CN106188829A - A kind of polypropylene antistatic thin film of carbon nano-tube modification - Google Patents
A kind of polypropylene antistatic thin film of carbon nano-tube modification Download PDFInfo
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- CN106188829A CN106188829A CN201610528349.1A CN201610528349A CN106188829A CN 106188829 A CN106188829 A CN 106188829A CN 201610528349 A CN201610528349 A CN 201610528349A CN 106188829 A CN106188829 A CN 106188829A
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- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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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
Abstract
The invention discloses the polypropylene antistatic thin film of a kind of carbon nano-tube modification, the polypropylene antistatic thin film of described carbon nano-tube modification prepares by the following method: CNT is carried out high-speed stirred, dispersant is dissolved in liquid in the carbon nanotube dust being sprayed in stirring by the way of spraying simultaneously, carbon nano tube surface is activated, the Activated Carbon Nanotubes obtained adds to PP material matrix as conductive filler, thus prepare the PP/ carbon nanotube conducting master batch that electric conductivity is good, then by PP/ carbon nanotube conducting master batch and PP matrix resin and thermal oxidation stabilizer, flow ability modifying agent, the auxiliary agents such as antifriction liniment mix, by blowing, curtain coating or stretch processes prepare polypropylene antistatic thin film.Polypropylene antistatic Thin film conductive performance prepared by the present invention is good, and antistatic persistency is strong, and service life is long.
Description
One, technical field
The present invention relates to the polypropylene antistatic thin film of a kind of carbon nano-tube modification.
Two, background technology
Polypropylene (PP) is as one of five big general-purpose plastics, its abundant raw material source, low price, easily processed into type,
Mechanical property, heat resistance, high comprehensive performance, and nontoxic, be easily recycled, therefore its thin film and film article are in a lot of fields
All it is used widely.Because polypropylene molecule is nonpolar, electrical insulating property is the highest, and its surface resistivity is 1016～1017
Ω, specific insulation 1016～1018Ω·cm.So, comparatively speaking, polypropylene is than being easier to produce in macromolecule polymer material
Raw static charge accumulation.And once creating accumulation of static electricity, its harm should not be underestimated.This can cause at polypropylene film raw
Produce or in the course of processing, because the reasons such as friction make electrostatic on film strip be difficult to be disappeared by conduction, to the production of thin film, add
Work, application bring problem.
First Anti-static PP thin film is applied in fields such as powder packaging, packaging for foodstuff, candy wrappings, because quiet
The reason that electrodeposition is poly-, can cause the dust in PP thin film son's wife's air or other booties, not only have influence on the attractive in appearance of film surface,
And Electrostatic Absorption the most also can occur, impact is normal to be used.In recent years, Anti-static PP thin film and goods you at machine
Field such as electricity product, instrument and meter parts, electronic devices and components, large scale integrated circuit, wiring board etc. develops rapidly, demand and making
Consumption increases sharply.Therefore, the most more need the eliminostatic on polypropylene film surface by corresponding method, with satisfied production
The demand of life.
PP antistatic film mainly includes applying antistatic additive to prepare PP antistatic film, use conductivity type filler to produce PP
Antistatic plastic film, employing coating material production PP antistatic film etc..
Wherein, conductivity type filler is used to be possible not only to produce PP antistatic plastic thin film, and due to its antistatic behaviour base
In the electric conductivity of filler, persistency is good compared with surfactant type PP antistatic film, and antistatic behaviour is by the shadow of ambient humidity
Ring little.
In numerous conductivity type fillers, CNT has good electric conductivity, has again bigger draw ratio simultaneously, because of
And it is well suited for making conductive filler, relative to other metallic particles and graphite granule, its little consumption just can form conductive net,
And its density is more much smaller than metallic particles, it is difficult to the coagulation because of the effect of gravity.These characteristics utilizing CNT are made
Join in plastics for conducting medium, the electric conductivity of plastics can be produced strong impact.At present, CNT is at PP antistatic material
Applied research in material mainly by changing structure and the content of CNT, improves CNT dispersibility in PP,
And CNT is carried out surface process and equalize electric conductivity and other properties of PP anti-static material.
Three, summary of the invention
The invention provides the polypropylene antistatic thin film of a kind of carbon nano-tube modification, the preprocessed modification of CNT
After, add to PP material matrix as conductive filler, thus it is female to prepare the good PP/ carbon nanotube conducting of electric conductivity
Grain, then utilizes PP/ carbon nanotube conducting master batch to prepare polypropylene antistatic thin film.
The technical solution used in the present invention is:
A kind of polypropylene antistatic thin film of carbon nano-tube modification, the polypropylene antistatic thin film of described carbon nano-tube modification
Prepare by the following method:
(1) dispersant A is dissolved in solvent, obtains dispersant solution, then by dispersant solution by high-pressure spraying method
Spray in the CNT of high-speed stirred, after high-speed stirred mixing, prepare Activated Carbon Nanotubes；
(2) Activated Carbon Nanotubes and PP polymeric matrix material A stirring and evenly mixing, then mix with auxiliary agent A, squeezes through twin screw
Go out machine to melt extrude pelletize and prepare PP/ carbon nanotube conducting master batch；
Described PP polymeric matrix material A, Activated Carbon Nanotubes, the mass fraction of auxiliary agent A be 70～95 mass parts, 5～
30 mass parts, 0.1～20 mass parts；It is preferably 70～90 mass parts, 10～30 mass parts, 0.2～20 mass parts；
Described auxiliary agent A is one or more the mixing in dispersant B, coupling agent, antioxidant, lubricant；Preferably
Described auxiliary agent A is one or more mixing with dispersant B in coupling agent, antioxidant, lubricant, more preferably auxiliary agent A
For one or both in coupling agent, antioxidant and dispersant B, the mixing of lubricant.
Further, in preferred steps (2), the formula of raw material is: PP polymeric matrix material A, Activated Carbon Nanotubes, dispersion
Agent B, coupling agent, antioxidant, the mass fraction of lubricant be 70～90 mass parts, 10～30 mass parts, 0.1～10 mass parts,
0.01～5 mass parts, 0.01～2 mass parts, 0.01～10 mass parts, wherein dispersant B, coupling agent, antioxidant, lubricant
Total mass fraction is 0.2～20 mass parts.
Further, in preferred steps (2), the formula of raw material is: PP polymeric matrix material A, Activated Carbon Nanotubes, point
Powder B, coupling agent, antioxidant, the mass fraction of lubricant be 70～90 mass parts, 10～30 mass parts, 1～8 mass parts,
0.01～3 mass parts, 0.01～2 mass parts, 0.01～3 mass parts.
(3) PP/ carbon nanotube conducting master batch mixes with PP polymeric matrix material B, auxiliary agent B, by blowing, curtain coating or double
The polypropylene antistatic thin film of carbon nano-tube modification is prepared to drawing process
Based on described PP polymeric matrix material B, PP/ carbon nanotube conducting master batch and auxiliary agent B, PP/ CNT is led
The mass percent of the CNT contained in goddess of lightning's grain is 0.01～10%, and the mass percent of auxiliary agent B is 0.5～15%,
Surplus is PP matrix；Described PP matrix includes the PP contained in PP/ carbon nanotube conducting master batch and the PP polymerization being newly added
Thing matrix material B.
Further, based on described PP polymeric matrix material B, PP/ carbon nanotube conducting master batch and auxiliary agent B, PP/ carbon is received
The mass percent of the CNT contained in mitron conductive agglomerate is 1～10%, the mass percent of auxiliary agent B be 0.5～
15%, surplus is PP matrix；
Described auxiliary agent B is one or more the mixing in thermal oxidation stabilizer, flow ability modifying agent, antifriction liniment；Excellent
Selecting described auxiliary agent B is one or both mixing with flow ability modifying agent in thermal oxidation stabilizer, antifriction liniment.
Further, described auxiliary agent is thermal oxidation stabilizer, flow ability modifying agent, antifriction liniment, the percent mass of described raw material
Than being respectively: the CNT 2～8% contained in PP/ carbon nanotube conducting master batch, thermal oxidation stabilizer 0.1～2%, flowing changes
Property agent 0.5～10%, antifriction liniment 0.5～3%, surplus is PP.
In described method, dispersant A and dispersant B are for distinguishing the dispersant used in different step, and A, B do not have
Chemical sense.
PP polymeric matrix material A and B are for distinguishing the PP polymeric matrix material used in different step, and A, B are not
There is chemical sense.
Described dispersant A and dispersant B each stand alone as dodecylbenzene sodium sulfonate, polyvinylpyrrolidone, polyethylene
Alcohol, xanthan gum, sodium lauryl sulphate, Triton X-100, sodium carboxymethyl cellulose, Dihexadecylphosphate, Ah
Draw primary glue, cetyl trimethylammonium bromide, alkyl phenol ethylene oxide condensation substance emulsifying agent, cetyl trimethyl sodium bromide,
One or more mixture in Kynoar.
In described step (1), described solvent is water, DMF, N-Methyl pyrrolidone, n-butyl alcohol, chlorine
One or more mixture in imitative, dehydrated alcohol, acetone, petroleum ether, ethyl acetate, butyl acetate；
In described step (1), described CNT, dispersant A, the mass fraction ratio of solvent are 85～95:0.1～5:5
～10.
Described CNT is one or both the mixture in multi-walled carbon nano-tubes, SWCN, the most
Wall carbon nano tube.
Described PP polymeric matrix material A or B each stand alone as particle or pulverulent material, and PP polymer powdery is preferably used
Material, mean diameter be 0.5 μm to 5mm, the melt index of preferably PP polymeric matrix material A or B is 2-100g/10min, excellent
Select 10-30g/10min, beneficially CNT dispersion in PP matrix.
In described step (2), described coupling agent be in titante coupling agent, silane coupling agent one or both with
On mixture；Described titante coupling agent can be isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, isopropyl
Three (dioctyl phosphoric acid acyloxy) titanate esters, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters, single alcoxyl
One or more mixed in base unsaturated fatty acid titanate esters or Di(dioctylpyrophosphato) ethylene titanate
Compound；Described silane coupler can use KH550, one or both in KH560, KH570, KH792, DL602, DL171
Above mixture；
Described antioxidant is preferably 1098,168,1010,1076, DLTP, one or more in MB, 164,264
Mixture.
Described lubricant is preferably PE wax, montanin wax, silicone powder, stearic acid, oleic acid, calcium stearate, the double stearic acid of ethylene
One or more mixture in amide, erucyl amide.
In described step (2), the processing technique of described double screw extruder is screw speed 100～1000r/min, extrusion
Temperature is 180-250 DEG C.
In described step (2), double screw extruder melt extrudes pelletize, and pelletize mode has multiple, and optional water cooling bracing is cut
Grain, air-cooled tie rod pelletizing, die face are earnestly, cut under water.The method being well known to those skilled in the art.
In described step (1), described high-pressure spraying method is that dispersant solution passes through the high-pressure spray device shape with spraying
Formula sprays into the CNT of high-speed stirred, and described high-pressure spray device can use high-pressure spraying machine, will dispersion by high-pressure hydraulic pump
Agent solution becomes spray form to spray in material through high-pressure nozzle.Described high-pressure spraying machine still belongs to the first time for CNT pretreatment.
Dispersant solution is atomized by high-pressure spraying method, obtains a large amount of fine droplet after atomization, significantly increases solution and CNT
Contact area, beneficially carbon nanotube particulate are coated with by auxiliary agent, strengthen its dispersibility.
In described high-pressure spraying method, spray rate is generally 10～100ml/min；
Atomized particle size is 0.1～1um
In described step (1), the rotating speed of described high-speed stirred is 300～1500 turns/min.
The time of described high-speed stirred mixing is generally 0～1 hour, preferably 5～40 minutes.
In described step (3), thermal oxidation stabilizer is preferably 1098,168,1010,1076, DLTP, in MB, 164,264
One or more mixture.
It is described that to prepare flow ability modifying agent used during thin film be fatty acid, aliphatic amide type and ester lubricant, stone
One or more mixing in wax series lubricant agent, metallic soap salt lubricant, low-molecular-weight wax, further, described flowing changes
In property agent preferred PE wax, montanin wax, silicone powder, stearic acid, oleic acid, calcium stearate, ethylene bis stearic acid amide, erucyl amide
One or more mixture.
Described antifriction liniment is preferably nano inorganic implant or nano plastic micropowder, and described nano inorganic implant is usual
For nano-calcium carbonate, nanometer calcium silicates, nano silicon, nanoclay etc..
The present invention carries out high-speed stirred to CNT, to its surface pretreatment, simultaneously by dispersant, surface activity
The auxiliary agents such as agent are dissolved in liquid in the carbon nanotube dust being sprayed in stirring by the way of spraying so that CNT table
Face activation, simultaneously by the material uniform wet such as dispersant, surfactant, causes to be formed between CNT and repels, and can be same
The bulk density of Shi Tigao CNT, to obtain optimal dispersion effect and good processability.
The CNT of this project innovation, after pretreatment modification, adds to PP material matrix as conductive filler
In, prepare high efficiency dispersion PP/ carbon nanotube conducting master batch, then according to product properties requirement, by its according to different ratio with
The auxiliary agents such as PP matrix resin and thermal oxidation stabilizer, flow ability modifying agent, antifriction liniment mix, by blowing, curtain coating or two-way
Drawing process prepares the PP antistatic film of different performance.Compared with traditional PP antistatic film, owing to reaching to lead equally
During electrical property, the addition of CNT is well below the addition of other conductive fillers, hence in so that this antistatic film is
Maintain original performance of PP matrix resin in big degree, improve antistatic persistency and the service life of thin film.
Polypropylene antistatic thin film prepared by the present invention, outward appearance: uniform color, without stain, corrugationless, surface without projection,
Without broken hole, without vestige；Excellent mechanical: hot strength: >=20MPA, elongation at break: >=150%, surface resistivity
(Ω): 106～109(content of carbon nanotubes=3wt.%).
Four, detailed description of the invention
With specific embodiment, technical scheme is described further below, but the protection content of the present invention is not
It is limited to this.
Embodiment 1～16
According to the form below 1 takes each raw material, is dissolved in solvent by dispersant, obtains dispersant solution, is then led to by dispersant solution
Cross high pressure spray process and spray into the CNT (diameter 1～30nm, length 1～100 μm, bulk density 0.02g/mL) of high-speed stirred
In, technological parameter is as shown in table 1, after high-speed stirred mixing, prepares Activated Carbon Nanotubes；
Table 1
The performance test results such as table 2 below of the Activated Carbon Nanotubes prepared
Table 2
Described dispersibility experiment detection by the following method: Activated Carbon Nanotubes 10mg embodiment 1～16 prepared is respectively
Add 10mL and prepare in the solvent (seeing table 1) used by this Activated Carbon Nanotubes, ultrasonic disperse 30 minutes, obtain suspension, quiet
Putting, when occurring substantially being layered, the record time is the holding time, and acquired results refers to table 2.Holding time is the longest, shows that it disperses
Property is the best.The most pretreated CNT cannot form stable suspension.
Above-mentioned test result indicate that, after pretreatment, the bulk density of CNT improve about 10 times (untreated
The bulk density of CNT is about 0.02g/mL), dispersibility is all significantly increased.
Embodiment 17～32
Activated Carbon Nanotubes prepared by embodiment 1～16 and PP polymer pulverulent material (mean diameter 100 μm～2mm)
Stirring and evenly mixing, consumption is shown in Table 3, and then the auxiliary agent with table 4 mixes, and melt extrudes through double screw extruder, stretches, cooling and dicing system
Obtain PP/ carbon nanotube conducting master batch；The processing technique of double screw extruder is screw speed 200r/min, and extrusion temperature is 180
℃。
The content of carbon nanotubes of the PP/ carbon nanotube conducting master batch prepared is as shown in table 5.
The PP/ carbon nanotube conducting master batch of preparation is mixed with PP base material and each analog assistant according to the formula of table 5, through blowing
Machine blowing prepares antistatic film, according to " GB/T1410-2006 solid insulating material specific insulation and surface resistivity test
Method " surface resistivity of testing film, and detect its physical property, result is as shown in table 6.
Table 3
Table 4
Table 5
Table 6
Embodiment data show, the surface resistivity of antistatic film prepared by conductive agglomerate prepared by the present invention is preferable,
In the case of about content of carbon nanotubes 3wt.%, surface resistivity is 106～109About Ω, antistatic property is good.And
And excellent mechanical, hot strength: >=20MPA, elongation at break: >=150%.
Claims (10)
1. the polypropylene antistatic thin film of a carbon nano-tube modification, it is characterised in that the polypropylene of described carbon nano-tube modification resists
Electrostatic film prepares by the following method:
(1) dispersant A is dissolved in solvent, obtains dispersant solution, then dispersant solution is sprayed into by high-pressure spraying method
In the CNT of high-speed stirred, after high-speed stirred mixing, prepare Activated Carbon Nanotubes；
Described CNT, dispersant A, the mass fraction ratio of solvent are 85～95:0.1～5:5～10；
(2) Activated Carbon Nanotubes and PP polymeric matrix material A stirring and evenly mixing, then mix with auxiliary agent A, through double screw extruder
Melt extrude pelletize and prepare PP/ carbon nanotube conducting master batch；
Described PP polymeric matrix material A, Activated Carbon Nanotubes, the mass fraction of auxiliary agent A are 70～95 mass parts, 5～30 matter
Amount part, 0.1～20 mass parts；
Described auxiliary agent A is one or more the mixing in dispersant B, coupling agent, antioxidant, lubricant；
(3) PP/ carbon nanotube conducting master batch mixes with PP polymeric matrix material B, auxiliary agent B, by blowing, curtain coating or two-way draw
Stretching process prepares the polypropylene antistatic thin film of carbon nano-tube modification
Based on described PP polymeric matrix material B, PP/ carbon nanotube conducting master batch and auxiliary agent B, PP/ carbon nanotube conducting is female
The mass percent of the CNT contained in Li is 0.01～10%, and the mass percent of auxiliary agent B is 0.5～15%, surplus
It is PP matrix；Described PP matrix includes the PP contained in PP/ carbon nanotube conducting master batch and the PP polymer base being newly added
Body material B；
Described auxiliary agent B is one or more the mixing in thermal oxidation stabilizer, flow ability modifying agent, antifriction liniment.
2. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described dispersant A and
Dispersant B each stands alone as dodecylbenzene sodium sulfonate, polyvinylpyrrolidone, polyvinyl alcohol, xanthan gum, lauryl sulphate acid
Sodium, Triton X-100, sodium carboxymethyl cellulose, Dihexadecylphosphate, arabic gum, cetyl trimethyl bromine
Change in ammonium, alkyl phenol ethylene oxide condensation substance emulsifying agent, cetyl trimethyl sodium bromide, Kynoar one or both
Above mixture.
3. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that in described step (2)
The formula of raw material is: PP polymeric matrix material A, Activated Carbon Nanotubes, dispersant B, coupling agent, antioxidant, the matter of lubricant
Amount number be 70～90 mass parts, 10～30 mass parts, 0.1～10 mass parts, 0.01～5 mass parts, 0.01～2 mass parts,
0.01～10 mass parts, wherein dispersant B, coupling agent, antioxidant, total mass fraction of lubricant are 0.2～20 mass parts.
4. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described step (3)
In, described auxiliary agent is thermal oxidation stabilizer, flow ability modifying agent, antifriction liniment, and the mass percent of described raw material is respectively: PP/ carbon
The CNT 2～8% contained in nanotube conductive master batch, thermal oxidation stabilizer 0.1～2%, flow ability modifying agent 0.5～10%,
Antifriction liniment 0.5～3%, surplus is PP.
5. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described step (1)
In, described solvent is water, DMF, N-Methyl pyrrolidone, n-butyl alcohol, chloroform, dehydrated alcohol, acetone, stone
One or more mixture in oil ether, ethyl acetate, butyl acetate.
6. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described step (2)
In, described coupling agent is one or more the mixture in titante coupling agent, silane coupling agent；Described antioxygen
Agent is 1098,168,1010,1076, DLTP, one or more mixture in MB, 164,264；Described lubricant is
One in PE wax, montanin wax, silicone powder, stearic acid, oleic acid, calcium stearate, ethylene bis stearic acid amide, erucyl amide or two
Plant above mixture.
7. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described step (3)
In, described thermal oxidation stabilizer is 1098,168,1010,1076, DLTP, one or more mixing in MB, 164,264
Thing.
8. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described step (3)
In, described flow ability modifying agent is fatty acid, aliphatic amide type and ester lubricant, paraffin class lubricant, metallic soap salt profit
One or more mixing in lubrication prescription, low-molecular-weight wax.
9. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 8, it is characterised in that described step (3)
In, described flow ability modifying agent be PE wax, montanin wax, silicone powder, stearic acid, oleic acid, calcium stearate, ethylene bis stearic acid amide,
One or more mixture in erucyl amide.
10. the polypropylene antistatic thin film of carbon nano-tube modification as claimed in claim 1, it is characterised in that described step (3)
In, described antifriction liniment is nano inorganic implant or nano plastic micropowder.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110066455A (en) * | 2018-01-23 | 2019-07-30 | 合肥杰事杰新材料股份有限公司 | A kind of abrasion performance antistatic polypropylene material and preparation method thereof |
| CN110066455B (en) * | 2018-01-23 | 2022-04-05 | 合肥杰事杰新材料股份有限公司 | Abrasion-resistant antistatic polypropylene material and preparation method thereof |
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