CN115322440B - Antibacterial antistatic filler, antibacterial antistatic ABS composite material and preparation method thereof - Google Patents

Antibacterial antistatic filler, antibacterial antistatic ABS composite material and preparation method thereof Download PDF

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CN115322440B
CN115322440B CN202211004481.4A CN202211004481A CN115322440B CN 115322440 B CN115322440 B CN 115322440B CN 202211004481 A CN202211004481 A CN 202211004481A CN 115322440 B CN115322440 B CN 115322440B
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antibacterial
temperature
fullerene
antistatic
composite material
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CN115322440A (en
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王俊
林兴旺
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Shandong Haike Innovation Research Institute Co Ltd
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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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C08K3/045—Fullerenes
    • 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
    • C08K3/28—Nitrogen-containing compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic

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Abstract

The invention provides an antibacterial antistatic filler, an antibacterial antistatic ABS composite material and a preparation method thereof, and belongs to the field of high polymer materials. The ABS composite material with antibacterial and antistatic properties provided by the invention mainly comprises or consists of the following components in parts by weight: 80-100 parts of ABS, 10-16 parts of antibacterial antistatic filler and 0.1-0.5 part of antioxidant. The ABS composite material with the antibacterial and antistatic properties provided by the invention has excellent antibacterial properties and antistatic properties, and has remarkable significance for expanding the application of the ABS composite material.

Description

Antibacterial antistatic filler, antibacterial antistatic ABS composite material and preparation method thereof
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to an antibacterial antistatic filler, an antibacterial antistatic ABS composite material and a preparation method thereof.
Background
Acrylonitrile-butadiene-styrene (ABS) is a widely used polymer resin, and ABS has advantages of good fatigue resistance, good heat resistance, excellent dimensional stability, etc., but ABS has general antibacterial and antistatic properties, which limits the application of ABS composite materials in some specific fields. Therefore, how to simultaneously improve the antibacterial property and the antistatic property of the ABS material has very important practical significance for expanding the application of the ABS composite material.
Disclosure of Invention
In view of the above, the invention innovatively synthesizes an antibacterial antistatic filler, an antibacterial antistatic ABS composite material and a preparation method thereof, and the composite material has good antibacterial performance and antistatic performance, and effectively solves the technical problems of limited antibacterial performance and antistatic performance of the ABS in the prior art.
In order to achieve the above purpose, the invention provides an antibacterial antistatic filler, which is prepared by the following method:
weighing polyacrylic acid modified fullerene powder material, carvacrol, ethanol solution and silver nitrate, placing the materials into a reaction vessel, reacting for 10-16h at normal temperature, filtering, washing and drying to obtain carvacrol-acrylic acid-fullerene-Ag + Composite material, i.e. antibacterial antistatic filler.
Preferably, the mass ratio of the added polyacrylic acid modified fullerene powder material, carvacrol, ethanol solution and silver nitrate is (30-40): (10-14): (60-70): (6-8).
Preferably, the polyacrylic acid modified fullerene powder material is prepared by the following method:
weighing deionized water, an initiator, acrylic acid and an emulsifier, placing the materials in a reaction vessel, and stirring the materials in a water bath at 60-80 ℃ for 8-10h to prepare a solution A;
weighing fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder;
weighing the solution A, the cross-linking agent glycol dimethacrylate and the fullerene powder, placing the solution A, the cross-linking agent glycol dimethacrylate and the fullerene powder into a reaction vessel, reacting for 8-12h in a water bath at 70-90 ℃, filtering, washing the surface with deionized water until the pH value is 7, and drying to obtain the polyacrylic acid modified fullerene powder material.
Preferably, the initiator is potassium persulfate and the emulsifier is sodium dodecyl sulfate.
Preferably, the mass ratio of the deionized water, the initiator potassium persulfate, the monomer acrylic acid and the emulsifier sodium dodecyl sulfate is (80-90): (0.2-0.4): (30-40): (0.1-0.3).
Preferably, the mass ratio of the added solution A, the cross-linking agent glycol dimethacrylate and the fullerene powder is (40-50): (0.2-0.4); (16-20).
The invention provides an antibacterial and antistatic ABS composite material, which mainly comprises or consists of the following components in parts by weight:
80-100 parts of ABS
The antibacterial antistatic filler in the technical proposal is 10 to 16 parts
0.1-0.5 part of antioxidant.
In the above-described embodiment, the antioxidant to be added may be at least one selected from Irganox1010, irganox1330, irganox 168.
Preferably, the inhibition rate of the composite material to staphylococcus aureus is more than or equal to 98.2 percent, and the inhibition rate to escherichia coli is more than or equal to 98.1 percent.
The invention provides a preparation method of an antibacterial and antistatic ABS composite material according to any one of the technical schemes, which comprises the following steps:
weighing 80-100 parts of ABS, 10-16 parts of antibacterial antistatic filler and 0.1-0.5 part of antioxidant, mixing and stirring uniformly to obtain a mixture;
extruding and granulating the obtained mixture from a double-screw extruder to obtain the ABS composite material.
Preferably, the twin-screw extruder comprises six temperature areas which are sequentially arranged, and the six temperature areas are sequentially: the temperature of the first area is 180-210 ℃, the temperature of the second area is 200-230 ℃, the temperature of the third area is 200-230 ℃, the temperature of the fourth area is 200-230 ℃, the temperature of the fifth area is 200-230 ℃, and the temperature of the sixth area is 200-230 ℃; the temperature of the head of the double-screw extruder is 200-230 ℃ and the screw rotating speed is 200-280 r/min.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides an antibacterial and antistatic ABS composite material, which is prepared by adding an innovative synthetic antibacterial and antistatic filler into an ABS material, so that the antibacterial and antistatic properties of the existing ABS material are effectively improved, and the antibacterial and antistatic ABS composite material has remarkable significance for expanding the application of the ABS composite material.
2. The innovative synthesized carvacrol-acrylic acid-fullerene-Ag is added into the ABS composite material provided by the invention + A composite material. After the fullerene is modified by acrylic acid, the binding capacity of the fullerene with carvacrol is enhanced, and the natural antimicrobial carvacrol can damage the cell membrane structure of microorganisms and inhibit the activities of proteins and enzymes, so that the natural antimicrobial carvacrol has strong inhibition or killing effects on microorganisms. On the other hand with metal ion Ag + The combination also has extremely strong inhibition effect on microorganisms, which also strengthens the antibacterial effect of the ABS composite material. Thus, carvacrol-acrylic acid-fullerene-Ag + The addition of the composite material can effectively improve the antibacterial property of the ABS composite material. Fullerene itself is a good antistatic material, and its presence improves the antistatic properties of ABS composites.
Carvacrol-acrylic acid-fullerene-Ag + The reaction mechanism of the composite material is as follows: the polymerization-crosslinking reaction of acrylic acid is mainly divided into two processes. Firstly, an initiator sodium persulfate is dissolved in water to form free radicals in the water, and a part of the free radicals enter a micelle from a water phase to continuously form emulsion particles; the other part initiates the polymerization of acrylic acid monomer in the water phase, and sodium dodecyl sulfate is adsorbed to form more and larger emulsion particles. The monomer in the aqueous phase can be continuously diffused into the latex particles to promote chain initiation and growth until macromolecular polyacrylic acid is polymerized. And the polyacrylic acid is grafted and crosslinked with fullerene by using a crosslinking agent glycol dimethacrylate, and finally, the polyacrylic acid is precipitated and polymerized on the surface of the fullerene.
The macromolecular polyacrylic acid generated by acrylic acid polymerization contains a large amount of carboxyl groups, which on one hand can easily adsorb Ag in the solution + Coordination complex is carried out to form chelate, on the other hand, the chelate can be combined with hydroxyl in the carvacrol structure to finally form carvacrol-acrylic acid-fullerene-Ag + A composite material.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to specific embodiments that are now described. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The raw materials used in the invention are as follows:
ABS (model 750A), daqing petrochemical; potassium persulfate, atanan double-earning chemical industry limited; acrylic acid, zhengzhou senta chemical company limited; sodium dodecyl sulfate, qianling chemical Co., ltd; ethylene glycol dimethacrylate, jinan Xinshuo chemical Co., ltd; fullerene, jiangsu Xianfeng nano materials science and technology Co., ltd; silver nitrate, atangar-sandy chemical Co., ltd; carvacrol, wuhan Ji Ye liter chemical industry limited; deionized water, jinan Hai Ruibao chemical Co., ltd; ethanol solution, shanghai chemical industry Co., ltd.
Preparation example 1
Weighing 800g of deionized water, 2g of initiator potassium persulfate, 300g of monomer acrylic acid and 3g of emulsifier sodium dodecyl sulfate, placing the mixture in a reaction vessel, and stirring the mixture in a water bath at 60 ℃ for 8 hours to prepare a solution A;
weighing a certain amount of fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder;
400g of solution A, 2g of cross-linking agent glycol dimethacrylate and 160g of fullerene powder are weighed, placed in a reaction vessel for reaction for 8 hours in a water bath at 70 ℃, filtered, washed with deionized water until the pH=7, and dried to obtain the polyacrylic acid modified fullerene powder material.
300g of polyacrylic acid modified fullerene powder material, 100g of carvacrol, 600g of ethanol solution and 60g of silver nitrate are weighed, placed in a reaction vessel for reaction for 10 hours at normal temperature, filtered, washed and dried to obtain the antibacterial antistatic filler M1.
Example 1
Weighing 80 parts of ABS,10 parts of antibacterial antistatic filler M1 and 0.1 part of Irganox1010, mixing and stirring uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material P1.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: 180 ℃ in the first area, 200 ℃ in the second area, 200 ℃ in the third area, 200 ℃ in the fourth area, 200 ℃ in the fifth area, 200 ℃ in the sixth area, 200 ℃ in the head and 200r/min of screw rotating speed.
Preparation example 2
900g of deionized water, 4g of initiator potassium persulfate, 400g of monomer acrylic acid and 3g of emulsifier sodium dodecyl sulfate are weighed and placed in a reaction vessel, and stirred in a water bath at 80 ℃ for 10 hours to prepare a solution A;
weighing a certain amount of fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder;
400g of solution A, 4g of cross-linking agent glycol dimethacrylate and 200g of fullerene powder are weighed, placed in a reaction vessel for reaction for 12 hours in a water bath at 90 ℃, filtered, washed on the surface by deionized water until the pH value is=7, and dried to obtain the polyacrylic acid modified fullerene powder material.
400g of polyacrylic acid modified fullerene powder material, 140g of carvacrol, 700g of ethanol solution and 80g of silver nitrate are weighed, placed in a reaction vessel for reaction at normal temperature for 16 hours, filtered, washed and dried to obtain the antibacterial antistatic filler M2.
Example 2
100 parts of ABS, 16 parts of antibacterial antistatic filler M2, 0.1 part of Irganox1010, 0.2 part of Irganox168 and 0.2 part of Irganox1330 are weighed, mixed and stirred uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material P2.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the temperature of the first area is 210 ℃, the temperature of the second area is 230 ℃, the temperature of the third area is 230 ℃, the temperature of the fourth area is 230 ℃, the temperature of the fifth area is 230 ℃, the temperature of the sixth area is 230 ℃, the temperature of the machine head is 230 ℃, and the rotating speed of the screw is 280r/min.
Preparation example 3
850g of deionized water, 3g of initiator potassium persulfate, 350g of monomer acrylic acid and 2g of emulsifier sodium dodecyl sulfate are weighed and placed in a reaction vessel, and stirred in a water bath at 70 ℃ for 9 hours to prepare a solution A;
weighing a certain amount of fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder;
450g of solution A, 3g of cross-linking agent glycol dimethacrylate and 180g of fullerene powder are weighed, placed in a reaction vessel for reaction for 10 hours in a water bath at 80 ℃, filtered, and then washed with deionized water until the pH value is=7, and dried to obtain the polyacrylic acid modified fullerene powder material.
350g of polyacrylic acid modified fullerene powder material, 120g of carvacrol, 650g of ethanol solution and 70g of silver nitrate are weighed, placed in a reaction vessel for reaction for 13h at normal temperature, filtered, washed and dried to obtain the antibacterial antistatic filler M3.
Example 3
90 parts of ABS, 13 parts of antibacterial antistatic filler M3, 0.2 part of Irganox1330 and 0.1 part of Irganox168 are weighed, mixed and stirred uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material P3.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the temperature of the first area is 195 ℃, the temperature of the second area is 215 ℃, the temperature of the third area is 215 ℃, the temperature of the fourth area is 220 ℃, the temperature of the fifth area is 220 ℃, the temperature of the sixth area is 220 ℃, the temperature of the machine head is 220 ℃, and the rotating speed of the screw is 240r/min.
Preparation example 4
825g deionized water, 3.5g initiator potassium persulfate, 365g monomer acrylic acid and 1.5g emulsifier sodium dodecyl sulfate are weighed and placed in a reaction vessel, and stirred in a water bath at 65 ℃ for 8 hours to prepare a solution A;
weighing a certain amount of fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder.
415g of solution A, 3.5g of cross-linking agent glycol dimethacrylate and 185g of fullerene powder are weighed, placed in a reaction vessel, reacted in a water bath at 85 ℃ for 11 hours, filtered, and then washed with deionized water until the pH=7, and dried to obtain the polyacrylic acid modified fullerene powder material.
315g of polyacrylic acid modified fullerene powder material, 115g of carvacrol, 655g of ethanol solution and 75g of silver nitrate are weighed, placed in a reaction vessel for reaction at normal temperature for 14h, filtered, washed and dried, and then the antibacterial antistatic filler M4 is obtained.
Example 4
Weighing 95 parts of ABS, 11 parts of antibacterial antistatic filler M4, 0.1 part of Irganox1010 and 0.2 part of Irganox1330, mixing and stirring uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material P4.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the temperature of the first area is 205 ℃, the temperature of the second area is 218 ℃, the temperature of the third area is 225 ℃, the temperature of the fourth area is 225 ℃, the temperature of the fifth area is 225 ℃, the temperature of the sixth area is 225 ℃, the temperature of the machine head is 225 ℃, and the rotating speed of the screw is 230r/min.
Preparation example 5
835g of deionized water, 3.5g of initiator potassium persulfate, 395g of monomer acrylic acid and 2.5g of emulsifier sodium dodecyl sulfate are weighed and placed in a reaction vessel, and stirred in a water bath at 65 ℃ for 9 hours to prepare a solution A;
weighing a certain amount of fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder;
465g of solution A, 3.5g of cross-linking agent glycol dimethacrylate and 185g of fullerene powder are weighed, placed in a reaction vessel for reaction in a water bath at 75 ℃ for 11 hours, filtered, and then washed with deionized water until the pH=7, and dried to obtain the polyacrylic acid modified fullerene powder material.
365g of polyacrylic acid modified fullerene powder material, 135g of carvacrol, 655g of ethanol solution and 75g of silver nitrate are weighed, placed in a reaction vessel for reaction for 13 hours at normal temperature, filtered, washed and dried to obtain the antibacterial antistatic filler M5.
Example 5
Weighing 95 parts of ABS, 15 parts of antibacterial antistatic filler M5 and 0.1 part of Irganox1010, mixing and stirring uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material P5.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the first region temperature is 195 ℃, the second region temperature is 225 ℃, the third region temperature is 225 ℃, the fourth region temperature is 225 ℃, the fifth region temperature is 225 ℃, and the sixth region temperature is 225 ℃; the temperature of the head of the double-screw extruder is 225 ℃, and the rotating speed of the screw is 225r/min.
Comparative example 1 (comparative example 5)
Weighing 95 parts of ABS and 0.1 part of Irganox1010, mixing and stirring uniformly to obtain a mixture;
the obtained mixture was extruded from an extruder and pelletized to obtain an ABS composite, designated D1.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the first region temperature is 195 ℃, the second region temperature is 225 ℃, the third region temperature is 225 ℃, the fourth region temperature is 225 ℃, the fifth region temperature is 225 ℃, and the sixth region temperature is 225 ℃; the temperature of the head of the double-screw extruder is 225 ℃, and the rotating speed of the screw is 225r/min.
Comparative example 2 (comparative example 5)
Weighing 95 parts of ABS, 15 parts of fullerene and 0.1 part of Irganox1010, mixing and stirring uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material, which is marked as D2.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the first region temperature is 195 ℃, the second region temperature is 225 ℃, the third region temperature is 225 ℃, the fourth region temperature is 225 ℃, the fifth region temperature is 225 ℃, and the sixth region temperature is 225 ℃; the temperature of the head of the double-screw extruder is 225 ℃, and the rotating speed of the screw is 225r/min.
Comparative example 3 (comparative example 5)
Weighing 95 parts of ABS, 15 parts of polyacrylic acid modified fullerene powder material and 0.1 part of Irganox1010, mixing and stirring uniformly to obtain a mixture;
and extruding and granulating the obtained mixture from an extruder to obtain the ABS composite material, which is marked as D2.
Wherein the temperature and the screw rotating speed of each zone of the double-screw extruder are respectively as follows: the first region temperature is 195 ℃, the second region temperature is 225 ℃, the third region temperature is 225 ℃, the fourth region temperature is 225 ℃, the fifth region temperature is 225 ℃, and the sixth region temperature is 225 ℃; the temperature of the head of the double-screw extruder is 225 ℃, and the rotating speed of the screw is 225r/min.
The performance data of the ABS composites of examples 1-5 and comparative examples 1-3 are shown in Table 1 below.
TABLE 1
As can be seen from the data in Table 1, the inhibition rate of X1-5 to staphylococcus aureus is more than or equal to 98.2%, the inhibition rate to escherichia coli is more than or equal to 98.1%, and compared with D1, the antibacterial performance and antistatic performance of the composition are good, and compared with D1, the composition is good in antibacterial performance and equivalent in antistatic performance. Therefore, the ABS composite material prepared by the method provided by the invention has the advantages that the antibacterial property and the antistatic property are improved effectively, so that the application field of the ABS composite material can be expanded effectively.

Claims (9)

1. The antibacterial antistatic filler is characterized by being prepared by the following method:
weighing polyacrylic acid modified fullerene powder material, carvacrol, ethanol solution and silver nitrate, placing the materials into a reaction vessel, reacting for 10-16h at normal temperature, filtering, washing and drying to obtain carvacrol-acrylic acid-fullerene-Ag + Composite materials, namely antibacterial antistatic fillers;
the polyacrylic acid modified fullerene powder material is prepared by the following method:
weighing deionized water, an initiator, acrylic acid and an emulsifier, placing the materials in a reaction vessel, and stirring the materials in a water bath at 60-80 ℃ for 8-10h to prepare a solution A;
weighing fullerene, placing the fullerene in a crucible, grinding the fullerene into powder, and sieving the powder with a 500-mesh sieve to obtain fullerene powder;
weighing the solution A, the cross-linking agent glycol dimethacrylate and the fullerene powder, placing the solution A, the cross-linking agent glycol dimethacrylate and the fullerene powder into a reaction vessel, reacting for 8-12h in a water bath at 70-90 ℃, filtering, washing the surface with deionized water until the pH value is 7, and drying to obtain the polyacrylic acid modified fullerene powder material.
2. The antibacterial and antistatic filler according to claim 1, wherein the added polyacrylic acid modified fullerene powder material, carvacrol, ethanol solution and silver nitrate have the mass ratio of (30-40): (10-14): (60-70): (6-8).
3. The antibacterial and antistatic filler according to claim 1, wherein the added initiator is potassium persulfate and the emulsifier is sodium dodecyl sulfate.
4. The antibacterial and antistatic filler according to claim 3, wherein the mass ratio of the deionized water, the initiator potassium persulfate, the monomer acrylic acid and the emulsifier sodium dodecyl sulfate is (80-90): (0.2-0.4): (30-40): (0.1-0.3).
5. The antibacterial and antistatic filler according to claim 1, wherein the mass ratio of the added solution A, the crosslinking agent ethylene glycol dimethacrylate and the fullerene powder is (40-50): (0.2-0.4); (16-20).
6. The ABS composite material with the antibacterial and antistatic properties is characterized by mainly comprising or consisting of the following components in parts by weight:
80-100 parts of ABS
The antibacterial and antistatic filler according to claim 1, 10-16 parts
0.1-0.5 part of antioxidant.
7. The antibacterial and antistatic ABS composite material according to claim 6, wherein the inhibition rate of the composite material to staphylococcus aureus is more than or equal to 98.2%, and the inhibition rate to escherichia coli is more than or equal to 98.1%.
8. The method for preparing the antibacterial and antistatic ABS composite material according to claim 6 or 7, comprising the following steps:
weighing 80-100 parts of ABS, 10-16 parts of antibacterial antistatic filler and 0.1-0.5 part of antioxidant, mixing and stirring uniformly to obtain a mixture;
extruding and granulating the obtained mixture from a double-screw extruder to obtain the ABS composite material.
9. The method according to claim 8, wherein the twin-screw extruder comprises six temperature zones arranged in sequence: the temperature of the first area is 180-210 ℃, the temperature of the second area is 200-230 ℃, the temperature of the third area is 200-230 ℃, the temperature of the fourth area is 200-230 ℃, the temperature of the fifth area is 200-230 ℃, and the temperature of the sixth area is 200-230 ℃; the temperature of the head of the double-screw extruder is 200-230 ℃ and the screw rotating speed is 200-280 r/min.
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