CN107474352A - Film anti-static polyolefin composition and preparation method thereof - Google Patents
Film anti-static polyolefin composition 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to a kind of film anti-static polyolefin composition and preparation method thereof, belong to plastic sheeting technical field.Described film anti-static polyolefin composition, is made up of the raw material of following mass fraction：40 parts of conductive carbon black, 10 20 parts of Polymer Antistatic Agent, 5 10 parts of compatilizer, 30 45 parts of vector resin, 680 1250 parts of film resin；Described preparation method is that conductive carbon black is stirred and heated first, heated after Polymer Antistatic Agent is mixed with compatilizer again, then the Polymer Antistatic Agent mixed is added in conductive carbon black with compatilizer and continues to stir, stands, extruding pelletization obtains masterbatch after banburying, then masterbatch is mixed with film resin and carries out extruding pelletization, obtain film anti-static polyolefin composition.The present invention solves the problems, such as, using existing antistatic property is lost after prior art progress film forming and the mechanics of material, processing characteristics decline, have excellent antistatic property, mechanical property and processing characteristics will not lossy feature.
Description
Technical field
The present invention relates to a kind of film anti-static polyolefin composition and preparation method thereof, belongs to plastic sheeting technology neck
Domain.
Background technology
Polyethylene has excellent mechanical property, chemical stability, electrical insulating property, processing characteristics and high due to it
Cost performance, application is extremely wide, but due to the excellent insulating properties of polyethylene, so after because being charged by friction, is not easy to eliminate, from
And electrostatic is produced, dust suction, electric shock can be caused, or even produce spark and explode.In order to avoid such accident, moulded in some occasions
The use of material products must do antistatic treatment.
The antistatic modified method of traditional polyethylene mainly adds antistatic additive or conductive carbon black, and adds antistatic additive only
It can be that the specific insulation of material is declined into 104 Ω or so, but have considerable influence to the mechanical property of material；Add conductive carbon
The black surface resistivity that can make material drops to 103 Ω, but to add more conductive filler, can be to the mechanics of matrix material
Performance, processing characteristics have a negative impact.
CN20130655948 discloses a kind of processing method of ultrahigh molecular weight polyethylene tubing, mainly to superelevation point
It is smooth that 2-4% carbon blacks, 1-1.5% antistatic additive, 1-2% graphite, 1-2% ethylene glycol coconut, 1-2% are added in sub- weight northylen
Agent, its antistatic effect are limited.
CN 200610040792 discloses a kind of anti-static flame-retarding polyethylene composition and preparation method thereof, wherein conductive
The content of carbon black is up to 10-19%, and conductive carbon black content is higher, on material mechanical performance, processing characteristics influence will be bigger.
Therefore, on the premise of it can ensure material mechanical performance, processing characteristics, it is necessary to film with antistatic material
Studied.
The content of the invention
It is an object of the invention to provide a kind of film anti-static polyolefin composition, solves using existing antistatic skill
Existing film antistatic property loses the problem of declining with the mechanical property of material, processing characteristics after art carries out film forming, has
Antistatic property is excellent, the mechanical property of film and processing characteristics will not lossy feature；Present invention simultaneously provides its preparation
Method.
Film of the present invention anti-static polyolefin composition, is made up of the raw material of following mass fraction：
Wherein：
The average grain diameter 10-50nm of described conductive carbon black, oil factor ＞ 200mL/100g, ash content ＜ 1.0%.
Described Polymer Antistatic Agent is the one or more in ethoxylated amine, diethanol amine, fatty acid ester.Its
In, the preferred polyalkylene glycol acrylate ester of fatty acid ester.
Described compatilizer is polyethylene glycol monobutyl ether.
Described vector resin is 11g/10min, density 0.945g/cm from 21.6kg melt mass flow rates3
Resin, other application occasion can be according to the resin for being actually needed other preferred performance parameters.
Described film resin is polyvinyl resin.
The film of the present invention preparation method of anti-static polyolefin composition, comprises the following steps：
(1) conductive carbon black is placed in homogenizer and stirs and heat；
(2) Polymer Antistatic Agent is heated after stirrer for mixing with compatilizer；
(3) Polymer Antistatic Agent mixed is added to compatilizer and just continued in the conductive carbon black of thermal agitation
It is stirred, vector resin is added after standing, extruding pelletization is carried out after banburying or directly carries out extruding pelletization, is obtained antistatic
Masterbatch；
(4) extruding pelletization is carried out after antistatic master batch is mixed with film resin, obtains film anti-static polyolefin group
Compound.
Wherein：
Heating-up temperature is 60-100 DEG C in step (1)；Heating-up temperature is 40-70 DEG C in step (2).
The Polymer Antistatic Agent mixed and compatilizer are added to just in the conductive carbon black of thermal agitation in step (3)
In continue stir 5-10min；Time of repose is 1-2h；2-5min is stirred after adding vector resin.
Extrusion temperature is 100-180 DEG C in step (3).
The auxiliary agents such as appropriate antioxidant, lubricant, ultra-violet absorber, processing aid can be added in the formula of the present invention,
The effect of the present invention is not influenceed.
Beneficial effects of the present invention are as follows：
The film of the present invention is excellent with the antistatic property of anti-static polyolefin composition, applied to the mechanical property after film
Can there will not be loss with processing characteristics, can be added to as antistatic modified material in various resins, can effectively reduce conduction
The addition of filler, improve the electric conductivity of resin.
Embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
Film anti-static polyolefin composition, is made up of the raw material of following mass fraction：
Wherein：
Conductive carbon black is commercially available prod, average grain diameter 25nm, oil factor 260mL/100g, ash content 0.62%.
Polymer Antistatic Agent is commercially available polyalkylene glycol acrylate ester.
Compatilizer is commercially available poly glycol monomethyl ether, number-average molecular weight 2000.
Vector resin is 11g/10min, density 0.945g/cm from 21.6kg melt mass flow rates3Resin.
Polyvinyl resin is 2g/10min, density 0.920g/cm from 2.16kg melt mass flow rates3Tree
Fat.
The film preparation method of anti-static polyolefin composition, comprises the following steps：
(1) conductive carbon black is placed in homogenizer and stirred, and be heated to 60-100 DEG C；
(2) polyalkylene glycol acrylate and poly glycol monomethyl ether are heated to 40-70 DEG C after stirrer for mixing；
(3) polyalkylene glycol acrylate mixed and poly glycol monomethyl ether are added to just in the conductive carbon black of thermal agitation
In, continue to stir 5-10min at 60-100 DEG C, add vector resin stirring 2-5min after standing 1-2h, then add heating
The banburying 10min into 160 DEG C of banburies, extruding pelletization being carried out by single screw extrusion machine, extruder temperature is 120-160 DEG C,
Obtain antistatic master batch；
(4) quiet masterbatch will be resisted to be mixed with polyvinyl resin, extruding pelletization is carried out by double screw extruder, and obtain film use
Anti-static polyolefin composition.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 1, and Testing index is as follows：
Film resistance to tearing energy：Tested according to GB/T11999-1989, using rectangular specimen；
Film shock resistance：Tested according to GB/T9639-1988, test method is free dart method；
Surface resistivity：Tested according to GB/T1414.
Embodiment 2
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that polyethylene tree in raw material
The mass fraction of fat is 885 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 1, and Testing index is the same as embodiment 1.
Embodiment 3
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that polyethylene tree in raw material
The mass fraction of fat is 680 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 1, and Testing index is the same as embodiment 1.
Embodiment 4
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that：Acrylic acid gathers in raw material
The mass fraction of glycol ester is 20 parts, and the mass fraction of poly glycol monomethyl ether is 10 parts, and the mass fraction of vector resin is
45 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 1, and Testing index is the same as embodiment 1.
Embodiment 5
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that：Acrylic acid gathers in raw material
The mass fraction of glycol ester is 20 parts, and the mass fraction of poly glycol monomethyl ether is 10 parts, and the mass fraction of vector resin is
45 parts, the mass fraction of polyvinyl resin is 915 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 1, and Testing index is the same as embodiment 1.
Embodiment 6
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that：Acrylic acid gathers in raw material
The mass fraction of glycol ester is 20 parts, and the mass fraction of poly glycol monomethyl ether is 10 parts, and the mass fraction of vector resin is
45 parts, the mass fraction of polyvinyl resin is 680 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 1, and Testing index is the same as embodiment 1.
Embodiment 7
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that the polyethylene in raw material
Resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 2, and Testing index is the same as embodiment 1.
Embodiment 8
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that the polyethylene in raw material
Resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin, its mass fraction is
915 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 2, and Testing index is the same as embodiment 1.
Embodiment 9
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that the polyethylene in raw material
Resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin, its mass fraction is
685 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 2, and Testing index is the same as embodiment 1.
Embodiment 10
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that：Acrylic acid gathers in raw material
The mass fraction of glycol ester is 20 parts, and the mass fraction of poly glycol monomethyl ether is 10 parts, and the mass fraction of vector resin is
45 parts, polyvinyl resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin,
Its mass fraction is 1220 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 2, and Testing index is the same as embodiment 1.
Embodiment 11
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that：Acrylic acid gathers in raw material
The mass fraction of glycol ester is 20 parts, and the mass fraction of poly glycol monomethyl ether is 10 parts, and the mass fraction of vector resin is
45 parts, polyvinyl resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin,
Its mass fraction is 915 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 2, and Testing index is the same as embodiment 1.
Embodiment 12
The film of the present embodiment with anti-static polyolefin composition with embodiment 1, except that：Acrylic acid gathers in raw material
The mass fraction of glycol ester is 20 parts, and the mass fraction of poly glycol monomethyl ether is 10 parts, and the mass fraction of vector resin is
45 parts, polyvinyl resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin,
Its mass fraction is 715 parts.
It is 30 μm that the film that the present embodiment obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 2, and Testing index is the same as embodiment 1.
The embodiment 1-6 testing results of table 1
The embodiment 7-12 testing results of table 2
Comparative example 1
The film of this comparative example with anti-static polyolefin composition with embodiment 1, except that：Polyethylene in raw material
Resin is 2g/10min, density 0.920g/cm from 2.16kg melt mass flow rates3Resin, its mass fraction is
1400 parts.
It is 30 μm that the film that this comparative example obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 3, and Testing index is the same as embodiment 1.
Comparative example 2
The film of this comparative example with anti-static polyolefin composition with embodiment 1, except that：Polyethylene in raw material
Resin is 2g/10min, density 0.920g/cm from 2.16kg melt mass flow rates3Resin, its mass fraction is
600 parts.
It is 30 μm that the film that this comparative example obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 3, and Testing index is the same as embodiment 1.
Comparative example 3
The film of this comparative example with anti-static polyolefin composition with embodiment 1, except that：Polyethylene in raw material
Resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin, its mass fraction is
1400 parts.
It is 30 μm that the film that this comparative example obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 3, and Testing index is the same as embodiment 1.
Comparative example 4
The film of this comparative example with anti-static polyolefin composition with embodiment 1, except that：Polyethylene in raw material
Resin is 10g/10min, density 0.950g/cm from 21.6kg melt mass flow rates3Resin, its mass fraction is
600 parts.
It is 30 μm that the film that this comparative example obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 3, and Testing index is the same as embodiment 1.
Comparative example 5
The film of this comparative example with anti-static polyolefin composition with embodiment 1, except that：
(1) mass fraction of conductive carbon black is 0.65 part in raw material, and the mass fraction of polyalkylene glycol acrylate ester is 0.24
Part, the mass fraction of poly glycol monomethyl ether is 0.11 part, and the mass fraction of vector resin is 0 part；
(2) directly by conductive carbon black, polyalkylene glycol acrylate ester, poly glycol monomethyl ether and polyethylene tree in preparation method
Fat mixes, and carries out extruding pelletization by double screw extruder, obtains film anti-static polyolefin composition.
It is 30 μm that the film that this comparative example obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 3, and Testing index is the same as embodiment 1.
Comparative example 6
The film of this comparative example with anti-static polyolefin composition with embodiment 1, except that：
(1) mass fraction of conductive carbon black is 0.65 part in raw material, and the mass fraction of polyalkylene glycol acrylate ester is 0.24
Part, the mass fraction of poly glycol monomethyl ether is 0.11 part, and the mass fraction of vector resin is 0 part, and polyvinyl resin is selected
21.6kg melt mass flow rates are 10g/10min, density 0.950g/cm3Resin, its mass fraction be 1250 parts.
(2) directly by conductive carbon black, polyalkylene glycol acrylate ester, poly glycol monomethyl ether and polyethylene tree in preparation method
Fat mixes, and carries out extruding pelletization by double screw extruder, obtains film anti-static polyolefin composition.
It is 30 μm that the film that this comparative example obtains is blow molded into thickness on inflation film manufacturing machine with anti-static polyolefin composition
Film is detected, and testing result is shown in Table 3, and Testing index is the same as embodiment 1.
The comparative example 1-6 testing results of table 3
From table 1-3：
(1) effect that directly addition each group is assigned in film resin is then added to first preparing antistatic master batch in the present invention
The effect of film resin is compared, and material property has larger reduction；
(2) individually addition conductive material when, it is necessary to addition it is larger：The conductive carbon black of addition 10%, the surface of material
Resistivity is 104Ω；
(3) antistatic master batch can effectively improve the electric conductivity of material, i.e., can effectively reduce the surface resistivity of material,
In the present invention during conductive carbon black of addition 5%, the surface resistivity of its material can reach 104 Ω, and can be good at keeping
The mechanical property of material；
(4) effect and unobvious for the reduction surface resistivity that additional conductive material is played individually are added.
Claims (10)
- A kind of 1. film anti-static polyolefin composition, it is characterised in that：It is made up of the raw material of following mass fraction：
- 2. film according to claim 1 anti-static polyolefin composition, it is characterised in that：The average grain of conductive carbon black Footpath 10-50nm, oil factor ＞ 200mL/100g, ash content ＜ 1.0%.
- 3. film according to claim 1 anti-static polyolefin composition, it is characterised in that：Polymer Antistatic Agent For the one or more in ethoxylated amine, diethanol amine, fatty acid ester.
- 4. film according to claim 1 anti-static polyolefin composition, it is characterised in that：Compatilizer is polyethylene glycol Monobutyl ether.
- 5. film according to claim 1 anti-static polyolefin composition, it is characterised in that：Vector resin is selected 21.6kg melt mass flow rates are 11g/10min, density 0.945g/cm3Resin.
- 6. film according to claim 1 anti-static polyolefin composition, it is characterised in that：Film resin is polyethylene Resin.
- A kind of 7. preparation method of any described film anti-static polyolefin compositions of claim 1-6, it is characterised in that： Comprise the following steps：(1) conductive carbon black is placed in homogenizer and stirs and heat；(2) Polymer Antistatic Agent is heated after stirrer for mixing with compatilizer；(3) Polymer Antistatic Agent mixed is added to compatilizer and just continued in the conductive carbon black of thermal agitation Stir, vector resin is added after standing, extruding pelletization is carried out after banburying or directly carries out extruding pelletization, obtains masterbatch；(4) extruding pelletization is carried out after masterbatch is mixed with film resin, obtains film anti-static polyolefin composition.
- 8. the film according to claim 7 preparation method of anti-static polyolefin composition, it is characterised in that：Step (1) heating-up temperature is 60-100 DEG C in.
- 9. the film according to claim 7 preparation method of anti-static polyolefin composition, it is characterised in that：Step (2) heating-up temperature is 40-70 DEG C in.
- 10. the film according to claim 7 preparation method of anti-static polyolefin composition, it is characterised in that：Step (3) Polymer Antistatic Agent mixed and compatilizer are added in and just continue to stir 5- in the conductive carbon black of thermal agitation 10min, time of repose 1-2h, extrusion temperature are 100-180 DEG C.
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| CN106947139A (en) * | 2017-03-29 | 2017-07-14 | 昆山金盟塑料薄膜有限公司 | A kind of antistatic film and preparation method thereof |
| CN110054825A (en) * | 2019-04-30 | 2019-07-26 | 北京聚天骄新材料有限公司 | A kind of long-acting antistatic plastic master batch and preparation method thereof |
| CN117384442A (en) * | 2023-12-08 | 2024-01-12 | 山东宽力新材料有限公司 | Corona master batch composition and preparation method and application thereof |
| CN117384442B (en) * | 2023-12-08 | 2024-02-13 | 山东宽力新材料有限公司 | Corona master batch composition and preparation method and application thereof |
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