CN106243591A - A kind of polytetrafluoroethylproducts products and preparation method thereof - Google Patents
A kind of polytetrafluoroethylproducts products and preparation method thereof Download PDFInfo
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- CN106243591A CN106243591A CN201610773414.7A CN201610773414A CN106243591A CN 106243591 A CN106243591 A CN 106243591A CN 201610773414 A CN201610773414 A CN 201610773414A CN 106243591 A CN106243591 A CN 106243591A
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- poly
- polytetrafluoroethylproducts products
- antistatic
- conducting polymer
- antistatic additive
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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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
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of antistatic polytetrafluoroethylpiping goods and preparation method thereof, take politef powder 100 parts, antistatic additive 1～20 parts；Described antistatic additive is intrinsic conducting polymer material or its composite antistatic agent formed with white carbon black, graphite, the metal dust of conduction, and intrinsic conducting polymer shared weight ratio in composite antistatic agent is more than 1%.Modified polytetrafluoroethylproducts products has obvious antistatic behaviour, and mechanical strength is good, color will not deepen, character gentle, and application is the most extensive.
Description
Technical field
The present invention relates to chemical field, be specifically related to a kind of anlistatig polytetrafluoroethylproducts products and preparation side thereof
Method.
Background technology
Politef (hereinafter referred to as PTFE) is the full fluorine copolymer that tetrafluoroethene obtains through copolymerization, its strand
For-[CF2-CF2]-, the molecular weight of politef is high, degree of crystallinity is higher, unbranched in strand, the arrangement of carbon fluorine atom is non-
Often closely and the Z-shaped distortion of its atomic link, fluorine atom that main chain can play shielding action, carbon-fluorine bond chemistry bond energy is high, by
In its special construction and character, the hydrophobicity of politef, oleophobic property, fire resistance, chemical resistance, weatherability, Jie
The best, and there is relatively low coefficient of friction.Therefore, it has widely in fields such as electronics, chemical industry, machinery, aviations
Application, is often used as self-lubricating parts, corrosion-resistant heatproof backing material, packaging material, anti-stick coating etc..
Due to the electrical insulating property that polytetrafluoroethylmaterial material is excellent, non-conductive, so being easy to band when by outer friction
Electricity and produce electrostatic, when electrostatic reaches to a certain degree, electric spark can be caused even to set off an explosion or burn.It addition, plastic tape is quiet
Electric capacity easily makes its surface adsorption dust etc., as easy as rolling off a log pollution.In order to prevent these bad generations, it is necessary to manufacture
Polytetrafluoroethylproducts products carries out antistatic treatment so that form conductive path, the electrostatic charge of transmission loss accumulation between conducting particles.
The antistatic modified mode of goods includes that surface-coated or interior interpolation blending and modifying process.Change compared to surface-coated
The anlistatig technology of property, interior interpolation blending and modifying type antistatic additive has long-term antistatic protection effect.Inorganic filler due to
Its wide material sources, low cost, use simple, be the preferred material that preparation is blended anti-static product at present, such as add graphite, charcoal
The fillers such as black, Carbon fibe.Its shortcoming is that the color of goods is relatively deep, and owing to inorganic filler electrical conductivity is relatively low, with organic plastics
The compatibility of matrix is the most poor, will obtain relatively low surface resistivity, and the content of inorganic filler is the highest.Too high is inorganic
Filer content frequently can lead to the decline of the performances such as product material modulus, mechanical strength, relatively big for material property impact, limits
Range of application.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention provides a kind of antistatic polytetrafluoroethylpiping goods and preparation method thereof,
The method is easy and simple to handle, it is easy to large-scale production, and the polytetrafluoroethylproducts products obtained by the method has good antistatic
Performance and mechanical property, color and luster is moderate.
The present invention is achieved by the following technical solutions:
A kind of polytetrafluoroethylproducts products, it is characterised in that be mainly made up of the raw material of following weight portion: politef powder
100 parts, antistatic additive 1～20 parts；Described antistatic additive be intrinsic conducting polymer material or its with white carbon black, graphite, lead
The composite antistatic agent of the metal dust composition of electricity, intrinsic conducting polymer shared weight ratio in composite antistatic agent is more than
1%。
Preferably, described antistatic additive is 2 ~ 10 parts；It is furthermore preferred that described antistatic additive is 10 parts.
Preferably, described intrinsic conducting polymer includes polythiophene, polypyrrole, Polyaniline and its derivative；
It is further preferred that described polythiofuran derivative includes poly-3,4-ethylenedioxythiophene, alkyl replaces poly-3,4-
Ethylenedioxythiophene, poly-alkoxy thiophene, poly-alkylthrophene；
It is further preferred that described Polypyrrole derivatives includes poly-alkyl pyrroles, N-methylpyrrole-co-pyrrole copolymer；
It is further preferred that described polyaniline derivative includes poly-alkoxyl aniline, polyoxyethylene alkylphenyl amine, poly-halo aniline.
Preferably, the conductivity range of described polytetrafluoroethylproducts products is between 1 S/cm～1000 S/cm.
Preferably, described intrinsic conducting polymer material is solid grain, and particle diameter is 10 nm～10μ m。
Present invention also offers the preparation method of a kind of polytetrafluoroethylproducts products, it is characterised in that take polytetrafluoroethylene powder
Expecting 100 parts and put in container, being slowly added to antistatic additive dispersion liquid 1～20 parts, mix homogeneously, then by mix homogeneously
Mixed liquor, after drying, milled processed, obtains the politef powder through antistatic modified process；Described antistatic additive is
Intrinsic conducting polymer material or its composite antistatic agent formed with white carbon black, graphite, the metal dust of conduction, intrinsic conduction
Polymer shared weight ratio in composite antistatic agent is more than 1%；Described antistatic additive dispersion liquid is by composite antistatic agent originally
Levy conducting polymer and be dispersed in water or organic solvent formation.
Preferably, described intrinsic conducting polymer includes polythiophene, polypyrrole, Polyaniline and its derivative；
It is further preferred that described polythiofuran derivative includes poly-3,4-ethylenedioxythiophene, alkyl replaces poly-3,4-
Ethylenedioxythiophene, poly-alkoxy thiophene, poly-alkylthrophene；
It is further preferred that described Polypyrrole derivatives includes poly-alkyl pyrroles, N-methylpyrrole-co-pyrrole copolymer；
It is further preferred that described polyaniline derivative includes poly-alkoxyl aniline, polyoxyethylene alkylphenyl amine, poly-halo aniline.
Preferably, described intrinsic conducting polymer material is solid grain, and particle diameter is 10 nm～10μ m。
Preferably, described organic solvent be particle diameter be alcohol, ether, chloroform or oxolane.
Preferably, in described mixed process, auxiliary high speed shear, atomization or the form such as ultrasonic improve polytetrafluoroethyl-ne
Alkene powder and the blended effect of antistatic additive.
It is further preferred that described high speed shear refers to, first carry out shearing for the first time with the rotating speed of 500 ~ 2000rpm
10~30min；Then carry out second time with the rotating speed of 5000 ~ 10000rpm and shear 10～30min.
It is furthermore preferred that the rotating speed that described first time shears is 1000rpm, the time is 20min；The rotating speed that second time is sheared
For 7000rpm, the time is 20min.
It addition, the present invention also provides for a kind of polytetrafluoroethylproducts products that method prepared as above is prepared from, its feature exists
In, mainly it is made up of the raw material of following weight portion: politef powder 100 parts, antistatic additive 1～20 parts；Described anti-
Electrostatic agent is intrinsic conducting polymer material or its composite antistatic agent formed with white carbon black, graphite, the metal dust of conduction,
Intrinsic conducting polymer shared weight ratio in composite antistatic agent is more than 1%.
Preferably, the conductivity range of described polytetrafluoroethylproducts products is between 1 S/cm～1000 S/cm.
Preferably, described antistatic additive is 2 ~ 10 parts；Preferably, described antistatic additive is 10 parts.
Beneficial effect
Eigenstate conducting polymer antistatic additive is a class new anti-static agent of Recent study exploitation, eigenstate conducting polymer
Thing material is containing singly-bound alternately and double bond on a base polymer main chain, defines big conjugated pi system, the flowing of pi-electron
Create conduction.Nobel chemistry Prizes in 2000 authorize 3 scientists making outstanding contributions in this field.In recent years, this
Section have also been obtained and the most quickly develops, the organic conductive polymer material electric conductivity scope up to 1000 S/cm.Inorganic lead
Electricity filler graphite, the electrical conductivity of white carbon black etc. is typically at 10 S/cm or lower, thus has significantly raising.Less
Addition can play good antistatic additive effect, and the impact for matrix polytetrafluoroethylmaterial material performance also can phase
Should reduce.Organically conductive polymeric fillers is compared to inorganic conductive particles, has the more preferable compatibility with plastic substrate, and performance is more
Add excellence.It addition, the color of inorganic conductive filler is relatively deep, modified goods are affected by bigger.Eigenstate conducting polymer
Color the gentleest so that modified goods have the field that is more widely applied.
Detailed description of the invention
Embodiment 1:
100g suspension injecting tetrafluoroethylene powder is put in large beaker, is slowly added to poly-3,4 second of conducting polymer dispersion liquid 300g(
Thiazolinyl dioxy thiophene/polystyrolsulfon acid, 3.0wt%, electrical conductivity 120 S/cm).Mixed liquor is cooked shear treatment to improve mixing
Effect, before this 1000rpm down cut 20min, then at high-speed condition down cut, 7000rpm, 30min.After process
Mixed liquor, through drying, obtains the politef powder of the antistatic modified process of conducting polymer after milled processed.
Embodiment 2:
120g suspension injecting tetrafluoroethylene powder is put in large beaker, is slowly added to conducting polymer dispersion liquid 500g(polythiophene,
2.5wt%, electrical conductivity 100 S/cm).Mixed liquor is cooked shear treatment to improve mixed effect, 500rpm down cut before this
25min, then shears, 30min under the conditions of 7000rpm.Mixed liquor after process, through drying, is led after milled processed
The politef powder of the antistatic modified process of electric polymer.
Embodiment 3:
80g suspension injecting tetrafluoroethylene powder is put in large beaker, is slowly added to conducting polymer dispersion liquid 220g(polypyrrole,
3wt%, electrical conductivity 150 S/cm).Mixed liquor is cooked shear treatment to improve mixed effect, 1000rpm down cut before this
20min, then shears, 10min under the conditions of 8000rpm.Mixed liquor after process, through drying, is conducted electricity after milled processed
The politef powder of polymer anti static modification.
Above-described embodiment simply to illustrate that the technology design of the present invention and feature, its objective is to be to allow in this area
Those of ordinary skill will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All
It is the change according to the equivalence done by the essence of present invention or modification, all should contain within the scope of the present invention.
Claims (10)
1. a polytetrafluoroethylproducts products, it is characterised in that be mainly made up of the raw material of following weight portion: politef powder
100 parts, antistatic additive 1～20 parts；Described antistatic additive be intrinsic conducting polymer material or its with white carbon black, graphite, lead
The composite antistatic agent of the metal dust composition of electricity, intrinsic conducting polymer shared weight ratio in composite antistatic agent is more than
1%。
Polytetrafluoroethylproducts products the most according to claim 1, it is characterised in that the conductance of described polytetrafluoroethylproducts products
Rate scope is between 1 S/cm～1000 S/cm.
Polytetrafluoroethylproducts products the most according to claim 1 and 2, it is characterised in that described antistatic additive is 2 ~ 10 parts；
Preferably, described antistatic additive is 10 parts.
Polytetrafluoroethylproducts products the most according to claim 1 and 2, it is characterised in that described intrinsic conducting polymer is
Solid grain, particle diameter is 10 nm～10μM, including polythiophene, polypyrrole, Polyaniline and its derivative；Preferably, described
Polythiofuran derivative includes poly-3,4-ethylenedioxythiophene, and alkyl replaces poly-3,4-ethylenedioxythiophene, poly-alkoxyl
Thiophene, poly-alkylthrophene；Preferably, described Polypyrrole derivatives includes poly-alkyl pyrroles, N-methylpyrrole-pyrroles's copolymerization
Thing；Preferably, described polyaniline derivative includes poly-alkoxyl aniline, polyoxyethylene alkylphenyl amine, poly-halo aniline.
5. the preparation method of a polytetrafluoroethylproducts products, it is characterised in that take politef powder 100 parts and put into container
In, it being slowly added to antistatic additive dispersion liquid 1～20 parts, mix homogeneously, then by the mixed liquor of mix homogeneously through drying, grinding
After mill processes, obtain the politef powder through antistatic modified process；Described antistatic additive is intrinsic conducting polymer material
Material or its composite antistatic agent formed with white carbon black, graphite, the metal dust of conduction, intrinsic conducting polymer is compound anti-quiet
In electricity agent, shared weight ratio is more than 1%；Described antistatic additive dispersion liquid is to be disperseed by composite antistatic agent intrinsic conducting polymer
Water or organic solvent are formed.
The preparation method of polytetrafluoroethylproducts products the most according to claim 5, it is characterised in that described intrinsic conduction gathers
Compound is solid grain, and particle diameter is 10 nm～10μM, including polythiophene, polypyrrole, Polyaniline and its derivative；Preferably,
Described polythiofuran derivative includes poly-3,4-ethylenedioxythiophene, and alkyl replaces poly-3, and 4-ethylenedioxythiophene is poly-
Alkoxy thiophene, poly-alkylthrophene；Preferably, described Polypyrrole derivatives includes poly-alkyl pyrroles, N-methylpyrrole-pyrroles
Copolymer；Preferably, described polyaniline derivative includes poly-alkoxyl aniline, polyoxyethylene alkylphenyl amine, poly-halo aniline.
7. according to the preparation method of the polytetrafluoroethylproducts products described in claim 5 or 6, it is characterised in that described is organic molten
Agent be particle diameter be alcohol, ether, chloroform or oxolane.
8. according to the preparation method of the polytetrafluoroethylproducts products described in claim 5 or 6, it is characterised in that described mixing
Cheng Zhong, auxiliary high speed shear, atomization or ultrasonic form improve the blended effect of politef powder and antistatic additive.
The preparation method of polytetrafluoroethylproducts products the most according to claim 8, it is characterised in that described high speed shear is
Refer to, first carry out shearing 10 ~ 30min for the first time with the rotating speed of 500 ~ 2000rpm；Then carry out with the rotating speed of 5000 ~ 10000rpm
Second time shears 10～30min.
The preparation method of polytetrafluoroethylproducts products the most according to claim 9, it is characterised in that described first time shears
Rotating speed be 1000rpm, the time is 20min；The rotating speed that second time is sheared is 7000rpm, and the time is 20min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610773414.7A CN106243591A (en) | 2016-08-31 | 2016-08-31 | A kind of polytetrafluoroethylproducts products and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109054260A (en) * | 2018-06-07 | 2018-12-21 | 太仓萃励新能源科技有限公司 | A kind of antistatic material contracting with heat |
| US20210301089A1 (en) * | 2018-08-01 | 2021-09-30 | Taiyo Nippon Sanso Corporation | Production method for composite resin particles, and composite resin particles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054260A (en) * | 2018-06-07 | 2018-12-21 | 太仓萃励新能源科技有限公司 | A kind of antistatic material contracting with heat |
| US20210301089A1 (en) * | 2018-08-01 | 2021-09-30 | Taiyo Nippon Sanso Corporation | Production method for composite resin particles, and composite resin particles |
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Application publication date: 20161221 |