacterial effect is achieved, the risk of bacterial breeding of the ABS material in a high-humidity environment can be reduced, and the service life of the ABS material is prolonged;

3. according to the invention, the screening frame is arranged to carry out vibration screening on the ABS color master batch, so that the product with qualified particle size is effectively screened, and meanwhile, the rapid heat dissipation effect is achieved, and the multifunctional production and processing requirements are met.

In conclusion, the invention overcomes the defects of the prior art, has reasonable design, produces the ABS color master batch with good antibacterial and antistatic effects and flame retardance, widens the application of ABS materials in the fields of automobiles, household appliances and the like, and has higher social use value and application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic view of the structure of the cooling apparatus of the present invention;

FIG. 3 is a schematic view of the structure of the pelletizer of the present invention;

FIG. 4 is an enlarged view of the structure A of the present invention;

fig. 5 is a top view of a second screen according to the present invention.

In the figure: the device comprises a feeding bin 1, a screw extruder 2, a cooling device 3, a water cooling chamber 31, a water cooling cavity 32, a limiting pressing block 33, a ball 34, a spraying pipeline 35, an air cooling chamber 36, an air cooler 37, a limiting roller 38 and a granulator 4; the device comprises a granulating chamber 41, a granulating hob 42, a first filter screen 43, a guide plate 44, a screening frame 45, a second filter screen 46, a fine particle collecting cavity 47, a waste discharge opening 48, a partition plate 49, a discharge opening 410, an air inlet 411, a dust collector 412, a guide inlet 413, a damping spring 414, a bottom rod 415, an inner sleeve rod 416, a top rod 417, a stop 418, a spring 419, a movable rod 420, a U-shaped shaft 421, a first rotating shaft 422, a second rotating shaft 423, a motor 424, a guide plate 425 and a homogenizing bin 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 1

45 parts of ABS resin, 15 parts of colorant, 8 parts of compatilizer, 5 parts of composite antibacterial agent, 6 parts of antistatic agent, 3 parts of composite flame retardant, 3 parts of anti-aging agent, 4 parts of dispersing lubricant and 1 part of processing aid.

The compatilizer is one or a mixture of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polypropylene grafted maleic anhydride and polyethylene grafted maleic anhydride.

The composite antibacterial agent is prepared from the following raw materials in parts by weight:

30 parts of polyurethane fiber, 20 parts of graphene, 8 parts of nano activated carbon powder, 5 parts of nano silver ion antibacterial powder, 12 parts of gamma-polyglutamic acid, 5 parts of porous nano silicon dioxide micropowder, 10 parts of polyvinylpyrrolidone and 1 part of bactericide.

The antistatic agent is one or a mixture of more of octadecylamine polyoxyethylene (2) ether, dodecylamine polyoxyethylene (2) ether, octadecylamine polyoxyethylene (2) ether and dodecylamine polyoxyethylene (2) ether.

The composite flame retardant is prepared from the following raw materials in parts by weight:

25 parts of polytetrafluoroethylene fibers, 15 parts of nano montmorillonite, 5 parts of inorganic filler, 12 parts of polysulfonamide fibers, 13 parts of glass fibers, 3 parts of sepiolite powder, 3 parts of pentaerythritol, 7 parts of styrene-acrylic emulsion, 6 parts of ethoxylated dodecylamine and 4 parts of isooctyl dimethyldimercaptoacetate tin.

The dispersing lubricant is one or a mixture of more than two of polyethylene wax, diethy ethylene stearic acid amide, polyethylene wax and diethy ethylene stearic acid amide.

The processing aid is a mixture of N, N '-ethylene bis stearamide, polyethylene wax and a coupling agent, wherein the mass ratio of the N, N' -ethylene bis stearamide to the polyethylene wax to the coupling agent is 1:1.3: 2.3.

Example 2

50 parts of ABS resin, 20 parts of colorant, 9 parts of compatilizer, 6 parts of composite antibacterial agent, 7 parts of antistatic agent, 4 parts of composite flame retardant, 4 parts of anti-aging agent, 5 parts of dispersing lubricant and 2 parts of processing aid.

32 parts of polyurethane fiber, 22 parts of graphene, 9 parts of nano activated carbon powder, 7 parts of nano silver ion antibacterial powder, 13 parts of gamma-polyglutamic acid, 6 parts of porous nano silicon dioxide micropowder, 12 parts of polyvinylpyrrolidone and 2 parts of bactericide.

30 parts of polytetrafluoroethylene fibers, 17 parts of nano montmorillonite, 6 parts of inorganic filler, 13 parts of polysulfonamide fibers, 14 parts of glass fibers, 4 parts of sepiolite powder, 4 parts of pentaerythritol, 9 parts of styrene-acrylic emulsion, 7 parts of ethoxylated dodecylamine and 5 parts of dimethyl tin dimercaptoacetate isooctyl ester.

Example 3

55 parts of ABS resin, 25 parts of colorant, 10 parts of compatilizer, 7 parts of composite antibacterial agent, 8 parts of antistatic agent, 5 parts of composite flame retardant, 5 parts of anti-aging agent, 6 parts of dispersing lubricant and 3 parts of processing aid.

35 parts of polyurethane fiber, 25 parts of graphene, 10 parts of nano activated carbon powder, 10 parts of nano silver ion antibacterial powder, 15 parts of gamma-polyglutamic acid, 8 parts of porous nano silicon dioxide micropowder, 15 parts of polyvinylpyrrolidone and 3 parts of bactericide.

35 parts of polytetrafluoroethylene fibers, 20 parts of nano montmorillonite, 7 parts of inorganic filler, 15 parts of polysulfonamide fibers, 15 parts of glass fibers, 5 parts of sepiolite powder, 5 parts of pentaerythritol, 11 parts of styrene-acrylic emulsion, 8 parts of ethoxylated dodecylamine and 6 parts of dimethyl tin dimercaptoacetate isooctyl ester.

Comparative example 1

45 parts of ABS resin, 15 parts of colorant, 8 parts of compatilizer, 6 parts of antistatic agent, 3 parts of composite flame retardant, 3 parts of anti-aging agent, 4 parts of dispersing lubricant and 1 part of processing aid.

Comparative example 2

45 parts of ABS resin, 15 parts of colorant, 8 parts of compatilizer, 5 parts of composite antibacterial agent, 3 parts of composite flame retardant, 3 parts of anti-aging agent, 4 parts of dispersing lubricant and 1 part of processing aid.

30 parts of polyurethane fiber, 20 parts of graphene, 8 parts of nano activated carbon powder, 5 parts of nano silver ion antibacterial powder, 12 parts of gamma-polyglutamic acid, 5 parts of porous nano silica micro powder, 10 parts of polyvinylpyrrolidone and 1 part of bactericide.

Comparative example 3

45 parts of ABS resin, 15 parts of colorant, 8 parts of compatilizer, 5 parts of composite antibacterial agent, 6 parts of antistatic agent, 3 parts of anti-aging agent, 4 parts of dispersing lubricant and 1 part of processing aid.

The antibacterial antistatic ABS flame-retardant color master batches prepared in examples 1-3 and comparative examples 1-3 were subjected to performance tests, which included: the method comprises six aspects of thermal deformation temperature, flame retardant grade, surface resistivity, staphylococcus aureus-antibacterial rate, escherichia coli-antibacterial rate and surface dust adsorption rate, wherein common color master batches on the market are selected as a control group, and the test results are shown in table 1:

as can be seen from Table 1, compared with comparative examples 1-3 and a control group, the antibacterial antistatic ABS flame-retardant color masterbatch prepared in examples 1-3 of the invention has significant performance, wherein the antibacterial antistatic ABS flame-retardant color masterbatch prepared in example 2 has the best performance.

The color master batch of the comparative example 1 is compared with the antibacterial antistatic ABS flame-retardant color master batch of the embodiment 1 in performance, so that the antibacterial rate of the antibacterial antistatic ABS flame-retardant color master batch can be greatly improved by adding the composite antibacterial agent, and a stronger antibacterial effect is achieved;

the color master batch of the comparative example 2 is compared with the antibacterial antistatic ABS flame-retardant color master batch of the embodiment 1 in performance, so that the antistatic property of the antibacterial antistatic ABS flame-retardant color master batch is improved and the dust adsorption probability is reduced by adding the antistatic agent;

the color master batch of the comparative example 3 is compared with the antibacterial antistatic ABS flame-retardant color master batch of the example 1 in performance, and the flame retardant property of the color master batch is obviously improved by adding the composite flame retardant.

Example 4

Referring to fig. 1-5, the system for preparing the antibacterial antistatic ABS flame-retardant color master batch comprises a feeding bin 1, a screw extruder 2, a cooling device 3, a granulator 4 and a homogenizing bin 5, wherein the feeding bin 1, the screw extruder 2, the cooling device 3, the granulator 4 and the homogenizing bin 5 are sequentially connected through a pipeline; the cooling device 3 comprises a water cooling chamber 31 and an air cooling chamber 36, wherein a water cooling cavity 32 is arranged in the water cooling chamber 31, a plurality of groups of limiting pressing blocks 33 are arranged between the inner walls of the two sides of the water cooling cavity 32, the bottom of each limiting pressing block 33 is provided with a ball 34, and the top of the water cooling chamber 31 is provided with a spraying pipeline 35; be provided with the spacing gyro wheel 38 of multiunit in the air-cooled room 36, every spacing gyro wheel 38 of group comprises upper and lower gyro wheel, the upper end intercommunication of air-cooled room 36 has air-cooler 37, the raw materials gets into screw extruder 2 after feeding storehouse 1 mixes, the polymer material strip gets into cooling device 3 and carries out water-cooling and air-cooling after extruding through screw extruder 2, when the polymer material strip gets into water-cooling chamber 32, spacing briquetting 33 carries out spacing and makes it dip in the cooling water in water-cooling chamber 32, can rapid cooling, later get into pelleter 4 under spacing gyro wheel 38's rolling drive and cut grain, and obtain the masterbatch.

The granulator 4 comprises a granulating chamber 41 and a screening frame 45, the granulating chamber 41 is arranged at the upper end of the granulator 4, and a first filter screen 43 is arranged in a channel between the granulating chamber 41 and the granulator 4; the screening frame 45 is positioned in the granulator 4 and is positioned right below the first filter screen 43;

cut the import 413 of leading of cutting grain room 41's lateral wall and offering the polymer material strip, the side of leading import 413 is equipped with two sets of deflectors 44, and deflector 44 sets up from top to bottom, and one side of deflector 44 is provided with cuts grain hobbing cutter 42, cuts grain hobbing cutter 42 and is connected with driving motor through the pivot, and driving motor is located the outer wall of cutting grain room 41.

The bottom wall of the screening frame 45 is arranged in a downward inclined mode, a second filter screen 46 is arranged at the lower end of the screening frame 45 in an inclined mode, a fine particle collecting cavity 47 is formed between the second filter screen 46 and the bottom wall of the screening frame 45, and the bottom of the fine particle collecting cavity 47 is communicated with a waste discharge port 48;

a plurality of groups of partition plates 49 are uniformly distributed on the upper end surface of the second filter screen 46, the partition plates 49 uniformly divide the upper end surface of the second filter screen 46 into a plurality of dispersion grooves, the plurality of dispersion grooves can improve the efficiency of vibration screening, materials are separated, the accumulation phenomenon is avoided, the screening is facilitated, and meanwhile, a good heat dissipation effect is achieved; guide plates 425 are distributed on two side walls of the dispersing groove in a staggered mode, the guide plates 425 are arranged in a downward inclined mode, the lower end of the dispersing groove is communicated with a collecting opening, and the collecting opening is communicated with a material discharging opening 410; the side wall of the granulator 4 is provided with a side groove for moving the discharge port 410 and the waste discharge port 48, so that the vertical movement of the screening frame 45 is not influenced; the discharge opening 410 is communicated with a conveying hose which is communicated with the upper port of the homogenizing silo 5.

The aperture of the filter hole of the second filter screen 46 is smaller than that of the first filter screen 43, so that the color master batches with qualified particle sizes stay in the dispersion tank and enter the homogenization bin 5 through the discharge hole 410, and the uniformity of the materials is ensured.

A damping spring 414 is connected between the bottom of the screening frame 45 and the inner bottom wall of the granulator 4, a top rod 417 is vertically connected at the center of the bottom of the screening frame 45, an inner loop bar 416 is sleeved outside the top rod 417, a stopper 418 is arranged at one end of the top rod 417 positioned in the inner loop bar 416, and a spring 419 is sleeved on the outer wall of the top rod 417 positioned in the inner loop bar 416; the bottom of the inner loop bar 416 is provided with a bottom bar 415; the up end of interior loop bar 416 is equipped with the fluting that is used for ejector pin 417 to move about, grooved open area is less than the cross sectional area of dog 418, thereby help spring 419 compression to take place deformation, thereby play the shock attenuation cushioning effect, simultaneously because ejector pin 417 has certain activity space in interior loop bar 416, consequently the vibration of different frequencies can take place when the activity from top to bottom, can produce upwards vibration when upwards jacking, and when falling back downwards, because spring 419 self elastic force acts on, can produce the vibration of different frequencies, thereby further carry out vibratory screening to the masterbatch in the dispersion tank, and can reach the radiating effect of vibration, kill two birds with one stone.

The bottom of the bottom rod 415 is movably connected with a movable rod 420, one end of the movable rod 420, which is far away from the bottom rod 415, is rotatably connected with a U-shaped shaft 421, one end of the U-shaped shaft 421 is horizontally connected with a first rotating shaft 422, the other end of the U-shaped shaft is horizontally connected with a second rotating shaft 423, and the end, which extends outwards, of the first rotating shaft 422, penetrates through the side wall of the granulator 4, is provided with a motor 424; motor 424 drives U type axle 421 through first pivot 422 and rotates, and U type axle 421 drives sill bar 415 through movable rod 420 and moves about, and sill bar 415 drives interior loop bar 416 and is reciprocating motion to drive ejector pin 417 to carry out the vibration screening to screening frame 45 under the elastic force effect of spring 419, thereby clear away the masterbatch that the particle diameter is unsatisfactory, and the granule of particle diameter undersize is then through fine particle collection chamber 47, waste discharge port 48 recycle.

One side of the outer wall of the lower end of the granulator 4 is communicated with an air inlet 411, one side of the upper end of the granulator 4 is communicated with a dust collector 412, the air inlet 411 is externally connected with an air blower, the air blower is used for blowing air into the granulator 4, dust attached to the surface of the masterbatch is blown off, and dust is removed under the adsorption effect of the dust collector 412.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

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

1. The antibacterial antistatic ABS flame-retardant color master batch is characterized by being prepared from the following raw materials in parts by weight:

2. The antibacterial antistatic ABS flame retardant color masterbatch according to claim 1, wherein the compatibilizer is one or a mixture of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polypropylene grafted maleic anhydride and polyethylene grafted maleic anhydride.

3. The antibacterial antistatic ABS flame-retardant color master batch according to claim 1, wherein the composite antibacterial agent is prepared from the following raw materials in parts by weight:

4. The antibacterial antistatic ABS flame retardant color masterbatch according to claim 1, wherein the antistatic agent is one or a mixture of octadecylamine polyoxyethylene (2) ether, dodecylamine polyoxyethylene (2) ether, octadecylamine polyoxyethylene (2) ether and dodecylamine polyoxyethylene (2) ether.

5. The antibacterial antistatic ABS flame-retardant color master batch according to claim 1, characterized in that: the composite flame retardant is prepared from the following raw materials in parts by weight:

6. The antibacterial antistatic ABS flame-retardant color masterbatch according to claim 1, wherein the dispersing lubricant is one or a mixture of more than two of polyethylene wax, bis-ethylene stearamide, polyethylene wax and bis-ethylene stearamide.

7. The antibacterial antistatic ABS flame-retardant color masterbatch according to claim 1, wherein the processing aid is a mixture of N, N '-ethylene bis stearamide, polyethylene wax and a coupling agent, wherein the mass ratio of the N, N' -ethylene bis stearamide to the polyethylene wax to the coupling agent is 1:1.3: 2.3.

8. A preparation system of antibacterial antistatic ABS flame retardant color masterbatch, which is used for preparing the antibacterial antistatic ABS flame retardant color masterbatch as claimed in any one of claims 1-7, and is characterized in that: the system comprises a feeding bin (1), a screw extruder (2), a cooling device (3), a granulator (4) and a homogenizing bin (5), wherein the feeding bin (1), the screw extruder (2), the cooling device (3), the granulator (4) and the homogenizing bin (5) are sequentially connected through pipelines;

the cooling device (3) comprises a water cooling chamber (31) and an air cooling chamber (36), a water cooling cavity (32) is arranged in the water cooling chamber (31), a plurality of groups of limiting pressing blocks (33) are arranged between the inner walls of the two sides of the water cooling cavity (32), the bottom of each limiting pressing block (33) is provided with a ball (34), and the top of the water cooling chamber (31) is provided with a spray pipeline (35);

a plurality of groups of limiting idler wheels (38) are arranged in the air cooling chamber (36), each group of limiting idler wheels (38) is composed of an upper idler wheel and a lower idler wheel, and the upper end of the air cooling chamber (36) is communicated with an air cooler (37).

9. The preparation system of the antibacterial antistatic ABS flame-retardant color master batch according to claim 8, characterized in that: the granulator (4) comprises a granulating chamber (41) and a screening frame (45), the granulating chamber (41) is arranged at the upper end of the granulator (4), and a first filter screen (43) is arranged in a channel between the granulating chamber (41) and the granulator (4); the screening frame (45) is positioned in the granulator (4) and is positioned right below the first filter screen (43);

cut the lateral wall of grain room (41) and offer direction import (413) of carrying the polymer material strip, the side of direction import (413) is equipped with two sets of deflector (44), and deflector (44) set up from top to bottom, one side of deflector (44) is provided with cuts grain hobbing cutter (42), cuts grain hobbing cutter (42) and is connected with driving motor through the pivot, and driving motor is located the outer wall of cutting grain room (41).

10. The preparation system of the antibacterial antistatic ABS flame-retardant color master batch according to claim 9, characterized in that: the bottom wall of the screening frame (45) is arranged in a downward inclined mode, a second filter screen (46) is arranged at the lower end of the screening frame (45) in an inclined mode, a fine particle collecting cavity (47) is formed between the second filter screen (46) and the bottom wall of the screening frame (45), and the bottom of the fine particle collecting cavity (47) is communicated with a waste discharge port (48);

a plurality of groups of partition plates (49) are uniformly distributed on the upper end face of the second filter screen (46), the partition plates (49) evenly divide the upper end face of the second filter screen (46) into a plurality of dispersing grooves, guide material plates (425) are distributed on two side walls of each dispersing groove in a staggered mode, the guide material plates (425) are arranged in a downward inclined mode, the lower ends of the dispersing grooves are communicated with collecting openings, and the collecting openings are communicated with material discharge openings (410).

11. The preparation system of the antibacterial antistatic ABS flame-retardant color master batch of claim 10, wherein the preparation system comprises: a damping spring (414) is connected between the bottom of the screening frame (45) and the inner bottom wall of the granulator (4), a top rod (417) is vertically connected to the center of the bottom of the screening frame (45), an inner loop bar (416) is sleeved outside the top rod (417), a stop block (418) is arranged at one end of the top rod (417) located in the inner loop bar (416), and a spring (419) is sleeved on the outer wall of the top rod (417) located in the inner loop bar (416); the bottom of the inner loop bar (416) is provided with a bottom bar (415).

12. The preparation system of the antibacterial antistatic ABS flame-retardant color master batch according to claim 11, characterized in that: the bottom swing joint of sill bar (415) has movable rod (420), and the one end that sill bar (415) were kept away from in movable rod (420) rotates and is connected with U type axle (421), and the one end horizontally connected of U type axle (421) has first pivot (422), and other end horizontally connected has second pivot (423), and the outside extension end of lateral wall that first pivot (422) run through pelleter (4) is equipped with motor (424).