CN103724800A - Preparation method for conductive polypropylene composite material - Google Patents
Preparation method for conductive polypropylene composite material Download PDFInfo
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- CN103724800A CN103724800A CN201310667511.4A CN201310667511A CN103724800A CN 103724800 A CN103724800 A CN 103724800A CN 201310667511 A CN201310667511 A CN 201310667511A CN 103724800 A CN103724800 A CN 103724800A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- 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
-
- 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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method for a conductive polypropylene composite material, which comprises the steps as follows: weighed polypropylene, carbon fiber, antimony trioxide, strontia, a coupling agent and a toughener are added into a high-speed agitator for agitating for 3-5 minutes at the temperature of 100 DEG C, and the agitation rotation speed of 1,000 revolutions/minute; weighed conductive carbon black is added into the high-speed agitator for agitating continuously for 1-3 minutes at the temperature of 110 DEG C and the agitation rotation speed of 1,200 revolutions/minute; the agitated materials are extruded out through a double-screw extruder; the processing temperatures of the double-screw extruder are as follows: a region I is at 180 DEG, a region II is at 190 DEGC, a region III is at 195 DEG C, a region IV is at 200 DEG C, a region V is at 215 DEG C, a region VI is at 225 DEG C, a region VII is at 235 DEG C and a region VIII is at 240 DEG C, and the rotation speed of the main engine is 320 revolutions/min; the conductive polypropylene composite material is prepared via cooling strip traction and airing dicing. The conductive polypropylene composite material prepared through the preparation method is not only lower in the resistivity, but also excellent in comprehensive performance.
Description
Technical field
The present invention relates to plastics field, particularly, the present invention relates to a kind of preparation method of conductive polypropylene composite material.
Background technology
Research about conducing composite material is too numerous to enumerate, but still exists many problems not to be settled properly.As, when adding conducting medium raising electroconductibility, mechanical properties decrease, therefore the development of conducing composite material mainly concentrates on and reduces resistivity and two aspects of over-all properties that improve material.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of conductive polypropylene composite material.Conductive polypropylene composite material prepared by the present invention not only has lower resistivity, and high comprehensive performance.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of preparation method of conductive polypropylene composite material, comprises the steps:
(1) take the raw material of following weight part: the polypropylene of 50-70 part, the graphitized carbon black of 5-20 part, 2-10 part carbon fiber, 8-15 part antimonous oxide, 8-15 part strontium oxide, 2-8 part coupling agent, 10-15 part toughner;
(2) described polypropylene, carbon fiber, antimonous oxide, strontium oxide, coupling agent, the toughner described step (1) being taken joins in homogenizer and stirs 3-5 minute, and whipping temp is 100 ℃, and mixing speed is 1000 revs/min; The graphitized carbon black more described step (1) being taken joins in described homogenizer and continues to stir 1-3 minute, and whipping temp is 110 ℃, and mixing speed is 1200 revs/min;
(3) by the material stirring in described step (2) by extruding in twin screw extruder; The processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 190 ℃, three district's temperature are 195 ℃, four district's temperature are 200 ℃, and five district's temperature are 215 ℃, and six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 turn/min; After extruding, cooling check rod, air-dry pelletizing, prepare conductive polypropylene composite material of the present invention.
Further, in embodiment, described toughner is ethylene-octene copolymer.
Further, in embodiment, described coupling agent is titanate coupling agent.
In further embodiment, the chopped carbon fiber that described carbon fiber is long 1-3mm.
Compared with prior art, tool has the following advantages in the present invention: the conductive polypropylene composite material that the present invention prepares not only has lower resistivity, and high comprehensive performance.
Embodiment
In order to understand better content of the present invention, below in conjunction with specific embodiment, be described further.Should be understood that these embodiment, only for the present invention is further described, limit the scope of the invention and be not used in.In addition should be understood that and reading after content of the present invention, person skilled in art makes some nonessential change or adjustment to the present invention, still belongs to protection scope of the present invention.
Embodiment 1
(1) take following raw material: the polypropylene of 70 weight parts, the graphitized carbon black of 5 weight parts, 2 weight part carbon fibers, 8 weight part antimonous oxides, 8 weight part strontium oxides, 4 weight part titanate coupling agents, 10 parts by weight of ethylene-octene copolymer.Wherein said carbon fiber is the chopped carbon fiber of long 1mm.
(2) by the polypropylene of above-mentioned described 70 weight parts that take, 2 weight part carbon fibers, 8 weight part antimonous oxides, 8 weight part strontium oxides, 4 weight part titanate coupling agents, 10 parts by weight of ethylene-octene copolymer joins in homogenizer and stirs 5 minutes, and whipping temp is 100 ℃, and mixing speed is 1000 revs/min; The above-mentioned graphitized carbon black that takes 5 weight parts is joined in described homogenizer again and continue to stir 3 minutes, whipping temp is 110 ℃,
Mixing speed is 1200 revs/min;
(3) by the material stirring in described step (2) by extruding in twin screw extruder; The processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 190 ℃, three district's temperature are 195 ℃, four district's temperature are 200 ℃, and five district's temperature are 215 ℃, and six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 turn/min; After extruding, cooling check rod, air-dry pelletizing, prepare conductive polypropylene composite material of the present invention.
Comparative example 1
According to the mode identical with embodiment 1, prepare polypropylene composite material, difference is to use antimonous oxide.
Comparative example 2
According to the mode identical with embodiment 1, prepare polypropylene composite material, difference is not use strontium oxide.
Surface resistivity is tested by IEC60093 requirement, impact property is tested by ISO180-93 requirement, tensile property by ISO527-93 requirement test, condition is 50mm/min, bending property control ISO178-93 requires to test, condition is 2mm/min, result is as follows:
As can be seen here, add antimonous oxide and strontium oxide to produce synergy unexpectedly.
As mentioned above, just can realize preferably the present invention.
Claims (4)
1. a preparation method for conductive polypropylene composite material, is characterized in that, comprises the steps:
(1) take the raw material of following weight part: the polypropylene of 50-70 part, the graphitized carbon black of 5-20 part, 2-10 part carbon fiber, 8-15 part antimonous oxide, 8-15 part strontium oxide, 2-8 part coupling agent, 10-15 part toughner;
(2) described polypropylene, carbon fiber, antimonous oxide, strontium oxide, coupling agent, the toughner described step (1) being taken joins in homogenizer and stirs 3-5 minute, and whipping temp is 100 ℃, and mixing speed is 1000 revs/min; The graphitized carbon black more described step (1) being taken joins in described homogenizer and continues to stir 1-3 minute, and whipping temp is 110 ℃, and mixing speed is 1200 revs/min;
(3) by the material stirring in described step (2) by extruding in twin screw extruder; The processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 190 ℃, three district's temperature are 195 ℃, four district's temperature are 200 ℃, and five district's temperature are 215 ℃, and six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 turn/min; After extruding, cooling check rod, air-dry pelletizing, prepare conductive polypropylene composite material of the present invention.
2. the preparation method of a kind of conductive polypropylene composite material according to claim 1, is characterized in that, described toughner is ethylene-octene copolymer.
3. the preparation method of a kind of conductive polypropylene composite material according to claim 1, is characterized in that, described coupling agent is titanate coupling agent.
4. the preparation method of a kind of conductive polypropylene composite material according to claim 1, is characterized in that, the chopped carbon fiber that described carbon fiber is long 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667511.4A CN103724800A (en) | 2013-12-10 | 2013-12-10 | Preparation method for conductive polypropylene composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667511.4A CN103724800A (en) | 2013-12-10 | 2013-12-10 | Preparation method for conductive polypropylene composite material |
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| Publication Number | Publication Date |
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| CN103724800A true CN103724800A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310667511.4A Pending CN103724800A (en) | 2013-12-10 | 2013-12-10 | Preparation method for conductive polypropylene composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107778659A (en) * | 2017-11-15 | 2018-03-09 | 苏州博云塑业有限公司 | One kind possesses thermoplastic conducting polypropylene |
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| US3963798A (en) * | 1970-11-30 | 1976-06-15 | The Dow Chemical Company | Thixotropic, radiation curable compositions |
| EP1542249A2 (en) * | 2003-12-12 | 2005-06-15 | Samsung SDI Co., Ltd. | Dye-sensitized solar cell and fabrication method thereof |
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| CN101580620A (en) * | 2009-06-17 | 2009-11-18 | 湖北大学 | Conductive polymer nanometer composite material and preparation method thereof |
| CN102276955A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Antistatic glass fiber reinforcement ABS (acrylonitrile butadiene styrene) composite material |
| CN103068761A (en) * | 2010-08-17 | 2013-04-24 | 日本电气硝子株式会社 | Glass for use in forming electrodes, and electrode-forming material using same |
| CN103073789A (en) * | 2012-12-24 | 2013-05-01 | 安徽科聚新材料有限公司 | Modified PP (polypropylene) material with long carbon fiber and reinforced conductivity and preparation method thereof |
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-
2013
- 2013-12-10 CN CN201310667511.4A patent/CN103724800A/en active Pending
Patent Citations (9)
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| EP1542249A2 (en) * | 2003-12-12 | 2005-06-15 | Samsung SDI Co., Ltd. | Dye-sensitized solar cell and fabrication method thereof |
| CN101220183A (en) * | 2007-12-26 | 2008-07-16 | 深圳市科聚新材料有限公司 | Environment-protection flame-proof electrostatic resistance polypropylene material and method for producing the same |
| CN101580620A (en) * | 2009-06-17 | 2009-11-18 | 湖北大学 | Conductive polymer nanometer composite material and preparation method thereof |
| CN103068761A (en) * | 2010-08-17 | 2013-04-24 | 日本电气硝子株式会社 | Glass for use in forming electrodes, and electrode-forming material using same |
| CN102276955A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Antistatic glass fiber reinforcement ABS (acrylonitrile butadiene styrene) composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107778659A (en) * | 2017-11-15 | 2018-03-09 | 苏州博云塑业有限公司 | One kind possesses thermoplastic conducting polypropylene |
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Application publication date: 20140416 |