CN111410834A - Antistatic PC/ABS modified material and preparation method thereof - Google Patents
Antistatic PC/ABS modified material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2231—Oxides; Hydroxides of metals of tin
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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Abstract
The invention discloses an antistatic PC/ABS modified material and a preparation method thereof, and relates to the technical field of modification and processing of high polymer materials. The antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 80-100 parts of PC resin, 15-20 parts of ABS resin, 1-5 parts of toughening agent, 15-25 parts of antistatic agent, 0.8-1.6 parts of antioxidant, 0.2-0.6 part of catalyst and 2-5 parts of other additives, wherein the PC resin is polycarbonate with the viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is an acrylonitrile-butadiene-styrene copolymer with the viscosity average molecular weight of 8000-150000g/mol prepared by an emulsion polymerization method. According to the invention, the mixture consisting of the carbon nano tube, the titanium oxide powder, the tin oxide powder, the lauric acid diethanolamide particles and the octadecyl dihydroxyethyl methyl ammonium bromide particles is used as the antistatic agent, so that the surface resistivity of the modified material reaches 8-11 orders of magnitude, and the antistatic property of the material can be obviously improved on the basis of keeping the impact resistance of the material.
Description
Technical Field
The invention relates to the technical field of modification and processing of high polymer materials, in particular to an antistatic PC/ABS modified material and a preparation method thereof.
Background
PC/ABS is a thermoplastic plastic made of Polycarbonate (Polycarbonate) and polypropylene fine (ABS) alloys, combining the excellent properties of both materials, the moldability of ABS materials and the mechanical, impact strength and temperature, Ultraviolet (UV) resistance properties of PC, PC + ABS (engineering plastic alloy), the Chinese name in the chemical industry called plastic alloy, so named PC/ABS, because this material has both the excellent heat and weather resistance, dimensional stability and impact resistance of PC resins and the excellent processing flowability of ABS resins, so that it can be applied to thin-walled and complex-shaped articles, maintaining its excellent moldability, and maintaining the balance of processability, cost, and processability for automotive bodies and dashboards, computer housings and mobile phone panels, as well as for blends of acrylonitrile-butadiene-styrene terpolymer (ABS). CYCO L OY can be tailored to meet specific performance requirements.
However, in the prior art, in actual use, the PC/ABS modified material has high surface resistance and volume resistance, once triboelectrification is carried out, static electricity is not easy to remove through conduction and is retained on the surface of the material, so that the appearance characteristics, the manufacture and the use of the material are influenced, and the electrostatic potential safety hazard exists more importantly.
Disclosure of Invention
The invention aims to provide an antistatic PC/ABS modified material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 80-100 parts of PC resin, 15-20 parts of ABS resin, 1-5 parts of toughening agent, 15-25 parts of antistatic agent, 0.8-1.6 parts of antioxidant, 0.2-0.6 part of catalyst and 2-5 parts of other auxiliary agents.
Preferably, the PC resin is polycarbonate with viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is acrylonitrile-butadiene-styrene copolymer with viscosity average molecular weight of 8000-150000g/mol prepared by emulsion polymerization.
Preferably, the weight average molecular weight of the ABS resin is 120,000-160,000g/mol, and the weight average molecular weight of the PC resin is 21,000-32,000 g/mol.
Preferably, the toughening agent is one or a mixture of ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer and methyl methacrylate-butadiene-styrene terpolymer.
Preferably, the antistatic agent is a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4: 4.
Preferably, the antioxidant is one or a mixture of tris (nonylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, alkylated monophenol, and an alkylated reaction product of polyphenol and diene, and the other auxiliary agents include a dispersant which is a random copolymer obtained by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer, and a titanate coupling agent which is a monoalkoxy type, and the weight ratio of the dispersant to the titanate coupling agent is 4: 3.
The invention also provides a preparation method of the antistatic PC/ABS modified material according to any one of claims 1-6, which is characterized in that: the method comprises the following steps:
s1, weighing the raw materials in parts by weight;
s2, baking 80-100 parts of PC resin, 15-20 parts of ABS resin, and titanium oxide powder and tin oxide powder in the antistatic agent at the temperature of 100-120 ℃ for 3-4h for later use;
s3, weighing 80-100 parts by weight of baked PC resin, 15-20 parts by weight of ABS resin and 2-5 parts by weight of other auxiliary agents, mixing, and putting into a high-speed mixer for blending for 10-20min to obtain a mixture;
s4, putting the carbon nano tube, the lauric acid diethanolamide particles, the octadecyl dihydroxyethyl methyl ammonium bromide particles and the antistatic agent of the titanium oxide powder and the tin oxide powder in the step S2 in a weight ratio of 4:4:4:1:1 into a high-speed mixer, and blending for 10-20min to obtain a mixture;
s5, putting the mixture obtained in the step S3 and the mixture obtained in the step S4 into a double-screw extruder for extrusion granulation;
s6, naturally cooling the particles produced in the step S5 to obtain the antistatic PC/ABS modified material.
Preferably, the ratio of the long diameter of the screw of the double-screw extruder is 40-45:1, the temperature of the screw cylinder is 250-260 ℃, and the rotating speed of the screw is 400-500 r/min.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4:4 is used as an antistatic agent, so that the surface resistivity of the modified material reaches 8-11 orders of magnitude, and the antistatic property of the material can be obviously improved on the basis of keeping the impact resistance of the material;
2. the invention also relates to a dispersing agent of a random copolymer formed by copolymerizing aromatic vinyl monomers and acrylonitrile monomers and a single alkoxy type titanate coupling agent, wherein the weight ratio of the dispersing agent to the titanate coupling agent is 4:3, so that the adhesive strength between the antistatic agent and PC resin and ABS resin is enhanced, the performance of the composite material is improved, other media can be prevented from permeating into an interface, the state of the interface is improved, and the aging resistance, the stress resistance and the electric insulation performance of a product are facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
the first embodiment is as follows:
the antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 80-100 parts of PC resin, 15-20 parts of ABS resin, 1-5 parts of toughening agent, 15-25 parts of antistatic agent, 0.8-1.6 parts of antioxidant, 0.2-0.6 part of catalyst and 2-5 parts of other auxiliary agents.
The PC resin is polycarbonate with the viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is acrylonitrile-butadiene-styrene copolymer with the viscosity average molecular weight of 8000-150000g/mol prepared by an emulsion polymerization method.
The weight average molecular weight of the ABS resin is 120,000-160,000g/mol, and the weight average molecular weight of the PC resin is 21,000-32,000 g/mol.
The toughening agent is one or a mixture of ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer and methyl methacrylate-butadiene-styrene terpolymer.
The antistatic agent is a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4: 4.
The antioxidant is one or a mixture of tris (nonylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, alkylated monophenol and alkylated reaction products of polyphenol and diene, and the other auxiliaries include a dispersant which is a random copolymer obtained by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer and a titanate coupling agent which is of a monoalkoxy type, and the weight ratio of the dispersant to the titanate coupling agent is 4: 3.
A preparation method of antistatic PC/ABS modified material is characterized by comprising the following steps: the method comprises the following steps:
s1, weighing the raw materials in parts by weight;
s2, baking 80-100 parts of PC resin, 15-20 parts of ABS resin, and titanium oxide powder and tin oxide powder in the antistatic agent at the temperature of 100-120 ℃ for 3-4h for later use;
s3, weighing 80-100 parts by weight of baked PC resin, 15-20 parts by weight of ABS resin and 2-5 parts by weight of other auxiliary agents, mixing, and putting into a high-speed mixer for blending for 10-20min to obtain a mixture;
s4, putting the carbon nano tube, the lauric acid diethanolamide particles, the octadecyl dihydroxyethyl methyl ammonium bromide particles and the antistatic agent of the titanium oxide powder and the tin oxide powder in the step S2 in a weight ratio of 4:4:4:1:1 into a high-speed mixer, and blending for 10-20min to obtain a mixture;
s5, putting the mixture obtained in the step S3 and the mixture obtained in the step S4 into a double-screw extruder for extrusion granulation;
s6, naturally cooling the particles produced in the step S5 to obtain the antistatic PC/ABS modified material.
The ratio of the long diameter of the screw of the double-screw extruder is 40-45:1, the temperature of the screw cylinder is 250-.
The test results of the antistatic PC/ABS modified material prepared by the method described in example I are shown in Table I.
Example two:
the antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 80 parts of PC resin, 15 parts of ABS resin, 1 part of toughening agent, 15 parts of antistatic agent, 0.8 part of antioxidant, 0.2 part of catalyst and 2 parts of other auxiliary agents.
The PC resin is polycarbonate with the viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is acrylonitrile-butadiene-styrene copolymer with the viscosity average molecular weight of 8000-150000g/mol prepared by an emulsion polymerization method.
The weight average molecular weight of the ABS resin is 120,000-160,000g/mol, and the weight average molecular weight of the PC resin is 21,000-32,000 g/mol.
The toughening agent is one or a mixture of ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer and methyl methacrylate-butadiene-styrene terpolymer.
The antistatic agent is a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4: 4.
The antioxidant is one or a mixture of tris (nonylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, alkylated monophenol and alkylated reaction products of polyphenol and diene, and the other auxiliaries include a dispersant which is a random copolymer obtained by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer and a titanate coupling agent which is of a monoalkoxy type, and the weight ratio of the dispersant to the titanate coupling agent is 4: 3.
A preparation method of antistatic PC/ABS modified material is characterized by comprising the following steps: the method comprises the following steps:
s1, weighing the raw materials in parts by weight;
s2, baking 80 parts of PC resin, 15 parts of ABS resin and titanium oxide powder and tin oxide powder in the antistatic agent at the temperature of 100-120 ℃ for 3-4h for later use;
s3, weighing 80 parts by weight of baked PC resin, 15 parts by weight of ABS resin and 2 parts by weight of other auxiliary agents, mixing, and putting into a high-speed mixer for blending for 10-20min to obtain a mixture;
s4, putting the carbon nano tube, the lauric acid diethanolamide particles, the octadecyl dihydroxyethyl methyl ammonium bromide particles and the antistatic agent of the titanium oxide powder and the tin oxide powder in the step S2 in a weight ratio of 4:4:4:1:1 into a high-speed mixer, and blending for 10-20min to obtain a mixture;
s5, putting the mixture obtained in the step S3 and the mixture obtained in the step S4 into a double-screw extruder for extrusion granulation;
s6, naturally cooling the particles produced in the step S5 to obtain the antistatic PC/ABS modified material.
The ratio of the long diameter of the screw of the double-screw extruder is 40-45:1, the temperature of the screw cylinder is 250-.
The test results of the antistatic PC/ABS modified material obtained by the method described in example II are shown in Table I.
Example three:
the antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 100 parts of PC resin, 20 parts of ABS resin, 5 parts of toughening agent, 25 parts of antistatic agent, 1.6 parts of antioxidant, 0.6 part of catalyst and 5 parts of other auxiliary agents.
The PC resin is polycarbonate with the viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is acrylonitrile-butadiene-styrene copolymer with the viscosity average molecular weight of 8000-150000g/mol prepared by an emulsion polymerization method.
The weight average molecular weight of the ABS resin is 120,000-160,000g/mol, and the weight average molecular weight of the PC resin is 21,000-32,000 g/mol.
The toughening agent is one or a mixture of ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer and methyl methacrylate-butadiene-styrene terpolymer.
The antistatic agent is a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4: 4.
The antioxidant is one or a mixture of tris (nonylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, alkylated monophenol and alkylated reaction products of polyphenol and diene, and the other auxiliaries include a dispersant which is a random copolymer obtained by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer and a titanate coupling agent which is of a monoalkoxy type, and the weight ratio of the dispersant to the titanate coupling agent is 4: 3.
A preparation method of antistatic PC/ABS modified material is characterized by comprising the following steps: the method comprises the following steps:
s1, weighing the raw materials in parts by weight;
s2, baking 100 parts of PC resin, 20 parts of ABS resin and titanium oxide powder and tin oxide powder in the antistatic agent at the temperature of 100-120 ℃ for 3-4h for later use;
s3, weighing 100 parts by weight of baked PC resin, 20 parts by weight of ABS resin and 5 parts by weight of other auxiliaries, mixing, and putting into a high-speed mixer for blending for 10-20min to obtain a mixture;
s4, putting the carbon nano tube, the lauric acid diethanolamide particles, the octadecyl dihydroxyethyl methyl ammonium bromide particles and the antistatic agent of the titanium oxide powder and the tin oxide powder in the step S2 in a weight ratio of 4:4:4:1:1 into a high-speed mixer, and blending for 10-20min to obtain a mixture;
s5, putting the mixture obtained in the step S3 and the mixture obtained in the step S4 into a double-screw extruder for extrusion granulation;
s6, naturally cooling the particles produced in the step S5 to obtain the antistatic PC/ABS modified material.
The ratio of the long diameter of the screw of the double-screw extruder is 40-45:1, the temperature of the screw cylinder is 250-.
The test results of the antistatic PC/ABS modified material prepared by the method described in example III are shown in Table I.
Example four:
the antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 90 parts of PC resin, 17.5 parts of ABS resin, 3 parts of toughening agent, 20 parts of antistatic agent, 1.2 parts of antioxidant, 0.4 part of catalyst and 3.5 parts of other auxiliary agents.
The PC resin is polycarbonate with the viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is acrylonitrile-butadiene-styrene copolymer with the viscosity average molecular weight of 8000-150000g/mol prepared by an emulsion polymerization method.
The weight average molecular weight of the ABS resin is 120,000-160,000g/mol, and the weight average molecular weight of the PC resin is 21,000-32,000 g/mol.
The toughening agent is one or a mixture of ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer and methyl methacrylate-butadiene-styrene terpolymer.
The antistatic agent is a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4: 4.
The antioxidant is one or a mixture of tris (nonylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, alkylated monophenol and alkylated reaction products of polyphenol and diene, and the other auxiliaries include a dispersant which is a random copolymer obtained by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer and a titanate coupling agent which is of a monoalkoxy type, and the weight ratio of the dispersant to the titanate coupling agent is 4: 3.
A preparation method of antistatic PC/ABS modified material is characterized by comprising the following steps: the method comprises the following steps:
s1, weighing the raw materials in parts by weight;
s2, baking 90 parts of PC resin, 17.5 parts of ABS resin, and titanium oxide powder and tin oxide powder in the antistatic agent at the temperature of 100-120 ℃ for 3-4h for later use;
s3, weighing 90 parts by weight of baked PC resin, 17.5 parts by weight of ABS resin and 3.5 parts by weight of other auxiliary agents, mixing, and putting into a high-speed mixer for blending for 10-20min to obtain a mixture;
s4, putting the carbon nano tube, the lauric acid diethanolamide particles, the octadecyl dihydroxyethyl methyl ammonium bromide particles and the antistatic agent of the titanium oxide powder and the tin oxide powder in the step S2 in a weight ratio of 4:4:4:1:1 into a high-speed mixer, and blending for 10-20min to obtain a mixture;
s5, putting the mixture obtained in the step S3 and the mixture obtained in the step S4 into a double-screw extruder for extrusion granulation;
s6, naturally cooling the particles produced in the step S5 to obtain the antistatic PC/ABS modified material.
The ratio of the long diameter of the screw of the double-screw extruder is 40-45:1, the temperature of the screw cylinder is 250-.
The test results of the antistatic PC/ABS modified material obtained by the method described in example four are shown in Table I.
Table one:
and (4) experimental conclusion: as can be seen from Table 1, the antistatic PC/ABS modified material provided by the invention can remarkably improve the antistatic property of the material on the basis of keeping the impact resistance of the material, and simultaneously the tensile strength, rigidity, heat distortion temperature and bending strength resistance of a product are improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An antistatic PC/ABS modified material is characterized in that: the antistatic PC/ABS modified material is prepared from the following raw materials in parts by weight: 80-100 parts of PC resin, 15-20 parts of ABS resin, 1-5 parts of toughening agent, 15-25 parts of antistatic agent, 0.8-1.6 parts of antioxidant, 0.2-0.6 part of catalyst and 2-5 parts of other auxiliary agents.
2. The antistatic PC/ABS modified material as claimed in claim 1, wherein: the PC resin is polycarbonate with the viscosity average molecular weight of 13000-40000g/mol, and the ABS resin is acrylonitrile-butadiene-styrene copolymer with the viscosity average molecular weight of 8000-150000g/mol, which is prepared by an emulsion polymerization method.
3. The antistatic PC/ABS modified material as claimed in claim 1, wherein: the weight average molecular weight of the ABS resin is 120,000-160,000g/mol, and the weight average molecular weight of the PC resin is 21,000-32,000 g/mol.
4. The antistatic PC/ABS modified material as claimed in claim 1, wherein: the toughening agent is one or a mixture of ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-styrene copolymer and methyl methacrylate-butadiene-styrene terpolymer.
5. The antistatic PC/ABS modified material as claimed in claim 1, wherein: the antistatic agent is a mixture of carbon nanotubes, titanium oxide powder, tin oxide powder, lauric acid diethanolamide particles and octadecyl dihydroxyethyl methyl ammonium bromide particles in a weight ratio of 4:1:1:4: 4.
6. The antistatic PC/ABS modified material as claimed in claim 1, wherein: the antioxidant is one or a mixture of tris (nonylphenyl) phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, alkylated monophenol and alkylated reaction products of polyphenol and diene, the other auxiliary agents include a dispersing agent which is a random copolymer formed by copolymerizing an aromatic vinyl monomer and an acrylonitrile monomer, and a titanate coupling agent which is of a monoalkoxy type, and the weight ratio of the dispersing agent to the titanate coupling agent is 4: 3.
7. The method for preparing an antistatic PC/ABS modified material as claimed in any of claims 1 to 6, characterized in that: the method comprises the following steps:
s1, weighing the raw materials in parts by weight;
s2, baking 80-100 parts of PC resin, 15-20 parts of ABS resin, and titanium oxide powder and tin oxide powder in the antistatic agent at the temperature of 100-120 ℃ for 3-4h for later use;
s3, weighing 80-100 parts by weight of baked PC resin, 15-20 parts by weight of ABS resin and 2-5 parts by weight of other auxiliary agents, mixing, and putting into a high-speed mixer for blending for 10-20min to obtain a mixture;
s4, putting the carbon nano tube, the lauric acid diethanolamide particles, the octadecyl dihydroxyethyl methyl ammonium bromide particles and the antistatic agent of the titanium oxide powder and the tin oxide powder in the step S2 in a weight ratio of 4:4:4:1:1 into a high-speed mixer, and blending for 10-20min to obtain a mixture;
s5, putting the mixture obtained in the step S3 and the mixture obtained in the step S4 into a double-screw extruder for extrusion granulation;
s6, naturally cooling the particles produced in the step S5 to obtain the antistatic PC/ABS modified material.
8. The preparation method of the antistatic PC/ABS modified material as claimed in claim 7, wherein the preparation method comprises the following steps: the ratio of the long diameter of the screw of the double-screw extruder is 40-45:1, the temperature of the screw cylinder is 250-260 ℃, and the rotating speed of the screw is 400-500 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283751.4A CN111410834A (en) | 2020-04-13 | 2020-04-13 | Antistatic PC/ABS modified material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283751.4A CN111410834A (en) | 2020-04-13 | 2020-04-13 | Antistatic PC/ABS modified material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185784A (en) * | 2021-04-26 | 2021-07-30 | 上海方乾科技有限公司 | Antistatic PS modified material and preparation method thereof |
| CN115703924A (en) * | 2021-08-06 | 2023-02-17 | 汉达精密电子(昆山)有限公司 | High-impact-resistance conductive PC/ABS composite material |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185784A (en) * | 2021-04-26 | 2021-07-30 | 上海方乾科技有限公司 | Antistatic PS modified material and preparation method thereof |
| CN115703924A (en) * | 2021-08-06 | 2023-02-17 | 汉达精密电子(昆山)有限公司 | High-impact-resistance conductive PC/ABS composite material |
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